remove watch from service_mgr

prerelease v0.6.0

HISTORY.md

@@ -1,3 +1,42 @@
+v0.6.0 (2014-8-18)
+-----------
+* add sharedata
+* bugfix: service exit before init would not report back
+* add skynet.response and check multicall skynet.ret
+* skynet.newservice throw error when lanuch faild
+* Don't check imported function in snax.hotfix
+* snax service add change SERVICE_PATH and add it to package.path
+* skynet.redirect support string address
+* bugfix: skynet.harbor.link may block
+* add skynet.harbor.queryname to query globalname
+* add cluster.proxy 
+* add DEBUG command exit (send a message to lua service by DEBUG)
+* add DEBUG command run (debug_console command inject)
+* bugfix : socketchannel connect once
+* bugfix : mongo driver
+
+v0.5.2 (2014-8-11)
+-----------
+* Bugfix : httpd request
+* Bugifx : http chunked mode
+* Add : httpc
+* timer support more than 497 days
+
+v0.5.1 (2014-8-4)
+-----------
+* Bugfix : http module
+* Bugfix : multicast local channel delete
+* Bugfix : socket.read(fd)
+
+v0.5.0 (2014-7-28)
+-----------
+* skynet.exit will quit service immediately.
+* Add snax.gateserver, snax.loginserver, snax.msgserver
+* Simplify clientsocket lib
+* mongo driver support replica set
+* config file support read from ENV
+* add simple httpd (see examples/simpleweb.lua)
+
 v0.4.2 (2014-7-14)
 -----------
 * Bugfix : invalid negative socket id 

Makefile

@@ -43,7 +43,7 @@ jemalloc : $(MALLOC_STATICLIB)
 CSERVICE = snlua logger gate harbor
 LUA_CLIB = skynet socketdriver int64 bson mongo md5 netpack \
   cjson clientsocket memory profile multicast \
-  cluster
+  cluster crypt sharedata stm
 
 SKYNET_SRC = skynet_main.c skynet_handle.c skynet_module.c skynet_mq.c \
   skynet_server.c skynet_start.c skynet_timer.c skynet_error.c \
@@ -110,6 +110,15 @@ $(LUA_CLIB_PATH)/multicast.so : lualib-src/lua-multicast.c | $(LUA_CLIB_PATH)
 $(LUA_CLIB_PATH)/cluster.so : lualib-src/lua-cluster.c | $(LUA_CLIB_PATH)
 	$(CC) $(CFLAGS) $(SHARED) -Iskynet-src $^ -o $@ 
 
+$(LUA_CLIB_PATH)/crypt.so : lualib-src/lua-crypt.c | $(LUA_CLIB_PATH)
+	$(CC) $(CFLAGS) $(SHARED) $^ -o $@ 
+
+$(LUA_CLIB_PATH)/sharedata.so : lualib-src/lua-sharedata.c | $(LUA_CLIB_PATH)
+	$(CC) $(CFLAGS) $(SHARED) $^ -o $@ 
+
+$(LUA_CLIB_PATH)/stm.so : lualib-src/lua-stm.c | $(LUA_CLIB_PATH)
+	$(CC) $(CFLAGS) $(SHARED) -Iskynet-src $^ -o $@ 
+
 clean :
 	rm -f $(SKYNET_BUILD_PATH)/skynet $(CSERVICE_PATH)/*.so $(LUA_CLIB_PATH)/*.so
 

README.md

@@ -34,8 +34,6 @@ Each lua file only load once and cache it in memory during skynet start . so if
 
 You can also use the offical lua version , edit the makefile by yourself .
 
-## Blog (in Chinese)
+## How To (in Chinese)
 
-* http://blog.codingnow.com/2012/09/the_design_of_skynet.html
-* http://blog.codingnow.com/2012/08/skynet.html
-* http://blog.codingnow.com/eo/skynet/
+* Read Wiki https://github.com/cloudwu/skynet/wiki

examples/client.lua

@@ -2,30 +2,46 @@ package.cpath = "luaclib/?.so"
 
 local socket = require "clientsocket"
 local cjson = require "cjson"
+local bit32 = require "bit32"
 
-local fd = socket.connect("127.0.0.1", 8888)
+local fd = assert(socket.connect("127.0.0.1", 8888))
 
-local last
-local result = {}
+local function send_package(fd, pack)
+	local size = #pack
+	local package = string.char(bit32.extract(size,8,8)) ..
+		string.char(bit32.extract(size,0,8))..
+		pack
 
-local function dispatch()
-	while true do
-		local status
-		status, last = socket.recv(fd, last, result)
-		if status == nil then
-			error "Server closed"
-		end
-		if not status then
-			break
-		end
-		for _, v in ipairs(result) do
-			local session,t,str = string.match(v, "(%d+)(.)(.*)")
-			assert(t == '-' or t == '+')
-			session = tonumber(session)
-			local result = cjson.decode(str)
-			print("Response:",session, result[1], result[2])
-		end
+	socket.send(fd, package)
+end
+
+local function unpack_package(text)
+	local size = #text
+	if size < 2 then
+		return nil, text
 	end
+	local s = text:byte(1) * 256 + text:byte(2)
+	if size < s+2 then
+		return nil, text
+	end
+
+	return text:sub(3,2+s), text:sub(3+s)
+end
+
+local function recv_package(last)
+	local result
+	result, last = unpack_package(last)
+	if result then
+		return result, last
+	end
+	local r = socket.recv(fd)
+	if not r then
+		return nil, last
+	end
+	if r == "" then
+		error "Server closed"
+	end
+	return unpack_package(last .. r)
 end
 
 local session = 0
@@ -33,12 +49,25 @@ local session = 0
 local function send_request(v)
 	session = session + 1
 	local str = string.format("%d+%s",session, cjson.encode(v))
-	socket.send(fd, str)
+	send_package(fd, str)
 	print("Request:", session)
 end
 
+local last = ""
+
 while true do
-	dispatch()
+	while true do
+		local v
+		v, last = recv_package(last)
+		if not v then
+			break
+		end
+		local session,t,str = string.match(v, "(%d+)(.)(.*)")
+		assert(t == '-' or t == '+')
+		session = tonumber(session)
+		local result = cjson.decode(str)
+		print("Response:",session, result[1], result[2])
+	end
 	local cmd = socket.readstdin()
 	if cmd then
 		local args = {}

examples/cluster1.lua

@@ -2,8 +2,9 @@ local skynet = require "skynet"
 local cluster = require "cluster"
 
 skynet.start(function()
-	skynet.newservice("simpledb")
-	print(skynet.call("SIMPLEDB", "lua", "SET", "a", "foobar"))
-	print(skynet.call("SIMPLEDB", "lua", "GET", "a"))
+	local sdb = skynet.newservice("simpledb")
+	skynet.name(".simpledb", sdb)
+	print(skynet.call(".simpledb", "lua", "SET", "a", "foobar"))
+	print(skynet.call(".simpledb", "lua", "GET", "a"))
 	cluster.open "db"
 end)

examples/cluster2.lua

@@ -2,5 +2,7 @@ local skynet = require "skynet"
 local cluster = require "cluster"
 
 skynet.start(function()
-	print(cluster.call("db", "SIMPLEDB", "GET", "a"))
+	local proxy = cluster.proxy("db", ".simpledb")
+	print(skynet.call(proxy, "lua", "GET", "a"))
+	print(cluster.call("db", ".simpledb", "GET", "a"))
 end)

examples/config.login

@@ -0,0 +1,8 @@
+thread = 8
+logger = nil
+harbor = 0
+start = "main"
+bootstrap = "snlua bootstrap"	-- The service for bootstrap
+luaservice = "./service/?.lua;./examples/login/?.lua"
+lualoader = "lualib/loader.lua"
+cpath = "./cservice/?.so"

examples/globallog.lua

@@ -4,5 +4,6 @@ skynet.start(function()
 	skynet.dispatch("lua", function(session, address, ...)
 		print("[GLOBALLOG]", skynet.address(address), ...)
 	end)
+	skynet.register ".log"
 	skynet.register "LOG"
 end)

examples/login/client.lua

@@ -0,0 +1,184 @@
+package.cpath = "luaclib/?.so"
+
+local socket = require "clientsocket"
+local crypt = require "crypt"
+local bit32 = require "bit32"
+
+local fd = assert(socket.connect("127.0.0.1", 8001))
+
+local function writeline(fd, text)
+	socket.send(fd, text .. "\n")
+end
+
+local function unpack_line(text)
+	local from = text:find("\n", 1, true)
+	if from then
+		return text:sub(1, from-1), text:sub(from+1)
+	end
+	return nil, text
+end
+
+local last = ""
+
+local function unpack_f(f)
+	local function try_recv(fd, last)
+		local result
+		result, last = f(last)
+		if result then
+			return result, last
+		end
+		local r = socket.recv(fd)
+		if not r then
+			return nil, last
+		end
+		if r == "" then
+			error "Server closed"
+		end
+		return f(last .. r)
+	end
+
+	return function()
+		while true do
+			local result
+			result, last = try_recv(fd, last)
+			if result then
+				return result
+			end
+			socket.usleep(100)
+		end
+	end
+end
+
+local readline = unpack_f(unpack_line)
+
+local challenge = crypt.base64decode(readline())
+
+local clientkey = crypt.randomkey()
+writeline(fd, crypt.base64encode(crypt.dhexchange(clientkey)))
+local secret = crypt.dhsecret(crypt.base64decode(readline()), clientkey)
+
+print("sceret is ", crypt.hexencode(secret))
+
+local hmac = crypt.hmac64(challenge, secret)
+writeline(fd, crypt.base64encode(hmac))
+
+local token = {
+	server = "sample",
+	user = "hello",
+	pass = "password",
+}
+
+local function encode_token(token)
+	return string.format("%s@%s:%s",
+		crypt.base64encode(token.user),
+		crypt.base64encode(token.server),
+		crypt.base64encode(token.pass))
+end
+
+local etoken = crypt.desencode(secret, encode_token(token))
+local b = crypt.base64encode(etoken)
+writeline(fd, crypt.base64encode(etoken))
+
+local result = readline()
+print(result)
+local code = tonumber(string.sub(result, 1, 3))
+assert(code == 200)
+socket.close(fd)
+
+local subid = crypt.base64decode(string.sub(result, 5))
+
+print("login ok, subid=", subid)
+
+----- connect to game server
+
+local function send_request(v, session)
+	local size = #v + 4
+	local package = string.char(bit32.extract(size,8,8))..
+		string.char(bit32.extract(size,0,8))..
+		v..
+		string.char(bit32.extract(session,24,8))..
+		string.char(bit32.extract(session,16,8))..
+		string.char(bit32.extract(session,8,8))..
+		string.char(bit32.extract(session,0,8))
+
+	socket.send(fd, package)
+	return v, session
+end
+
+local function recv_response(v)
+	local content = v:sub(1,-6)
+	local ok = v:sub(-5,-5):byte()
+	local session = 0
+	for i=-4,-1 do
+		local c = v:byte(i)
+		session = session + bit32.lshift(c,(-1-i) * 8)
+	end
+	return ok ~=0 , content, session
+end
+
+local function unpack_package(text)
+	local size = #text
+	if size < 2 then
+		return nil, text
+	end
+	local s = text:byte(1) * 256 + text:byte(2)
+	if size < s+2 then
+		return nil, text
+	end
+
+	return text:sub(3,2+s), text:sub(3+s)
+end
+
+local readpackage = unpack_f(unpack_package)
+
+local function send_package(fd, pack)
+	local size = #pack
+	local package = string.char(bit32.extract(size,8,8))..
+		string.char(bit32.extract(size,0,8))..
+		pack
+
+	socket.send(fd, package)
+end
+
+local text = "echo"
+local index = 1
+
+print("connect")
+local fd = assert(socket.connect("127.0.0.1", 8888))
+last = ""
+
+local handshake = string.format("%s@%s#%s:%d", crypt.base64encode(token.user), crypt.base64encode(token.server),crypt.base64encode(subid) , index)
+local hmac = crypt.hmac64(crypt.hashkey(handshake), secret)
+
+
+send_package(fd, handshake .. ":" .. crypt.base64encode(hmac))
+
+print(readpackage())
+print("===>",send_request(text,0))
+-- don't recv response
+-- print("<===",recv_response(readpackage()))
+
+print("disconnect")
+socket.close(fd)
+
+index = index + 1
+
+print("connect again")
+local fd = assert(socket.connect("127.0.0.1", 8888))
+last = ""
+
+local handshake = string.format("%s@%s#%s:%d", crypt.base64encode(token.user), crypt.base64encode(token.server),crypt.base64encode(subid) , index)
+local hmac = crypt.hmac64(crypt.hashkey(handshake), secret)
+
+send_package(fd, handshake .. ":" .. crypt.base64encode(hmac))
+
+print(readpackage())
+print("===>",send_request("fake",0))	-- request again (use last session 0, so the request message is fake)
+print("===>",send_request("again",1))	-- request again (use new session)
+print("<===",recv_response(readpackage()))
+print("<===",recv_response(readpackage()))
+
+
+print("disconnect")
+socket.close(fd)
+

examples/login/gated.lua

@@ -0,0 +1,88 @@
+local msgserver = require "snax.msgserver"
+local crypt = require "crypt"
+local skynet = require "skynet"
+
+local loginservice = tonumber(...)
+
+local server = {}
+local users = {}
+local username_map = {}
+local internal_id = 0
+
+-- login server disallow multi login, so login_handler never be reentry
+-- call by login server
+function server.login_handler(uid, secret)
+	if users[uid] then
+		error(string.format("%s is already login", uid))
+	end
+
+	internal_id = internal_id + 1
+	local username = msgserver.username(uid, internal_id, servername)
+
+	-- you can use a pool to alloc new agent
+	local agent = skynet.newservice "msgagent"
+	local u = {
+		username = username,
+		agent = agent,
+		uid = uid,
+		subid = internal_id,
+	}
+
+	-- trash subid (no used)
+	skynet.call(agent, "lua", "login", uid, internal_id, secret)
+
+	users[uid] = u
+	username_map[username] = u
+
+	msgserver.login(username, secret)
+
+	-- you should return unique subid
+	return internal_id
+end
+
+-- call by agent
+function server.logout_handler(uid, subid)
+	local u = users[uid]
+	if u then
+		local username = msgserver.username(uid, subid, servername)
+		assert(u.username == username)
+		msgserver.logout(u.username)
+		users[uid] = nil
+		username_map[u.username] = nil
+		skynet.call(loginservice, "lua", "logout",uid, subid)
+	end
+end
+
+-- call by login server
+function server.kick_handler(uid, subid)
+	local u = users[uid]
+	if u then
+		local username = msgserver.username(uid, subid, servername)
+		assert(u.username == username)
+		-- NOTICE: logout may call skynet.exit, so you should use pcall.
+		pcall(skynet.call, u.agent, "lua", "logout")
+	end
+end
+
+-- call by self (when socket disconnect)
+function server.disconnect_handler(username)
+	local u = username_map[username]
+	if u then
+		skynet.call(u.agent, "lua", "afk")
+	end
+end
+
+-- call by self (when recv a request from client)
+function server.request_handler(username, msg, sz)
+	local u = username_map[username]
+	return skynet.tostring(skynet.rawcall(u.agent, "client", msg, sz))
+end
+
+-- call by self (when gate open)
+function server.register_handler(name)
+	servername = name
+	skynet.call(loginservice, "lua", "register_gate", servername, skynet.self())
+end
+
+msgserver.start(server)
+

examples/login/logind.lua

@@ -0,0 +1,62 @@
+local login = require "snax.loginserver"
+local crypt = require "crypt"
+local skynet = require "skynet"
+
+local server = {
+	host = "127.0.0.1",
+	port = 8001,
+	multilogin = false,	-- disallow multilogin
+	name = "login_master",
+}
+
+local server_list = {}
+local user_online = {}
+local user_login = {}
+
+function server.auth_handler(token)
+	-- the token is base64(user)@base64(server):base64(password)
+	local user, server, password = token:match("([^@]+)@([^:]+):(.+)")
+	user = crypt.base64decode(user)
+	server = crypt.base64decode(server)
+	password = crypt.base64decode(password)
+	assert(password == "password")
+	return server, user
+end
+
+function server.login_handler(server, uid, secret)
+	print(string.format("%s@%s is login, secret is %s", uid, server, crypt.hexencode(secret)))
+	local gameserver = assert(server_list[server], "Unknown server")
+	-- only one can login, because disallow multilogin
+	local last = user_online[uid]
+	if last then
+		skynet.call(last.address, "lua", "kick", uid, last.subid)
+	end
+	if user_online[uid] then
+		error(string.format("user %s is already online", uid))
+	end
+
+	local subid = tostring(skynet.call(gameserver, "lua", "login", uid, secret))
+	user_online[uid] = { address = gameserver, subid = subid , server = server}
+	return subid
+end
+
+local CMD = {}
+
+function CMD.register_gate(server, address)
+	server_list[server] = address
+end
+
+function CMD.logout(uid, subid)
+	local u = user_online[uid]
+	if u then
+		print(string.format("%s@%s is logout", uid, u.server))
+		user_online[uid] = nil
+	end
+end
+
+function server.command_handler(command, source, ...)
+	local f = assert(CMD[command])
+	return f(source, ...)
+end
+
+login(server)

examples/login/main.lua

@@ -0,0 +1,12 @@
+local skynet = require "skynet"
+
+skynet.start(function()
+	local loginserver = skynet.newservice("logind")
+	local gate = skynet.newservice("gated", loginserver)
+
+	skynet.call(gate, "lua", "open" , {
+		port = 8888,
+		maxclient = 64,
+		servername = "sample",
+	})
+end)

examples/login/msgagent.lua

@@ -0,0 +1,53 @@
+local skynet = require "skynet"
+
+skynet.register_protocol {
+	name = "client",
+	id = skynet.PTYPE_CLIENT,
+	unpack = skynet.tostring,
+}
+
+local gate
+local userid, subid
+
+local CMD = {}
+
+function CMD.login(source, uid, sid, secret)
+	-- you may use secret to make a encrypted data stream
+	skynet.error(string.format("%s is login", uid))
+	gate = source
+	userid = uid
+	subid = sid
+	-- you may load user data from database
+end
+
+local function logout()
+	if gate then
+		skynet.call(gate, "lua", "logout", userid, subid)
+	end
+	skynet.exit()
+end
+
+function CMD.logout(source)
+	-- NOTICE: The logout MAY be reentry
+	skynet.error(string.format("%s is logout", userid))
+	logout()
+end
+
+function CMD.afk(source)
+	-- the connection is broken, but the user may back
+	skynet.error(string.format("AFK"))
+end
+
+skynet.start(function()
+	-- If you want to fork a work thread , you MUST do it in CMD.login
+	skynet.dispatch("lua", function(session, source, command, ...)
+		local f = assert(CMD[command])
+		skynet.ret(skynet.pack(f(source, ...)))
+	end)
+
+	skynet.dispatch("client", function(_,_, msg)
+		-- the simple ehco service
+		skynet.sleep(10)	-- sleep a while
+		skynet.ret(msg)
+	end)
+end)

examples/main.lua

@@ -11,6 +11,7 @@ skynet.start(function()
 	skynet.call(watchdog, "lua", "start", {
 		port = 8888,
 		maxclient = max_client,
+		nodelay = true,
 	})
 	print("Watchdog listen on ", 8888)
 

examples/share.lua

@@ -0,0 +1,72 @@
+local skynet = require "skynet"
+local sharedata = require "sharedata"
+
+local mode = ...
+
+if mode == "host" then
+
+skynet.start(function()
+	skynet.error("new foobar")
+	sharedata.new("foobar", { a=1, b= { "hello",  "world" } })
+
+	skynet.fork(function()
+		skynet.sleep(200)	-- sleep 2s
+		skynet.error("update foobar a = 2")
+		sharedata.update("foobar", { a =2 })
+		skynet.sleep(200)	-- sleep 2s
+		skynet.error("update foobar a = 3")
+		sharedata.update("foobar", { a = 3, b = { "change" } })
+		skynet.sleep(100)
+		skynet.error("delete foobar")
+		sharedata.delete "foobar"
+	end)
+end)
+
+else
+
+
+skynet.start(function()
+	skynet.newservice(SERVICE_NAME, "host")
+
+	local obj = sharedata.query "foobar"
+
+	local b = obj.b
+	skynet.error(string.format("a=%d", obj.a))
+
+	for k,v in ipairs(b) do
+		skynet.error(string.format("b[%d]=%s", k,v))
+	end
+
+	for i = 1, 5 do
+		skynet.sleep(100)
+		skynet.error("second " ..i)
+		for k,v in pairs(obj) do
+			skynet.error(string.format("%s = %s", k , tostring(v)))
+		end
+	end
+
+	local ok, err = pcall(function()
+		local tmp = { b[1], b[2] }	-- b is invalid , so pcall should failed
+	end)
+
+	if not ok then
+		skynet.error(err)
+	end
+
+	-- obj. b is not the same with local b
+	for k,v in ipairs(obj.b) do
+		skynet.error(string.format("b[%d] = %s", k , tostring(v)))
+	end
+
+	collectgarbage()
+	skynet.error("sleep")
+	skynet.sleep(100)
+	b = nil
+	collectgarbage()
+	skynet.error("sleep")
+	skynet.sleep(100)
+
+	skynet.exit()
+end)
+
+end

examples/simpledb.lua

@@ -16,7 +16,11 @@ end
 skynet.start(function()
 	skynet.dispatch("lua", function(session, address, cmd, ...)
 		local f = command[string.upper(cmd)]
-		skynet.ret(skynet.pack(f(...)))
+		if f then
+			skynet.ret(skynet.pack(f(...)))
+		else
+			error(string.format("Unknown command %s", tostring(cmd)))
+		end
 	end)
 	skynet.register "SIMPLEDB"
 end)

examples/simpleweb.lua

@@ -0,0 +1,79 @@
+local skynet = require "skynet"
+local socket = require "socket"
+local httpd = require "http.httpd"
+local sockethelper = require "http.sockethelper"
+local urllib = require "http.url"
+local table = table
+local string = string
+
+local mode = ...
+
+if mode == "agent" then
+
+local function response(id, ...)
+	local ok, err = httpd.write_response(sockethelper.writefunc(id), ...)
+	if not ok then
+		-- if err == sockethelper.socket_error , that means socket closed.
+		skynet.error(string.format("fd = %d, %s", id, err))
+	end
+end
+
+skynet.start(function()
+	skynet.dispatch("lua", function (_,_,id)
+		socket.start(id)
+		-- limit request body size to 8192 (you can pass nil to unlimit)
+		local code, url, method, header, body = httpd.read_request(sockethelper.readfunc(id), 8192)
+		if code then
+			if code ~= 200 then
+				response(id, code)
+			else
+				local tmp = {}
+				if header.host then
+					table.insert(tmp, string.format("host: %s", header.host))
+				end
+				local path, query = urllib.parse(url)
+				table.insert(tmp, string.format("path: %s", path))
+				if query then
+					local q = urllib.parse_query(query)
+					for k, v in pairs(q) do
+						table.insert(tmp, string.format("query: %s= %s", k,v))
+					end
+				end
+				table.insert(tmp, "-----header----")
+				for k,v in pairs(header) do
+					table.insert(tmp, string.format("%s = %s",k,v))
+				end
+				table.insert(tmp, "-----body----\n" .. body)
+				response(id, code, table.concat(tmp,"\n"))
+			end
+		else
+			if url == sockethelper.socket_error then
+				skynet.error("socket closed")
+			else
+				skynet.error(url)
+			end
+		end
+		socket.close(id)
+	end)
+end)
+
+else
+
+skynet.start(function()
+	local agent = {}
+	for i= 1, 20 do
+		agent[i] = skynet.newservice(SERVICE_NAME, "agent")
+	end
+	local balance = 1
+	local id = socket.listen("0.0.0.0", 8001)
+	socket.start(id , function(id, addr)
+		skynet.error(string.format("%s connected, pass it to agent :%08x", addr, agent[balance]))
+		skynet.send(agent[balance], "lua", id)
+		balance = balance + 1
+		if balance > #agent then
+			balance = 1
+		end
+	end)
+end)
+
+end

examples/watchdog.lua

@@ -33,7 +33,6 @@ function SOCKET.data(fd, msg)
 end
 
 function CMD.start(conf)
-	skynet.call(gate, "lua", "nodelay", true)
 	skynet.call(gate, "lua", "open" , conf)
 end
 

lualib-src/lua-bson.c

@@ -1083,7 +1083,7 @@ typeclosure(lua_State *L) {
 		"string",	// 5
 		"binary",	// 6
 		"objectid",	// 7
-		"timestamp",// 8
+		"timestamp",    // 8
 		"date",		// 9
 		"regex",	// 10
 		"minkey",	// 11
@@ -1180,7 +1180,6 @@ luaopen_bson(lua_State *L) {
 		{ "timestamp", ltimestamp  },
 		{ "regex", lregex },
 		{ "binary", lbinary },
-		{ "regex", lregex },
 		{ "objectid", lobjectid },
 		{ "decode", ldecode },
 		{ NULL,  NULL },

lualib-src/lua-clientsocket.c

@@ -75,47 +75,12 @@ lsend(lua_State *L) {
 	size_t sz = 0;
 	int fd = luaL_checkinteger(L,1);
 	const char * msg = luaL_checklstring(L, 2, &sz);
-	uint8_t tmp[sz + 2];
-	if (sz >= 0x10000) {
-		return luaL_error(L, "package too long %d (16bit limited)", (int)sz);
-	}
-	tmp[0] = (sz >> 8) & 0xff;
-	tmp[1] = sz & 0xff;
-	memcpy(tmp+2, msg, sz);
 
-	block_send(L, fd, (const char *)tmp, (int)sz+2);
+	block_send(L, fd, msg, (int)sz);
 
 	return 0;
 }
 
-
-static int
-unpack(lua_State *L, uint8_t *buffer, int sz, int n) {
-	int size = 0;
-	if (sz >= 2) {
-		size = buffer[0] << 8 | buffer[1];
-		if (size > sz - 2) {
-			goto _block;
-		}
-	} else {
-		goto _block;
-	}
-	++n;
-	lua_pushlstring(L, (const char *)buffer+2, size);
-	lua_rawseti(L, 3, n);
-	buffer += size + 2;
-	sz -= size + 2;
-	return unpack(L, buffer, sz, n);
-_block:
-	lua_pushboolean(L, n==0 ? 0:1);
-	if (sz == 0) {
-		lua_pushnil(L);
-	} else {
-		lua_pushlstring(L, (const char *)buffer, sz);
-	}
-	return 2;
-}
-
 /*
 	intger fd
 	string last
@@ -132,100 +97,26 @@ struct socket_buffer {
 };
 
 static int
-recv_socket(lua_State *L, char *tmp, struct socket_buffer *result) {
+lrecv(lua_State *L) {
 	int fd = luaL_checkinteger(L,1);
-	size_t sz = 0;
-	const char * last = lua_tolstring(L,2,&sz);
-	luaL_checktype(L, 3, LUA_TTABLE);
 
-	char * buffer;
-	int r = recv(fd, tmp, CACHE_SIZE, 0);
+	char buffer[CACHE_SIZE];
+	int r = recv(fd, buffer, CACHE_SIZE, 0);
 	if (r == 0) {
+		lua_pushliteral(L, "");
 		// close
-		return 0;
+		return 1;
 	}
 	if (r < 0) {
 		if (errno == EAGAIN || errno == EINTR) {
-			lua_pushboolean(L, 0);
-			lua_pushvalue(L, 2);
-			return 2;
+			return 0;
 		}
 		luaL_error(L, "socket error: %s", strerror(errno));
 	}
-	if (sz + r <= CACHE_SIZE) {
-		buffer = tmp;
-		memmove(buffer + sz, buffer, r);
-		memcpy(buffer, last, sz);
-	} else {
-		buffer = lua_newuserdata(L, r + sz);
-		memcpy(buffer, last, sz);
-		memcpy(buffer + sz, tmp, r);
-	}
-
-	int i;
-	int n = lua_rawlen(L, 3);
-	for (i=1;i<=n;i++) {
-		lua_pushnil(L);
-		lua_rawseti(L, 3, i);
-	}
-	result->buffer = buffer;
-	result->sz = r + sz;
-	return -1;
+	lua_pushlstring(L, buffer, r);
+	return 1;
 }
 
-static int
-lrecv(lua_State *L) {
-	struct socket_buffer sb;
-	char tmp[CACHE_SIZE];
-	int ret = recv_socket(L, tmp, &sb);
-	if (ret < 0) {
-		return unpack(L, sb.buffer, sb.sz, 0);
-	} else {
-		return ret;
-	}
-}
-
-static int
-unpack_line(lua_State *L, uint8_t *buffer, int sz, int n) {
-	if (sz == 0) 
-		goto _block;
-	if (buffer[0] == '\n') {
-		return unpack_line(L, buffer+1, sz-1, n);
-	}
-	int i;
-	for (i=1;i<sz;i++) {
-		if (buffer[i] == '\n') {
-			++n;
-			lua_pushlstring(L, (const char *)buffer, i);
-			lua_rawseti(L, 3, n);
-			buffer += i + 1;
-			sz -= i + 1;
-			return unpack_line(L, buffer, sz, n);
-		}
-	}
-_block:
-	lua_pushboolean(L, n==0 ? 0:1);
-	if (sz == 0) {
-		lua_pushnil(L);
-	} else {
-		lua_pushlstring(L, (const char *)buffer, sz);
-	}
-	return 2;
-}
-
-static int
-lreadline(lua_State *L) {
-	struct socket_buffer sb;
-	char tmp[CACHE_SIZE];
-	int ret = recv_socket(L, tmp, &sb);
-	if (ret < 0) {
-		return unpack_line(L, sb.buffer, sb.sz, 0);
-	} else {
-		return ret;
-	}
-}
-
-
 static int
 lusleep(lua_State *L) {
 	int n = luaL_checknumber(L, 1);
@@ -295,18 +186,6 @@ lreadstdin(lua_State *L) {
 	return 1;
 }
 
-static int
-lwriteline(lua_State *L) {
-	size_t sz = 0;
-	int fd = luaL_checkinteger(L,1);
-	const char * msg = luaL_checklstring(L, 2, &sz);
-	block_send(L, fd, msg, sz);
-	char nl[1] = { '\n' };
-	block_send(L, fd, nl, 1);
-	
-	return 0;
-}
-
 int
 luaopen_clientsocket(lua_State *L) {
 	luaL_checkversion(L);
@@ -316,8 +195,6 @@ luaopen_clientsocket(lua_State *L) {
 		{ "send", lsend },
 		{ "close", lclose },
 		{ "usleep", lusleep },
-		{ "readline", lreadline },
-		{ "writeline", lwriteline },
 		{ NULL, NULL },
 	};
 	luaL_newlib(L, l);

lualib-src/lua-cluster.c

@@ -203,7 +203,7 @@ lunpackresponse(lua_State *L) {
 }
 
 int
-luaopen_cluster_c(lua_State *L) {
+luaopen_cluster_core(lua_State *L) {
 	luaL_Reg l[] = {
 		{ "packrequest", lpackrequest },
 		{ "unpackrequest", lunpackrequest },

lualib-src/lua-crypt.c

@@ -0,0 +1,859 @@
+#include <lua.h>
+#include <lauxlib.h>
+
+#include <time.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define SMALL_CHUNK 256
+
+/* the eight DES S-boxes */
+
+uint32_t SB1[64] = {
+	0x01010400, 0x00000000, 0x00010000, 0x01010404,
+	0x01010004, 0x00010404, 0x00000004, 0x00010000,
+	0x00000400, 0x01010400, 0x01010404, 0x00000400,
+	0x01000404, 0x01010004, 0x01000000, 0x00000004,
+	0x00000404, 0x01000400, 0x01000400, 0x00010400,
+	0x00010400, 0x01010000, 0x01010000, 0x01000404,
+	0x00010004, 0x01000004, 0x01000004, 0x00010004,
+	0x00000000, 0x00000404, 0x00010404, 0x01000000,
+	0x00010000, 0x01010404, 0x00000004, 0x01010000,
+	0x01010400, 0x01000000, 0x01000000, 0x00000400,
+	0x01010004, 0x00010000, 0x00010400, 0x01000004,
+	0x00000400, 0x00000004, 0x01000404, 0x00010404,
+	0x01010404, 0x00010004, 0x01010000, 0x01000404,
+	0x01000004, 0x00000404, 0x00010404, 0x01010400,
+	0x00000404, 0x01000400, 0x01000400, 0x00000000,
+	0x00010004, 0x00010400, 0x00000000, 0x01010004
+};
+
+static uint32_t SB2[64] = {
+	0x80108020, 0x80008000, 0x00008000, 0x00108020,
+	0x00100000, 0x00000020, 0x80100020, 0x80008020,
+	0x80000020, 0x80108020, 0x80108000, 0x80000000,
+	0x80008000, 0x00100000, 0x00000020, 0x80100020,
+	0x00108000, 0x00100020, 0x80008020, 0x00000000,
+	0x80000000, 0x00008000, 0x00108020, 0x80100000,
+	0x00100020, 0x80000020, 0x00000000, 0x00108000,
+	0x00008020, 0x80108000, 0x80100000, 0x00008020,
+	0x00000000, 0x00108020, 0x80100020, 0x00100000,
+	0x80008020, 0x80100000, 0x80108000, 0x00008000,
+	0x80100000, 0x80008000, 0x00000020, 0x80108020,
+	0x00108020, 0x00000020, 0x00008000, 0x80000000,
+	0x00008020, 0x80108000, 0x00100000, 0x80000020,
+	0x00100020, 0x80008020, 0x80000020, 0x00100020,
+	0x00108000, 0x00000000, 0x80008000, 0x00008020,
+	0x80000000, 0x80100020, 0x80108020, 0x00108000
+};
+
+static uint32_t SB3[64] = {
+	0x00000208, 0x08020200, 0x00000000, 0x08020008,
+	0x08000200, 0x00000000, 0x00020208, 0x08000200,
+	0x00020008, 0x08000008, 0x08000008, 0x00020000,
+	0x08020208, 0x00020008, 0x08020000, 0x00000208,
+	0x08000000, 0x00000008, 0x08020200, 0x00000200,
+	0x00020200, 0x08020000, 0x08020008, 0x00020208,
+	0x08000208, 0x00020200, 0x00020000, 0x08000208,
+	0x00000008, 0x08020208, 0x00000200, 0x08000000,
+	0x08020200, 0x08000000, 0x00020008, 0x00000208,
+	0x00020000, 0x08020200, 0x08000200, 0x00000000,
+	0x00000200, 0x00020008, 0x08020208, 0x08000200,
+	0x08000008, 0x00000200, 0x00000000, 0x08020008,
+	0x08000208, 0x00020000, 0x08000000, 0x08020208,
+	0x00000008, 0x00020208, 0x00020200, 0x08000008,
+	0x08020000, 0x08000208, 0x00000208, 0x08020000,
+	0x00020208, 0x00000008, 0x08020008, 0x00020200
+};
+
+static uint32_t SB4[64] = {
+	0x00802001, 0x00002081, 0x00002081, 0x00000080,
+	0x00802080, 0x00800081, 0x00800001, 0x00002001,
+	0x00000000, 0x00802000, 0x00802000, 0x00802081,
+	0x00000081, 0x00000000, 0x00800080, 0x00800001,
+	0x00000001, 0x00002000, 0x00800000, 0x00802001,
+	0x00000080, 0x00800000, 0x00002001, 0x00002080,
+	0x00800081, 0x00000001, 0x00002080, 0x00800080,
+	0x00002000, 0x00802080, 0x00802081, 0x00000081,
+	0x00800080, 0x00800001, 0x00802000, 0x00802081,
+	0x00000081, 0x00000000, 0x00000000, 0x00802000,
+	0x00002080, 0x00800080, 0x00800081, 0x00000001,
+	0x00802001, 0x00002081, 0x00002081, 0x00000080,
+	0x00802081, 0x00000081, 0x00000001, 0x00002000,
+	0x00800001, 0x00002001, 0x00802080, 0x00800081,
+	0x00002001, 0x00002080, 0x00800000, 0x00802001,
+	0x00000080, 0x00800000, 0x00002000, 0x00802080
+};
+
+static uint32_t SB5[64] = {
+	0x00000100, 0x02080100, 0x02080000, 0x42000100,
+	0x00080000, 0x00000100, 0x40000000, 0x02080000,
+	0x40080100, 0x00080000, 0x02000100, 0x40080100,
+	0x42000100, 0x42080000, 0x00080100, 0x40000000,
+	0x02000000, 0x40080000, 0x40080000, 0x00000000,
+	0x40000100, 0x42080100, 0x42080100, 0x02000100,
+	0x42080000, 0x40000100, 0x00000000, 0x42000000,
+	0x02080100, 0x02000000, 0x42000000, 0x00080100,
+	0x00080000, 0x42000100, 0x00000100, 0x02000000,
+	0x40000000, 0x02080000, 0x42000100, 0x40080100,
+	0x02000100, 0x40000000, 0x42080000, 0x02080100,
+	0x40080100, 0x00000100, 0x02000000, 0x42080000,
+	0x42080100, 0x00080100, 0x42000000, 0x42080100,
+	0x02080000, 0x00000000, 0x40080000, 0x42000000,
+	0x00080100, 0x02000100, 0x40000100, 0x00080000,
+	0x00000000, 0x40080000, 0x02080100, 0x40000100
+};
+
+static uint32_t SB6[64] = {
+	0x20000010, 0x20400000, 0x00004000, 0x20404010,
+	0x20400000, 0x00000010, 0x20404010, 0x00400000,
+	0x20004000, 0x00404010, 0x00400000, 0x20000010,
+	0x00400010, 0x20004000, 0x20000000, 0x00004010,
+	0x00000000, 0x00400010, 0x20004010, 0x00004000,
+	0x00404000, 0x20004010, 0x00000010, 0x20400010,
+	0x20400010, 0x00000000, 0x00404010, 0x20404000,
+	0x00004010, 0x00404000, 0x20404000, 0x20000000,
+	0x20004000, 0x00000010, 0x20400010, 0x00404000,
+	0x20404010, 0x00400000, 0x00004010, 0x20000010,
+	0x00400000, 0x20004000, 0x20000000, 0x00004010,
+	0x20000010, 0x20404010, 0x00404000, 0x20400000,
+	0x00404010, 0x20404000, 0x00000000, 0x20400010,
+	0x00000010, 0x00004000, 0x20400000, 0x00404010,
+	0x00004000, 0x00400010, 0x20004010, 0x00000000,
+	0x20404000, 0x20000000, 0x00400010, 0x20004010
+};
+
+static uint32_t SB7[64] = {
+	0x00200000, 0x04200002, 0x04000802, 0x00000000,
+	0x00000800, 0x04000802, 0x00200802, 0x04200800,
+	0x04200802, 0x00200000, 0x00000000, 0x04000002,
+	0x00000002, 0x04000000, 0x04200002, 0x00000802,
+	0x04000800, 0x00200802, 0x00200002, 0x04000800,
+	0x04000002, 0x04200000, 0x04200800, 0x00200002,
+	0x04200000, 0x00000800, 0x00000802, 0x04200802,
+	0x00200800, 0x00000002, 0x04000000, 0x00200800,
+	0x04000000, 0x00200800, 0x00200000, 0x04000802,
+	0x04000802, 0x04200002, 0x04200002, 0x00000002,
+	0x00200002, 0x04000000, 0x04000800, 0x00200000,
+	0x04200800, 0x00000802, 0x00200802, 0x04200800,
+	0x00000802, 0x04000002, 0x04200802, 0x04200000,
+	0x00200800, 0x00000000, 0x00000002, 0x04200802,
+	0x00000000, 0x00200802, 0x04200000, 0x00000800,
+	0x04000002, 0x04000800, 0x00000800, 0x00200002
+};
+
+static uint32_t SB8[64] = {
+	0x10001040, 0x00001000, 0x00040000, 0x10041040,
+	0x10000000, 0x10001040, 0x00000040, 0x10000000,
+	0x00040040, 0x10040000, 0x10041040, 0x00041000,
+	0x10041000, 0x00041040, 0x00001000, 0x00000040,
+	0x10040000, 0x10000040, 0x10001000, 0x00001040,
+	0x00041000, 0x00040040, 0x10040040, 0x10041000,
+	0x00001040, 0x00000000, 0x00000000, 0x10040040,
+	0x10000040, 0x10001000, 0x00041040, 0x00040000,
+	0x00041040, 0x00040000, 0x10041000, 0x00001000,
+	0x00000040, 0x10040040, 0x00001000, 0x00041040,
+	0x10001000, 0x00000040, 0x10000040, 0x10040000,
+	0x10040040, 0x10000000, 0x00040000, 0x10001040,
+	0x00000000, 0x10041040, 0x00040040, 0x10000040,
+	0x10040000, 0x10001000, 0x10001040, 0x00000000,
+	0x10041040, 0x00041000, 0x00041000, 0x00001040,
+	0x00001040, 0x00040040, 0x10000000, 0x10041000
+};
+
+/* PC1: left and right halves bit-swap */
+
+static uint32_t LHs[16] = {
+	0x00000000, 0x00000001, 0x00000100, 0x00000101,
+	0x00010000, 0x00010001, 0x00010100, 0x00010101,
+	0x01000000, 0x01000001, 0x01000100, 0x01000101,
+	0x01010000, 0x01010001, 0x01010100, 0x01010101
+};
+
+static uint32_t RHs[16] = {
+	0x00000000, 0x01000000, 0x00010000, 0x01010000,
+	0x00000100, 0x01000100, 0x00010100, 0x01010100,
+	0x00000001, 0x01000001, 0x00010001, 0x01010001,
+	0x00000101, 0x01000101, 0x00010101, 0x01010101,
+};
+
+/* platform-independant 32-bit integer manipulation macros */
+
+#define GET_UINT32(n,b,i)					   \
+{											   \
+	(n) = ( (uint32_t) (b)[(i)	] << 24 )	   \
+		| ( (uint32_t) (b)[(i) + 1] << 16 )	   \
+		| ( (uint32_t) (b)[(i) + 2] <<  8 )	   \
+		| ( (uint32_t) (b)[(i) + 3]	   );	  \
+}
+
+#define PUT_UINT32(n,b,i)					   \
+{											   \
+	(b)[(i)	] = (uint8_t) ( (n) >> 24 );	   \
+	(b)[(i) + 1] = (uint8_t) ( (n) >> 16 );	   \
+	(b)[(i) + 2] = (uint8_t) ( (n) >>  8 );	   \
+	(b)[(i) + 3] = (uint8_t) ( (n)	   );	   \
+}
+
+/* Initial Permutation macro */
+
+#define DES_IP(X,Y)											 \
+{															   \
+	T = ((X >>  4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  4);   \
+	T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16);   \
+	T = ((Y >>  2) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  2);   \
+	T = ((Y >>  8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  8);   \
+	Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF;					\
+	T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T;				   \
+	X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF;					\
+}
+
+/* Final Permutation macro */
+
+#define DES_FP(X,Y)											 \
+{															   \
+	X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF;					\
+	T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T;				   \
+	Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF;					\
+	T = ((Y >>  8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T <<  8);   \
+	T = ((Y >>  2) ^ X) & 0x33333333; X ^= T; Y ^= (T <<  2);   \
+	T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16);   \
+	T = ((X >>  4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T <<  4);   \
+}
+
+/* DES round macro */
+
+#define DES_ROUND(X,Y)						  \
+{											   \
+	T = *SK++ ^ X;							  \
+	Y ^= SB8[ (T	  ) & 0x3F ] ^			  \
+		 SB6[ (T >>  8) & 0x3F ] ^			  \
+		 SB4[ (T >> 16) & 0x3F ] ^			  \
+		 SB2[ (T >> 24) & 0x3F ];			   \
+												\
+	T = *SK++ ^ ((X << 28) | (X >> 4));		 \
+	Y ^= SB7[ (T	  ) & 0x3F ] ^			  \
+		 SB5[ (T >>  8) & 0x3F ] ^			  \
+		 SB3[ (T >> 16) & 0x3F ] ^			  \
+		 SB1[ (T >> 24) & 0x3F ];			   \
+}
+
+/* DES key schedule */
+
+static void 
+des_main_ks( uint32_t SK[32], const uint8_t key[8] ) {
+	int i;
+	uint32_t X, Y, T;
+
+	GET_UINT32( X, key, 0 );
+	GET_UINT32( Y, key, 4 );
+
+	/* Permuted Choice 1 */
+
+	T =  ((Y >>  4) ^ X) & 0x0F0F0F0F;  X ^= T; Y ^= (T <<  4);
+	T =  ((Y	  ) ^ X) & 0x10101010;  X ^= T; Y ^= (T	  );
+
+	X =   (LHs[ (X	  ) & 0xF] << 3) | (LHs[ (X >>  8) & 0xF ] << 2)
+		| (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ]	 )
+		| (LHs[ (X >>  5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6)
+		| (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4);
+
+	Y =   (RHs[ (Y >>  1) & 0xF] << 3) | (RHs[ (Y >>  9) & 0xF ] << 2)
+		| (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ]	 )
+		| (RHs[ (Y >>  4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6)
+		| (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4);
+
+	X &= 0x0FFFFFFF;
+	Y &= 0x0FFFFFFF;
+
+	/* calculate subkeys */
+
+	for( i = 0; i < 16; i++ )
+	{
+		if( i < 2 || i == 8 || i == 15 )
+		{
+			X = ((X <<  1) | (X >> 27)) & 0x0FFFFFFF;
+			Y = ((Y <<  1) | (Y >> 27)) & 0x0FFFFFFF;
+		}
+		else
+		{
+			X = ((X <<  2) | (X >> 26)) & 0x0FFFFFFF;
+			Y = ((Y <<  2) | (Y >> 26)) & 0x0FFFFFFF;
+		}
+
+		*SK++ =   ((X <<  4) & 0x24000000) | ((X << 28) & 0x10000000)
+				| ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000)
+				| ((X <<  6) & 0x01000000) | ((X <<  9) & 0x00200000)
+				| ((X >>  1) & 0x00100000) | ((X << 10) & 0x00040000)
+				| ((X <<  2) & 0x00020000) | ((X >> 10) & 0x00010000)
+				| ((Y >> 13) & 0x00002000) | ((Y >>  4) & 0x00001000)
+				| ((Y <<  6) & 0x00000800) | ((Y >>  1) & 0x00000400)
+				| ((Y >> 14) & 0x00000200) | ((Y	  ) & 0x00000100)
+				| ((Y >>  5) & 0x00000020) | ((Y >> 10) & 0x00000010)
+				| ((Y >>  3) & 0x00000008) | ((Y >> 18) & 0x00000004)
+				| ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001);
+
+		*SK++ =   ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000)
+				| ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000)
+				| ((X >>  2) & 0x02000000) | ((X <<  1) & 0x01000000)
+				| ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000)
+				| ((X <<  3) & 0x00080000) | ((X >>  6) & 0x00040000)
+				| ((X << 15) & 0x00020000) | ((X >>  4) & 0x00010000)
+				| ((Y >>  2) & 0x00002000) | ((Y <<  8) & 0x00001000)
+				| ((Y >> 14) & 0x00000808) | ((Y >>  9) & 0x00000400)
+				| ((Y	  ) & 0x00000200) | ((Y <<  7) & 0x00000100)
+				| ((Y >>  7) & 0x00000020) | ((Y >>  3) & 0x00000011)
+				| ((Y <<  2) & 0x00000004) | ((Y >> 21) & 0x00000002);
+	}
+}
+
+/* DES 64-bit block encryption/decryption */
+
+static void 
+des_crypt( const uint32_t SK[32], const uint8_t input[8], uint8_t output[8] ) {
+	uint32_t X, Y, T;
+
+	GET_UINT32( X, input, 0 );
+	GET_UINT32( Y, input, 4 );
+
+	DES_IP( X, Y );
+
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+	DES_ROUND( Y, X );  DES_ROUND( X, Y );
+
+	DES_FP( Y, X );
+
+	PUT_UINT32( Y, output, 0 );
+	PUT_UINT32( X, output, 4 );
+}
+
+static int
+lrandomkey(lua_State *L) {
+	char tmp[8];
+	int i;
+	for (i=0;i<8;i++) {
+		tmp[i] = random() & 0xff;
+	}
+	lua_pushlstring(L, tmp, 8);
+	return 1;
+}
+
+static void
+des_key(lua_State *L, uint32_t SK[32]) {
+	size_t keysz = 0;
+	const void * key = luaL_checklstring(L, 1, &keysz);
+	if (keysz != 8) {
+		luaL_error(L, "Invalid key size %d, need 8 bytes", (int)keysz);
+	}
+	des_main_ks(SK, key);
+}
+
+static int
+ldesencode(lua_State *L) {
+	uint32_t SK[32];
+	des_key(L, SK);
+
+	size_t textsz = 0;
+	const uint8_t * text = (const uint8_t *)luaL_checklstring(L, 2, &textsz);
+	size_t chunksz = (textsz + 8) & ~7;
+	uint8_t tmp[SMALL_CHUNK];
+	uint8_t *buffer = tmp;
+	if (chunksz > SMALL_CHUNK) {
+		buffer = lua_newuserdata(L, chunksz);
+	}
+	int i;
+	for (i=0;i<(int)textsz-7;i+=8) {
+		des_crypt(SK, text+i, buffer+i);
+	}
+	int bytes = textsz - i;
+	uint8_t tail[8];
+	int j;
+	for (j=0;j<8;j++) {
+		if (j < bytes) {
+			tail[j] = text[i+j];
+		} else if (j==bytes) {
+			tail[j] = 0x80;
+		} else {
+			tail[j] = 0;
+		}
+	}
+	des_crypt(SK, tail, buffer+i);
+	lua_pushlstring(L, (const char *)buffer, chunksz);
+
+	return 1;
+}
+
+static int
+ldesdecode(lua_State *L) {
+	uint32_t ESK[32];
+	des_key(L, ESK);
+	uint32_t SK[32];
+	int i;
+	for( i = 0; i < 32; i += 2 ) {
+		SK[i] = ESK[30 - i];
+		SK[i + 1] = ESK[31 - i];
+	}
+	size_t textsz = 0;
+	const uint8_t *text = (const uint8_t *)luaL_checklstring(L, 2, &textsz);
+	if ((textsz & 7) || textsz == 0) {
+		return luaL_error(L, "Invalid des crypt text length %d", (int)textsz);
+	}
+	uint8_t tmp[SMALL_CHUNK];
+	uint8_t *buffer = tmp;
+	if (textsz > SMALL_CHUNK) {
+		buffer = lua_newuserdata(L, textsz);
+	}
+	for (i=0;i<textsz;i+=8) {
+		des_crypt(SK, text+i, buffer+i);
+	}
+	int padding = 1;
+	for (i=textsz-1;i>=textsz-8;i--) {
+		if (buffer[i] == 0) {
+			padding++;
+		} else if (buffer[i] == 0x80) {
+			break;
+		} else {
+			return luaL_error(L, "Invalid des crypt text");
+		}
+	}
+	if (padding > 8) {
+		return luaL_error(L, "Invalid des crypt text");
+	}
+	lua_pushlstring(L, (const char *)buffer, textsz - padding);
+	return 1;
+}
+
+
+static void
+Hash(const char * str, int sz, uint8_t key[8]) {
+	uint32_t djb_hash = 5381L;
+	uint32_t js_hash = 1315423911L;
+
+	int i;
+	for (i=0;i<sz;i++) {
+		uint8_t c = (uint8_t)str[i];
+		djb_hash += (djb_hash << 5) + c;
+		js_hash ^= ((js_hash << 5) + c + (js_hash >> 2));
+	}
+
+	key[0] = djb_hash & 0xff;
+	key[1] = (djb_hash >> 8) & 0xff;
+	key[2] = (djb_hash >> 16) & 0xff;
+	key[3] = (djb_hash >> 24) & 0xff;
+
+	key[4] = js_hash & 0xff;
+	key[5] = (js_hash >> 8) & 0xff;
+	key[6] = (js_hash >> 16) & 0xff;
+	key[7] = (js_hash >> 24) & 0xff;
+}
+
+static int
+lhashkey(lua_State *L) {
+	size_t sz = 0;
+	const char * key = luaL_checklstring(L, 1, &sz);
+	uint8_t realkey[8];
+	Hash(key,(int)sz,realkey);
+	lua_pushlstring(L, (const char *)realkey, 8);
+	return 1;
+}
+
+static int
+ltohex(lua_State *L) {
+	static char hex[] = "0123456789abcdef";
+	size_t sz = 0;
+	const uint8_t * text = (const uint8_t *)luaL_checklstring(L, 1, &sz);
+	char tmp[SMALL_CHUNK];
+	char *buffer = tmp;
+	if (sz > SMALL_CHUNK/2) {
+		buffer = lua_newuserdata(L, sz * 2);
+	}
+	int i;
+	for (i=0;i<sz;i++) {
+		buffer[i*2] = hex[text[i] >> 4];
+		buffer[i*2+1] = hex[text[i] & 0xf];
+	}
+	lua_pushlstring(L, buffer, sz * 2);
+	return 1;
+}
+
+#define HEX(v,c) { char tmp = (char) c; if (tmp >= '0' && tmp <= '9') { v = tmp-'0'; } else { v = tmp - 'a' + 10; } }
+
+static int
+lfromhex(lua_State *L) {
+	size_t sz = 0;
+	const char * text = luaL_checklstring(L, 1, &sz);
+	if (sz & 2) {
+		return luaL_error(L, "Invalid hex text size %d", (int)sz);
+	}
+	char tmp[SMALL_CHUNK];
+	char *buffer = tmp;
+	if (sz > SMALL_CHUNK*2) {
+		buffer = lua_newuserdata(L, sz / 2);
+	}
+	int i;
+	for (i=0;i<sz;i+=2) {
+		uint8_t hi,low;
+		HEX(hi, text[i]);
+		HEX(low, text[i+1]);
+		if (hi > 16 || low > 16) {
+			return luaL_error(L, "Invalid hex text", text);
+		}
+		buffer[i/2] = hi<<4 | low;
+	}
+	lua_pushlstring(L, buffer, i/2);
+	return 1;
+}
+
+// Constants are the integer part of the sines of integers (in radians) * 2^32.
+const uint32_t k[64] = {
+0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee ,
+0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501 ,
+0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be ,
+0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821 ,
+0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa ,
+0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8 ,
+0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed ,
+0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a ,
+0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c ,
+0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70 ,
+0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05 ,
+0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665 ,
+0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039 ,
+0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1 ,
+0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1 ,
+0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391 };
+ 
+// r specifies the per-round shift amounts
+const uint32_t r[] = {7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22, 7, 12, 17, 22,
+					  5,  9, 14, 20, 5,  9, 14, 20, 5,  9, 14, 20, 5,  9, 14, 20,
+					  4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23, 4, 11, 16, 23,
+					  6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21, 6, 10, 15, 21};
+ 
+// leftrotate function definition
+#define LEFTROTATE(x, c) (((x) << (c)) | ((x) >> (32 - (c))))
+ 
+static void
+hmac(uint32_t x[2], uint32_t y[2], uint32_t result[2]) {
+	uint32_t w[16];
+	uint32_t a, b, c, d, f, g, temp;
+	int i;
+ 
+	a = 0x67452301u;
+	b = 0xefcdab89u;
+	c = 0x98badcfeu;
+	d = 0x10325476u;
+
+	for (i=0;i<16;i+=4) {
+		w[i] = x[1];
+		w[i+1] = x[0];
+		w[i+2] = y[1];
+		w[i+3] = y[0];
+	}
+
+	for(i = 0; i<64; i++) {
+		if (i < 16) {
+			f = (b & c) | ((~b) & d);
+			g = i;
+		} else if (i < 32) {
+			f = (d & b) | ((~d) & c);
+			g = (5*i + 1) % 16;
+		} else if (i < 48) {
+			f = b ^ c ^ d;
+			g = (3*i + 5) % 16; 
+		} else {
+			f = c ^ (b | (~d));
+			g = (7*i) % 16;
+		}
+
+		temp = d;
+		d = c;
+		c = b;
+		b = b + LEFTROTATE((a + f + k[i] + w[g]), r[i]);
+		a = temp;
+
+	}
+
+	result[0] = c^d;
+	result[1] = a^b;
+}
+
+static void
+read64(lua_State *L, uint32_t xx[2], uint32_t yy[2]) {
+	size_t sz = 0;
+	const uint8_t *x = (const uint8_t *)luaL_checklstring(L, 1, &sz);
+	if (sz != 8) {
+		luaL_error(L, "Invalid hmac x");
+	}
+	const uint8_t *y = (const uint8_t *)luaL_checklstring(L, 2, &sz);
+	if (sz != 8) {
+		luaL_error(L, "Invalid hmac y");
+	}
+	xx[0] = x[0] | x[1]<<8 | x[2]<<16 | x[3]<<24;
+	xx[1] = x[4] | x[5]<<8 | x[6]<<16 | x[7]<<24;
+	yy[0] = y[0] | y[1]<<8 | y[2]<<16 | y[3]<<24;
+	yy[1] = y[4] | y[5]<<8 | y[6]<<16 | y[7]<<24;
+}
+
+static int
+lhmac64(lua_State *L) {
+	uint32_t x[2], y[2];
+	read64(L, x, y);
+	uint32_t result[2];
+	hmac(x,y,result);
+	uint8_t tmp[8];
+	tmp[0] = result[0] & 0xff;
+	tmp[1] = (result[0] >> 8 )& 0xff;
+	tmp[2] = (result[0] >> 16 )& 0xff;
+	tmp[3] = (result[0] >> 24 )& 0xff;
+	tmp[4] = result[1] & 0xff;
+	tmp[5] = (result[1] >> 8 )& 0xff;
+	tmp[6] = (result[1] >> 16 )& 0xff;
+	tmp[7] = (result[1] >> 24 )& 0xff;
+
+	lua_pushlstring(L, (const char *)tmp, 8);
+	return 1;
+}
+
+// powmodp64 for DH-key exchange
+
+// The biggest 64bit prime
+#define P 0xffffffffffffffc5ull
+
+static inline uint64_t
+mul_mod_p(uint64_t a, uint64_t b) {
+	uint64_t m = 0;
+	while(b) {
+		if(b&1) {
+			uint64_t t = P-a;
+			if ( m >= t) {
+				m -= t;
+			} else {
+				m += a;
+			}
+		}
+		if (a >= P - a) {
+			a = a * 2 - P;
+		} else {
+			a = a * 2;
+		}
+		b>>=1;
+	}
+	return m;
+}
+
+static inline uint64_t
+pow_mod_p(uint64_t a, uint64_t b) {
+	if (b==1) {
+		return a;
+	}
+	uint64_t t = pow_mod_p(a, b>>1);
+	t = mul_mod_p(t,t);
+	if (b % 2) {
+		t = mul_mod_p(t, a);
+	}
+	return t;
+}
+
+// calc a^b % p
+static uint64_t
+powmodp(uint64_t a, uint64_t b) {
+	if (a > P)
+		a%=P;
+	return pow_mod_p(a,b);
+}
+
+static void
+push64(lua_State *L, uint64_t r) {
+	uint8_t tmp[8];
+	tmp[0] = r & 0xff;
+	tmp[1] = (r >> 8 )& 0xff;
+	tmp[2] = (r >> 16 )& 0xff;
+	tmp[3] = (r >> 24 )& 0xff;
+	tmp[4] = (r >> 32 )& 0xff;
+	tmp[5] = (r >> 40 )& 0xff;
+	tmp[6] = (r >> 48 )& 0xff;
+	tmp[7] = (r >> 56 )& 0xff;
+
+	lua_pushlstring(L, (const char *)tmp, 8);
+}
+
+static int
+ldhsecret(lua_State *L) {
+	uint32_t x[2], y[2];
+	read64(L, x, y);
+	uint64_t r = powmodp((uint64_t)x[0] | (uint64_t)x[1]<<32,
+		(uint64_t)y[0] | (uint64_t)y[1]<<32);
+
+	push64(L, r);
+
+	return 1;
+}
+
+#define G 5
+
+static int
+ldhexchange(lua_State *L) {
+	size_t sz = 0;
+	const uint8_t *x = (const uint8_t *)luaL_checklstring(L, 1, &sz);
+	if (sz != 8) {
+		luaL_error(L, "Invalid hmac x");
+	}
+	uint32_t xx[2];
+	xx[0] = x[0] | x[1]<<8 | x[2]<<16 | x[3]<<24;
+	xx[1] = x[4] | x[5]<<8 | x[6]<<16 | x[7]<<24;
+
+	uint64_t r = powmodp(5,	(uint64_t)xx[0] | (uint64_t)xx[1]<<32);
+	push64(L, r);
+	return 1;
+}
+
+// base64
+
+static int
+lb64encode(lua_State *L) {
+	static const char* encoding = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+	size_t sz = 0;
+	const uint8_t * text = (const uint8_t *)luaL_checklstring(L, 1, &sz);
+	int encode_sz = (sz + 2)/3*4;
+	char tmp[SMALL_CHUNK];
+	char *buffer = tmp;
+	if (encode_sz > SMALL_CHUNK) {
+		buffer = lua_newuserdata(L, encode_sz);
+	}
+	int i,j;
+	j=0;
+	for (i=0;i<(int)sz-2;i+=3) {
+		uint32_t v = text[i] << 16 | text[i+1] << 8 | text[i+2];
+		buffer[j] = encoding[v >> 18];
+		buffer[j+1] = encoding[(v >> 12) & 0x3f];
+		buffer[j+2] = encoding[(v >> 6) & 0x3f];
+		buffer[j+3] = encoding[(v) & 0x3f];
+		j+=4;
+	}
+	int padding = sz-i;
+	uint32_t v;
+	switch(padding) {
+	case 1 :
+		v = text[i];
+		buffer[j] = encoding[v >> 2];
+		buffer[j+1] = encoding[(v & 3) << 4];
+		buffer[j+2] = '=';
+		buffer[j+3] = '=';
+		break;
+	case 2 :
+		v = text[i] << 8 | text[i+1];
+		buffer[j] = encoding[v >> 10];
+		buffer[j+1] = encoding[(v >> 4) & 0x3f];
+		buffer[j+2] = encoding[(v & 0xf) << 2];
+		buffer[j+3] = '=';
+		break;
+	}
+	lua_pushlstring(L, buffer, encode_sz);
+	return 1;
+}
+
+static inline int
+b64index(uint8_t c) {
+	static const int decoding[] = {62,-1,-1,-1,63,52,53,54,55,56,57,58,59,60,61,-1,-1,-1,-2,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,-1,-1,-1,-1,-1,-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51};
+	int decoding_size = sizeof(decoding)/sizeof(decoding[0]);
+	if (c<43) {
+		return -1;
+	}
+	c -= 43;
+	if (c>=decoding_size)
+		return -1;
+	return decoding[c];
+}
+
+static int
+lb64decode(lua_State *L) {
+	size_t sz = 0;
+	const uint8_t * text = (const uint8_t *)luaL_checklstring(L, 1, &sz);
+	int decode_sz = (sz+3)/4*3;
+	char tmp[SMALL_CHUNK];
+	char *buffer = tmp;
+	if (decode_sz > SMALL_CHUNK) {
+		buffer = lua_newuserdata(L, decode_sz);
+	}
+	int i,j;
+	int output = 0;
+	for (i=0;i<sz;) {
+		int padding = 0;
+		int c[4];
+		for (j=0;j<4;) {
+			if (i>=sz) {
+				return luaL_error(L, "Invalid base64 text");
+			}
+			c[j] = b64index(text[i]);
+			if (c[j] == -1) {
+				++i;
+				continue;
+			}
+			if (c[j] == -2) {
+				++padding;
+			}
+			++i;
+			++j;
+		}
+		uint32_t v;
+		switch (padding) {
+		case 0:
+			v = (unsigned)c[0] << 18 | c[1] << 12 | c[2] << 6 | c[3];
+			buffer[output] = v >> 16;
+			buffer[output+1] = (v >> 8) & 0xff;
+			buffer[output+2] = v & 0xff;
+			output += 3;
+			break;
+		case 1:
+			if (c[3] != -2 || (c[2] & 3)!=0) {
+				return luaL_error(L, "Invalid base64 text");
+			}
+			v = (unsigned)c[0] << 10 | c[1] << 4 | c[2] >> 2 ;
+			buffer[output] = v >> 8;
+			buffer[output+1] = v & 0xff;
+			output += 2;
+			break;
+		case 2:
+			if (c[3] != -2 || c[2] != -2 || (c[1] & 0xf) !=0)  {
+				return luaL_error(L, "Invalid base64 text");
+			}
+			v = (unsigned)c[0] << 2 | c[1] >> 4;
+			buffer[output] = v;
+			++ output;
+			break;
+		default:
+			return luaL_error(L, "Invalid base64 text");
+		}
+	}
+	lua_pushlstring(L, buffer, output);
+	return 1;
+}
+
+int
+luaopen_crypt(lua_State *L) {
+	luaL_checkversion(L);
+	srandom(time(NULL));
+	luaL_Reg l[] = {
+		{ "hashkey", lhashkey },
+		{ "randomkey", lrandomkey },
+		{ "desencode", ldesencode },
+		{ "desdecode", ldesdecode },
+		{ "hexencode", ltohex },
+		{ "hexdecode", lfromhex },
+		{ "hmac64", lhmac64 },
+		{ "dhexchange", ldhexchange },
+		{ "dhsecret", ldhsecret },
+		{ "base64encode", lb64encode },
+		{ "base64decode", lb64decode },
+		{ NULL, NULL },
+	};
+	luaL_newlib(L,l);
+	return 1;
+}

lualib-src/lua-mongo.c

@@ -507,8 +507,8 @@ op_insert(lua_State *L) {
 		for (i=1;i<=s;i++) {
 			lua_rawgeti(L,3,i);
 			document doc = lua_touserdata(L,-1);
+			lua_pop(L,1);	// must call lua_pop before luaL_addlstring, because addlstring may change stack top
 			luaL_addlstring(&b, (const char *)doc, get_length(doc));
-			lua_pop(L,1);
 		}
 	}
 

lualib-src/lua-multicast.c

@@ -149,7 +149,7 @@ mc_nextid(lua_State *L) {
 }
 
 int
-luaopen_multicast_c(lua_State *L) {
+luaopen_multicast_core(lua_State *L) {
 	luaL_Reg l[] = {
 		{ "pack", mc_packlocal },
 		{ "unpack", mc_unpacklocal },

lualib-src/lua-netpack.c

@@ -393,13 +393,13 @@ lpop(lua_State *L) {
  */
 
 static const char *
-tolstring(lua_State *L, size_t *sz) {
+tolstring(lua_State *L, size_t *sz, int index) {
 	const char * ptr;
-	if (lua_isuserdata(L,1)) {
-		ptr = (const char *)lua_touserdata(L,1);
-		*sz = (size_t)luaL_checkinteger(L, 2);
+	if (lua_isuserdata(L,index)) {
+		ptr = (const char *)lua_touserdata(L,index);
+		*sz = (size_t)luaL_checkinteger(L, index+1);
 	} else {
-		ptr = luaL_checklstring(L, 1, sz);
+		ptr = luaL_checklstring(L, index, sz);
 	}
 	return ptr;
 }
@@ -413,7 +413,7 @@ write_size(uint8_t * buffer, int len) {
 static int
 lpack(lua_State *L) {
 	size_t len;
-	const char * ptr = tolstring(L, &len);
+	const char * ptr = tolstring(L, &len, 1);
 	if (len > 0x10000) {
 		return luaL_error(L, "Invalid size (too long) of data : %d", (int)len);
 	}
@@ -433,7 +433,7 @@ lpack_string(lua_State *L) {
 	uint8_t tmp[SMALLSTRING+2];
 	size_t len;
 	uint8_t *buffer;
-	const char * ptr = tolstring(L, &len);
+	const char * ptr = tolstring(L, &len, 1);
 	if (len > 0x10000) {
 		return luaL_error(L, "Invalid size (too long) of data : %d", (int)len);
 	}
@@ -451,6 +451,34 @@ lpack_string(lua_State *L) {
 	return 1;
 }
 
+static int
+lpack_padding(lua_State *L) {
+	uint8_t tmp[SMALLSTRING+2];
+	size_t content_sz;
+	uint8_t *buffer;
+	const char * ptr = tolstring(L, &content_sz, 2);
+	size_t cookie_sz = 0;
+	const char * cookie = luaL_checklstring(L,1,&cookie_sz);
+	size_t len = cookie_sz + content_sz;
+
+	if (len > 0x10000) {
+		return luaL_error(L, "Invalid size (too long) of data : %d", (int)len);
+	}
+
+	if (len <= SMALLSTRING) {
+		buffer = tmp;
+	} else {
+		buffer = lua_newuserdata(L, len + 2);
+	}
+
+	write_size(buffer, len);
+	memcpy(buffer+2, ptr, content_sz);
+	memcpy(buffer+2+content_sz, cookie, cookie_sz);
+	lua_pushlstring(L, (const char *)buffer, len+2);
+
+	return 1;
+}
+
 static int
 ltostring(lua_State *L) {
 	void * ptr = lua_touserdata(L, 1);
@@ -458,8 +486,19 @@ ltostring(lua_State *L) {
 	if (ptr == NULL) {
 		lua_pushliteral(L, "");
 	} else {
-		lua_pushlstring(L, (const char *)ptr, size);
-		skynet_free(ptr);
+		if (lua_isnumber(L, 3)) {
+			int offset = lua_tointeger(L, 3);
+			if (offset < 0) {
+				return luaL_error(L, "Invalid offset %d", offset);
+			}
+			if (offset > size) {
+				offset = size;
+			}
+			lua_pushlstring(L, (const char *)ptr + offset, size-offset);
+		} else {
+			lua_pushlstring(L, (const char *)ptr, size);
+			skynet_free(ptr);
+		}
 	}
 	return 1;
 }
@@ -471,6 +510,7 @@ luaopen_netpack(lua_State *L) {
 		{ "pop", lpop },
 		{ "pack", lpack },
 		{ "pack_string", lpack_string },
+		{ "pack_padding", lpack_padding },
 		{ "clear", lclear },
 		{ "tostring", ltostring },
 		{ NULL, NULL },

lualib-src/lua-sharedata.c

@@ -0,0 +1,789 @@
+// build: gcc -O2 -Wall --shared -o conf.so luaconf.c 
+
+#include <lua.h>
+#include <lauxlib.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#define KEYTYPE_INTEGER 0
+#define KEYTYPE_STRING 1
+
+#define VALUETYPE_NIL 0
+#define VALUETYPE_NUMBER 1
+#define VALUETYPE_STRING 2
+#define VALUETYPE_BOOLEAN 3
+#define VALUETYPE_TABLE 4
+
+struct table;
+
+union value {
+	lua_Number n;
+	struct table * tbl;
+	int string;
+	int boolean;
+};
+
+struct node {
+	union value v;
+	int key;	// integer key or index of string table
+	int next;	// next slot index
+	uint32_t keyhash;
+	uint8_t keytype;	// key type must be integer or string
+	uint8_t valuetype;	// value type can be number/string/boolean/table
+	uint8_t nocolliding;	// 0 means colliding slot
+};
+
+struct table;
+
+struct state {
+	int dirty;
+	int ref;
+	struct table * root;
+};
+
+struct table {
+	int sizearray;
+	int sizehash;
+	uint8_t *arraytype;
+	union value * array;
+	struct node * hash;
+	lua_State * L;
+};
+
+struct context {
+	lua_State * L;
+	struct table * tbl;
+	int string_index;
+};
+
+struct ctrl {
+	struct table * root;
+	struct table * update;
+};
+
+static int
+countsize(lua_State *L, int sizearray) {
+	int n = 0;
+	lua_pushnil(L);
+	while (lua_next(L, 1) != 0) {
+		int type = lua_type(L, -2);
+		++n;
+		if (type == LUA_TNUMBER) {
+			lua_Number key = lua_tonumber(L, -2);
+			int nkey = (int)key;
+			if ((lua_Number)nkey != key) {
+				luaL_error(L, "Invalid key %f", key);
+			}
+			if (nkey > 0 && nkey <= sizearray) {
+				--n;
+			}
+		} else if (type != LUA_TSTRING && type != LUA_TTABLE) {
+			luaL_error(L, "Invalid key type %s", lua_typename(L, type));
+		}
+		lua_pop(L, 1);
+	}
+
+	return n;
+}
+
+static uint32_t
+calchash(const char * str, size_t l) {
+	uint32_t h = (uint32_t)l;
+	size_t l1;
+	size_t step = (l >> 5) + 1;
+	for (l1 = l; l1 >= step; l1 -= step) {
+		h = h ^ ((h<<5) + (h>>2) + (uint8_t)(str[l1 - 1]));
+	}
+	return h;
+}
+
+static int
+stringindex(struct context *ctx, const char * str, size_t sz) {
+	lua_State *L = ctx->L;
+	lua_pushlstring(L, str, sz);
+	lua_pushvalue(L, -1);
+	lua_rawget(L, 1);
+	int index;
+	// stringmap(1) str index
+	if (lua_isnil(L, -1)) {
+		index = ++ctx->string_index;
+		lua_pop(L, 1);
+		lua_pushinteger(L, index);
+		lua_rawset(L, 1);
+	} else {
+		index = lua_tointeger(L, -1);
+		lua_pop(L, 2);
+	}
+	return index;
+}
+
+static int convtable(lua_State *L);
+
+static void
+setvalue(struct context * ctx, lua_State *L, int index, struct node *n) {
+	int vt = lua_type(L, index);
+	switch(vt) {
+	case LUA_TNIL:
+		n->valuetype = VALUETYPE_NIL;
+		break;
+	case LUA_TNUMBER:
+		n->v.n = lua_tonumber(L, index);
+		n->valuetype = VALUETYPE_NUMBER;
+		break;
+	case LUA_TSTRING: {
+		size_t sz = 0;
+		const char * str = lua_tolstring(L, index, &sz);
+		n->v.string = stringindex(ctx, str, sz);
+		n->valuetype = VALUETYPE_STRING;
+		break;
+	}
+	case LUA_TBOOLEAN:
+		n->v.boolean = lua_toboolean(L, index);
+		n->valuetype = VALUETYPE_BOOLEAN;
+		break;
+	case LUA_TTABLE: {
+		struct table *tbl = ctx->tbl;
+		ctx->tbl = (struct table *)malloc(sizeof(struct table));
+		if (ctx->tbl == NULL) {
+			ctx->tbl = tbl;
+			luaL_error(L, "memory error");
+			// never get here
+		}
+		memset(ctx->tbl, 0, sizeof(struct table));
+		int absidx = lua_absindex(L, index);
+
+		lua_pushcfunction(L, convtable);
+		lua_pushvalue(L, absidx);
+		lua_pushlightuserdata(L, ctx);
+
+		lua_call(L, 2, 0);
+
+		n->v.tbl = ctx->tbl;
+		n->valuetype = VALUETYPE_TABLE;
+
+		ctx->tbl = tbl;
+
+		break;
+	}
+	default:
+		luaL_error(L, "Unsupport value type %s", lua_typename(L, vt));
+		break;
+	}
+}
+
+static void
+setarray(struct context *ctx, lua_State *L, int index, int key) {
+	struct node n;
+	setvalue(ctx, L, index, &n);
+	struct table *tbl = ctx->tbl;
+	--key;	// base 0
+	tbl->arraytype[key] = n.valuetype;
+	tbl->array[key] = n.v;
+}
+
+static int
+ishashkey(struct context * ctx, lua_State *L, int index, int *key, uint32_t *keyhash, int *keytype) {
+	int sizearray = ctx->tbl->sizearray;
+	int kt = lua_type(L, index);
+	if (kt == LUA_TNUMBER) {
+		*key = lua_tointeger(L, index);
+		if (*key > 0 && *key <= sizearray) {
+			return 0;
+		}
+		*keyhash = (uint32_t)*key;
+		*keytype = KEYTYPE_INTEGER;
+	} else {
+		size_t sz = 0;
+		const char * s = lua_tolstring(L, index, &sz);
+		*keyhash = calchash(s, sz);
+		*key = stringindex(ctx, s, sz);
+		*keytype = KEYTYPE_STRING;
+	}
+	return 1;
+}
+
+static void
+fillnocolliding(lua_State *L, struct context *ctx) {
+	struct table * tbl = ctx->tbl;
+	lua_pushnil(L);
+	while (lua_next(L, 1) != 0) {
+		int key;
+		int keytype;
+		uint32_t keyhash;
+		if (!ishashkey(ctx, L, -2, &key, &keyhash, &keytype)) {
+			setarray(ctx, L, -1, key);
+		} else {
+			struct node * n = &tbl->hash[keyhash % tbl->sizehash];
+			if (n->valuetype == VALUETYPE_NIL) {
+				n->key = key;
+				n->keytype = keytype;
+				n->keyhash = keyhash;
+				n->next = -1;
+				n->nocolliding = 1;
+				setvalue(ctx, L, -1, n);	// set n->v , n->valuetype
+			}
+		}
+		lua_pop(L,1);
+	}
+}
+
+static void
+fillcolliding(lua_State *L, struct context *ctx) {
+	struct table * tbl = ctx->tbl;
+	int sizehash = tbl->sizehash;
+	int emptyslot = 0;
+	int i;
+	lua_pushnil(L);
+	while (lua_next(L, 1) != 0) {
+		int key;
+		int keytype;
+		uint32_t keyhash;
+		if (ishashkey(ctx, L, -2, &key, &keyhash, &keytype)) {
+			struct node * mainpos = &tbl->hash[keyhash % tbl->sizehash];
+			if (!(mainpos->keytype == keytype && mainpos->key == key)) {
+				// the key has not insert
+				struct node * n = NULL;
+				for (i=emptyslot;i<sizehash;i++) {
+					if (tbl->hash[i].valuetype == VALUETYPE_NIL) {
+						n = &tbl->hash[i];
+						break;
+					}
+				}
+				assert(n);
+				n->next = mainpos->next;
+				mainpos->next = n - tbl->hash;
+				mainpos->nocolliding = 0;
+				n->key = key;
+				n->keytype = keytype;
+				n->keyhash = keyhash;
+				n->nocolliding = 0;
+				setvalue(ctx, L, -1, n);	// set n->v , n->valuetype
+			}
+		}
+		lua_pop(L,1);
+	}
+}
+
+// table need convert
+// struct context * ctx
+static int
+convtable(lua_State *L) {
+	int i;
+	struct context *ctx = lua_touserdata(L,2);
+	struct table *tbl = ctx->tbl;
+
+	tbl->L = ctx->L;
+
+	int sizearray = lua_rawlen(L, 1);
+	if (sizearray) {
+		tbl->arraytype = (uint8_t *)malloc(sizearray * sizeof(uint8_t));
+		if (tbl->arraytype == NULL) {
+			goto memerror;
+		}
+		for (i=0;i<sizearray;i++) {
+			tbl->arraytype[i] = VALUETYPE_NIL;
+		}
+		tbl->array = (union value *)malloc(sizearray * sizeof(union value));
+		if (tbl->array == NULL) {
+			goto memerror;
+		}
+		tbl->sizearray = sizearray;
+	}
+	int sizehash = countsize(L, sizearray);
+	if (sizehash) {
+		tbl->hash = (struct node *)malloc(sizehash * sizeof(struct node));
+		if (tbl->hash == NULL) {
+			goto memerror;
+		}
+		for (i=0;i<sizehash;i++) {
+			tbl->hash[i].valuetype = VALUETYPE_NIL;
+			tbl->hash[i].nocolliding = 0;
+		}
+		tbl->sizehash = sizehash;
+
+		fillnocolliding(L, ctx);
+		fillcolliding(L, ctx);
+	} else {
+		int i;
+		for (i=1;i<=sizearray;i++) {
+			lua_rawgeti(L, 1, i);
+			setarray(ctx, L, -1, i);
+			lua_pop(L,1);
+		}
+	}
+
+	return 0;
+memerror:
+	return luaL_error(L, "memory error");
+}
+
+static void
+delete_tbl(struct table *tbl) {
+	int i;
+	for (i=0;i<tbl->sizearray;i++) {
+		if (tbl->arraytype[i] == VALUETYPE_TABLE) {
+			delete_tbl(tbl->array[i].tbl);
+		}
+	}
+	for (i=0;i<tbl->sizehash;i++) {
+		if (tbl->hash[i].valuetype == VALUETYPE_TABLE) {
+			delete_tbl(tbl->hash[i].v.tbl);
+		}
+	}
+	free(tbl->arraytype);
+	free(tbl->array);
+	free(tbl->hash);
+	free(tbl);
+}
+
+static int
+pconv(lua_State *L) {
+	struct context *ctx = lua_touserdata(L,1);
+	lua_State * pL = lua_touserdata(L, 2);
+	int ret;
+
+	lua_settop(L, 0);
+
+	// init L (may throw memory error)
+	// create a table for string map
+	lua_newtable(L);
+
+	lua_pushcfunction(pL, convtable);
+	lua_pushvalue(pL,1);
+	lua_pushlightuserdata(pL, ctx);
+
+	ret = lua_pcall(pL, 2, 0, 0);
+	if (ret != LUA_OK) {
+		size_t sz = 0;
+		const char * error = lua_tolstring(pL, -1, &sz);
+		lua_pushlstring(L, error, sz);
+		lua_error(L);
+		// never get here
+	}
+
+	luaL_checkstack(L, ctx->string_index + 3, NULL);
+	lua_settop(L,1);
+
+	return 1;
+}
+
+static void
+convert_stringmap(struct context *ctx, struct table *tbl) {
+	lua_State *L = ctx->L;
+	lua_settop(L, ctx->string_index + 1);
+	lua_pushvalue(L, 1);
+	struct state * s = lua_newuserdata(L, sizeof(*s));
+	s->dirty = 0;
+	s->ref = 0;
+	s->root = tbl;
+	lua_replace(L, 1);
+	lua_replace(L, -2);
+
+	lua_pushnil(L);
+	// ... stringmap nil
+	while (lua_next(L, -2) != 0) {
+		int idx = lua_tointeger(L, -1);
+		lua_pop(L, 1);
+		lua_pushvalue(L, -1);
+		lua_replace(L, idx);
+	}
+
+	lua_pop(L, 1);
+
+	lua_gc(L, LUA_GCCOLLECT, 0);
+}
+
+static int
+lnewconf(lua_State *L) {
+	int ret;
+	struct context ctx;
+	struct table * tbl = NULL;
+	luaL_checktype(L,1,LUA_TTABLE);
+	ctx.L = luaL_newstate();
+	ctx.tbl = NULL;
+	ctx.string_index = 1;	// 1 reserved for dirty flag
+	if (ctx.L == NULL) {
+		lua_pushliteral(L, "memory error");
+		goto error;
+	}
+	tbl = (struct table *)malloc(sizeof(struct table));
+	if (tbl == NULL) {
+		// lua_pushliteral may fail because of memory error, close first.
+		lua_close(ctx.L);
+		ctx.L = NULL;
+		lua_pushliteral(L, "memory error");
+		goto error;
+	}
+	memset(tbl, 0, sizeof(struct table));
+	ctx.tbl = tbl;
+
+	lua_pushcfunction(ctx.L, pconv);
+	lua_pushlightuserdata(ctx.L , &ctx);
+	lua_pushlightuserdata(ctx.L , L);
+
+	ret = lua_pcall(ctx.L, 2, 1, 0);
+
+	if (ret != LUA_OK) {
+		size_t sz = 0;
+		const char * error = lua_tolstring(ctx.L, -1, &sz);
+		lua_pushlstring(L, error, sz);
+		goto error;
+	}
+
+	convert_stringmap(&ctx, tbl);
+
+	lua_pushlightuserdata(L, tbl);	
+
+	return 1;
+error:
+	if (ctx.L) {
+		lua_close(ctx.L);
+	}
+	if (tbl) {
+		delete_tbl(tbl);
+	}
+	lua_error(L);
+	return -1;
+}
+
+static struct table *
+get_table(lua_State *L, int index) {
+	struct table *tbl = lua_touserdata(L,index);
+	if (tbl == NULL) {
+		luaL_error(L, "Need a conf object");
+	}
+	return tbl;
+}
+
+static int
+ldeleteconf(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	lua_close(tbl->L);
+	delete_tbl(tbl);
+	return 0;
+}
+
+static void
+pushvalue(lua_State *L, lua_State *sL, uint8_t vt, union value *v) {
+	switch(vt) {
+	case VALUETYPE_NUMBER:
+		lua_pushnumber(L, v->n);
+		break;
+	case VALUETYPE_STRING: {
+		size_t sz = 0;
+		const char *str = lua_tolstring(sL, v->string, &sz);
+		lua_pushlstring(L, str, sz);
+		break;
+	}
+	case VALUETYPE_BOOLEAN:
+		lua_pushboolean(L, v->boolean);
+		break;
+	case VALUETYPE_TABLE:
+		lua_pushlightuserdata(L, v->tbl);
+		break;
+	default:
+		lua_pushnil(L);
+		break;
+	}
+}
+
+static struct node *
+lookup_key(struct table *tbl, uint32_t keyhash, int key, int keytype, const char *str, size_t sz) {
+	if (tbl->sizehash == 0)
+		return NULL;
+	struct node *n = &tbl->hash[keyhash % tbl->sizehash];
+	if (keyhash != n->keyhash && n->nocolliding)
+		return NULL;
+	for (;;) {
+		if (keyhash == n->keyhash) {
+			if (n->keytype == KEYTYPE_INTEGER) {
+				if (keytype == KEYTYPE_INTEGER && n->key == key) {
+					return n;
+				}
+			} else {
+				// n->keytype == KEYTYPE_STRING
+				if (keytype == KEYTYPE_STRING) {
+					size_t sz2 = 0;
+					const char * str2 = lua_tolstring(tbl->L, n->key, &sz2);
+					if (sz == sz2 && memcmp(str,str2,sz) == 0) {
+						return n;
+					}
+				}
+			}
+		}
+		if (n->next < 0) {
+			return NULL;
+		}
+		n = &tbl->hash[n->next];		
+	}
+}
+
+static int
+lindexconf(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	int kt = lua_type(L,2);
+	uint32_t keyhash;
+	int key = 0;
+	int keytype;
+	size_t sz = 0;
+	const char * str = NULL;
+	if (kt == LUA_TNUMBER) {
+		lua_Number k = lua_tonumber(L, 2);
+		key = (int)k;
+		if ((lua_Number)key != k) {
+			return luaL_error(L, "Invalid key %f", k);
+		}
+		if (key > 0 && key <= tbl->sizearray) {
+			--key;
+			pushvalue(L, tbl->L, tbl->arraytype[key], &tbl->array[key]);
+			return 1;
+		} 
+		keytype = KEYTYPE_INTEGER;
+		keyhash = (uint32_t)key;
+	} else {
+		str = luaL_checklstring(L, 2, &sz);
+		keyhash = calchash(str, sz);
+		keytype = KEYTYPE_STRING;
+	}
+
+	struct node *n = lookup_key(tbl, keyhash, key, keytype, str, sz);
+	if (n) {
+		pushvalue(L, tbl->L, n->valuetype, &n->v);
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+static void
+pushkey(lua_State *L, lua_State *sL, struct node *n) {
+	if (n->keytype == KEYTYPE_INTEGER) {
+		lua_pushinteger(L, n->key);
+	} else {
+		size_t sz = 0;
+		const char * str = lua_tolstring(sL, n->key, &sz);
+		lua_pushlstring(L, str, sz);
+	}
+}
+
+static int
+pushfirsthash(lua_State *L, struct table * tbl) {
+	if (tbl->sizehash) {
+		pushkey(L, tbl->L, &tbl->hash[0]);
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+static int
+lnextkey(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	if (lua_isnoneornil(L,2)) {
+		if (tbl->sizearray > 0) {
+			int i;
+			for (i=0;i<tbl->sizearray;i++) {
+				if (tbl->arraytype[i] != VALUETYPE_NIL) {
+					lua_pushinteger(L, i+1);
+					return 1;
+				}
+			}
+		}
+		return pushfirsthash(L, tbl);
+	}
+	int kt = lua_type(L,2);
+	uint32_t keyhash;
+	int key = 0;
+	int keytype;
+	size_t sz=0;
+	const char *str = NULL;
+	int sizearray = tbl->sizearray;
+	if (kt == LUA_TNUMBER) {
+		lua_Number k = lua_tonumber(L,2);
+		key = (int)k;
+		if ((lua_Number)key != k) {
+			return 0;
+		}
+		if (key > 0 && key <= sizearray) {
+			int i;
+			for (i=key;i<sizearray;i++) {
+				if (tbl->arraytype[i] != VALUETYPE_NIL) {
+					lua_pushinteger(L, i+1);
+					return 1;
+				}
+			}
+			return pushfirsthash(L, tbl);
+		}
+		keyhash = (uint32_t)key;
+		keytype = KEYTYPE_INTEGER;
+	} else {
+		str = luaL_checklstring(L, 2, &sz);
+		keyhash = calchash(str, sz);
+		keytype = KEYTYPE_STRING;
+	}
+
+	struct node *n = lookup_key(tbl, keyhash, key, keytype, str, sz);
+	if (n) {
+		++n;
+		int index = n-tbl->hash;
+		if (index == tbl->sizehash) {
+			return 0;
+		}
+		pushkey(L, tbl->L, n);
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+static int
+llen(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	lua_pushinteger(L, tbl->sizearray);
+	return 1;
+}
+
+static int
+lhashlen(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	lua_pushinteger(L, tbl->sizehash);
+	return 1;
+}
+
+static int
+releaseobj(lua_State *L) {
+	struct ctrl *c = lua_touserdata(L, 1);
+	struct table *tbl = c->root;
+	struct state *s = lua_touserdata(tbl->L, 1);
+	__sync_fetch_and_sub(&s->ref, 1);
+	c->root = NULL;
+	c->update = NULL;
+
+	return 0;
+}
+
+static int
+lboxconf(lua_State *L) {
+	struct table * tbl = get_table(L,1);	
+	struct state * s = lua_touserdata(tbl->L, 1);
+	__sync_fetch_and_add(&s->ref, 1);
+
+	struct ctrl * c = lua_newuserdata(L, sizeof(*c));
+	c->root = tbl;
+	c->update = NULL;
+	if (luaL_newmetatable(L, "confctrl")) {
+		lua_pushcfunction(L, releaseobj);
+		lua_setfield(L, -2, "__gc");
+	}
+	lua_setmetatable(L, -2);
+
+	return 1;
+}
+
+static int
+lmarkdirty(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	struct state * s = lua_touserdata(tbl->L, 1);
+	s->dirty = 1;
+	return 0;
+}
+
+static int
+lisdirty(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	struct state * s = lua_touserdata(tbl->L, 1);
+	int d = s->dirty;
+	lua_pushboolean(L, d);
+	
+	return 1;
+}
+
+static int
+lgetref(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	struct state * s = lua_touserdata(tbl->L, 1);
+	lua_pushinteger(L , s->ref);
+
+	return 1;
+}
+
+static int
+lincref(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	struct state * s = lua_touserdata(tbl->L, 1);
+	int ref = __sync_add_and_fetch(&s->ref, 1);
+	lua_pushinteger(L , ref);
+
+	return 1;
+}
+
+static int
+ldecref(lua_State *L) {
+	struct table *tbl = get_table(L,1);
+	struct state * s = lua_touserdata(tbl->L, 1);
+	int ref = __sync_sub_and_fetch(&s->ref, 1);
+	lua_pushinteger(L , ref);
+
+	return 1;
+}
+
+static int
+lneedupdate(lua_State *L) {
+	struct ctrl * c = lua_touserdata(L, 1);
+	if (c->update) {
+		lua_pushlightuserdata(L, c->update);
+		lua_getuservalue(L, 1);
+		return 2;
+	}
+	return 0;
+}
+
+static int
+lupdate(lua_State *L) {
+	luaL_checktype(L, 1, LUA_TUSERDATA);
+	luaL_checktype(L, 2, LUA_TLIGHTUSERDATA);
+	luaL_checktype(L, 3, LUA_TTABLE);
+	struct ctrl * c= lua_touserdata(L, 1);
+	struct table *n = lua_touserdata(L, 2);
+	if (c->update) {
+		return luaL_error(L, "can't update more than once");
+	}
+	if (c->root == n) {
+		return luaL_error(L, "You should update a new object");
+	}
+	lua_settop(L, 3);
+	lua_setuservalue(L, 1);
+	c->update = n;
+
+	return 0;
+}
+
+int
+luaopen_sharedata_core(lua_State *L) {
+	luaL_Reg l[] = {
+		// used by host
+		{ "new", lnewconf },
+		{ "delete", ldeleteconf },
+		{ "markdirty", lmarkdirty },
+		{ "getref", lgetref },
+		{ "incref", lincref },
+		{ "decref", ldecref },
+
+		// used by client
+		{ "box", lboxconf },
+		{ "index", lindexconf },
+		{ "nextkey", lnextkey },
+		{ "len", llen },
+		{ "hashlen", lhashlen },
+		{ "isdirty", lisdirty },
+		{ "needupdate", lneedupdate },
+		{ "update", lupdate },
+		{ NULL, NULL },
+	};
+	luaL_checkversion(L);
+	luaL_newlib(L, l);
+
+	return 1;
+}

lualib-src/lua-skynet.c

@@ -73,10 +73,17 @@ _cb(struct skynet_context * context, void * ud, int type, int session, uint32_t
 	return 0;
 }
 
+static int
+forward_cb(struct skynet_context * context, void * ud, int type, int session, uint32_t source, const void * msg, size_t sz) {
+	_cb(context, ud, type, session, source, msg, sz);
+	// don't delete msg in forward mode.
+	return 1;
+}
+
 static int
 _callback(lua_State *L) {
 	struct skynet_context * context = lua_touserdata(L, lua_upvalueindex(1));
-
+	int forward = lua_toboolean(L, 2);
 	luaL_checktype(L,1,LUA_TFUNCTION);
 	lua_settop(L,1);
 	lua_rawsetp(L, LUA_REGISTRYINDEX, _cb);
@@ -84,7 +91,11 @@ _callback(lua_State *L) {
 	lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_MAINTHREAD);
 	lua_State *gL = lua_tothread(L,-1);
 
-	skynet_callback(context, gL, _cb);
+	if (forward) {
+		skynet_callback(context, gL, forward_cb);
+	} else {
+		skynet_callback(context, gL, _cb);
+	}
 
 	return 0;
 }
@@ -115,44 +126,13 @@ _genid(lua_State *L) {
 	return 1;
 }
 
-// copy from _send
-
-static int
-_sendname(lua_State *L, struct skynet_context * context, const char * dest) {
-	int type = luaL_checkinteger(L, 2);
-	int session = 0;
-	if (lua_isnil(L,3)) {
-		type |= PTYPE_TAG_ALLOCSESSION;
-	} else {
-		session = luaL_checkinteger(L,3);
+static const char *
+get_dest_string(lua_State *L, int index) {
+	const char * dest_string = lua_tostring(L, index);
+	if (dest_string == NULL) {
+		luaL_error(L, "dest address type (%s) must be a string or number.", lua_typename(L, lua_type(L,index)));
 	}
-
-	int mtype = lua_type(L,4);
-	switch (mtype) {
-	case LUA_TSTRING: {
-		size_t len = 0;
-		void * msg = (void *)lua_tolstring(L,4,&len);
-		session = skynet_sendname(context, dest, type, session , msg, len);
-		break;
-	}
-	case LUA_TNIL :
-		session = skynet_sendname(context, dest, type, session , NULL, 0);
-		break;
-	case LUA_TLIGHTUSERDATA: {
-		luaL_checktype(L, 4, LUA_TLIGHTUSERDATA);
-		void * msg = lua_touserdata(L,4);
-		int size = luaL_checkinteger(L,5);
-		session = skynet_sendname(context, dest, type | PTYPE_TAG_DONTCOPY, session, msg, size);
-		break;
-	}
-	default:
-		luaL_error(L, "skynet.send invalid param %s", lua_typename(L,lua_type(L,4)));
-	}
-	if (session < 0) {
-		return 0;
-	}
-	lua_pushinteger(L,session);
-	return 1;
+	return dest_string;
 }
 
 /*
@@ -167,28 +147,10 @@ _sendname(lua_State *L, struct skynet_context * context, const char * dest) {
 static int
 _send(lua_State *L) {
 	struct skynet_context * context = lua_touserdata(L, lua_upvalueindex(1));
-	int addr_type = lua_type(L,1);
-	uint32_t dest = 0;
-	switch(addr_type) {
-	case LUA_TNUMBER:
-		dest = lua_tounsigned(L,1);
-		break;
-	case LUA_TSTRING: {
-		const char * addrname = lua_tostring(L,1);
-		if (addrname[0] == '.' || addrname[0] == ':') {
-			dest = skynet_queryname(context, addrname);
-			if (dest == 0) {
-				luaL_error(L, "Invalid name %s", addrname);
-			}
-		} else if ('0' <= addrname[0] && addrname[0] <= '9') {
-			luaL_error(L, "Invalid name %s: must not start with a digit", addrname);
-		} else {
-			return _sendname(L, context, addrname);
-		}
-		break;
-	}
-	default:
-		return luaL_error(L, "address must be number or string, got %s",lua_typename(L,addr_type));
+	uint32_t dest = lua_tounsigned(L, 1);
+	const char * dest_string = NULL;
+	if (dest == 0) {
+		dest_string = get_dest_string(L, 1);
 	}
 
 	int type = luaL_checkinteger(L, 2);
@@ -207,13 +169,21 @@ _send(lua_State *L) {
 		if (len == 0) {
 			msg = NULL;
 		}
-		session = skynet_send(context, 0, dest, type, session , msg, len);
+		if (dest_string) {
+			session = skynet_sendname(context, 0, dest_string, type, session , msg, len);
+		} else {
+			session = skynet_send(context, 0, dest, type, session , msg, len);
+		}
 		break;
 	}
 	case LUA_TLIGHTUSERDATA: {
 		void * msg = lua_touserdata(L,4);
 		int size = luaL_checkinteger(L,5);
-		session = skynet_send(context, 0, dest, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		if (dest_string) {
+			session = skynet_sendname(context, 0, dest_string, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		} else {
+			session = skynet_send(context, 0, dest, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		}
 		break;
 	}
 	default:
@@ -231,7 +201,11 @@ _send(lua_State *L) {
 static int
 _redirect(lua_State *L) {
 	struct skynet_context * context = lua_touserdata(L, lua_upvalueindex(1));
-	uint32_t dest = luaL_checkunsigned(L,1);
+	uint32_t dest = lua_tounsigned(L,1);
+	const char * dest_string = NULL;
+	if (dest == 0) {
+		dest_string = get_dest_string(L, 1);
+	}
 	uint32_t source = luaL_checkunsigned(L,2);
 	int type = luaL_checkinteger(L,3);
 	int session = luaL_checkinteger(L,4);
@@ -244,13 +218,21 @@ _redirect(lua_State *L) {
 		if (len == 0) {
 			msg = NULL;
 		}
-		session = skynet_send(context, source, dest, type, session , msg, len);
+		if (dest_string) {
+			session = skynet_sendname(context, source, dest_string, type, session , msg, len);
+		} else {
+			session = skynet_send(context, source, dest, type, session , msg, len);
+		}
 		break;
 	}
 	case LUA_TLIGHTUSERDATA: {
 		void * msg = lua_touserdata(L,5);
 		int size = luaL_checkinteger(L,6);
-		session = skynet_send(context, source, dest, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		if (dest_string) {
+			session = skynet_sendname(context, source, dest_string, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		} else {
+			session = skynet_send(context, source, dest, type | PTYPE_TAG_DONTCOPY, session, msg, size);
+		}
 		break;
 	}
 	default:
@@ -299,8 +281,28 @@ lpackstring(lua_State *L) {
 	return 1;
 }
 
+static int
+ltrash(lua_State *L) {
+	int t = lua_type(L,1);
+	switch (t) {
+	case LUA_TSTRING: {
+		break;
+	}
+	case LUA_TLIGHTUSERDATA: {
+		void * msg = lua_touserdata(L,1);
+		luaL_checkinteger(L,2);
+		skynet_free(msg);
+		break;
+	}
+	default:
+		luaL_error(L, "skynet.trash invalid param %s", lua_typename(L,t));
+	}
+
+	return 0;
+}
+
 int
-luaopen_skynet_c(lua_State *L) {
+luaopen_skynet_core(lua_State *L) {
 	luaL_checkversion(L);
 	
 	luaL_Reg l[] = {
@@ -314,6 +316,7 @@ luaopen_skynet_c(lua_State *L) {
 		{ "pack", _luaseri_pack },
 		{ "unpack", _luaseri_unpack },
 		{ "packstring", lpackstring },
+		{ "trash" , ltrash },
 		{ "callback", _callback },
 		{ NULL, NULL },
 	};

lualib-src/lua-socket.c

@@ -23,7 +23,6 @@ struct buffer_node {
 };
 
 struct socket_buffer {
-	int limit;
 	int size;
 	int offset;
 	struct buffer_node *head;
@@ -66,7 +65,6 @@ lnewpool(lua_State *L, int sz) {
 static int
 lnewbuffer(lua_State *L) {
 	struct socket_buffer * sb = lua_newuserdata(L, sizeof(*sb));	
-	sb->limit = luaL_optint(L,1,BUFFER_LIMIT);
 	sb->size = 0;
 	sb->offset = 0;
 	sb->head = NULL;
@@ -129,9 +127,6 @@ lpushbuffer(lua_State *L) {
 	sb->size += sz;
 
 	lua_pushinteger(L, sb->size);
-	if (sb->limit > 0 && sb->size > sb->limit) {
-		return luaL_error(L, "buffer overflow (limit = %d, size = %d)", sb->limit, sb->size);
-	}
 
 	return 1;
 }
@@ -251,6 +246,7 @@ lclearbuffer(lua_State *L) {
 	while(sb->head) {
 		return_free_node(L,2,sb);
 	}
+	sb->size = 0;
 	return 0;
 }
 
@@ -269,6 +265,7 @@ lreadall(lua_State *L) {
 		return_free_node(L,2,sb);
 	}
 	luaL_pushresult(&b);
+	sb->size = 0;
 	return 1;
 }
 

lualib-src/lua-stm.c

@@ -0,0 +1,244 @@
+#include <lua.h>
+#include <lauxlib.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <assert.h>
+
+#include "rwlock.h"
+#include "skynet_malloc.h"
+
+struct stm_object {
+	struct rwlock lock;
+	int reference;
+	struct stm_copy * copy;
+};
+
+struct stm_copy {
+	int reference;
+	uint32_t sz;
+	void * msg;
+};
+
+// msg should alloc by skynet_malloc 
+static struct stm_copy *
+stm_newcopy(void * msg, int32_t sz) {
+	struct stm_copy * copy = skynet_malloc(sizeof(*copy));
+	copy->reference = 1;
+	copy->sz = sz;
+	copy->msg = msg;
+
+	return copy;
+}
+
+static struct stm_object *
+stm_new(void * msg, int32_t sz) {
+	struct stm_object * obj = skynet_malloc(sizeof(*obj));
+	rwlock_init(&obj->lock);
+	obj->reference = 1;
+	obj->copy = stm_newcopy(msg, sz);
+
+	return obj;
+}
+
+static void
+stm_releasecopy(struct stm_copy *copy) {
+	if (copy == NULL)
+		return;
+	if (__sync_sub_and_fetch(&copy->reference, 1) == 0) {
+		skynet_free(copy->msg);
+		skynet_free(copy);
+	}
+}
+
+static void
+stm_release(struct stm_object *obj) {
+	assert(obj->copy);
+	rwlock_wlock(&obj->lock);
+	// writer release the stm object, so release the last copy .
+	stm_releasecopy(obj->copy);
+	obj->copy = NULL;
+	if (--obj->reference > 0) {
+		// stm object grab by readers, reset the copy to NULL.
+		rwlock_wunlock(&obj->lock);
+		return;
+	}
+	// no one grab the stm object, no need to unlock wlock.
+	skynet_free(obj);
+}
+
+static void
+stm_releasereader(struct stm_object *obj) {
+	rwlock_rlock(&obj->lock);
+	if (__sync_sub_and_fetch(&obj->reference,1) == 0) {
+		// last reader, no writer. so no need to unlock
+		assert(obj->copy == NULL);
+		skynet_free(obj);
+		return;
+	}
+	rwlock_runlock(&obj->lock);
+}
+
+static void
+stm_grab(struct stm_object *obj) {
+	rwlock_rlock(&obj->lock);
+	int ref = __sync_fetch_and_add(&obj->reference,1);
+	rwlock_runlock(&obj->lock);
+	assert(ref > 0);
+}
+
+static struct stm_copy *
+stm_copy(struct stm_object *obj) {
+	rwlock_rlock(&obj->lock);
+	struct stm_copy * ret = obj->copy;
+	if (ret) {
+		int ref = __sync_fetch_and_add(&ret->reference,1);
+		assert(ref > 0);
+	}
+	rwlock_runlock(&obj->lock);
+	
+	return ret;
+}
+
+static void
+stm_update(struct stm_object *obj, void *msg, int32_t sz) {
+	struct stm_copy *copy = stm_newcopy(msg, sz);
+	rwlock_wlock(&obj->lock);
+	struct stm_copy *oldcopy = obj->copy;
+	obj->copy = copy;
+	rwlock_wunlock(&obj->lock);
+
+	stm_releasecopy(oldcopy);
+}
+
+// lua binding
+
+struct boxstm {
+	struct stm_object * obj;
+};
+
+static int
+lcopy(lua_State *L) {
+	struct boxstm * box = lua_touserdata(L, 1);
+	stm_grab(box->obj);
+	lua_pushlightuserdata(L, box->obj);
+	return 1;
+}
+
+static int
+lnewwriter(lua_State *L) {
+	void * msg = lua_touserdata(L, 1);
+	uint32_t sz = luaL_checkunsigned(L, 2);
+	struct boxstm * box = lua_newuserdata(L, sizeof(*box));
+	box->obj = stm_new(msg,sz);
+	lua_pushvalue(L, lua_upvalueindex(1));
+	lua_setmetatable(L, -2);
+
+	return 1;
+}
+
+static int
+ldeletewriter(lua_State *L) {
+	struct boxstm * box = lua_touserdata(L, 1);
+	stm_release(box->obj);
+	box->obj = NULL;
+
+	return 0;
+}
+
+static int
+lupdate(lua_State *L) {
+	struct boxstm * box = lua_touserdata(L, 1);
+	void * msg = lua_touserdata(L, 2);
+	uint32_t sz = luaL_checkunsigned(L, 3);
+	stm_update(box->obj, msg, sz);
+
+	return 0;
+}
+
+struct boxreader {
+	struct stm_object *obj;
+	struct stm_copy *lastcopy;
+};
+
+static int
+lnewreader(lua_State *L) {
+	struct boxreader * box = lua_newuserdata(L, sizeof(*box));
+	box->obj = lua_touserdata(L, 1);
+	box->lastcopy = NULL;
+	lua_pushvalue(L, lua_upvalueindex(1));
+	lua_setmetatable(L, -2);
+
+	return 1;
+}
+
+static int
+ldeletereader(lua_State *L) {
+	struct boxreader * box = lua_touserdata(L, 1);
+	stm_releasereader(box->obj);
+	box->obj = NULL;
+	stm_releasecopy(box->lastcopy);
+	box->lastcopy = NULL;
+
+	return 0;
+}
+
+static int
+lread(lua_State *L) {
+	struct boxreader * box = lua_touserdata(L, 1);
+	luaL_checktype(L, 2, LUA_TFUNCTION);
+	struct stm_copy * copy = stm_copy(box->obj);
+	if (copy == box->lastcopy) {
+		// not update
+		stm_releasecopy(copy);
+		lua_pushboolean(L, 0);
+		return 1;
+	}
+
+	stm_releasecopy(box->lastcopy);
+	box->lastcopy = copy;
+	if (copy) {
+		lua_settop(L, 2);
+		lua_pushlightuserdata(L, copy->msg);
+		lua_pushunsigned(L, copy->sz);
+		lua_call(L, 2, LUA_MULTRET);
+		lua_pushboolean(L, 1);
+		lua_replace(L, 1);
+		return lua_gettop(L);
+	} else {
+		lua_pushboolean(L, 0);
+		return 1;
+	}
+}
+
+int
+luaopen_stm(lua_State *L) {
+	luaL_checkversion(L);
+	lua_createtable(L, 0, 3);
+
+	lua_pushcfunction(L, lcopy);
+	lua_setfield(L, -2, "copy");
+
+	luaL_Reg writer[] = {
+		{ "new", lnewwriter },
+		{ NULL, NULL },
+	};
+	lua_createtable(L, 0, 2);
+	lua_pushcfunction(L, ldeletewriter),
+	lua_setfield(L, -2, "__gc");
+	lua_pushcfunction(L, lupdate),
+	lua_setfield(L, -2, "__call");
+	luaL_setfuncs(L, writer, 1);
+
+	luaL_Reg reader[] = {
+		{ "newcopy", lnewreader },
+		{ NULL, NULL },
+	};
+	lua_createtable(L, 0, 2);
+	lua_pushcfunction(L, ldeletereader),
+	lua_setfield(L, -2, "__gc");
+	lua_pushcfunction(L, lread),
+	lua_setfield(L, -2, "__call");
+	luaL_setfuncs(L, reader, 1);
+
+	return 1;
+}

lualib/cluster.lua

@@ -4,7 +4,7 @@ local clusterd
 local cluster = {}
 
 function cluster.call(node, address, ...)
-	-- skynet.pack(...) will free by cluster.c.packrequest
+	-- skynet.pack(...) will free by cluster.core.packrequest
 	return skynet.call(clusterd, "lua", "req", node, address, skynet.pack(...))
 end
 
@@ -20,6 +20,10 @@ function cluster.reload()
 	skynet.call(clusterd, "lua", "reload")
 end
 
+function cluster.proxy(node, name)
+	return skynet.call(clusterd, "lua", "proxy", node, name)
+end
+
 skynet.init(function()
 	clusterd = skynet.uniqueservice("clusterd")
 end)

lualib/http/httpc.lua

@@ -0,0 +1,114 @@
+local socket = require "http.sockethelper"
+local url = require "http.url"
+local internal = require "http.internal"
+local string = string
+local table = table
+
+local httpc = {}
+
+local function request(fd, method, host, url, recvheader, header, content)
+	local read = socket.readfunc(fd)
+	local write = socket.writefunc(fd)
+	local header_content = ""
+	if header then
+		for k,v in pairs(header) do
+			header_content = string.format("%s%s:%s\r\n", header_content, k, v)
+		end
+	end
+
+	if content then
+		local data = string.format("%s %s HTTP/1.1\r\nhost:%s\r\ncontent-length:%d\r\n%s\r\n%s", method, url, host, #content, header_content, content)
+		write(data)
+	else
+		local request_header = string.format("%s %s HTTP/1.1\r\nhost:%s\r\ncontent-length:0\r\n%s\r\n", method, url, host, header_content)
+		write(request_header)
+	end
+
+	local tmpline = {}
+	local body = internal.recvheader(read, tmpline, "")
+	if not body then
+		error(socket.socket_error)
+	end
+
+	local statusline = tmpline[1]
+	local code, info = statusline:match "HTTP/[%d%.]+%s+([%d]+)%s+(.*)$"
+	code = assert(tonumber(code))
+
+	local header = internal.parseheader(tmpline,2,recvheader or {})
+	if not header then
+		error("Invalid HTTP response header")
+	end
+
+	local length = header["content-length"]
+	if length then
+		length = tonumber(length)
+	end
+	local mode = header["transfer-encoding"]
+	if mode then
+		if mode ~= "identity" and mode ~= "chunked" then
+			error ("Unsupport transfer-encoding")
+		end
+	end
+
+	if mode == "chunked" then
+		body, header = internal.recvchunkedbody(read, nil, header, body)
+		if not body then
+			error("Invalid response body")
+		end
+	else
+		-- identity mode
+		if length then
+			if #body >= length then
+				body = body:sub(1,length)
+			else
+				local padding = read(length - #body)
+				body = body .. padding
+			end
+		else
+			body = nil
+		end
+	end
+
+	return code, body
+end
+
+function httpc.request(method, host, url, recvheader, header, content)
+	local hostname, port = host:match"([^:]+):?(%d*)$"
+	if port == "" then
+		port = 80
+	else
+		port = tonumber(port)
+	end
+	local fd = socket.connect(hostname, port)
+	local ok , statuscode, body = pcall(request, fd,method, host, url, recvheader, header, content)
+	if ok then
+		return statuscode, body
+	else
+		socket.close(fd)
+		error(statuscode)
+	end
+end
+
+function httpc.get(...)
+	return httpc.request("GET", ...)
+end
+
+local function escape(s)
+	return (string.gsub(s, "([^A-Za-z0-9_])", function(c)
+		return string.format("%%%02X", string.byte(c))
+	end))
+end
+
+function httpc.post(host, url, form, recvheader)
+	local header = {
+		["content-type"] = "application/x-www-form-urlencoded"
+	}
+	local body = {}
+	for k,v in pairs(form) do
+		table.insert(body, string.format("%s=%s",escape(k),escape(v)))
+	end
+
+	return httpc.request("POST", host, url, recvheader, header, table.concat(body , "&"))
+end
+
+return httpc

lualib/http/httpd.lua

@@ -0,0 +1,145 @@
+local internal = require "http.internal"
+
+local table = table
+
+local httpd = {}
+
+local http_status_msg = {
+	[100] = "Continue",
+	[101] = "Switching Protocols",
+	[200] = "OK",
+	[201] = "Created",
+	[202] = "Accepted",
+	[203] = "Non-Authoritative Information",
+	[204] = "No Content",
+	[205] = "Reset Content",
+	[206] = "Partial Content",
+	[300] = "Multiple Choices",
+	[301] = "Moved Permanently",
+	[302] = "Found",
+	[303] = "See Other",
+	[304] = "Not Modified",
+	[305] = "Use Proxy",
+	[307] = "Temporary Redirect",
+	[400] = "Bad Request",
+	[401] = "Unauthorized",
+	[402] = "Payment Required",
+	[403] = "Forbidden",
+	[404] = "Not Found",
+	[405] = "Method Not Allowed",
+	[406] = "Not Acceptable",
+	[407] = "Proxy Authentication Required",
+	[408] = "Request Time-out",
+	[409] = "Conflict",
+	[410] = "Gone",
+	[411] = "Length Required",
+	[412] = "Precondition Failed",
+	[413] = "Request Entity Too Large",
+	[414] = "Request-URI Too Large",
+	[415] = "Unsupported Media Type",
+	[416] = "Requested range not satisfiable",
+	[417] = "Expectation Failed",
+	[500] = "Internal Server Error",
+	[501] = "Not Implemented",
+	[502] = "Bad Gateway",
+	[503] = "Service Unavailable",
+	[504] = "Gateway Time-out",
+	[505] = "HTTP Version not supported",
+}
+
+local function readall(readbytes, bodylimit)
+	local tmpline = {}
+	local body = internal.recvheader(readbytes, tmpline, "")
+	if not body then
+		return 413	-- Request Entity Too Large
+	end
+	local request = assert(tmpline[1])
+	local method, url, httpver = request:match "^(%a+)%s+(.-)%s+HTTP/([%d%.]+)$"
+	assert(method and url and httpver)
+	httpver = assert(tonumber(httpver))
+	if httpver < 1.0 or httpver > 1.1 then
+		return 505	-- HTTP Version not supported
+	end
+	local header = internal.parseheader(tmpline,2,{})
+	if not header then
+		return 400	-- Bad request
+	end
+	local length = header["content-length"]
+	if length then
+		length = tonumber(length)
+	end
+	local mode = header["transfer-encoding"]
+	if mode then
+		if mode ~= "identity" and mode ~= "chunked" then
+			return 501	-- Not Implemented
+		end
+	end
+
+	if mode == "chunked" then
+		body, header = internal.recvchunkedbody(readbytes, bodylimit, header, body)
+		if not body then
+			return 413
+		end
+	else
+		-- identity mode
+		if length then
+			if length > bodylimit then
+				return 413
+			end
+			if #body >= length then
+				body = body:sub(1,length)
+			else
+				local padding = readbytes(length - #body)
+				body = body .. padding
+			end
+		end
+	end
+
+	return 200, url, method, header, body
+end
+
+function httpd.read_request(...)
+	local ok, code, url, method, header, body = pcall(readall, ...)
+	if ok then
+		return code, url, method, header, body
+	else
+		return nil, code
+	end
+end
+
+local function writeall(writefunc, statuscode, bodyfunc, header)
+	local statusline = string.format("HTTP/1.1 %03d %s\r\n", statuscode, http_status_msg[statuscode] or "")
+	writefunc(statusline)
+	if header then
+		for k,v in pairs(header) do
+			writefunc(string.format("%s: %s\r\n", k,v))
+		end
+	end
+	local t = type(bodyfunc)
+	if t == "string" then
+		writefunc(string.format("content-length: %d\r\n\r\n", #bodyfunc))
+		writefunc(bodyfunc)
+	elseif t == "function" then
+		writefunc("transfer-encoding: chunked\r\n")
+		while true do
+			local s = bodyfunc()
+			if s then
+				if s ~= "" then
+					writefunc(string.format("\r\n%x\r\n", #s))
+					writefunc(s)
+				end
+			else
+				writefunc("\r\n0\r\n\r\n")
+			end
+		end
+	else
+		assert(t == "nil")
+		writefunc("\r\n")
+	end
+end
+
+function httpd.write_response(...)
+	return pcall(writeall, ...)
+end
+
+return httpd

lualib/http/internal.lua

@@ -0,0 +1,135 @@
+local M = {}
+
+local LIMIT = 8192
+
+local function chunksize(readbytes, body)
+	while true do
+		if #body > 128 then
+			return
+		end
+		body = body .. readbytes()
+		local f,e = body:find("\r\n",1,true)
+		if f then
+			return tonumber(body:sub(1,f-1),16), body:sub(e+1)
+		end
+	end
+end
+
+local function readcrln(readbytes, body)
+	if #body >= 2 then
+		if body:sub(1,2) ~= "\r\n" then
+			return
+		end
+		return body:sub(3)
+	else
+		body = body .. readbytes(2-#body)
+		if body ~= "\r\n" then
+			return
+		end
+		return ""
+	end
+end
+
+function M.recvheader(readbytes, lines, header)
+	if #header >= 2 then
+		if header:find "^\r\n" then
+			return header:sub(3)
+		end
+	end
+	local result
+	local e = header:find("\r\n\r\n", 1, true)
+	if e then
+		result = header:sub(e+4)
+	else
+		while true do
+			local bytes = readbytes()
+			header = header .. bytes
+			if #header > LIMIT then
+				return
+			end
+			e = header:find("\r\n\r\n", -#bytes-3, true)
+			if e then
+				result = header:sub(e+4)
+				break
+			end
+			if header:find "^\r\n" then
+				return header:sub(3)
+			end
+		end
+	end
+	for v in header:gmatch("(.-)\r\n") do
+		if v == "" then
+			break
+		end
+		table.insert(lines, v)
+	end
+	return result
+end
+
+function M.parseheader(lines, from, header)
+	local name, value
+	for i=from,#lines do
+		local line = lines[i]
+		if line:byte(1) == 9 then	-- tab, append last line
+			if name == nil then
+				return
+			end
+			header[name] = header[name] .. line:sub(2)
+		else
+			name, value = line:match "^(.-):%s*(.*)"
+			if name == nil or value == nil then
+				return
+			end
+			name = name:lower()
+			if header[name] then
+				header[name] = header[name] .. ", " .. value
+			else
+				header[name] = value
+			end
+		end
+	end
+	return header
+end
+
+function M.recvchunkedbody(readbytes, bodylimit, header, body)
+	local result = ""
+	local size = 0
+
+	while true do
+		local sz
+		sz , body = chunksize(readbytes, body)
+		if not sz then
+			return
+		end
+		if sz == 0 then
+			break
+		end
+		size = size + sz
+		if bodylimit and size > bodylimit then
+			return
+		end
+		if #body >= sz then
+			result = result .. body:sub(1,sz)
+			body = body:sub(sz+1)
+		else
+			result = result .. body .. readbytes(sz - #body)
+			body = ""
+		end
+		body = readcrln(readbytes, body)
+		if not body then
+			return
+		end
+	end
+
+	local tmpline = {}
+	body = M.recvheader(readbytes, tmpline, body)
+	if not body then
+		return
+	end
+
+	header = M.parseheader(tmpline,1,header)
+
+	return result, header
+end
+
+return M

lualib/http/sockethelper.lua

@@ -0,0 +1,43 @@
+local socket = require "socket"
+
+local readbytes = socket.read
+local writebytes = socket.write
+
+local sockethelper = {}
+local socket_error = setmetatable({} , { __tostring = function() return "[Socket Error]" end })
+
+sockethelper.socket_error = socket_error
+
+function sockethelper.readfunc(fd)
+	return function (sz)
+		local ret = readbytes(fd, sz)
+		if ret then
+			return ret
+		else
+			error(socket_error)
+		end
+	end
+end
+
+function sockethelper.writefunc(fd)
+	return function(content)
+		local ok = writebytes(fd, content)
+		if not ok then
+			error(socket_error)
+		end
+	end
+end
+
+function sockethelper.connect(host, port)
+	local fd = socket.open(host, port)
+	if fd then
+		return fd
+	end
+	error(socket_error)
+end
+
+function sockethelper.close(fd)
+	socket.close(fd)
+end
+
+return sockethelper

lualib/http/url.lua

@@ -0,0 +1,28 @@
+local url = {}
+
+local function decode_func(c)
+	return string.char(tonumber(c, 16))
+end
+
+local function decode(str)
+	local str = str:gsub('+', ' ')
+	return str:gsub("%%(..)", decode_func)
+end
+
+function url.parse(u)
+	local path,query = u:match "([^?]*)%??(.*)"
+	if path then
+		path = decode(path)
+	end
+	return path, query
+end
+
+function url.parse_query(q)
+	local r = {}
+	for k,v in q:gmatch "(.-)=([^&]*)&?" do
+		r[decode(k)] = decode(v)
+	end
+	return r
+end
+
+return url

lualib/mongo.lua

@@ -1,96 +1,125 @@
 local bson = require "bson"
 local socket = require "socket"
-local socketchannel = require "socketchannel"
+local socketchannel	= require "socketchannel"
 local skynet = require "skynet"
 local driver = require "mongo.driver"
-local md5 = require "md5"
+local md5 =	require	"md5"
 local rawget = rawget
 local assert = assert
 
-local bson_encode = bson.encode
-local bson_encode_order = bson.encode_order
-local bson_decode = bson.decode
+local bson_encode =	bson.encode
+local bson_encode_order	= bson.encode_order
+local bson_decode =	bson.decode
 local empty_bson = bson_encode {}
 
-local mongo = {}
+local mongo	= {}
 mongo.null = assert(bson.null)
 mongo.maxkey = assert(bson.maxkey)
 mongo.minkey = assert(bson.minkey)
 mongo.type = assert(bson.type)
 
 local mongo_cursor = {}
-local cursor_meta = {
-	__index = mongo_cursor,
+local cursor_meta =	{
+	__index	= mongo_cursor,
 }
 
 local mongo_client = {}
 
-local client_meta = {
-	__index = function(self, key)
-		return rawget(mongo_client, key) or self:getDB(key)
+local client_meta =	{
+	__index	= function(self, key)
+		return rawget(mongo_client,	key) or	self:getDB(key)
 	end,
 	__tostring = function (self)
 		local port_string
 		if self.port then
-			port_string = ":" .. tostring(self.port)
+			port_string	= ":" .. tostring(self.port)
 		else
-			port_string = ""
+			port_string	= ""
 		end
 
-		return "[mongo client : " .. self.host .. port_string .."]"
+		return "[mongo client :	" .. self.host .. port_string .."]"
 	end,
-	-- DO NOT need disconnect, because channel will shutdown during gc
+	-- DO NOT need disconnect, because channel will	shutdown during	gc
 }
 
 local mongo_db = {}
 
-local db_meta = {
-	__index = function (self, key)
-		return rawget(mongo_db, key) or self:getCollection(key)
+local db_meta =	{
+	__index	= function (self, key)
+		return rawget(mongo_db,	key) or	self:getCollection(key)
 	end,
 	__tostring = function (self)
-		return "[mongo db : " .. self.name .. "]"
+		return "[mongo db :	" .. self.name .. "]"
 	end
 }
 
 local mongo_collection = {}
-local collection_meta = {
-	__index = function(self, key)
-		return rawget(mongo_collection, key) or self:getCollection(key)
-	end ,
+local collection_meta =	{
+	__index	= function(self, key)
+		return rawget(mongo_collection,	key) or	self:getCollection(key)
+	end	,
 	__tostring = function (self)
-		return "[mongo collection : " .. self.full_name .. "]"
+		return "[mongo collection :	" .. self.full_name	.. "]"
 	end
 }
 
 local function dispatch_reply(so)
-	local len_reply = so:read(4)
-	local reply = so:read(driver.length(len_reply))
-	local result = { result = {} }
-	local succ, reply_id, document, cursor_id, startfrom = driver.reply(reply, result.result)
-	result.document = document
+	local len_reply	= so:read(4)
+	local reply	= so:read(driver.length(len_reply))
+	local result = { result	= {} }
+	local succ,	reply_id, document,	cursor_id, startfrom = driver.reply(reply, result.result)
+	result.document	= document
 	result.cursor_id = cursor_id
 	result.startfrom = startfrom
-	result.data = reply
+	result.data	= reply
 	return reply_id, succ, result
 end
 
-local function mongo_auth(mongoc)
-	local user = rawget(mongoc, "username")
-	local pass = rawget(mongoc, "password")
+local function __parse_addr(addr)
+	local host,	port = string.match(addr, "([^:]+):(.+)")
+	return host, tonumber(port)
+end
+
+local function mongo_auth(mongoc)
+	local user = rawget(mongoc,	"username")
+	local pass = rawget(mongoc,	"password")
 
-	if user == nil or pass == nil then
-		return
-	end
 	return function()
-		assert(mongoc:auth(user, pass))
+		if user	~= nil and pass	~= nil then
+			assert(mongoc:auth(user, pass))
+		end
+		local rs_data =	mongoc:runCommand("ismaster")
+		if rs_data.ok == 1 then
+			if rs_data.hosts then
+				local backup = {}
+				for	_, v in	ipairs(rs_data.hosts) do
+					local host,	port = __parse_addr(v)
+					table.insert(backup, {host = host, port	= port})
+				end
+				mongoc.__sock:changebackup(backup)
+			end
+			if rs_data.ismaster	then
+				return
+			else
+				local host,	port = __parse_addr(rs_data.primary)
+				mongoc.host	= host
+				mongoc.port	= port
+				mongoc.__sock:changehost(host, port)
+			end
+		end
 	end
 end
 
-function mongo.client( conf )
-	local obj = {
-		host = conf.host,
-		port = conf.port or 27017,
+function mongo.client( conf	)
+	local first	= conf
+	local backup = nil
+	if conf.rs then
+		first =	conf.rs[1]
+		backup = conf.rs
+	end
+	local obj =	{
+		host = first.host,
+		port = first.port or 27017,
 	}
 
 	obj.__id = 0
@@ -99,9 +128,10 @@ function mongo.client( conf )
 		port = obj.port,
 		response = dispatch_reply,
 		auth = mongo_auth(obj),
+		backup = backup,
 	}
 	setmetatable(obj, client_meta)
-	obj.__sock:connect(true)	-- try connect only once
+	obj.__sock:connect(true)	-- try connect only	once
 	return obj
 end
 
@@ -109,32 +139,32 @@ function mongo_client:getDB(dbname)
 	local db = {
 		connection = self,
 		name = dbname,
-		full_name = dbname,
+		full_name =	dbname,
 		database = false,
-		__cmd = dbname .. "." .. "$cmd",
+		__cmd =	dbname .. "." .. "$cmd",
 	}
-	db.database = db
+	db.database	= db
 
-	return setmetatable(db, db_meta)
+	return setmetatable(db,	db_meta)
 end
 
 function mongo_client:disconnect()
 	if self.__sock then
 		local so = self.__sock
-		self.__sock = false
+		self.__sock	= false
 		so:close()
 	end
 end
 
 function mongo_client:genId()
 	local id = self.__id + 1
-	self.__id = id
+	self.__id =	id
 	return id
 end
 
 function mongo_client:runCommand(...)
 	if not self.admin then
-		self.admin = self:getDB "admin"
+		self.admin = self:getDB	"admin"
 	end
 	return self.admin:runCommand(...)
 end
@@ -146,14 +176,14 @@ function mongo_client:auth(user,password)
 		return false
 	end
 
-	local key = md5.sumhexa(string.format("%s%s%s",result.nonce,user,password))
+	local key =	md5.sumhexa(string.format("%s%s%s",result.nonce,user,password))
 	local result= self:runCommand ("authenticate",1,"user",user,"nonce",result.nonce,"key",key)
-	return result.ok == 1
+	return result.ok ==	1
 end
 
 function mongo_client:logout()
 	local result = self:runCommand "logout"
-	return result.ok == 1
+	return result.ok ==	1
 end
 
 function mongo_db:runCommand(cmd,cmd_v,...)
@@ -166,18 +196,18 @@ function mongo_db:runCommand(cmd,cmd_v,...)
 	else
 		bson_cmd = bson_encode_order(cmd,cmd_v,...)
 	end
-	local pack = driver.query(request_id, 0, self.__cmd, 0, 1, bson_cmd)
-	-- we must hold req (req.data), because req.document is a lightuserdata, it's a pointer to the string (req.data)
-	local req = sock:request(pack, request_id)
-	local doc = req.document
+	local pack = driver.query(request_id, 0, self.__cmd, 0,	1, bson_cmd)
+	-- we must hold	req	(req.data),	because	req.document is	a lightuserdata, it's a	pointer	to the string (req.data)
+	local req =	sock:request(pack, request_id)
+	local doc =	req.document
 	return bson_decode(doc)
 end
 
 function mongo_db:getCollection(collection)
-	local col = {
+	local col =	{
 		connection = self.connection,
 		name = collection,
-		full_name = self.full_name .. "." .. collection,
+		full_name =	self.full_name .. "." .. collection,
 		database = self.database,
 	}
 	self[collection] = setmetatable(col, collection_meta)
@@ -188,20 +218,20 @@ mongo_collection.getCollection = mongo_db.getCollection
 
 function mongo_collection:insert(doc)
 	if doc._id == nil then
-		doc._id = bson.objectid()
+		doc._id	= bson.objectid()
 	end
 	local sock = self.connection.__sock
 	local pack = driver.insert(0, self.full_name, bson_encode(doc))
-	-- flags support 1: ContinueOnError
+	-- flags support 1:	ContinueOnError
 	sock:request(pack)
 end
 
 function mongo_collection:batch_insert(docs)
-	for i=1,#docs do
+	for	i=1,#docs do
 		if docs[i]._id == nil then
-			docs[i]._id = bson.objectid()
+			docs[i]._id	= bson.objectid()
 		end
-		docs[i] = bson_encode(docs[i])
+		docs[i]	= bson_encode(docs[i])
 	end
 	local sock = self.connection.__sock
 	local pack = driver.insert(0, self.full_name, docs)
@@ -209,7 +239,7 @@ function mongo_collection:batch_insert(docs)
 end
 
 function mongo_collection:update(selector,update,upsert,multi)
-	local flags = (upsert and 1 or 0) + (multi and 2 or 0)
+	local flags	= (upsert and 1	or 0) +	(multi and 2 or	0)
 	local sock = self.connection.__sock
 	local pack = driver.update(self.full_name, flags, bson_encode(selector), bson_encode(update))
 	sock:request(pack)
@@ -225,24 +255,24 @@ function mongo_collection:findOne(query, selector)
 	local conn = self.connection
 	local request_id = conn:genId()
 	local sock = conn.__sock
-	local pack = driver.query(request_id, 0, self.full_name, 0, 1, query and bson_encode(query) or empty_bson, selector and bson_encode(selector))
-	-- we must hold req (req.data), because req.document is a lightuserdata, it's a pointer to the string (req.data)
-	local req = sock:request(pack, request_id)
-	local doc = req.document
+	local pack = driver.query(request_id, 0, self.full_name, 0,	1, query and bson_encode(query)	or empty_bson, selector	and	bson_encode(selector))
+	-- we must hold	req	(req.data),	because	req.document is	a lightuserdata, it's a	pointer	to the string (req.data)
+	local req =	sock:request(pack, request_id)
+	local doc =	req.document
 	return bson_decode(doc)
 end
 
 function mongo_collection:find(query, selector)
 	return setmetatable( {
 		__collection = self,
-		__query = query and bson_encode(query) or empty_bson,
+		__query	= query	and	bson_encode(query) or empty_bson,
 		__selector = selector and bson_encode(selector),
-		__ptr = nil,
+		__ptr =	nil,
 		__data = nil,
 		__cursor = nil,
 		__document = {},
-		__flags = 0,
-	} , cursor_meta)
+		__flags	= 0,
+	} ,	cursor_meta)
 end
 
 function mongo_cursor:hasNext()
@@ -255,42 +285,42 @@ function mongo_cursor:hasNext()
 		local sock = conn.__sock
 		local pack
 		if self.__data == nil then
-			pack = driver.query(request_id, self.__flags, self.__collection.full_name,0,0,self.__query,self.__selector)
+			pack = driver.query(request_id,	self.__flags, self.__collection.full_name,0,0,self.__query,self.__selector)
 		else
 			if self.__cursor then
 				pack = driver.more(request_id, self.__collection.full_name,0,self.__cursor)
 			else
 				-- no more
-				self.__document = nil
-				self.__data = nil
+				self.__document	= nil
+				self.__data	= nil
 				return false
 			end
 		end
 
 		local ok, result = pcall(sock.request,sock,pack, request_id)
 
-		local doc = result.document
+		local doc =	result.document
 		local cursor = result.cursor_id
 
 		if ok then
 			if doc then
-				self.__document = result.result
-				self.__data = result.data
+				self.__document	= result.result
+				self.__data	= result.data
 				self.__ptr = 1
-				self.__cursor = cursor
+				self.__cursor =	cursor
 				return true
 			else
-				self.__document = nil
-				self.__data = nil
-				self.__cursor = nil
+				self.__document	= nil
+				self.__data	= nil
+				self.__cursor =	nil
 				return false
 			end
 		else
-			self.__document = nil
-			self.__data = nil
-			self.__cursor = nil
+			self.__document	= nil
+			self.__data	= nil
+			self.__cursor =	nil
 			if doc then
-				local err = bson_decode(doc)
+				local err =	bson_decode(doc)
 				error(err["$err"])
 			else
 				error("Reply from mongod error")
@@ -303,11 +333,11 @@ end
 
 function mongo_cursor:next()
 	if self.__ptr == nil then
-		error "Call hasNext first"
+		error "Call	hasNext	first"
 	end
-	local r = bson_decode(self.__document[self.__ptr])
-	self.__ptr = self.__ptr + 1
-	if self.__ptr > #self.__document then
+	local r	= bson_decode(self.__document[self.__ptr])
+	self.__ptr = self.__ptr	+ 1
+	if self.__ptr >	#self.__document then
 		self.__ptr = nil
 	end
 

lualib/mqueue.lua

@@ -1,7 +1,7 @@
 -- This is a deprecated module, use skynet.queue instead.
 
 local skynet = require "skynet"
-local c = require "skynet.c"
+local c = require "skynet.core"
 
 local mqueue = {}
 local init_once

lualib/multicast.lua

@@ -1,5 +1,5 @@
 local skynet = require "skynet"
-local mc = require "multicast.c"
+local mc = require "multicast.core"
 
 local multicastd
 local multicast = {}

lualib/sharedata.lua

@@ -0,0 +1,43 @@
+local skynet = require "skynet"
+local sd = require "sharedata.corelib"
+
+local service
+
+skynet.init(function()
+	service = skynet.uniqueservice "sharedatad"
+end)
+
+local sharedata = {}
+
+local function monitor(name, obj, cobj)
+	local newobj = cobj
+	while true do
+		newobj = skynet.call(service, "lua", "monitor", name, newobj)
+		if newobj == nil then
+			break
+		end
+		sd.update(obj, newobj)
+	end
+end
+
+function sharedata.query(name)
+	local obj = skynet.call(service, "lua", "query", name)
+	local r = sd.box(obj)
+	skynet.send(service, "lua", "confirm" , obj)
+	skynet.fork(monitor,name, r, obj)
+	return r
+end
+
+function sharedata.new(name, v)
+	skynet.call(service, "lua", "new", name, v)
+end
+
+function sharedata.update(name, v)
+	skynet.call(service, "lua", "update", name, v)
+end
+
+function sharedata.delete(name)
+	skynet.call(service, "lua", "delete", name)
+end
+
+return sharedata

lualib/sharedata/corelib.lua

@@ -0,0 +1,134 @@
+local core = require "sharedata.core"
+local type = type
+local next = next
+local rawget = rawget
+
+local conf = {}
+
+conf.host = {
+	new = core.new,
+	delete = core.delete,
+	getref = core.getref,
+	markdirty = core.markdirty,
+	incref = core.incref,
+	decref = core.decref,
+}
+
+local meta = {}
+
+local isdirty = core.isdirty
+local index = core.index
+local needupdate = core.needupdate
+local len = core.len
+
+local function findroot(self)
+	while self.__parent do
+		self = self.__parent
+	end
+	return self
+end
+
+local function update(root, cobj, gcobj)
+	root.__obj = cobj
+	root.__gcobj = gcobj
+	-- don't use pairs
+	for k,v in next, root do
+		if type(v)=="table" and k~="__parent" then
+			local pointer = index(cobj, k)
+			if type(pointer) == "userdata" then
+				update(v, pointer, gcobj)
+			else
+				root[k] = nil
+			end
+		end
+	end
+end
+
+local function genkey(self)
+	local key = tostring(self.__key)
+	while self.__parent do
+		self = self.__parent
+		key = self.__key .. "." .. key
+	end
+	return key
+end
+
+function meta:__index(key)
+	local obj = self.__obj
+	if isdirty(obj) then
+		local newobj, newtbl = needupdate(self.__gcobj)
+		if newobj then
+			local newgcobj = newtbl.__gcobj
+			-- todo: update
+			local root = findroot(self)
+			update(root, newobj, newgcobj)
+			if obj == self.__obj then
+				error ("The key [" .. genkey(self) .. "] doesn't exist after update")
+			end
+		end
+	end
+	local v = index(self.__obj, key)
+	if type(v) == "userdata" then
+		local r = setmetatable({
+			__obj = v,
+			__gcobj = self.__gcobj,
+			__parent = self,
+			__key = key,
+		}, meta)
+		self[key] = r
+		return r
+	else
+		return v
+	end
+end
+
+function meta:__len()
+	return len(self.__obj)
+end
+
+local function conf_ipairs(self, index)
+	local obj = self.__obj
+	index = index + 1
+	local value =  rawget(self, index)
+	if value then
+		return index, value
+	end
+	local sz = len(obj)
+	if sz < index then
+		return
+	end
+	return index, self[index]
+end
+
+function meta:__ipairs()
+	return conf_ipairs, self, 0
+end
+
+function meta:__pairs()
+	return conf.next, self, nil
+end
+
+function conf.next(obj, key)
+	local nextkey = core.nextkey(obj.__obj, key)
+	if nextkey then
+		return nextkey, obj[nextkey]
+	end
+end
+
+function conf.box(obj)
+	local gcobj = core.box(obj)
+	return setmetatable({
+		__parent = false,
+		__obj = obj,
+		__gcobj = gcobj,
+		__key = "",
+	} , meta)
+end
+
+function conf.update(self, pointer)
+	local cobj = self.__obj
+	assert(isdirty(cobj), "Obly dirty object can be update")
+	core.update(self.__gcobj, pointer, { __gcobj = core.box(pointer) })
+end
+
+return conf

lualib/skynet.lua

@@ -1,4 +1,4 @@
-local c = require "skynet.c"
+local c = require "skynet.core"
 local tostring = tostring
 local tonumber = tonumber
 local coroutine = coroutine
@@ -43,12 +43,14 @@ end
 local session_id_coroutine = {}
 local session_coroutine_id = {}
 local session_coroutine_address = {}
+local session_response = {}
 
 local wakeup_session = {}
 local sleep_session = {}
 
 local watching_service = {}
 local watching_session = {}
+local dead_service = {}
 local error_queue = {}
 
 -- suspend is function
@@ -73,7 +75,9 @@ local function _error_dispatch(error_session, error_source)
 	if error_session == 0 then
 		-- service is down
 		--  Don't remove from watching_service , because user may call dead service
-		watching_service[error_source] = false
+		if watching_service[error_source] then
+			dead_service[error_source] = true
+		end
 		for session, srv in pairs(watching_session) do
 			if srv == error_source then
 				table.insert(error_queue, session)
@@ -95,6 +99,7 @@ local coroutine_yield = coroutine.yield
 local function co_create(f)
 	local co = table.remove(coroutine_pool)
 	if co == nil then
+		local print = print
 		co = coroutine.create(function(...)
 			f(...)
 			while true do
@@ -122,12 +127,24 @@ local function dispatch_wakeup()
 	end
 end
 
+local function release_watching(address)
+	local ref = watching_service[address]
+	if ref then
+		ref = ref - 1
+		if ref > 0 then
+			watching_service[address] = ref
+		else
+			watching_service[address] = nil
+		end
+	end
+end
+
 -- suspend is local function
 function suspend(co, result, command, param, size)
 	if not result then
 		local session = session_coroutine_id[co]
 		local addr = session_coroutine_address[co]
-		if session and session ~= 0  then
+		if session then
 			c.send(addr, skynet.PTYPE_ERROR, session, "")
 		end
 		session_coroutine_id[co] = nil
@@ -142,15 +159,70 @@ function suspend(co, result, command, param, size)
 	elseif command == "RETURN" then
 		local co_session = session_coroutine_id[co]
 		local co_address = session_coroutine_address[co]
-		if param == nil then
+		if param == nil or session_response[co] then
 			error(debug.traceback(co))
 		end
-		c.send(co_address, skynet.PTYPE_RESPONSE, co_session, param, size)
-		return suspend(co, coroutine.resume(co))
+		session_response[co] = true
+		local ret
+		if not dead_service[co_address] then
+			ret = c.send(co_address, skynet.PTYPE_RESPONSE, co_session, param, size) >= 0
+		elseif size == nil then
+			c.trash(param, size)
+			ret = false
+		end
+		return suspend(co, coroutine.resume(co, ret))
+	elseif command == "RESPONSE" then
+		local co_session = session_coroutine_id[co]
+		local co_address = session_coroutine_address[co]
+		if session_response[co] then
+			error(debug.traceback(co))
+		end
+		local f = param
+		local function response(ok, ...)
+			if ok == "TEST" then
+				if dead_service[co_address] then
+					release_watching(co_address)
+					f = false
+					return false
+				else
+					return true
+				end
+			end
+			if not f then
+				if f == false then
+					f = nil
+					return false
+				end
+				error "Can't response more than once"
+			end
+
+			local ret
+			if not dead_service[co_address] then
+				if ok then
+					ret = c.send(co_address, skynet.PTYPE_RESPONSE, co_session, f(...)) >=0
+				else
+					ret = c.send(co_address, skynet.PTYPE_ERROR, co_session, "") >=0
+				end
+			else
+				ret = false
+			end
+			release_watching(co_address)
+			f = nil
+			return ret
+		end
+		watching_service[co_address] = watching_service[co_address] + 1
+		session_response[co] = response
+		return suspend(co, coroutine.resume(co, response))
 	elseif command == "EXIT" then
 		-- coroutine exit
+		local address = session_coroutine_address[co]
+		release_watching(address)
 		session_coroutine_id[co] = nil
 		session_coroutine_address[co] = nil
+		session_response[co] = nil
+	elseif command == "QUIT" then
+		-- service exit
+		return
 	else
 		error("Unknown command : " .. command .. "\n" .. debug.traceback(co))
 	end
@@ -256,14 +328,24 @@ end
 
 function skynet.exit()
 	skynet.send(".launcher","lua","REMOVE",skynet.self())
+	-- report the sources that call me
 	for co, session in pairs(session_coroutine_id) do
 		local address = session_coroutine_address[co]
-		local self = skynet.self()
 		if session~=0 and address then
-			skynet.redirect(address, self, "error", session, "")
+			c.redirect(address, 0, skynet.PTYPE_ERROR, session, "")
 		end
 	end
+	-- report the sources I call but haven't return
+	local tmp = {}
+	for session, address in pairs(watching_session) do
+		tmp[address] = true
+	end
+	for address in pairs(tmp) do
+		c.redirect(address, 0, skynet.PTYPE_ERROR, 0, "")
+	end
 	c.command("EXIT")
+	-- quit service
+	coroutine_yield "QUIT"
 end
 
 function skynet.kill(name)
@@ -289,9 +371,6 @@ end
 
 function skynet.send(addr, typename, ...)
 	local p = proto[typename]
-	if watching_service[addr] == false then
-		error("Service is dead")
-	end
 	return c.send(addr, p.id, 0 , p.pack(...))
 end
 
@@ -316,9 +395,6 @@ end
 
 function skynet.call(addr, typename, ...)
 	local p = proto[typename]
-	if watching_service[addr] == false then
-		error("Service is dead")
-	end
 	local session = c.send(addr, p.id , nil , p.pack(...))
 	if session == nil then
 		error("call to invalid address " .. skynet.address(addr))
@@ -328,16 +404,18 @@ end
 
 function skynet.rawcall(addr, typename, msg, sz)
 	local p = proto[typename]
-	if watching_service[addr] == false then
-		error("Service is dead")
-	end
 	local session = assert(c.send(addr, p.id , nil , msg, sz), "call to invalid address")
 	return yield_call(addr, session)
 end
 
 function skynet.ret(msg, sz)
 	msg = msg or ""
-	coroutine_yield("RETURN", msg, sz)
+	return coroutine_yield("RETURN", msg, sz)
+end
+
+function skynet.response(pack)
+	pack = pack or skynet.pack
+	return coroutine_yield("RESPONSE", pack)
 end
 
 function skynet.retpack(...)
@@ -407,6 +485,12 @@ local function raw_dispatch_message(prototype, msg, sz, session, source, ...)
 		local p = assert(proto[prototype], prototype)
 		local f = p.dispatch
 		if f then
+			local ref = watching_service[source]
+			if ref then
+				watching_service[source] = ref + 1
+			else
+				watching_service[source] = 1
+			end
 			local co = co_create(f)
 			session_coroutine_id[co] = session
 			session_coroutine_address[co] = source
@@ -465,7 +549,7 @@ end
 
 function skynet.address(addr)
 	if type(addr) == "number" then
-		return string.format(":%x",addr)
+		return string.format(":%08x",addr)
 	else
 		return tostring(addr)
 	end
@@ -565,6 +649,21 @@ function skynet.filter(f ,start_func)
 	end)
 end
 
+function skynet.forward_type(map, start_func)
+	c.callback(function(ptype, msg, sz, ...)
+		local prototype = map[ptype]
+		if prototype then
+			dispatch_message(prototype, msg, sz, ...)
+		else
+			dispatch_message(ptype, msg, sz, ...)
+			c.trash(msg, sz)
+		end
+	end, true)
+	skynet.timeout(0, function()
+		init_service(start_func)
+	end)
+end
+
 function skynet.endless()
 	return c.command("ENDLESS")~=nil
 end
@@ -602,6 +701,6 @@ end
 
 -- Inject internal debug framework
 local debug = require "skynet.debug"
-debug(skynet)
+debug(skynet, dispatch_message)
 
 return skynet

lualib/skynet/debug.lua

@@ -1,4 +1,8 @@
-return function (skynet)
+local io = io
+local table = table
+local debug = debug
+
+return function (skynet, dispatch_func)
 
 local internal_info_func
 
@@ -39,6 +43,17 @@ function dbgcmd.INFO()
 	end
 end
 
+function dbgcmd.EXIT()
+	skynet.exit()
+end
+
+function dbgcmd.RUN(source, filename)
+	local inject = require "skynet.inject"
+	local output = inject(source, filename , dispatch_func, skynet.register_protocol)
+	collectgarbage "collect"
+	skynet.ret(skynet.pack(table.concat(output, "\n")))
+end
+
 local function _debug_dispatch(session, address, cmd, ...)
 	local f = dbgcmd[cmd]
 	assert(f, cmd)
@@ -53,4 +68,4 @@ skynet.register_protocol {
 	dispatch = _debug_dispatch,
 }
 
-end
+end

lualib/skynet/harbor.lua

@@ -4,15 +4,19 @@ local harbor = {}
 
 function harbor.globalname(name, handle)
 	handle = handle or skynet.self()
-	skynet.send(".slave", "lua", "REGISTER", name, handle)
+	skynet.send(".cslave", "lua", "REGISTER", name, handle)
+end
+
+function harbor.queryname(name)
+	return skynet.call(".cslave", "lua", "QUERYNAME", name)
 end
 
 function harbor.link(id)
-	skynet.call(".slave", "lua", "LINK", id)
+	skynet.call(".cslave", "lua", "LINK", id)
 end
 
 function harbor.connect(id)
-	skynet.call(".slave", "lua", "CONNECT", id)
+	skynet.call(".cslave", "lua", "CONNECT", id)
 end
 
 return harbor

lualib/skynet/inject.lua

@@ -0,0 +1,65 @@
+local function getupvaluetable(u, func, unique)
+	i = 1
+	while true do
+		local name, value = debug.getupvalue(func, i)
+		if name == nil then
+			return
+		end
+		local t = type(value)
+		if t == "table" then
+			u[name] = value
+		elseif t == "function" then
+			if not unique[value] then
+				unique[value] = true
+				getupvaluetable(u, value, unique)
+			end
+		end
+		i=i+1
+	end
+end
+
+return function(source, filename , ...)
+	if filename then
+		filename = "@" .. filename
+	else
+		filename = "=(load)"
+	end
+	local output = {}
+
+	local function print(...)
+		local value = { ... }
+		for k,v in ipairs(value) do
+			value[k] = tostring(v)
+		end
+		table.insert(output, table.concat(value, "\t"))
+	end
+	local u = {}
+	local unique = {}
+	local funcs = { ... }
+	for k, func in ipairs(funcs) do
+		getupvaluetable(u, func, unique)
+	end
+	local p = {}
+	local proto = u.proto
+	if proto then
+		for k,v in pairs(proto) do
+			local name, dispatch = v.name, v.dispatch
+			if name and dispatch then
+				local pp = {}
+				p[name] = pp
+				getupvaluetable(pp, dispatch, unique)
+			end
+		end
+	end
+	local env = setmetatable( { print = print , _U = u, _P = p}, { __index = _ENV })
+	local func, err = load(source, filename, "bt", env)
+	if not func then
+		return { err }
+	end
+	local ok, err = xpcall(func, debug.traceback)
+	if not ok then
+		table.insert(output, err)
+	end
+
+	return output
+end

lualib/snax/gateserver.lua

@@ -0,0 +1,130 @@
+local skynet = require "skynet"
+local netpack = require "netpack"
+local socketdriver = require "socketdriver"
+
+local gateserver = {}
+
+local socket	-- listen socket
+local queue		-- message queue
+local maxclient	-- max client
+local client_number = 0
+local CMD = setmetatable({}, { __gc = function() netpack.clear(queue) end })
+local nodelay = false
+
+local connection = {}
+
+function gateserver.openclient(fd)
+	if connection[fd] then
+		socketdriver.start(fd)
+	end
+end
+
+function gateserver.closeclient(fd)
+	local c = connection[fd]
+	if c then
+		connection[fd] = false
+		socketdriver.close(fd)
+	end
+end
+
+function gateserver.start(handler)
+	assert(handler.message)
+	assert(handler.connect)
+
+	function CMD.open( source, conf )
+		assert(not socket)
+		local address = conf.address or "0.0.0.0"
+		local port = assert(conf.port)
+		maxclient = conf.maxclient or 1024
+		nodelay = conf.nodelay
+		socket = socketdriver.listen(address, port)
+		socketdriver.start(socket)
+		if handler.open then
+			return handler.open(source, conf)
+		end
+	end
+
+	function CMD.close()
+		assert(socket)
+		socketdriver.close(socket)
+		socket = nil
+	end
+
+	local MSG = {}
+
+	function MSG.data(fd, msg, sz)
+		if connection[fd] then
+			handler.message(fd, msg, sz)
+		end
+	end
+
+	function MSG.more()
+		for fd, msg, sz in netpack.pop, queue do
+			if connection[fd] then
+				handler.message(fd, msg, sz)
+			end
+		end
+	end
+
+	function MSG.open(fd, msg)
+		if client_number >= maxclient then
+			socketdriver.close(fd)
+			return
+		end
+		if nodelay then
+			socketdriver.nodelay(fd)
+		end
+		connection[fd] = true
+		client_number = client_number + 1
+		handler.connect(fd, msg)
+	end
+
+	local function close_fd(fd)
+		local c = connection[fd]
+		if c ~= nil then
+			connection[fd] = nil
+			client_number = client_number - 1
+		end
+	end
+
+	function MSG.close(fd)
+		if handler.disconnect then
+			handler.disconnect(fd)
+		end
+		close_fd(fd)
+	end
+
+	function MSG.error(fd, msg)
+		if handler.error then
+			handler.error(fd)
+		end
+		close_fd(fd)
+	end
+
+	skynet.register_protocol {
+		name = "socket",
+		id = skynet.PTYPE_SOCKET,	-- PTYPE_SOCKET = 6
+		unpack = function ( msg, sz )
+			return netpack.filter( queue, msg, sz)
+		end,
+		dispatch = function (_, _, q, type, ...)
+			queue = q
+			if type then
+				MSG[type](...)
+			end
+		end
+	}
+
+	skynet.start(function()
+		skynet.dispatch("lua", function (_, address, cmd, ...)
+			local f = CMD[cmd]
+			if f then
+				skynet.ret(skynet.pack(f(address, ...)))
+			else
+				skynet.ret(skynet.pack(handler.command(cmd, address, ...)))
+			end
+		end)
+	end)
+end
+
+return gateserver

lualib/snax/hotfix.lua

@@ -3,7 +3,21 @@ local io = io
 
 local hotfix = {}
 
-local function collect_uv(f , uv)
+local function envid(f)
+	local i = 1
+	while true do
+		local name, value = debug.getupvalue(f, i)
+		if name == nil then
+			return
+		end
+		if name == "_ENV" then
+			return debug.upvalueid(f, i)
+		end
+		i = i + 1
+	end
+end
+
+local function collect_uv(f , uv, env)
 	local i = 1
 	while true do
 		local name, value = debug.getupvalue(f, i)
@@ -18,7 +32,9 @@ local function collect_uv(f , uv)
 			uv[name] = { func = f, index = i, id = id }
 
 			if type(value) == "function" then
-				collect_uv(value, uv)
+				if envid(value) == env then
+					collect_uv(value, uv, env)
+				end
 			end
 		end
 
@@ -30,7 +46,7 @@ local function collect_all_uv(funcs)
 	local global = {}
 	for _, v in pairs(funcs) do
 		if v[4] then
-			collect_uv(v[4], global)
+			collect_uv(v[4], global, envid(v[4]))
 		end
 	end
 

lualib/snax/interface.lua

@@ -61,6 +61,8 @@ return function (name , G, loader)
 
 	setmetatable(G,	{ __index = env , __newindex = init_system })
 
+	local pattern
+
 	do
 		local path = skynet.getenv "snax"
 
@@ -70,6 +72,7 @@ return function (name , G, loader)
 			local filename = string.gsub(pat, "?", name)
 			local f , err = loader(filename, "bt", G)
 			if f then
+				pattern = pat
 				mainfunc = f
 				break
 			else
@@ -90,5 +93,5 @@ return function (name , G, loader)
 		G[k] = v
 	end
 
-	return func
+	return func, pattern
 end

lualib/snax/loginserver.lua

@@ -0,0 +1,191 @@
+local skynet = require "skynet"
+local socket = require "socket"
+local crypt = require "crypt"
+local table = table
+local string = string
+local assert = assert
+
+--[[
+
+Protocol:
+
+	line (\n) based text protocol
+
+	1. Server->Client : base64(8bytes random challenge)
+	2. Client->Server : base64(8bytes handshake client key)
+	3. Server: Gen a 8bytes handshake server key
+	4. Server->Client : base64(DH-Exchange(server key))
+	5. Server/Client secret := DH-Secret(client key/server key)
+	6. Client->Server : base64(HMAC(challenge, secret))
+	7. Client->Server : DES(secret, base64(token))
+	8. Server : call auth_handler(token) -> server, uid (A user defined method)
+	9. Server : call login_handler(server, uid, secret) ->subid (A user defined method)
+	10. Server->Client : 200 base64(subid)
+
+Error Code:
+	400 Bad Request . challenge failed
+	401 Unauthorized . unauthorized by auth_handler
+	403 Forbidden . login_handler failed
+	406 Not Acceptable . already in login (disallow multi login)
+
+Success:
+	200 base64(subid)
+]]
+
+local socket_error = {}
+local function assert_socket(v, fd)
+	if v then
+		return v
+	else
+		skynet.error(string.format("auth failed: socket (fd = %d) closed", fd))
+		error(socket_error)
+	end
+end
+
+local function write(fd, text)
+	assert_socket(socket.write(fd, text), fd)
+end
+
+local function launch_slave(auth_handler)
+	local function auth(fd, addr)
+		fd = assert(tonumber(fd))
+		skynet.error(string.format("connect from %s (fd = %d)", addr, fd))
+		socket.start(fd)
+
+		-- set socket buffer limit (8K)
+		-- If the attacker send large package, close the socket
+		socket.limit(fd, 8192)
+
+		local challenge = crypt.randomkey()
+		write(fd, crypt.base64encode(challenge).."\n")
+
+		local handshake = assert_socket(socket.readline(fd), fd)
+		local clientkey = crypt.base64decode(handshake)
+		if #clientkey ~= 8 then
+			error "Invalid client key"
+		end
+		local serverkey = crypt.randomkey()
+		write(fd, crypt.base64encode(crypt.dhexchange(serverkey)).."\n")
+
+		local secret = crypt.dhsecret(clientkey, serverkey)
+
+		local response = assert_socket(socket.readline(fd), fd)
+		local hmac = crypt.hmac64(challenge, secret)
+
+		if hmac ~= crypt.base64decode(response) then
+			write(fd, "400 Bad Request\n")
+			error "challenge failed"
+		end
+
+		local etoken = assert_socket(socket.readline(fd),fd)
+
+		local token = crypt.desdecode(secret, crypt.base64decode(etoken))
+
+		local ok, server, uid =  pcall(auth_handler,token)
+
+		socket.abandon(fd)
+		return ok, server, uid, secret
+	end
+
+	local function ret_pack(ok, err, ...)
+		if ok then
+			skynet.ret(skynet.pack(err, ...))
+		elseif err ~= socket_error then
+			error(err)
+		end
+	end
+
+	skynet.dispatch("lua", function(_,_,...)
+		ret_pack(pcall(auth, ...))
+	end)
+end
+
+local user_login = {}
+
+local function accept(conf, s, fd, addr)
+	-- call slave auth
+	local ok, server, uid, secret = skynet.call(s, "lua",  fd, addr)
+	socket.start(fd)
+
+	if not ok then
+		write(fd, "401 Unauthorized\n")
+		error(server)
+	end
+
+	if not conf.multilogin then
+		if user_login[uid] then
+			write(fd, "406 Not Acceptable\n")
+			error(string.format("User %s is already login", uid))
+		end
+
+		user_login[uid] = true
+	end
+
+	local ok, err = pcall(conf.login_handler, server, uid, secret)
+	-- unlock login
+	user_login[uid] = nil
+
+	if ok then
+		err = err or ""
+		write(fd,  "200 "..crypt.base64encode(err).."\n")
+	else
+		write(fd,  "403 Forbidden\n")
+		error(err)
+	end
+end
+
+local function launch_master(conf)
+	local instance = conf.instance or 8
+	assert(instance > 0)
+	local host = conf.host or "0.0.0.0"
+	local port = assert(tonumber(conf.port))
+	local slave = {}
+	local balance = 1
+
+	skynet.dispatch("lua", function(_,source,command, ...)
+		skynet.ret(skynet.pack(conf.command_handler(command, ...)))
+	end)
+
+	for i=1,instance do
+		table.insert(slave, skynet.newservice(SERVICE_NAME))
+	end
+
+	skynet.error(string.format("login server listen at : %s %d", host, port))
+	local id = socket.listen(host, port)
+	socket.start(id , function(fd, addr)
+		local s = slave[balance]
+		balance = balance + 1
+		if balance > #slave then
+			balance = 1
+		end
+		local ok, err = pcall(accept, conf, s, fd, addr)
+		if not ok then
+			if err ~= socket_error then
+				skynet.error(string.format("invalid client (fd = %d) error = %s", fd, err))
+			end
+		end
+		socket.close(fd)
+	end)
+end
+
+local function login(conf)
+	local name = "." .. (conf.name or "login")
+	skynet.start(function()
+		local loginmaster = skynet.localname(name)
+		if loginmaster then
+			local auth_handler = assert(conf.auth_handler)
+			launch_master = nil
+			conf = nil
+			launch_slave(auth_handler)
+		else
+			launch_slave = nil
+			conf.auth_handler = nil
+			assert(conf.login_handler)
+			assert(conf.command_handler)
+			skynet.register(name)
+			launch_master(conf)
+		end
+	end)
+end
+
+return login

lualib/snax/msgserver.lua

@@ -0,0 +1,318 @@
+local skynet = require "skynet"
+local gateserver = require "snax.gateserver"
+local netpack = require "netpack"
+local crypt = require "crypt"
+local socketdriver = require "socketdriver"
+local assert = assert
+local b64encode = crypt.base64encode
+local b64decode = crypt.base64decode
+
+--[[
+
+Protocol:
+
+	All the number type is big-endian
+
+	Shakehands (The first package)
+
+	Client -> Server :
+
+	base64(uid)@base64(server)#base64(subid):index:base64(hmac)
+
+	Server -> Client
+
+	XXX ErrorCode
+		404 User Not Found
+		403 Index Expired
+		401 Unauthorized
+		400 Bad Request
+		200 OK
+
+	Req-Resp
+
+	Client -> Server : Request
+		word size (Not include self)
+		string content (size-4)
+		dword session
+
+	Server -> Client : Response
+		word size (Not include self)
+		string content (size-5)
+		byte ok (1 is ok, 0 is error)
+		dword session
+
+API:
+	server.userid(username)
+		return uid, subid, server
+
+	server.username(uid, subid, server)
+		return username
+
+	server.login(username, secret)
+		update user secret
+
+	server.logout(username)
+		user logout
+
+	server.ip(username)
+		return ip when connection establish, or nil
+
+	server.start(conf)
+		start server
+
+Supported skynet command:
+	kick username (may used by loginserver)
+	login username secret  (used by loginserver)
+	logout username (used by agent)
+
+Config for server.start:
+	conf.expired_number : the number of the response message cached after sending out (default is 128)
+	conf.login_handler(uid, secret) -> subid : the function when a new user login, alloc a subid for it. (may call by login server)
+	conf.logout_handler(uid, subid) : the functon when a user logout. (may call by agent)
+	conf.kick_handler(uid, subid) : the functon when a user logout. (may call by login server)
+	conf.request_handler(username, session, msg, sz) : the function when recv a new request.
+	conf.register_handler(servername) : call when gate open
+	conf.disconnect_handler(username) : call when a connection disconnect (afk)
+]]
+
+local server = {}
+
+skynet.register_protocol {
+	name = "client",
+	id = skynet.PTYPE_CLIENT,
+}
+
+local user_online = {}
+local handshake = {}
+local connection = {}
+
+function server.userid(username)
+	-- base64(uid)@base64(server)#base64(subid)
+	local uid, servername, subid = username:match "([^@]*)@([^#]*)#(.*)"
+	return b64decode(uid), b64decode(subid), b64decode(servername)
+end
+
+function server.username(uid, subid, servername)
+	return string.format("%s@%s#%s", b64encode(uid), b64encode(servername), b64encode(tostring(subid)))
+end
+
+function server.logout(username)
+	local u = user_online[username]
+	user_online[username] = nil
+	if u.fd then
+		gateserver.closeclient(u.fd)
+		connection[u.fd] = nil
+	end
+end
+
+function server.login(username, secret)
+	assert(user_online[username] == nil)
+	user_online[username] = {
+		secret = secret,
+		version = 0,
+		index = 0,
+		username = username,
+		response = {},	-- response cache
+	}
+end
+
+function server.ip(username)
+	local u = user_online[username]
+	if u and u.fd then
+		return u.ip
+	end
+end
+
+function server.start(conf)
+	local expired_number = conf.expired_number or 128
+
+	local handler = {}
+
+	local CMD = {
+		login = assert(conf.login_handler),
+		logout = assert(conf.logout_handler),
+		kick = assert(conf.kick_handler),
+	}
+
+	function handler.command(cmd, source, ...)
+		local f = assert(CMD[cmd])
+		return f(...)
+	end
+
+	function handler.open(source, gateconf)
+		local servername = assert(gateconf.servername)
+		return conf.register_handler(servername)
+	end
+
+	function handler.connect(fd, addr)
+		handshake[fd] = addr
+		gateserver.openclient(fd)
+	end
+
+	function handler.disconnect(fd)
+		handshake[fd] = nil
+		local c = connection[fd]
+		if c then
+			c.fd = nil
+			connection[fd] = nil
+			if conf.disconnect_handler then
+				conf.disconnect_handler(c.username)
+			end
+		end
+	end
+
+	handler.error = handler.disconnect
+
+	-- atomic , no yield
+	local function do_auth(fd, message, addr)
+		local username, index, hmac = string.match(message, "([^:]*):([^:]*):([^:]*)")
+		local u = user_online[username]
+		if u == nil then
+			return "404 User Not Found"
+		end
+		local idx = assert(tonumber(index))
+		hmac = b64decode(hmac)
+
+		if idx <= u.version then
+			return "403 Index Expired"
+		end
+
+		local text = string.format("%s:%s", username, index)
+		local v = crypt.hmac64(crypt.hashkey(text), u.secret)
+		if v ~= hmac then
+			return "401 Unauthorized"
+		end
+
+		u.version = idx
+		u.fd = fd
+		u.ip = addr
+		connection[fd] = u
+	end
+
+	local function auth(fd, addr, msg, sz)
+		local message = netpack.tostring(msg, sz)
+		local ok, result = pcall(do_auth, fd, message, addr)
+		if not ok then
+			skynet.error(result)
+			result = "400 Bad Request"
+		end
+
+		local close = result ~= nil
+
+		if result == nil then
+			result = "200 OK"
+		end
+
+		socketdriver.send(fd, netpack.pack(result))
+
+		if close then
+			gateserver.closeclient(fd)
+		end
+	end
+
+	local request_handler = assert(conf.request_handler)
+
+	-- u.response is a struct { return_fd , response, version, index }
+	local function retire_response(u)
+		if u.index >= expired_number * 2 then
+			local max = 0
+			local response = u.response
+			for k,p in pairs(response) do
+				if p[1] == nil then
+					-- request complete, check expired
+					if p[4] < expired_number then
+						response[k] = nil
+					else
+						p[4] = p[4] - expired_number
+						if p[4] > max then
+							max = p[4]
+						end
+					end
+				end
+			end
+			u.index = max + 1
+		end
+	end
+
+	local function do_request(fd, msg, sz)
+		local u = assert(connection[fd], "invalid fd")
+		local msg_sz = sz - 4
+		local session = netpack.tostring(msg, sz, msg_sz)
+		local p = u.response[session]
+		if p then
+			-- session can be reuse in the same connection
+			if p[3] == u.version then
+				local last = u.response[session]
+				u.response[session] = nil
+				p = nil
+				if last[2] == nil then
+					local error_msg = string.format("Conflict session %s", crypt.hexencode(session))
+					skynet.error(error_msg)
+					error(error_msg)
+				end
+			end
+		end
+
+		if p == nil then
+			p = { fd }
+			u.response[session] = p
+			local ok, result = pcall(conf.request_handler, u.username, msg, msg_sz)
+			result = result or ""
+			-- NOTICE: YIELD here, socket may close.
+			if not ok then
+				skynet.error(result)
+				result = "\0" .. session
+			else
+				result = result .. '\1' .. session
+			end
+
+			p[2] = netpack.pack_string(result)
+			p[3] = u.version
+			p[4] = u.index
+		else
+			netpack.tostring(msg, sz) -- request before, so free msg
+			-- update version/index, change return fd.
+			-- resend response.
+			p[1] = fd
+			p[3] = u.version
+			p[4] = u.index
+			if p[2] == nil then
+				-- already request, but response is not ready
+				return
+			end
+		end
+		u.index = u.index + 1
+		-- the return fd is p[1] (fd may change by multi request) check connect
+		fd = p[1]
+		if connection[fd] then
+			socketdriver.send(fd, p[2])
+		end
+		p[1] = nil
+		retire_response(u)
+	end
+
+	local function request(fd, msg, sz)
+		local ok, err = pcall(do_request, fd, msg, sz)
+		-- not atomic, may yield
+		if not ok then
+			skynet.error(string.format("Invalid package %s : %s", err, netpack.tostring(msg, sz)))
+			if connection[fd] then
+				gateserver.closeclient(fd)
+			end
+		end
+	end
+
+	function handler.message(fd, msg, sz)
+		local addr = handshake[fd]
+		if addr then
+			auth(fd,addr,msg,sz)
+			handshake[fd] = nil
+		else
+			request(fd, msg, sz)
+		end
+	end
+
+	return gateserver.start(handler)
+end
+
+return server

lualib/socket.lua

@@ -2,7 +2,6 @@ local driver = require "socketdriver"
 local skynet = require "skynet"
 local assert = assert
 
-local buffer_limit = -1
 local socket = {}	-- api
 local buffer_pool = {}	-- store all message buffer object
 local socket_pool = setmetatable( -- store all socket object
@@ -48,13 +47,7 @@ socket_message[1] = function(id, size, data)
 		return
 	end
 
-	local ok , sz = pcall(driver.push, s.buffer, buffer_pool, data, size)
-	if not ok then
-		skynet.error("socket: error on ", id , sz)
-		driver.clear(s.buffer,buffer_pool)
-		driver.close(id)
-		return
-	end
+	local sz = driver.push(s.buffer, buffer_pool, data, size)
 	local rr = s.read_required
 	local rrt = type(rr)
 	if rrt == "number" then
@@ -63,11 +56,19 @@ socket_message[1] = function(id, size, data)
 			s.read_required = nil
 			wakeup(s)
 		end
-	elseif rrt == "string" then
-		-- read line
-		if driver.readline(s.buffer,nil,rr) then
-			s.read_required = nil
-			wakeup(s)
+	else
+		if s.buffer_limit and sz > s.buffer_limit then
+			skynet.error(string.format("socket buffer overlow: fd=%d size=%d", id , sz))
+			driver.clear(s.buffer,buffer_pool)
+			driver.close(id)
+			return
+		end
+		if rrt == "string" then
+			-- read line
+			if driver.readline(s.buffer,nil,rr) then
+				s.read_required = nil
+				wakeup(s)
+			end
 		end
 	end
 end
@@ -130,7 +131,7 @@ skynet.register_protocol {
 local function connect(id, func)
 	local newbuffer
 	if func == nil then
-		newbuffer = driver.buffer(buffer_limit)
+		newbuffer = driver.buffer()
 	end
 	local s = {
 		id = id,
@@ -206,6 +207,27 @@ end
 function socket.read(id, sz)
 	local s = socket_pool[id]
 	assert(s)
+	if sz == nil then
+		-- read some bytes
+		local ret = driver.readall(s.buffer, buffer_pool)
+		if ret ~= "" then
+			return ret
+		end
+
+		if not s.connected then
+			return false, ret
+		end
+		assert(not s.read_required)
+		s.read_required = 0
+		suspend(s)
+		ret = driver.readall(s.buffer, buffer_pool)
+		if ret ~= "" then
+			return ret
+		else
+			return false, ret
+		end
+	end
+
 	local ret = driver.pop(s.buffer, buffer_pool, sz)
 	if ret then
 		return ret
@@ -325,8 +347,9 @@ function socket.abandon(id)
 	socket_pool[id] = nil
 end
 
-function socket.limit(limit)
-	buffer_limit = limit
+function socket.limit(id, limit)
+	local s = assert(socket_pool[id])
+	s.buffer_limit = limit
 end
 
 return socket

lualib/socketchannel.lua

@@ -26,6 +26,7 @@ function socket_channel.channel(desc)
 	local c = {
 		__host = assert(desc.host),
 		__port = assert(desc.port),
+		__backup = desc.backup,
 		__auth = desc.auth,
 		__response = desc.response,	-- It's for session mode
 		__request = {},	-- request seq { response func or session }	-- It's for order mode
@@ -152,42 +153,74 @@ local function dispatch_function(self)
 	end
 end
 
+local function connect_backup(self)
+	if self.__backup then
+		for _, addr in ipairs(self.__backup) do
+			local host, port
+			if type(addr) == "table" then
+				host, port = addr.host, addr.port
+			else
+				host = addr
+				port = self.__port
+			end
+			skynet.error("socket: connect to backup host", host, port)
+			local fd = socket.open(host, port)
+			if fd then
+				self.__host = host
+				self.__port = port
+				return fd
+			end
+		end
+	end
+end
+
 local function connect_once(self)
+	if self.__closed then
+		return false
+	end
 	assert(not self.__sock and not self.__authcoroutine)
 	local fd = socket.open(self.__host, self.__port)
 	if not fd then
-		return false
+		fd = connect_backup(self)
+		if not fd then
+			return false
+		end
 	end
-	self.__authcoroutine = coroutine.running()
+
 	self.__sock = setmetatable( {fd} , channel_socket_meta )
 	skynet.fork(dispatch_function(self), self)
 
 	if self.__auth then
+		self.__authcoroutine = coroutine.running()
 		local ok , message = pcall(self.__auth, self)
 		if not ok then
 			close_channel_socket(self)
 			if message ~= socket_error then
+				self.__authcoroutine = false
 				skynet.error("socket: auth failed", message)
 			end
 		end
 		self.__authcoroutine = false
+		if ok and not self.__sock then
+			-- auth may change host, so connect again
+			return connect_once(self)
+		end
 		return ok
 	end
 
-	self.__authcoroutine = false
 	return true
 end
 
 local function try_connect(self , once)
-	local t = 100
+	local t = 0
 	while not self.__closed do
 		if connect_once(self) then
 			if not once then
 				skynet.error("socket: connect to", self.__host, self.__port)
 			end
-			return
+			return true
 		elseif once then
-			error(string.format("Connect to %s:%d failed", self.__host, self.__port))
+			return false
 		end
 		if t > 1000 then
 			skynet.error("socket: try to reconnect", self.__host, self.__port)
@@ -200,7 +233,7 @@ local function try_connect(self , once)
 	end
 end
 
-local function block_connect(self, once)
+local function check_connection(self)
 	if self.__sock then
 		local authco = self.__authcoroutine
 		if not authco then
@@ -214,26 +247,36 @@ local function block_connect(self, once)
 	if self.__closed then
 		return false
 	end
+end
+
+local function block_connect(self, once)
+	local r = check_connection(self)
+	if r ~= nil then
+		return r
+	end
 
 	if #self.__connecting > 0 then
 		-- connecting in other coroutine
 		local co = coroutine.running()
 		table.insert(self.__connecting, co)
 		skynet.wait()
-		-- check connection again
-		return block_connect(self, once)
-	end
-	self.__connecting[1] = true
-	try_connect(self, once)
-	self.__connecting[1] = nil
-	for i=2, #self.__connecting do
-		local co = self.__connecting[i]
-		self.__connecting[i] = nil
-		skynet.wakeup(co)
+	else
+		self.__connecting[1] = true
+		try_connect(self, once)
+		self.__connecting[1] = nil
+		for i=2, #self.__connecting do
+			local co = self.__connecting[i]
+			self.__connecting[i] = nil
+			skynet.wakeup(co)
+		end
 	end
 
-	-- check again
-	return block_connect(self, once)
+	r = check_connection(self)
+	if r == nil then
+		error(string.format("Connect to %s:%d failed", self.__host, self.__port))
+	else
+		return r
+	end
 end
 
 function channel:connect(once)
@@ -263,7 +306,7 @@ local function wait_for_response(self, response)
 end
 
 function channel:request(request, response)
-	assert(block_connect(self))
+	assert(block_connect(self, true))	-- connect once
 
 	if not socket.write(self.__sock[1], request) then
 		close_channel_socket(self)
@@ -292,6 +335,20 @@ function channel:close()
 	end
 end
 
+function channel:changehost(host, port)
+	self.__host = host
+	if port then
+		self.__port = port
+	end
+	if not self.__closed then
+		close_channel_socket(self)
+	end
+end
+
+function channel:changebackup(backup)
+	self.__backup = backup
+end
+
 channel_meta.__gc = channel.close
 
 local function wrapper_socket_function(f)

service-src/service_snlua.c

@@ -55,7 +55,7 @@ traceback (lua_State *L) {
 static void
 _report_launcher_error(struct skynet_context *ctx) {
 	// sizeof "ERROR" == 5
-	skynet_sendname(ctx, ".launcher", PTYPE_TEXT, 0, "ERROR", 5);
+	skynet_sendname(ctx, 0, ".launcher", PTYPE_TEXT, 0, "ERROR", 5);
 }
 
 static const char *

service/bootstrap.lua

@@ -13,31 +13,31 @@ skynet.start(function()
 		standalone = true
 		skynet.setenv("standalone", "true")
 
-		local slave = skynet.newservice "cdummy"
-		if slave == nil then
+		local ok, slave = pcall(skynet.newservice, "cdummy")
+		if not ok then
 			skynet.abort()
 		end
-		skynet.name(".slave", slave)
+		skynet.name(".cslave", slave)
 
 	else
 		if standalone then
-			if not skynet.newservice "cmaster" then
+			if not pcall(skynet.newservice,"cmaster") then
 				skynet.abort()
 			end
 		end
 
-		local slave = skynet.newservice "cslave"
-		if slave == nil then
+		local ok, slave = pcall(skynet.newservice, "cslave")
+		if not ok then
 			skynet.abort()
 		end
-		skynet.name(".slave", slave)
+		skynet.name(".cslave", slave)
 	end
 
 	if standalone then
-		local datacenter = assert(skynet.newservice "datacenterd")
+		local datacenter = skynet.newservice "datacenterd"
 		skynet.name("DATACENTER", datacenter)
 	end
-	assert(skynet.newservice "service_mgr")
-	assert(skynet.newservice(skynet.getenv "start" or "main"))
+	skynet.newservice "service_mgr"
+	pcall(skynet.newservice,skynet.getenv "start" or "main")
 	skynet.exit()
 end)

service/cdummy.lua

@@ -1,6 +1,7 @@
 local skynet = require "skynet"
 
 local globalname = {}
+local queryname = {}
 local harbor = {}
 
 skynet.register_protocol {
@@ -17,12 +18,43 @@ skynet.register_protocol {
 	unpack = skynet.tostring,
 }
 
+local function response_name(name)
+	local address = globalname[name]
+	if queryname[name] then
+		local tmp = queryname[name]
+		queryname[name] = nil
+		for _,resp in ipairs(tmp) do
+			resp(true, address)
+		end
+	end
+end
+
 function harbor.REGISTER(name, handle)
 	assert(globalname[name] == nil)
 	globalname[name] = handle
+	response_name(name)
 	skynet.redirect(harbor_service, handle, "harbor", 0, "N " .. name)
 end
 
+function harbor.QUERYNAME(name)
+	if name:byte() == 46 then	-- "." , local name
+		skynet.ret(skynet.pack(skynet.localname(name)))
+		return
+	end
+	local result = globalname[name]
+	if result then
+		skynet.ret(skynet.pack(result))
+		return
+	end
+	local queue = queryname[name]
+	if queue == nil then
+		queue = { skynet.response() }
+		queryname[name] = queue
+	else
+		table.insert(queue, skynet.response())
+	end
+end
+
 function harbor.LINK(id)
 	skynet.ret()
 end

service/clusterd.lua

@@ -1,7 +1,7 @@
 local skynet = require "skynet"
 local sc = require "socketchannel"
 local socket = require "socket"
-local cluster = require "cluster.c"
+local cluster = require "cluster.core"
 
 local config_name = skynet.getenv "cluster"
 local node_address = {}
@@ -51,13 +51,34 @@ function command.listen(source, addr, port)
 	skynet.ret(skynet.pack(nil))
 end
 
-function command.req(source, node, addr, msg, sz)
+local function send_request(source, node, addr, msg, sz)
 	local request
 	local c = node_channel[node]
 	local session = node_session[node]
 	-- msg is a local pointer, cluster.packrequest will free it
 	request, node_session[node] = cluster.packrequest(addr, session , msg, sz)
-	skynet.ret(c:request(request, session))
+
+	return c:request(request, session)
+end
+
+function command.req(...)
+	local ok, msg, sz = pcall(send_request, ...)
+	if ok then
+		skynet.ret(msg, sz)
+	else
+		skynet.error(msg)
+		skynet.response()(false)
+	end
+end
+
+local proxy = {}
+
+function command.proxy(source, node, name)
+	local fullname = node .. "." .. name
+	if proxy[fullname] == nil then
+		proxy[fullname] = skynet.newservice("clusterproxy", node, name)
+	end
+	skynet.ret(skynet.pack(proxy[fullname]))
 end
 
 local request_fd = {}

service/clusterproxy.lua

@@ -0,0 +1,27 @@
+local skynet = require "skynet"
+local cluster = require "cluster"
+
+local node, address = ...
+
+skynet.register_protocol {
+	name = "system",
+	id = skynet.PTYPE_SYSTEM,
+	unpack = function (...) return ... end,
+}
+
+local forward_map = {
+	[skynet.PTYPE_LUA] = skynet.PTYPE_SYSTEM,
+	[skynet.PTYPE_RESPONSE] = skynet.PTYPE_RESPONSE,	-- don't free response message
+}
+
+skynet.forward_type( forward_map ,function()
+	local clusterd = skynet.uniqueservice("clusterd")
+	local n = tonumber(address)
+	if n then
+		address = n
+	end
+	skynet.dispatch("system", function (session, source, msg, sz)
+		local m,s = skynet.rawcall(clusterd, "lua", skynet.pack("req", node, address, msg, sz))
+		skynet.ret(skynet.rawcall(clusterd, "lua", skynet.pack("req", node, address, msg, sz)))
+	end)
+end)

service/console.lua

@@ -7,10 +7,7 @@ local function console_main_loop()
 	while true do
 		local cmdline = socket.readline(stdin, "\n")
 		if cmdline ~= "" then
-			local handle = skynet.newservice(cmdline)
-			if handle == nil then
-				print("Launch error:",cmdline)
-			end
+			pcall(skynet.newservice,cmdline)
 		end
 	end
 	socket.unlock(stdin)

service/cslave.lua

@@ -1,9 +1,11 @@
 local skynet = require "skynet"
 local socket = require "socket"
+local table = table
 
 local slaves = {}
 local connect_queue = {}
 local globalname = {}
+local queryname = {}
 local harbor = {}
 local harbor_service
 local monitor = {}
@@ -28,7 +30,7 @@ local function monitor_clear(id)
 	if v then
 		monitor[id] = nil
 		for _, v in ipairs(v) do
-			skynet.redirect(v.address, 0, "response", v.session, "")
+			v(true)
 		end
 	end
 end
@@ -60,6 +62,17 @@ local function ready()
 	end
 end
 
+local function response_name(name)
+	local address = globalname[name]
+	if queryname[name] then
+		local tmp = queryname[name]
+		queryname[name] = nil
+		for _,resp in ipairs(tmp) do
+			resp(true, address)
+		end
+	end
+end
+
 local function monitor_master(master_fd)
 	while true do
 		local ok, t, id_name, address = pcall(read_package,master_fd)
@@ -72,6 +85,7 @@ local function monitor_master(master_fd)
 				end
 			elseif t == 'N' then
 				globalname[id_name] = address
+				response_name(id_name)
 				if connect_queue == nil then
 					skynet.redirect(harbor_service, address, "harbor", 0, "N " .. id_name)
 				end
@@ -79,6 +93,7 @@ local function monitor_master(master_fd)
 				local fd = slaves[id_name]
 				slaves[id_name] = false
 				if fd then
+					monitor_clear(id_name)
 					socket.close(fd)
 				end
 			end
@@ -129,14 +144,14 @@ local function monitor_harbor(master_fd)
 	return function(session, source, command)
 		local t = string.sub(command, 1, 1)
 		local arg = string.sub(command, 3)
-		if t == "Q" then
+		if t == 'Q' then
 			-- query name
 			if globalname[arg] then
 				skynet.redirect(harbor_service, globalname[arg], "harbor", 0, "N " .. arg)
 			else
 				socket.write(master_fd, pack_package("Q", arg))
 			end
-		elseif t == "D" then
+		elseif t == 'D' then
 			-- harbor down
 			local id = tonumber(arg)
 			if slaves[id] then
@@ -149,46 +164,66 @@ local function monitor_harbor(master_fd)
 	end
 end
 
-function harbor.REGISTER(_,_, fd, name, handle)
+function harbor.REGISTER(fd, name, handle)
 	assert(globalname[name] == nil)
 	globalname[name] = handle
+	response_name(name)
 	socket.write(fd, pack_package("R", name, handle))
 	skynet.redirect(harbor_service, handle, "harbor", 0, "N " .. name)
 end
 
-function harbor.LINK(session, source, fd, id)
+function harbor.LINK(fd, id)
 	if slaves[id] then
 		if monitor[id] == nil then
 			monitor[id] = {}
 		end
-		table.insert(monitor[id], { address = source, session = session })
+		table.insert(monitor[id], skynet.response())
 	else
 		skynet.ret()
 	end
 end
 
-function harbor.CONNECT(session, source, fd, id)
+function harbor.CONNECT(fd, id)
 	if not slaves[id] then
 		if monitor[id] == nil then
 			monitor[id] = {}
 		end
-		table.insert(monitor[id], { address = source, session = session })
+		table.insert(monitor[id], skynet.response())
 	else
 		skynet.ret()
 	end
 end
 
+function harbor.QUERYNAME(fd, name)
+	if name:byte() == 46 then	-- "." , local name
+		skynet.ret(skynet.pack(skynet.localname(name)))
+		return
+	end
+	local result = globalname[name]
+	if result then
+		skynet.ret(skynet.pack(result))
+		return
+	end
+	local queue = queryname[name]
+	if queue == nil then
+		queue = { skynet.response() }
+		queryname[name] = queue
+	else
+		table.insert(queue, skynet.response())
+	end
+end
+
 skynet.start(function()
 	local master_addr = skynet.getenv "master"
 	local harbor_id = tonumber(skynet.getenv "harbor")
 	local slave_address = assert(skynet.getenv "address")
 	local slave_fd = socket.listen(slave_address)
 	skynet.error("slave connect to master " .. tostring(master_addr))
-	local master_fd = socket.open(master_addr)
+	local master_fd = assert(socket.open(master_addr), "Can't connect to master")
 
-	skynet.dispatch("lua", function (session,source,command,...)
+	skynet.dispatch("lua", function (_,_,command,...)
 		local f = assert(harbor[command])
-		f(session, source, master_fd, ...)
+		f(master_fd, ...)
 	end)
 	skynet.dispatch("text", monitor_harbor(master_fd))
 

service/datacenterd.lua

@@ -45,10 +45,8 @@ local function wakeup(db, key1, key2, value, ...)
 		db[key1] = nil
 		if value then
 			-- throw error because can't wake up a branch
-			for _,v in ipairs(q) do
-				local session = v[1]
-				local source = v[2]
-				skynet.redirect(source, 0, "error", session, "")
+			for _,response in ipairs(q) do
+				response(false)
 			end
 		else
 			return q
@@ -66,15 +64,13 @@ function command.UPDATE(...)
 	end
 	local q = wakeup(wait_queue, ...)
 	if q then
-		for _, v in ipairs(q) do
-			local session = v[1]
-			local source = v[2]
-			skynet.redirect(source, 0, "response", session, skynet.pack(value))
+		for _, response in ipairs(q) do
+			response(true,value)
 		end
 	end
 end
 
-local function waitfor(session, source, db, key1, key2, ...)
+local function waitfor(db, key1, key2, ...)
 	if key2 == nil then
 		-- push queue
 		local q = db[key1]
@@ -84,7 +80,7 @@ local function waitfor(session, source, db, key1, key2, ...)
 		else
 			assert(q[mode] == "queue")
 		end
-		table.insert(q, { session, source })
+		table.insert(q, skynet.response())
 	else
 		local q = db[key1]
 		if q == nil then
@@ -93,18 +89,18 @@ local function waitfor(session, source, db, key1, key2, ...)
 		else
 			assert(q[mode] == "branch")
 		end
-		return waitfor(session, source, q, key2, ...)
+		return waitfor(q, key2, ...)
 	end
 end
 
 skynet.start(function()
-	skynet.dispatch("lua", function (session, source, cmd, ...)
+	skynet.dispatch("lua", function (_, _, cmd, ...)
 		if cmd == "WAIT" then
 			local ret = command.QUERY(...)
 			if ret then
 				skynet.ret(skynet.pack(ret))
 			else
-				waitfor(session, source, wait_queue, ...)
+				waitfor(wait_queue, ...)
 			end
 		else
 			local f = assert(command[cmd])

service/debug_console.lua

@@ -36,6 +36,7 @@ local function dump_list(print, list)
 	for _,v in ipairs(index) do
 		dump_line(print, v, list[v])
 	end
+	print("OK")
 end
 
 local function split_cmdline(cmdline)
@@ -92,6 +93,9 @@ skynet.start(function()
 	socket.start(listen_socket , function(id, addr)
 		local function print(...)
 			local t = { ... }
+			for k,v in ipairs(t) do
+				t[k] = tostring(v)
+			end
 			socket.write(id, table.concat(t,"\t"))
 			socket.write(id, "\n")
 		end
@@ -106,6 +110,7 @@ function COMMAND.help()
 		list = "List all the service",
 		stat = "Dump all stats",
 		info = "Info address : get service infomation",
+		exit = "exit address : kill a lua service",
 		kill = "kill address : kill service",
 		mem = "mem : show memory status",
 		gc = "gc : force every lua service do garbage collect",
@@ -114,6 +119,7 @@ function COMMAND.help()
 		clearcache = "clear lua code cache",
 		service = "List unique service",
 		task = "task address : show service task detail",
+		inject = "inject address luascript.lua",
 	}
 end
 
@@ -122,8 +128,8 @@ function COMMAND.clearcache()
 end
 
 function COMMAND.start(...)
-	local addr = skynet.newservice(...)
-	if addr then
+	local ok, addr = pcall(skynet.newservice, ...)
+	if ok then
 		return { [skynet.address(addr)] = ... }
 	else
 		return "Failed"
@@ -131,8 +137,8 @@ function COMMAND.start(...)
 end
 
 function COMMAND.snax(...)
-	local s = snax.newservice(...)
-	if s then
+	local ok, s = pcall(snax.newservice, ...)
+	if ok then
 		local addr = s.handle
 		return { [skynet.address(addr)] = ... }
 	else
@@ -143,3 +149,35 @@ end
 function COMMAND.service()
 	return skynet.call("SERVICE", "lua", "LIST")
 end
+
+local function adjust_address(address)
+	if address:sub(1,1) ~= ":" then
+		address = bit32.replace( tonumber("0x" .. address), skynet.harbor(skynet.self()), 24, 8)
+	end
+	return address
+end
+
+function COMMAND.exit(address)
+	skynet.send(adjust_address(address), "debug", "EXIT")
+end
+
+function COMMAND.inject(address, filename)
+	address = adjust_address(address)
+	local f = io.open(filename, "rb")
+	if not f then
+		return "Can't open " .. filename
+	end
+	local source = f:read "*a"
+	f:close()
+	return skynet.call(address, "debug", "RUN", source, filename)
+end
+
+function COMMAND.task(address)
+	address = adjust_address(address)
+	return skynet.call(address,"debug","TASK")
+end
+
+function COMMAND.info(address)
+	address = adjust_address(address)
+	return skynet.call(address,"debug","INFO")
+end

service/gate.lua

@@ -1,92 +1,23 @@
 local skynet = require "skynet"
+local gateserver = require "snax.gateserver"
 local netpack = require "netpack"
-local socketdriver = require "socketdriver"
 
-local socket
-local queue
 local watchdog
-local maxclient
-local client_number = 0
-local CMD = setmetatable({}, { __gc = function() netpack.clear(queue) end })
-local nodelay = false
-
 local connection = {}	-- fd -> connection : { fd , client, agent , ip, mode }
 local forwarding = {}	-- agent -> connection
 
-function CMD.open( source , conf )
-	assert(not socket)
-	local address = conf.address or "0.0.0.0"
-	local port = assert(conf.port)
-	maxclient = conf.maxclient or 1024
+skynet.register_protocol {
+	name = "client",
+	id = skynet.PTYPE_CLIENT,
+}
+
+local handler = {}
+
+function handler.open(source, conf)
 	watchdog = conf.watchdog or source
-	socket = socketdriver.listen(address, port)
-	socketdriver.start(socket)
 end
 
-function CMD.nodelay(source, v)
-	if v ~= false then
-		v = true
-	end
-	nodelay = v
-end
-
-function CMD.close()
-	assert(socket)
-	socketdriver.close(socket)
-	socket = nil
-end
-
-local function unforward(c)
-	if c.agent then
-		forwarding[c.agent] = nil
-		c.agent = nil
-		c.client = nil
-	end
-end
-
-local function start(c)
-	if not c.mode then
-		c.mode = "open"
-		socketdriver.start(c.fd)
-	end
-end
-
-function CMD.forward(source, fd, client, address)
-	local c = assert(connection[fd])
-	unforward(c)
-	start(c)
-
-	c.client = client or 0
-	c.agent = address or source
-
-	forwarding[c.agent] = c
-end
-
-function CMD.accept(source, fd)
-	local c = assert(connection[fd])
-	unforward(c)
-	start(c)
-end
-
-function CMD.kick(source, fd)
-	local c
-	if fd then
-		c = connection[fd]
-	else
-		c = forwarding[source]
-	end
-
-	assert(c)
-
-	if c.mode ~= "close" then
-		c.mode = "close"
-		socketdriver.close(c.fd)
-	end
-end
-
-local MSG = {}
-
-function MSG.data(fd, msg, sz)
+function handler.message(fd, msg, sz)
 	-- recv a package, forward it
 	local c = connection[fd]
 	local agent = c.agent
@@ -97,70 +28,65 @@ function MSG.data(fd, msg, sz)
 	end
 end
 
-function MSG.more()
-	for fd, msg, sz in netpack.pop, queue do
-		MSG.data(fd, msg, sz)
-	end
-end
-
-function MSG.open(fd, msg)
-	if client_number >= maxclient then
-		socketdriver.close(fd)
-		return
-	end
+function handler.connect(fd, addr)
 	local c = {
 		fd = fd,
-		ip = msg,
+		ip = addr,
 	}
 	connection[fd] = c
-	client_number = client_number + 1
-	if nodelay then
-		socketdriver.nodelay(fd)
-	end
-	skynet.send(watchdog, "lua", "socket", "open", fd, msg)
+	skynet.send(watchdog, "lua", "socket", "open", fd, addr)
 end
 
-local function close_fd(fd, message)
+local function unforward(c)
+	if c.agent then
+		forwarding[c.agent] = nil
+		c.agent = nil
+		c.client = nil
+	end
+end
+
+local function close_fd(fd)
 	local c = connection[fd]
 	if c then
 		unforward(c)
 		connection[fd] = nil
-		client_number = client_number - 1
 	end
 end
 
-function MSG.close(fd)
+function handler.disconnect(fd)
 	close_fd(fd)
 	skynet.send(watchdog, "lua", "socket", "close", fd)
 end
 
-function MSG.error(fd, msg)
+function handler.error(fd, msg)
 	close_fd(fd)
 	skynet.send(watchdog, "lua", "socket", "error", fd, msg)
 end
 
-skynet.register_protocol {
-	name = "socket",
-	id = skynet.PTYPE_SOCKET,	-- PTYPE_SOCKET = 6
-	unpack = function ( msg, sz )
-		return netpack.filter( queue, msg, sz)
-	end,
-	dispatch = function (_, _, q, type, ...)
-		queue = q
-		if type then
-			MSG[type](...)
-		end
-	end
-}
+local CMD = {}
 
-skynet.register_protocol {
-	name = "client",
-	id = skynet.PTYPE_CLIENT,
-}
+function CMD.forward(source, fd, client, address)
+	local c = assert(connection[fd])
+	unforward(c)
+	c.client = client or 0
+	c.agent = address or source
+	forwarding[c.agent] = c
+	gateserver.openclient(fd)
+end
 
-skynet.start(function()
-	skynet.dispatch("lua", function (_, address, cmd, ...)
-		local f = assert(CMD[cmd])
-		skynet.ret(skynet.pack(f(address, ...)))
-	end)
-end)
+function CMD.accept(source, fd)
+	local c = assert(connection[fd])
+	unforward(c)
+	gateserver.openclient(fd)
+end
+
+function CMD.kick(source, fd)
+	gateserver.closeclient(fd)
+end
+
+function handler.command(cmd, source, ...)
+	local f = assert(CMD[cmd])
+	return f(source, ...)
+end
+
+gateserver.start(handler)

service/launcher.lua

@@ -28,27 +28,7 @@ function command.STAT()
 	return list
 end
 
-function command.INFO(_, _, handle)
-	handle = handle_to_address(handle)
-	if services[handle] == nil then
-		return
-	else
-		local result = skynet.call(handle,"debug","INFO")
-		return result
-	end
-end
-
-function command.TASK(_, _, handle)
-	handle = handle_to_address(handle)
-	if services[handle] == nil then
-		return
-	else
-		local result = skynet.call(handle,"debug","TASK")
-		return result
-	end
-end
-
-function command.KILL(_, _, handle)
+function command.KILL(_, handle)
 	handle = handle_to_address(handle)
 	skynet.kill(handle)
 	local ret = { [skynet.address(handle)] = tostring(services[handle]) }
@@ -72,18 +52,29 @@ function command.GC()
 	return command.MEM()
 end
 
-function command.REMOVE(_,_, handle)
+function command.REMOVE(_, handle)
 	services[handle] = nil
+	local response = instance[handle]
+	if response then
+		-- instance is dead
+		response(false)
+		instance[handle] = nil
+	end
+
 	-- don't return (skynet.ret) because the handle may exit
 	return NORET
 end
 
-function command.LAUNCH(address, session, service, ...)
+local function return_string(str)
+	return str
+end
+
+function command.LAUNCH(_, service, ...)
 	local param = table.concat({...}, " ")
 	local inst = skynet.launch(service, param)
 	if inst then
 		services[inst] = service .. " " .. param
-		instance[inst] = { session = session, address = address }
+		instance[inst] = skynet.response(return_string)
 	else
 		skynet.ret("")	-- launch failed
 	end
@@ -93,9 +84,9 @@ end
 function command.ERROR(address)
 	-- see serivce-src/service_lua.c
 	-- init failed
-	local reply = instance[address]
-	if reply then
-		skynet.redirect(reply.address , 0, "response", reply.session, "")
+	local response = instance[address]
+	if response then
+		response(false)
 		instance[address] = nil
 	end
 	services[address] = nil
@@ -104,9 +95,9 @@ end
 
 function command.LAUNCHOK(address)
 	-- init notice
-	local reply = instance[address]
-	if reply then
-		skynet.redirect(reply.address , 0, "response", reply.session, skynet.address(address))
+	local response = instance[address]
+	if response then
+		response(true, skynet.address(address))
 		instance[address] = nil
 	end
 
@@ -127,7 +118,7 @@ skynet.register_protocol {
 		else
 			-- launch request
 			local service, param = string.match(cmd,"([^ ]+) (.*)")
-			command.LAUNCH(address, session, service, param)
+			command.LAUNCH(_, service, param)
 		end
 	end,
 }
@@ -136,7 +127,7 @@ skynet.dispatch("lua", function(session, address, cmd , ...)
 	cmd = string.upper(cmd)
 	local f = command[cmd]
 	if f then
-		local ret = f(address, session, ...)
+		local ret = f(address, ...)
 		if ret ~= NORET then
 			skynet.ret(skynet.pack(ret))
 		end

service/multicastd.lua

@@ -1,5 +1,5 @@
 local skynet = require "skynet"
-local mc = require "multicast.c"
+local mc = require "multicast.core"
 local datacenter = require "datacenter"
 
 local harbor_id = skynet.harbor(skynet.self())
@@ -50,8 +50,10 @@ function command.DEL(source, c)
 	channel[c] = nil
 	channel_n[c] = nil
 	channel_remote[c] = nil
-	for node in pairs(remote) do
-		skynet.send(node_address[node], "lua", "DELR", c)
+	if remote then
+		for node in pairs(remote) do
+			skynet.send(node_address[node], "lua", "DELR", c)
+		end
 	end
 	return NORET
 end

service/service_mgr.lua

@@ -117,7 +117,6 @@ local function register_global()
 
 	function cmd.REPORT(m)
 		mgr[m] = true
-		skynet.watch(m)
 	end
 
 	local function add_list(all, m)

service/sharedatad.lua

@@ -0,0 +1,118 @@
+local skynet = require "skynet"
+local sharedata = require "sharedata.corelib"
+local table = table
+
+local NORET = {}
+local pool = {}
+local objmap = {}
+
+local function newobj(name, tbl)
+	assert(pool[name] == nil)
+	local cobj = sharedata.host.new(tbl)
+	sharedata.host.incref(cobj)
+	local v = { value = tbl , obj = cobj, watch = {} }
+	objmap[cobj] = v
+	pool[name] = v
+end
+
+local function collectobj()
+	while true do
+		skynet.sleep(600 * 100)	-- sleep 10 min
+		collectgarbage()
+		for obj, v in pairs(objmap) do
+			if v == true then
+				if sharedata.host.getref(obj) <= 0  then
+					objmap[obj] = nil
+					sharedata.host.delete(obj)
+				end
+			end
+		end
+	end
+end
+
+local CMD = {}
+
+function CMD.new(name, t)
+	local dt = type(t)
+	local value
+	if dt == "table" then
+		value = t
+	elseif dt == "string" then
+		value = {}
+		local f = load(t, "=" .. name, "t", env)
+		f()
+	elseif dt == "nil" then
+		value = {}
+	else
+		error ("Unknown data type " .. dt)
+	end
+	newobj(name, value)
+end
+
+function CMD.delete(name)
+	local v = assert(pool[name])
+	pool[name] = nil
+	assert(objmap[v.obj])
+	objmap[v.obj] = true
+	sharedata.host.decref(v.obj)
+	for _,response in ipairs(v.watch) do
+		response(true)
+	end
+end
+
+function CMD.query(name)
+	local v = assert(pool[name])
+	local obj = v.obj
+	sharedata.host.incref(obj)
+	return v.obj
+end
+
+function CMD.confirm(cobj)
+	if objmap[cobj] then
+		sharedata.host.decref(cobj)
+	end
+	return NORET
+end
+
+function CMD.update(name, t)
+	local v = pool[name]
+	local watch, oldcobj
+	if v then
+		watch = v.watch
+		oldcobj = v.obj
+		objmap[oldcobj] = true
+		sharedata.host.decref(oldcobj)
+		pool[name] = nil
+	end
+	CMD.new(name, t)
+	local newobj = pool[name].obj
+	if watch then
+		sharedata.host.markdirty(oldcobj)
+		for _,response in ipairs(watch) do
+			response(true, newobj)
+		end
+	end
+end
+
+function CMD.monitor(name, obj)
+	local v = assert(pool[name])
+	if obj ~= v.obj then
+		return v.obj
+	end
+
+	table.insert(v.watch, skynet.response())
+
+	return NORET
+end
+
+skynet.start(function()
+	skynet.fork(collectobj)
+	skynet.dispatch("lua", function (session, source ,cmd, ...)
+		local f = assert(CMD[cmd])
+		local r = f(...)
+		if r ~= NORET then
+			skynet.ret(skynet.pack(r))
+		end
+	end)
+end)
+

service/snaxd.lua

@@ -1,10 +1,17 @@
 local skynet = require "skynet"
-local c = require "skynet.c"
+local c = require "skynet.core"
 local snax_interface = require "snax.interface"
 local profile = require "profile"
 local snax = require "snax"
 
-local func = snax_interface(tostring(...), _ENV)
+local snax_name = tostring(...)
+local func, pattern = snax_interface(snax_name, _ENV)
+local snax_path = pattern:sub(1,pattern:find("?", 1, true)-1) .. snax_name ..  "/"
+package.path = snax_path .. "?.lua;" .. package.path
+
+SERVICE_NAME = snax_name
+SERVICE_PATH = snax_path
+
 local mode
 local thread_id
 local message_queue = {}

skynet-src/skynet.h

@@ -30,7 +30,7 @@ void skynet_error(struct skynet_context * context, const char *msg, ...);
 const char * skynet_command(struct skynet_context * context, const char * cmd , const char * parm);
 uint32_t skynet_queryname(struct skynet_context * context, const char * name);
 int skynet_send(struct skynet_context * context, uint32_t source, uint32_t destination , int type, int session, void * msg, size_t sz);
-int skynet_sendname(struct skynet_context * context, const char * destination , int type, int session, void * msg, size_t sz);
+int skynet_sendname(struct skynet_context * context, uint32_t source, const char * destination , int type, int session, void * msg, size_t sz);
 
 int skynet_isremote(struct skynet_context *, uint32_t handle, int * harbor);
 

skynet-src/skynet_handle.c

@@ -49,7 +49,6 @@ skynet_handle_register(struct skynet_context *ctx) {
 				rwlock_wunlock(&s->lock);
 
 				handle |= s->harbor;
-				skynet_context_init(ctx, handle);
 				return handle;
 			}
 		}
@@ -67,8 +66,9 @@ skynet_handle_register(struct skynet_context *ctx) {
 	}
 }
 
-void
+int
 skynet_handle_retire(uint32_t handle) {
+	int ret = 0;
 	struct handle_storage *s = H;
 
 	rwlock_wlock(&s->lock);
@@ -79,6 +79,7 @@ skynet_handle_retire(uint32_t handle) {
 	if (ctx != NULL && skynet_context_handle(ctx) == handle) {
 		skynet_context_release(ctx);
 		s->slot[hash] = NULL;
+		ret = 1;
 		int i;
 		int j=0, n=s->name_count;
 		for (i=0; i<n; ++i) {
@@ -94,6 +95,8 @@ skynet_handle_retire(uint32_t handle) {
 	}
 
 	rwlock_wunlock(&s->lock);
+
+	return ret;
 }
 
 void 
@@ -105,10 +108,14 @@ skynet_handle_retireall() {
 		for (i=0;i<s->slot_size;i++) {
 			rwlock_rlock(&s->lock);
 			struct skynet_context * ctx = s->slot[i];
+			uint32_t handle = 0;
+			if (ctx)
+				handle = skynet_context_handle(ctx);
 			rwlock_runlock(&s->lock);
-			if (ctx != NULL) {
-				++n;
-				skynet_handle_retire(skynet_context_handle(ctx));
+			if (handle != 0) {
+				if (skynet_handle_retire(handle)) {
+					++n;
+				}
 			}
 		}
 		if (n==0)

skynet-src/skynet_handle.h

@@ -8,7 +8,7 @@
 struct skynet_context;
 
 uint32_t skynet_handle_register(struct skynet_context *);
-void skynet_handle_retire(uint32_t handle);
+int skynet_handle_retire(uint32_t handle);
 struct skynet_context * skynet_handle_grab(uint32_t handle);
 void skynet_handle_retireall();
 

skynet-src/skynet_main.c

@@ -11,6 +11,7 @@
 #include <lualib.h>
 #include <lauxlib.h>
 #include <signal.h>
+#include <assert.h>
 
 static int
 optint(const char *key, int opt) {
@@ -51,7 +52,6 @@ optstring(const char *key,const char * opt) {
 
 static void
 _init_env(lua_State *L) {
-	lua_pushglobaltable(L);
 	lua_pushnil(L);  /* first key */
 	while (lua_next(L, -2) != 0) {
 		int keyt = lua_type(L, -2);
@@ -83,11 +83,27 @@ int sigign() {
 	return 0;
 }
 
+static const char * load_config = "\
+	local config_name = ...\
+	local f = assert(io.open(config_name))\
+	local code = assert(f:read \'*a\')\
+	local function getenv(name) return assert(os.getenv(name), name) end\
+	code = string.gsub(code, \'%$([%w_%d]+)\', getenv)\
+	f:close()\
+	local result = {}\
+	assert(load(code,\'=(load)\',\'t\',result))()\
+	return result\
+";
+
 int
 main(int argc, char *argv[]) {
-	const char * config_file = "config";
+	const char * config_file = NULL ;
 	if (argc > 1) {
 		config_file = argv[1];
+	} else {
+		fprintf(stderr, "Need a config file. Please read skynet wiki : https://github.com/cloudwu/skynet/wiki/Config\n"
+			"usage: skynet configfilename\n");
+		return 1;
 	}
 	skynet_globalinit();
 	skynet_env_init();
@@ -98,11 +114,12 @@ main(int argc, char *argv[]) {
 
 	struct lua_State *L = lua_newstate(skynet_lalloc, NULL);
 	luaL_openlibs(L);	// link lua lib
-	lua_close(L);
 
-	L = luaL_newstate();
-
-	int err = luaL_dofile(L, config_file);
+	int err = luaL_loadstring(L, load_config);
+	assert(err == LUA_OK);
+	lua_pushstring(L, config_file);
+	
+	err = lua_pcall(L, 1, 1, 0);
 	if (err) {
 		fprintf(stderr,"%s\n",lua_tostring(L,-1));
 		lua_close(L);

skynet-src/skynet_server.c

@@ -132,6 +132,8 @@ skynet_context_new(const char * name, const char *param) {
 
 	ctx->init = false;
 	ctx->endless = false;
+	// Should set to 0 first to avoid skynet_handle_retireall get an uninitialized handle
+	ctx->handle = 0;	
 	ctx->handle = skynet_handle_register(ctx);
 	struct message_queue * queue = ctx->queue = skynet_mq_create(ctx->handle);
 	// init function maybe use ctx->handle, so it must init at last
@@ -230,7 +232,7 @@ _dispatch_message(struct skynet_context *ctx, struct skynet_message *msg) {
 	size_t sz = msg->sz & HANDLE_MASK;
 	if (!ctx->cb(ctx, ctx->cb_ud, type, msg->session, msg->source, msg->data, sz)) {
 		skynet_free(msg->data);
-	}
+	} 
 	CHECKCALLING_END(ctx)
 }
 
@@ -612,8 +614,10 @@ skynet_send(struct skynet_context * context, uint32_t source, uint32_t destinati
 }
 
 int
-skynet_sendname(struct skynet_context * context, const char * addr , int type, int session, void * data, size_t sz) {
-	uint32_t source = context->handle;
+skynet_sendname(struct skynet_context * context, uint32_t source, const char * addr , int type, int session, void * data, size_t sz) {
+	if (source == 0) {
+		source = context->handle;
+	}
 	uint32_t des = 0;
 	if (addr[0] == ':') {
 		des = strtoul(addr+1, NULL, 16);
@@ -646,11 +650,6 @@ skynet_context_handle(struct skynet_context *ctx) {
 	return ctx->handle;
 }
 
-void 
-skynet_context_init(struct skynet_context *ctx, uint32_t handle) {
-	ctx->handle = handle;
-}
-
 void 
 skynet_callback(struct skynet_context * context, void *ud, skynet_cb cb) {
 	context->cb = cb;

skynet-src/skynet_server.h

@@ -12,7 +12,6 @@ struct skynet_context * skynet_context_new(const char * name, const char * parm)
 void skynet_context_grab(struct skynet_context *);
 struct skynet_context * skynet_context_release(struct skynet_context *);
 uint32_t skynet_context_handle(struct skynet_context *);
-void skynet_context_init(struct skynet_context *, uint32_t handle);
 int skynet_context_push(uint32_t handle, struct skynet_message *message);
 void skynet_context_send(struct skynet_context * context, void * msg, size_t sz, uint32_t source, int type, int session);
 int skynet_context_newsession(struct skynet_context *);

skynet-src/skynet_timer.c

@@ -9,6 +9,7 @@
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
+#include <stdint.h>
 
 #if defined(__APPLE__)
 #include <sys/time.h>
@@ -33,7 +34,7 @@ struct timer_event {
 
 struct timer_node {
 	struct timer_node *next;
-	int expire;
+	uint32_t expire;
 };
 
 struct link_list {
@@ -43,9 +44,9 @@ struct link_list {
 
 struct timer {
 	struct link_list near[TIME_NEAR];
-	struct link_list t[4][TIME_LEVEL-1];
+	struct link_list t[4][TIME_LEVEL];
 	int lock;
-	int time;
+	uint32_t time;
 	uint32_t current;
 	uint32_t starttime;
 	uint64_t current_point;
@@ -72,21 +73,22 @@ link(struct link_list *list,struct timer_node *node) {
 
 static void
 add_node(struct timer *T,struct timer_node *node) {
-	int time=node->expire;
-	int current_time=T->time;
+	uint32_t time=node->expire;
+	uint32_t current_time=T->time;
 	
 	if ((time|TIME_NEAR_MASK)==(current_time|TIME_NEAR_MASK)) {
 		link(&T->near[time&TIME_NEAR_MASK],node);
 	} else {
 		int i;
-		int mask=TIME_NEAR << TIME_LEVEL_SHIFT;
+		uint32_t mask=TIME_NEAR << TIME_LEVEL_SHIFT;
 		for (i=0;i<3;i++) {
 			if ((time|(mask-1))==(current_time|(mask-1))) {
 				break;
 			}
 			mask <<= TIME_LEVEL_SHIFT;
 		}
-		link(&T->t[i][((time>>(TIME_NEAR_SHIFT + i*TIME_LEVEL_SHIFT)) & TIME_LEVEL_MASK)-1],node);	
+
+		link(&T->t[i][((time>>(TIME_NEAR_SHIFT + i*TIME_LEVEL_SHIFT)) & TIME_LEVEL_MASK)],node);	
 	}
 }
 
@@ -103,29 +105,38 @@ timer_add(struct timer *T,void *arg,size_t sz,int time) {
 	UNLOCK(T);
 }
 
+static void
+move_list(struct timer *T, int level, int idx) {
+	struct timer_node *current = link_clear(&T->t[level][idx]);
+	while (current) {
+		struct timer_node *temp=current->next;
+		add_node(T,current);
+		current=temp;
+	}
+}
+
 static void
 timer_shift(struct timer *T) {
 	LOCK(T);
 	int mask = TIME_NEAR;
-	int time = (++T->time) >> TIME_NEAR_SHIFT;
-	int i=0;
-	
-	while ((T->time & (mask-1))==0) {
-		int idx=time & TIME_LEVEL_MASK;
-		if (idx!=0) {
-			--idx;
-			struct timer_node *current = link_clear(&T->t[i][idx]);
-			while (current) {
-				struct timer_node *temp=current->next;
-				add_node(T,current);
-				current=temp;
+	uint32_t ct = ++T->time;
+	if (ct == 0) {
+		move_list(T, 3, 0);
+	} else {
+		uint32_t time = ct >> TIME_NEAR_SHIFT;
+		int i=0;
+
+		while ((ct & (mask-1))==0) {
+			int idx=time & TIME_LEVEL_MASK;
+			if (idx!=0) {
+				move_list(T, i, idx);
+				break;				
 			}
-			break;				
+			mask <<= TIME_LEVEL_SHIFT;
+			time >>= TIME_LEVEL_SHIFT;
+			++i;
 		}
-		mask <<= TIME_LEVEL_SHIFT;
-		time >>= TIME_LEVEL_SHIFT;
-		++i;
-	}	
+	}
 	UNLOCK(T);
 }
 
@@ -187,7 +198,7 @@ timer_create_timer() {
 	}
 
 	for (i=0;i<4;i++) {
-		for (j=0;j<TIME_LEVEL-1;j++) {
+		for (j=0;j<TIME_LEVEL;j++) {
 			link_clear(&r->t[i][j]);
 		}
 	}
@@ -265,6 +276,7 @@ skynet_updatetime(void) {
 	uint64_t cp = gettime();
 	if(cp < TI->current_point) {
 		skynet_error(NULL, "time diff error: change from %lld to %lld", cp, TI->current_point);
+		TI->current_point = cp;
 	} else if (cp != TI->current_point) {
 		uint32_t diff = (uint32_t)(cp - TI->current_point);
 		TI->current_point = cp;

test/testblockcall.lua

@@ -1,10 +0,0 @@
-local skynet = require "skynet"
-
-skynet.start(function()
-	local ping = skynet.newservice("pingserver")
-	skynet.timeout(0,function()
-		print(skynet.call(ping,"lua","PING","ping"))
-	end)
-
-	print(skynet.blockcall(ping,"lua","HELLO"))
-end)

test/testdeadcall.lua

@@ -11,6 +11,15 @@ skynet.start(function()
 	end)
 end)
 
+elseif mode == "dead" then
+
+skynet.start(function()
+	skynet.dispatch("lua", function (...)
+		skynet.sleep(100)
+		print("return", skynet.ret "")
+	end)
+end)
+
 else
 
 	skynet.start(function()
@@ -20,6 +29,9 @@ else
 			skynet.call(test,"lua", "dead call")
 		end))
 
-		skynet.exit()
+		local dead = skynet.newservice(SERVICE_NAME, "dead")	-- launch self in dead mode
+
+		skynet.timeout(0, skynet.exit)	-- exit after a while, so the call never return
+		skynet.call(dead, "lua", "whould not return")
 	end)
-end
+end

test/testecho.lua

@@ -0,0 +1,44 @@
+local skynet = require "skynet"
+
+local mode = ...
+
+if mode == "slave" then
+
+skynet.start(function()
+	skynet.dispatch("lua", function(_,_, ...)
+		skynet.ret(skynet.pack(...))
+	end)
+end)
+
+else
+
+skynet.start(function()
+	local slave = skynet.newservice(SERVICE_NAME, "slave")
+	local n = 100000
+	local start = skynet.now()
+	print("call salve", n, "times in queue")
+	for i=1,n do
+		skynet.call(slave, "lua")
+	end
+	print("qps = ", n/ (skynet.now() - start) * 100)
+
+	start = skynet.now()
+
+	local worker = 10
+	local task = n/worker
+	print("call salve", n, "times in parallel, worker = ", worker)
+
+	for i=1,worker do
+		skynet.fork(function()
+			for i=1,task do
+				skynet.call(slave, "lua")
+			end
+			worker = worker -1
+			if worker == 0 then
+				print("qps = ", n/ (skynet.now() - start) * 100)
+			end
+		end)
+	end
+end)
+
+end

test/testharborlink.lua

@@ -6,6 +6,7 @@ skynet.start(function()
 	print("run skynet examples/config_log please")
 	harbor.connect(2)
 	print("harbor 2 connected")
+	print("LOG =", skynet.address(harbor.queryname "LOG"))
 	harbor.link(2)
 	print("disconnected")
 end)

test/testhttp.lua

@@ -0,0 +1,16 @@
+local skynet = require "skynet"
+local httpc = require "http.httpc"
+
+skynet.start(function()
+	print("GET baidu.com")
+	local header = {}
+	local status, body = httpc.get("baidu.com", "/", header)
+	print("[header] =====>")
+	for k,v in pairs(header) do
+		print(k,v)
+	end
+	print("[body] =====>", status)
+	print(body)
+
+	skynet.exit()
+end)

test/testmulticast2.lua

@@ -4,9 +4,13 @@ local mc = require "multicast"
 
 skynet.start(function()
 	print("remote start")
-	skynet.monitor("simplemonitor", true)
 	local console = skynet.newservice("console")
 	local channel = dc.get "MCCHANNEL"
+	if channel then
+		print("remote channel", channel)
+	else
+		print("create local channel")
+	end
 	for i=1,10 do
 		local sub = skynet.newservice("testmulticast", "sub")
 		skynet.call(sub, "lua", "init", channel)

test/testsocket.lua

@@ -7,9 +7,9 @@ local function echo(id)
 	socket.start(id)
 
 	while true do
-		local str = socket.readline(id,"\n")
+		local str = socket.read(id)
 		if str then
-			socket.write(id, str .. "\n")
+			socket.write(id, str)
 		else
 			socket.close(id)
 			return
@@ -21,9 +21,6 @@ if mode == "agent" then
 	id = tonumber(id)
 
 	skynet.start(function()
-		-- A small limit, if socket buffer overflow, close the client
-		socket.limit(64)
-
 		skynet.fork(function()
 			echo(id)
 			skynet.exit()

test/teststm.lua

@@ -0,0 +1,36 @@
+local skynet = require "skynet"
+local stm = require "stm"
+
+local mode = ...
+
+if mode == "slave" then
+
+skynet.start(function()
+	skynet.dispatch("lua", function (_,_, obj)
+		local obj = stm.newcopy(obj)
+		print("read:", obj(skynet.unpack))
+		skynet.ret()
+		skynet.error("sleep and read")
+		for i=1,10 do
+			skynet.sleep(10)
+			print("read:", obj(skynet.unpack))
+		end
+		skynet.exit()
+	end)
+end)
+
+else
+
+skynet.start(function()
+	local slave = skynet.newservice(SERVICE_NAME, "slave")
+	local obj = stm.new(skynet.pack(1,2,3,4,5))
+	local copy = stm.copy(obj)
+	skynet.call(slave, "lua", copy)
+	for i=1,5 do
+		skynet.sleep(20)
+		print("write", i)
+		obj(skynet.pack("hello world", i))
+	end
+ 	skynet.exit()
+end)
+end