release 0.5.0

pre release 0.5.0

.gitignore

@@ -1,10 +1,10 @@
 *.o
 *.a
-./skynet
-./skynet.pid
+/skynet
+/skynet.pid
 3rd/lua/lua
 3rd/lua/luac
-./cservice
-./luaclib
+/cservice
+/luaclib
 *.so
 *.dSYM

HISTORY.md

@@ -1,3 +1,24 @@
+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 
+* Add optional TCP_NODELAY support
+* Add worker thread weight
+* Add skynet.queue
+* Bugfix: socketchannel
+* cluster can throw error
+* Add readline and writeline to clientsocket lib
+* Add cluster.reload to reload config file
+* Add datacenter.wait
+
 v0.4.1 (2014-7-7)
 -----------
 * Add SERVICE_NAME in loader

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 
 
 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 +110,9 @@ $(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 $@ 
+
 clean :
 	rm -f $(SKYNET_BUILD_PATH)/skynet $(CSERVICE_PATH)/*.so $(LUA_CLIB_PATH)/*.so
 

README.md

@@ -3,7 +3,7 @@
 For linux, install autoconf first for jemalloc
 
 ```
-git clone git@github.com:cloudwu/skynet.git
+git clone https://github.com/cloudwu/skynet.git
 cd skynet
 make 'PLATFORM'  # PLATFORM can be linux, macosx, freebsd now
 ```
@@ -38,5 +38,4 @@ You can also use the offical lua version , edit the makefile by yourself .
 
 * http://blog.codingnow.com/2012/09/the_design_of_skynet.html
 * http://blog.codingnow.com/2012/08/skynet.html
-* http://blog.codingnow.com/2012/08/skynet_harbor_rpc.html
 * http://blog.codingnow.com/eo/skynet/

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
@@ -33,13 +49,26 @@ 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()
-	local cmd = socket.readline()
+	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 = {}
 		string.gsub(cmd, '[^ ]+', function(v) table.insert(args, v) 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/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

@@ -11,7 +11,9 @@ skynet.start(function()
 	skynet.call(watchdog, "lua", "start", {
 		port = 8888,
 		maxclient = max_client,
+		nodelay = true,
 	})
+	print("Watchdog listen on ", 8888)
 
 	skynet.exit()
 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 +1,74 @@
+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
+				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

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
@@ -125,46 +90,31 @@ _block:
 		boolean (true: data, false: block, nil: close)
 		string last
  */
+
+struct socket_buffer {
+	void * buffer;
+	int sz;
+};
+
 static int
 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 tmp[CACHE_SIZE];
-	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);
-	}
-
-	return unpack(L, (uint8_t *)buffer, r+sz, 0);
+	lua_pushlstring(L, buffer, r);
+	return 1;
 }
 
 static int
@@ -219,7 +169,7 @@ readline_stdin(void * arg) {
 }
 
 static int
-lreadline(lua_State *L) {
+lreadstdin(lua_State *L) {
 	struct queue *q = lua_touserdata(L, lua_upvalueindex(1));
 	LOCK(q);
 	if (q->head == q->tail) {
@@ -251,8 +201,8 @@ luaopen_clientsocket(lua_State *L) {
 
 	struct queue * q = lua_newuserdata(L, sizeof(*q));
 	memset(q, 0, sizeof(*q));
-	lua_pushcclosure(L, lreadline, 1);
-	lua_setfield(L, -2, "readline");
+	lua_pushcclosure(L, lreadstdin, 1);
+	lua_setfield(L, -2, "readstdin");
 
 	pthread_t pid ;
 	pthread_create(&pid, NULL, readline_stdin, q);

lualib-src/lua-cluster.c

@@ -15,7 +15,7 @@
 		uint32_t next_session
  */
 
-#define TEMP_LENGTH 0x10002
+#define TEMP_LENGTH 0x10007
 
 static void
 fill_uint32(uint8_t * buf, uint32_t n) {
@@ -146,6 +146,7 @@ lunpackrequest(lua_State *L) {
 
 /*
 	int session
+	boolean ok
 	lightuserdata msg
 	int sz
 	return string response
@@ -155,15 +156,27 @@ lpackresponse(lua_State *L) {
 	uint32_t session = luaL_checkunsigned(L,1);
 	// clusterd.lua:command.socket call lpackresponse,
 	// and the msg/sz is return by skynet.rawcall , so don't free(msg)
-	void * msg = lua_touserdata(L,2);
-	size_t sz = luaL_checkunsigned(L, 3);
+	int ok = lua_toboolean(L,2);
+	void * msg;
+	size_t sz;
+	
+	if (lua_type(L,3) == LUA_TSTRING) {
+		msg = (void *)lua_tolstring(L, 3, &sz);
+		if (sz > 0x1000) {
+			sz = 0x1000;
+		}
+	} else {
+		msg = lua_touserdata(L,3);
+		sz = luaL_checkunsigned(L, 4);
+	}
 
 	uint8_t buf[TEMP_LENGTH];
-	fill_header(L, buf, sz+4, msg);
+	fill_header(L, buf, sz+5, msg);
 	fill_uint32(buf+2, session);
-	memcpy(buf+6,msg,sz);
+	buf[6] = ok;
+	memcpy(buf+7,msg,sz);
 
-	lua_pushlstring(L, (const char *)buf, sz+6);
+	lua_pushlstring(L, (const char *)buf, sz+7);
 
 	return 1;
 }
@@ -178,13 +191,13 @@ static int
 lunpackresponse(lua_State *L) {
 	size_t sz;
 	const char * buf = luaL_checklstring(L, 1, &sz);
-	if (sz < 4) {
+	if (sz < 5) {
 		return 0;
 	}
 	uint32_t session = unpack_uint32((const uint8_t *)buf);
 	lua_pushunsigned(L, session);
-	lua_pushboolean(L, 1);
-	lua_pushlstring(L, buf+4, sz-4);
+	lua_pushboolean(L, buf[4]);
+	lua_pushlstring(L, buf+5, sz-5);
 
 	return 3;
 }

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

@@ -506,7 +506,7 @@ op_insert(lua_State *L) {
 		int i;
 		for (i=1;i<=s;i++) {
 			lua_rawgeti(L,3,i);
-			document doc = lua_touserdata(L,3);
+			document doc = lua_touserdata(L,-1);
 			luaL_addlstring(&b, (const char *)doc, get_length(doc));
 			lua_pop(L,1);
 		}

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-socket.c

@@ -14,6 +14,7 @@
 #define BACKLOG 32
 // 2 ** 12 == 4096
 #define LARGE_PAGE_NODE 12
+#define BUFFER_LIMIT (256 * 1024)
 
 struct buffer_node {
 	char * msg;
@@ -476,6 +477,14 @@ lstart(lua_State *L) {
 	return 0;
 }
 
+static int
+lnodelay(lua_State *L) {
+	struct skynet_context * ctx = lua_touserdata(L, lua_upvalueindex(1));
+	int id = luaL_checkinteger(L, 1);
+	skynet_socket_nodelay(ctx,id);
+	return 0;
+}
+
 int
 luaopen_socketdriver(lua_State *L) {
 	luaL_checkversion(L);
@@ -502,6 +511,7 @@ luaopen_socketdriver(lua_State *L) {
 		{ "lsend", lsendlow },
 		{ "bind", lbind },
 		{ "start", lstart },
+		{ "nodelay", lnodelay },
 		{ NULL, NULL },
 	};
 	lua_getfield(L, LUA_REGISTRYINDEX, "skynet_context");

lualib/cluster.lua

@@ -16,6 +16,10 @@ function cluster.open(port)
 	end
 end
 
+function cluster.reload()
+	skynet.call(clusterd, "lua", "reload")
+end
+
 skynet.init(function()
 	clusterd = skynet.uniqueservice("clusterd")
 end)

lualib/datacenter.lua

@@ -10,5 +10,9 @@ function datacenter.set(...)
 	return skynet.call("DATACENTER", "lua", "UPDATE", ...)
 end
 
+function datacenter.wait(...)
+	return skynet.call("DATACENTER", "lua", "WAIT", ...)
+end
+
 return datacenter
 

lualib/http/httpd.lua

@@ -0,0 +1,274 @@
+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 recvheader(readbytes, limit, lines, header)
+	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
+		end
+	end
+	local idx = 1
+	for v in header:gmatch("(.-)\r\n") do
+		if v == "" then
+			break
+		end
+		lines[idx] = v
+		idx = idx + 1
+	end
+	for i = idx, #lines do
+		lines[i] = nil
+	end
+	return result
+end
+
+local function 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
+
+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
+
+local tmpline = {}
+
+local function 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
+
+	body = readcrln(readbytes, body)
+	if not body then
+		return
+	end
+	body = recvheader(readbytes, 8192, tmpline, body)
+	if not body then
+		return
+	end
+
+	header = parseheader(tmpline,1,header)
+
+	return result, header
+end
+
+local function readall(readbytes, bodylimit)
+	local body = recvheader(readbytes, 8192, 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 = 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" or mode ~= "chunked" then
+			return 501	-- Not Implemented
+		end
+	end
+
+	if mode == "chunked" then
+		body, header = 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/sockethelper.lua

@@ -0,0 +1,31 @@
+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
+
+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

@@ -1,3 +1,5 @@
+-- This is a deprecated module, use skynet.queue instead.
+
 local skynet = require "skynet"
 local c = require "skynet.c"
 

lualib/skynet.lua

@@ -22,7 +22,7 @@ local skynet = {
 	PTYPE_HARBOR = 5,
 	PTYPE_SOCKET = 6,
 	PTYPE_ERROR = 7,
-	PTYPE_QUEUE = 8,
+	PTYPE_QUEUE = 8,	-- use in deprecated mqueue, use skynet.queue instead
 	PTYPE_DEBUG = 9,
 	PTYPE_LUA = 10,
 	PTYPE_SNAX = 11,
@@ -127,7 +127,7 @@ 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
@@ -151,6 +151,9 @@ function suspend(co, result, command, param, size)
 		-- coroutine exit
 		session_coroutine_id[co] = nil
 		session_coroutine_address[co] = nil
+	elseif command == "QUIT" then
+		-- service exit
+		return
 	else
 		error("Unknown command : " .. command .. "\n" .. debug.traceback(co))
 	end
@@ -229,7 +232,10 @@ function skynet.self()
 end
 
 function skynet.localname(name)
-	return string_to_handle(c.command("QUERY", name))
+	local addr = c.command("QUERY", name)
+	if addr then
+		return string_to_handle(addr)
+	end
 end
 
 function skynet.launch(...)
@@ -257,10 +263,12 @@ function skynet.exit()
 		local address = session_coroutine_address[co]
 		local self = skynet.self()
 		if session~=0 and address then
-			skynet.redirect(self, address, "error", session, "")
+			skynet.redirect(address, self, "error", session, "")
 		end
 	end
 	c.command("EXIT")
+	-- quit service
+	coroutine_yield "QUIT"
 end
 
 function skynet.kill(name)
@@ -325,6 +333,9 @@ 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

lualib/skynet/queue.lua

@@ -0,0 +1,33 @@
+local skynet = require "skynet"
+local coroutine = coroutine
+local pcall = pcall
+local table = table
+
+function skynet.queue()
+	local current_thread
+	local ref = 0
+	local thread_queue = {}
+	return function(f, ...)
+		local thread = coroutine.running()
+		if ref == 0 then
+			current_thread = thread
+		elseif current_thread ~= thread then
+			table.insert(thread_queue, thread)
+			skynet.wait()
+			assert(ref == 0)
+		end
+		ref = ref + 1
+		local ok, err = pcall(f, ...)
+		ref = ref - 1
+		if ref == 0 then
+			current_thread = nil
+			local co = table.remove(thread_queue,1)
+			if co then
+				skynet.wakeup(co)
+			end
+		end
+		assert(ok,err)
+	end
+end
+
+return skynet.queue

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/loginserver.lua

@@ -0,0 +1,197 @@
+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, ...)
+		if command == "register_slave" then
+			table.insert(slave, source)
+			skynet.ret(skynet.pack(nil))
+		else
+			skynet.ret(skynet.pack(conf.command_handler(command, ...)))
+		end
+	end)
+
+	for i=1,instance do
+		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
+			skynet.call(loginmaster, "lua", "register_slave")
+			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

@@ -56,11 +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
@@ -199,6 +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
@@ -318,4 +347,9 @@ function socket.abandon(id)
 	socket_pool[id] = nil
 end
 
+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
@@ -135,6 +136,9 @@ local function dispatch_by_order(self)
 				if result ~= socket_error then
 					errmsg = result_ok
 				end
+				self.__result[co] = socket_error
+				self.__result_data[co] = errmsg
+				skynet.wakeup(co)
 				wakeup_all(self, errmsg)
 			end
 		end
@@ -149,34 +153,66 @@ 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
@@ -289,6 +325,20 @@ 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_harbor.c

@@ -315,7 +315,9 @@ forward_local_messsage(struct harbor *h, void *msg, int sz) {
 	int type = (destination >> HANDLE_REMOTE_SHIFT) | PTYPE_TAG_DONTCOPY;
 	destination = (destination & HANDLE_MASK) | ((uint32_t)h->id << HANDLE_REMOTE_SHIFT);
 
-	skynet_send(h->ctx, header.source, destination, type, (int)header.session, (void *)msg, sz-HEADER_COOKIE_LENGTH);
+	if (skynet_send(h->ctx, header.source, destination, type, (int)header.session, (void *)msg, sz-HEADER_COOKIE_LENGTH) < 0) {
+		skynet_error(h->ctx, "Unknown destination :%x from :%x", destination, header.source);
+	}
 }
 
 static void
@@ -515,7 +517,7 @@ remote_send_handle(struct harbor *h, uint32_t source, uint32_t destination, int
 			}
 			struct remote_message_header header;
 			header.source = source;
-			header.destination = type << HANDLE_REMOTE_SHIFT;
+			header.destination = (type << HANDLE_REMOTE_SHIFT) | (destination & HANDLE_MASK);
 			header.session = (uint32_t)session;
 			push_queue(s->queue, (void *)msg, sz, &header);
 			return 1;

service/clusterd.lua

@@ -5,7 +5,14 @@ local cluster = require "cluster.c"
 
 local config_name = skynet.getenv "cluster"
 local node_address = {}
-assert(loadfile(config_name, "t", node_address))()
+
+local function loadconfig()
+	local f = assert(io.open(config_name))
+	local source = f:read "*a"
+	f:close()
+	assert(load(source, "@"..config_name, "t", node_address))()
+end
+
 local node_session = {}
 local command = {}
 
@@ -30,6 +37,11 @@ end
 
 local node_channel = setmetatable({}, { __index = open_channel })
 
+function command.reload()
+	loadconfig()
+	skynet.ret(skynet.pack(nil))
+end
+
 function command.listen(source, addr, port)
 	local gate = skynet.newservice("gate")
 	if port == nil then
@@ -53,8 +65,13 @@ local request_fd = {}
 function command.socket(source, subcmd, fd, msg)
 	if subcmd == "data" then
 		local addr, session, msg = cluster.unpackrequest(msg)
-		local msg, sz = skynet.rawcall(addr, "lua", msg)
-		local response = cluster.packresponse(session, msg, sz)
+		local ok , msg, sz = pcall(skynet.rawcall, addr, "lua", msg)
+		local response
+		if ok then
+			response = cluster.packresponse(session, true, msg, sz)
+		else
+			response = cluster.packresponse(session, false, msg)
+		end
 		socket.write(fd, response)
 	elseif subcmd == "open" then
 		skynet.error(string.format("socket accept from %s", msg))
@@ -65,7 +82,8 @@ function command.socket(source, subcmd, fd, msg)
 end
 
 skynet.start(function()
-	skynet.dispatch("lua", function(_, source, cmd, ...)
+	loadconfig()
+	skynet.dispatch("lua", function(session , source, cmd, ...)
 		local f = assert(command[cmd])
 		f(source, ...)
 	end)

service/datacenterd.lua

@@ -2,6 +2,8 @@ local skynet = require "skynet"
 
 local command = {}
 local database = {}
+local wait_queue = {}
+local mode = {}
 
 local function query(db, key, ...)
 	if key == nil then
@@ -22,7 +24,7 @@ local function update(db, key, value, ...)
 	if select("#",...) == 0 then
 		local ret = db[key]
 		db[key] = value
-		return ret
+		return ret, value
 	else
 		if db[key] == nil then
 			db[key] = {}
@@ -31,13 +33,82 @@ local function update(db, key, value, ...)
 	end
 end
 
+local function wakeup(db, key1, key2, value, ...)
+	if key1 == nil then
+		return
+	end
+	local q = db[key1]
+	if q == nil then
+		return
+	end
+	if q[mode] == "queue" then
+		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, "")
+			end
+		else
+			return q
+		end
+	else
+		-- it's branch
+		return wakeup(q , key2, value, ...)
+	end
+end
+
 function command.UPDATE(...)
-	return update(database, ...)
+	local ret, value = update(database, ...)
+	if ret or value == nil then
+		return ret
+	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))
+		end
+	end
+end
+
+local function waitfor(session, source, db, key1, key2, ...)
+	if key2 == nil then
+		-- push queue
+		local q = db[key1]
+		if q == nil then
+			q = { [mode] = "queue" }
+			db[key1] = q
+		else
+			assert(q[mode] == "queue")
+		end
+		table.insert(q, { session, source })
+	else
+		local q = db[key1]
+		if q == nil then
+			q = { [mode] = "branch" }
+			db[key1] = q
+		else
+			assert(q[mode] == "branch")
+		end
+		return waitfor(session, source, q, key2, ...)
+	end
 end
 
 skynet.start(function()
-	skynet.dispatch("lua", function (_, source, cmd, ...)
-		local f = assert(command[cmd])
-		skynet.ret(skynet.pack(f(...)))
+	skynet.dispatch("lua", function (session, source, cmd, ...)
+		if cmd == "WAIT" then
+			local ret = command.QUERY(...)
+			if ret then
+				skynet.ret(skynet.pack(ret))
+			else
+				waitfor(session, source, wait_queue, ...)
+			end
+		else
+			local f = assert(command[cmd])
+			skynet.ret(skynet.pack(f(...)))
+		end
 	end)
 end)

service/gate.lua

@@ -1,84 +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 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.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
@@ -89,67 +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,
 	}
 	connection[fd] = c
-	client_number = client_number + 1
-	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/service_mgr.lua

@@ -176,7 +176,7 @@ skynet.start(function()
 		end
 	end)
 	local handle = skynet.localname ".service"
-	if  handle ~= 0 then
+	if  handle then
 		skynet.error(".service is already register by ", skynet.address(handle))
 		skynet.exit()
 	else

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);
@@ -83,6 +83,19 @@ 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)\
+	print(code)\
+	f:close()\
+	local result = {}\
+	assert(load(code,\'=(load)\',\'t\',result))()\
+	return result\
+";
+
 int
 main(int argc, char *argv[]) {
 	const char * config_file = "config";
@@ -98,11 +111,12 @@ 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

@@ -245,7 +245,7 @@ skynet_context_dispatchall(struct skynet_context * ctx) {
 }
 
 struct message_queue * 
-skynet_context_message_dispatch(struct skynet_monitor *sm, struct message_queue *q) {
+skynet_context_message_dispatch(struct skynet_monitor *sm, struct message_queue *q, int weight) {
 	if (q == NULL) {
 		q = skynet_globalmq_pop();
 		if (q==NULL)
@@ -261,18 +261,27 @@ skynet_context_message_dispatch(struct skynet_monitor *sm, struct message_queue
 		return skynet_globalmq_pop();
 	}
 
+	int i,n=1;
 	struct skynet_message msg;
-	if (skynet_mq_pop(q,&msg)) {
-		skynet_context_release(ctx);
-		return skynet_globalmq_pop();
-	}
 
-	skynet_monitor_trigger(sm, msg.source , handle);
+	for (i=0;i<n;i++) {
+		if (skynet_mq_pop(q,&msg)) {
+			skynet_context_release(ctx);
+			return skynet_globalmq_pop();
+		} else if (i==0 && weight >= 0) {
+			n = skynet_mq_length(q);
+			n >>= weight;
+		}
 
-	if (ctx->cb == NULL) {
-		skynet_free(msg.data);
-	} else {
-		_dispatch_message(ctx, &msg);
+		skynet_monitor_trigger(sm, msg.source , handle);
+
+		if (ctx->cb == NULL) {
+			skynet_free(msg.data);
+		} else {
+			_dispatch_message(ctx, &msg);
+		}
+
+		skynet_monitor_trigger(sm, 0,0);
 	}
 
 	assert(q == ctx->queue);
@@ -285,8 +294,6 @@ skynet_context_message_dispatch(struct skynet_monitor *sm, struct message_queue
 	} 
 	skynet_context_release(ctx);
 
-	skynet_monitor_trigger(sm, 0,0);
-
 	return q;
 }
 
@@ -361,8 +368,10 @@ static const char *
 cmd_query(struct skynet_context * context, const char * param) {
 	if (param[0] == '.') {
 		uint32_t handle = skynet_handle_findname(param+1);
-		sprintf(context->result, ":%x", handle);
-		return context->result;
+		if (handle) {
+			sprintf(context->result, ":%x", handle);
+			return context->result;
+		}
 	}
 	return NULL;
 }

skynet-src/skynet_server.h

@@ -16,7 +16,7 @@ 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 *);
-struct message_queue * skynet_context_message_dispatch(struct skynet_monitor *, struct message_queue *);	// return next queue
+struct message_queue * skynet_context_message_dispatch(struct skynet_monitor *, struct message_queue *, int weight);	// return next queue
 int skynet_context_total();
 void skynet_context_dispatchall(struct skynet_context * context);	// for skynet_error output before exit
 

skynet-src/skynet_socket.c

@@ -150,3 +150,8 @@ skynet_socket_start(struct skynet_context *ctx, int id) {
 	uint32_t source = skynet_context_handle(ctx);
 	socket_server_start(SOCKET_SERVER, source, id);
 }
+
+void
+skynet_socket_nodelay(struct skynet_context *ctx, int id) {
+	socket_server_nodelay(SOCKET_SERVER, id);
+}

skynet-src/skynet_socket.h

@@ -28,5 +28,6 @@ int skynet_socket_connect(struct skynet_context *ctx, const char *host, int port
 int skynet_socket_bind(struct skynet_context *ctx, int fd);
 void skynet_socket_close(struct skynet_context *ctx, int id);
 void skynet_socket_start(struct skynet_context *ctx, int id);
+void skynet_socket_nodelay(struct skynet_context *ctx, int id);
 
 #endif

skynet-src/skynet_start.c

@@ -27,6 +27,7 @@ struct monitor {
 struct worker_parm {
 	struct monitor *m;
 	int id;
+	int weight;
 };
 
 #define CHECK_ABORT if (skynet_context_total()==0) break;
@@ -118,12 +119,13 @@ static void *
 _worker(void *p) {
 	struct worker_parm *wp = p;
 	int id = wp->id;
+	int weight = wp->weight;
 	struct monitor *m = wp->m;
 	struct skynet_monitor *sm = m->m[id];
 	skynet_initthread(THREAD_WORKER);
 	struct message_queue * q = NULL;
 	for (;;) {
-		q = skynet_context_message_dispatch(sm, q);
+		q = skynet_context_message_dispatch(sm, q, weight);
 		if (q == NULL) {
 			CHECK_ABORT
 			if (pthread_mutex_lock(&m->mutex) == 0) {
@@ -169,10 +171,20 @@ _start(int thread) {
 	create_thread(&pid[1], _timer, m);
 	create_thread(&pid[2], _socket, m);
 
+	static int weight[] = { 
+		-1, -1, -1, -1, 0, 0, 0, 0,
+		1, 1, 1, 1, 1, 1, 1, 1, 
+		2, 2, 2, 2, 2, 2, 2, 2, 
+		3, 3, 3, 3, 3, 3, 3, 3, };
 	struct worker_parm wp[thread];
 	for (i=0;i<thread;i++) {
 		wp[i].m = m;
 		wp[i].id = i;
+		if (i < sizeof(weight)/sizeof(weight[0])) {
+			wp[i].weight= weight[i];
+		} else {
+			wp[i].weight = 0;
+		}
 		create_thread(&pid[i+3], _worker, &wp[i]);
 	}
 

skynet-src/socket_server.c

@@ -5,6 +5,7 @@
 
 #include <sys/types.h>
 #include <sys/socket.h>
+#include <netinet/tcp.h>
 #include <unistd.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -34,6 +35,8 @@
 #define PRIORITY_HIGH 0
 #define PRIORITY_LOW 1
 
+#define HASH_ID(id) (((unsigned)id) % MAX_SOCKET)
+
 struct write_buffer {
 	struct write_buffer * next;
 	char *ptr;
@@ -107,6 +110,12 @@ struct request_start {
 	uintptr_t opaque;
 };
 
+struct request_setopt {
+	int id;
+	int what;
+	int value;
+};
+
 struct request_package {
 	uint8_t header[8];	// 6 bytes dummy
 	union {
@@ -117,6 +126,7 @@ struct request_package {
 		struct request_listen listen;
 		struct request_bind bind;
 		struct request_start start;
+		struct request_setopt setopt;
 	} u;
 	uint8_t dummy[256];
 };
@@ -144,7 +154,7 @@ reserve_id(struct socket_server *ss) {
 		if (id < 0) {
 			id = __sync_and_and_fetch(&(ss->alloc_id), 0x7fffffff);
 		}
-		struct socket *s = &ss->slot[id % MAX_SOCKET];
+		struct socket *s = &ss->slot[HASH_ID(id)];
 		if (s->type == SOCKET_TYPE_INVALID) {
 			if (__sync_bool_compare_and_swap(&s->type, SOCKET_TYPE_INVALID, SOCKET_TYPE_RESERVE)) {
 				s->id = id;
@@ -267,7 +277,7 @@ check_wb_list(struct wb_list *s) {
 
 static struct socket *
 new_fd(struct socket_server *ss, int id, int fd, uintptr_t opaque, bool add) {
-	struct socket * s = &ss->slot[id % MAX_SOCKET];
+	struct socket * s = &ss->slot[HASH_ID(id)];
 	assert(s->type == SOCKET_TYPE_RESERVE);
 
 	if (add) {
@@ -357,7 +367,7 @@ open_socket(struct socket_server *ss, struct request_open * request, struct sock
 	return -1;
 _failed:
 	freeaddrinfo( ai_list );
-	ss->slot[id % MAX_SOCKET].type = SOCKET_TYPE_INVALID;
+	ss->slot[HASH_ID(id)].type = SOCKET_TYPE_INVALID;
 	return SOCKET_ERROR;
 }
 
@@ -502,7 +512,7 @@ send_buffer_empty(struct socket *s) {
 static int
 send_socket(struct socket_server *ss, struct request_send * request, struct socket_message *result, int priority) {
 	int id = request->id;
-	struct socket * s = &ss->slot[id % MAX_SOCKET];
+	struct socket * s = &ss->slot[HASH_ID(id)];
 	if (s->type == SOCKET_TYPE_INVALID || s->id != id 
 		|| s->type == SOCKET_TYPE_HALFCLOSE
 		|| s->type == SOCKET_TYPE_PACCEPT) {
@@ -556,7 +566,7 @@ _failed:
 	result->id = id;
 	result->ud = 0;
 	result->data = NULL;
-	ss->slot[id % MAX_SOCKET].type = SOCKET_TYPE_INVALID;
+	ss->slot[HASH_ID(id)].type = SOCKET_TYPE_INVALID;
 
 	return SOCKET_ERROR;
 }
@@ -564,7 +574,7 @@ _failed:
 static int
 close_socket(struct socket_server *ss, struct request_close *request, struct socket_message *result) {
 	int id = request->id;
-	struct socket * s = &ss->slot[id % MAX_SOCKET];
+	struct socket * s = &ss->slot[HASH_ID(id)];
 	if (s->type == SOCKET_TYPE_INVALID || s->id != id) {
 		result->id = id;
 		result->opaque = request->opaque;
@@ -612,7 +622,7 @@ start_socket(struct socket_server *ss, struct request_start *request, struct soc
 	result->opaque = request->opaque;
 	result->ud = 0;
 	result->data = NULL;
-	struct socket *s = &ss->slot[id % MAX_SOCKET];
+	struct socket *s = &ss->slot[HASH_ID(id)];
 	if (s->type == SOCKET_TYPE_INVALID || s->id !=id) {
 		return SOCKET_ERROR;
 	}
@@ -633,6 +643,17 @@ start_socket(struct socket_server *ss, struct request_start *request, struct soc
 	return -1;
 }
 
+static void
+setopt_socket(struct socket_server *ss, struct request_setopt *request) {
+	int id = request->id;
+	struct socket *s = &ss->slot[HASH_ID(id)];
+	if (s->type == SOCKET_TYPE_INVALID || s->id !=id) {
+		return;
+	}
+	int v = request->value;
+	setsockopt(s->fd, IPPROTO_TCP, request->what, &v, sizeof(v));
+}
+
 static void
 block_readpipe(int pipefd, void *buffer, int sz) {
 	for (;;) {
@@ -696,6 +717,9 @@ ctrl_cmd(struct socket_server *ss, struct socket_message *result) {
 		return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_HIGH);
 	case 'P':
 		return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_LOW);
+	case 'T':
+		setopt_socket(ss, (struct request_setopt *)buffer);
+		return -1;
 	default:
 		fprintf(stderr, "socket-server: Unknown ctrl %c.\n",type);
 		return -1;
@@ -942,7 +966,7 @@ socket_server_connect(struct socket_server *ss, uintptr_t opaque, const char * a
 // return -1 when error
 int64_t 
 socket_server_send(struct socket_server *ss, int id, const void * buffer, int sz) {
-	struct socket * s = &ss->slot[id % MAX_SOCKET];
+	struct socket * s = &ss->slot[HASH_ID(id)];
 	if (s->id != id || s->type == SOCKET_TYPE_INVALID) {
 		return -1;
 	}
@@ -958,7 +982,7 @@ socket_server_send(struct socket_server *ss, int id, const void * buffer, int sz
 
 void 
 socket_server_send_lowpriority(struct socket_server *ss, int id, const void * buffer, int sz) {
-	struct socket * s = &ss->slot[id % MAX_SOCKET];
+	struct socket * s = &ss->slot[HASH_ID(id)];
 	if (s->id != id || s->type == SOCKET_TYPE_INVALID) {
 		return;
 	}
@@ -1053,4 +1077,11 @@ socket_server_start(struct socket_server *ss, uintptr_t opaque, int id) {
 	send_request(ss, &request, 'S', sizeof(request.u.start));
 }
 
-
+void
+socket_server_nodelay(struct socket_server *ss, int id) {
+	struct request_package request;
+	request.u.setopt.id = id;
+	request.u.setopt.what = TCP_NODELAY;
+	request.u.setopt.value = 1;
+	send_request(ss, &request, 'T', sizeof(request.u.setopt));
+}

skynet-src/socket_server.h

@@ -36,4 +36,6 @@ int socket_server_listen(struct socket_server *, uintptr_t opaque, const char *
 int socket_server_connect(struct socket_server *, uintptr_t opaque, const char * addr, int port);
 int socket_server_bind(struct socket_server *, uintptr_t opaque, int fd);
 
+void socket_server_nodelay(struct socket_server *, int id);
+
 #endif

test/pingserver.lua

@@ -1,4 +1,5 @@
 local skynet = require "skynet"
+local queue = require "skynet.queue"
 
 local i = 0
 local hello = "hello"
@@ -8,9 +9,27 @@ function response.ping(hello)
 	return hello
 end
 
+-- response.sleep and accept.hello share one lock
+local lock
+
+function accept.sleep(queue, n)
+	if queue then
+		lock(
+		function()
+			print("queue=",queue, n)
+			skynet.sleep(n)
+		end)
+	else
+		print("queue=",queue, n)
+		skynet.sleep(n)
+	end
+end
+
 function accept.hello()
+	lock(function()
 	i = i + 1
 	print (i, hello)
+	end)
 end
 
 function response.error()
@@ -19,6 +38,8 @@ end
 
 function init( ... )
 	print ("ping server start:", ...)
+	-- init queue
+	lock = queue()
 
 -- You can return "queue" for queue service mode
 --	return "queue"

test/testdatacenter.lua

@@ -0,0 +1,23 @@
+local skynet = require "skynet"
+local datacenter = require "datacenter"
+
+local function f1()
+	print("====1==== wait hello")
+	print("\t1>",datacenter.wait ("hello"))
+	print("====1==== wait key.foobar")
+	print("\t1>", pcall(datacenter.wait,"key"))	-- will failed, because "key" is a branch
+	print("\t1>",datacenter.wait ("key", "foobar"))
+end
+
+local function f2()
+	skynet.sleep(10)
+	print("====2==== set key.foobar")
+	datacenter.set("key", "foobar", "bingo")
+end
+
+skynet.start(function()
+	datacenter.set("hello", "world")
+	print(datacenter.get "hello")
+	skynet.fork(f1)
+	skynet.fork(f2)
+end)

test/testdeadcall.lua

@@ -17,9 +17,7 @@ else
 		local test = skynet.newservice(SERVICE_NAME, "test")	-- launch self in test mode
 
 		print(pcall(function()
-			skynet.send(test,"lua", "hello world")
-			skynet.send(test,"lua", "never get there")
-			skynet.call(test,"lua", "fake call")
+			skynet.call(test,"lua", "dead call")
 		end))
 
 		skynet.exit()

test/testqueue.lua

@@ -0,0 +1,18 @@
+local skynet = require "skynet"
+local snax = require "snax"
+
+skynet.start(function()
+	local ps = snax.uniqueservice ("pingserver", "test queue")
+	for i=1, 10 do
+		ps.post.sleep(true,i*10)
+		ps.post.hello()
+	end
+	for i=1, 10 do
+		ps.post.sleep(false,i*10)
+		ps.post.hello()
+	end
+
+	skynet.exit()
+end)
+
+

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
@@ -30,7 +30,7 @@ else
 	local function accept(id)
 		socket.start(id)
 		socket.write(id, "Hello Skynet\n")
-		skynet.newservice("testsocket", "agent", id)
+		skynet.newservice(SERVICE_NAME, "agent", id)
 		-- notice: Some data on this connection(id) may lost before new service start.
 		-- So, be careful when you want to use start / abandon / start .
 		socket.abandon(id)