mirror of
https://github.com/cloudwu/skynet.git
synced 2026-07-23 11:33:09 +00:00
add snax.gateserver snax.loginserver snax.msgserver
This commit is contained in:
@@ -1,3 +1,8 @@
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Dev version
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-----------
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* skynet.exit will quit service immediately.
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* Add snax.gateserver, snax.loginserver, snax.msgserver
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v0.4.2 (2014-7-14)
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-----------
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* Bugfix : invalid negative socket id
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@@ -1,18 +1,5 @@
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package.cpath = "luaclib/?.so"
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--[[ Status code
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200 OK
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400 Bad Request (通常是登陆协议错误)
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401 Unauthorized (通常是登陆服务器或游戏服务器验证错误)
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403 Forbidden (通常是连接游戏服务器的 index 已经过期)
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404 Not Found (通常是游戏服务器未获得登陆服务器的通知)
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406 Not Acceptable (通常是登陆服务器转发游戏服务器拒绝登陆)
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412 Precondition Failed (通常是遗漏了和游戏服务器前次通讯的请求)
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]]
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local socket = require "clientsocket"
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local crypt = require "crypt"
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@@ -72,16 +59,38 @@ local b = crypt.base64encode(etoken)
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socket.writeline(fd, crypt.base64encode(etoken))
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local result = readline()
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print(result)
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local code = tonumber(string.sub(result, 1, 3))
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assert(code == 200)
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socket.close(fd)
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local subid = crypt.base64decode(string.sub(result, 5))
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print("login ok, subid=", subid)
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----- connect to game server
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local session = 0
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local function send_request(v)
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session = session + 1
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local s = string.char(bit32.extract(session,24,8), bit32.extract(session,16,8), bit32.extract(session,8,8), bit32.extract(session,0,8))
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socket.send(fd , v..s)
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return session, v
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end
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local function recv_response(v)
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local content = v:sub(1,-6)
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local ok = v:sub(-5,-5):byte()
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local session = 0
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for i=-4,-1 do
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local c = v:byte(i)
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session = session + bit32.lshift(c,(-1-i) * 8)
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end
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return ok ~=0 , session, content
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end
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local input = {}
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local fd = assert(socket.connect("127.0.0.1", 8888))
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local function readpackage()
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local line = table.remove(input, 1)
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@@ -106,20 +115,32 @@ local function readpackage()
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end
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end
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local index = 0
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local request = 0
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local handshake = string.format("%s#%s@%s:%d:%d", crypt.base64encode(token.user), crypt.base64encode(subid),crypt.base64encode(token.server) , index, request)
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local hmac = crypt.hmac64(crypt.hashkey(handshake), secret)
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socket.send(fd, handshake .. ":" .. crypt.base64encode(hmac))
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print(readpackage())
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socket.send(fd , "echo")
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print(readpackage())
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local index = 1
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local function echo(text)
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print("connect")
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local fd = assert(socket.connect("127.0.0.1", 8888))
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input = {}
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local handshake = string.format("%s@%s#%s:%d", crypt.base64encode(token.user), crypt.base64encode(token.server),crypt.base64encode(subid) , index)
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local hmac = crypt.hmac64(crypt.hashkey(handshake), secret)
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socket.send(fd, handshake .. ":" .. crypt.base64encode(hmac))
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print(readpackage())
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print("===>",send_request(text))
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print("===>",send_request(text .. " again"))
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print("<===",recv_response(readpackage()))
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print("<===",recv_response(readpackage()))
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print("disconnect")
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socket.close(fd)
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end
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echo "hello"
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index = index + 1
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echo "world"
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88
examples/login/gated.lua
Normal file
88
examples/login/gated.lua
Normal file
@@ -0,0 +1,88 @@
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local msgserver = require "snax.msgserver"
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local crypt = require "crypt"
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local skynet = require "skynet"
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local loginservice = tonumber(...)
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local server = {}
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local users = {}
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local username_map = {}
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local internal_id = 0
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-- login server disallow multi login, so login_handler never be reentry
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-- call by login server
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function server.login_handler(uid, secret)
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if users[uid] then
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error(string.format("%s is already login", uid))
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end
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internal_id = internal_id + 1
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local username = msgserver.username(uid, internal_id, servername)
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-- you can use a pool to alloc new agent
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local agent = skynet.newservice "msgagent"
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local u = {
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username = username,
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agent = agent,
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uid = uid,
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subid = internal_id,
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}
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-- trash subid (no used)
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skynet.call(agent, "lua", "login", uid, internal_id, secret)
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users[uid] = u
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username_map[username] = u
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msgserver.login(username, secret)
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-- you should return unique subid
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return internal_id
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end
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-- call by agent
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function server.logout_handler(uid, subid)
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local u = users[uid]
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if u then
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local username = msgserver.username(uid, subid, servername)
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assert(u.username == username)
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msgserver.logout(u.username)
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users[uid] = nil
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username_map[u.username] = nil
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skynet.call(loginservice, "lua", "logout",uid, subid)
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end
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end
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-- call by login server
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function server.kick_handler(uid, subid)
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local u = users[uid]
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if u then
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local username = msgserver.username(uid, subid, servername)
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assert(u.username == username)
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-- NOTICE: logout may call skynet.exit, so you should use pcall.
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pcall(skynet.call, u.agent, "lua", "logout")
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end
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end
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-- call by self (when socket disconnect)
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function server.disconnect_handler(username)
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local u = username_map[username]
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if u then
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skynet.call(u.agent, "lua", "afk")
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end
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end
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-- call by self (when recv a request from client)
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function server.request_handler(username, msg, sz)
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local u = username_map[username]
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return skynet.tostring(skynet.rawcall(u.agent, "client", msg, sz))
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end
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-- call by self (when gate open)
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function server.register_handler(name)
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servername = name
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skynet.call(loginservice, "lua", "register_gate", servername, skynet.self())
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end
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msgserver.start(server)
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@@ -1,26 +1,17 @@
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local login = require "gamefw.loginserver"
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local login = require "snax.loginserver"
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local crypt = require "crypt"
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local skynet = require "skynet"
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local server = {
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host = "127.0.0.1",
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port = 8001,
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multilogin = false, -- disallow multilogin
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name = "login_master",
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}
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local server_list = {}
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local user_online = {}
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local server_mt = {}
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server_mt.__index = server_mt
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function server_mt:kick(uid)
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return skynet.call(self.address, "lua", "kick", self.name, uid)
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end
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function server_mt:login(uid, secret)
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return skynet.call(self.address, "lua", "login", self.name, uid, secret)
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end
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local user_login = {}
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function server.auth_handler(token)
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-- the token is base64(user)@base64(server):base64(password)
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@@ -34,27 +25,31 @@ end
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function server.login_handler(server, uid, secret)
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print(string.format("%s@%s is login, secret is %s", uid, server, crypt.hexencode(secret)))
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local u = user_online[uid]
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if u then
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u:kick(uid)
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end
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assert(user_online[uid] == nil, "kick failed")
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local gameserver = assert(server_list[server], "Unknown server")
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local subid = gameserver:login(uid, secret)
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user_online[uid] = gameserver
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return tostring(subid)
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-- only one can login, because disallow multilogin
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local last = user_online[uid]
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if last then
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skynet.call(last.address, "lua", "kick", uid, last.subid)
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end
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if user_online[uid] then
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error(string.format("user %s is already online", uid))
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end
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local subid = tostring(skynet.call(gameserver, "lua", "login", uid, secret))
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user_online[uid] = { address = gameserver, subid = subid , server = server}
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return subid
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end
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local CMD = {}
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function CMD.register_gate(server, address)
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server_list[server] = setmetatable( { name = server, address = address }, server_mt )
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server_list[server] = address
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end
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function CMD.logout(uid)
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function CMD.logout(uid, subid)
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local u = user_online[uid]
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if u then
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print(string.format("%s@%s is logout", uid, u.name))
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print(string.format("%s@%s is logout", uid, u.server))
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user_online[uid] = nil
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end
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end
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@@ -1,12 +1,12 @@
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local skynet = require "skynet"
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skynet.start(function()
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local loginserver = skynet.newservice "logind"
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local gate = skynet.newservice "msggate"
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local loginserver = skynet.newservice("logind")
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local gate = skynet.newservice("gated", loginserver)
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skynet.call(gate, "lua", "open" , {
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port = 8888,
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maxclient = 64,
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loginserver = loginserver,
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servername = "sample",
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})
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end)
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@@ -7,21 +7,46 @@ skynet.register_protocol {
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}
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local gate
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local userid, subid
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local CMD = {}
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function CMD.init(source , uid, server)
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function CMD.login(source, uid, sid, secret)
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-- you may use secret to make a encrypted data stream
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skynet.error(string.format("%s is login", uid))
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gate = source
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skynet.error(string.format("%s is coming", uid))
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userid = uid
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subid = sid
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-- you may load user data from database
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end
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local function logout()
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if gate then
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skynet.call(gate, "lua", "logout", userid, subid)
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end
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skynet.exit()
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end
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function CMD.logout(source)
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-- NOTICE: The logout MAY be reentry
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skynet.error(string.format("%s is logout", userid))
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logout()
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end
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function CMD.afk(source)
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-- the connection is broken, but the user may back
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skynet.error(string.format("AFK"))
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end
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skynet.start(function()
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skynet.dispatch("lua", function(_, source, command, ...)
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-- If you want to fork a work thread , you MUST do it in CMD.login
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skynet.dispatch("lua", function(session, source, command, ...)
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local f = assert(CMD[command])
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skynet.ret(skynet.pack(f(source, ...)))
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end)
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skynet.dispatch("client", function(_,_, msg)
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-- the simple ehco service
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skynet.ret(msg)
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end)
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end)
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@@ -1,189 +0,0 @@
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local skynet = require "skynet"
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local gateserver = require "gamefw.gateserver"
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local netpack = require "netpack"
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local crypt = require "crypt"
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local socketdriver = require "socketdriver"
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local datacenter = require "datacenter"
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local users = {}
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skynet.register_protocol {
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name = "client",
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id = skynet.PTYPE_CLIENT,
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}
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local handler = {}
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local handshake = {}
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local connection = {}
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local agent = {}
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local login_master
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-- launch an agent service to handle message from client
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local function launch_agent(c)
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local agent = assert(skynet.newservice "msgagent")
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skynet.call(agent, "lua", "init", c.uid, c.server)
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return agent
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end
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function handler.connect(fd, addr)
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skynet.error(string.format("new connection from %s (fd=%d)", addr, fd))
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handshake[fd] = true
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gateserver.openclient(fd)
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end
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local function auth(fd, msg, sz)
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-- base64(uid)@base64(server)#base64(subid):index:request:base64(hmac)
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local message = netpack.tostring(msg, sz)
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local username, index, request , hmac = string.match(message, "([^:]*):([^:]*):([^:]*):([^:]*)")
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local content = users[username]
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if content == nil then
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return "404 Not Found"
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end
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local idx = assert(tonumber(index))
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local req = assert(tonumber(request))
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hmac = crypt.base64decode(hmac)
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if idx < content.index then
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return "403 Forbidden"
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end
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if req > content.request or req < content.reserved then
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return "412 Precondition Failed"
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end
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local text = string.format("%s:%s:%s", username, index, request)
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local v = crypt.hmac64(crypt.hashkey(text), content.secret)
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if v ~= hmac then
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return "401 Unauthorized"
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end
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content.index = idx
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for i=content.reserved, request do
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content.response[i] = nil
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end
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content.reserved = request
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content.reqest = request
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connection[fd] = content
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if content.fd then
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local last_fd = content.fd
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connection[last_fd] = nil
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gateserver.closeclient(last_fd)
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end
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content.fd = fd
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if content.agent == nil then
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content.agent = true
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local ok, agent = pcall(launch_agent, content)
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if ok then
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content.agent = agent
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else
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content.agent = nil
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skynet.error(string.format("Launch agent %s failed : %s", content.uid, agent))
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connection[fd] = nil
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gateserver.closeclient(fd)
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end
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end
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end
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function handler.message(fd, msg, sz)
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if handshake[fd] then
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local ok, result = pcall(auth, fd, msg, sz)
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if not ok then
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result = "400 Bad Request"
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end
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local close = result ~= nil
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if result == nil then
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result = "200 OK"
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end
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socketdriver.send(fd, netpack.pack(result))
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if close then
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gateserver.closeclient(fd)
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end
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handshake[fd] = nil
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else
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local c = connection[fd]
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if c == nil or c.agent == nil then
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local message = netpack.tostring(msg, sz)
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skynet.error(string.format("Unknown fd = %d, message (%s) size = %d", fd, crypt.hexencode(message):sub(1,80), #message))
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return
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end
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c.request = c.request + 1
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local ret = c.response[c.request]
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if ret == nil then
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local ok, msg, sz = pcall(skynet.rawcall, c.agent, "client", msg, sz)
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if ok then
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ret = netpack.pack_string(msg, sz)
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else
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skynet.error(string.format("%s request error : %s", c.username, msg))
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ret = netpack.pack_string ""
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end
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c.response[c.request] = ret
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end
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socketdriver.send(c.fd, ret)
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end
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end
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function handler.close(fd)
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handshake[fd] = nil
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local c = connection[fd]
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if c then
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c.fd = nil
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end
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end
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handler.error = handler.close
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function handler.open(source, conf)
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login_master = assert(conf.loginserver)
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local servername = assert(conf.servername)
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skynet.call(login_master, "lua", "register_gate", servername, skynet.self())
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end
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|
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local CMD = {}
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function CMD.login(source, server, uid, secret)
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local subid = "1"
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local username = crypt.base64encode(uid) .. '#'..crypt.base64encode(subid)..'@' .. crypt.base64encode(server)
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||||
users[username] = {
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server = server,
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||||
uid = uid,
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||||
secret = secret,
|
||||
index = 0,
|
||||
request = 0,
|
||||
reserved = 0,
|
||||
response = {},
|
||||
}
|
||||
return subid
|
||||
end
|
||||
|
||||
function CMD.logout(source)
|
||||
local c = agent[source]
|
||||
if c then
|
||||
skynet.call(login_master, "lua", "logout", c.uid)
|
||||
if c.fd then
|
||||
gateserver.closeclient(c.fd)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
function CMD.kick(source, server, uid)
|
||||
local username = crypt.base64encode(uid) .. '@' .. crypt.base64encode(server)
|
||||
local u = users[username]
|
||||
if u and u.agent then
|
||||
skynet.call(u.agent, "logout")
|
||||
skynet.kill(u.agent)
|
||||
u.agent = nil
|
||||
end
|
||||
end
|
||||
|
||||
function handler.command(cmd, source, ...)
|
||||
local f = assert(CMD[cmd])
|
||||
return f(source, ...)
|
||||
end
|
||||
|
||||
gateserver.start(handler)
|
||||
@@ -457,9 +457,9 @@ lpack_padding(lua_State *L) {
|
||||
size_t content_sz;
|
||||
uint8_t *buffer;
|
||||
const char * ptr = tolstring(L, &content_sz, 2);
|
||||
size_t header_sz = 0;
|
||||
const char * header = luaL_checklstring(L,1,&header_sz);
|
||||
size_t len = header_sz + content_sz;
|
||||
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);
|
||||
@@ -472,8 +472,8 @@ lpack_padding(lua_State *L) {
|
||||
}
|
||||
|
||||
write_size(buffer, len);
|
||||
memcpy(buffer+2, header, header_sz);
|
||||
memcpy(buffer+2+header_sz, ptr, content_sz);
|
||||
memcpy(buffer+2, ptr, content_sz);
|
||||
memcpy(buffer+2+content_sz, cookie, cookie_sz);
|
||||
lua_pushlstring(L, (const char *)buffer, len+2);
|
||||
|
||||
return 1;
|
||||
@@ -486,8 +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;
|
||||
}
|
||||
|
||||
@@ -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
|
||||
@@ -264,6 +267,8 @@ function skynet.exit()
|
||||
end
|
||||
end
|
||||
c.command("EXIT")
|
||||
-- quit service
|
||||
coroutine_yield "QUIT"
|
||||
end
|
||||
|
||||
function skynet.kill(name)
|
||||
|
||||
@@ -40,7 +40,7 @@ function gateserver.start(handler)
|
||||
socket = socketdriver.listen(address, port)
|
||||
socketdriver.start(socket)
|
||||
if handler.open then
|
||||
handler.open(source, conf)
|
||||
return handler.open(source, conf)
|
||||
end
|
||||
end
|
||||
|
||||
@@ -88,8 +88,8 @@ function gateserver.start(handler)
|
||||
end
|
||||
|
||||
function MSG.close(fd)
|
||||
if handler.close then
|
||||
handler.close(fd)
|
||||
if handler.disconnect then
|
||||
handler.disconnect(fd)
|
||||
end
|
||||
close_fd(fd)
|
||||
end
|
||||
@@ -1,6 +1,35 @@
|
||||
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) (A user defined method)
|
||||
|
||||
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 function write(fd, text)
|
||||
assert(socket.write(fd, text), "socket error")
|
||||
@@ -51,6 +80,8 @@ local function launch_slave(auth_handler)
|
||||
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)
|
||||
@@ -61,12 +92,24 @@ local function accept(conf, s, fd, addr)
|
||||
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, "406 Not Acceptable\n")
|
||||
write(fd, "403 Forbidden\n")
|
||||
error(err)
|
||||
end
|
||||
end
|
||||
@@ -92,8 +135,8 @@ local function launch_master(conf)
|
||||
skynet.newservice(SERVICE_NAME)
|
||||
end
|
||||
|
||||
local id = socket.listen(host, port)
|
||||
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
|
||||
299
lualib/snax/msgserver.lua
Normal file
299
lualib/snax/msgserver.lua
Normal file
@@ -0,0 +1,299 @@
|
||||
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 { message, 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[3] < expired_number then
|
||||
response[k] = nil
|
||||
else
|
||||
p[3] = p[3] - expired_number
|
||||
if p[3] > max then
|
||||
max = p[3]
|
||||
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[2] == u.version then
|
||||
u.response[session] = nil
|
||||
p = nil
|
||||
end
|
||||
end
|
||||
|
||||
if p == nil then
|
||||
local ok, result = pcall(conf.request_handler, u.username, msg, msg_sz)
|
||||
-- NOTICE: YIELD here, socket may close.
|
||||
if not ok then
|
||||
skynet.error(result)
|
||||
result = "\0" .. session
|
||||
else
|
||||
result = result .. '\1' .. session
|
||||
end
|
||||
|
||||
p = { netpack.pack_string(result), u.version, u.index }
|
||||
if u.response[session] then
|
||||
skynet.error(string.format("Conflict session %s", crypt.hexencode(session)))
|
||||
end
|
||||
u.response[session] = p
|
||||
else
|
||||
netpack.tostring(msg, sz) -- request before, so free msg
|
||||
-- resend response, and update index p[3].
|
||||
p[3] = u.index
|
||||
end
|
||||
u.index = u.index + 1
|
||||
-- check connect again
|
||||
if connection[fd] then
|
||||
socketdriver.send(fd, p[1])
|
||||
end
|
||||
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
|
||||
@@ -1,5 +1,5 @@
|
||||
local skynet = require "skynet"
|
||||
local gateserver = require "gamefw.gateserver"
|
||||
local gateserver = require "snax.gateserver"
|
||||
local netpack = require "netpack"
|
||||
|
||||
local watchdog
|
||||
@@ -53,7 +53,7 @@ local function close_fd(fd)
|
||||
end
|
||||
end
|
||||
|
||||
function handler.close(fd)
|
||||
function handler.disconnect(fd)
|
||||
close_fd(fd)
|
||||
skynet.send(watchdog, "lua", "socket", "close", fd)
|
||||
end
|
||||
@@ -89,15 +89,6 @@ function CMD.accept(source, fd)
|
||||
end
|
||||
|
||||
function CMD.kick(source, fd)
|
||||
local c
|
||||
if fd then
|
||||
c = connection[fd]
|
||||
else
|
||||
c = forwarding[source]
|
||||
end
|
||||
|
||||
assert(c)
|
||||
|
||||
gateserver.closeclient(fd)
|
||||
end
|
||||
|
||||
|
||||
Reference in New Issue
Block a user