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distri.lua(discard,See Chuck)

distri.lua is a lua concurrency networking framework aid to help the developer to fast build online game server ,web application,light distributed system and so on.

Features include:

  • Fast event loop
  • Supported TCP and UDP
  • Cooperative socket library
  • RPC framework
  • Supported Linux and FreeBSD
  • Cooperative dns query
  • Lighted HttpServer
  • SSL Connection
  • WebSocket
  • local and remote debug of lua
  • integrate redis client interface(Synchronous and asynchronous)

distri.lua is licensed under GPL license.

get distri.lua

Install lua 5.2.

Clone the repository.

Post feedback and issues on the bug tracker,

build

in Ubuntu

sudo apt-get install libssl-dev
sudo apt-get install libreadline-dev

make

in FreeBSD

gmake

running tests

pingpong test

./distrilua samples/hello.lua
./distrilua samples/pingclient.lua

rpc test

./distrilua samples/rpcserver.lua
./distrilua samples/rpcclient.lua

to-do list

  • Cooperative dns query
  • WebSocket
  • debuger

http test

local Http = require "lua/http"
Http.CreateServer(function (req, res) 
    res:WriteHead(200,"OK", {"Content-Type: text/plain"})
    res:End("Hello World\n");
    end):Listen("127.0.0.1",8001)

print("create server on 127.0.0.1 8001")

udp test

server

local Socket = require "lua.socket"
local Timer = require "lua.timer"
local Sche = require "lua.sche"

local count = 0
local s = Socket.Datagram.New(CSocket.AF_INET,1024,Socket.Datagram.RDecoder())
s:Listen("127.0.0.1",8010)


Sche.Spawn(function ()
	while true do
		local rpk,from = s:Recv()
		--print(from[1],from[2],from[3])
		count = count + 1
		s:Send(Socket.WPacket(rpk),from)
	end
end)

local last = C.GetSysTick()
local timer = Timer.New():Register(function ()
	local now = C.GetSysTick()
	print(string.format("count:%d",count*1000/(now-last)))
	count = 0
	last = now
end,1000):Run()

client

local Socket = require "lua.socket"

local s = Socket.Datagram.New(CSocket.AF_INET,1024,Socket.Datagram.RDecoder())
for i = 1,3 do
	local wpk = Socket.WPacket(1024)
	wpk:Write_string("hello")
	s:Send(wpk,{CSocket.AF_INET,"127.0.0.1",8010})
end

while true do
	local rpk,from = s:Recv()
	s:Send(Socket.WPacket(rpk),from)
end

RPC test

server

local TcpServer = require "lua.tcpserver"
local App = require "lua.application"
local RPC = require "lua.rpc"
local Timer = require "lua.timer"
local Sche = require "lua.sche"
local Socket = require "lua.socket"


local count = 0

local rpcserver = App.New()

rpcserver:RPCService("Plus",function (_,a,b)
	count = count + 1 
	return a+b 
end)

local success

local success = not TcpServer.Listen("127.0.0.1",8000,function (client)
			print("on new client")		
			rpcserver:Add(client:Establish(Socket.Stream.RDecoder()))		
	end)


if success then
	print("server start on 127.0.0.1:8000")
	local last = C.GetSysTick()
	local timer = Timer.New():Register(function ()
		local now = C.GetSysTick()
		print(string.format("cocount:%d,rpccount:%d,elapse:%d",
				     Sche.GetCoCount(),count*1000/(now-last),now-last))
		count = 0
		last = now
	end,1000):Run()
else
	print("server start error")
end

client

local Socket = require "lua.socket"
local App = require "lua.application"
local RPC = require "lua.rpc"
local Sche = require "lua.sche"

local rpcclient = App.New()

for i=1,10 do
	Sche.Spawn(function () 
		local client = Socket.Stream.New(CSocket.AF_INET)
		if client:Connect("127.0.0.1",8000) then
			print("connect to 127.0.0.1:8000 error")
			return
		end		
		rpcclient:Add(client:Establish(Socket.Stream.RDecoder()),nil,on_disconnected)
		local rpcHandler = RPC.MakeRPC(client,"Plus")
		for j=1,100 do
			Sche.Spawn(function (client)
				while true do			
					local err,ret = rpcHandler:Call(1,2)
					if err then
						print("rpc error:" .. err)
						client:Close()
						return
					end
				end
			end,client)
		end
	end)	
end

test redis client

local Redis = require "lua.redis"
local Sche = require "lua.sche"
local Timer = require "lua.timer"


local count = 0
local toredis

local function connect_to_redis()
	print("here")
    if toredis then
		print("to redis disconnected")
    end
    toredis = nil
	Sche.Spawn(function ()
		while true do
			local err
			err,toredis = Redis.Connect("127.0.0.1",6379,connect_to_redis)
			if toredis then
				break
			end
			print("try to connect after 1 sec")
			Sche.Sleep(1000)
		end
	end)	
end

connect_to_redis()

while not toredis do
	Sche.Yield()
end

local err,result = toredis:CommandSync("hmget test nickname")

if result then
	for k,v in pairs(result) do
		print(k,v)
	end
end

demo of online game

see Survive