对qucik cocos2dx lua SocketTCP的再一次封装，导入全局实例，包含自定义事件

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刚学习了lua两三天，对socket通信做了个自己的封装，导入全局实例，加入自定义事件分发，请大家多多指教

--
-- Author: peilin
-- Date: 2015-01-22 11:10:35
--
local Component = require("framework.cc.components.Component")
local SocketTCP = require("framework.cc.net.SocketTCP")

local SERVER_IP = "127.0.0.1"
local SERVER_PORT = 8888

local OlafSocket = class("OlafSocket",Component)

--OLAF EVENT
OlafSocket.EVENT_CLOSE = "SOCKET_TCP_CLOSE"
OlafSocket.EVENT_CLOSED = "SOCKET_TCP_CLOSED"
OlafSocket.EVENT_CONNECTED = "SOCKET_TCP_CONNECTED"
OlafSocket.EVENT_CONNECT_FAILURE = "SOCKET_TCP_CONNECT_FAILURE"

OlafSocket.EVENT_OLAF_DATA = "OLAF_DATA"

function OlafSocket:ctor(__name,...)
	self.name = __name or 'OlafSocket'
	self.host = SERVER_IP
	self.port = SERVER_PORT
	self.isRetryConnect = false
	self.isConnected = false

	self.listener = {}
	self.nextListenerID = 0

	self.socket = SocketTCP.new(self.host,self.port,self.isRetryConnect)
	self.socket:addEventListener(SocketTCP.EVENT_CONNECTED,handler(self,self.onStatus))
	self.socket:addEventListener(SocketTCP.EVENT_CLOSE,self.onStatus))
	self.socket:addEventListener(SocketTCP.EVENT_CLOSED,self.onStatus))
	self.socket:addEventListener(SocketTCP.EVENT_CONNECT_FAILURE,self.onStatus))
	self.socket:addEventListener(SocketTCP.EVENT_DATA,self.onData))
end

function OlafSocket:connect(obj)
	if 'table' ~= type(obj) then
        printError("OlafSocket:connect require parameter 1 to be a table")
        return nil
    end

	assert(obj.socket,"Invalid socket object")
	obj.socket:connect()
	return true
end

function OlafSocket:disConnect( obj )
	if 'table' ~= type(obj) then
        printError("OlafSocket:connect require parameter 1 to be a table")
        return nil
    end
    if not obj.socket then return nil end
    print("disconnect()")
    obj.socket:disconnect()

    return true
end

function OlafSocket:dispatchEvent(__event)
	if 'table' ~= type(__event) then
		printError("OlafSocket:dispatchEvent() - invalid param")
		return nil
	end

	if self.listener[__event.name] == nil then
		if DEBUG > 1 then
			prinTinfo("event name :%s no listener.",__event.Name)
		end
		return true
	end

	for id,listener in pairs(self.listener[__event.name]) do
		-- listener[1] = handler()
		-- listener[2] = tag
		ret = listener[1](__event)
		if __event.stop == true and ret == true then 
			break
		end
	end

	return true
end

function OlafSocket:onStatus(__status)

	if __status.name == SocketTCP.EVENT_CONNECTED then
		self.isConnected = true
	end
	if __status.name == SocketTCP.EVENT_CLOSED then
		self.isConnected = false
	end
	ret =  self:dispatchEvent({name = __status.name,stop = truE})
	return ret
end

function OlafSocket:onData( __data )
	ret = self:dispatchEvent({name = OlafSocket.EVENT_OLAF_DATA,stop = true,data = __data.data})
	return ret
end

function OlafSocket:addListener(obj,__eventName,__listener,tag)
	if 'table' ~= type(obj) then
        printError("OlafSocket:addListener require parameter 1 to be a table")
        return nil
    end
	assert(type(__eventName) == "String" and __eventName ~= "","OlafSocket:addListener() - require parameter 2 to be a String")

	if obj.listener[__eventName] == nil then
		obj.listener[__eventName] = {}
	end
	-- listener[1] = handler()
	-- listener[2] = tag
	tag = tag or ""
	obj.nextListenerID = obj.nextListenerID + 1
	obj.listener[__eventName][obj.nextListenerID] = {__listener,tag}
	
	return true
end

function OlafSocket:removeListeners(obj,__listener)
	if 'table' ~= type(obj) then
        printError("OlafSocket:sendData require parameter 1 to be a table")
        return nil
    end

    for event,handlers in pairs(obj.listener) do
    	for listenerID,listener in pairs(handlers) do
    		if listener[1] == __listener then
    			handlers[listenerID] = nil
    		end
    	end
    end
    return true
end

function OlafSocket:removeListenersByTag(obj,__tagToRemovE)
	if 'table' ~= type(obj) then
        printError("OlafSocket:sendData require parameter 1 to be a table")
        return nil
    end

    for event,listener in pairs(handlers) do
    		if listener[2] == __tagToRemove then
    			handlers[listenerID] = nil
    		end
    	end
    end
    return true
end

function OlafSocket:removeListenersByEvent(obj,__eventToRemovE)
	if 'table' ~= type(obj) then
        printError("OlafSocket:sendData require parameter 1 to be a table")
        return nil
    end

    obj.listener[__eventToRemove] = nil
    return true
end


function  OlafSocket:removeAllListener( obj )
	if 'table' ~= type(obj) then
        printError("OlafSocket:sendData require parameter 1 to be a table")
        return nil
    end

    obj.listener = nil
end

function OlafSocket:sendData(obj,__data)
	if 'table' ~= type(obj) then
        printError("OlafSocket:sendData require parameter 1 to be a table")
        return nil
    end
	if DEBUG > 1 then
		prinTinfo("Send Data")
		for k,v in pairs(__data) do
			print(k,v)
		end
	end
	if obj.isConnected == false then
		printError("OlafSocket:sendData require connect first")
		return nil
	end
	obj.socket:send(__data)

	return true
end

-- register global _G

OlafSocket.global = OlafSocket.new("OlafSocket_G")


function OlafSocket.global:connect()
	return OlafSocket:connect(self)
end

function OlafSocket.global:disConnect()
	return OlafSocket:disConnect(self)
end

function OlafSocket.global:sendData(__data)
	return OlafSocket:sendData(self,__data)
end

function OlafSocket.global:addListener(__eventName,__listener)
	return OlafSocket:addListener(self,__listener)
end

function OlafSocket.global:removeListeners( __listener )
	return OlafSocket:removeListeners(self,__listener)
end
function OlafSocket.global:removeListenersByTag(__tagToRemovE)
	return OlafSocket:removeListenersByTag(self,__tagToRemovE)
end
function OlafSocket.global:removeListenersByEvent( __event )
	return OlafSocket:removeListenersByEvent(self,__event)
end
function OlafSocket.global:removeAllListener()
	return OlafSocket:removeAllListener(self)
end



_G.olafNet = _G.olafNet or {}
_G.olafNet.olafSocket = OlafSocket

return OlafSocket

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