ghost源码分析2013

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1、Gohst源码分析完成端口CWinApp中 InitApplication函数里面实现了窗口显示的一些功能，iocp也是在这里启动的。只是贴上部分代码：//启动IOCP服务器intnPort=m_IniFile.GetInt(_T("Settings"),_T("ListenPort"));intnMaxConnection=m_IniFile.GetInt(_T("Settings"),_T("MaxConnection"));if(nPort==0)nPort=81;if(nMaxConnection==0)

2、nMaxConnection=10000;if(m_IniFile.GetInt(_T("Settings"),_T("MaxConnectionAuto")))nMaxConnection=8000;((CMainFrame*)m_pMainWnd)->Activate(nPort,nMaxConnection);其中主窗口的Activate函数就是启动IOCP。voidCMainFrame::Activate(UINTnPort,UINTnMaxConnections){CStringstr,strLogTe

3、xt;if(m_iocpServer!=NULL){m_iocpServer->Shutdown();deletem_iocpServer;}m_iocpServer=newCIOCPServer;//开启IPCP服务器if(m_iocpServer->Initialize(NotifyProc,this,100000,nPort)){str.Format(_T("监听端口:%d"),nPort);strLogText.Format("Gh0stRat2013监听端口:[%d]",nPort);g_pLogVie

4、w->AddToLog(strLogText);}else{str.Format(_T("端口%d绑定失败"),nPort);strLogText.Format("Gh0stRat2013端口[%d]监听失败！",nPort);g_pLogView->AddToLog(strLogText);}m_wndStatusBar.SetPaneText(2,str);m_wndStatusBar.SetPaneText(3,_T("在线主机:0"));}Initialize就是初始化IOCP函数。NotifyProc是

5、一个重要的函数，接收一个完整包之后，调用这个函数处理接受的数据。跟进Initialize函数，创建套接字，启动一个线程专门accept。线程启动成功之后，InitializeIOCP函数就是创建完成端口的实质步骤了。boolCIOCPServer::Initialize(NOTIFYPROCpNotifyProc,CMainFrame*pFrame,intnMaxConnections,intnPort){m_pNotifyProc=pNotifyProc;//数据包处理函数m_pFrame=pFrame;m_n

6、MaxConnections=nMaxConnections;m_socListen=WSASocket(AF_INET,SOCK_STREAM,0,NULL,0,WSA_FLAG_OVERLAPPED);//监听套接字if(m_socListen==INVALID_SOCKET){TRACE(_T("Couldnotcreatelistensocket%ld"),WSAGetLastError());returnfalse;}//EventforhandlingNetworkIOm_hEvent=WSACr

7、eateEvent();//事件if(m_hEvent==WSA_INVALID_EVENT){TRACE(_T("WSACreateEvent()error%ld"),WSAGetLastError());closesocket(m_socListen);returnfalse;}//ThelistenerisONLYinterestedinFD_ACCEPT//ThatiswhenaclientconnectstoorIP/Port//RequestasyncnotificationintnRet=WSA

8、EventSelect(m_socListen,m_hEvent,FD_ACCEPT);//WSAEventSelect模型if(nRet==SOCKET_ERROR){TRACE(_T("WSAAsyncSelect()error%ld"),WSAGetLastError());closesocket(m_socListen);returnfalse;}SOCKAD