代理服务器代理端向服务端recv()之后总出现的10054错误

Question

本帖最后由 u012411894 于 2014-10-27 17:44:38 编辑

Answer 1

客户端：
#include "StdAfx.h"
#include "ProxyC.h"
#include <process.h>
#include <winsock2.h>
#include <afx.h>
#pragma  comment(lib,"ws2_32.lib")CProxyC* pThis=NULL;
CProxyC::CProxyC(void)
{
   WSADATA wasData;
   WSAStartup(MAKEWORD(2,2),&wasData);
   this->m_pWndView=NULL;
   this->socketManager=SOCKET_ERROR;
   pThis=this;
}CProxyC::~CProxyC(void)
{
   WSACleanup();
}VOID CProxyC::OnPostNotif(TCHAR* opNotif)
{
if(this->m_pWndView!=NULL)
{
this->m_pWndView->SendMessage(NOTIF_MSG_SHOW,(WPARAM)opNotif);
}
}
BOOL CProxyC::OnStartClientListen(UINT nPort)
{
HANDLE hServer =  (HANDLE)_beginthreadex( NULL,
                    NULL, 
                    this->ClientListenProc,
                    (LPVOID)nPort, 
                     NULL, 
                     NULL
                 );
if(NULL == hServer)
{
return FALSE;
}
return TRUE;
}
unsigned WINAPI CProxyC::ClientListenProc(LPVOID lpVoid)
{
    pThis->socketManager=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
    if(SOCKET_ERROR==pThis->socketManager)
   {
       pThis->OnPostNotif(_T("连接失败！"));
       return 1;
    }
    struct sockaddr_in srvaddr;
    srvaddr.sin_family=AF_INET;
    srvaddr.sin_port=htons((UINT)lpVoid);
    srvaddr.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");//本地回路地址
int nSrvaddrlen= sizeof(srvaddr);
int i=connect(pThis->socketManager,(struct sockaddr*)&srvaddr,nSrvaddrlen);
    if( i == SOCKET_ERROR)
{
pThis->OnPostNotif(_T("Client socket connect error!"));
closesocket(pThis->socketManager);
}
pThis->OnPostNotif(_T("Client socket connect OK!"));
char bufSend[MAXBUFSIZE];
char bufRecv[MAXBUFSIZE];
int nsendlen;
memset(bufSend,0,MAXBUFSIZE);
    memset(bufRecv,0,MAXBUFSIZE);
strcpy_s(bufSend,MAXBUFSIZE,inet_ntoa(srvaddr.sin_addr));
nsendlen=send(pThis->socketManager,bufSend,strlen(bufSend),0);
    if(0>=nsendlen)
{
return 1;
}
//r=recv(ServerProxy,bufRecv,MAXBUFSIZE,0);
    return 0;    
}

Answer 2

10054  一般是socket被关闭了
看不出什么东西, 具体的去调试

Answer 3

常见的原因是：服务器的并发连接数超过了其承载量，服务器会将其中一些连接Down掉