[收藏]http代理服务器的源程序

天云上人 · 发表于 2005-2-27 13:56:58

  这是一个简单的HTTP 代理VC++源代码你可能参考一下：
//======================================
//sock.cpp
#include<winsock.h>
#include<windows.h>
#include<iostream.h>
#include<stdio.h>

WSADATA ss;
SOCKET a,s[100];
sockaddr_in s1,s2;
int pos;
unsigned long id;
HANDLE han[100];

DWORD WINAPI thread(
LPVOID lpParameter // thread data
)
{
   int cur = pos;
   int sub = 0;
   char rec[20000];
   char host[100];
   char sen[20000];
   char sen1[20000];
   for(int z=0;z<20000;z++)
   {
     rec[z]=sen[z]=sen1[z]=0;
     host[z]=0;
   }
   z = 0;
   int sz;
   int pos = 0;
   char d1='A',d2,d3;
   goto mid;
mid:
   recv(s[cur],&d1,1,0);
   rec[pos] = d1;
   pos++;
   if(d1=='\n')
   {
     recv(s[cur],&d2,1,0);
     recv(s[cur],&d3,1,0);
     if(d2=='\r' && d3=='\n')
     {
           rec[pos] = d2;
           pos++;
           rec[pos] = d3;
           sz = pos;
           rec[pos+1]=NULL;
     }
     else
     {
           rec[pos] = d2;
           pos++;
           rec[pos] = d3;
           pos++;
           goto mid;
     }
   }
   else
   {
     goto mid;
   }
//sz = recv(s[cur],rec,2000,0);
   printf("%s\n",rec);
   while(rec[z]!=':')
   {
     z++;
     if(rec[z]==NULL || rec[z]=='\n')
     {
           closesocket(s[cur]);
           return 0;
     }
   }
   z++;
   z++;
   z++;
   int temp = 0;
   while(rec[z]!='/')
   {
     host[temp] = rec[z];
     z++;
     temp++;
   }
   temp = 0;
   z=0;
   while(rec[z]!='h')
   {
     sen1[temp] = rec[z];
     z++;
     temp++;
   }
   z++;
   while(rec[z]!='/')
   {
     z++;
   }
   z++;
   z++;
   while(rec[z]!='/')
   {
     z++;
   }
   while(rec[z]!=NULL)
   {
     sen1[temp] = rec[z];
     z++;
     temp++;
   }
   PHOSTENT adr = NULL;
   adr = gethostbyname(host);
   if(adr==NULL)
   {
     send(s[cur],"Could not able to resolve host address",48,0);
     closesocket(s[cur]);
     DWORD ff;
     GetExitCodeThread(han[cur],&ff);
     ExitThread(ff);
   }
   SOCKET ss;
   sockaddr_in dd;
   ss = socket(AF_INET,SOCK_STREAM,0);
   memcpy((char FAR *)&(dd.sin_addr),adr->h_addr,adr->h_length);
   dd.sin_family = AF_INET;
   dd.sin_port = htons(80);
   if(connect(ss,(LPSOCKADDR)&dd,sizeof(dd))==SOCKET_ERROR)
   {
     send(s[cur],"Not able to connect to server",29,0);
     closesocket(s[cur]);
     DWORD ff;
     GetExitCodeThread(han[cur],&ff);
     ExitThread(ff);
   }
   send(ss,sen1,sz,0);
   sz = recv(ss,rec,2000,0);
   while(sz!=0)
   {
     send(s[cur],rec,sz,0);
     sz = recv(ss,rec,2000,0);
   }
   closesocket(ss);
   closesocket(s[cur]);

   DWORD ff;
   GetExitCodeThread(han[cur],&ff);
   ExitThread(ff);
   return 0;
}

void main()
{
   WSAStartup(MAKEWORD(1,1),&ss);
   a = socket(AF_INET,SOCK_STREAM,0);
   s1.sin_addr.s_addr = INADDR_ANY;
   s1.sin_family = AF_INET;
   s1.sin_port = htons(2323);

   if(bind(a,(LPSOCKADDR)&s1,sizeof(s1))==SOCKET_ERROR)
   {
     cout << WSAGetLastError();
   }
   if(listen(a,1)==SOCKET_ERROR)
   {
     cout << "Error";
   }
   int sz = sizeof(s2);
   goto re;
re:
   s[pos] = accept(a,(LPSOCKADDR)&s2,&sz);
   ::han[pos]=CreateThread(NULL,0,&thread,0,0,&id);
   Sleep(500);
   if(pos==100)
   {
     pos=0;
   }
   else
   {
     pos++;
   }
goto re;
}
//=======================================

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[收藏]http代理服务器的源程序

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