c++ socket客户端/服务器端不响应客户端

C++ socket client/server server do not response to client

本文关键字：客户端 不响应 服务器端 c++ socket      更新时间：2023-10-16

我是套接字编程的初学者，我的客户端/服务器程序有问题，客户端无法连接到服务器。我不知道为什么，请帮帮我。我想找出问题在哪里。

服务器:

#include <iostream>
#include <windows.h>
#include <cstdlib>
#include <stdlib.h>
#include <winsock2.h>
#include <conio.h>
#include <stdio.h>
using namespace std;
int main(int argc, char* argv[])
{
   WSAData WinSockData;
   WORD Version = MAKEWORD(2,1);
   long SUCESSFUL;
   SUCESSFUL = WSAStartup(Version,&WinSockData);
    SOCKADDR_IN ADDRESS;
    int AdresSize = sizeof(ADDRESS);
   SOCKET sock_LISTEN;
   SOCKET sock_CONNECT;
   sock_CONNECT = socket(AF_INET,SOCK_STREAM,NULL);
   ADDRESS.sin_addr.s_addr = inet_addr("127.0.0.1");
   ADDRESS.sin_family = AF_INET;
   ADDRESS.sin_port = htons(27015);
    sock_LISTEN = socket(AF_INET,SOCK_STREAM,NULL);
    bind(sock_LISTEN,(SOCKADDR*)&ADDRESS,sizeof(ADDRESS));
   for(;;)
   {
       listen(sock_LISTEN,SOMAXCONN);
        cout << "Waiting for connections..." << endl;
       if(sock_CONNECT = accept(sock_LISTEN,(SOCKADDR*)&ADDRESS,&AdresSize))
       {
        cout << "Conection was found" << endl;
        SUCESSFUL = send(sock_CONNECT,"Hello",5,NULL);
       }
   }
   return 0;
}
客户:

#include <iostream>
#include <windows.h>
#include <cstdlib>
#include <stdlib.h>
#include <winsock2.h>
#include <conio.h>
#include <stdio.h>
using namespace std;
int main(int argc, char* argv[])
{
   WSAData WinSockData;
   WORD DLLVersion;
   DLLVersion = MAKEWORD(2,1);
   long SUCESSFUL;
   SUCESSFUL = WSAStartup(DLLVersion,&WinSockData);
   string RESPONSE;
   string CONVERTER;
   char MESSAGE[200];
   SOCKADDR_IN ADDRESS;
   SOCKET sock;
   sock = socket(AF_INET,SOCK_STREAM,NULL);
   ADDRESS.sin_addr.s_addr = inet_addr("127.0.0.1");
   ADDRESS.sin_family = AF_INET;
   ADDRESS.sin_port = htonl(27015);
   cout << "Do You want to connect to this server (Y/N)" << endl;
   cin >> RESPONSE;
   RESPONSE[0] = tolower(RESPONSE[0]);
   if(RESPONSE == "n")
   {
       cout << "Quiting" <<endl;
   }else if (RESPONSE == "y")
   {
        connect(sock,(SOCKADDR*)&ADDRESS,sizeof(ADDRESS));
        SUCESSFUL = recv(sock,MESSAGE,sizeof(MESSAGE),NULL);
        CONVERTER = MESSAGE;
       cout << CONVERTER << endl;
   }else
   {
       cout << "Illegal response" <<endl;
   }
   return 0;
}

这看起来很奇怪

ADDRESS.sin_port = htons(27015);

这个看起来更奇怪

ADDRESS.sin_port = htonl(27015);

都使用按钮

如果不行，就写

ADDRESS.sin_port = 27015;
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