UDP聊天室

最新推荐文章于 2018-11-01 15:58:48 发布

原创最新推荐文章于 2018-11-01 15:58:48 发布 · 636 阅读

2 ·

CC 4.0 BY-SA版权

本文介绍了一个基于UDP协议的简单客户端-服务器聊天程序实现。客户端与服务器通过发送和接收消息进行交互，程序使用Winsock库进行网络通信，并通过创建线程来处理接收消息的任务。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

// Client.cpp : 定义控制台应用程序的入口点。
//UDP客户端也要绑定，还要注意通信的端口是否被占用，若不行，则更改端口号试试。

 

// Client.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include "winsock2.h"
#include "windows.h"
#include "iostream"
#pragma comment(lib,"ws2_32.lib")
using namespace std;

DWORD WINAPI RecevData(LPVOID lpParameter);

SOCKET ClientSocket;
SOCKADDR_IN SverAddr;
int SverLen = sizeof(SverAddr);

HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);

int _tmain(int argc, _TCHAR* argv[])
{
 WSADATA wsadate;
 int Ret;
 if ((Ret =WSAStartup(MAKEWORD(2,1),&wsadate)) != 0 )
 {
  cout << "WSAStartup error " << Ret << endl;
 }
 ClientSocket =  socket(AF_INET,SOCK_DGRAM,0);

 SverAddr.sin_family = AF_INET;
 SverAddr.sin_port = htons(4000);
 SverAddr.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");

 SOCKADDR_IN ClientAddr;
 ClientAddr.sin_family = AF_INET;
 ClientAddr.sin_port = htons(7000);
 ClientAddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);

 bind(ClientSocket,(LPSOCKADDR)&ClientAddr,sizeof(ClientAddr));
 
 HANDLE handl =CreateThread(NULL,NULL,RecevData,NULL,NULL,0);
  
 while(1)
 {
  //cout<< "Client:" ;
  char buffer[1024];
  memset(buffer,0,1024);
  SetConsoleTextAttribute(hStdout,FOREGROUND_RED|FOREGROUND_INTENSITY);
  cin.getline(buffer,1024);
  //cin >> buffer;
  if (buffer[0] == 'q')
  {
   cout << "你已终止聊天" <<endl;
   strcpy(buffer,"对方已终止聊天");
   int Ret;
   Ret = sendto(ClientSocket,buffer,strlen(buffer),0,(LPSOCKADDR)&SverAddr,sizeof(SverAddr));
   if (Ret == SOCKET_ERROR)
   {
    cout << "sendto error " << GetLastError() <<endl;
   }
   break;
  }
  int Ret;
  Ret = sendto(ClientSocket,buffer,strlen(buffer),0,(LPSOCKADDR)&SverAddr,sizeof(SverAddr));
  if (Ret == SOCKET_ERROR)
  {
   cout << "sendto error " << GetLastError() <<endl;
   continue;
  }
   Sleep(10);
 }
 closesocket(ClientSocket);
 CloseHandle(handl);
 WSACleanup();
 return 0;
}

DWORD WINAPI RecevData(LPVOID lpParameter)
{
 while(1)
 {
  char buffer[1024];
  memset(buffer,0,1024);
  int Ret;
  Ret = recvfrom(ClientSocket,buffer,1024,0,(LPSOCKADDR)&SverAddr,&SverLen);
  if (Ret == SOCKET_ERROR)
  {
   cout << "recvfrom error " << GetLastError() <<endl;
   continue;
  }
  SetConsoleTextAttribute(hStdout,FOREGROUND_GREEN|FOREGROUND_INTENSITY);
  cout << "对方说:" << buffer << endl;
  SetConsoleTextAttribute(hStdout,FOREGROUND_RED|FOREGROUND_INTENSITY);
  Sleep(10);
 }
 return 0;
}
 

 

 

 

#include "stdafx.h"
#include "winsock2.h"
#include "windows.h"
#include "iostream"
#pragma comment(lib,"ws2_32.lib")
using namespace std;

DWORD WINAPI RecevData(LPVOID lpParameter);

SOCKET SerSocket;
SOCKADDR_IN ClientAddr;
int ClientLen =  sizeof(SOCKADDR);
HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);

int _tmain(int argc, _TCHAR* argv[])
{
   
 WSADATA wsadate;
 int Ret;
 if ((Ret =WSAStartup(MAKEWORD(2,1),&wsadate)) != 0 )
 {
  cout << "WSAStartup error " << Ret << endl;
 }
 SerSocket =  socket(AF_INET,SOCK_DGRAM,0);
 memset(&ClientAddr,0,sizeof(ClientAddr));

 SOCKADDR_IN SverAddr;
 SverAddr.sin_family = AF_INET;
 SverAddr.sin_port =htons(4000);
 SverAddr.sin_addr.S_un.S_addr = htonl(INADDR_ANY);

 bind(SerSocket,(LPSOCKADDR)&SverAddr,sizeof(SOCKADDR));

 HANDLE handl = CreateThread(NULL,NULL,RecevData,NULL,NULL,0);
  
 while (1)
 {
  //cout<< "Server:" ;
  char buffer[1024];
  memset(buffer,0,1024);
     //cin >> buffer;
  SetConsoleTextAttribute(hStdout,FOREGROUND_RED|FOREGROUND_INTENSITY);
  cin.getline(buffer,1024);
  if (buffer[0] == 'q')
  {
   cout << "你已终止聊天" <<endl;
   strcpy(buffer,"对方已终止聊天");
   int Ret;
   Ret = sendto(SerSocket,buffer,strlen(buffer),0,(LPSOCKADDR)&ClientAddr,ClientLen);
   if (Ret == SOCKET_ERROR)
   {
    cout << "sendto error " << GetLastError() << endl;
   }
   break;
  }
  int Ret;
  Ret = sendto(SerSocket,buffer,strlen(buffer),0,(LPSOCKADDR)&ClientAddr,ClientLen);
  if (Ret == SOCKET_ERROR)
  {
   cout << "sendto error " << GetLastError() << endl;
   continue;
  }
  Sleep(10);
 }
 closesocket(SerSocket);
 CloseHandle(handl);
 WSACleanup();
 return 0;
}


DWORD WINAPI RecevData(LPVOID lpParameter)
{
 while(1)
 {
  char buffer[1024];     
  memset(buffer,0,1024);
  int Ret;
  Ret = recvfrom(SerSocket,buffer,1024,0,(LPSOCKADDR)&ClientAddr,&ClientLen);
  if (Ret == SOCKET_ERROR)
  {
   cout << "recvfrom error" << GetLastError() << endl;
   continue;
  }
  SetConsoleTextAttribute(hStdout,FOREGROUND_GREEN|FOREGROUND_INTENSITY);
  cout << "对方说:" << buffer << endl;
  SetConsoleTextAttribute(hStdout,FOREGROUND_RED|FOREGROUND_INTENSITY);
  Sleep(10);
 }
 return 0;
}