// server.cpp : Defines the entry point for the console application.
//
#include <stdio.h>
#include <Winsock2.h> //Socket的函数调用
#include <windows.h>
#define BUF_SIZE 6400 // 缓冲区大小
#pragma comment (lib, "ws2_32") // 使用WINSOCK2.H时，则需要库文件WS2_32.LIB
DWORD WINAPI Rcv( LPVOID lpParam )
{
SOCKET sClient = *(SOCKET*)lpParam;
int retVal;
char bufRecv[BUF_SIZE];
memset( bufRecv, 0, sizeof( bufRecv ) );
while(1)
{
retVal = recv( sClient, bufRecv, BUF_SIZE, 0 );
if ( retVal == SOCKET_ERROR ) {
printf( "recive faild!\n" );
break;
} else {
printf( "收到客户端消息：%s\n", bufRecv );
}
}
return 0;
}
DWORD WINAPI Snd( LPVOID lpParam )
{
SOCKET sClient = *(SOCKET*)lpParam;
int retVal;
char bufSend[BUF_SIZE];
memset( bufSend, 0, sizeof( bufSend ) );
while(1)
{
gets( bufSend );
retVal = send( sClient, bufSend, strlen(bufSend)+sizeof(char), 0 );
if ( retVal == SOCKET_ERROR ) {
printf( "send faild!\n" );
break;
}
}
return 0;
}
int main(int argc, char* argv[])
{
// 初始化套接字动态库
WSADATA wsaData;
if ( WSAStartup(MAKEWORD(2, 2), &wsaData) != 0 ) {
printf( "winsock load faild!\n" );
return 1;
}
// 创建服务段套接字
SOCKET sServer = socket( AF_INET, SOCK_STREAM, IPPROTO_TCP );
if ( sServer == INVALID_SOCKET ) {
printf( "socket faild!\n" );
WSACleanup();
return -1;
}
// 服务端地址
sockaddr_in addrServ;
addrServ.sin_family = AF_INET;
addrServ.sin_port = htons( 9999 );
addrServ.sin_addr.s_addr = htonl( INADDR_ANY );
// 绑定套接字
if ( bind( sServer, ( const struct sockaddr* )&addrServ, sizeof(addrServ) ) == SOCKET_ERROR ) {
printf( "bind faild!\n" );
closesocket( sServer );
WSACleanup();
return -1;
}
printf("Server is On IP:[%s],port:[%d]\n",inet_ntoa(addrServ.sin_addr),ntohs(addrServ.sin_port));
// 监听套接字 数字表示最多能监听客户个数
if ( listen( sServer, 5 ) == SOCKET_ERROR ) {
printf( "listen faild!\n" );
closesocket( sServer );
WSACleanup();
return -1;
}
SOCKET sClient; // 客户端套接字
sockaddr_in addrClient;
int addrClientLen = sizeof( addrClient );
sClient = accept( sServer, ( sockaddr FAR* )&addrClient, &addrClientLen );
if ( sClient == INVALID_SOCKET ) {
printf( "accept faild!\n" );
closesocket( sServer );
WSACleanup();
return -1;
}
printf("accepted client IP:[%s],port:[%d]\n",inet_ntoa(addrClient.sin_addr),ntohs(addrClient.sin_port));
HANDLE hThread1, hThread2;
DWORD dwThreadId1, dwThreadId2;
hThread1 = ::CreateThread(NULL, NULL, Snd, (LPVOID*)&sClient, 0, &dwThreadId1);
hThread2 = ::CreateThread(NULL, NULL, Rcv, (LPVOID*)&sClient, 0, &dwThreadId2);
::WaitForSingleObject(hThread1, INFINITE);
::WaitForSingleObject(hThread2, INFINITE);
::CloseHandle(hThread1);
::CloseHandle(hThread2);
closesocket( sClient );
WSACleanup(); // 资源释放
return 0;
}
