websocket_websocket客户端_客户端和服务器通信_websocket_websocket客户端

#include <Winsock2.h> #include <stdio.h> #include <string.h> #pragma comment(lib,"ws2_32.lib") #define PORT 4048 int main() { //初始化环境，判断是否成功 WSADATA wsaData; if(WSAStartup(MAKEWORD(2,2),&wsaData)!=0) { printf("WSAStartup failed with error!\n"); return -1; } //定义服务器端地址 struct sockaddr_in seraddr; struct sockaddr_in cliaddr; //初始化结构体 memset(&seraddr,0,sizeof(seraddr)); memset(&cliaddr,0,sizeof(cliaddr)); //对服务器端地址赋值 seraddr.sin_family=AF_INET; seraddr.sin_addr.S_un.S_addr=htonl(INADDR_ANY); seraddr.sin_port=htons(PORT); //定义套接字 SOCKET listenSock,newSock; listenSock=socket(AF_INET,SOCK_STREAM,0); //判断套接口是否建立成功 if(listenSock == INVALID_SOCKET){ printf("fail to build socket!/n"); return -1; } //定义传输的内容 char strSend[100]; memset(strSend,0,sizeof(strSend)); int dummy=sizeof(SOCKADDR); //建立连接 bind(listenSock,(SOCKADDR *)&seraddr,sizeof(SOCKADDR)); //准备接受连接请求 listen(listenSock,10); printf("connecting....\n"); newSock=accept(listenSock,(SOCKADDR *)&cliaddr,&dummy); printf("客户端的端口号是:%d\n",cliaddr.sin_port); printf("客户端的ip地址是:%s\n",inet_ntoa(cliaddr.sin_addr)); printf("a client enter.....\n"); char recvBuf[100]; memset(recvBuf,0,sizeof(recvBuf)); printf("please start first:\t"); gets(strSend); while(1) { send(newSock,strSend,strlen(strSend)+1,0); recv(newSock,recvBuf,100,0); if(strcmp(recvBuf,"exit")==0) { printf("the client quit\n"); break; } else { printf("the client says:\t%s\n",recvBuf); printf("it is your turn:\t"); gets(strSend); } } closesocket(newSock); closesocket(listenSock); WSACleanup(); return 0; }