Socket服务器和客户端C.doc

客户端：#include using namespace std;#define SERVPORT 7861 /*服务器监听端口号*/#define DEST_IP 192.168.1.35#define MAXDATASIZE 100;int _tmain(int argc, _TCHAR* argv)int sockfd, recvbytes; char bufMAXDATASIZE; struct hostent *host; struct sockaddr_in serv_addr; struct sockaddr_in dest_addr; /* 目的地址*/ WORD wVersionRequested;WSADATA wsaData;int err;wVersionRequested = MAKEWORD(2,0);err = WSAStartup(wVersionRequested,&wsaData);if (0 != err)couth_addr);*/serv_addr.sin_addr.s_addr = inet_addr(DEST_IP); memset( &(serv_addr.sin_zero),0,8);if (connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(struct sockaddr) = -1) perror(connect出错！);/exit(1);char szMsg = hao;int nlen = sizeof(serv_addr);int uIndex = 0;while (1)Sleep(1000);if (send(sockfd, Hello, are connected!n, 23, 0) = -1)coutWSAGetLastError()endl;elsecoutuIndex+:an TCP package is sendedendl;if (recvbytes=recv(sockfd, buf, MAXDATASIZE, 0) !=-1) bufrecvbytes = 0; printf( Received: %s,buf);closesocket(sockfd); return 0;服务器/ MsgTcp05.cpp : Defines the entry point for the console application./#include stdafx.h#include #include #include #include #include #include #define SERVPORT 7861 /*服务器监听端口号*/#define MAXDATASIZE 100#define BACKLOG 10using namespace std;std:vector client_fd;char bufMAXDATASIZE; DWORD WINAPI qtPingServerThreadFunc(LPVOID lpThreadParameter);int _tmain(int argc, _TCHAR* argv)SOCKET sockfd; /*sock_fd：监听socket；client_fd：数据传输socket */ struct sockaddr_in my_addr; /* 本机地址信息*/ struct sockaddr_in remote_addr; /* 客户端地址信息*/ char szMsg=hello;WORD wVersionRequested;WSADATA wsaData;int err;wVersionRequested = MAKEWORD(2,0);err = WSAStartup(wVersionRequested,&wsaData);if (0 != err)coutSocket failed;return 0;if (LOBYTE(wsaData.wVersion)!= 2 | HIBYTE(wsaData.wVersion) != 0)WSACleanup();return 0;sockfd = socket(AF_INET,SOCK_STREAM,0);if (INVALID_SOCKET = sockfd)coutSoket Create Failed;return 0;/*sockfd = socket(AF_INET, SOCK_STREAM, 0);*/if (sockfd = -1) perror( socket创建出错！); exit(1); my_addr.sin_family=AF_INET; my_addr.sin_port=htons(SERVPORT); my_addr.sin_addr.s_addr = INADDR_ANY; memset( &(my_addr.sin_zero),0,8);if (bind(sockfd, (struct sockaddr *) &my_addr, sizeof(struct sockaddr) = -1) perror( bind出错！);/exit(1); int n = 0;while(1) if (listen(sockfd, BACKLOG) != -1) int sin_size = sizeof(struct sockaddr_in); SOCKET nSocket = accept(sockfd, (struct sockaddr *) &remote_addr, &sin_size);std:vector:iterator itr_end = client_fd.end();std:vector:iterator itr = std:find(client_fd.begin(),itr_end,nSocket);if (itr = itr_end)client_fd.push_back(nSocket);printf( received a connection from %sn, inet_ntoa(remote_addr.sin_addr);DWORD dwPingThreadID;HANDLE hPingHandle = CreateThread(0, 0, qtPingServerThreadFunc, 0, 0, &dwPingThreadID); for (int n = 0;n client_fd.size(); n+)closesocket(client_fdn); client_fd.clear(); DWORD WINAPI qtPingServerThreadFunc(LPVOID lpThreadParameter)while (1)for (int n = 0;n client_fd.size(); n+)int recvbytes;if (rec