Windows Socket编程

Server（多线程）

#include <iostream>#include <winsock2.h>#pragma comment(lib,"ws2_32.lib")using namespace std;#define PORT 4000#define IP_ADDRESS "127.0.0.1"DWORD WINAPI ClientThread(LPVOID lpParameter){SOCKET ClientSocket=(SOCKET)lpParameter;int ret=0;char RecvBuffer[MAX_PATH];while(true){memset(RecvBuffer,0x00,sizeof(RecvBuffer));ret=recv(ClientSocket,RecvBuffer,MAX_PATH,0);if(ret==0||ret==SOCKET_ERROR){cout<<"Exit"<<endl;break;}cout<<"收到的信息为："<<RecvBuffer<<endl;}return 0;}int main(){WSADATA Ws;SOCKET ServerSocket,ClientSocket;struct sockaddr_in LocalAddr,ClientAddr;int ret=0;int AddrLen=0;HANDLE hThread=NULL;//Initif((WSAStartup(MAKEWORD(2,2),&Ws)!=0)){cout<<"Init Failed:"<<GetLastError()<<endl;return -1;}//Create SocketServerSocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);if(ServerSocket==INVALID_SOCKET){cout<<"Create Socket Failed:"<<GetLastError()<<endl;return -1;}LocalAddr.sin_family=AF_INET;LocalAddr.sin_addr.S_un.S_addr=inet_addr(IP_ADDRESS);LocalAddr.sin_port=htons(PORT);memset(LocalAddr.sin_zero,0x00,8);ret=bind(ServerSocket,(struct sockaddr *)&LocalAddr,sizeof(LocalAddr));if(ret!=0){cout<<"Bind Socket Failed:"<<GetLastError()<<endl;return -1;}ret=listen(ServerSocket,10);if(ret!=0){cout<<"Listen Socket Failed"<<GetLastError()<<endl;return -1;}cout<<"Server Start"<<endl;while(true){AddrLen=sizeof(ClientAddr);ClientSocket=accept(ServerSocket,(struct sockaddr *)&ClientAddr,&AddrLen);if(ClientSocket==INVALID_SOCKET){cout<<"Accept Failed:"<<GetLastError()<<endl;break;}cout<<"客户端连接::"<<inet_ntoa(ClientAddr.sin_addr)<<":"<<ClientAddr.sin_port<<endl;hThread=CreateThread(NULL,0,ClientThread,(LPVOID)ClientSocket,0,NULL);if(hThread==NULL){cout<<"Create Thread Failed"<<endl;break;}CloseHandle(hThread);}closesocket(ServerSocket);closesocket(ClientSocket);WSACleanup();return 0;}

Client#include <iostream>#include <winsock2.h>#pragma comment(lib,"ws2_32.lib")using namespace std;#define PORT 4000#define IP_ADDRESS "127.0.0.1"int main(){WSADATA Ws;SOCKET ClientSocket;struct sockaddr_in ServerAddr;int ret=0;int AddrLen=0;//HANDLE hThread=NULL;char SendBuffer[MAX_PATH];//Initif(WSAStartup(MAKEWORD(2,2),&Ws)!=0){cout<<"Init Failed"<<endl;return -1;}//CreateClientSocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);if(ClientSocket==INVALID_SOCKET){cout<<"Socket Failed:"<<GetLastError()<<endl;return -1;}ServerAddr.sin_family=AF_INET;ServerAddr.sin_addr.S_un.S_addr=inet_addr(IP_ADDRESS);ServerAddr.sin_port=htons(PORT);memset(ServerAddr.sin_zero,0x00,8);ret=connect(ClientSocket,(struct sockaddr *)&ServerAddr,sizeof(ServerAddr));if(ret==SOCKET_ERROR){cout<<"Connect Error:"<<GetLastError()<<endl;return -1;}else{cout<<"Connect Success"<<endl;}while(true){cin.getline(SendBuffer,sizeof(SendBuffer));ret=send(ClientSocket,SendBuffer,(int)strlen(SendBuffer),0);if(ret==SOCKET_ERROR){cout<<"Send Error:"<<GetLastError()<<endl;break;}}closesocket(ClientSocket);WSACleanup();return 0;}

，造物之前，必先造人。