socket实现jpg图片的传输

#include <WinSock2.h> #include <iostream> #include <fstream> using namespace std; #define PORT 4000 #define IP_ADDR "59.64.158.158" int main() { WSADATA dat; //初始化Socket if(WSAStartup(MAKEWORD(2,2),&dat)!=0) { cout<<"Init Windows Socket Failed: "<<GetLastError()<<endl; return -1; } //Socket返回值 SOCKET serverSocket,clientSocket; int ret=0; //创建Socket serverSocket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); if (serverSocket==INVALID_SOCKET) { cout<<"Create Socket Failed: "<<GetLastError()<<endl; return -1; } SOCKADDR_IN localAddr,clientAddr; localAddr.sin_family=AF_INET; localAddr.sin_addr.s_addr=inet_addr(IP_ADDR); localAddr.sin_port=htons(PORT); memset(localAddr.sin_zero,0,sizeof(localAddr.sin_zero)); //服务器建立 ret=bind(serverSocket,(struct sockaddr*)&localAddr,sizeof(localAddr)); if (ret!=0) { cout<<"Bind Socket Failed: "<<GetLastError()<<endl; return -1; } //服务器监听 ret=listen(serverSocket,10); if (ret!=0) { cout<<"Listen Failed: "<<GetLastError()<<endl; return -1; } cout<<"Server is On."<<endl; while(1) { //接收信息 int addLen=sizeof(clientAddr); clientSocket=accept(serverSocket,(struct sockaddr*)&clientAddr,&addLen); cout<<"connect is success."<<endl; ifstream in("test.jpg",fstream::in|fstream::binary); char buf[1024]={0}; while(!in.eof()) { in.read(buf,sizeof(buf)); ret=send(clientSocket,buf,1024,0); if(ret==SOCKET_ERROR) { cout<<"Send Into error: "<<GetLastError()<<endl; return -1; } } in.close(); cout<<"end."<<endl; closesocket(clientSocket); } closesocket(serverSocket); WSACleanup(); return 0; }