TCP 程序的一些问题

Question

各位，请问一下，我在建立tcp连接的时候，使用源代码进行字符串连接的时候，已经成功了，但是转成图片的时候，除了一堆问题，现在两者之间的连接都连接了，不知道出了什么问题，请问有谁能给我一些指导吗？谢谢
Server 代码：

#pragma comment(lib, "ws2_32.lib")

#include <cstdio>

#include <iostream>

#include <WinSock2.h>

#include <Windows.h>
#include<opencv2/opencv.hpp>
using namespace std;
using namespace cv;



char * recvbuf;




int main()

{


// Hilfsvariable


long res;





// Versionsdaten


WSADATA wsaData;





// ws2_32.dll aktivieren


res = WSAStartup(MAKEWORD(2, 1), &wsaData);


if(res == 0 )


cout << "WSAStartup()\t\t successful" << endl;


else


cout << "error WSAStartup(): " << WSAGetLastError() << endl;





// Socket Deskriptoren


SOCKET slisten, client;





// Socket anforder bzw. Kommunikationsendpunkt einrichten


slisten = socket(AF_INET, SOCK_STREAM, 0);


if(slisten != INVALID_SOCKET )


cout << "socket()  \t\t successful" << endl;


else


cout << "error socket(): " << WSAGetLastError() << endl;





// Verbindungsinformationen


sockaddr_in info;
// sockaddr


info.sin_addr.s_addr = inet_addr("158.132.8.117");


info.sin_family
= AF_INET;


info.sin_port
= htons(9992);


int infolen = sizeof(info);





res = bind(slisten, (struct sockaddr*)&info, infolen);


if(res != SOCKET_ERROR )


cout << "bind()  \t\t successful" << endl;


else


cout << "error bind(): " << WSAGetLastError() << endl;





// Warteschlange f黵 einkommende Verbindungen


res = listen(slisten, SOMAXCONN);


if(res != SOCKET_ERROR )


cout << "listen()  \t\t successful" << endl;


else


cout << "error listen(): " << WSAGetLastError() << endl;







   sockaddr_in clientinfo;


    int clientinfolen = sizeof(clientinfo);



client = accept(slisten, (struct sockaddr*)&clientinfo, &clientinfolen);



if(client != SOCKET_ERROR)


cout << "client accepted: " << inet_ntoa(clientinfo.sin_addr) << ":"


     << ntohs(clientinfo.sin_port) << endl;



while(1)


{


// Verbindung aus der Warteschlange abholen









// 黚er das Socket kommunizieren


/*res = send(client, "server message received", strlen("server message received"), 0);


if(res == SOCKET_ERROR)


cout << "error send()" << WSAGetLastError() << endl;*/





res = recv(client, recvbuf, 1000, 0);

uchar* data2;

data2 = (uchar *)recvbuf;

Mat image = Mat(500, 500, CV_8UC3);
        image.data = data2;

if(res == SOCKET_ERROR){


cout << "error recv(): " << WSAGetLastError() << endl;

break;}

imshow("image",image);

    waitKey(0.1);


}





closesocket(client);


closesocket(slisten);


WSACleanup();


return 0;

}

Client 端代码：


#pragma comment(lib, "ws2_32.lib")

#include <cstdio>

#include <iostream>

#include <WinSock2.h>

#include <Windows.h>
#include<opencv2/opencv.hpp>
using namespace std;
using namespace cv;



char * recvbuf;




int main()

{


// Hilfsvariable


long res;





// Versionsdaten


WSADATA wsaData;





// ws2_32.dll aktivieren


res = WSAStartup(MAKEWORD(2, 1), &wsaData);


if(res == 0 )


cout << "WSAStartup()\t\t successful" << endl;


else


cout << "error WSAStartup(): " << WSAGetLastError() << endl;





// Socket Deskriptoren


SOCKET slisten, client;





// Socket anforder bzw. Kommunikationsendpunkt einrichten


slisten = socket(AF_INET, SOCK_STREAM, 0);


if(slisten != INVALID_SOCKET )


cout << "socket()  \t\t successful" << endl;


else


cout << "error socket(): " << WSAGetLastError() << endl;





// Verbindungsinformationen


sockaddr_in info;
// sockaddr


info.sin_addr.s_addr = inet_addr("158.132.8.117");


info.sin_family
= AF_INET;


info.sin_port
= htons(9992);


int infolen = sizeof(info);





res = bind(slisten, (struct sockaddr*)&info, infolen);


if(res != SOCKET_ERROR )


cout << "bind()  \t\t successful" << endl;


else


cout << "error bind(): " << WSAGetLastError() << endl;





// Warteschlange f黵 einkommende Verbindungen


res = listen(slisten, SOMAXCONN);


if(res != SOCKET_ERROR )


cout << "listen()  \t\t successful" << endl;


else


cout << "error listen(): " << WSAGetLastError() << endl;







   sockaddr_in clientinfo;


    int clientinfolen = sizeof(clientinfo);



client = accept(slisten, (struct sockaddr*)&clientinfo, &clientinfolen);



if(client != SOCKET_ERROR)


cout << "client accepted: " << inet_ntoa(clientinfo.sin_addr) << ":"


     << ntohs(clientinfo.sin_port) << endl;



while(1)


{










// 黚er das Socket kommunizieren


/*res = send(client, "server message received", strlen("server message received"), 0);


if(res == SOCKET_ERROR)


cout << "error send()" << WSAGetLastError() << endl;*/





res = recv(client, recvbuf, 1000, 0);

uchar* data2;

data2 = (uchar *)recvbuf;

Mat image = Mat(500, 500, CV_8UC3);
        image.data = data2;

if(res == SOCKET_ERROR){


cout << "error recv(): " << WSAGetLastError() << endl;

break;}

imshow("image",image);

    waitKey(0.1);


}





closesocket(client);


closesocket(slisten);


WSACleanup();


return 0;

}