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| #pragma comment(lib, "Ws2_32.lib")
#include <WinSock2.h>
#include <Windows.h>
#include <iostream>
using namespace std;
SOCKADDR_IN addr;
SOCKET sListen;
SOCKET sConnect;
SOCKET* Connections;
int addrlen = sizeof(addr);
int ConCounter = 0;
struct Buffer
{
int ID;
char Message[256];
};
int ServerThread(int ID){
// Send and receive data.
int bytesSent;
int bytesRecv = SOCKET_ERROR;
char sendbuf[2000]="";
char sendbuf2[2000]="";
char recvbuf[2000]="";
char timebuf[128];
bytesSent = send( Connections[ID], sendbuf, strlen(sendbuf), 0);
while (1)
{
ZeroMemory (recvbuf, sizeof(recvbuf));
bytesRecv = recv( Connections[ID], recvbuf, 256 ,NULL);
cout << "<Client " << ID << ":> " << recvbuf <<endl;
bytesSent = send( Connections[ID], sendbuf, strlen(sendbuf), 0);
if (strcmp(recvbuf, "exit") == 0)
{
goto fin;
}
else
{
if (bytesSent == SOCKET_ERROR)
{
goto fin;
}
}
}
fin:
printf("Client processed\n");
return 0;
}
int InitWinSock()
{
int RetVal=0;
WSAData wsaData;
WORD DLLVersion = MAKEWORD(2,1);
RetVal = WSAStartup(DLLVersion, &wsaData);
return RetVal;
}
int main()
{
int RetVal = 0;
RetVal = InitWinSock();
if(RetVal != 0){
MessageBoxA(NULL, "Winsock startup failed", "Error",MB_OK | MB_ICONERROR);
exit(1);
}
Connections = (SOCKET*)calloc(64, sizeof(SOCKET));
sListen= socket(AF_INET, SOCK_STREAM, NULL);
sConnect = socket(AF_INET, SOCK_STREAM, NULL);
addr.sin_addr.s_addr = inet_addr("localhost");
addr.sin_port = htons(1234);
addr.sin_family = AF_INET;
int err = 0;
int sock_err;
sock_err=bind(sListen, (SOCKADDR*)&addr, sizeof(addr));
cout << "Server Connected " << endl;
sock_err=listen(sListen, 64);
if (sock_err != SOCKET_ERROR)
{
/* wait for a client connection */
printf ("waiting for a client connection...\n");
}
for(;; Sleep(50))
{
if(sConnect = accept(sListen, (SOCKADDR*)&addr, &addrlen))
{
if(sConnect!= INVALID_SOCKET){
printf ("client connected \n");
}
Connections[ConCounter] = sConnect;
char* ID = new char[64];
ZeroMemory(ID, sizeof(ID));
itoa(ConCounter, ID, 10);
send(Connections[ConCounter], ID, sizeof(ID), NULL);
ConCounter= ConCounter + 1;
CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE) ServerThread, (LPVOID)(ConCounter - 1), NULL, NULL);
}
}
closesocket(sListen);
WSACleanup();
return 0;
} |
