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#include <iostream>
#include <cstring>
#include "SocketClass.h"
using namespace std;
SocketClass::SocketClass(int port)
{
this->port = port;
this->socketError = NO_ERROR;
this->sec = 5;
this->usec = 0;
}
SocketClass::~SocketClass()
{
if (socketError == NO_ERROR)
{
socketError = shutdown(socketServer, SD_BOTH);
socketError = closesocket(socketServer);
}
WSACleanup();
}
/**
Initialisation du socket
**/
int SocketClass::initSocket()
{
WSADATA WSAData;
socketError = WSAStartup(MAKEWORD(2,2), &WSAData); // initialisation du socket, utilisation de la verions 2.0 de winsock
if (socketError!=NO_ERROR)
{
return socketError;
}
// initialisation du socket
sin.sin_addr.s_addr = htonl(INADDR_ANY); // pas d'adresse, mode serveur
sin.sin_family = AF_INET; // protocole IPv4
sin.sin_port = htons(port); // port
// création du socket
socketServer = socket(AF_INET, SOCK_DGRAM, 0);
if (socketServer == INVALID_SOCKET)
{
socketError = INVALID_SOCKET;
//WSACleanup();
return INVALID_SOCKET;
}
// bind
socketError = bind(socketServer, (SOCKADDR *)&sin, sizeof(sin));
if (socketError == SOCKET_ERROR)
{
//WSACleanup();
return SOCKET_ERROR;
}
// taille du buffer de lecture
socketError = setsockopt(socketServer, SOL_SOCKET, SO_RCVBUF, (char*)&data, sizeof(data));
if (socketError == SOCKET_ERROR)
{
// WSACleanup();
return SOCKET_ERROR;
}
socketError = NO_ERROR;
return NO_ERROR;
}
/**
Fermeture du socket
**/
int SocketClass::closeSocket()
{
if (socketError == NO_ERROR)
{
socketError = shutdown(socketServer, SD_BOTH);
socketError = closesocket(socketServer);
}
WSACleanup();
return socketError;
}
/**
Time out sur le socket
**/
void SocketClass::setTimeOut(int sec, int usec)
{
this->sec = sec;
this->usec = usec;
}
/**
Lecture des données
**/
int SocketClass::readData()
{
int sinSize;
int len;
fd_set fd;
timeval tv;
sinSize = sizeof(sin);
len = NO_ERROR;
if (socketError == NO_ERROR)
{
//while(1)
{
FD_ZERO(&fd);
FD_SET(socketServer, &fd);
tv.tv_sec = sec; // timeout sur la méthode accept
tv.tv_usec = usec;
if (select(0, &fd, NULL, NULL, &tv) > 0)
{
len = recvfrom(socketServer, (char*)&data, sizeof(data), 0, (SOCKADDR *)&sin, &sinSize);
/*if (len > 0)
break;*/
/* if (len == SOCKET_ERROR)
break;*/
}
}
}
//Sleep(20);
return len;
} |
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