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// Classe Client
#ifndef CLIENT_HH_
# define CLIENT_HH_
#include <list>
#include <iostream>
#include <string>
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <signal.h>
#include <netdb.h>
#include <assert.h>
#include <unistd.h>
#include "data/Data.hh"
class Client
{
public:
Client(char* host, const int& port)
{
char *c;
int sock;
struct sockaddr_in sa;
long addr;
struct hostent *host_info;
if ((host_info = gethostbyname(host)) == 0)
this->error();
c = host_info->h_addr;
addr = c[0] << 24 | c[1] << 16 | c[2] << 8 | c[3];
if ((sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) == -1)
this->error();
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(addr);
if (connect(sock, (struct sockaddr *)&sa, sizeof (sa)) == -1)
this->error();
_fd_server = sock;
}
void error()
{
std::cerr << "Error client : ";
perror("");
exit(errno);
}
template <class TYPEDATA>
void send_data(const Data<TYPEDATA>& data) const
{
data.send(_fd_server);
}
template <class TYPEDATA>
void received_data(Data<TYPEDATA>& data)
{
data.receive(_fd_server);
}
void wait_signal()
{
unsigned char sig = 0;
read(_fd_server, &sig, sizeof(unsigned char));
if (sig != 42)
{
std::cout << "Erreur de transmission" << std::endl;
exit(1);
}
std::cout << "En communication avec le serveur..." << std::endl;
}
void send_signal()
{
unsigned char sig = 42;
write(_fd_server, &sig, sizeof(unsigned char));
}
int do_select()
{
fd_set rd;
char buf[256];
int n;
FD_ZERO(&rd);
FD_SET(0, &rd);
FD_SET(_fd_server, &rd);
if (select(_fd_server + 1, &rd, 0, 0, 0) == -1)
this->error();
if (FD_ISSET(_fd_server, &rd))
{
n = read(_fd_server, buf, 150);
if (n <= 0)
return (1);
write(1, buf, n);
fflush(0);
}
if (FD_ISSET(0, &rd))
{
n = read(0, buf, 100);
write(_fd_server, buf, n);
}
return (0);
}
private:
int _fd_server;
};
#endif // CLIENT_HH_
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