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path: root/i/simulotron/src/socket/socket_client.cc
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#include "socket/socket_client.hh"
#include "socket/socket_server.hh"
#include "socket/address.hh"
#include "utils/errno_exception.hh"

#include <sys/socket.h>
#include <cerrno>

SocketClient::SocketClient(const Address & address)
{
    // Cr�e le file descriptor du socket
    socket_ = socket (PF_INET, SOCK_STREAM, 0);
    if(socket_ < 0)
	throw errno_exception ("La chaussette n'a pas pu �tre tricot�", errno);

    // On bind le socket
    if(::bind (socket_, address.getSockaddr(), sizeof(*address.getSockaddr())) < 0)
	throw errno_exception("Impossible d'assigner la chausette", errno);
}

SocketClient::SocketClient(SocketServer & socketServer)
{
    socket_ = socketServer.accept();
    if (socket_ < 0)
	throw errno_exception("Probl�me lors de la construction d'une chaussette cliente par accept", errno);
}

SocketClient::~SocketClient(void)
{
    if(socket_ >= 0)
	::close(socket_);
}

void SocketClient::connect(const Address & address)
{
    if (::connect (socket_, address.getSockaddr(), sizeof(sockaddr_in)) < 0)
	throw errno_exception("Impossible de mettre la chaussette", errno);
}

std::string SocketClient::read(void)
{
    std::string str;
    int charReaded;
    char buffer[BUFFER_SIZE];
    do
    {
	charReaded = ::read(socket_, buffer, BUFFER_SIZE - 1);
	if(charReaded < 0)
	    throw errno_exception("SocketClient: probl�me de lecture", errno);
	buffer[charReaded] = 0;
	str += buffer;
    }while(charReaded == BUFFER_SIZE - 1);
    return str;
}

void SocketClient::write(const std::string & str)
{
    char buffer[BUFFER_SIZE];
    unsigned int pos = 0;
    int retval = 0;

    while(str.size() != pos)
    {
	int size = str.size() - pos < BUFFER_SIZE - 1 ? str.size() - pos:BUFFER_SIZE - 1;
	str.copy(buffer, size, pos);
	pos += size;
	buffer[size] = 0;
	retval = ::write(socket_, buffer, size);
	if(retval < 0)
	    throw errno_exception("SocketClient: erreur d'�criture (write()) ", errno);
    }
}

char SocketClient::getChar(void)
{
    char getted;
    if(::read(socket_, &getted, 1) < 0)
	throw errno_exception("SocketClient: erreur d'�criture (write()) ", errno);
    return getted;
}

void SocketClient::putChar(char c)
{
    if(::write(socket_, &c, 1) < 0)
	throw errno_exception("SocketClient: erreur d'�criture (write()) ", errno);
}