Retele

// server
string s = listHTMLFiles(); // listHTMLFiles returneaza un string
int len = s.length(); // dimensiunea string'ului

if(write(tdL.cl, &len, sizeof(len)) <= 0) // transmitem dimensiunea
{
    printf("[Client %d] ",tdL.idThread);
    perror ("[Thread]Eroare la write() catre client. (line 232)\n");
}

if(write(tdL.cl, s.data(), len) <= 0) // transmitem continutul stringului
{
    printf("[Client %d] ",tdL.idThread);
    perror ("[Thread]Eroare la write() catre client. (line 238)\n");
}



// client
int size;
if(read(sock_descr, &size, sizeof(int)) <= 0) // citim dimensiunea stringului primita de la server
{
    ui->lblwrong->show();
    qDebug() << "Eroare la read(:btnList-size)";
    return;
}

string list;
if(read(sock_descr, (void*)list.data(), size) <= 0) // citim stringul primit de la server
{
    ui->lblwrong->show();
    qDebug() << "Eroare la read(:btnList-list)";
    return;
}