/**
* @brief Connects the client to the server.
* @param QString host - the host name
* @param int port - the port used by the server
* @param QString pseudo - the client's name
*/
void MainWindow::serverConnection(QString host, int port, QString pseudo)
{
strcpy(_player.name, pseudo.toStdString().c_str());
init_host(_ptr_host, (char*)host.toStdString().c_str(), &_local_addr);
assign_port(&_local_addr, port);
_player.socket = create_socket();
// Have to test if the client can be connect to the server
if(server_connection(_player.socket, _local_addr) >= 0) {
qDebug() << "[Server_connection] : Client is connected";
startListeners(); // Have to start listeners threads
// Ask to the server to add the new client into its array of players
qDebug() << "[Server_connection] : Sending information to the server" << _player.name;
frame f = make_frame(_local_addr.sin_addr, _local_addr.sin_addr, CONNECT, _player.name);
write_to_server(_player.socket, &f);
// When the client is connected, display the mainPage of the application
ui->stackedWidget->slideInIdx(1, SlidingStackedWidget::BOTTOM2TOP);
}
else {
//Connection is impossible
QMessageBox errorBox(QMessageBox::Question,tr("error"),tr("Can't establish the connection with the server."),QMessageBox::Cancel);
errorBox.exec();
}
}
static int get_port(const char *arg, int master, unsigned int *port)
{
int ret;
ret = get_num(arg, port);
// get port
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return MET_SMI_FAIL;
}
// check port
if (check_port_vaild(master, *port) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check port failed [%s]\n",
arg);
return MET_SMI_FAIL;
}
// assign port
if (assign_port(master, *port) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign port failed [%s]\n",
arg);
return MET_SMI_FAIL;
}
return ret;
}
/*
* There are serveal cases as follows:
*
* 1. "met-cmd --start --smi=toggle"
*
* 2. "met-cmd --start --smi=toggle:master"
*
* 3. "met-cmd --start --smi=master:port:rwtype:desttype:bustype"
*
* 4. "met-cmd --start --smi=dump"
*
*/
static int smi_process_argument(const char *arg, int len)
{
int master, port;
int rwtype, desttype, bustype;
int ret;
int idx;
if (len < 6)
return -1;
memset(err_msg, 0, MET_SMI_BUF_SIZE);
/* --smi=toggle */
if ((strncmp(arg, "toggle", 6) == 0) && (len == 6)) {
if (met_smi.mode != 0)
return -1;
/* Set mode */
met_smi.mode = 2;
/* --smi=toggle:master */
} else if ((strncmp(arg, "toggle", 6) == 0) &&
arg[6] == ':' &&
len > 7) {
if (met_smi.mode != 0)
return -1;
ret = get_num(&(arg[7]), &toggle_master);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Toggle master: can't get number [%s]\n",
arg);
return -1;
}
if (check_master_vaild(toggle_master) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Toggle master: check master failed [%s]\n",
arg);
return -1;
}
/* Set mode */
met_smi.mode = 3;
/* --smi=master:port:rwtype:desttype:bustype */
} else if (len >= 9) {
if ((met_smi.mode != 0) &&
(met_smi.mode != 1))
return -1;
/* Initial variables */
master = 0;
port = 0;
rwtype = 0;
desttype = 0;
bustype = 0;
/* Get master */
idx = 0;
ret = get_num(&(arg[idx]), &master);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return -1;
}
// Check master
if (check_master_vaild(master) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check master failed [%s]\n",
arg);
return -1;
}
/* Get port */
idx += ret + 1;
ret = get_num(&(arg[idx]), &port);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return -1;
}
// check port
if (check_port_vaild(master, port) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check port failed [%s]\n",
arg);
return -1;
}
// assign port
if (assign_port(master, port) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign port failed [%s]\n",
arg);
return -1;
}
/* Get rwtype */
idx += ret + 1;
ret = get_num(&(arg[idx]), &rwtype);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return -1;
}
// check rwtype
if (check_rwtype_vaild(master, port, rwtype) !=
MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check rwtype failed [%s]\n",
arg);
return -1;
}
// assign rwtype
if (assign_rwtype(master, rwtype) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign rwtype failed [%s]\n",
arg);
return -1;
}
/* Get desttype */
idx += ret + 1;
ret = get_num(&(arg[idx]), &desttype);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return -1;
}
// check desttype
if (check_desttype_valid(master, port, desttype) !=
MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check desttype failed [%s]\n",
arg);
return -1;
}
// assign desttype
if (assign_desttype(master, desttype) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign desttype failed [%s]\n",
arg);
return -1;
}
/* Get bustype */
idx += ret + 1;
ret = get_num(&(arg[idx]), &bustype);
if (ret == 0) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: can't get number [%s]\n",
arg);
return -1;
}
// check bustype
if (check_bustype_valid(master, port, bustype) !=
MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: check bustype failed [%s]\n",
arg);
return -1;
}
// assign bustype
if (assign_bustype(master, bustype) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign bustype failed [%s]\n",
arg);
return -1;
}
// assign mode for each master TODO: need to re-check
if (assign_mode(master, 1) != MET_SMI_SUCCESS) {
snprintf(err_msg,
MET_SMI_BUF_SIZE,
"Normal: assign mode failed [%s]\n",
arg);
return -1;
}
/* Set mode */
met_smi.mode = 1;
/* --smi=dump */
} else if (strncmp(arg, "dump", 4) == 0) {
if (met_smi.mode != 0)
return -1;
/* Set mode */
met_smi.mode = 4;
} else {
return -1;
}
return 0;
}
