/*! Poll target to check run status
*
*/
void GdbServerWindow::pollTarget() {
static GdbTargetStatus lastTargetStatus = T_UNKNOWN;
// Get status without polling target
targetStatus = getGdbTargetStatus();
switch (targetStatus) {
case T_RUNNING:
case T_SLEEPING:
// Actually poll the target
targetStatus = gdbPollTarget();
// Set up next polling time
statusTimer->Start(pollIntervalFast, wxTIMER_ONE_SHOT);
break;
case T_NOCONNECTION:
Logging::print("GdbServerWindow::pollTarget() - T_NOCONNECTION\n");
dropConnection();
break;
case T_UNKNOWN:
case T_HALT:
// Don't poll while not running
break;
}
if (targetStatus != lastTargetStatus) {
if (targetStatus == T_NOCONNECTION) {
Logging::print("GdbServerWindow::pollTarget(), status changed to T_NOCONNECTION\n");
}
UpdateStatusBar();
}
lastTargetStatus = targetStatus;
}
void CNetworkClient::run()
{
while(1)
{
{
QMutexLocker lock( &m_mutex );
QHostAddress hostAddr( m_ip );
if ( !m_socket->isOpen () || !(m_socket->state() == QAbstractSocket::ConnectedState) )
{
m_socket->connectToHost( hostAddr, m_port );
if ( !m_socket->waitForConnected( m_timeout ) )
{
return;
}
}
write();
read();
}
MilliSleep( m_sleepTime );
{
// how to exit 100% safe, this is not the way to go for sure
QMutexLocker lock( &m_mutex );
if ( dropConnection() )
{
m_socket->disconnectFromHost();
break;
}
}
}
}
*/void GdbServerWindow::OnCloseWindow(wxCloseEvent& event) {
if (!event.CanVeto() || confirmDropConnection()) {
Logging::print("GdbServerWindow::OnCloseWindow()\n");
dropConnection();
this->Destroy();
}
else {
event.Veto();
}
}
void GdbServerWindow::closeServer() {
Logging::print("GdbServerWindow::closeServer()\n");
dropConnection();
if (serverSocket != NULL) {
statusTextControl->AppendText(_("Stopping Server\n"));
serverSocket->Destroy();
serverSocket = NULL;
}
serverState = idle;
UpdateStatusBar();
}
void timeoutExpired() noexcept override {
VLOG(4) << "SSL handshake timeout expired";
sslError_ = SSLErrorEnum::TIMEOUT;
dropConnection();
}
/*!
* Handler for Socket events (after connection)
*
* - Only expects:
* - wxSOCKET_INPUT - New data
* - wxSOCKET_LOST - Connection dropped
*
* @param event Event to handle
*/
void GdbServerWindow::OnSocketEvent(wxSocketEvent& event) {
if (event.GetSocket() != clientSocket) {
statusTextControl->AppendText(_("Event from unknown socket\n"));
return;
}
// Now we process the event
switch(event.GetSocketEvent()) {
case wxSOCKET_INPUT: {
if (clientSocket != NULL) {
clientSocket->SetNotify(wxSOCKET_LOST_FLAG);
}
if (deferredOpen) {
// Open on first access after socket creation
deferredOpen = false;
USBDM_ErrorCode rc = shared->initBdm();
if (rc != BDM_RC_OK) {
reportError("BDM Open failed, reason: ", M_FATAL, rc);
statusTextControl->AppendText(_("BDM Open failed\n"));
Logging::print("GdbServerWindow::OnSocketEvent() - BDM Open failed\n");
dropConnection();
return;
}
gdbInOut = new GdbInOutWx(clientSocket, statusTextControl);
GdbCallback cb = GdbMessageWrapper::getCallBack(this);
rc = gdbHandlerInit(gdbInOut, *shared->getCurrentDevice(), cb);
if (rc != BDM_RC_OK) {
reportError("GDB Handler initialisation failed, reason: ", M_FATAL, rc);
Logging::print("GdbServerWindow::OnSocketEvent() - GDB Handler initialisation failed\n");
dropConnection();
return;
}
statusTextControl->AppendText(_("BDM Open OK\n"));
}
// Triggers read of socket
const GdbPacket *packet;
USBDM_ErrorCode rc = BDM_RC_OK;
do {
// Process packets from GDB until idle
packet = gdbInOut->getGdbPacket();
if (packet != NULL) {
rc = doGdbCommand(packet);
if (rc != BDM_RC_OK) {
statusTextControl->AppendText(wxString(USBDM_GetErrorString(rc),wxConvUTF8));
}
}
} while ((packet != NULL) && (rc == BDM_RC_OK) && !deferredFail);
if (deferredFail) {
// A fatal error was reported - drop connection
Logging::print("GdbServerWindow::OnSocketEvent() - deferredFail\n");
dropConnection();
}
else {
// Poll target immediately (also adjusts polling rate)
pollTarget();
}
if (clientSocket != NULL) {
clientSocket->SetNotify(wxSOCKET_LOST_FLAG | wxSOCKET_INPUT_FLAG);
}
break;
}
case wxSOCKET_LOST: {
serverState = listening;
Logging::print("GdbServerWindow::OnSocketEvent() - wxSOCKET_LOST\n");
dropConnection();
break;
}
default:
statusTextControl->AppendText(_("Unexpected event on socket!\n"));
break;
}
UpdateStatusBar();
}
/*! Handler for Drop connection menu item
*
*/
void GdbServerWindow::OnDropConnection(wxCommandEvent& WXUNUSED(event)) {
if ((clientSocket != NULL) && confirmDropConnection()) {
Logging::print("GdbServerWindow::OnDropConnection()\n");
dropConnection();
}
}
