void WebSocketWorker::doRead()
{
if (!m_isRunning)
return;
if (!m_webSocketServer.IsRunning() || !m_socket->isOpen())
{
CloseConnection();
return;
}
if (m_webSocketMode)
{
ProcessFrames(m_socket);
}
else
{
if (!ProcessHandshake(m_socket))
SendClose(kCloseProtocolError);
}
if (!m_webSocketMode)
{
LOG(VB_HTTP, LOG_WARNING, "WebSocketServer: Timed out waiting for connection upgrade");
CloseConnection();
}
}
void wxStackWalker::Walk(size_t skip, size_t maxDepth)
{
// read all frames required
SaveStack(maxDepth);
// process them
ProcessFrames(skip);
// cleanup
FreeStack();
}
void FrameStart()
{
ProcessFrames();
SFrame frame;
frame.num = m_Profiler.GetFrameNumber();
frame.timeStart = m_Profiler.GetTime();
m_Frames.push_back(frame);
RegionEnter("frame");
}
void ShowStackInDialog()
{
ProcessFrames(0);
for ( wxVector<Frame>::const_iterator it = m_frames.begin();
it != m_frames.end();
++it )
{
gtk_assert_dialog_append_stack_frame(m_dlg,
it->name.utf8_str(),
it->file.utf8_str(),
it->line);
}
m_frames.clear();
}
void FrameStart()
{
ProcessFrames();
SFrame frame;
frame.num = m_Profiler.GetFrameNumber();
// On (at least) some NVIDIA Windows drivers, when GPU-bound, or when
// vsync enabled and not CPU-bound, the first glGet* call at the start
// of a frame appears to trigger a wait (to stop the GPU getting too
// far behind, or to wait for the vsync period).
// That will be this GL_TIMESTAMP get, which potentially distorts the
// reported results. So we'll only do it fairly rarely, and for most
// frames we'll just assume the clocks don't drift much
const double RESYNC_PERIOD = 1.0; // seconds
double now = m_Profiler.GetTime();
if (m_Frames.empty() || now > m_Frames.back().syncTimeStart + RESYNC_PERIOD)
{
PROFILE2("profile timestamp resync");
pglGetInteger64v(GL_TIMESTAMP, &frame.syncTimestampStart);
ogl_WarnIfError();
frame.syncTimeStart = m_Profiler.GetTime();
// (Have to do GetTime again after GL_TIMESTAMP, because GL_TIMESTAMP
// might wait a while before returning its now-current timestamp)
}
else
{
// Reuse the previous frame's sync data
frame.syncTimeStart = m_Frames[m_Frames.size()-1].syncTimeStart;
frame.syncTimestampStart = m_Frames[m_Frames.size()-1].syncTimestampStart;
}
m_Frames.push_back(frame);
RegionEnter("frame");
}
