static inline size_t get_backtrace(Frames &frame_buffer,
size_t frames_to_remove) {
void *frames[2048];
int count = ::backtrace(&frames[0], sizeof(frames) / sizeof(void *));
if (count > frames_to_remove)
frame_buffer.assign(&frames[frames_to_remove], &frames[count]);
else
frame_buffer.assign(&frames[0], &frames[count]);
while (frame_buffer.back() < (void *)1024)
frame_buffer.pop_back();
return frame_buffer.size();
}
void SslConnector::handle(AMQFrame& frame) {
bool notifyWrite = false;
{
Mutex::ScopedLock l(lock);
frames.push_back(frame);
//only ask to write if this is the end of a frameset or if we
//already have a buffers worth of data
currentSize += frame.encodedSize();
if (frame.getEof()) {
lastEof = frames.size();
notifyWrite = true;
} else {
notifyWrite = (currentSize >= maxFrameSize);
}
/*
NOTE: Moving the following line into this mutex block
is a workaround for BZ 570168, in which the test
testConcurrentSenders causes a hang about 1.5%
of the time. ( To see the hang much more frequently
leave this line out of the mutex block, and put a
small usleep just before it.)
TODO mgoulish - fix the underlying cause and then
move this call back outside the mutex.
*/
if (notifyWrite && !closed) aio->notifyPendingWrite();
}
}
void backtrace_log(const char *format, ...) {
const int log_fd = get_logging_fd();
if (log_fd >= 0) {
if (format && format[0]) {
va_list args;
va_start(args, format);
log(format, args);
va_end(args);
}
Frames frames;
if (get_backtrace(frames, 2))
::backtrace_symbols_fd(frames.data(), frames.size(), log_fd);
}
}
void ChannelUpdateVisitor::_updateDrawTiles( const Compound* compound,
const RenderContext& context )
{
Frames frames;
std::vector< co::ObjectVersion > frameIDs;
const Frames& outputFrames = compound->getOutputFrames();
for( FramesCIter i = outputFrames.begin(); i != outputFrames.end(); ++i)
{
Frame* frame = *i;
if( !frame->hasData( _eye )) // TODO: filter: buffers, vp, eye
continue;
frames.push_back( frame );
frameIDs.push_back( co::ObjectVersion( frame ));
}
const Channel* destChannel = compound->getInheritChannel();
const TileQueues& inputQueues = compound->getInputTileQueues();
for( TileQueuesCIter i = inputQueues.begin(); i != inputQueues.end(); ++i )
{
const TileQueue* inputQueue = *i;
const TileQueue* outputQueue = inputQueue->getOutputQueue( context.eye);
const UUID& id = outputQueue->getQueueMasterID( context.eye );
LBASSERT( id != UUID::ZERO );
ChannelFrameTilesPacket tilesPacket;
tilesPacket.isLocal = (_channel == destChannel);
tilesPacket.context = context;
tilesPacket.tasks = compound->getInheritTasks() &
( eq::fabric::TASK_CLEAR | eq::fabric::TASK_DRAW |
eq::fabric::TASK_READBACK );
tilesPacket.queueVersion.identifier = id;
tilesPacket.queueVersion.version = co::VERSION_FIRST; // eile: ???
tilesPacket.nFrames = uint32_t( frames.size( ));
_channel->send< co::ObjectVersion >( tilesPacket, frameIDs );
_updated = true;
LBLOG( LOG_TASKS ) << "TASK tiles " << _channel->getName() << " "
<< &tilesPacket << std::endl;
}
}
void backtrace_error(const char *format, ...) {
const int pid = get_interposed_pid();
if (pid >= 0) {
const int log_fd = get_logging_fd();
if (log_fd >= 0) {
log("\nerror: %s (pid=%i): ", get_process_fullpath(), pid);
if (format && format[0]) {
va_list args;
va_start(args, format);
log(format, args);
va_end(args);
}
Frames frames;
if (get_backtrace(frames, 2))
::backtrace_symbols_fd(frames.data(), frames.size(), log_fd);
}
}
}
size_t size() { return frames.size(); }