ApiLocalConnectionHandler::ApiLocalConnectionHandler(
ApiServer* apiServer, QLocalSocket* sock, QObject *parent) :
QObject(parent), mApiServer(apiServer), mLocalSocket(sock),
mState(WAITING_PATH)
{
connect(mLocalSocket, SIGNAL(disconnected()), this, SLOT(deleteLater()));
connect(sock, SIGNAL(readyRead()), this, SLOT(handlePendingRequests()));
}
void
AsyncLoop::asyncLoop()
{
// This runs as an asynchronous task.
dbgAssert( m_multiCurl );
SocketActions socketActions;
while( !m_shutdown )
{
try
{
if( m_hasPending )
{
// Add new and remove canceled requests.
handlePendingRequests();
dbgAssert( m_runningRequestCount >= m_socketPool.size() );
}
size_t socketCount = m_socketPool.size();
if( m_runningRequestCount > socketCount )
{
// We have added more requests to the multi-handle than the number of sockets
// curl reported back to us yet. Execute 'timeout' action.
executeSocketAction( INVALID_SOCKET_HANDLE );
}
else
{
// Wait for any activity.
socketActions.reserve( socketCount );
if( m_socketPool.wait( m_socketActionTimeout, c_interruptOnlyTimeout, &socketActions ) )
{
// Some activity (or interrupt) has been detected, handle it.
for( SocketActions::const_iterator it = socketActions.begin();
it != socketActions.end(); ++it )
{
executeSocketAction( it->first, it->second );
}
}
else
{
// No activity, go through all sockets and check their status.
// Note: curl_multi_socket_all(..) is deprecated but it doesn't seem
// there is another way to check all sockets. Without this call some sockets
// may stuck for very long.
int stillRunning = 0;
CURLMcode multiCurlCode = curl_multi_socket_all( m_multiCurl, &stillRunning );
raiseIfError( multiCurlCode );
}
}
// Remove completed requests.
removeCompletedRequests();
dbgAssert( m_runningRequestCount >= m_socketPool.size() );
}
catch( ... )
{
// Continue to work no matter what.
handleBackgroundError();
taskSleep( 3000 );
}
}
}
