private void ExecuteCommands()
{
bool terminating = Terminating;
while (!terminating)
{
MPDSendable sendable = null;
lock (m_Lock)
{
// Avoid using the property as it might break
// threading. TODO: this could be neatly wrapped into
// a method that returns a command or null if
// terminating, but it's just cosmetics.
terminating = m_Terminating;
if (m_CommandQueue.Count > 0)
{
sendable = m_CommandQueue.Dequeue();
m_ThreadEvent.Reset();
}
}
if (!terminating)
{
if (sendable == null)
{
m_ThreadEvent.WaitOne();
}
else
{
if (sendable is MPDCommand)
{
MPDCommand command = sendable as MPDCommand;
UpdateThreadMessage(command);
bool optimizeOut = false;
optimizeOut = optimizeOut || (command.Op == "status" && m_StatusUpdateEnqueued);
optimizeOut = optimizeOut || (command.Op == "stats" && m_StatsUpdateEnqueued);
if (!optimizeOut)
{
SendCommand(command.FullSyntax);
ReceiveResponse(command);
}
}
else if (sendable is MPDCommandList)
{
MPDCommandList commands = sendable as MPDCommandList;
if (commands.Nonempty)
{
SendCommand(sendable.FullSyntax);
ReceiveResponse(sendable);
}
}
}
}
}
}
public void Send(MPDSendable sendable)
{
lock (m_Lock)
{
m_CommandQueue.Enqueue(sendable);
m_ThreadEvent.Set();
}
}
private void ReceiveResponse(MPDSendable sendable)
{
// TODO: if the server is really slow (Mopidy on an RPI for
// example), we can get stuck here during shutdown.
MPDResponseLine statusLine = GetResponseLine();
while (statusLine != null && !statusLine.IsStatus)
{
m_DataModel.NetworkLog?.LogResponseVerbose(statusLine);
if (statusLine.Key != MPDResponseLine.Keyword.Unknown)
{
m_CurrentResponse.Add(statusLine);
}
statusLine = GetResponseLine();
}
if (statusLine != null)
{
m_DataModel.NetworkLog?.LogResponseCompact(statusLine);
if (statusLine.Key == MPDResponseLine.Keyword.ACK)
{
m_Parent.OnErrorMessageChanged(statusLine.Value);
}
else if (sendable is MPDCommand)
{
MPDCommand command = sendable as MPDCommand;
if (command.Op == "currentsong")
{
ParseSongList();
Callback(m_DataModel.CurrentSong.OnCurrentSongResponseReceived);
m_CurrentSongList.Clear();
}
else if (command.Op == "listallinfo")
{
ParseSongList();
Callback(m_DataModel.Database.OnListAllInfoResponseReceived);
m_CurrentSongList.Clear();
}
else if (command.Op == "listplaylistinfo")
{
ParseSongList();
Callback(m_DataModel.SavedPlaylists.OnListPlaylistInfoResponseReceived, command.Argument1);
m_CurrentSongList.Clear();
}
else if (command.Op == "lsinfo")
{
Callback(m_DataModel.SavedPlaylists.OnLsInfoResponseReceived);
}
else if (command.Op == "outputs")
{
Callback(m_DataModel.OutputCollection.OnOutputsResponseReceived);
}
else if (command.Op == "playlistinfo")
{
ParseSongList();
Callback(m_DataModel.Playlist.OnPlaylistInfoResponseReceived);
m_CurrentSongList.Clear();
}
else if (command.Op == "search")
{
ParseSongList();
Callback(m_DataModel.AdvancedSearch.OnSearchResponseReceived);
m_CurrentSongList.Clear();
}
else if (command.Op == "stats")
{
Callback(m_DataModel.ServerStatus.OnStatsResponseReceived);
}
else if (command.Op == "status")
{
Callback(m_DataModel.ServerStatus.OnStatusResponseReceived);
}
}
}
m_CurrentResponse.Clear();
}