/// <summary>
/// Override to provide new behavior for receipt of a complete PosiStageNet info frame
/// </summary>
/// <param name="header"></param>
/// <param name="systemName"></param>
/// <param name="infoPackets"></param>
protected virtual void OnCompleteInfoFrameReceived(PsnInfoHeaderChunk header, string systemName,
IReadOnlyCollection <PsnInfoPacketChunk> infoPackets)
{
var infoTrackerChunks = infoPackets.SelectMany(p =>
((PsnInfoTrackerListChunk)p.SubChunks.Single(c => c.ChunkId == PsnInfoPacketChunkId.PsnInfoTrackerList))
.SubChunks)
.ToList();
if (infoTrackerChunks.Select(c => c.TrackerId).Distinct().Count() != infoTrackerChunks.Count)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, false, "Duplicate tracker IDs in frame"));
return;
}
if (RemoteSystemName != systemName)
{
RemoteSystemName = systemName;
RemoteSystemNameUpdated?.Invoke(this, RemoteSystemName);
}
foreach (var chunk in infoTrackerChunks)
{
PsnInfoTrackerNameChunk trackerNameChunk = null;
foreach (var subchunk in chunk.SubChunks)
{
switch (subchunk.ChunkId)
{
case PsnInfoTrackerChunkId.PsnInfoTrackerName:
if (trackerNameChunk != null)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, !IsStrict,
$"Tracker ID {chunk.TrackerId} has multiple tracker name chunks"));
if (IsStrict)
{
return;
}
}
trackerNameChunk = (PsnInfoTrackerNameChunk)subchunk;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (trackerNameChunk == null)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, !IsStrict,
$"Tracker ID {chunk.TrackerId} has no tracker name chunk"));
if (IsStrict)
{
return;
}
continue;
}
if (!_trackers.TryGetValue(chunk.TrackerId, out var tracker))
{
tracker = new PsnTracker(chunk.TrackerId, trackerNameChunk.TrackerName, null, header.TimeStamp);
_trackers.TryAdd(chunk.TrackerId, tracker);
}
else
{
tracker = tracker.SetTrackerName(trackerNameChunk.TrackerName);
tracker = tracker.SetInfoTimeStamp(header.TimeStamp);
}
_trackers[chunk.TrackerId] = tracker;
}
TrackersUpdated?.Invoke(this, Trackers);
}
/// <summary>
/// Override to provide new behavior for receipt of a complete PosiStageNet info frame
/// </summary>
/// <param name="header"></param>
/// <param name="systemName"></param>
/// <param name="infoPackets"></param>
protected virtual void OnCompleteInfoFrameReceived(IPEndPoint ipEndPoint, PsnInfoHeaderChunk header, string systemName,
IReadOnlyCollection <PsnInfoPacketChunk> infoPackets)
{
var infoTrackerChunks = infoPackets.SelectMany(p =>
((PsnInfoTrackerListChunk)p.SubChunks.Single(c => c.ChunkId == PsnInfoPacketChunkId.PsnInfoTrackerList))
.SubChunks)
.ToList();
if (infoTrackerChunks.Select(c => c.TrackerId).Distinct().Count() != infoTrackerChunks.Count)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, false, "Duplicate tracker IDs in frame"));
return;
}
var endPointData = getEndpointData(ipEndPoint);
if (endPointData.RemoteSystemName != systemName)
{
string lastSystemName = systemName;
endPointData.UpdateRemoteSystemName(systemName);
RemoteSystemNameUpdated?.Invoke(this, new Tuple <string, EndPointData>(lastSystemName, endPointData));
}
foreach (var chunk in infoTrackerChunks)
{
PsnInfoTrackerNameChunk trackerNameChunk = null;
foreach (var subChunk in chunk.SubChunks)
{
switch (subChunk.ChunkId)
{
case PsnInfoTrackerChunkId.PsnInfoTrackerName:
if (trackerNameChunk != null)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, !IsStrict,
$"Tracker ID {chunk.TrackerId} has multiple tracker name chunks"));
if (IsStrict)
{
return;
}
}
trackerNameChunk = (PsnInfoTrackerNameChunk)subChunk;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (trackerNameChunk == null)
{
InvalidPacketReceived?.Invoke(this,
new InvalidPacketsReceivedEventArgs(infoPackets, !IsStrict,
$"Tracker ID {chunk.TrackerId} has no tracker name chunk"));
if (IsStrict)
{
return;
}
continue;
}
if (!_endpoints.TryGetValue(ipEndPoint, out var trackerList))
{
trackerList.updateTracker(chunk, trackerNameChunk, header);
_endpoints.TryAdd(ipEndPoint, trackerList);
}
else
{
trackerList.updateTracker(chunk, trackerNameChunk, header);
}
TrackersUpdated?.Invoke(this, new TrackerUpdateEventArgs()
{
TrackerId = chunk.TrackerId,
Data = endPointData
});
}
}
