/// <summary>
/// Analyzes and responds if required to the given <see cref="RTMPPacket"/>.
/// </summary>
/// <param name="packet">The packet to inspect and react to.</param>
/// <returns>0 (false) for OK/Failed/error, 1 for 'Stop or Complete' (true)</returns>
private bool HandleInvoke(RTMPPacket packet)
{
bool ret = false;
if (packet.Body[0] != 0x02) // make sure it is a string method name we start with
{
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, "[CDR.LibRTMP.NetConnection.HandleInvoke] Sanity failed. no string method in invoke packet");
return false;
}
AMFObject obj = new AMFObject();
int nRes = obj.Decode(packet.Body, 0, (int)packet.BodySize, false);
if (nRes < 0)
{
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, "[CDR.LibRTMP.NetConnection.HandleInvoke] Error decoding invoke packet");
return false;
}
obj.Dump();
string method = obj.GetProperty(0).StringValue;
double txn = obj.GetProperty(1).NumberValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] Server invoking <{0}>", method));
if (method == "_result")
{
int transactionResultNum = (int)obj.GetProperty(1).NumberValue;
string methodInvoked = "";
if (methodCallDictionary.ContainsKey(transactionResultNum))
{
methodInvoked = methodCallDictionary[transactionResultNum];
methodCallDictionary.Remove(transactionResultNum);
}
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] received result for method call <{0}>", methodInvoked));
if (methodInvoked == "connect")
{
// Get some info out of the result connection
DecodeNetConnectionInfo_Connect_Result(obj);
// Is SecureToken activate (when using wowza server)
string tmpSecureTokenPassword = string.Empty;
lock (lockVAR)
{
tmpSecureTokenPassword = secureTokenPassword;
}
if (!string.IsNullOrEmpty(tmpSecureTokenPassword))
{
List<AMFObjectProperty> props = new List<AMFObjectProperty>();
obj.FindMatchingProperty("secureToken", props, int.MaxValue);
if (props.Count > 0)
{
#if INCLUDE_TMPE
#endif
}
}
MQInternal_SendServerBW();
// Send OnConnect event
}
else if (methodInvoked == "createStream")
{
int transactionNum = (int)obj.GetProperty(1).NumberValue;
int stream_id = (int)obj.GetProperty(3).NumberValue;
if (transactionIDReferenceTable.ContainsKey(transactionNum) && transactionIDReferenceTable[transactionNum] is NetStream)
{
NetStream netStream = (NetStream)transactionIDReferenceTable[transactionNum];
transactionIDReferenceTable.Remove(transactionNum);
LibRTMPLogger.Log(LibRTMPLogLevel.Info, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] Received createStream(stream_id={0})", stream_id));
netStream.Stream_ID = stream_id;
// make sure we know which NetStreams use this NetCOnnection
RegisterNetStream(netStream);
int contentBufferTime = NetConnection.DefaultContentBufferTime;
netStream.HandleOnAssignStream_ID(packet, stream_id, out contentBufferTime);
if (contentBufferTime <= 0)
{
contentBufferTime = NetConnection.DefaultContentBufferTime;
}
// Tell buffer time we want to use for this channel
MQ_SendPing(3, (uint)netStream.Stream_ID, (uint)contentBufferTime);
}
else
{
// We haven't found a NetStream for which this is intended, so delete it again
MQ_SendDeleteStream(stream_id);
}
}
else if (methodInvoked == "play")
{
// Server send the play command?
}
}
else if (method == "onBWDone")
{
if (bwCheckCounter == 0)
{
MQInternal_SendCheckBW();
}
}
else if (method == "_onbwcheck")
{
MQInternal_SendCheckBWResult(txn);
}
else if (method == "_onbwdone")
{
int transactionResultNum = (int)obj.GetProperty(1).NumberValue;
if (methodCallDictionary.ContainsValue("_checkbw"))
{
var item = methodCallDictionary.First(x => x.Value == "_checkbw");
methodCallDictionary.Remove(item.Key);
}
}
else if (method == "_error")
{
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, "[CDR.LibRTMP.NetConnection.HandleInvoke] rtmp server sent error");
}
else if (method == "close")
{
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, "[CDR.LibRTMP.NetConnection.HandleInvoke] rtmp server requested close");
CloseConnection();
}
else if (method == "onStatus")
{
int stream_id = packet.InfoField2;
string code = obj[3].ObjectValue.GetProperty("code").StringValue;
string level = obj[3].ObjectValue.GetProperty("level").StringValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Info, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] stream_id={0}, method={1}, code={2}, level={3}", stream_id, method, code, level));
// Zoek NetStream op en geef OnStatus door
if (netStreams[stream_id] != null)
{
if (code == "NetStream.Pause.Notify")
{
// fix to help netstream
packet.TimeStamp = channelTimestamp[netStreams[stream_id].MediaChannel];
}
netStreams[stream_id].HandleOnStatus(packet);
}
else
{
LibRTMPLogger.Log(LibRTMPLogLevel.Info, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] UNHANDLED | stream_id={0}, method={1}, code={2}, level={3}", stream_id, method, code, level));
}
}
else if (dMethodLookup.ContainsKey(method))
{
ret = true;
SynchronizationContext sc;
State_NC_MethodCall stateMethodCall = new State_NC_MethodCall();
lock (lockVAR)
{
sc = synchronizationContext;
stateMethodCall.Call = dMethodLookup[method];
} //lock
stateMethodCall.thisObject = this;
stateMethodCall.MethodParam = obj;
if (sc != null)
{
switch (synchronizationContextMethod)
{
case SynchronizationContextMethod.Post:
sc.Post(HandleOnMethodCall, stateMethodCall);
break;
case SynchronizationContextMethod.Send:
sc.Send(HandleOnMethodCall, stateMethodCall);
break;
} //switch
}
else
{
HandleOnMethodCall(stateMethodCall);
}
}
else
{
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetConnection.HandleInvoke] [EVENT]={0}", method));
}
return ret;
}
[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)] // hide it for code completion
virtual internal bool HandleOnMetaData(RTMPPacket packet)
{
AMFObject obj = new AMFObject();
int nRes = obj.Decode(packet.Body, 0, (int)packet.BodySize, false);
if (nRes < 0)
{
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, "[CDR.LibRTMP.NetStream.HandleOnMetaData] Error decoding meta data packet");
return false;
}
/* For video:
* canSeekToEnd = true
* videocodecid = 4
* framerate = 15
* videodatarate = 400
* height = 215
* width = 320
* duration = 7.347
*
* For Audio (MP3): metastring =="onID3"
*
*/
string metastring = obj.GetProperty(0).StringValue;
switch (metastring)
{
case "onMetaData":
List<AMFObjectProperty> props = new List<AMFObjectProperty>();
props.Clear();
obj.FindMatchingProperty("audiodatarate", props, 1);
if (props.Count > 0)
{
int rate = (int)props[0].NumberValue;
audioDatarate += rate;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnMetaData] audiodatarate: {0}", audioDatarate));
}
props.Clear();
obj.FindMatchingProperty("videodatarate", props, 1);
if (props.Count > 0)
{
int rate = (int)props[0].NumberValue;
videoDatarate += rate;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnMetaData] videodatarate: {0}", videoDatarate));
}
if (audioDatarate == 0 && videoDatarate == 0)
{
props.Clear();
obj.FindMatchingProperty("filesize", props, int.MaxValue);
if (props.Count > 0)
{
combinedTracksLength = (int)props[0].NumberValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnMetaData] Set CombinedTracksLength from filesize: {0}", combinedTracksLength));
}
}
if (combinedTracksLength == 0)
{
props.Clear();
obj.FindMatchingProperty("datasize", props, int.MaxValue);
if (props.Count > 0)
{
combinedTracksLength = (int)props[0].NumberValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnMetaData] Set CombinedTracksLength from datasize: {0}", combinedTracksLength));
}
}
props.Clear();
obj.FindMatchingProperty("duration", props, 1);
if (props.Count > 0)
{
double duration = props[0].NumberValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnMetaData] Set duration: {0}", duration));
lock (lockVAR)
{
metaDataDurationInMS = Convert.ToInt64(duration * 1000);
}
// Looks the same as the "onPlayStatus" (See NetConnection.HandleMetadata (we route it there through HandleOnStatusDecoded
// doing it here also)
Internal_HandleOnStatusDecoded(packet, "onStatus", "NetStream.Play.OnMetaData", "onPlayStatus", obj);
}
break;
// Looks more as an invoke to me Let NetStream.OnStatus handle it
case "onStatus": // -=> "NetStream.Data.Start"
Internal_HandleOnStatusDecoded(packet, "onStatus", obj.GetProperty(1).ObjectValue.GetProperty("code").StringValue, "", obj);
break;
case "onPlayStatus":
// "code" = "NetStream.Play.Switch"
// "level"= "status" ,made it "onPlayStatus"
// Has also "duration" and "bytes" as additional metadata (looks like a normal onMetaData to me with less options as the normal)
Internal_HandleOnStatusDecoded(packet, "onStatus", obj.GetProperty(1).ObjectValue.GetProperty("code").StringValue, "onPlayStatus", obj);
break;
case "onID3":
return HandleOnID3(obj);
default:
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetConnection.NetStream.HandleOnMetaData] metastring= {0}", metastring));
break;
} //switch
return true;
}
private void HandleMetadata(RTMPPacket packet)
{
int stream_id = packet.InfoField2;
// Find matching NetStream and forward this packet.
if (netStreams[stream_id] == null)
{
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, string.Format("[CDR.LibRTMP.NetConnection.HandleMetadata] No matching NetStream found for stream_id {0}", stream_id));
return;
}
AMFObject obj = new AMFObject();
int nRes = obj.Decode(packet.Body, 0, (int)packet.BodySize, false);
if (nRes < 0)
{
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, "[CDR.LibRTMP.NetConnection.HandleMetadata] Error decoding meta data packet");
return;
}
string metastring = obj.GetProperty(0).StringValue;
switch (metastring)
{
case "|RtmpSampleAccess":
// Ignore this, unknown
return;
// Looks more as an invoke to me Let NetStream.OnStatus handle it
case "onStatus": // -=> "NetStream.Data.Start"
case "onPlayStatus": // -=> "NetStream.Play.Switch"
case "onMetaData": // This seams to me te real metadata
case "onID3":
// Let NetStream Handle it
netStreams[stream_id].HandleOnMetaData(packet);
break;
default:
LibRTMPLogger.Log(LibRTMPLogLevel.Warning, string.Format("[CDR.LibRTMP.NetConnection.HandleMetadata] Unknown metadata {0}", metastring));
break;
} //switch
return;
}
[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)] // hide it for code completion
internal bool HandleOnStatus(RTMPPacket packet)
{
AMFObject obj = new AMFObject();
int nRes = obj.Decode(packet.Body, 0, (int)packet.BodySize, false);
if (nRes < 0)
{
return false;
}
// string method = obj.GetProperty(0).GetString(); // always onStatus
int stream_id = packet.InfoField2;
string code = obj.GetProperty(3).ObjectValue.GetProperty("code").StringValue;
string level = obj.GetProperty(3).ObjectValue.GetProperty("level").StringValue;
LibRTMPLogger.Log(LibRTMPLogLevel.Trace, string.Format("[CDR.LibRTMP.NetStream.HandleOnStatus] code :{0}, level: {1}", code, level));
return Internal_HandleOnStatusDecoded(packet, "onStatus", code, level, obj);
}
