public bool Parse(PacketEvent packet)
{
this.valid = false;
DataBuffer rawInput = new DataBuffer(packet.GetData(), packet.GetLength());
DataBufferReader reader = new DataBufferReader();
int protocol = reader.Read16(rawInput);
if (protocol == 0xffff)
{
command = commandMap.GetValueOrDefault <int, AppleMIDICommand>(reader.Read16(rawInput));
switch (command)
{
case AppleMIDICommand.INVITATION:
case AppleMIDICommand.INVITATION_ACCEPTED:
case AppleMIDICommand.INVITATION_REJECTED:
case AppleMIDICommand.END:
this.valid = true;
protocol_version = reader.ReadInteger(rawInput);
initiator_token = reader.ReadInteger(rawInput);
ssrc = reader.ReadInteger(rawInput);
name = reader.ReadString(rawInput);
// this.version = buffer.readUInt32BE(4);
// this.token = buffer.readUInt32BE(8);
// this.ssrc = buffer.readUInt32BE(12);
// this.name = buffer.toString('utf-8', 16);
break;
case AppleMIDICommand.SYNCHRONIZATION:
this.valid = true;
ssrc = reader.ReadInteger(rawInput);
count = reader.Read8(rawInput);
padding = reader.Read24(rawInput);
timestamp1 = reader.ReadUnsignedInteger64(rawInput);
timestamp2 = reader.ReadUnsignedInteger64(rawInput);
timestamp3 = reader.ReadUnsignedInteger64(rawInput);
// this.ssrc = buffer.readUInt32BE(4, 8);
// this.count = buffer.readUInt8(8);
// this.padding = (buffer.readUInt8(9) << 0xF0) + buffer.readUInt16BE(10);
// this.timestamp1 = buffer.slice(12, 20); //[buffer.readUInt32BE(12), buffer.readUInt32BE(16)];
// this.timestamp2 = buffer.slice(20, 28); //[buffer.readUInt32BE(20), buffer.readUInt32BE(24)];
// this.timestamp3 = buffer.slice(28, 36); //[buffer.readUInt32BE(28), buffer.readUInt32BE(32)];
break;
case AppleMIDICommand.RECEIVER_FEEDBACK:
this.valid = true;
ssrc = reader.ReadInteger(rawInput);
sequenceNumber = reader.Read16(rawInput);
// this.ssrc = buffer.readUInt32BE(4, 8);
// this.sequenceNumber = buffer.readUInt16BE(8);
break;
case AppleMIDICommand.BITRATE_RECEIVE_LIMIT:
this.valid = true;
break;
}
}
return(valid);
}
public void CreateInvitationAccepted(int token, int ssrc, string name)
{
this.name = name;
this.initiator_token = token;
this.ssrc = ssrc;
this.protocol_version = 2;
this.command = AppleMIDICommand.INVITATION_ACCEPTED;
}
public void CreateEnd(int token, int ssrc, string name)
{
this.name = name;
this.initiator_token = token;
this.ssrc = ssrc;
this.protocol_version = 2;
this.command = AppleMIDICommand.END;
}
public void createEnd(int token, int ssrc, String name)
{
this.name = name;
this.initiator_token = token;
this.ssrc = ssrc;
this.protocol_version = 2;
this.command = END;
}
public void createInvitationRejected(int token, int ssrc, String name)
{
this.name = name;
this.initiator_token = token;
this.ssrc = ssrc;
this.protocol_version = 2;
this.command = INVITATION_REJECTED;
}
public void CreateSyncronization(int ssrc, int count, long t1, long t2, long t3)
{
this.ssrc = ssrc;
this.count = count;
this.timestamp1 = t1;
this.timestamp2 = t2;
this.timestamp3 = t3;
this.command = AppleMIDICommand.SYNCHRONIZATION;
}
private int GetCommandKey(AppleMIDICommand c)
{
foreach (int key in commandMap.Keys)
{
if (commandMap.GetValueOrDefault <int, AppleMIDICommand>(key).Equals(c))
{
return(key); //return the first found
}
}
return(-1);
}
private Integer getCommandKey(AppleMIDICommand c)
{
foreach (int key in commandMap.keySet())
{
if (commandMap.get(key).equals(c))
{
return(key); //return the first found
}
}
return(null);
}
