public static new bool FromBytes(byte[] data, ref int pos, int end, out OscPacket packet)
{
// Check header size
int bundleByteSize = end - pos;
if (bundleByteSize < headerByteSize)
{
Debug.LogWarning("[OSC io] OscBundle with invalid header was ignored." + Environment.NewLine);
packet = null;
return(false);
}
// Check prefix
string prefixInput = Encoding.ASCII.GetString(data, pos, prefixByteSize);
if (prefixInput != prefix)
{
Debug.LogWarning("[OSC io] OscBundle with invalid header was ignored." + Environment.NewLine);
packet = null;
return(false);
}
pos += prefixByteSize + 1; // + 1 to ensure bytes multiple of 4
// Get timetag
byte[] oscNtpBytes = new byte[OscTimeTag.byteSize];
Array.Copy(data, pos, oscNtpBytes, 0, OscTimeTag.byteSize);
OscTimeTag timeTag = new OscTimeTag(oscNtpBytes);
pos += OscTimeTag.byteSize;
// Create and fill bundle
packet = new OscBundle(timeTag);
OscBundle bundle = packet as OscBundle;
while (pos < end)
{
int length = BitConverter.ToInt32(data, 0);
pos += 4;
int packetEnd = pos + length;
OscPacket subPacket;
if (pos < end && OscPacket.FromBytes(data, ref pos, packetEnd, out subPacket))
{
bundle.Add(subPacket);
}
}
return(true);
}
void EndReceive(IAsyncResult asyncResult)
{
if (!_isReceiving)
{
return;
}
try
{
UdpState udpState = (UdpState)asyncResult.AsyncState;
IPEndPoint endPoint = udpState.e;
UdpClient udpClient = udpState.u;
// TODO will this contain the souce of the datagram?
//Debug.Log( endPoint.Address + " " + endPoint.Port );
// Get the data
byte[] data = udpClient.EndReceive(asyncResult, ref endPoint);
// Begin receiving again
udpClient.BeginReceive(_callback, udpState);
// Parse packet and forward it
if (data != null && data.Length > 0)
{
OscPacket packet;
if (OscPacket.FromBytes(data, out packet))
{
OnOscPacketReceived(packet);
}
}
else
{
// Ignore
}
} catch (Exception e) {
if (e is ObjectDisposedException)
{
// Ignore.
}
else
{
Debug.LogWarning("[OscIn] Error occurred while receiving message." + Environment.NewLine + e.ToString());
}
}
}
