/// <summary>
/// Add a osc message to the send queue
/// </summary>
/// <param name="message">message to send</param>
public void Send(OscPacket message)
{
if (State != OscSocketState.Connected)
{
return;
}
queueEmpty.Reset();
if (sendQueue.Count >= messageBufferSize)
{
return;
}
sendQueue.Enqueue(message);
if (sendQueue.Count != 1)
{
return;
}
int size = message.Write(buffer);
if (Statistics != null)
{
message.IncrementSendStatistics(Statistics);
Statistics.BytesSent.Increment(size);
}
PacketSent?.Invoke(message);
Socket.BeginSend(buffer, 0, size, SocketFlags, Send_Callback, message);
}
private void ListenLoop()
{
try
{
while (OscReceiver.State != OscSocketState.Closed)
{
// if we are in a state to receive
if (OscReceiver.State != OscSocketState.Connected)
{
continue;
}
// get the next message
// this will block until one arrives or the socket is closed
OscPacket packet = OscReceiver.Receive();
PacketReceived?.Invoke(packet);
if (packet.Error == OscPacketError.None)
{
OscAddressManager.Invoke(packet);
}
PacketProcessed?.Invoke(packet);
}
}
catch (Exception ex)
{
}
}
/// <summary>
/// Writes a single packet to the stream at the current position.
/// </summary>
/// <param name="packet">A osc packet</param>
public void Write(OscPacket packet)
{
switch (Format)
{
case OscPacketFormat.Binary:
byte[] bytes = packet.ToByteArray();
// write the length
Helper.Write(binaryWriter, bytes.Length);
// write the packet
binaryWriter.Write(bytes);
break;
case OscPacketFormat.Slip:
byte[] preSlipBytes = packet.ToByteArray();
byte[] slipBytes = Slip.SlipPacketWriter.Write(preSlipBytes, 0, preSlipBytes.Length);
// write the packet
binaryWriter.Write(slipBytes);
break;
case OscPacketFormat.String:
stringWriter.WriteLine(packet.ToString());
break;
default:
throw new Exception($@"Invalid OSC stream format ""{Format}"".");
}
}
private void ReceivedBytes(ref byte[] packetBytes, ref byte[] readBuffer)
{
// Fetch bytes from serial port
//int bytesToRead = Math.Min(serialPort.BytesToRead, readBuffer.Length); // Don't use BytesToRead as it is not mono compatible
int bytesToRead = readBuffer.Length;
bytesToRead = serialPort.Read(readBuffer, 0, bytesToRead);
Statistics?.BytesReceived.Increment(bytesToRead);
int processed = 0;
do
{
int packetLength;
processed += reader.ProcessBytes(readBuffer, processed, bytesToRead - processed, ref packetBytes, out packetLength);
if (packetLength <= 0)
{
continue;
}
OscPacket oscPacket = OscPacket.Read(packetBytes, packetLength);
if (Statistics != null && oscPacket.Error != OscPacketError.None)
{
Statistics.ReceiveErrors.Increment(1);
}
PacketRecived?.Invoke(oscPacket);
}while (processed < bytesToRead);
}
public void Send(OscPacket packet)
{
if (Statistics != null)
{
packet.IncrementSendStatistics(Statistics);
}
writer.Write(packet);
file.Flush();
}
public UnknownAddressEventArgs(object sender, string address, OscPacket packet)
{
Retry = false;
Sender = sender;
Address = address;
Packet = packet;
}
private void Receive_Callback(IAsyncResult ar)
{
try
{
// create an empty origin
EndPoint origin = UseIPv6 ? Helper.EmptyEndPointIPv6 : Helper.EmptyEndPoint;
int count = Socket.EndReceiveFrom(ar, ref origin);
Statistics?.BytesReceived.Increment(count);
OscPacket message = OscPacket.Read(buffer, count, (IPEndPoint)origin);
if (Statistics != null && message.Error != OscPacketError.None)
{
Statistics.ReceiveErrors.Increment(1);
}
if (receiveQueue.Count < messageBufferSize)
{
receiveQueue.Enqueue(message);
messageReceived.Set();
}
//lock (syncLock)
//{
// if (this.count < receiveQueue.Length)
// {
// receiveQueue[writeIndex] = message;
// writeIndex = NextWriteIndex;
// this.count++;
// // if this was the first message then signal
// if (this.count == 1)
// {
// messageReceived.Set();
// }
// }
//}
}
catch
{
}
if (State == OscSocketState.Connected)
{
// create an empty origin
EndPoint origin = UseIPv6 ? Helper.EmptyEndPointIPv6 : Helper.EmptyEndPoint;
Socket.BeginReceiveFrom(buffer, 0, buffer.Length, SocketFlags, ref origin, Receive_Callback, null);
}
}
public static bool TryParse(string str, IFormatProvider provider, out OscPacket packet)
{
try
{
packet = Parse(str, provider);
return(true);
}
catch
{
packet = default(OscPacket);
return(false);
}
}
private bool OnUnknownAddress(string address, OscPacket packet)
{
if (UnknownAddress != null)
{
UnknownAddressEventArgs arg = new UnknownAddressEventArgs(this, address, packet);
UnknownAddress(this, arg);
return(arg.Retry);
}
else
{
return(false);
}
}
/// <summary>
/// Invoke a osc packet
/// </summary>
/// <param name="packet">the packet</param>
/// <returns>true if any thing was invoked</returns>
public bool Invoke(OscPacket packet)
{
Statistics?.PacketsReceived.Increment(1);
switch (packet)
{
case OscMessage _:
return(Invoke((OscMessage)packet));
case OscBundle _:
return(Invoke((OscBundle)packet));
}
throw new Exception($"Unknown osc packet type '{packet}'");
}
public OscPacket Read()
{
long position = reader.BaseStream.Position;
OscPacket packet = reader.Read();
long newPosition = reader.BaseStream.Position;
Statistics?.BytesReceived.Increment((int)(newPosition - position));
if (Statistics != null && packet.Error != OscPacketError.None)
{
Statistics.ReceiveErrors.Increment(1);
}
PacketRecived?.Invoke(packet);
return(packet);
}
public void Send(OscPacket packet)
{
if (serialPort == null)
{
throw new Exception("Serial port is not connected");
}
byte[] packetBytes = packet.ToByteArray();
byte[] slippedBytes = SlipPacketWriter.Write(packetBytes, 0, packetBytes.Length);
if (Statistics != null)
{
packet.IncrementSendStatistics(Statistics);
Statistics.BytesSent.Increment(packetBytes.Length);
}
serialPort.Write(slippedBytes, 0, slippedBytes.Length);
}
/// <summary>
/// Receive a osc message, this method is blocking and will only return once a message is recived
/// </summary>
/// <returns>an osc message</returns>
public OscPacket Receive()
{
try
{
if (State == OscSocketState.Connected)
{
// if we are not receiving then start
if (isReceiving == false && State == OscSocketState.Connected)
{
BeginReceiving();
}
OscPacket message = null;
while (State == OscSocketState.Connected && receiveQueue.TryDequeue(out message) == false)
{
// wait for a new message
messageReceived.WaitOne();
//messageReceived.Reset();
}
if (message != null)
{
return(message);
}
}
}
catch (Exception ex)
{
throw new OscSocketException(this, "An unexpected error occured while waiting for a message", ex);
}
if (State == OscSocketState.Connected)
{
throw new OscSocketException(this, "An unexpected error occured while waiting for a message");
}
throw new OscSocketStateException(this, OscSocketState.Closed, "The receiver socket is not connected");
}
/// <summary>
/// Try to receive a osc message, this method is non-blocking and will return imediatly with a message or null
/// </summary>
/// <param name="message">an osc message if one is ready else null if there are none</param>
/// <returns>true if a message was ready</returns>
public bool TryReceive(out OscPacket message)
{
message = null;
if (State != OscSocketState.Connected)
{
return(false);
}
if (receiveQueue.TryDequeue(out message) == false)
{
// wait for a new message
//messageReceived.WaitOne();
//messageReceived.Reset();
}
// if we are not receiving then start
if (isReceiving == false && State == OscSocketState.Connected)
{
BeginReceiving();
}
return(message != null);
}
/// <summary>
/// Read a single packet from the stream at the current position
/// </summary>
/// <returns>An osc packet</returns>
public OscPacket Read()
{
switch (Format)
{
case OscPacketFormat.Binary:
int length = Helper.ReadInt32(binaryReader);
byte[] bytes = new byte[length];
binaryReader.Read(bytes, 0, length);
return(OscPacket.Read(bytes, length));
case OscPacketFormat.Slip:
byte[] packetBytes = new byte[slipReader.BufferSize];
int packetLength = 0;
do
{
if (slipByteCount - slipByteIndex == 0)
{
slipByteIndex = 0;
slipByteCount = binaryReader.Read(slipByteCache, 0, slipByteCache.Length);
}
slipByteIndex += slipReader.ProcessBytes(slipByteCache, slipByteIndex, slipByteCount - slipByteIndex, ref packetBytes, out packetLength);
}while (packetLength <= 0 && EndOfStream == false);
return(packetLength > 0 ? OscPacket.Read(packetBytes, packetLength) : OscMessage.ParseError);
case OscPacketFormat.String:
string line = stringReader.ReadLine();
OscPacket packet;
if (OscPacket.TryParse(line, out packet) == false)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine(line);
while (EndOfStream == false)
{
sb.Append(stringReader.ReadLine());
if (OscPacket.TryParse(sb.ToString(), out packet) == true)
{
return(packet);
}
sb.AppendLine();
}
return(OscMessage.ParseError);
}
return(packet);
default:
throw new Exception($@"Invalid OSC stream format ""{Format}"".");
}
}
