/// <summary>
/// Sends the specified packet using UDP broadcast to all TCNet devices.
/// </summary>
/// <param name="packet">The packet to send on the network.</param>
protected void Broadcast(Socket socket, TCNetPacket packet)
{
MemoryStream data = new MemoryStream();
TCNetBinaryWriter writer = new TCNetBinaryWriter(data);
IPEndPoint localEndpoint = (IPEndPoint)socket.LocalEndPoint;
TCNetHeader header = packet as TCNetHeader;
if (header != null)
{
header.NodeID = NodeId;
header.NodeType = Role;
header.NodeName = NodeName;
header.SequenceNumber = NextSequenceNumber();
header.Timestamp = DateTime.UtcNow.TimeOfDay;
}
packet.WriteData(writer);
try
{
socket.SendTo(data.ToArray(), new IPEndPoint(BroadcastAddress, localEndpoint.Port));
}
catch (SocketException ex)
{
var broadcastError = new TCNetSocketException(this, "TCNet socket error while broadcasting. See inner exception for more details.", ex);
broadcastError.Data["LocalPort"] = localEndpoint.Port;
broadcastError.Data["Port"] = localEndpoint.Port;
OnUnhandledException(broadcastError);
}
}
/// <summary>
/// Sends the specified packet using unicast to a specific DJ Tap device.
/// </summary>
/// <param name="packet">The packet to send on the network.</param>
/// <param name="address">The address of the device to send the packet to.</param>
protected void Unicast(TCNetPacket packet, TCNetEndPoint address)
{
MemoryStream data = new MemoryStream();
TCNetBinaryWriter writer = new TCNetBinaryWriter(data);
IPEndPoint localEndpoint = (IPEndPoint)nodeSocket.LocalEndPoint;
TCNetHeader header = packet as TCNetHeader;
if (header != null)
{
header.NodeID = NodeId;
header.NodeType = Role;
header.NodeName = NodeName;
header.SequenceNumber = NextSequenceNumber();
header.Timestamp = DateTime.UtcNow.TimeOfDay;
TraceEventType traceLevel = TraceEventType.Information;
DataTypes dataType = DataTypes.None;
TCNetDataHeader dataHeader = header as TCNetDataHeader;
if (dataHeader != null)
{
dataType = dataHeader.DataType;
}
tcNetTrace.TraceEvent(traceLevel, (int)header.MessageType, $"{header.NodeName}: {header.GetType().Name} {(dataType != DataTypes.None ? dataType.ToString() : string.Empty)}");
}
packet.WriteData(writer);
try
{
unicastTXSocket.SendTo(data.ToArray(), new IPEndPoint(address.Address, address.Port));
}
catch (SocketException ex)
{
OnUnhandledException(new TCNetSocketException(this, "Socket error unicast TCNet integration.", ex));
}
}