/// <summary>
/// A piece of a fragmented interaction.
/// </summary>
/// <param name="msg">a fragmented interaction message
/// </param>
/// <exception cref="InteractionClassNotRecognized"> if the interaction class was not recognized
/// </exception>
/// <exception cref="InteractionParameterNotRecognized"> if a parameter of the interaction was not
/// recognized
/// </exception>
/// <exception cref="InteractionClassNotSubscribed"> if the federate had not subscribed to the
/// interaction class
/// </exception>
/// <exception cref="FederateInternalError"> if an error occurs in the federate
/// </exception>
public void OnReceiveHLAinteractionFragment(HLAinteractionFragmentMessage msg)
{
if (log.IsDebugEnabled)
{
log.Debug("Received Message = " + msg.ToString());
}
if (incomingInteractionBuffer == null || incomingInteractionNumber != msg.InteractionNumber)
{
incomingInteractionBuffer = new byte[msg.InteractionSize];
incomingInteractionNumber = msg.InteractionNumber;
incomingInteractionBufferFilled = 0;
}
Array.Copy(msg.FragmentContents, 0, incomingInteractionBuffer, msg.FragmentOffset, msg.FragmentContents.Length);
incomingInteractionBufferFilled += msg.FragmentContents.Length;
if (incomingInteractionBufferFilled == msg.InteractionSize)
{
System.IO.MemoryStream buffer = new System.IO.MemoryStream(incomingInteractionBuffer);
object tmp = BaseInteractionMessage.NullBaseInteractionMessage;
object newMessage = serializer.Deserialize(buffer, ref tmp);
if (newMessage is BaseInteractionMessage)
{
ReceiveInteraction(newMessage as BaseInteractionMessage);
}
}
}
///<summary> Reads this HLAinteractionFragmentMessage from the specified stream.</summary>
///<param name="reader"> the input stream to read from</param>
///<returns> the object</returns>
///<exception cref="IOException"> if an error occurs</exception>
public override object Deserialize(HlaEncodingReader reader, ref object msg2)
{
HLAinteractionFragmentMessage msg = new HLAinteractionFragmentMessage();
msg.CopyTo((BaseInteractionMessage)msg2);
try
{
msg.InteractionNumber = reader.ReadHLAinteger32BE();
msg.InteractionSize = reader.ReadHLAinteger32BE();
msg.FragmentOffset = reader.ReadHLAinteger32BE();
msg.FragmentContents = reader.ReadHLAopaqueData();
}
catch (IOException ioe)
{
throw new RTIinternalError(ioe.ToString());
}
return(msg);
}
public void OnReceiveHLAinteractionFragment(HLAinteractionFragmentMessage msg)
{
message = msg;
if (log.IsDebugEnabled) log.Debug("Received LastMessage = " + msg.ToString());
}
private void SendBestEffortInteraction(IMessageChannel messageChannel, byte[] buffer)
{
/*
* if (log.IsInfoEnabled)
* log.Info("On " + System.Reflection.MethodBase.GetCurrentMethod());
*/
try
{
if (buffer.Length <= messageChannel.MaximumPacketSize)
{
lock (messageChannel.SyncObject)
{
if (messageChannel is DGramMessageChannel)
{
(messageChannel as DGramMessageChannel).SendPacket(buffer);
}
else if (messageChannel is MemoryMessageChannel)
{
(messageChannel as MemoryMessageChannel).SendPacket(buffer);
}
}
}
else
{
//We substract 45 because we need some space for the headers
//HlaEncodingSerializer needs 4 for MAGICNUMBER + 4 for version = 8 bytes
//BaseInteractionMessage needs 8 for FederationExecutionHandle + 4 UserSuppliedTag + 8 for InteractionClassHandle = 20 bytes
//HLAinteractionFragment needs 4 for InteractionNumber + 4 for InteractionSize +
// 4 for FragmentOffset + 4 for length of fragment = 16 bytes
int packetSize = messageChannel.MaximumPacketSize - 45;
byte[] fragment = new byte[packetSize];
for (int i = 0; i < buffer.Length; i += packetSize)
{
if ((buffer.Length - i) >= packetSize)
{
Array.Copy(buffer, i, fragment, 0, packetSize);
}
else
{
fragment = new byte[buffer.Length - i];
Array.Copy(buffer, i, fragment, 0, fragment.Length);
}
HLAinteractionFragmentMessage fragmentMessage = new HLAinteractionFragmentMessage();
//fragmentMessage.FederationExecutionHandle = msg.FederationExecutionHandle;
//fragmentMessage.UserSuppliedTag = msg.UserSuppliedTag;
fragmentMessage.InteractionClassHandle = serializerManager.GetHandle(typeof(HLAinteractionFragmentMessage));
fragmentMessage.InteractionNumber = outgoingInteractionCounter;
fragmentMessage.InteractionSize = buffer.Length;
fragmentMessage.FragmentOffset = i;
fragmentMessage.FragmentContents = fragment;
SendBestEffortInteraction(messageChannel, fragmentMessage);
}
outgoingInteractionCounter++;
}
}
catch (System.Exception e)
{
throw new RTIinternalError(e.Message);
}
}
private void SendBestEffortInteraction(IMessageChannel messageChannel, byte[] buffer)
{
/*
if (log.IsInfoEnabled)
log.Info("On " + System.Reflection.MethodBase.GetCurrentMethod());
*/
try
{
if (buffer.Length <= messageChannel.MaximumPacketSize)
{
lock (messageChannel.SyncObject)
{
if (messageChannel is DGramMessageChannel)
(messageChannel as DGramMessageChannel).SendPacket(buffer);
else if (messageChannel is MemoryMessageChannel)
(messageChannel as MemoryMessageChannel).SendPacket(buffer);
}
}
else
{
//We substract 45 because we need some space for the headers
//HlaEncodingSerializer needs 4 for MAGICNUMBER + 4 for version = 8 bytes
//BaseInteractionMessage needs 8 for FederationExecutionHandle + 4 UserSuppliedTag + 8 for InteractionClassHandle = 20 bytes
//HLAinteractionFragment needs 4 for InteractionNumber + 4 for InteractionSize +
// 4 for FragmentOffset + 4 for length of fragment = 16 bytes
int packetSize = messageChannel.MaximumPacketSize - 45;
byte[] fragment = new byte[packetSize];
for (int i = 0; i < buffer.Length; i += packetSize)
{
if ((buffer.Length - i) >= packetSize)
{
Array.Copy(buffer, i, fragment, 0, packetSize);
}
else
{
fragment = new byte[buffer.Length - i];
Array.Copy(buffer, i, fragment, 0, fragment.Length);
}
HLAinteractionFragmentMessage fragmentMessage = new HLAinteractionFragmentMessage();
//fragmentMessage.FederationExecutionHandle = msg.FederationExecutionHandle;
//fragmentMessage.UserSuppliedTag = msg.UserSuppliedTag;
fragmentMessage.InteractionClassHandle = serializerManager.GetHandle(typeof(HLAinteractionFragmentMessage));
fragmentMessage.InteractionNumber = outgoingInteractionCounter;
fragmentMessage.InteractionSize = buffer.Length;
fragmentMessage.FragmentOffset = i;
fragmentMessage.FragmentContents = fragment;
SendBestEffortInteraction(messageChannel, fragmentMessage);
}
outgoingInteractionCounter++;
}
}
catch (System.Exception e)
{
throw new RTIinternalError(e.Message);
}
}
/// <summary>
/// A piece of a fragmented interaction.
/// </summary>
/// <param name="msg">a fragmented interaction message
/// </param>
/// <exception cref="InteractionClassNotRecognized"> if the interaction class was not recognized
/// </exception>
/// <exception cref="InteractionParameterNotRecognized"> if a parameter of the interaction was not
/// recognized
/// </exception>
/// <exception cref="InteractionClassNotSubscribed"> if the federate had not subscribed to the
/// interaction class
/// </exception>
/// <exception cref="FederateInternalError"> if an error occurs in the federate
/// </exception>
public void OnReceiveHLAinteractionFragment(HLAinteractionFragmentMessage msg)
{
if (log.IsDebugEnabled)
log.Debug("Received Message = " + msg.ToString());
if (incomingInteractionBuffer == null || incomingInteractionNumber != msg.InteractionNumber)
{
incomingInteractionBuffer = new byte[msg.InteractionSize];
incomingInteractionNumber = msg.InteractionNumber;
incomingInteractionBufferFilled = 0;
}
Array.Copy(msg.FragmentContents, 0, incomingInteractionBuffer, msg.FragmentOffset, msg.FragmentContents.Length);
incomingInteractionBufferFilled += msg.FragmentContents.Length;
if (incomingInteractionBufferFilled == msg.InteractionSize)
{
System.IO.MemoryStream buffer = new System.IO.MemoryStream(incomingInteractionBuffer);
object tmp = BaseInteractionMessage.NullBaseInteractionMessage;
object newMessage = serializer.Deserialize(buffer, ref tmp);
if (newMessage is BaseInteractionMessage)
{
ReceiveInteraction(newMessage as BaseInteractionMessage);
}
}
}
///<summary> Reads this HLAinteractionFragmentMessage from the specified stream.</summary>
///<param name="reader"> the input stream to read from</param>
///<returns> the object</returns>
///<exception cref="IOException"> if an error occurs</exception>
public override object Deserialize(HlaEncodingReader reader, ref object msg2)
{
HLAinteractionFragmentMessage msg = new HLAinteractionFragmentMessage();
msg.CopyTo((BaseInteractionMessage)msg2);
try
{
msg.InteractionNumber = reader.ReadHLAinteger32BE();
msg.InteractionSize = reader.ReadHLAinteger32BE();
msg.FragmentOffset = reader.ReadHLAinteger32BE();
msg.FragmentContents = reader.ReadHLAopaqueData();
}
catch (IOException ioe)
{
throw new RTIinternalError(ioe.ToString());
}
return msg;
}
public override void OnReceiveHLAinteractionFragment(HLAinteractionFragmentMessage msg)
{
if (log.IsDebugEnabled)
log.Debug("Received HLAinteractionFragment = " + msg.ToString());
}