/// <summary>
/// Helper static method, allowing to duplicate a message instance.
/// It will duplicate the message, ONLY if the message is marked as "TransportByReference == false"
/// or mandatoryDuplication is true.
/// </summary>
public static Message DuplicateMessage(Message message, bool mandatoryDuplication)
{
//if (mandatoryDuplication == false && message.TransportByReference)
//{
// return message;
//}
//if (message is ICloneable)
//{
// return (Message)((ICloneable)message).Clone();
//}
MessageContainer container;
try
{
container = new MessageContainer();
container.SerializeMessage(message);
}
catch (Exception exception)
{
TracerHelper.TraceError("Exception in message duplication [" + exception.Message + "].");
throw;
}
return container.CreateMessageInstance();
}
/// <summary>
/// Constructor.
/// </summary>
public ConversationPointToPoint(ExecutionManager executionManager, Message message, ArbiterClientId senderID, ArbiterClientId receiverID, TimeSpan timeOut)
: base(executionManager, senderID, timeOut)
{
_receiverID = receiverID;
ExecutionEntityWithReply entity = new ExecutionEntityWithReply(this, receiverID, timeOut,
MessageContainer.DuplicateMessage(message, false));
ExecutionManager.AddExecutionEntity(entity);
}
/// <summary>
/// Change default TransportClient behaviour.
/// Handle a requestMessage received from local Arbiter and send down the pipe.
/// </summary>
/// <param name="requestMessage"></param>
protected override void OnMessageReceived(TransportMessage message)
{
TracerHelper.TraceEntry();
if (message.TransportInfo == null)
{
SystemMonitor.Error("Transport message stack can not be null.");
}
if (message.TransportInfo == null ||
message.TransportInfo.TransportInfoCount == 0 ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID == null ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID.HasValue == false ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID.Value.Equals(this.SubscriptionClientID) == false)
{// This requestMessage was sent to me, not to one of the clients on the server.
SystemMonitor.Error("Error. Send messages to server-client instances.");
return;
}
// We shall now establish the tag defining which will be the client connection receiving the requestMessage (or all).
// by default send to all.
string tagID = "*";
if (message.IsRequest)
{// Request.
if (message.TransportInfo.ForwardTransportInfoCount != 0)
{
if (message.TransportInfo.CurrentForwardTransportInfoAddress.HasValue)
{// Has value - take it into account, if no value is present, just use the "*" pop,
// and use the rest of the AdditionalForwardTransportSessionStack.
tagID = message.TransportInfo.CurrentForwardTransportInfoAddress.Value.SessionTag;
}
// Pop in both cases - if it is null or it is value.
message.TransportInfo.PopForwardTransportInfo();
}
}
else
{// Responce.
// Clear the transporting information from the last node to here.
message.TransportInfo.PopTransportInfo();
// Now this is the additional marking in the case with the server - the marking of the PipeChannel.
SystemMonitor.CheckError(message.TransportInfo.TransportInfoCount > 0 &&
message.TransportInfo.CurrentTransportInfo.Value.SenderID.Value.Id.Name == "PipeChannelID");
// Responce requestMessage, read and pop out the channel ID entry .
tagID = message.TransportInfo.PopTransportInfo().Value.SenderID.Value.SessionTag;
}
MessageContainer container = new MessageContainer(message);
TracerHelper.Trace("[" + message.GetType().Name + "], tag [" + tagID + "] length [" + container.MessageStreamLength + "]");
GeneralHelper.FireAndForget(delegate() { _transportServer.SendMessageContainer(tagID, container); });
}
/// <summary>
/// Message received from the "Pipe".
/// </summary>
void _transport_MessageReceivedEvent(string operationContextSessionID, MessageContainer messageContainer)
{
TransportMessage message = (TransportMessage)messageContainer.CreateMessageInstance();
TracerHelper.Trace("[" + message.GetType().Name + "], length [" + messageContainer.MessageStreamLength + "]");
if (message.IsRequest)
{ // Request requestMessage.
{ // Mark the request requestMessage with additional fragment in the transportation stack.
ArbiterClientId senderID = new ArbiterClientId("PipeChannelID", null, null);
senderID.SessionTag = operationContextSessionID;
message.TransportInfo.AddTransportInfoUnit(new TransportInfoUnit(Guid.NewGuid(), senderID, this.SubscriptionClientID));
}
if (MandatoryRequestMessageReceiverID.HasValue)
{// There is a default receiver assigned for all messages from this integrator.
DoSendCustom(true, Guid.NewGuid(), null, 0, MandatoryRequestMessageReceiverID.Value, this.SubscriptionClientID, message, TimeSpan.Zero);
}
else
{// No explicit mandatory receiver.
if (message.TransportInfo.ForwardTransportInfoCount > 0)
{
// First pop the Session stack, than send the cleared requestMessage.
ArbiterClientId?receiverID = message.TransportInfo.PopForwardTransportInfo();
DoSendCustom(true, Guid.NewGuid(), null, 0, receiverID, this.SubscriptionClientID, message, TimeSpan.Zero);
}
else
{
DoSendCustom(true, Guid.NewGuid(), null, 0, null, this.SubscriptionClientID, message, TimeSpan.Zero);
}
}
}
else
{// Responce requestMessage - send back to whoever sent it to us before.
// And clear off the initial request information, we are responding now to.
Guid sessionID = message.TransportInfo.CurrentTransportInfo.Value.Id;
ArbiterClientId?receiverID = message.TransportInfo.CurrentTransportInfo.Value.SenderID;
message.TransportInfo.PopTransportInfo();
this.DoSendCustom(false, sessionID, null, 0,
receiverID, this.SubscriptionClientID, message, TimeSpan.Zero);
}
}
/// <summary>
/// Change default TransportClient behaviour.
/// Handle a requestMessage received from local Arbiter and send down the pipe.
/// </summary>
/// <param name="requestMessage"></param>
protected override void OnMessageReceived(TransportMessage message)
{
if (message.IsRequest == false)
{// Responce requestMessage.
// Clear off the transporting information from the last node to here.
message.TransportInfo.PopTransportInfo();
}
MessageContainer container = new MessageContainer(message);
TracerHelper.Trace("[" + message.GetType().Name + "], length [" + container.MessageStreamLength + "]");
if (_transportClient != null)
{
_transportClient.SendMessageContainer(container);
}
else
{
SystemMonitor.OperationError("Message received after Integration Client uninitialized [" + message.GetType().Name + "].", TracerItem.PriorityEnum.Medium);
}
}
/// <summary>
/// Entity execution has finished.
/// </summary>
public override void EntityExecutionFinished(ExecutionEntity entity)
{
ExecutionEntityWithReply entityWithReply = (ExecutionEntityWithReply)entity;
if (entityWithReply.ReplyMessage != null)
{// The other side replied.
ArbiterClientId messageReceiver = ReceiverID;
if (_receiverID.Equals(entity.ReceiverID))
{// Swap direction, receiver must now send.
messageReceiver = SenderID;
}
ExecutionEntityWithReply replyEntity = new ExecutionEntityWithReply(this, messageReceiver, entityWithReply.TimeOut,
MessageContainer.DuplicateMessage(entityWithReply.ReplyMessage, false));
ExecutionManager.AddExecutionEntity(replyEntity);
}
else
{// We received a nothing, conversation done, die.
this.Die();
}
}
/// <summary>
/// Handle a requestMessage received trough the transport pipe.
/// </summary>
/// <param name="messageContainer"></param>
void _transport_MessageReceivedEvent(MessageContainer messageContainer)
{
TransportMessage message = (TransportMessage)messageContainer.CreateMessageInstance();
TracerHelper.Trace("[" + message.GetType().Name + "], length [" + messageContainer.MessageStreamLength + "]");
if (message.IsRequest)
{// Request requestMessage.
if (MandatoryRequestMessageReceiverID.HasValue)
{// There is a default receiver assigned for all messages from this integrator.
DoSendCustom(true, Guid.NewGuid(), null, 0, MandatoryRequestMessageReceiverID.Value, this.SubscriptionClientID, message, TimeSpan.Zero);
}
else
{// No explicit mandatory receiver.
if (message.TransportInfo.ForwardTransportInfoCount > 0)
{
// First pop the Session stack, than send the cleared requestMessage.
ArbiterClientId? receiverID = message.TransportInfo.PopForwardTransportInfo();
DoSendCustom(true, Guid.NewGuid(), null, 0, receiverID, this.SubscriptionClientID, message, TimeSpan.Zero);
}
else
{
DoSendCustom(true, Guid.NewGuid(), null, 0, null, this.SubscriptionClientID, message, TimeSpan.Zero);
}
}
}
else
{// Responce requestMessage - send back to whoever sent it to us before.
// And clear off the initial request information, we are responding now to.
Guid sessionID = message.TransportInfo.CurrentTransportInfo.Value.Id;
ArbiterClientId? receiverID = message.TransportInfo.CurrentTransportInfo.Value.SenderID;
message.TransportInfo.PopTransportInfo();
this.DoSendCustom(false, sessionID, null, 0,
receiverID, this.SubscriptionClientID, message, TimeSpan.Zero);
}
}
/// <summary>
/// Change default TransportClient behaviour.
/// Handle a requestMessage received from local Arbiter and send down the pipe.
/// </summary>
/// <param name="requestMessage"></param>
protected override void OnMessageReceived(TransportMessage message)
{
if (message.IsRequest == false)
{// Responce requestMessage.
// Clear off the transporting information from the last node to here.
message.TransportInfo.PopTransportInfo();
}
MessageContainer container = new MessageContainer(message);
TracerHelper.Trace("[" + message.GetType().Name + "], length [" + container.MessageStreamLength + "]");
if (_transportClient != null)
{
_transportClient.SendMessageContainer(container);
}
else
{
SystemMonitor.OperationError("Message received after Integration Client uninitialized [" + message.GetType().Name + "].", TracerItem.PriorityEnum.Medium);
}
}
/// <summary>
/// Change default TransportClient behaviour.
/// Handle a requestMessage received from local Arbiter and send down the pipe.
/// </summary>
/// <param name="requestMessage"></param>
protected override void OnMessageReceived(TransportMessage message)
{
TracerHelper.TraceEntry();
if (message.TransportInfo == null)
{
SystemMonitor.Error("Transport message stack can not be null.");
}
if (message.TransportInfo == null ||
message.TransportInfo.TransportInfoCount == 0 ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID == null ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID.HasValue == false ||
message.TransportInfo.CurrentTransportInfo.Value.ReceiverID.Value.Equals(this.SubscriptionClientID) == false)
{// This requestMessage was sent to me, not to one of the clients on the server.
SystemMonitor.Error("Error. Send messages to server-client instances.");
return;
}
// We shall now establish the tag defining which will be the client connection receiving the requestMessage (or all).
// by default send to all.
string tagID = "*";
if (message.IsRequest)
{// Request.
if (message.TransportInfo.ForwardTransportInfoCount != 0)
{
if (message.TransportInfo.CurrentForwardTransportInfoAddress.HasValue)
{// Has value - take it into account, if no value is present, just use the "*" pop,
// and use the rest of the AdditionalForwardTransportSessionStack.
tagID = message.TransportInfo.CurrentForwardTransportInfoAddress.Value.SessionTag;
}
// Pop in both cases - if it is null or it is value.
message.TransportInfo.PopForwardTransportInfo();
}
}
else
{// Responce.
// Clear the transporting information from the last node to here.
message.TransportInfo.PopTransportInfo();
// Now this is the additional marking in the case with the server - the marking of the PipeChannel.
SystemMonitor.CheckError(message.TransportInfo.TransportInfoCount > 0 &&
message.TransportInfo.CurrentTransportInfo.Value.SenderID.Value.Id.Name == "PipeChannelID");
// Responce requestMessage, read and pop out the channel ID entry .
tagID = message.TransportInfo.PopTransportInfo().Value.SenderID.Value.SessionTag;
}
MessageContainer container = new MessageContainer(message);
TracerHelper.Trace("[" + message.GetType().Name + "], tag [" + tagID + "] length [" + container.MessageStreamLength + "]");
GeneralHelper.FireAndForget(delegate() { _transportServer.SendMessageContainer(tagID, container); });
}
///
/// </summary>
public ConversationMultiPoint(ExecutionManager executionManager, Message message, ArbiterClientId senderID, IEnumerable <ArbiterClientId> receivers, TimeSpan timeOut)
: base(executionManager, senderID, timeOut)
{
_receivers.AddRange(receivers);
foreach (ArbiterClientId receiverID in receivers)
{
ExecutionEntity entity = new ExecutionEntity(this, receiverID, TimeSpan.Zero, MessageContainer.DuplicateMessage(message, false));
_executingEntities.Add(entity);
ExecutionManager.AddExecutionEntity(entity);
}
}