///LA TODO Protection ?? What if several subscribers at the same time
/// Not needed since all calls go through the participant which is synched
public ISendDataHandler GetSendDataHandler(Topic t, Participant participant)
{
// In the case that we use the same port for several topics, we need to find the sender for the transport::address::port used
string key = t.GetTransport() + "::" + t.GetDomainAddress() + "::" + t.GetPort();
if (SendDataHandlers.ContainsKey(key))
{
return(SendDataHandlers[key]);
}
try
{
// Get the local interface, doing a translation from subnet if necessary
string localIF = Domain.DoSubnetTranslation(participant.getDomain().GetLocalInterface());
ISendDataHandler sender = null;
if (t.GetTransport().Equals(Topic.TRANSPORT_MC))
{
sender = new McSendDataHandler(t, localIF);
}
else if (t.GetTransport().Equals(Topic.TRANSPORT_TCP))
{
sender = new TcpSendDataHandler(t, localIF);
}
if (sender != null)
{
SendDataHandlers.Add(key, sender);
return(sender);
}
// We don't want to add the udp handler to the handler list, so handle this last
if (t.GetTransport().Equals(Topic.TRANSPORT_UDP))
{
if (udpSendDataHandler == null)
{
// We have only one sender for all topics, so use the domain value for buffer size
udpSendDataHandler = new McUdpSendDataHandler(
participant.getDomain().GetOutSocketBufferSize(),
localIF);
// Setup a listener on the participant info data published by participants on our domain.
// We use the information for topics with UDP as transport, to know the destination for UDP sends
// ie. we extract ip and port from the information and add it to our McUdpSendDataHandler
partInfoListener = new ParticipantInfoDataListener(participant, udpSendDataHandler);
partInfoSub = new Subscriber(participant.CreateParticipantInfoTopic());
partInfoSub.newDataDefault += new NewDataDefaultEventHandler(partInfoListener.SubscriberNewData);
partInfoSub.Start();
}
return(udpSendDataHandler);
}
throw new CommException("No such Transport " + t.GetTransport());
}
catch (System.IO.IOException ex)
{
throw new CommException("Error creating SendDataHandler. IOException -->" + ex.Message);
}
}
///LA TODO Protection ?? What if several subscribers at the same time
/// Not needed since all calls go through the participant which is synched
public ISendDataHandler GetSendDataHandler(Topic t, Participant participant)
{
// In the case that we use the same port for several topics, we need to find the sender for the transport::address::port used
string key = t.GetTransport() + "::" + t.GetDomainAddress() + "::" + t.GetPort();
if (SendDataHandlers.ContainsKey(key))
{
return SendDataHandlers[key];
}
try
{
// Get the local interface, doing a translation from subnet if necessary
string localIF = Domain.DoSubnetTranslation(participant.getDomain().GetLocalInterface());
ISendDataHandler sender = null;
if (t.GetTransport().Equals(Topic.TRANSPORT_MC))
{
sender = new McSendDataHandler(t, localIF);
}
else if (t.GetTransport().Equals(Topic.TRANSPORT_TCP))
{
sender = new TcpSendDataHandler(t, localIF);
}
if (sender != null)
{
SendDataHandlers.Add(key, sender);
return sender;
}
// We don't want to add the udp handler to the handler list, so handle this last
if (t.GetTransport().Equals(Topic.TRANSPORT_UDP))
{
if (udpSendDataHandler == null)
{
// We have only one sender for all topics, so use the domain value for buffer size
udpSendDataHandler = new McUdpSendDataHandler(
participant.getDomain().GetOutSocketBufferSize(),
localIF);
// Setup a listener on the participant info data published by participants on our domain.
// We use the information for topics with UDP as transport, to know the destination for UDP sends
// ie. we extract ip and port from the information and add it to our McUdpSendDataHandler
partInfoListener = new ParticipantInfoDataListener(participant, udpSendDataHandler);
partInfoSub = new Subscriber(participant.CreateParticipantInfoTopic());
partInfoSub.newDataDefault += new NewDataDefaultEventHandler(partInfoListener.SubscriberNewData);
partInfoSub.Start();
}
return udpSendDataHandler;
}
throw new CommException("No such Transport " + t.GetTransport());
}
catch (System.IO.IOException ex)
{
throw new CommException("Error creating SendDataHandler. IOException -->" + ex.Message);
}
}
///LA TODO Protection ?? What if several subscribers at the same time
/// Not needed since all calls go through the participant which is synched
public ISendDataHandler GetSendDataHandler(Topic t, Participant participant)
{
// Get the local interface, doing a translation from subnet if necessary
string localIF = InetAddress.DoSubnetTranslation(t.GetLocalInterface());
string key = MakeKey(t, localIF);
if (SendDataHandlers.ContainsKey(key))
{
ISendDataHandler sender = SendDataHandlers[key];
if (t.GetTransport().Equals(Topic.TRANSPORT_UDP))
{
PostSetup(t, participant, (McUdpSendDataHandler)sender);
}
return(sender);
}
try
{
ISendDataHandler sender = null;
if (t.GetTransport().Equals(Topic.TRANSPORT_MC))
{
sender = new McSendDataHandler(t, localIF, t.GetTimeToLive());
}
else if (t.GetTransport().Equals(Topic.TRANSPORT_TCP))
{
sender = new TcpSendDataHandler(t, localIF);
}
else if (t.GetTransport().Equals(Topic.TRANSPORT_UDP))
{
// We have only one sender for all topics on an interface, so use the domain value for buffer size
sender = new McUdpSendDataHandler(participant.getDomain().GetOutSocketBufferSize(), localIF);
PostSetup(t, participant, (McUdpSendDataHandler)sender);
}
if (sender != null)
{
SendDataHandlers.Add(key, sender);
return(sender);
}
throw new CommException("No such Transport " + t.GetTransport());
}
catch (System.IO.IOException ex)
{
throw new CommException("Error creating SendDataHandler. IOException -->" + ex.Message);
}
}
private void PostSetup(Topic t, Participant participant, McUdpSendDataHandler sdh)
{
// If topic specifies a valid node address, add that as a static destination address for topic
if (Ops.InetAddress.IsValidNodeAddress(t.GetDomainAddress()))
{
sdh.AddSink(t.GetName(), t.GetDomainAddress(), t.GetPort(), true);
}
else
{
if (partInfoListener == null)
{
// Setup a listener on the participant info data published by participants on our domain.
// We use the information for topics with UDP as transport, to know the destination for UDP sends
// ie. we extract ip and port from the information and add it to our McUdpSendDataHandler
partInfoListener = new ParticipantInfoDataListener(participant, sdh);
partInfoSub = new Subscriber(participant.CreateParticipantInfoTopic());
partInfoSub.newDataDefault += new NewDataDefaultEventHandler(partInfoListener.SubscriberNewData);
partInfoSub.Start();
}
}
}
public ParticipantInfoDataListener(Participant part, McUdpSendDataHandler sendDataHandler)
{
this.participant = part;
this.udpSendDataHandler = sendDataHandler;
}
public ParticipantInfoDataListener(Participant part, McUdpSendDataHandler sendDataHandler)
{
this.participant = part;
this.udpSendDataHandler = sendDataHandler;
}