/// <summary>Drop Packet and clear owner reference.
/// Note: Java will not reclaim the space until after all references
/// to this packet have been cleared - ideally, one should not use this
/// knowledge, but bright people probably will!
/// </summary>
public void Drop(Packet p)
{
CheckOwner(p);
Interlocked.Increment(ref Network.drops);
p.ClearOwner();
p.Dispose();
}
/// <summary>The send function. See OutputPort.send.
/// </summary>
//UPGRADE_NOTE: Synchronized keyword was removed from method 'send'. Lock expression was added. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1027"'
internal bool Send(Packet packet, OutputPort op)
{
lock (this)
{
if (packet == null)
{
throw new System.ArgumentException();
}
_sender = op._sender;
if (IsClosed())
{
return(false);
}
//_sender._mother.Trace(Name + ": Sending: " + packet);
if (IsEmpty())
{
System.Threading.Monitor.PulseAll(this);
}
while (IsFull())
{
if (_dropOldest)
{
Packet p = _buffer.Take();
Interlocked.Increment(ref Network.dropOlds);
_sender._mother.Trace("{0}: DropOldest", _sender.Name);
}
else
{
_sender.Status = Component.States.SuspSend;
_sender._mother.Trace("{0}: Send/susp", _sender.Name);
try
{
System.Threading.Monitor.Wait(this);
}
catch (System.Threading.ThreadInterruptedException e)
{
//UPGRADE_NOTE: Exception 'java.lang.ThreadDeath' was converted to ' ' which has different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1100"'
// throw new System.ApplicationException();
IndicateOneSenderClosed();
FlowError.Complain(_sender._name + ": interrupted");
// unreachable code
return(false);
}
// if (Component._network._deadlock)
//{
// _sender._thread.Interrupt();
// _sender._mother.Trace(_sender._name + ": Send interrupted because of deadlock");
// // unreachable code
// return false;
// }
_sender = op._sender;
_sender.Status = Component.States.Active;
_sender._mother.Trace("{0}: Send/resume", _sender.Name);
}
}
if (IsClosed())
{
_sender._mother.Trace("{0}: Send/close", _sender.Name);
//Interlocked.Increment(ref Network.sends);
return(false);
}
//lock ((_receiver._inputPorts as ICollection).SyncRoot)
try
{
Monitor.Enter(_receiver._lockObject);
packet.ClearOwner();
_buffer.Put(packet);
if (_receiver.Status == Component.States.Dormant ||
_receiver.Status == Component.States.NotStarted)
{
_receiver.Activate();
}
else
{
System.Threading.Monitor.PulseAll(this);
}
_sender._network._active = true;
_sender = null;
}
catch (ThreadInterruptedException e)
{
return(false);
}
finally
{
Monitor.Exit(_receiver._lockObject);
}
Interlocked.Increment(ref Network.sends);
return(true);
}
}
/// <summary>The send function. See OutputPort.send.
/// </summary>
//UPGRADE_NOTE: Synchronized keyword was removed from method 'send'. Lock expression was added. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1027"'
internal bool Send(Packet packet, OutputPort op)
{
lock (this)
{
if (packet == null)
throw new System.ArgumentException();
_sender = op._sender;
if (IsClosed())
{
return false;
}
//_sender._mother.Trace(Name + ": Sending: " + packet);
if (IsEmpty())
System.Threading.Monitor.PulseAll(this);
while (IsFull())
{
if (_dropOldest)
{
Packet p = _buffer.Take();
Interlocked.Increment(ref Network.dropOlds);
_sender._mother.Trace("{0}: DropOldest", _sender.Name);
}
else
{
_sender.Status = Component.States.SuspSend;
_sender._mother.Trace("{0}: Send/susp", _sender.Name);
try
{
System.Threading.Monitor.Wait(this);
}
catch (System.Threading.ThreadInterruptedException e)
{
//UPGRADE_NOTE: Exception 'java.lang.ThreadDeath' was converted to ' ' which has different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1100"'
// throw new System.ApplicationException();
IndicateOneSenderClosed();
FlowError.Complain(_sender._name + ": interrupted");
// unreachable code
return false;
}
// if (Component._network._deadlock)
//{
// _sender._thread.Interrupt();
// _sender._mother.Trace(_sender._name + ": Send interrupted because of deadlock");
// // unreachable code
// return false;
// }
_sender = op._sender;
_sender.Status = Component.States.Active;
_sender._mother.Trace("{0}: Send/resume", _sender.Name);
}
}
if (IsClosed())
{
_sender._mother.Trace("{0}: Send/close", _sender.Name);
//Interlocked.Increment(ref Network.sends);
return false;
}
//lock ((_receiver._inputPorts as ICollection).SyncRoot)
try
{
Monitor.Enter(_receiver._lockObject);
packet.ClearOwner();
_buffer.Put(packet);
if (_receiver.Status == Component.States.Dormant ||
_receiver.Status == Component.States.NotStarted)
_receiver.Activate();
else
System.Threading.Monitor.PulseAll(this);
_sender._network._active = true;
_sender = null;
}
catch (ThreadInterruptedException e)
{
return false;
}
finally
{
Monitor.Exit(_receiver._lockObject);
}
Interlocked.Increment(ref Network.sends);
return true;
}
}
