// Note that the owner is unspecified in the constructor.
// It'll be supplied later on when the object is plugged in.
// The object is not living within an I/O thread. It has it's own
// thread outside of 0MQ infrastructure.
public Own(Ctx parent, int tid)
: base(parent, tid)
{
m_terminating = false;
m_sentSeqnum = new AtomicLong(0);
m_processedSeqnum = 0;
m_owner = null;
m_termAcks = 0;
m_options = new Options();
owned = new HashSet<Own>();
}
// Creates new endpoint ID and adds the endpoint to the map.
private void AddEndpoint(String addr, Own endpoint)
{
// Activate the session. Make it a child of this socket.
LaunchChild(endpoint);
m_endpoints[addr] = endpoint;
}
// The object is living within I/O thread.
public Own(IOThread ioThread, Options options)
: base(ioThread)
{
m_options = options;
m_terminating = false;
m_sentSeqnum = new AtomicLong(0);
m_processedSeqnum = 0;
m_owner = null;
m_termAcks = 0;
owned = new HashSet<Own>();
}
private void SetOwner(Own owner)
{
Debug.Assert(m_owner == null);
m_owner = owner;
}
// Terminate owned object
protected void TermChild(Own object_)
{
ProcessTermReq(object_);
}
protected override void ProcessTermReq(Own object_)
{
// When shutting down we can ignore termination requests from owned
// objects. The termination request was already sent to the object.
if (m_terminating)
return;
// If I/O object is well and alive let's ask it to terminate.
// If not found, we assume that termination request was already sent to
// the object so we can safely ignore the request.
if (!owned.Contains(object_))
return;
owned.Remove(object_);
RegisterTermAcks(1);
// Note that this object is the root of the (partial shutdown) thus, its
// value of linger is used, rather than the value stored by the children.
SendTerm(object_, m_options.Linger);
}
protected override void ProcessOwn(Own object_)
{
// If the object is already being shut down, new owned objects are
// immediately asked to terminate. Note that linger is set to zero.
if (m_terminating)
{
RegisterTermAcks(1);
SendTerm(object_, 0);
return;
}
// Store the reference to the owned object.
owned.Add(object_);
}
// Launch the supplied object and become its owner.
protected void LaunchChild(Own object_)
{
// Specify the owner of the object.
object_.SetOwner(this);
// Plug the object into the I/O thread.
SendPlug(object_);
// Take ownership of the object.
SendOwn(this, object_);
}
