public List <Connector> resolve(string host, int port, Ice.EndpointSelectionType selType, EndpointI endpoint)
{
//
// Try to get the addresses without DNS lookup. If this doesn't
// work, we retry with DNS lookup (and observer).
//
NetworkProxy networkProxy = _instance.networkProxy();
if (networkProxy == null)
{
List <EndPoint> addrs = Network.getAddresses(host, port, _protocol, selType, _preferIPv6, false);
if (addrs.Count > 0)
{
return(endpoint.connectors(addrs, null));
}
}
Ice.Instrumentation.CommunicatorObserver obsv = _instance.getObserver();
Ice.Instrumentation.Observer observer = null;
if (obsv != null)
{
observer = obsv.getEndpointLookupObserver(endpoint);
if (observer != null)
{
observer.attach();
}
}
List <Connector> connectors = null;
try
{
if (networkProxy != null)
{
networkProxy = networkProxy.resolveHost();
}
connectors = endpoint.connectors(Network.getAddresses(host, port, _protocol, selType, _preferIPv6,
true),
networkProxy);
}
catch (Ice.LocalException ex)
{
if (observer != null)
{
observer.failed(ex.ice_name());
}
throw ex;
}
finally
{
if (observer != null)
{
observer.detach();
}
}
return(connectors);
}
add(Ice.ConnectionI connection, Ice.Instrumentation.Observer observer)
{
lock (this)
{
_connections.Add(connection);
if (observer != null)
{
observer.detach();
}
}
}
public Ice.Instrumentation.Observer getConnectionEstablishmentObserver(Ice.Endpoint endpt, string connector)
{
if (_connects.isEnabled())
{
try
{
Ice.Instrumentation.Observer del = null;
if (_delegate != null)
{
del = _delegate.getConnectionEstablishmentObserver(endpt, connector);
}
return(_connects.getObserver(new EndpointHelper(endpt, connector), del));
}
catch (Exception ex)
{
_metrics.getLogger().error("unexpected exception trying to obtain observer:\n" + ex);
}
}
return(null);
}
public Ice.Instrumentation.Observer getEndpointLookupObserver(Ice.Endpoint endpt)
{
if (_endpointLookups.isEnabled())
{
try
{
Ice.Instrumentation.Observer del = null;
if (_delegate != null)
{
del = _delegate.getEndpointLookupObserver(endpt);
}
return(_endpointLookups.getObserver(new EndpointHelper(endpt), del));
}
catch (System.Exception ex)
{
_metrics.getLogger().error("unexpected exception trying to obtain observer:\n" + ex);
}
}
return(null);
}
