void
IceInternal::OutgoingConnectionFactory::ConnectCallback::nextConnector()
{
Ice::ConnectionIPtr connection;
try
{
const CommunicatorObserverPtr& obsv = _factory->_instance->getObserver();
if(obsv)
{
_observer = obsv->getConnectionEstablishmentObserver(_iter->endpoint, _iter->connector->toString());
if(_observer)
{
_observer->attach();
}
}
assert(_iter != _connectors.end());
connection = _factory->createConnection(_iter->connector->connect(), *_iter);
connection->start(this);
}
catch(const Ice::LocalException& ex)
{
connectionStartFailed(connection, ex);
}
}
ConnectionIPtr
IceInternal::OutgoingConnectionFactory::create(const vector<EndpointIPtr>& endpts, bool hasMore,
Ice::EndpointSelectionType selType, bool& compress)
{
assert(!endpts.empty());
//
// Apply the overrides.
//
vector<EndpointIPtr> endpoints = applyOverrides(endpts);
//
// Try to find a connection to one of the given endpoints.
//
Ice::ConnectionIPtr connection = findConnection(endpoints, compress);
if(connection)
{
return connection;
}
IceUtil::UniquePtr<Ice::LocalException> exception;
//
// If we didn't find a connection with the endpoints, we create the connectors
// for the endpoints.
//
vector<ConnectorInfo> connectors;
for(vector<EndpointIPtr>::const_iterator p = endpoints.begin(); p != endpoints.end(); ++p)
{
//
// Create connectors for the endpoint.
//
try
{
vector<ConnectorPtr> cons = (*p)->connectors(selType);
assert(!cons.empty());
for(vector<ConnectorPtr>::const_iterator r = cons.begin(); r != cons.end(); ++r)
{
assert(*r);
connectors.push_back(ConnectorInfo(*r, *p));
}
}
catch(const Ice::LocalException& ex)
{
exception.reset(ex.ice_clone());
handleException(ex, hasMore || p != endpoints.end() - 1);
}
}
if(connectors.empty())
{
assert(exception.get());
exception->ice_throw();
}
//
// Try to get a connection to one of the connectors. A null result indicates that no
// connection was found and that we should try to establish the connection (and that
// the connectors were added to _pending to prevent other threads from establishing
// the connection).
//
connection = getConnection(connectors, 0, compress);
if(connection)
{
return connection;
}
//
// Try to establish the connection to the connectors.
//
DefaultsAndOverridesPtr defaultsAndOverrides = _instance->defaultsAndOverrides();
const CommunicatorObserverPtr& obsv = _instance->getObserver();
vector<ConnectorInfo>::const_iterator q;
for(q = connectors.begin(); q != connectors.end(); ++q)
{
ObserverPtr observer;
if(obsv)
{
observer = obsv->getConnectionEstablishmentObserver(q->endpoint, q->connector->toString());
if(observer)
{
observer->attach();
}
}
try
{
connection = createConnection(q->connector->connect(), *q);
connection->start(0);
if(observer)
{
observer->detach();
}
if(defaultsAndOverrides->overrideCompress)
{
compress = defaultsAndOverrides->overrideCompressValue;
}
else
{
compress = q->endpoint->compress();
}
connection->activate();
break;
}
catch(const Ice::CommunicatorDestroyedException& ex)
{
if(observer)
{
observer->failed(ex.ice_name());
observer->detach();
}
exception.reset(ex.ice_clone());
handleConnectionException(*exception.get(), hasMore || q != connectors.end() - 1);
connection = 0;
break; // No need to continue
}
catch(const Ice::LocalException& ex)
{
if(observer)
{
observer->failed(ex.ice_name());
observer->detach();
}
exception.reset(ex.ice_clone());
handleConnectionException(*exception.get(), hasMore || q != connectors.end() - 1);
connection = 0;
}
}
//
// Finish creating the connection (this removes the connectors from the _pending
// list and notifies any waiting threads).
//
if(connection)
{
finishGetConnection(connectors, *q, connection, 0);
}
else
{
finishGetConnection(connectors, *exception.get(), 0);
}
if(!connection)
{
assert(exception.get());
exception->ice_throw();
}
return connection;
}