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// **********************************************************************
//
// Copyright (c) 2001
// Mutable Realms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
package IceInternal;
public class OutgoingConnectionFactory
{
public synchronized Connection
create(Endpoint[] endpoints)
{
if(_instance == null)
{
throw new Ice.CommunicatorDestroyedException();
}
assert(endpoints.length > 0);
//
// Reap destroyed connections.
//
java.util.Iterator p = _connections.values().iterator();
while(p.hasNext())
{
Connection connection = (Connection)p.next();
if(connection.destroyed())
{
p.remove();
}
}
//
// Search for existing connections.
//
DefaultsAndOverrides defaultsAndOverrides = _instance.defaultsAndOverrides();
for(int i = 0; i < endpoints.length; i++)
{
Endpoint endpoint = endpoints[i];
if(defaultsAndOverrides.overrideTimeout)
{
endpoint = endpoint.timeout(defaultsAndOverrides.overrideTimeoutValue);
}
Connection connection = (Connection)_connections.get(endpoint);
if(connection != null)
{
return connection;
}
}
//
// No connections exist, try to create one
//
TraceLevels traceLevels = _instance.traceLevels();
Ice.Logger logger = _instance.logger();
Connection connection = null;
Ice.LocalException exception = null;
for(int i = 0; i < endpoints.length; i++)
{
Endpoint endpoint = endpoints[i];
if(defaultsAndOverrides.overrideTimeout)
{
endpoint = endpoint.timeout(defaultsAndOverrides.overrideTimeoutValue);
}
try
{
Transceiver transceiver = endpoint.clientTransceiver();
if(transceiver == null)
{
Connector connector = endpoint.connector();
assert(connector != null);
transceiver = connector.connect(endpoint.timeout());
assert(transceiver != null);
}
connection = new Connection(_instance, transceiver, endpoint, null);
connection.validate();
connection.activate();
_connections.put(endpoint, connection);
break;
}
catch(Ice.LocalException ex)
{
exception = ex;
}
if(traceLevels.retry >= 2)
{
StringBuffer s = new StringBuffer();
s.append("connection to endpoint failed");
if(i < endpoints.length - 1)
{
s.append(", trying next endpoint\n");
}
else
{
s.append(" and no more endpoints to try\n");
}
s.append(exception.toString());
logger.trace(traceLevels.retryCat, s.toString());
}
}
if(connection == null)
{
assert(exception != null);
throw exception;
}
return connection;
}
public synchronized void
setRouter(Ice.RouterPrx router)
{
if(_instance == null)
{
throw new Ice.CommunicatorDestroyedException();
}
RouterInfo routerInfo = _instance.routerManager().get(router);
if(routerInfo != null)
{
//
// Search for connections to the router's client proxy
// endpoints, and update the object adapter for such
// connections, so that callbacks from the router can be
// received over such connections.
//
Ice.ObjectPrx proxy = routerInfo.getClientProxy();
Ice.ObjectAdapter adapter = routerInfo.getAdapter();
DefaultsAndOverrides defaultsAndOverrides = _instance.defaultsAndOverrides();
Endpoint[] endpoints = ((Ice.ObjectPrxHelper)proxy).__reference().endpoints;
for(int i = 0; i < endpoints.length; i++)
{
Endpoint endpoint = endpoints[i];
if(defaultsAndOverrides.overrideTimeout)
{
endpoint = endpoint.timeout(defaultsAndOverrides.overrideTimeoutValue);
}
Connection connection = (Connection)_connections.get(endpoint);
if(connection != null)
{
connection.setAdapter(adapter);
}
}
}
}
public synchronized void
removeAdapter(Ice.ObjectAdapter adapter)
{
if(_instance == null)
{
throw new Ice.CommunicatorDestroyedException();
}
java.util.Iterator p = _connections.values().iterator();
while(p.hasNext())
{
Connection connection = (Connection)p.next();
if(connection.getAdapter() == adapter)
{
connection.setAdapter(null);
}
}
}
//
// Only for use by Instance.
//
OutgoingConnectionFactory(Instance instance)
{
_instance = instance;
}
protected void
finalize()
throws Throwable
{
assert(_instance == null);
super.finalize();
}
public synchronized void
destroy()
{
if(_instance == null)
{
return;
}
java.util.Iterator p = _connections.values().iterator();
while(p.hasNext())
{
Connection connection = (Connection)p.next();
connection.destroy(Connection.CommunicatorDestroyed);
}
_connections.clear();
_instance = null;
}
private Instance _instance;
private java.util.HashMap _connections = new java.util.HashMap();
}
|
