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// **********************************************************************
//
// Copyright (c) 2003-2006 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <Ice/Ice.h>
#include <IceGrid/NodeSessionI.h>
#include <IceGrid/Database.h>
#include <IceGrid/Topics.h>
using namespace std;
using namespace IceGrid;
NodeSessionI::NodeSessionI(const DatabasePtr& database,
const string& name,
const NodePrx& node,
const NodeInfo& info,
int timeout) :
_database(database),
_traceLevels(database->getTraceLevels()),
_name(name),
_node(NodePrx::uncheckedCast(node->ice_timeout(timeout * 1000))),
_info(info),
_timeout(timeout),
_timestamp(IceUtil::Time::now()),
_destroy(false)
{
__setNoDelete(true);
try
{
_database->addNode(name, this);
}
catch(...)
{
__setNoDelete(false);
throw;
}
__setNoDelete(false);
}
void
NodeSessionI::keepAlive(const LoadInfo& load, const Ice::Current& current)
{
Lock sync(*this);
if(_destroy)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
_timestamp = IceUtil::Time::now();
_load = load;
if(_traceLevels->node > 2)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->nodeCat);
out << "node `" << _name << "' keep alive ";
out << "(load = " << _load.avg1 << ", " << _load.avg5 << ", " << _load.avg15 << ")";
}
}
int
NodeSessionI::getTimeout(const Ice::Current& current) const
{
return _timeout;
}
NodeObserverPrx
NodeSessionI::getObserver(const Ice::Current& current) const
{
NodeObserverTopicPtr topic = NodeObserverTopicPtr::dynamicCast(_database->getObserverTopic(NodeObserverTopicName));
if(topic)
{
return topic->getPublisher();
}
else
{
return 0;
}
}
void
NodeSessionI::loadServers(const Ice::Current& current) const
{
//
// Get the server proxies to load them on the node.
//
Ice::StringSeq servers = _database->getAllNodeServers(_name);
for(Ice::StringSeq::const_iterator p = servers.begin(); p != servers.end(); ++p)
{
try
{
_database->loadServer(*p);
}
catch(const Ice::UserException&)
{
// Ignore.
}
}
}
Ice::StringSeq
NodeSessionI::getServers(const Ice::Current& current) const
{
return _database->getAllNodeServers(_name);
}
void
NodeSessionI::waitForApplicationReplication_async(const AMD_NodeSession_waitForApplicationReplicationPtr& cb,
const std::string& application,
int revision,
const Ice::Current&) const
{
_database->waitForApplicationReplication(cb, application, revision);
}
void
NodeSessionI::destroy(const Ice::Current& current)
{
{
Lock sync(*this);
if(_destroy)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
_destroy = true;
}
Ice::StringSeq servers = _database->getAllNodeServers(_name);
for(Ice::StringSeq::const_iterator p = servers.begin(); p != servers.end(); ++p)
{
try
{
_database->unloadServer(*p);
}
catch(const Ice::UserException&)
{
// Ignore.
}
}
_database->removeNode(_name, this, !current.adapter);
if(current.adapter)
{
try
{
current.adapter->remove(current.id);
}
catch(const Ice::ObjectAdapterDeactivatedException&)
{
}
}
}
const NodePrx&
NodeSessionI::getNode() const
{
return _node;
}
const NodeInfo&
NodeSessionI::getInfo() const
{
return _info;
}
const LoadInfo&
NodeSessionI::getLoadInfo() const
{
Lock sync(*this);
return _load;
}
IceUtil::Time
NodeSessionI::timestamp() const
{
Lock sync(*this);
if(_destroy)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
return _timestamp;
}
bool
NodeSessionI::isDestroyed() const
{
Lock sync(*this);
return _destroy;
}
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