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// **********************************************************************
//
// Copyright (c) 2003-2005 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/ServerAdapterI.h>
#include <IceGrid/ServerI.h>
#include <IceGrid/TraceLevels.h>
#include <IceGrid/NodeI.h>
using namespace std;
using namespace IceGrid;
ServerAdapterI::ServerAdapterI(const NodeIPtr& node,
ServerI* server,
const string& serverName,
const AdapterPrx& proxy,
const string& id,
Ice::Int waitTime) :
_node(node),
_this(proxy),
_serverId(serverName),
_id(id),
_server(server),
_waitTime(IceUtil::Time::seconds(waitTime))
{
}
ServerAdapterI::~ServerAdapterI()
{
}
void
ServerAdapterI::activate_async(const AMD_Adapter_activatePtr& cb, const Ice::Current& current)
{
{
Lock sync(*this);
if(_proxy)
{
//
// Return the adapter direct proxy.
//
cb->ice_response(_proxy);
return;
}
if(_node->getTraceLevels()->adapter > 2)
{
Ice::Trace out(_node->getTraceLevels()->logger, _node->getTraceLevels()->adapterCat);
out << "waiting for activation of server `" + _serverId + "' adapter `" << _id << "'";
}
_activateCB.push_back(cb);
if(_activateCB.size() > 1)
{
return;
}
}
//
// Try to start the server. Note that we start the server outside
// the synchronization block since start() can block and callback
// on this adapter (when the server is deactivating for example).
//
try
{
_server->start_async(0);
return;
}
catch(const ServerStartException&)
{
}
catch(const Ice::ObjectNotExistException&)
{
//
// The server associated to this adapter doesn't exist anymore. Somehow the database is
// inconsistent if this happens. The best thing to do is to destroy the adapter and throw
// an ObjectNotExist exception.
//
destroy();
}
activationFailed(_server->getState() != IceGrid::Activating);
}
Ice::ObjectPrx
ServerAdapterI::getDirectProxy(const Ice::Current& current) const
{
Lock sync(*this);
//
// Return the adapter direct proxy if it's set. Otherwise, throw. The caller can eventually
// activate the adapter if it's activatable.
//
if(_proxy)
{
return _proxy;
}
else
{
AdapterNotActiveException ex;
ServerState state = _server->getState();
ex.activatable = _server->getActivationMode() == ServerI::OnDemand || state == Activating || state == Active;
ex.timeout = static_cast<int>(_waitTime.toMilliSeconds());
throw ex;
}
}
void
ServerAdapterI::setDirectProxy(const Ice::ObjectPrx& prx, const Ice::Current&)
{
Lock sync(*this);
//
// We don't allow to override an existing proxy by another non
// null proxy if the server is not inactive.
//
if(prx && _proxy)
{
if(_server->getState() == Active)
{
throw AdapterActiveException();
}
}
bool updated = _proxy != prx;
_proxy = prx;
for(vector<AMD_Adapter_activatePtr>::const_iterator p = _activateCB.begin(); p != _activateCB.end(); ++p)
{
(*p)->ice_response(_proxy);
}
_activateCB.clear();
if(updated)
{
NodeObserverPrx observer = _node->getObserver();
if(observer)
{
AdapterDynamicInfo info;
info.id = _id;
info.proxy = _proxy;
try
{
observer->updateAdapter(_node->getName(), info);
}
catch(const Ice::LocalException&)
{
}
}
}
if(_proxy)
{
_server->adapterActivated(_id);
}
else
{
_server->adapterDeactivated(_id);
}
if(_node->getTraceLevels()->adapter > 1)
{
Ice::Trace out(_node->getTraceLevels()->logger, _node->getTraceLevels()->adapterCat);
out << "server `" + _serverId + "' adapter `" << _id << "' " << (_proxy ? "activated" : "deactivated");
if(_proxy)
{
out << ": " << _node->getCommunicator()->proxyToString(_proxy);
}
}
}
void
ServerAdapterI::destroy()
{
_node->getAdapter()->remove(_this->ice_getIdentity());
}
void
ServerAdapterI::clear()
{
Lock sync(*this);
_proxy = 0;
}
void
ServerAdapterI::activationFailed(bool destroyed)
{
//
// The server couldn't be activated, trace and return the current adapter proxy.
//
if(_node->getTraceLevels()->adapter > 1)
{
Ice::Trace out(_node->getTraceLevels()->logger, _node->getTraceLevels()->adapterCat);
if(!destroyed)
{
out << "server `" + _serverId + "' adapter `" << _id << "' activation timed out";
}
else
{
out << "server `" + _serverId + "' adapter `" << _id << "' activation failed: server didn't start";
}
}
Lock sync(*this);
for(vector<AMD_Adapter_activatePtr>::const_iterator p = _activateCB.begin(); p != _activateCB.end(); ++p)
{
(*p)->ice_response(0);
}
_activateCB.clear();
}
AdapterPrx
ServerAdapterI::getProxy() const
{
return _this;
}
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