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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 <IcePack/ServerRegistryI.h>
#include <IcePack/TraceLevels.h>
#include <Freeze/Initialize.h>
using namespace std;
using namespace IcePack;
const string ServerRegistryI::_dbName = "serverregistry";
const string ServerRegistryI::_dbDescriptorName = "serverdescriptors";
ServerRegistryI::ServerRegistryI(const Ice::CommunicatorPtr& communicator, const string& envName,
const TraceLevelsPtr& traceLevels) :
_connectionCache(Freeze::createConnection(communicator, envName)),
_dictCache(_connectionCache, _dbName),
_dictDescriptorCache(_connectionCache, _dbDescriptorName),
_traceLevels(traceLevels),
_envName(envName),
_communicator(communicator)
{
}
void
ServerRegistryI::add(const string& name,
const ServerPrx& server,
const ServerDescriptorPtr& descriptor,
const Ice::Current& current)
{
while(true)
{
ServerPrx oldServer;
try
{
oldServer = findByName(name, current);
oldServer->ice_ping();
throw ServerExistsException();
}
catch(const ServerNotExistException&)
{
}
catch(const Ice::ObjectNotExistException&)
{
}
catch(const Ice::LocalException&)
{
throw ServerExistsException();
}
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringObjectProxyDict dict(connection, _dbName);
StringServerDescriptorDict dictDescriptor(connection, _dbDescriptorName);
StringObjectProxyDict::iterator p = dict.find(name);
if(p != dict.end())
{
if(oldServer && oldServer != p->second)
{
continue;
}
}
dict.put(pair<const string, const Ice::ObjectPrx>(name, server));
dictDescriptor.put(pair<const string, const ServerDescriptorPtr>(name, descriptor));
if(_traceLevels->serverRegistry > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->serverRegistryCat);
out << "added server `" << name << "'";
}
break;
}
}
ServerPrx
ServerRegistryI::remove(const string& name, const Ice::Current&)
{
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringObjectProxyDict dict(connection, _dbName);
StringServerDescriptorDict dictDescriptor(connection, _dbDescriptorName);
StringObjectProxyDict::iterator p = dict.find(name);
if(p == dict.end())
{
throw ServerNotExistException();
}
ServerPrx server = ServerPrx::uncheckedCast(p->second);
dict.erase(p);
dictDescriptor.erase(name);
if(_traceLevels->serverRegistry > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->serverRegistryCat);
out << "removed server `" << name << "'";
}
return server;
}
ServerPrx
ServerRegistryI::findByName(const string& name, const Ice::Current&)
{
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringObjectProxyDict dict(connection, _dbName);
StringObjectProxyDict::iterator p = dict.find(name);
if(p != dict.end())
{
try
{
return ServerPrx::checkedCast(p->second);
}
catch(const Ice::ObjectNotExistException&)
{
dict.erase(p);
}
catch(const Ice::LocalException&)
{
return ServerPrx::uncheckedCast(p->second);
}
}
throw ServerNotExistException();
}
ServerDescriptorPtr
ServerRegistryI::getDescriptor(const string& name, const Ice::Current&)
{
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringServerDescriptorDict dictDescriptor(connection, _dbDescriptorName);
StringServerDescriptorDict::iterator p = dictDescriptor.find(name);
if(p == dictDescriptor.end())
{
throw ServerNotExistException();
}
return p->second;
}
Ice::StringSeq
ServerRegistryI::getAll(const Ice::Current&) const
{
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringObjectProxyDict dict(connection, _dbName);
Ice::StringSeq names;
names.reserve(dict.size());
for(StringObjectProxyDict::iterator p = dict.begin(); p != dict.end(); ++p)
{
names.push_back(p->first);
}
return names;
}
ServerDescriptorSeq
ServerRegistryI::getAllDescriptorsOnNode(const string& node, const Ice::Current&) const
{
Freeze::ConnectionPtr connection = Freeze::createConnection(_communicator, _envName);
StringServerDescriptorDict dict(connection, _dbDescriptorName);
ServerDescriptorSeq descriptors;
for(StringServerDescriptorDict::iterator p = dict.begin(); p != dict.end(); ++p)
{
if(p->second->node == node)
{
descriptors.push_back(p->second);
}
}
return descriptors;
}
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