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// **********************************************************************
//
// Copyright (c) 2003-2014 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/IceGrid.h>
using namespace std;
using namespace IceGrid;
namespace
{
class RegistryPluginI : public Ice::Plugin
{
public:
RegistryPluginI(const Ice::CommunicatorPtr&);
virtual void initialize();
virtual void destroy();
private:
const Ice::CommunicatorPtr _communicator;
};
class ReplicaGroupFilterI : public IceGrid::ReplicaGroupFilter
{
public:
ReplicaGroupFilterI(const RegistryPluginFacadePtr&);
virtual Ice::StringSeq filter(const string&, const Ice::StringSeq&, const Ice::ConnectionPtr&, const Ice::Context&);
private:
RegistryPluginFacadePtr _facade;
};
}
//
extern "C"
{
ICE_DECLSPEC_EXPORT Ice::Plugin*
createRegistryPlugin(const Ice::CommunicatorPtr& communicator, const string&, const Ice::StringSeq&)
{
return new RegistryPluginI(communicator);
}
}
RegistryPluginI::RegistryPluginI(const Ice::CommunicatorPtr& communicator) : _communicator(communicator)
{
}
void
RegistryPluginI::initialize()
{
IceGrid::RegistryPluginFacadePtr facade = IceGrid::getRegistryPluginFacade();
if(facade)
{
facade->addReplicaGroupFilter("filterByCurrency", new ReplicaGroupFilterI(facade));
}
}
void
RegistryPluginI::destroy()
{
}
ReplicaGroupFilterI::ReplicaGroupFilterI(const IceGrid::RegistryPluginFacadePtr& facade) : _facade(facade)
{
}
Ice::StringSeq
ReplicaGroupFilterI::filter(const string& /* replicaGroupId */,
const Ice::StringSeq& adapters,
const Ice::ConnectionPtr&,
const Ice::Context& ctx)
{
Ice::Context::const_iterator p = ctx.find("currency");
if(p == ctx.end())
{
return adapters;
}
string currency = p->second;
//
// Get the Currencies property value from the server descriptor
// that owns the adapter and only keep adapters for servers that
// are configured with the currency specified in the client
// context.
//
Ice::StringSeq filteredAdapters;
for(Ice::StringSeq::const_iterator p = adapters.begin(); p != adapters.end(); ++p)
{
if(_facade->getPropertyForAdapter(*p, "Currencies").find(currency) != string::npos)
{
filteredAdapters.push_back(*p);
}
}
return filteredAdapters;
}
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