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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <IceUtil/Random.h>
#include <Ice/Communicator.h>
#include <Ice/LoggerUtil.h>
#include <Ice/LocalException.h>
#include <IceGrid/ObjectCache.h>
#include <IceGrid/NodeSessionI.h>
#include <IceGrid/ServerCache.h>
#include <IceGrid/SessionI.h>
using namespace std;
using namespace IceGrid;
namespace IceGrid
{
bool compareObjectEntryCI(const shared_ptr<ObjectEntry>& lhs, const shared_ptr<ObjectEntry>& rhs)
{
return Ice::proxyIdentityLess(lhs->getProxy(), rhs->getProxy());
}
bool compareObjectLoadCI(const pair<Ice::ObjectPrx, float>& lhs, const pair<Ice::ObjectPrx, float>& rhs)
{
return lhs.second < rhs.second;
}
};
void
ObjectCache::TypeEntry::add(const shared_ptr<ObjectEntry>& obj)
{
//
// No mutex protection here, this is called with the cache locked.
//
_objects.insert(lower_bound(_objects.begin(), _objects.end(), obj, compareObjectEntryCI), obj);
}
bool
ObjectCache::TypeEntry::remove(const shared_ptr<ObjectEntry>& obj)
{
//
// No mutex protection here, this is called with the cache locked.
//
auto q = lower_bound(_objects.begin(), _objects.end(), obj, compareObjectEntryCI);
assert(q->get() == obj.get());
_objects.erase(q);
return _objects.empty();
}
ObjectCache::ObjectCache(const shared_ptr<Ice::Communicator>& communicator) : _communicator(communicator)
{
}
void
ObjectCache::add(const ObjectInfo& info, const string& application, const string& server)
{
const Ice::Identity& id = info.proxy->ice_getIdentity();
lock_guard lock(_mutex);
if(getImpl(id))
{
Ice::Error out(_communicator->getLogger());
out << "can't add duplicate object `" << _communicator->identityToString(id) << "'";
return;
}
auto entry = make_shared<ObjectEntry>(info, application, server);
addImpl(id, entry);
map<string, TypeEntry>::iterator p = _types.find(entry->getType());
if(p == _types.end())
{
p = _types.insert(p, { entry->getType(), TypeEntry() });
}
p->second.add(entry);
if(_traceLevels && _traceLevels->object > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->objectCat);
out << "added object `" << _communicator->identityToString(id) << "'";
}
}
shared_ptr<ObjectEntry>
ObjectCache::get(const Ice::Identity& id) const
{
lock_guard lock(_mutex);
shared_ptr<ObjectEntry> entry = getImpl(id);
if(!entry)
{
throw ObjectNotRegisteredException(id);
}
return entry;
}
void
ObjectCache::remove(const Ice::Identity& id)
{
lock_guard lock(_mutex);
shared_ptr<ObjectEntry> entry = getImpl(id);
if(!entry)
{
Ice::Error out(_communicator->getLogger());
out << "can't remove unknown object `" << _communicator->identityToString(id) << "'";
return;
}
removeImpl(id);
map<string, TypeEntry>::iterator p = _types.find(entry->getType());
assert(p != _types.end());
if(p->second.remove(entry))
{
_types.erase(p);
}
if(_traceLevels && _traceLevels->object > 0)
{
Ice::Trace out(_traceLevels->logger, _traceLevels->objectCat);
out << "removed object `" << _communicator->identityToString(id) << "'";
}
}
vector<shared_ptr<ObjectEntry>>
ObjectCache::getObjectsByType(const string& type)
{
lock_guard lock(_mutex);
map<string, TypeEntry>::const_iterator p = _types.find(type);
if(p == _types.end())
{
return vector<shared_ptr<ObjectEntry>>();
}
return p->second.getObjects();
}
ObjectInfoSeq
ObjectCache::getAll(const string& expression)
{
lock_guard lock(_mutex);
ObjectInfoSeq infos;
for(auto p = _entries.cbegin(); p != _entries.cend(); ++p)
{
if(expression.empty() || IceUtilInternal::match(_communicator->identityToString(p->first), expression, true))
{
infos.push_back(p->second->getObjectInfo());
}
}
return infos;
}
ObjectInfoSeq
ObjectCache::getAllByType(const string& type)
{
lock_guard lock(_mutex);
ObjectInfoSeq infos;
map<string, TypeEntry>::const_iterator p = _types.find(type);
if(p == _types.end())
{
return infos;
}
const vector<shared_ptr<ObjectEntry>>& objects = p->second.getObjects();
for(vector<shared_ptr<ObjectEntry>>::const_iterator q = objects.begin(); q != objects.end(); ++q)
{
infos.push_back((*q)->getObjectInfo());
}
return infos;
}
ObjectEntry::ObjectEntry(const ObjectInfo& info, const string& application, const string& server) :
_info(info),
_application(application),
_server(server)
{
}
shared_ptr<Ice::ObjectPrx>
ObjectEntry::getProxy() const
{
return _info.proxy;
}
string
ObjectEntry::getType() const
{
return _info.type;
}
string
ObjectEntry::getApplication() const
{
return _application;
}
string
ObjectEntry::getServer() const
{
return _server;
}
const ObjectInfo&
ObjectEntry::getObjectInfo() const
{
return _info;
}
bool
ObjectEntry::canRemove()
{
return true;
}
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