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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 <IceUtil/ArgVector.h>
#include <Ice/Communicator.h>
#include <Ice/Properties.h>
#include <Ice/Instance.h>
#include <IceStorm/SqlDB/SqlDB.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QTextCodec>
using namespace IceStorm;
using namespace std;
extern "C"
{
ICE_DECLSPEC_EXPORT ::Ice::Plugin*
createSqlDB(const Ice::CommunicatorPtr& communicator, const string& name, const Ice::StringSeq& args)
{
IceUtilInternal::ArgVector av(args);
return new IceStorm::SqlDBPlugin(communicator, av.argc, av.argv);
}
}
namespace
{
//
// SQL wrappers for SQL tables
//
class SqlLLUWrapper : public LLUWrapper
{
public:
SqlLLUWrapper(const SqlDB::DatabaseConnectionPtr& connection, const SqlLLUPtr& llu) :
_connection(connection), _table(llu)
{
}
virtual void
put(const IceStormElection::LogUpdate& update)
{
_table->put(_connection, update);
}
virtual IceStormElection::LogUpdate
get()
{
return _table->get(_connection);
}
private:
const SqlDB::DatabaseConnectionPtr _connection;
const SqlLLUPtr _table;
};
class SqlSubscribersWrapper : public SqlDB::Wrapper<SqlSubscriberMap, SubscriberRecordKey, SubscriberRecord>,
public SubscribersWrapper
{
public:
SqlSubscribersWrapper(const SqlDB::DatabaseConnectionPtr& connection, const SqlSubscriberMapPtr& subscribers) :
SqlDB::Wrapper<SqlSubscriberMap, SubscriberRecordKey, SubscriberRecord>(connection, subscribers)
{
}
void
eraseTopic(const Ice::Identity& topic)
{
_table->eraseTopic(_connection, topic);
}
};
}
SqlConnectionPool::SqlConnectionPool(const Ice::CommunicatorPtr& communicator,
const string& databaseType,
const string& databaseName,
const string& hostname,
int port,
const string& username,
const string& password,
const string& tablePrefix,
const string& encoding) :
SqlDB::ConnectionPool(communicator, databaseType, databaseName, hostname, port, username, password, false,
Ice::stringToEncodingVersion(encoding))
{
IceDB::DatabaseConnectionPtr connection = getConnection();
IceDB::TransactionHolder txn(connection);
SqlDB::DatabaseConnectionPtr c = SqlDB::DatabaseConnectionPtr::dynamicCast(connection.get());
const_cast<SqlLLUPtr&>(_llu) = new SqlLLU(c, tablePrefix + "LLU");
const_cast<SqlSubscriberMapPtr&>(_subscribers) = new SqlSubscriberMap(c, tablePrefix + "Subscribers", communicator);
txn.commit();
}
SqlConnectionPool::~SqlConnectionPool()
{
}
LLUWrapperPtr
SqlConnectionPool::getLLU(const IceDB::DatabaseConnectionPtr& connection)
{
return new SqlLLUWrapper(SqlDB::DatabaseConnectionPtr::dynamicCast(connection.get()), _llu);
}
SubscribersWrapperPtr
SqlConnectionPool::getSubscribers(const IceDB::DatabaseConnectionPtr& connection)
{
return new SqlSubscribersWrapper(SqlDB::DatabaseConnectionPtr::dynamicCast(connection.get()), _subscribers);
}
SqlDBPlugin::SqlDBPlugin(const Ice::CommunicatorPtr& communicator, int argc, char** argv) : _communicator(communicator)
{
//
// In order to load SQL drivers it is necessary for an instance of
// QCoreApplication to be instantiated. However only one can be instantiated
// per process. Therefore we do not destroy _qtApp as it may be required
// by other services that are also using QT.
//
if(QCoreApplication::instance() == 0)
{
new QCoreApplication(argc, argv);
QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
}
Ice::PluginPtr(new Ice::ThreadHookPlugin(_communicator, new SqlDB::ThreadHook()));
}
SqlDBPlugin::~SqlDBPlugin()
{
}
void
SqlDBPlugin::initialize()
{
}
void
SqlDBPlugin::destroy()
{
//
// Break cyclic reference count (thread hook holds a reference on the cache and the cache holds
// a reference on the communicator through the SQL dictionaries).
//
SqlDB::ThreadHookPtr threadHook =
SqlDB::ThreadHookPtr::dynamicCast(IceInternal::getInstance(_communicator)->initializationData().threadHook);
if(threadHook)
{
threadHook->setConnectionPool(0);
}
}
ConnectionPoolPtr
SqlDBPlugin::getConnectionPool(const string& name)
{
Ice::PropertiesPtr properties = _communicator->getProperties();
string tablePrefix = properties->getPropertyWithDefault(name + ".InstanceName", "IceStorm");
int id = properties->getPropertyAsIntWithDefault(name + ".NodeId", -1);
if(id != -1)
{
ostringstream os;
os << tablePrefix << "_" << id;
tablePrefix = os.str();
replace(tablePrefix.begin(), tablePrefix.end(), '.', '_');
replace(tablePrefix.begin(), tablePrefix.end(), '-', '_');
replace(tablePrefix.begin(), tablePrefix.end(), ' ', '_');
replace(tablePrefix.begin(), tablePrefix.end(), ';', '_');
}
tablePrefix += "_";
string encodingVersionString =
properties->getPropertyWithDefault(name + ".SQL.EncodingVersion",
encodingVersionToString(Ice::currentEncoding));
SqlConnectionPoolPtr connectionPool = new SqlConnectionPool(_communicator,
properties->getProperty(name + ".SQL.DatabaseType"),
properties->getProperty(name + ".SQL.DatabaseName"),
properties->getProperty(name + ".SQL.HostName"),
properties->getPropertyAsInt(name + ".SQL.Port"),
properties->getProperty(name + ".SQL.UserName"),
properties->getProperty(name + ".SQL.Password"),
tablePrefix,
encodingVersionString);
SqlDB::ThreadHookPtr threadHook =
SqlDB::ThreadHookPtr::dynamicCast(IceInternal::getInstance(_communicator)->initializationData().threadHook);
assert(threadHook);
threadHook->setConnectionPool(connectionPool);
return connectionPool;
}
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