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// Copyright (C) 2012-2016 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <dhcpsrv/dhcpsrv_log.h>
#include <dhcpsrv/lease_mgr_factory.h>
#include <dhcpsrv/memfile_lease_mgr.h>
#ifdef HAVE_MYSQL
#include <dhcpsrv/mysql_lease_mgr.h>
#endif
#ifdef HAVE_PGSQL
#include <dhcpsrv/pgsql_lease_mgr.h>
#endif
#ifdef HAVE_CQL
#include <dhcpsrv/cql_lease_mgr.h>
#endif
#include <boost/algorithm/string.hpp>
#include <boost/foreach.hpp>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <map>
#include <sstream>
#include <utility>
using namespace std;
namespace isc {
namespace dhcp {
boost::scoped_ptr<LeaseMgr>&
LeaseMgrFactory::getLeaseMgrPtr() {
static boost::scoped_ptr<LeaseMgr> leaseMgrPtr;
return (leaseMgrPtr);
}
void
LeaseMgrFactory::create(const std::string& dbaccess) {
const std::string type = "type";
// Parse the access string and create a redacted string for logging.
DatabaseConnection::ParameterMap parameters = DatabaseConnection::parse(dbaccess);
std::string redacted = DatabaseConnection::redactedAccessString(parameters);
// Is "type" present?
if (parameters.find(type) == parameters.end()) {
LOG_ERROR(dhcpsrv_logger, DHCPSRV_NOTYPE_DB).arg(dbaccess);
isc_throw(InvalidParameter, "Database configuration parameters do not "
"contain the 'type' keyword");
}
// Yes, check what it is.
#ifdef HAVE_MYSQL
if (parameters[type] == string("mysql")) {
LOG_INFO(dhcpsrv_logger, DHCPSRV_MYSQL_DB).arg(redacted);
getLeaseMgrPtr().reset(new MySqlLeaseMgr(parameters));
return;
}
#endif
#ifdef HAVE_PGSQL
if (parameters[type] == string("postgresql")) {
LOG_INFO(dhcpsrv_logger, DHCPSRV_PGSQL_DB).arg(redacted);
getLeaseMgrPtr().reset(new PgSqlLeaseMgr(parameters));
return;
}
#endif
#ifdef HAVE_CQL
if (parameters[type] == string("cql")) {
LOG_INFO(dhcpsrv_logger, DHCPSRV_CQL_DB).arg(redacted);
getLeaseMgrPtr().reset(new CqlLeaseMgr(parameters));
return;
}
#endif
if (parameters[type] == string("memfile")) {
LOG_INFO(dhcpsrv_logger, DHCPSRV_MEMFILE_DB).arg(redacted);
getLeaseMgrPtr().reset(new Memfile_LeaseMgr(parameters));
return;
}
// Get here on no match
LOG_ERROR(dhcpsrv_logger, DHCPSRV_UNKNOWN_DB).arg(parameters[type]);
isc_throw(InvalidType, "Database access parameter 'type' does "
"not specify a supported database backend:" << parameters[type]);
}
void
LeaseMgrFactory::destroy() {
// Destroy current lease manager. This is a no-op if no lease manager
// is available.
if (getLeaseMgrPtr()) {
LOG_DEBUG(dhcpsrv_logger, DHCPSRV_DBG_TRACE, DHCPSRV_CLOSE_DB)
.arg(getLeaseMgrPtr()->getType());
}
getLeaseMgrPtr().reset();
}
bool
LeaseMgrFactory::haveInstance() {
return (getLeaseMgrPtr().get());
}
LeaseMgr&
LeaseMgrFactory::instance() {
LeaseMgr* lmptr = getLeaseMgrPtr().get();
if (lmptr == NULL) {
isc_throw(NoLeaseManager, "no current lease manager is available");
}
return (*lmptr);
}
}; // namespace dhcp
}; // namespace isc
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