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// Copyright (C) 2015-2016 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/host_data_source_factory.h>
#include <dhcpsrv/hosts_log.h>
#ifdef HAVE_MYSQL
#include <dhcpsrv/mysql_host_data_source.h>
#endif
#ifdef HAVE_PGSQL
#include <dhcpsrv/pgsql_host_data_source.h>
#endif
#include <boost/algorithm/string.hpp>
#include <boost/foreach.hpp>
#include <boost/scoped_ptr.hpp>
#include <algorithm>
#include <iostream>
#include <iterator>
#include <map>
#include <sstream>
#include <utility>
using namespace std;
namespace isc {
namespace dhcp {
HostDataSourcePtr&
HostDataSourceFactory::getHostDataSourcePtr() {
static HostDataSourcePtr hostDataSourcePtr;
return (hostDataSourcePtr);
}
void
HostDataSourceFactory::create(const std::string& dbaccess) {
// Parse the access string and create a redacted string for logging.
DatabaseConnection::ParameterMap parameters =
DatabaseConnection::parse(dbaccess);
// Get the databaase type and open the corresponding database
DatabaseConnection::ParameterMap::iterator it = parameters.find("type");
if (it == parameters.end()) {
isc_throw(InvalidParameter, "Host database configuration does not "
"contain the 'type' keyword");
}
std::string db_type = it->second;
#ifdef HAVE_MYSQL
if (db_type == "mysql") {
LOG_INFO(dhcpsrv_logger, DHCPSRV_MYSQL_HOST_DB)
.arg(DatabaseConnection::redactedAccessString(parameters));
getHostDataSourcePtr().reset(new MySqlHostDataSource(parameters));
return;
}
#endif
#ifdef HAVE_PGSQL
if (db_type == "postgresql") {
LOG_INFO(dhcpsrv_logger, DHCPSRV_PGSQL_HOST_DB)
.arg(DatabaseConnection::redactedAccessString(parameters));
getHostDataSourcePtr().reset(new PgSqlHostDataSource(parameters));
return;
}
#endif
#ifdef HAVE_CQL
if (db_type == "cql") {
isc_throw(NotImplemented, "Sorry, CQL backend for host reservations "
"is not implemented yet.");
}
#endif
// Get here on no match.
isc_throw(InvalidType, "Hosts database access parameter 'type': " <<
db_type << " is invalid");
}
void
HostDataSourceFactory::destroy() {
// Destroy current host data source instance. This is a no-op if no host
// data source is available.
if (getHostDataSourcePtr()) {
LOG_DEBUG(dhcpsrv_logger, DHCPSRV_DBG_TRACE, HOSTS_CFG_CLOSE_HOST_DATA_SOURCE)
.arg(getHostDataSourcePtr()->getType());
}
getHostDataSourcePtr().reset();
}
#if 0
BaseHostDataSource&
HostDataSourceFactory::instance() {
BaseHostDataSource* hdsptr = getHostDataSourcePtr().get();
if (hdsptr == NULL) {
isc_throw(NoHostDataSourceManager,
"no current host data source instance is available");
}
return (*hdsptr);
}
#endif
}; // namespace dhcp
}; // namespace isc
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