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// Copyright (C) 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/cfg_db_access.h>
#include <dhcpsrv/host_data_source_factory.h>
#include <dhcpsrv/host_mgr.h>
#include <dhcpsrv/lease_mgr_factory.h>
#include <sstream>
namespace isc {
namespace dhcp {
CfgDbAccess::CfgDbAccess()
: appended_parameters_(), lease_db_access_("type=memfile"),
host_db_access_() {
}
std::string
CfgDbAccess::getLeaseDbAccessString() const {
return (getAccessString(lease_db_access_));
}
std::string
CfgDbAccess::getHostDbAccessString() const {
return (getAccessString(host_db_access_));
}
void
CfgDbAccess::createManagers() const {
// Recreate lease manager.
LeaseMgrFactory::destroy();
LeaseMgrFactory::create(getLeaseDbAccessString());
// Recreate host data source.
HostDataSourceFactory::destroy();
if (!host_db_access_.empty()) {
HostMgr::create(getHostDbAccessString());
}
}
std::string
CfgDbAccess::getAccessString(const std::string& access_string) const {
std::ostringstream s;
s << access_string;
// Only append additional parameters if any parameters are specified
// in a configuration. For host database, no parameters mean that
// database access is disabled and thus we don't want to append any
// parameters.
if ((s.tellp() != std::streampos(0)) && (!appended_parameters_.empty())) {
s << " " << appended_parameters_;
}
return (s.str());
}
} // end of isc::dhcp namespace
} // end of isc namespace
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