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// Copyright (C) 2015-2023 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 <cc/data.h>
#include <dhcp/duid.h>
#include <dhcpsrv/cfg_duid.h>
#include <dhcpsrv/cfgmgr.h>
#include <dhcpsrv/dhcpsrv_log.h>
#include <dhcpsrv/parsers/duid_config_parser.h>
#include <dhcpsrv/parsers/dhcp_parsers.h>
#include <exceptions/exceptions.h>
#include <boost/foreach.hpp>
#include <boost/lexical_cast.hpp>
#include <string>
using namespace isc::data;
namespace isc {
namespace dhcp {
void
DUIDConfigParser::parse(const CfgDUIDPtr& cfg,
isc::data::ConstElementPtr duid_configuration) {
if (!cfg) {
// Sanity check
isc_throw(DhcpConfigError, "Must provide valid pointer to cfg when parsing duid");
}
std::string param;
try {
param = "type";
std::string duid_type = getString(duid_configuration, "type");
// Map DUID type represented as text into numeric value.
DUID::DUIDType numeric_type = DUID::DUID_UNKNOWN;
if (duid_type == "LLT") {
numeric_type = DUID::DUID_LLT;
} else if (duid_type == "EN") {
numeric_type = DUID::DUID_EN;
} else if (duid_type == "LL") {
numeric_type = DUID::DUID_LL;
} else {
isc_throw(BadValue, "unsupported DUID type '"
<< duid_type << "'. Expected: LLT, EN or LL");
}
cfg->setType(static_cast<DUID::DUIDType>(numeric_type));
param = "identifier";
if (duid_configuration->contains(param)) {
cfg->setIdentifier(getString(duid_configuration, param));
}
param = "htype";
if (duid_configuration->contains(param)) {
cfg->setHType(getUint16(duid_configuration, param));
}
param = "time";
if (duid_configuration->contains(param)) {
cfg->setTime(getUint32(duid_configuration, param));
}
param = "enterprise-id";
if (duid_configuration->contains(param)) {
cfg->setEnterpriseId(getUint32(duid_configuration, param));
}
param = "persist";
if (duid_configuration->contains(param)) {
cfg->setPersist(getBoolean(duid_configuration, param));
}
param = "user-context";
ConstElementPtr user_context = duid_configuration->get("user-context");
if (user_context) {
cfg->setContext(user_context);
}
} catch (const DhcpConfigError&) {
throw;
} catch (const std::exception& ex) {
// Append position.
isc_throw(DhcpConfigError, ex.what() << " ("
<< getPosition(param, duid_configuration) << ")");
}
LOG_WARN(dhcpsrv_logger, DHCPSRV_CFGMGR_CONFIGURE_SERVERID);
}
} // end of namespace isc::dhcp
} // end of namespace isc
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