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// Copyright (C) 2018-2023 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 <yang/translator_class.h>
#include <yang/yang_models.h>
#include <sstream>
using namespace std;
using namespace isc::data;
using namespace libyang;
using namespace sysrepo;
namespace isc {
namespace yang {
TranslatorClass::TranslatorClass(Session session, const string& model)
: Translator(session, model),
TranslatorOptionData(session, model),
TranslatorOptionDataList(session, model),
TranslatorOptionDef(session, model),
TranslatorOptionDefList(session, model) {
}
ElementPtr
TranslatorClass::getClass(DataNode const& data_node) {
try {
if ((model_ == KEA_DHCP4_SERVER) ||
(model_ == KEA_DHCP6_SERVER)) {
return (getClassKea(data_node));
}
} catch (Error const& ex) {
isc_throw(NetconfError,
"getting client class:"
<< ex.what());
}
isc_throw(NotImplemented,
"getClass not implemented for the model: " << model_);
}
ElementPtr
TranslatorClass::getClassFromAbsoluteXpath(string const& xpath) {
try {
return getClass(findXPath(xpath));
} catch (NetconfError const&) {
return ElementPtr();
}
}
ElementPtr
TranslatorClass::getClassKea(DataNode const& data_node) {
ElementPtr result = Element::createMap();
getMandatoryLeaf(result, data_node, "name");
checkAndGetLeaf(result, data_node, "max-valid-lifetime");
checkAndGetLeaf(result, data_node, "min-valid-lifetime");
checkAndGetLeaf(result, data_node, "only-if-required");
checkAndGetLeaf(result, data_node, "template-test");
checkAndGetLeaf(result, data_node, "test");
checkAndGetLeaf(result, data_node, "valid-lifetime");
checkAndGetAndJsonifyLeaf(result, data_node, "user-context");
ConstElementPtr options = getOptionDataList(data_node);
if (options) {
result->set("option-data", options);
}
if (model_ == KEA_DHCP4_SERVER) {
checkAndGetLeaf(result, data_node, "boot-file-name");
checkAndGetLeaf(result, data_node, "next-server");
checkAndGetLeaf(result, data_node, "offer-lifetime");
checkAndGetLeaf(result, data_node, "server-hostname");
ConstElementPtr defs = getOptionDefList(data_node);
if (defs) {
result->set("option-def", defs);
}
} else if (model_ == KEA_DHCP6_SERVER) {
checkAndGetLeaf(result, data_node, "max-preferred-lifetime");
checkAndGetLeaf(result, data_node, "min-preferred-lifetime");
checkAndGetLeaf(result, data_node, "preferred-lifetime");
}
return (result->empty() ? ElementPtr() : result);
}
void
TranslatorClass::setClass(string const& xpath, ConstElementPtr elem) {
try {
if ((model_ == KEA_DHCP4_SERVER) ||
(model_ == KEA_DHCP6_SERVER)) {
setClassKea(xpath, elem);
} else {
isc_throw(NotImplemented,
"setClass not implemented for the model: " << model_);
}
} catch (Error const& ex) {
isc_throw(NetconfError,
"setting client class '" << elem->str()
<< "' : " << ex.what());
}
}
void
TranslatorClass::setClassKea(string const& xpath, ConstElementPtr elem) {
// Keys are set by setting the list itself.
setItem(xpath, ElementPtr(), LeafBaseType::Unknown);
checkAndSetLeaf(elem, xpath, "max-valid-lifetime", LeafBaseType::Uint32);
checkAndSetLeaf(elem, xpath, "min-valid-lifetime", LeafBaseType::Uint32);
checkAndSetLeaf(elem, xpath, "only-if-required", LeafBaseType::Bool);
checkAndSetLeaf(elem, xpath, "template-test", LeafBaseType::String);
checkAndSetLeaf(elem, xpath, "test", LeafBaseType::String);
checkAndSetLeaf(elem, xpath, "valid-lifetime", LeafBaseType::Uint32);
ConstElementPtr options = elem->get("option-data");
if (options) {
setOptionDataList(xpath, options);
}
if (model_ == KEA_DHCP4_SERVER) {
checkAndSetLeaf(elem, xpath, "boot-file-name", LeafBaseType::String);
checkAndSetLeaf(elem, xpath, "next-server", LeafBaseType::String);
checkAndSetLeaf(elem, xpath, "offer-lifetime", LeafBaseType::Uint32);
checkAndSetLeaf(elem, xpath, "server-hostname", LeafBaseType::String);
ConstElementPtr defs = elem->get("option-def");
if (defs) {
setOptionDefList(xpath, defs);
}
} else if (model_ == KEA_DHCP6_SERVER) {
checkAndSetLeaf(elem, xpath, "max-preferred-lifetime", LeafBaseType::Uint32);
checkAndSetLeaf(elem, xpath, "min-preferred-lifetime", LeafBaseType::Uint32);
checkAndSetLeaf(elem, xpath, "preferred-lifetime", LeafBaseType::Uint32);
}
checkAndSetUserContext(elem, xpath);
}
TranslatorClasses::TranslatorClasses(Session session, const string& model)
: Translator(session, model),
TranslatorOptionData(session, model),
TranslatorOptionDataList(session, model),
TranslatorOptionDef(session, model),
TranslatorOptionDefList(session, model),
TranslatorClass(session, model) {
}
ElementPtr
TranslatorClasses::getClasses(DataNode const& data_node) {
try {
if ((model_ == KEA_DHCP4_SERVER) ||
(model_ == KEA_DHCP6_SERVER)) {
return (getClassesKea(data_node));
}
} catch (Error const& ex) {
isc_throw(NetconfError,
"getting client classes:"
<< ex.what());
}
isc_throw(NotImplemented,
"getClasses not implemented for the model: " << model_);
}
ElementPtr
TranslatorClasses::getClassesFromAbsoluteXpath(string const& xpath) {
try {
return getClasses(findXPath(xpath));
} catch (NetconfError const&) {
return ElementPtr();
}
}
ElementPtr
TranslatorClasses::getClassesKea(DataNode const& data_node) {
return getList<TranslatorClass>(data_node, "client-class", *this,
&TranslatorClass::getClass);
}
void
TranslatorClasses::setClasses(string const& xpath, ConstElementPtr elem) {
try {
if ((model_ == KEA_DHCP4_SERVER) ||
(model_ == KEA_DHCP6_SERVER)) {
setClassesKea(xpath, elem);
} else {
isc_throw(NotImplemented,
"setClasses not implemented for the model: " << model_);
}
} catch (Error const& ex) {
isc_throw(NetconfError,
"setting client classes '" << elem->str()
<< "' : " << ex.what());
}
}
void
TranslatorClasses::setClassesKea(string const& xpath, ConstElementPtr elem) {
for (size_t i = 0; i < elem->size(); ++i) {
ElementPtr cclass = elem->getNonConst(i);
if (!cclass->contains("name")) {
isc_throw(BadValue, "client class without name: " << elem->str());
}
string name = cclass->get("name")->stringValue();
ostringstream key;
key << xpath << "/client-class[name='" << name << "']";
setClass(key.str(), cclass);
}
}
} // namespace yang
} // namespace isc
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