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// Copyright (C) 2018-2022 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/testutils/translator_test.h>
#include <boost/lexical_cast.hpp>
#include <variant>
#include <vector>
using namespace std;
using namespace isc::data;
using namespace libyang;
using namespace sysrepo;
namespace isc {
namespace yang {
namespace test {
LeafBaseType
YangRepr::YangReprItem::getUnionType(Value const& value) {
static_assert(
std::is_same<
Value, std::variant<int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t,
uint64_t, bool, Empty, Binary, string, optional<DataNode>,
Decimal64, vector<Bit>, Enum, IdentityRef>>::value,
"Value type has changed. The if statement needs to be adjusted to include all alternatives "
"of the std::variant.");
if (holds_alternative<int8_t>(value)) {
return LeafBaseType::Int8;
} else if (holds_alternative<int16_t>(value)) {
return LeafBaseType::Int16;
} else if (holds_alternative<int32_t>(value)) {
return LeafBaseType::Int32;
} else if (holds_alternative<int64_t>(value)) {
return LeafBaseType::Int64;
} else if (holds_alternative<uint8_t>(value)) {
return LeafBaseType::Uint8;
} else if (holds_alternative<uint16_t>(value)) {
return LeafBaseType::Uint16;
} else if (holds_alternative<uint32_t>(value)) {
return LeafBaseType::Uint32;
} else if (holds_alternative<uint64_t>(value)) {
return LeafBaseType::Uint64;
} else if (holds_alternative<bool>(value)) {
return LeafBaseType::Bool;
} else if (holds_alternative<Empty>(value)) {
return LeafBaseType::Empty;
} else if (holds_alternative<Binary>(value)) {
return LeafBaseType::Binary;
} else if (holds_alternative<string>(value)) {
return LeafBaseType::String;
} else if (holds_alternative<optional<DataNode>>(value)) {
return LeafBaseType::InstanceIdentifier;
} else if (holds_alternative<Decimal64>(value)) {
return LeafBaseType::Dec64;
} else if (holds_alternative<vector<Bit>>(value)) {
return LeafBaseType::Bits;
} else if (holds_alternative<Enum>(value)) {
return LeafBaseType::Enum;
} else if (holds_alternative<IdentityRef>(value)) {
return LeafBaseType::IdentityRef;
}
return LeafBaseType::Unknown;
}
YangRepr::YangReprItem
YangRepr::YangReprItem::get(const string& xpath, Session session) {
string val_xpath;
optional<string> value;
LeafBaseType type(LeafBaseType::Unknown);
bool settable = true;
try {
optional<DataNode> data_node(session.getData(xpath));
if (!data_node) {
isc_throw(BadValue, "YangReprItem failed at '" << xpath << "'");
}
data_node = data_node->findPath(xpath);
SchemaNode const& schema(data_node->schema());
NodeType const node_type(schema.nodeType());
if (node_type == NodeType::Leaf) {
type = schema.asLeaf().valueType().base();
} else if (node_type == NodeType::Leaflist) {
type = schema.asLeafList().valueType().base();
} else {
settable = false;
}
if (type == LeafBaseType::Union) {
// Get the underlying type.
type = getUnionType(data_node->asTerm().value());
}
if (type == LeafBaseType::Leafref) {
// Get the underlying type.
type = data_node->schema().asLeaf().valueType().asLeafRef().resolvedType().base();
}
value = Translator::translateToYang(Translator::translateFromYang(data_node),
type);
val_xpath = string(data_node->path());
} catch (Error const& ex) {
isc_throw(NetconfError,
"sysrepo error in YangReprItem: " << ex.what());
}
return (YangReprItem(val_xpath, value, type, settable));
}
YangRepr::Tree
YangRepr::get(Session session) const {
Tree result;
try {
Translator tb(session, model_);
string const xpath0("/" + model_ + ":*//.");
tb.forAll(xpath0, [&](libyang::DataNode const& node) {
string const& xpath(node.path());
result.emplace(xpath, YangReprItem::get(xpath, session));
});
} catch (Error const& ex) {
isc_throw(NetconfError,
"sysrepo error in YangRepr::getTree: " << ex.what());
}
return (result);
}
bool
YangRepr::verify(const Tree& expected, Session session,
ostream& errs) const {
bool result(true);
const Tree& received = get(session);
for (auto const& kv : received) {
string const& xpath(kv.first);
YangReprItem const& received_node(kv.second);
auto iterator(expected.find(xpath));
if (iterator == expected.end()) {
errs << "received " << received_node << ", but was not expected"
<< endl;
result = false;
continue;
}
YangReprItem const expected_node(iterator->second);
if (expected_node != received_node) {
errs << "expected " << expected_node << ", but received "
<< received_node << endl;
result = false;
}
}
for (auto const& kv : expected) {
string const& xpath(kv.first);
YangReprItem const& expected_node(kv.second);
auto iterator(received.find(xpath));
if (iterator == received.end()) {
errs << "expected " << expected_node << ", but was not received"
<< endl;
result = false;
}
}
return result;
}
void
YangRepr::set(const Tree& tree, Session session) const {
for (auto const& kv : tree) {
YangReprItem const& item(kv.second);
if (!item.settable_) {
continue;
}
try {
Context const& context(session.getContext());
SchemaNode const& schema(context.findPath(item.xpath_));
NodeType const node_type(schema.nodeType());
bool is_key(false);
if (node_type == NodeType::Leaf) {
is_key = schema.asLeaf().isKey();
}
if (!is_key) {
session.setItem(item.xpath_, item.value_);
}
} catch (Error const& ex) {
isc_throw(NetconfError,
"sysrepo error in YangRepr::set for " << item
<< ", error: " << ex.what());
}
}
session.applyChanges();
}
ostream&
operator<<(ostream& os, LeafBaseType type) {
switch (type) {
case LeafBaseType::String:
os << "string";
break;
case LeafBaseType::Bool:
os << "bool";
break;
case LeafBaseType::Uint8:
os << "uint8";
break;
case LeafBaseType::Uint16:
os << "uint16";
break;
case LeafBaseType::Uint32:
os << "uint32";
break;
case LeafBaseType::Int8:
os << "int8";
break;
case LeafBaseType::Int16:
os << "int16";
break;
case LeafBaseType::Int32:
os << "int32";
break;
case LeafBaseType::IdentityRef:
os << "identity ref";
break;
case LeafBaseType::Enum:
os << "enum";
break;
case LeafBaseType::Binary:
os << "binary";
break;
case LeafBaseType::Bits:
os << "bits";
break;
case LeafBaseType::Dec64:
os << "decimal64";
break;
case LeafBaseType::InstanceIdentifier:
os << "instance id";
break;
case LeafBaseType::Int64:
os << "int64";
break;
case LeafBaseType::Uint64:
os << "uint64";
break;
case LeafBaseType::Union:
os << "union";
break;
case LeafBaseType::Leafref:
os << "leafref";
break;
case LeafBaseType::Unknown:
os << "unknown";
break;
default:
isc_throw(BadValue, "unsupported type " << int(type));
}
return (os);
}
ostream& operator<<(ostream& os, const YangRepr::YangReprItem& item) {
os << item.xpath_ << " = (" << item.type_ << ") '" << (item.value_ ? *item.value_ : "nullopt")
<< "'";
return (os);
}
ostream& operator<<(ostream& os, const YangRepr::Tree& tree) {
for (auto const& kv : tree) {
YangRepr::YangReprItem const& item(kv.second);
os << item << endl;
}
return (os);
}
} // namespace test
} // namespace yang
} // namespace isc
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