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// Copyright (C) 2020-2023 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 <dhcpsrv/parsers/multi_threading_config_parser.h>
#include <dhcpsrv/cfg_multi_threading.h>
#include <util/multi_threading_mgr.h>
#include <testutils/test_to_element.h>
#include <gtest/gtest.h>
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::test;
using namespace isc::util;
namespace {
/// @brief Test fixture class for @c MultiThreadingConfigParser
class MultiThreadingConfigParserTest : public ::testing::Test {
public:
/// @brief Constructor
MultiThreadingConfigParserTest() = default;
/// @brief Destructor
virtual ~MultiThreadingConfigParserTest() = default;
protected:
/// @brief Setup for each test.
virtual void SetUp();
/// @brief Cleans up after each test.
virtual void TearDown();
};
void
MultiThreadingConfigParserTest::SetUp() {
MultiThreadingMgr::instance().setMode(false);
}
void
MultiThreadingConfigParserTest::TearDown() {
MultiThreadingMgr::instance().setMode(false);
}
// Verifies that MultiThreadingConfigParser handles
// expected valid content
TEST_F(MultiThreadingConfigParserTest, validContent) {
struct Scenario {
std::string description_;
std::string json_;
};
std::vector<Scenario> scenarios = {
{
"enable-multi-threading, without thread-pool-size or packet-queue-size",
"{ \n"
" \"enable-multi-threading\": true \n"
"} \n"
},
{
"enable-multi-threading disabled",
"{ \n"
" \"enable-multi-threading\": false \n"
"} \n"
},
{
"enable-multi-threading, with thread-pool-size and packet-queue-size",
"{ \n"
" \"enable-multi-threading\": true, \n"
" \"thread-pool-size\": 4, \n"
" \"packet-queue-size\": 64 \n"
"} \n"
}
};
// Iterate over the valid scenarios and verify they succeed.
ConstElementPtr config_elems;
ConstElementPtr multi_threading_config;
for (auto scenario : scenarios) {
SCOPED_TRACE(scenario.description_);
{
SrvConfig srv_config;
// Construct the config JSON
ASSERT_NO_THROW(config_elems = Element::fromJSON(scenario.json_))
<< "invalid JSON, test is broken";
// Parsing config should succeed.
MultiThreadingConfigParser parser;
try {
parser.parse(srv_config, config_elems);
} catch (const std::exception& ex) {
ADD_FAILURE() << "parser threw an exception: " << ex.what();
}
multi_threading_config = srv_config.getDHCPMultiThreading();
// Verify the resultant configuration.
ASSERT_TRUE(multi_threading_config);
bool enabled = false;
uint32_t thread_count = 0;
uint32_t queue_size = 0;
CfgMultiThreading::extract(multi_threading_config, enabled,
thread_count, queue_size);
EXPECT_TRUE(multi_threading_config->equals(*config_elems));
}
}
}
// Verifies that MultiThreadingConfigParser correctly catches
// invalid content
TEST_F(MultiThreadingConfigParserTest, invalidContent) {
struct Scenario {
std::string description_;
std::string json_;
};
std::vector<Scenario> scenarios = {
{
"enable-multi-threading not boolean",
"{ \n"
" \"enable-multi-threading\": \"always\" \n"
"} \n"
},
{
"thread-pool-size not integer",
"{ \n"
" \"thread-pool-size\": true \n"
"} \n"
},
{
"thread-pool-size negative",
"{ \n"
" \"thread-pool-size\": -1 \n"
"} \n"
},
{
"thread-pool-size too large",
"{ \n"
" \"thread-pool-size\": 200000 \n"
"} \n"
},
{
"packet-queue-size not integer",
"{ \n"
" \"packet-queue-size\": true \n"
"} \n"
},
{
"packet-queue-size-size negative",
"{ \n"
" \"packet-queue-size\": -1 \n"
"} \n"
},
{
"packet-queue-size too large",
"{ \n"
" \"packet-queue-size\": 200000 \n"
"} \n"
}
};
// Iterate over the valid scenarios and verify they succeed.
ConstElementPtr config_elems;
ConstElementPtr queue_control;
for (auto scenario : scenarios) {
SCOPED_TRACE(scenario.description_);
{
SrvConfig srv_config;
// Construct the config JSON
ASSERT_NO_THROW(config_elems = Element::fromJSON(scenario.json_))
<< "invalid JSON, test is broken";
// Parsing config into a queue control should succeed.
MultiThreadingConfigParser parser;
EXPECT_THROW(parser.parse(srv_config, config_elems), DhcpConfigError);
}
}
}
} // namespace
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