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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define GLOG_CUSTOM_PREFIX_SUPPORT 1
#include <glog/logging.h>
#undef GLOG_CUSTOM_PREFIX_SUPPORT
#include <core/global_configuration.h>
#include <hicn/transport/config.h>
#include <hicn/transport/utils/log.h>
#include <iomanip>
#include <iostream>
#include <libconfig.h++>
namespace utils {
#define _(class_name, macro_name) \
std::ostream &CLASS_NAME(class_name)::getStream() { return macro_name; }
foreach_log_level
#undef _
class LogConfiguration {
static constexpr char log_config_section[] = "log";
#define LOG_NAME \
"Libhicntransport-" HICNTRANSPORT_VERSION_MAJOR \
"." HICNTRANSPORT_VERSION_MINOR "." HICNTRANSPORT_VERSION_PATCH
static constexpr char log_name[] = LOG_NAME;
#define foreach_log_config \
_(bool, logtostderr, true) \
_(bool, alsologtostderr, false) \
_(bool, colorlogtostderr, true) \
_(int32_t, stderrthreshold, 2) \
_(int32_t, minloglevel, 0) \
_(bool, log_prefix, true) \
_(std::string, log_dir, "") \
_(int32_t, v, 1) \
_(std::string, vmodule, "") \
_(int32_t, max_log_size, 5) \
_(bool, stop_logging_if_full_disk, true)
public:
LogConfiguration() {
auto &conf = transport::core::GlobalConfiguration::getInstance();
using namespace std::placeholders;
conf.registerConfigurationParser(
log_config_section,
std::bind(&LogConfiguration::parseLogConfiguration, this, _1, _2));
}
private:
void parseLogConfiguration(const libconfig::Setting &log_config,
std::error_code &ec) {
#define _(type, name, default) \
type _##name = default; \
\
if (log_config.exists(#name)) { \
log_config.lookupValue(#name, _##name); \
VLOG(2) << "Setting log config " << #name << " to " << _##name; \
\
FLAGS_##name = _##name; \
} else { \
VLOG(2) << "Log config " << #name << " do not exists"; \
}
foreach_log_config
#undef _
google::InitGoogleLogging(log_name);
}
};
constexpr char LogConfiguration::log_config_section[];
constexpr char LogConfiguration::log_name[];
LogConfiguration log_conf = LogConfiguration();
} // namespace utils
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