emsApplication/sdk/include/spdlog/sinks/mongo_sink.h

109 lines
3.9 KiB
C++

// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
#pragma once
//
// Custom sink for mongodb
// Building and using requires mongocxx library.
// For building mongocxx library check the url below
// http://mongocxx.org/mongocxx-v3/installation/
//
#include "spdlog/common.h"
#include "spdlog/details/log_msg.h"
#include "spdlog/sinks/base_sink.h"
#include <spdlog/details/synchronous_factory.h>
#include <bsoncxx/builder/stream/document.hpp>
#include <bsoncxx/types.hpp>
#include <bsoncxx/view_or_value.hpp>
#include <mongocxx/client.hpp>
#include <mongocxx/instance.hpp>
#include <mongocxx/uri.hpp>
namespace spdlog {
namespace sinks {
template <typename Mutex>
class mongo_sink : public base_sink<Mutex> {
public:
mongo_sink(const std::string &db_name,
const std::string &collection_name,
const std::string &uri = "mongodb://localhost:27017") try
: mongo_sink(std::make_shared<mongocxx::instance>(), db_name, collection_name, uri) {
} catch (const std::exception &e) {
throw_spdlog_ex(fmt_lib::format("Error opening database: {}", e.what()));
}
mongo_sink(std::shared_ptr<mongocxx::instance> instance,
const std::string &db_name,
const std::string &collection_name,
const std::string &uri = "mongodb://localhost:27017")
: instance_(std::move(instance)),
db_name_(db_name),
coll_name_(collection_name) {
try {
client_ = spdlog::details::make_unique<mongocxx::client>(mongocxx::uri{uri});
} catch (const std::exception &e) {
throw_spdlog_ex(fmt_lib::format("Error opening database: {}", e.what()));
}
}
~mongo_sink() { flush_(); }
protected:
void sink_it_(const details::log_msg &msg) override {
using bsoncxx::builder::stream::document;
using bsoncxx::builder::stream::finalize;
if (client_ != nullptr) {
auto doc = document{} << "timestamp" << bsoncxx::types::b_date(msg.time) << "level"
<< level::to_string_view(msg.level).data() << "level_num"
<< msg.level << "message"
<< std::string(msg.payload.begin(), msg.payload.end())
<< "logger_name"
<< std::string(msg.logger_name.begin(), msg.logger_name.end())
<< "thread_id" << static_cast<int>(msg.thread_id) << finalize;
client_->database(db_name_).collection(coll_name_).insert_one(doc.view());
}
}
void flush_() override {}
private:
std::shared_ptr<mongocxx::instance> instance_;
std::string db_name_;
std::string coll_name_;
std::unique_ptr<mongocxx::client> client_ = nullptr;
};
#include "spdlog/details/null_mutex.h"
#include <mutex>
using mongo_sink_mt = mongo_sink<std::mutex>;
using mongo_sink_st = mongo_sink<spdlog::details::null_mutex>;
} // namespace sinks
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> mongo_logger_mt(
const std::string &logger_name,
const std::string &db_name,
const std::string &collection_name,
const std::string &uri = "mongodb://localhost:27017") {
return Factory::template create<sinks::mongo_sink_mt>(logger_name, db_name, collection_name,
uri);
}
template <typename Factory = spdlog::synchronous_factory>
inline std::shared_ptr<logger> mongo_logger_st(
const std::string &logger_name,
const std::string &db_name,
const std::string &collection_name,
const std::string &uri = "mongodb://localhost:27017") {
return Factory::template create<sinks::mongo_sink_st>(logger_name, db_name, collection_name,
uri);
}
} // namespace spdlog