Merge pull request #1981 from mguludag/v1.x

added mongodb sink
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Gabi Melman 2021-06-27 20:30:08 +03:00 committed by GitHub
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// 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/pattern_formatter.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 {
client_ = std::make_unique<mongocxx::client>(mongocxx::uri{uri});
db_name_ = db_name;
coll_name_ = collection_name;
set_pattern("%v");
} catch (const std::exception &e) {
throw spdlog_ex("Error opening database");
}
}
~mongo_sink() { flush_(); }
protected:
void sink_it_(const details::log_msg &msg) {
using bsoncxx::builder::stream::document;
using bsoncxx::builder::stream::finalize;
if (client_ != nullptr) {
memory_buf_t formatted;
base_sink<Mutex>::formatter_->format(msg, formatted);
auto doc = document{}
<< "timestamp" << bsoncxx::types::b_date(msg.time) << "level"
<< level::to_string_view(msg.level).data() << "message"
<< std::string(formatted.begin(), formatted.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_() {}
void set_pattern_(const std::string &pattern) {
formatter_ = std::unique_ptr<spdlog::pattern_formatter>(
new spdlog::pattern_formatter(pattern, pattern_time_type::local, ""));
}
void set_formatter_(std::unique_ptr<spdlog::formatter> sink_formatter) {}
private:
static mongocxx::instance instance_;
std::string db_name_;
std::string coll_name_;
std::unique_ptr<mongocxx::client> client_ = nullptr;
};
mongocxx::instance mongo_sink<std::mutex>::instance_{};
#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