diff options
author | Arnur Nigmetov <nigmetov@tugraz.at> | 2019-12-03 21:14:03 +0100 |
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committer | Arnur Nigmetov <nigmetov@tugraz.at> | 2020-02-18 15:02:39 +0100 |
commit | 6942d80c4d49239bca9cace9833aa74aee11ddcb (patch) | |
tree | 59797321de3b11800de28db8a4dc212828d11844 /matching/include/spdlog/sinks/android_sink.h | |
parent | 919f04a0ad3406b9c02fbce3a9a92c03c9e85c94 (diff) |
Add matching distance code.
Diffstat (limited to 'matching/include/spdlog/sinks/android_sink.h')
-rw-r--r-- | matching/include/spdlog/sinks/android_sink.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/matching/include/spdlog/sinks/android_sink.h b/matching/include/spdlog/sinks/android_sink.h new file mode 100644 index 0000000..ae7f773 --- /dev/null +++ b/matching/include/spdlog/sinks/android_sink.h @@ -0,0 +1,121 @@ +// +// Copyright(c) 2015 Gabi Melman. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) +// + +#pragma once + +#ifndef SPDLOG_H +#include "spdlog/spdlog.h" +#endif + +#include "spdlog/details/fmt_helper.h" +#include "spdlog/details/null_mutex.h" +#include "spdlog/details/os.h" +#include "spdlog/sinks/base_sink.h" + +#include <android/log.h> +#include <chrono> +#include <mutex> +#include <string> +#include <thread> + +#if !defined(SPDLOG_ANDROID_RETRIES) +#define SPDLOG_ANDROID_RETRIES 2 +#endif + +namespace spdlog { +namespace sinks { + +/* + * Android sink (logging using __android_log_write) + */ +template<typename Mutex> +class android_sink final : public base_sink<Mutex> +{ +public: + explicit android_sink(std::string tag = "spdlog", bool use_raw_msg = false) + : tag_(std::move(tag)) + , use_raw_msg_(use_raw_msg) + { + } + +protected: + void sink_it_(const details::log_msg &msg) override + { + const android_LogPriority priority = convert_to_android_(msg.level); + fmt::memory_buffer formatted; + if (use_raw_msg_) + { + details::fmt_helper::append_string_view(msg.payload, formatted); + } + else + { + sink::formatter_->format(msg, formatted); + } + formatted.push_back('\0'); + const char *msg_output = formatted.data(); + + // See system/core/liblog/logger_write.c for explanation of return value + int ret = __android_log_write(priority, tag_.c_str(), msg_output); + int retry_count = 0; + while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES)) + { + details::os::sleep_for_millis(5); + ret = __android_log_write(priority, tag_.c_str(), msg_output); + retry_count++; + } + + if (ret < 0) + { + throw spdlog_ex("__android_log_write() failed", ret); + } + } + + void flush_() override {} + +private: + static android_LogPriority convert_to_android_(spdlog::level::level_enum level) + { + switch (level) + { + case spdlog::level::trace: + return ANDROID_LOG_VERBOSE; + case spdlog::level::debug: + return ANDROID_LOG_DEBUG; + case spdlog::level::info: + return ANDROID_LOG_INFO; + case spdlog::level::warn: + return ANDROID_LOG_WARN; + case spdlog::level::err: + return ANDROID_LOG_ERROR; + case spdlog::level::critical: + return ANDROID_LOG_FATAL; + default: + return ANDROID_LOG_DEFAULT; + } + } + + std::string tag_; + bool use_raw_msg_; +}; + +using android_sink_mt = android_sink<std::mutex>; +using android_sink_st = android_sink<details::null_mutex>; +} // namespace sinks + +// Create and register android syslog logger + +template<typename Factory = default_factory> +inline std::shared_ptr<logger> android_logger_mt(const std::string &logger_name, const std::string &tag = "spdlog") +{ + return Factory::template create<sinks::android_sink_mt>(logger_name, tag); +} + +template<typename Factory = default_factory> +inline std::shared_ptr<logger> android_logger_st(const std::string &logger_name, const std::string &tag = "spdlog") +{ + return Factory::template create<sinks::android_sink_st>(logger_name, tag); +} + +} // namespace spdlog |