111 lines
2.8 KiB
C++
111 lines
2.8 KiB
C++
//
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// Copyright(c) 2015 Gabi Melman.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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//
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#pragma once
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#if defined(__ANDROID__)
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#include "spdlog/details/os.h"
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#include "spdlog/sinks/sink.h"
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#include <android/log.h>
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#include <chrono>
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#include <mutex>
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#include <string>
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#include <thread>
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#if !defined(SPDLOG_ANDROID_RETRIES)
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#define SPDLOG_ANDROID_RETRIES 2
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#endif
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namespace spdlog {
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namespace sinks {
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/*
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* Android sink (logging using __android_log_write)
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* __android_log_write is thread-safe. No lock is needed.
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*/
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class android_sink : public sink
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{
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public:
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explicit android_sink(const std::string &tag = "spdlog", bool use_raw_msg = false)
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: tag_(tag)
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, use_raw_msg_(use_raw_msg)
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{
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}
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void log(const details::log_msg &msg) override
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{
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const android_LogPriority priority = convert_to_android(msg.level);
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fmt::memory_buffer formatted;
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if (use_raw_msg_)
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{
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formatted.append(msg.raw.data(), msg.raw.data() + msg.raw.size());
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}
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else
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{
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formatter_->format(msg, formatted);
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}
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formatted.push_back('\0');
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const char *msg_output = formatted.data();
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// See system/core/liblog/logger_write.c for explanation of return value
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int ret = __android_log_write(priority, tag_.c_str(), msg_output);
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int retry_count = 0;
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while ((ret == -11 /*EAGAIN*/) && (retry_count < SPDLOG_ANDROID_RETRIES))
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{
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details::os::sleep_for_millis(5);
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ret = __android_log_write(priority, tag_.c_str(), msg_output);
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retry_count++;
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}
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if (ret < 0)
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{
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throw spdlog_ex("__android_log_write() failed", ret);
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}
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}
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void flush() override {}
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private:
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static android_LogPriority convert_to_android(spdlog::level::level_enum level)
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{
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switch (level)
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{
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case spdlog::level::trace:
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return ANDROID_LOG_VERBOSE;
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case spdlog::level::debug:
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return ANDROID_LOG_DEBUG;
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case spdlog::level::info:
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return ANDROID_LOG_INFO;
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case spdlog::level::warn:
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return ANDROID_LOG_WARN;
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case spdlog::level::err:
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return ANDROID_LOG_ERROR;
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case spdlog::level::critical:
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return ANDROID_LOG_FATAL;
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default:
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return ANDROID_LOG_DEFAULT;
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}
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}
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std::string tag_;
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bool use_raw_msg_;
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};
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} // namespace sinks
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// Create and register android syslog logger
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template<typename Factory = default_factory>
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inline std::shared_ptr<logger> android_logger(const std::string &logger_name, const std::string &tag = "spdlog")
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{
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return return Factory::template create<sinks::android_sink>(logger_name, tag);
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}
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} // namespace spdlog
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#endif
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