libcryfs/vendor/spdlog/sinks/android_sink.h
2016-02-10 00:58:03 +01:00

91 lines
2.1 KiB
C++

//
// Copyright(c) 2015 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//
#pragma once
#if defined(__ANDROID__)
#include <mutex>
#include "base_sink.h"
#include "../details/null_mutex.h"
#include <android/log.h>
namespace spdlog
{
namespace sinks
{
/*
* Android sink (logging using __android_log_write)
*/
template<class Mutex>
class base_android_sink : public base_sink < Mutex >
{
public:
explicit base_android_sink(std::string tag="spdlog"): _tag(tag)
{
}
void flush() override
{
}
protected:
void _sink_it(const details::log_msg& msg) override
{
const android_LogPriority priority = convert_to_android(msg.level);
const int expected_size = msg.formatted.size();
const int size = __android_log_write(
priority, _tag.c_str(), msg.formatted.c_str()
);
if (size > expected_size)
{
// Will write a little bit more than original message
}
else
{
throw spdlog_ex("Send to Android logcat failed");
}
}
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::notice:
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;
case spdlog::level::alert:
return ANDROID_LOG_FATAL;
case spdlog::level::emerg:
return ANDROID_LOG_FATAL;
default:
throw spdlog_ex("Incorrect level value");
}
}
std::string _tag;
};
typedef base_android_sink<std::mutex> android_sink_mt;
typedef base_android_sink<details::null_mutex> android_sink_st;
}
}
#endif