127 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			127 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C++
		
	
	
	
// Copyright(c) 2015-present, Gabi Melman & spdlog contributors.
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// Distributed under the MIT License (http://opensource.org/licenses/MIT)
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#pragma once
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#ifndef SPDLOG_HEADER_ONLY
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    #include <spdlog/sinks/stdout_sinks.h>
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#endif
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#include <memory>
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#include <spdlog/details/console_globals.h>
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#include <spdlog/pattern_formatter.h>
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#ifdef _WIN32
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    // under windows using fwrite to non-binary stream results in \r\r\n (see issue #1675)
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    // so instead we use ::FileWrite
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    #include <spdlog/details/windows_include.h>
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    #ifndef _USING_V110_SDK71_  // fileapi.h doesn't exist in winxp
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        #include <fileapi.h>    // WriteFile (..)
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    #endif
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    #include <io.h>     // _get_osfhandle(..)
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    #include <stdio.h>  // _fileno(..)
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#endif                  // WIN32
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namespace spdlog {
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namespace sinks {
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template <typename ConsoleMutex>
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SPDLOG_INLINE stdout_sink_base<ConsoleMutex>::stdout_sink_base(FILE *file)
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    : mutex_(ConsoleMutex::mutex()),
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      file_(file),
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      formatter_(details::make_unique<spdlog::pattern_formatter>()) {
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#ifdef _WIN32
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    // get windows handle from the FILE* object
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    handle_ = reinterpret_cast<HANDLE>(::_get_osfhandle(::_fileno(file_)));
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    // don't throw to support cases where no console is attached,
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    // and let the log method to do nothing if (handle_ == INVALID_HANDLE_VALUE).
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    // throw only if non stdout/stderr target is requested (probably regular file and not console).
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    if (handle_ == INVALID_HANDLE_VALUE && file != stdout && file != stderr) {
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        throw_spdlog_ex("spdlog::stdout_sink_base: _get_osfhandle() failed", errno);
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    }
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#endif  // WIN32
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}
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template <typename ConsoleMutex>
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SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::log(const details::log_msg &msg) {
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#ifdef _WIN32
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    if (handle_ == INVALID_HANDLE_VALUE) {
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        return;
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    }
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    std::lock_guard<mutex_t> lock(mutex_);
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    memory_buf_t formatted;
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    formatter_->format(msg, formatted);
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    auto size = static_cast<DWORD>(formatted.size());
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    DWORD bytes_written = 0;
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    bool ok = ::WriteFile(handle_, formatted.data(), size, &bytes_written, nullptr) != 0;
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    if (!ok) {
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        throw_spdlog_ex("stdout_sink_base: WriteFile() failed. GetLastError(): " +
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                        std::to_string(::GetLastError()));
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    }
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#else
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    std::lock_guard<mutex_t> lock(mutex_);
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    memory_buf_t formatted;
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    formatter_->format(msg, formatted);
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    ::fwrite(formatted.data(), sizeof(char), formatted.size(), file_);
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#endif                // WIN32
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    ::fflush(file_);  // flush every line to terminal
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}
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template <typename ConsoleMutex>
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SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::flush() {
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    std::lock_guard<mutex_t> lock(mutex_);
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    fflush(file_);
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}
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template <typename ConsoleMutex>
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SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_pattern(const std::string &pattern) {
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    std::lock_guard<mutex_t> lock(mutex_);
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    formatter_ = std::unique_ptr<spdlog::formatter>(new pattern_formatter(pattern));
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}
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template <typename ConsoleMutex>
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SPDLOG_INLINE void stdout_sink_base<ConsoleMutex>::set_formatter(
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    std::unique_ptr<spdlog::formatter> sink_formatter) {
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    std::lock_guard<mutex_t> lock(mutex_);
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    formatter_ = std::move(sink_formatter);
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}
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// stdout sink
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template <typename ConsoleMutex>
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SPDLOG_INLINE stdout_sink<ConsoleMutex>::stdout_sink()
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    : stdout_sink_base<ConsoleMutex>(stdout) {}
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// stderr sink
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template <typename ConsoleMutex>
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SPDLOG_INLINE stderr_sink<ConsoleMutex>::stderr_sink()
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    : stdout_sink_base<ConsoleMutex>(stderr) {}
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}  // namespace sinks
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// factory methods
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template <typename Factory>
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SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_mt(const std::string &logger_name) {
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    return Factory::template create<sinks::stdout_sink_mt>(logger_name);
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}
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template <typename Factory>
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SPDLOG_INLINE std::shared_ptr<logger> stdout_logger_st(const std::string &logger_name) {
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    return Factory::template create<sinks::stdout_sink_st>(logger_name);
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}
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template <typename Factory>
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SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_mt(const std::string &logger_name) {
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    return Factory::template create<sinks::stderr_sink_mt>(logger_name);
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}
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template <typename Factory>
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SPDLOG_INLINE std::shared_ptr<logger> stderr_logger_st(const std::string &logger_name) {
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    return Factory::template create<sinks::stderr_sink_st>(logger_name);
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}
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}  // namespace spdlog
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