mirror of
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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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