diff options
Diffstat (limited to 'wasserstein/include/spdlog/details/file_helper.h')
-rw-r--r-- | wasserstein/include/spdlog/details/file_helper.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/wasserstein/include/spdlog/details/file_helper.h b/wasserstein/include/spdlog/details/file_helper.h deleted file mode 100644 index d0d730e..0000000 --- a/wasserstein/include/spdlog/details/file_helper.h +++ /dev/null @@ -1,117 +0,0 @@ -// -// Copyright(c) 2015 Gabi Melman. -// Distributed under the MIT License (http://opensource.org/licenses/MIT) -// - -#pragma once - -// Helper class for file sink -// When failing to open a file, retry several times(5) with small delay between the tries(10 ms) -// Throw spdlog_ex exception on errors - -#include "spdlog/details/os.h" -#include "spdlog/details/log_msg.h" - -#include <chrono> -#include <cstdio> -#include <string> -#include <thread> -#include <cerrno> - -namespace spdlog -{ -namespace details -{ - -class file_helper -{ - -public: - const int open_tries = 5; - const int open_interval = 10; - - explicit file_helper() : - _fd(nullptr) - {} - - file_helper(const file_helper&) = delete; - file_helper& operator=(const file_helper&) = delete; - - ~file_helper() - { - close(); - } - - - void open(const filename_t& fname, bool truncate = false) - { - - close(); - auto *mode = truncate ? SPDLOG_FILENAME_T("wb") : SPDLOG_FILENAME_T("ab"); - _filename = fname; - for (int tries = 0; tries < open_tries; ++tries) - { - if (!os::fopen_s(&_fd, fname, mode)) - return; - - std::this_thread::sleep_for(std::chrono::milliseconds(open_interval)); - } - - throw spdlog_ex("Failed opening file " + os::filename_to_str(_filename) + " for writing", errno); - } - - void reopen(bool truncate) - { - if (_filename.empty()) - throw spdlog_ex("Failed re opening file - was not opened before"); - open(_filename, truncate); - - } - - void flush() - { - std::fflush(_fd); - } - - void close() - { - if (_fd) - { - std::fclose(_fd); - _fd = nullptr; - } - } - - void write(const log_msg& msg) - { - - size_t msg_size = msg.formatted.size(); - auto data = msg.formatted.data(); - if (std::fwrite(data, 1, msg_size, _fd) != msg_size) - throw spdlog_ex("Failed writing to file " + os::filename_to_str(_filename), errno); - } - - size_t size() - { - if (!_fd) - throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename)); - return os::filesize(_fd); - } - - const filename_t& filename() const - { - return _filename; - } - - static bool file_exists(const filename_t& name) - { - - return os::file_exists(name); - } - -private: - FILE* _fd; - filename_t _filename; -}; -} -} |