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author | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2022-08-24 00:32:31 +0100 |
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committer | GitHub <noreply@github.com> | 2022-08-24 00:32:31 +0100 |
commit | f9bc3c9d1834cb8bd5f872b749b057c33e8b0102 (patch) | |
tree | e96e2da0d95798dd42eddf644a82a74555db858f /NorthstarDLL/include/spdlog/details/file_helper-inl.h | |
parent | 812893d8219daa60f5b5b7fd22cbd6b175603399 (diff) | |
download | NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.tar.gz NorthstarLauncher-f9bc3c9d1834cb8bd5f872b749b057c33e8b0102.zip |
Adjust folder structure (#242)
* Adjust folder structure
* change launcher directory name
Diffstat (limited to 'NorthstarDLL/include/spdlog/details/file_helper-inl.h')
-rw-r--r-- | NorthstarDLL/include/spdlog/details/file_helper-inl.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/NorthstarDLL/include/spdlog/details/file_helper-inl.h b/NorthstarDLL/include/spdlog/details/file_helper-inl.h new file mode 100644 index 00000000..30f3cf55 --- /dev/null +++ b/NorthstarDLL/include/spdlog/details/file_helper-inl.h @@ -0,0 +1,147 @@ +// Copyright(c) 2015-present, Gabi Melman & spdlog contributors. +// Distributed under the MIT License (http://opensource.org/licenses/MIT) + +#pragma once + +#ifndef SPDLOG_HEADER_ONLY +#include <spdlog/details/file_helper.h> +#endif + +#include <spdlog/details/os.h> +#include <spdlog/common.h> + +#include <cerrno> +#include <chrono> +#include <cstdio> +#include <string> +#include <thread> +#include <tuple> + +namespace spdlog { +namespace details { + +SPDLOG_INLINE file_helper::~file_helper() +{ + close(); +} + +SPDLOG_INLINE void file_helper::open(const filename_t &fname, bool truncate) +{ + close(); + filename_ = fname; + + auto *mode = SPDLOG_FILENAME_T("ab"); + auto *trunc_mode = SPDLOG_FILENAME_T("wb"); + + for (int tries = 0; tries < open_tries_; ++tries) + { + // create containing folder if not exists already. + os::create_dir(os::dir_name(fname)); + if (truncate) + { + // Truncate by opening-and-closing a tmp file in "wb" mode, always + // opening the actual log-we-write-to in "ab" mode, since that + // interacts more politely with eternal processes that might + // rotate/truncate the file underneath us. + std::FILE *tmp; + if (os::fopen_s(&tmp, fname, trunc_mode)) + { + continue; + } + std::fclose(tmp); + } + if (!os::fopen_s(&fd_, fname, mode)) + { + return; + } + + details::os::sleep_for_millis(open_interval_); + } + + throw_spdlog_ex("Failed opening file " + os::filename_to_str(filename_) + " for writing", errno); +} + +SPDLOG_INLINE void file_helper::reopen(bool truncate) +{ + if (filename_.empty()) + { + throw_spdlog_ex("Failed re opening file - was not opened before"); + } + this->open(filename_, truncate); +} + +SPDLOG_INLINE void file_helper::flush() +{ + std::fflush(fd_); +} + +SPDLOG_INLINE void file_helper::close() +{ + if (fd_ != nullptr) + { + std::fclose(fd_); + fd_ = nullptr; + } +} + +SPDLOG_INLINE void file_helper::write(const memory_buf_t &buf) +{ + size_t msg_size = buf.size(); + auto data = buf.data(); + if (std::fwrite(data, 1, msg_size, fd_) != msg_size) + { + throw_spdlog_ex("Failed writing to file " + os::filename_to_str(filename_), errno); + } +} + +SPDLOG_INLINE size_t file_helper::size() const +{ + if (fd_ == nullptr) + { + throw_spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(filename_)); + } + return os::filesize(fd_); +} + +SPDLOG_INLINE const filename_t &file_helper::filename() const +{ + return filename_; +} + +// +// return file path and its extension: +// +// "mylog.txt" => ("mylog", ".txt") +// "mylog" => ("mylog", "") +// "mylog." => ("mylog.", "") +// "/dir1/dir2/mylog.txt" => ("/dir1/dir2/mylog", ".txt") +// +// the starting dot in filenames is ignored (hidden files): +// +// ".mylog" => (".mylog". "") +// "my_folder/.mylog" => ("my_folder/.mylog", "") +// "my_folder/.mylog.txt" => ("my_folder/.mylog", ".txt") +SPDLOG_INLINE std::tuple<filename_t, filename_t> file_helper::split_by_extension(const filename_t &fname) +{ + auto ext_index = fname.rfind('.'); + + // no valid extension found - return whole path and empty string as + // extension + if (ext_index == filename_t::npos || ext_index == 0 || ext_index == fname.size() - 1) + { + return std::make_tuple(fname, filename_t()); + } + + // treat cases like "/etc/rc.d/somelogfile or "/abc/.hiddenfile" + auto folder_index = fname.find_last_of(details::os::folder_seps_filename); + if (folder_index != filename_t::npos && folder_index >= ext_index - 1) + { + return std::make_tuple(fname, filename_t()); + } + + // finally - return a valid base and extension tuple + return std::make_tuple(fname.substr(0, ext_index), fname.substr(ext_index)); +} + +} // namespace details +} // namespace spdlog |