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author | bunnei <bunneidev@gmail.com> | 2021-07-07 09:40:31 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-07-07 09:40:31 +0200 |
commit | 2eb018c80fd2a83686ee11a80c7427a98ea44354 (patch) | |
tree | a062eae0798d08a88411642490c2fef96b082dc6 /src | |
parent | Merge pull request #6497 from FernandoS27/scotty-doesnt-know (diff) | |
parent | common: logging: backend: Close the file after exceeding the write limit (diff) | |
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Diffstat (limited to 'src')
-rw-r--r-- | src/common/fs/file.cpp | 29 | ||||
-rw-r--r-- | src/common/fs/file.h | 11 | ||||
-rw-r--r-- | src/common/logging/backend.cpp | 19 |
3 files changed, 48 insertions, 11 deletions
diff --git a/src/common/fs/file.cpp b/src/common/fs/file.cpp index 077f34995..274f57659 100644 --- a/src/common/fs/file.cpp +++ b/src/common/fs/file.cpp @@ -306,9 +306,9 @@ bool IOFile::Flush() const { errno = 0; #ifdef _WIN32 - const auto flush_result = std::fflush(file) == 0 && _commit(fileno(file)) == 0; + const auto flush_result = std::fflush(file) == 0; #else - const auto flush_result = std::fflush(file) == 0 && fsync(fileno(file)) == 0; + const auto flush_result = std::fflush(file) == 0; #endif if (!flush_result) { @@ -320,6 +320,28 @@ bool IOFile::Flush() const { return flush_result; } +bool IOFile::Commit() const { + if (!IsOpen()) { + return false; + } + + errno = 0; + +#ifdef _WIN32 + const auto commit_result = std::fflush(file) == 0 && _commit(fileno(file)) == 0; +#else + const auto commit_result = std::fflush(file) == 0 && fsync(fileno(file)) == 0; +#endif + + if (!commit_result) { + const auto ec = std::error_code{errno, std::generic_category()}; + LOG_ERROR(Common_Filesystem, "Failed to commit the file at path={}, ec_message={}", + PathToUTF8String(file_path), ec.message()); + } + + return commit_result; +} + bool IOFile::SetSize(u64 size) const { if (!IsOpen()) { return false; @@ -347,6 +369,9 @@ u64 IOFile::GetSize() const { return 0; } + // Flush any unwritten buffered data into the file prior to retrieving the file size. + std::fflush(file); + std::error_code ec; const auto file_size = fs::file_size(file_path, ec); diff --git a/src/common/fs/file.h b/src/common/fs/file.h index 588fe619d..2c4ab4332 100644 --- a/src/common/fs/file.h +++ b/src/common/fs/file.h @@ -396,13 +396,22 @@ public: [[nodiscard]] size_t WriteString(std::span<const char> string) const; /** - * Attempts to flush any unwritten buffered data into the file and flush the file into the disk. + * Attempts to flush any unwritten buffered data into the file. * * @returns True if the flush was successful, false otherwise. */ bool Flush() const; /** + * Attempts to commit the file into the disk. + * Note that this is an expensive operation as this forces the operating system to write + * the contents of the file associated with the file descriptor into the disk. + * + * @returns True if the commit was successful, false otherwise. + */ + bool Commit() const; + + /** * Resizes the file to a given size. * If the file is resized to a smaller size, the remainder of the file is discarded. * If the file is resized to a larger size, the new area appears as if zero-filled. diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp index b6fa4affb..61dddab3f 100644 --- a/src/common/logging/backend.cpp +++ b/src/common/logging/backend.cpp @@ -171,19 +171,22 @@ FileBackend::FileBackend(const std::filesystem::path& filename) { FileBackend::~FileBackend() = default; void FileBackend::Write(const Entry& entry) { + if (!file->IsOpen()) { + return; + } + using namespace Common::Literals; - // prevent logs from going over the maximum size (in case its spamming and the user doesn't - // know) + // Prevent logs from exceeding a set maximum size in the event that log entries are spammed. constexpr std::size_t MAX_BYTES_WRITTEN = 100_MiB; constexpr std::size_t MAX_BYTES_WRITTEN_EXTENDED = 1_GiB; - if (!file->IsOpen()) { - return; - } + const bool write_limit_exceeded = + bytes_written > MAX_BYTES_WRITTEN_EXTENDED || + (bytes_written > MAX_BYTES_WRITTEN && !Settings::values.extended_logging); - if (Settings::values.extended_logging && bytes_written > MAX_BYTES_WRITTEN_EXTENDED) { - return; - } else if (!Settings::values.extended_logging && bytes_written > MAX_BYTES_WRITTEN) { + // Close the file after the write limit is exceeded. + if (write_limit_exceeded) { + file->Close(); return; } |