diff options
Diffstat (limited to 'chromium/third_party/leveldatabase/env_chromium.cc')
-rw-r--r-- | chromium/third_party/leveldatabase/env_chromium.cc | 612 |
1 files changed, 126 insertions, 486 deletions
diff --git a/chromium/third_party/leveldatabase/env_chromium.cc b/chromium/third_party/leveldatabase/env_chromium.cc index b5a866c2918..17b50972474 100644 --- a/chromium/third_party/leveldatabase/env_chromium.cc +++ b/chromium/third_party/leveldatabase/env_chromium.cc @@ -2,46 +2,19 @@ // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. See the AUTHORS file for names of contributors. -#include <errno.h> -#include <stdio.h> -#include <string.h> - -#include <deque> - -#include "base/at_exit.h" #include "base/debug/trace_event.h" #include "base/file_util.h" -#include "base/files/file_enumerator.h" -#include "base/files/file_path.h" #include "base/lazy_instance.h" -#include "base/memory/ref_counted.h" -#include "base/message_loop/message_loop.h" #include "base/metrics/histogram.h" -#include "base/platform_file.h" -#include "base/posix/eintr_wrapper.h" #include "base/strings/utf_string_conversions.h" -#include "base/synchronization/lock.h" -#include "base/sys_info.h" -#include "base/threading/platform_thread.h" -#include "base/threading/thread.h" -#include "chromium_logger.h" -#include "env_chromium.h" -#include "leveldb/env.h" -#include "leveldb/slice.h" -#include "port/port.h" +#include "env_chromium_stdio.h" #include "third_party/re2/re2/re2.h" -#include "util/logging.h" #if defined(OS_WIN) #include <io.h> +#include "base/command_line.h" #include "base/win/win_util.h" -#endif - -#if defined(OS_POSIX) -#include <dirent.h> -#include <fcntl.h> -#include <sys/resource.h> -#include <sys/time.h> +#include "env_chromium_win.h" #endif using namespace leveldb; @@ -54,165 +27,12 @@ const base::FilePath::CharType backup_table_extension[] = FILE_PATH_LITERAL(".bak"); const base::FilePath::CharType table_extension[] = FILE_PATH_LITERAL(".ldb"); -#if (defined(OS_POSIX) && !defined(OS_LINUX)) || defined(OS_WIN) -// The following are glibc-specific - -size_t fread_unlocked(void *ptr, size_t size, size_t n, FILE *file) { - return fread(ptr, size, n, file); -} - -size_t fwrite_unlocked(const void *ptr, size_t size, size_t n, FILE *file) { - return fwrite(ptr, size, n, file); -} - -int fflush_unlocked(FILE *file) { - return fflush(file); -} - -#if !defined(OS_ANDROID) -int fdatasync(int fildes) { -#if defined(OS_WIN) - return _commit(fildes); -#else - return HANDLE_EINTR(fsync(fildes)); -#endif -} -#endif - -#endif - -// Wide-char safe fopen wrapper. -FILE* fopen_internal(const char* fname, const char* mode) { -#if defined(OS_WIN) - return _wfopen(UTF8ToUTF16(fname).c_str(), ASCIIToUTF16(mode).c_str()); -#else - return fopen(fname, mode); -#endif -} - -base::FilePath CreateFilePath(const std::string& file_path) { -#if defined(OS_WIN) - return base::FilePath(UTF8ToUTF16(file_path)); -#else - return base::FilePath(file_path); -#endif -} - static const base::FilePath::CharType kLevelDBTestDirectoryPrefix[] = FILE_PATH_LITERAL("leveldb-test-"); -const char* PlatformFileErrorString(const ::base::PlatformFileError& error) { - switch (error) { - case ::base::PLATFORM_FILE_ERROR_FAILED: - return "No further details."; - case ::base::PLATFORM_FILE_ERROR_IN_USE: - return "File currently in use."; - case ::base::PLATFORM_FILE_ERROR_EXISTS: - return "File already exists."; - case ::base::PLATFORM_FILE_ERROR_NOT_FOUND: - return "File not found."; - case ::base::PLATFORM_FILE_ERROR_ACCESS_DENIED: - return "Access denied."; - case ::base::PLATFORM_FILE_ERROR_TOO_MANY_OPENED: - return "Too many files open."; - case ::base::PLATFORM_FILE_ERROR_NO_MEMORY: - return "Out of memory."; - case ::base::PLATFORM_FILE_ERROR_NO_SPACE: - return "No space left on drive."; - case ::base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY: - return "Not a directory."; - case ::base::PLATFORM_FILE_ERROR_INVALID_OPERATION: - return "Invalid operation."; - case ::base::PLATFORM_FILE_ERROR_SECURITY: - return "Security error."; - case ::base::PLATFORM_FILE_ERROR_ABORT: - return "File operation aborted."; - case ::base::PLATFORM_FILE_ERROR_NOT_A_FILE: - return "The supplied path was not a file."; - case ::base::PLATFORM_FILE_ERROR_NOT_EMPTY: - return "The file was not empty."; - case ::base::PLATFORM_FILE_ERROR_INVALID_URL: - return "Invalid URL."; - case ::base::PLATFORM_FILE_ERROR_IO: - return "OS or hardware error."; - case ::base::PLATFORM_FILE_OK: - return "OK."; - case ::base::PLATFORM_FILE_ERROR_MAX: - NOTREACHED(); - } - NOTIMPLEMENTED(); - return "Unknown error."; -} - -class ChromiumSequentialFile: public SequentialFile { - private: - std::string filename_; - FILE* file_; - const UMALogger* uma_logger_; - - public: - ChromiumSequentialFile(const std::string& fname, FILE* f, - const UMALogger* uma_logger) - : filename_(fname), file_(f), uma_logger_(uma_logger) { } - virtual ~ChromiumSequentialFile() { fclose(file_); } - - virtual Status Read(size_t n, Slice* result, char* scratch) { - Status s; - size_t r = fread_unlocked(scratch, 1, n, file_); - *result = Slice(scratch, r); - if (r < n) { - if (feof(file_)) { - // We leave status as ok if we hit the end of the file - } else { - // A partial read with an error: return a non-ok status - s = MakeIOError(filename_, strerror(errno), kSequentialFileRead, errno); - uma_logger_->RecordErrorAt(kSequentialFileRead); - } - } - return s; - } - - virtual Status Skip(uint64_t n) { - if (fseek(file_, n, SEEK_CUR)) { - int saved_errno = errno; - uma_logger_->RecordErrorAt(kSequentialFileSkip); - return MakeIOError( - filename_, strerror(saved_errno), kSequentialFileSkip, saved_errno); - } - return Status::OK(); - } -}; - -class ChromiumRandomAccessFile: public RandomAccessFile { - private: - std::string filename_; - ::base::PlatformFile file_; - const UMALogger* uma_logger_; - - public: - ChromiumRandomAccessFile(const std::string& fname, ::base::PlatformFile file, - const UMALogger* uma_logger) - : filename_(fname), file_(file), uma_logger_(uma_logger) { } - virtual ~ChromiumRandomAccessFile() { ::base::ClosePlatformFile(file_); } - - virtual Status Read(uint64_t offset, size_t n, Slice* result, - char* scratch) const { - Status s; - int r = ::base::ReadPlatformFile(file_, offset, scratch, n); - *result = Slice(scratch, (r < 0) ? 0 : r); - if (r < 0) { - // An error: return a non-ok status - s = MakeIOError( - filename_, "Could not perform read", kRandomAccessFileRead); - uma_logger_->RecordErrorAt(kRandomAccessFileRead); - } - return s; - } -}; - class ChromiumFileLock : public FileLock { public: - ::base::PlatformFile file_; + ::base::File file_; std::string name_; }; @@ -226,19 +46,19 @@ class Retrier { time_to_sleep_(base::TimeDelta::FromMilliseconds(10)), success_(true), method_(method), - last_error_(base::PLATFORM_FILE_OK), + last_error_(base::File::FILE_OK), provider_(provider) {} ~Retrier() { if (success_) { provider_->GetRetryTimeHistogram(method_)->AddTime(last_ - start_); - if (last_error_ != base::PLATFORM_FILE_OK) { + if (last_error_ != base::File::FILE_OK) { DCHECK(last_error_ < 0); provider_->GetRecoveredFromErrorHistogram(method_)->Add(-last_error_); } } } - bool ShouldKeepTrying(base::PlatformFileError last_error) { - DCHECK_NE(last_error, base::PLATFORM_FILE_OK); + bool ShouldKeepTrying(base::File::Error last_error) { + DCHECK_NE(last_error, base::File::FILE_OK); last_error_ = last_error; if (last_ < limit_) { base::PlatformThread::Sleep(time_to_sleep_); @@ -256,21 +76,37 @@ class Retrier { base::TimeDelta time_to_sleep_; bool success_; MethodID method_; - base::PlatformFileError last_error_; + base::File::Error last_error_; RetrierProvider* provider_; }; -class IDBEnv : public ChromiumEnv { +class IDBEnvStdio : public ChromiumEnvStdio { + public: + IDBEnvStdio() : ChromiumEnvStdio() { + name_ = "LevelDBEnv.IDB"; + make_backup_ = true; + } +}; + +#if defined(OS_WIN) +class IDBEnvWin : public ChromiumEnvWin { public: - IDBEnv() : ChromiumEnv() { + IDBEnvWin() : ChromiumEnvWin() { name_ = "LevelDBEnv.IDB"; make_backup_ = true; } }; +#endif -::base::LazyInstance<IDBEnv>::Leaky idb_env = LAZY_INSTANCE_INITIALIZER; +#if defined(OS_WIN) +::base::LazyInstance<IDBEnvWin>::Leaky idb_env = + LAZY_INSTANCE_INITIALIZER; +#else +::base::LazyInstance<IDBEnvStdio>::Leaky idb_env = + LAZY_INSTANCE_INITIALIZER; +#endif -::base::LazyInstance<ChromiumEnv>::Leaky default_env = +::base::LazyInstance<ChromiumEnvStdio>::Leaky default_env = LAZY_INSTANCE_INITIALIZER; } // unnamed namespace @@ -345,7 +181,7 @@ Status MakeIOError(Slice filename, Status MakeIOError(Slice filename, const char* message, MethodID method, - base::PlatformFileError error) { + base::File::Error error) { DCHECK(error < 0); char buf[512]; snprintf(buf, @@ -466,8 +302,8 @@ bool IndicatesDiskFull(const leveldb::Status& status) { leveldb_env::ErrorParsingResult result = leveldb_env::ParseMethodAndError( status.ToString().c_str(), &method, &error); return (result == leveldb_env::METHOD_AND_PFE && - static_cast<base::PlatformFileError>(error) == - base::PLATFORM_FILE_ERROR_NO_SPACE) || + static_cast<base::File::Error>(error) == + base::File::FILE_ERROR_NO_SPACE) || (result == leveldb_env::METHOD_AND_ERRNO && error == ENOSPC); } @@ -487,128 +323,30 @@ bool IsCorruption(const leveldb::Status& status) { std::string FilePathToString(const base::FilePath& file_path) { #if defined(OS_WIN) - return UTF16ToUTF8(file_path.value()); + return base::UTF16ToUTF8(file_path.value()); #else return file_path.value(); #endif } -ChromiumWritableFile::ChromiumWritableFile(const std::string& fname, - FILE* f, - const UMALogger* uma_logger, - WriteTracker* tracker, - bool make_backup) - : filename_(fname), - file_(f), - uma_logger_(uma_logger), - tracker_(tracker), - file_type_(kOther), - make_backup_(make_backup) { - base::FilePath path = base::FilePath::FromUTF8Unsafe(fname); - if (FilePathToString(path.BaseName()).find("MANIFEST") == 0) - file_type_ = kManifest; - else if (path.MatchesExtension(table_extension)) - file_type_ = kTable; - if (file_type_ != kManifest) - tracker_->DidCreateNewFile(filename_); - parent_dir_ = FilePathToString(CreateFilePath(fname).DirName()); -} - -ChromiumWritableFile::~ChromiumWritableFile() { - if (file_ != NULL) { - // Ignoring any potential errors - fclose(file_); - } -} - -Status ChromiumWritableFile::SyncParent() { - Status s; -#if !defined(OS_WIN) - TRACE_EVENT0("leveldb", "SyncParent"); - - int parent_fd = - HANDLE_EINTR(open(parent_dir_.c_str(), O_RDONLY)); - if (parent_fd < 0) { - int saved_errno = errno; - return MakeIOError( - parent_dir_, strerror(saved_errno), kSyncParent, saved_errno); - } - if (HANDLE_EINTR(fsync(parent_fd)) != 0) { - int saved_errno = errno; - s = MakeIOError( - parent_dir_, strerror(saved_errno), kSyncParent, saved_errno); - }; - close(parent_fd); +base::FilePath ChromiumEnv::CreateFilePath(const std::string& file_path) { +#if defined(OS_WIN) + return base::FilePath(base::UTF8ToUTF16(file_path)); +#else + return base::FilePath(file_path); #endif - return s; } -Status ChromiumWritableFile::Append(const Slice& data) { - if (file_type_ == kManifest && tracker_->DoesDirNeedSync(filename_)) { - Status s = SyncParent(); - if (!s.ok()) - return s; - tracker_->DidSyncDir(filename_); - } - - size_t r = fwrite_unlocked(data.data(), 1, data.size(), file_); - if (r != data.size()) { - int saved_errno = errno; - uma_logger_->RecordOSError(kWritableFileAppend, saved_errno); - return MakeIOError( - filename_, strerror(saved_errno), kWritableFileAppend, saved_errno); - } - return Status::OK(); -} - -Status ChromiumWritableFile::Close() { - Status result; - if (fclose(file_) != 0) { - result = MakeIOError(filename_, strerror(errno), kWritableFileClose, errno); - uma_logger_->RecordErrorAt(kWritableFileClose); - } - file_ = NULL; - return result; -} - -Status ChromiumWritableFile::Flush() { - Status result; - if (HANDLE_EINTR(fflush_unlocked(file_))) { - int saved_errno = errno; - result = MakeIOError( - filename_, strerror(saved_errno), kWritableFileFlush, saved_errno); - uma_logger_->RecordOSError(kWritableFileFlush, saved_errno); - } - return result; -} - -static bool MakeBackup(const std::string& fname) { +bool ChromiumEnv::MakeBackup(const std::string& fname) { base::FilePath original_table_name = CreateFilePath(fname); base::FilePath backup_table_name = original_table_name.ReplaceExtension(backup_table_extension); return base::CopyFile(original_table_name, backup_table_name); } -Status ChromiumWritableFile::Sync() { - TRACE_EVENT0("leveldb", "ChromiumEnv::Sync"); - Status result; - int error = 0; - - if (HANDLE_EINTR(fflush_unlocked(file_))) - error = errno; - // Sync even if fflush gave an error; perhaps the data actually got out, - // even though something went wrong. - if (fdatasync(fileno(file_)) && !error) - error = errno; - // Report the first error we found. - if (error) { - result = MakeIOError(filename_, strerror(error), kWritableFileSync, error); - uma_logger_->RecordErrorAt(kWritableFileSync); - } else if (make_backup_ && file_type_ == kTable) { - bool success = MakeBackup(filename_); - uma_logger_->RecordBackupResult(success); - } - return result; +bool ChromiumEnv::HasTableExtension(const base::FilePath& path) +{ + return path.MatchesExtension(table_extension); } ChromiumEnv::ChromiumEnv() @@ -625,71 +363,51 @@ ChromiumEnv::~ChromiumEnv() { // a unit test that is deleted. } -Status ChromiumEnv::NewSequentialFile(const std::string& fname, - SequentialFile** result) { - FILE* f = fopen_internal(fname.c_str(), "rb"); - if (f == NULL) { - *result = NULL; - int saved_errno = errno; - RecordOSError(kNewSequentialFile, saved_errno); - return MakeIOError( - fname, strerror(saved_errno), kNewSequentialFile, saved_errno); - } else { - *result = new ChromiumSequentialFile(fname, f, this); - return Status::OK(); - } -} - -void ChromiumEnv::RecordOpenFilesLimit(const std::string& type) { -#if defined(OS_POSIX) - struct rlimit nofile; - if (getrlimit(RLIMIT_NOFILE, &nofile)) - return; - GetMaxFDHistogram(type)->Add(nofile.rlim_cur); -#endif -} - -Status ChromiumEnv::NewRandomAccessFile(const std::string& fname, - RandomAccessFile** result) { - int flags = ::base::PLATFORM_FILE_READ | ::base::PLATFORM_FILE_OPEN; - bool created; - ::base::PlatformFileError error_code; - ::base::PlatformFile file = ::base::CreatePlatformFile( - CreateFilePath(fname), flags, &created, &error_code); - if (error_code == ::base::PLATFORM_FILE_OK) { - *result = new ChromiumRandomAccessFile(fname, file, this); - RecordOpenFilesLimit("Success"); - return Status::OK(); - } - if (error_code == ::base::PLATFORM_FILE_ERROR_TOO_MANY_OPENED) - RecordOpenFilesLimit("TooManyOpened"); - else - RecordOpenFilesLimit("OtherError"); - *result = NULL; - RecordOSError(kNewRandomAccessFile, error_code); - return MakeIOError(fname, - PlatformFileErrorString(error_code), - kNewRandomAccessFile, - error_code); +bool ChromiumEnv::FileExists(const std::string& fname) { + return ::base::PathExists(CreateFilePath(fname)); } -Status ChromiumEnv::NewWritableFile(const std::string& fname, - WritableFile** result) { - *result = NULL; - FILE* f = fopen_internal(fname.c_str(), "wb"); - if (f == NULL) { - int saved_errno = errno; - RecordErrorAt(kNewWritableFile); - return MakeIOError( - fname, strerror(saved_errno), kNewWritableFile, saved_errno); - } else { - *result = new ChromiumWritableFile(fname, f, this, this, make_backup_); - return Status::OK(); +const char* ChromiumEnv::FileErrorString(::base::File::Error error) { + switch (error) { + case ::base::File::FILE_ERROR_FAILED: + return "No further details."; + case ::base::File::FILE_ERROR_IN_USE: + return "File currently in use."; + case ::base::File::FILE_ERROR_EXISTS: + return "File already exists."; + case ::base::File::FILE_ERROR_NOT_FOUND: + return "File not found."; + case ::base::File::FILE_ERROR_ACCESS_DENIED: + return "Access denied."; + case ::base::File::FILE_ERROR_TOO_MANY_OPENED: + return "Too many files open."; + case ::base::File::FILE_ERROR_NO_MEMORY: + return "Out of memory."; + case ::base::File::FILE_ERROR_NO_SPACE: + return "No space left on drive."; + case ::base::File::FILE_ERROR_NOT_A_DIRECTORY: + return "Not a directory."; + case ::base::File::FILE_ERROR_INVALID_OPERATION: + return "Invalid operation."; + case ::base::File::FILE_ERROR_SECURITY: + return "Security error."; + case ::base::File::FILE_ERROR_ABORT: + return "File operation aborted."; + case ::base::File::FILE_ERROR_NOT_A_FILE: + return "The supplied path was not a file."; + case ::base::File::FILE_ERROR_NOT_EMPTY: + return "The file was not empty."; + case ::base::File::FILE_ERROR_INVALID_URL: + return "Invalid URL."; + case ::base::File::FILE_ERROR_IO: + return "OS or hardware error."; + case ::base::File::FILE_OK: + return "OK."; + case ::base::File::FILE_ERROR_MAX: + NOTREACHED(); } -} - -bool ChromiumEnv::FileExists(const std::string& fname) { - return ::base::PathExists(CreateFilePath(fname)); + NOTIMPLEMENTED(); + return "Unknown error."; } base::FilePath ChromiumEnv::RestoreFromBackup(const base::FilePath& base_name) { @@ -745,68 +463,12 @@ void ChromiumEnv::RestoreIfNecessary(const std::string& dir, } } -namespace { -#if defined(OS_WIN) -static base::PlatformFileError GetDirectoryEntries( - const base::FilePath& dir_param, - std::vector<base::FilePath>* result) { - result->clear(); - base::FilePath dir_filepath = dir_param.Append(FILE_PATH_LITERAL("*")); - WIN32_FIND_DATA find_data; - HANDLE find_handle = FindFirstFile(dir_filepath.value().c_str(), &find_data); - if (find_handle == INVALID_HANDLE_VALUE) { - DWORD last_error = GetLastError(); - if (last_error == ERROR_FILE_NOT_FOUND) - return base::PLATFORM_FILE_OK; - return base::LastErrorToPlatformFileError(last_error); - } - do { - base::FilePath filepath(find_data.cFileName); - base::FilePath::StringType basename = filepath.BaseName().value(); - if (basename == FILE_PATH_LITERAL(".") || - basename == FILE_PATH_LITERAL("..")) - continue; - result->push_back(filepath.BaseName()); - } while (FindNextFile(find_handle, &find_data)); - DWORD last_error = GetLastError(); - base::PlatformFileError return_value = base::PLATFORM_FILE_OK; - if (last_error != ERROR_NO_MORE_FILES) - return_value = base::LastErrorToPlatformFileError(last_error); - FindClose(find_handle); - return return_value; -} -#else -static base::PlatformFileError GetDirectoryEntries( - const base::FilePath& dir_filepath, - std::vector<base::FilePath>* result) { - const std::string dir_string = FilePathToString(dir_filepath); - result->clear(); - DIR* dir = opendir(dir_string.c_str()); - if (!dir) - return base::ErrnoToPlatformFileError(errno); - struct dirent dent_buf; - struct dirent* dent; - int readdir_result; - while ((readdir_result = readdir_r(dir, &dent_buf, &dent)) == 0 && dent) { - if (strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) - continue; - result->push_back(CreateFilePath(dent->d_name)); - } - int saved_errno = errno; - closedir(dir); - if (readdir_result != 0) - return base::ErrnoToPlatformFileError(saved_errno); - return base::PLATFORM_FILE_OK; -} -#endif -} - Status ChromiumEnv::GetChildren(const std::string& dir_string, std::vector<std::string>* result) { std::vector<base::FilePath> entries; - base::PlatformFileError error = + base::File::Error error = GetDirectoryEntries(CreateFilePath(dir_string), &entries); - if (error != base::PLATFORM_FILE_OK) { + if (error != base::File::FILE_OK) { RecordOSError(kGetChildren, error); return MakeIOError( dir_string, "Could not open/read directory", kGetChildren, error); @@ -840,7 +502,7 @@ Status ChromiumEnv::DeleteFile(const std::string& fname) { Status ChromiumEnv::CreateDir(const std::string& name) { Status result; - base::PlatformFileError error = base::PLATFORM_FILE_OK; + base::File::Error error = base::File::FILE_OK; Retrier retrier(kCreateDir, this); do { if (base::CreateDirectoryAndGetError(CreateFilePath(name), &error)) @@ -882,82 +544,79 @@ Status ChromiumEnv::RenameFile(const std::string& src, const std::string& dst) { base::FilePath destination = CreateFilePath(dst); Retrier retrier(kRenameFile, this); - base::PlatformFileError error = base::PLATFORM_FILE_OK; + base::File::Error error = base::File::FILE_OK; do { if (base::ReplaceFile(src_file_path, destination, &error)) return result; } while (retrier.ShouldKeepTrying(error)); - DCHECK(error != base::PLATFORM_FILE_OK); + DCHECK(error != base::File::FILE_OK); RecordOSError(kRenameFile, error); char buf[100]; snprintf(buf, sizeof(buf), "Could not rename file: %s", - PlatformFileErrorString(error)); + FileErrorString(error)); return MakeIOError(src, buf, kRenameFile, error); } Status ChromiumEnv::LockFile(const std::string& fname, FileLock** lock) { *lock = NULL; Status result; - int flags = ::base::PLATFORM_FILE_OPEN_ALWAYS | - ::base::PLATFORM_FILE_READ | - ::base::PLATFORM_FILE_WRITE; - bool created; - ::base::PlatformFileError error_code; - ::base::PlatformFile file; + int flags = ::base::File::FLAG_OPEN_ALWAYS | + ::base::File::FLAG_READ | + ::base::File::FLAG_WRITE; + ::base::File::Error error_code; + ::base::File file; Retrier retrier(kLockFile, this); do { - file = ::base::CreatePlatformFile( - CreateFilePath(fname), flags, &created, &error_code); - } while (error_code != ::base::PLATFORM_FILE_OK && - retrier.ShouldKeepTrying(error_code)); - - if (error_code == ::base::PLATFORM_FILE_ERROR_NOT_FOUND) { - ::base::FilePath parent = CreateFilePath(fname).DirName(); - ::base::FilePath last_parent; - int num_missing_ancestors = 0; - do { - if (base::DirectoryExists(parent)) - break; - ++num_missing_ancestors; - last_parent = parent; - parent = parent.DirName(); - } while (parent != last_parent); - RecordLockFileAncestors(num_missing_ancestors); - } + file.Initialize(CreateFilePath(fname), flags); + if (!file.IsValid()) + error_code = file.error_details(); + } while (!file.IsValid() && retrier.ShouldKeepTrying(error_code)); + + if (!file.IsValid()) { + if (error_code == ::base::File::FILE_ERROR_NOT_FOUND) { + ::base::FilePath parent = CreateFilePath(fname).DirName(); + ::base::FilePath last_parent; + int num_missing_ancestors = 0; + do { + if (base::DirectoryExists(parent)) + break; + ++num_missing_ancestors; + last_parent = parent; + parent = parent.DirName(); + } while (parent != last_parent); + RecordLockFileAncestors(num_missing_ancestors); + } - if (error_code != ::base::PLATFORM_FILE_OK) { - result = MakeIOError( - fname, PlatformFileErrorString(error_code), kLockFile, error_code); + result = MakeIOError(fname, FileErrorString(error_code), kLockFile, + error_code); RecordOSError(kLockFile, error_code); return result; } if (!locks_.Insert(fname)) { result = MakeIOError(fname, "Lock file already locked.", kLockFile); - ::base::ClosePlatformFile(file); return result; } Retrier lock_retrier = Retrier(kLockFile, this); do { - error_code = ::base::LockPlatformFile(file); - } while (error_code != ::base::PLATFORM_FILE_OK && + error_code = file.Lock(); + } while (error_code != ::base::File::FILE_OK && retrier.ShouldKeepTrying(error_code)); - if (error_code != ::base::PLATFORM_FILE_OK) { - ::base::ClosePlatformFile(file); + if (error_code != ::base::File::FILE_OK) { locks_.Remove(fname); - result = MakeIOError( - fname, PlatformFileErrorString(error_code), kLockFile, error_code); + result = MakeIOError(fname, FileErrorString(error_code), kLockFile, + error_code); RecordOSError(kLockFile, error_code); return result; } ChromiumFileLock* my_lock = new ChromiumFileLock; - my_lock->file_ = file; + my_lock->file_ = file.Pass(); my_lock->name_ = fname; *lock = my_lock; return result; @@ -967,17 +626,11 @@ Status ChromiumEnv::UnlockFile(FileLock* lock) { ChromiumFileLock* my_lock = reinterpret_cast<ChromiumFileLock*>(lock); Status result; - ::base::PlatformFileError error_code = - ::base::UnlockPlatformFile(my_lock->file_); - if (error_code != ::base::PLATFORM_FILE_OK) { + ::base::File::Error error_code = my_lock->file_.Unlock(); + if (error_code != ::base::File::FILE_OK) { result = MakeIOError(my_lock->name_, "Could not unlock lock file.", kUnlockFile); RecordOSError(kUnlockFile, error_code); - ::base::ClosePlatformFile(my_lock->file_); - } else if (!::base::ClosePlatformFile(my_lock->file_)) { - result = - MakeIOError(my_lock->name_, "Could not close lock file.", kUnlockFile); - RecordErrorAt(kUnlockFile); } bool removed = locks_.Remove(my_lock->name_); DCHECK(removed); @@ -1001,19 +654,6 @@ Status ChromiumEnv::GetTestDirectory(std::string* path) { return Status::OK(); } -Status ChromiumEnv::NewLogger(const std::string& fname, Logger** result) { - FILE* f = fopen_internal(fname.c_str(), "w"); - if (f == NULL) { - *result = NULL; - int saved_errno = errno; - RecordOSError(kNewLogger, saved_errno); - return MakeIOError(fname, strerror(saved_errno), kNewLogger, saved_errno); - } else { - *result = new ChromiumLogger(f); - return Status::OK(); - } -} - uint64_t ChromiumEnv::NowMicros() { return ::base::TimeTicks::Now().ToInternalValue(); } @@ -1032,10 +672,10 @@ void ChromiumEnv::RecordLockFileAncestors(int num_missing_ancestors) const { } void ChromiumEnv::RecordOSError(MethodID method, - base::PlatformFileError error) const { + base::File::Error error) const { DCHECK(error < 0); RecordErrorAt(method); - GetOSErrorHistogram(method, -base::PLATFORM_FILE_ERROR_MAX)->Add(-error); + GetOSErrorHistogram(method, -base::File::FILE_ERROR_MAX)->Add(-error); } void ChromiumEnv::RecordOSError(MethodID method, int error) const { |