| // Copyright 2017 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "starboard/shared/win32/log_file_impl.h" |
| |
| #include <string> |
| |
| #include "starboard/file.h" |
| #include "starboard/memory.h" |
| #include "starboard/mutex.h" |
| #include "starboard/once.h" |
| #include "starboard/shared/win32/file_internal.h" |
| #include "starboard/string.h" |
| |
| namespace { |
| |
| SbMutex log_mutex = SB_MUTEX_INITIALIZER; |
| SbFile log_file = kSbFileInvalid; |
| |
| // SbMutex is not reentrant, so factor out close log file functionality for use |
| // by other functions. |
| void CloseLogFileWithoutLock() { |
| if (SbFileIsValid(log_file)) { |
| SbFileFlush(log_file); |
| SbFileClose(log_file); |
| log_file = kSbFileInvalid; |
| } |
| } |
| |
| } // namespace |
| |
| namespace starboard { |
| namespace shared { |
| namespace win32 { |
| |
| void CloseLogFile() { |
| SbMutexAcquire(&log_mutex); |
| CloseLogFileWithoutLock(); |
| SbMutexRelease(&log_mutex); |
| } |
| |
| void OpenLogInCacheDirectory(const char* log_file_name, int creation_flags) { |
| SB_DCHECK((creation_flags & kSbFileOpenAlways) || |
| (creation_flags & kSbFileCreateAlways)); |
| SB_DCHECK(SbStringGetLength(log_file_name) != 0); |
| SB_DCHECK(SbStringFindCharacter(log_file_name, SB_FILE_SEP_CHAR) == nullptr); |
| char out_path[SB_FILE_MAX_PATH + 1]; |
| out_path[0] = '\0'; |
| |
| if (!SbSystemGetPath(kSbSystemPathCacheDirectory, out_path, |
| SB_ARRAY_SIZE_INT(out_path))) { |
| return; |
| } |
| |
| const int path_size = SB_ARRAY_SIZE_INT(out_path); |
| if (SbStringConcat(out_path, SB_FILE_SEP_STRING, path_size) >= path_size) { |
| return; |
| } |
| if (SbStringConcat(out_path, log_file_name, path_size) >= path_size) { |
| return; |
| } |
| |
| OpenLogFile(out_path, creation_flags); |
| } |
| |
| void OpenLogFile(const char* path, const int creation_flags) { |
| SB_DCHECK((creation_flags & kSbFileOpenAlways) || |
| (creation_flags & kSbFileCreateAlways)); |
| SB_DLOG(INFO) << "Logging to [" << path << "]"; |
| |
| int flags = creation_flags | kSbFileWrite; |
| |
| SbMutexAcquire(&log_mutex); |
| CloseLogFileWithoutLock(); |
| if ((path != nullptr) && (path[0] != '\0')) { |
| log_file = SbFileOpen(path, flags, nullptr, nullptr); |
| SB_DCHECK(SbFileIsValid(log_file)); |
| } |
| |
| SbMutexRelease(&log_mutex); |
| } |
| |
| void WriteToLogFile(const char* text, const int text_length) { |
| if (text_length <= 0) { |
| return; |
| } |
| SbMutexAcquire(&log_mutex); |
| if (!SbFileIsValid(log_file)) { |
| SbMutexRelease(&log_mutex); |
| return; |
| } |
| |
| int bytes_written = SbFileWriteAll(log_file, text, text_length); |
| SB_DCHECK(text_length == bytes_written); |
| |
| SbFileFlush(log_file); |
| SbMutexRelease(&log_mutex); |
| } |
| |
| } // namespace win32 |
| } // namespace shared |
| } // namespace starboard |