| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/media/webrtc_log_util.h" |
| |
| #include "base/file_util.h" |
| #include "base/files/file_enumerator.h" |
| #include "base/logging.h" |
| #include "base/time/time.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/media/webrtc_log_list.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/profiles/profile_manager.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| namespace { |
| |
| const int kDaysToKeepLogs = 5; |
| |
| // Remove any empty entries from the log list. One line is one log entry, see |
| // WebRtcLogUploader::AddLocallyStoredLogInfoToUploadListFile for more |
| // information about the format. |
| void RemoveEmptyEntriesInLogList(std::string* log_list) { |
| static const char kEmptyLine[] = ",,\n"; |
| size_t pos = 0; |
| do { |
| pos = log_list->find(kEmptyLine, pos); |
| if (pos == std::string::npos) |
| break; |
| DCHECK(pos == 0 || (*log_list)[pos - 1] == '\n'); |
| log_list->erase(pos, arraysize(kEmptyLine) - 1); |
| } while (true); |
| } |
| |
| } // namespace |
| |
| // static |
| void WebRtcLogUtil::DeleteOldWebRtcLogFiles(const base::FilePath& log_dir) { |
| DeleteOldAndRecentWebRtcLogFiles(log_dir, base::Time::Max()); |
| } |
| |
| // static |
| void WebRtcLogUtil::DeleteOldAndRecentWebRtcLogFiles( |
| const base::FilePath& log_dir, |
| const base::Time& delete_begin_time) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE)); |
| |
| if (!base::PathExists(log_dir)) { |
| // This will happen if no logs have been stored or uploaded. |
| DVLOG(3) << "Could not find directory: " << log_dir.value(); |
| return; |
| } |
| |
| const base::Time now = base::Time::Now(); |
| const base::TimeDelta time_to_keep_logs = |
| base::TimeDelta::FromDays(kDaysToKeepLogs); |
| |
| base::FilePath log_list_path = |
| WebRtcLogList::GetWebRtcLogListFileForDirectory(log_dir); |
| std::string log_list; |
| const bool update_log_list = base::PathExists(log_list_path); |
| if (update_log_list) { |
| bool read_ok = base::ReadFileToString(log_list_path, &log_list); |
| DPCHECK(read_ok); |
| } |
| |
| base::FileEnumerator log_files(log_dir, false, base::FileEnumerator::FILES); |
| bool delete_ok = true; |
| for (base::FilePath name = log_files.Next(); !name.empty(); |
| name = log_files.Next()) { |
| if (name == log_list_path) |
| continue; |
| base::FileEnumerator::FileInfo file_info(log_files.GetInfo()); |
| base::TimeDelta file_age = now - file_info.GetLastModifiedTime(); |
| if (file_age > time_to_keep_logs || |
| (!delete_begin_time.is_max() && |
| file_info.GetLastModifiedTime() > delete_begin_time)) { |
| if (!base::DeleteFile(name, false)) |
| delete_ok = false; |
| |
| // Remove the local ID from the log list file. The ID is guaranteed to be |
| // unique. |
| std::string id = file_info.GetName().RemoveExtension().MaybeAsASCII(); |
| size_t id_pos = log_list.find(id); |
| if (id_pos == std::string::npos) |
| continue; |
| log_list.erase(id_pos, id.size()); |
| } |
| } |
| |
| if (!delete_ok) |
| LOG(WARNING) << "Could not delete all old WebRTC logs."; |
| |
| RemoveEmptyEntriesInLogList(&log_list); |
| |
| if (update_log_list) { |
| int written = base::WriteFile(log_list_path, &log_list[0], log_list.size()); |
| DPCHECK(written == static_cast<int>(log_list.size())); |
| } |
| } |
| |
| // static |
| void WebRtcLogUtil::DeleteOldWebRtcLogFilesForAllProfiles() { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| |
| ProfileInfoCache& profile_cache = |
| g_browser_process->profile_manager()->GetProfileInfoCache(); |
| size_t profiles_count = profile_cache.GetNumberOfProfiles(); |
| for (size_t i = 0; i < profiles_count; ++i) { |
| content::BrowserThread::PostTask( |
| content::BrowserThread::FILE, |
| FROM_HERE, |
| base::Bind(&DeleteOldWebRtcLogFiles, |
| WebRtcLogList::GetWebRtcLogDirectoryForProfile( |
| profile_cache.GetPathOfProfileAtIndex(i)))); |
| } |
| } |