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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/breakpad/browser/crash_dump_manager_android.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/file_util.h" | |
| 9 #include "base/format_macros.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/posix/global_descriptors.h" | |
| 12 #include "base/process/process.h" | |
| 13 #include "base/rand_util.h" | |
| 14 #include "base/stl_util.h" | |
| 15 #include "base/strings/stringprintf.h" | |
| 16 #include "content/public/browser/browser_thread.h" | |
| 17 #include "content/public/browser/child_process_data.h" | |
| 18 #include "content/public/browser/file_descriptor_info.h" | |
| 19 #include "content/public/browser/notification_service.h" | |
| 20 #include "content/public/browser/notification_types.h" | |
| 21 #include "content/public/browser/render_process_host.h" | |
| 22 | |
| 23 using content::BrowserThread; | |
| 24 | |
| 25 namespace breakpad { | |
| 26 | |
| 27 // static | |
| 28 CrashDumpManager* CrashDumpManager::instance_ = NULL; | |
| 29 | |
| 30 // static | |
| 31 CrashDumpManager* CrashDumpManager::GetInstance() { | |
| 32 return instance_; | |
| 33 } | |
| 34 | |
| 35 CrashDumpManager::CrashDumpManager(const base::FilePath& crash_dump_dir) | |
| 36 : crash_dump_dir_(crash_dump_dir) { | |
| 37 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 38 DCHECK(!instance_); | |
| 39 | |
| 40 instance_ = this; | |
| 41 | |
| 42 notification_registrar_.Add(this, | |
| 43 content::NOTIFICATION_RENDERER_PROCESS_TERMINATED, | |
| 44 content::NotificationService::AllSources()); | |
| 45 notification_registrar_.Add(this, | |
| 46 content::NOTIFICATION_RENDERER_PROCESS_CLOSED, | |
| 47 content::NotificationService::AllSources()); | |
| 48 | |
| 49 BrowserChildProcessObserver::Add(this); | |
| 50 } | |
| 51 | |
| 52 CrashDumpManager::~CrashDumpManager() { | |
| 53 instance_ = NULL; | |
| 54 | |
| 55 BrowserChildProcessObserver::Remove(this); | |
| 56 } | |
| 57 | |
| 58 base::File CrashDumpManager::CreateMinidumpFile(int child_process_id) { | |
| 59 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::PROCESS_LAUNCHER)); | |
| 60 base::FilePath minidump_path; | |
| 61 if (!base::CreateTemporaryFile(&minidump_path)) | |
| 62 return base::File(); | |
| 63 | |
| 64 // We need read permission as the minidump is generated in several phases | |
| 65 // and needs to be read at some point. | |
| 66 int flags = base::File::FLAG_OPEN | base::File::FLAG_READ | | |
| 67 base::File::FLAG_WRITE; | |
| 68 base::File minidump_file(minidump_path, flags); | |
| 69 if (!minidump_file.IsValid()) { | |
| 70 LOG(ERROR) << "Failed to create temporary file, crash won't be reported."; | |
| 71 return base::File(); | |
| 72 } | |
| 73 | |
| 74 { | |
| 75 base::AutoLock auto_lock(child_process_id_to_minidump_path_lock_); | |
| 76 DCHECK(!ContainsKey(child_process_id_to_minidump_path_, child_process_id)); | |
| 77 child_process_id_to_minidump_path_[child_process_id] = minidump_path; | |
| 78 } | |
| 79 return minidump_file.Pass(); | |
| 80 } | |
| 81 | |
| 82 // static | |
| 83 void CrashDumpManager::ProcessMinidump(const base::FilePath& minidump_path, | |
| 84 base::ProcessHandle pid) { | |
| 85 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE)); | |
| 86 int64 file_size = 0; | |
| 87 int r = base::GetFileSize(minidump_path, &file_size); | |
| 88 DCHECK(r) << "Failed to retrieve size for minidump " | |
| 89 << minidump_path.value(); | |
| 90 | |
| 91 if (file_size == 0) { | |
| 92 // Empty minidump, this process did not crash. Just remove the file. | |
| 93 r = base::DeleteFile(minidump_path, false); | |
| 94 DCHECK(r) << "Failed to delete temporary minidump file " | |
| 95 << minidump_path.value(); | |
| 96 return; | |
| 97 } | |
| 98 | |
| 99 // We are dealing with a valid minidump. Copy it to the crash report | |
| 100 // directory from where Java code will upload it later on. | |
| 101 if (instance_->crash_dump_dir_.empty()) { | |
| 102 NOTREACHED() << "Failed to retrieve the crash dump directory."; | |
| 103 return; | |
| 104 } | |
| 105 const uint64 rand = base::RandUint64(); | |
| 106 const std::string filename = | |
| 107 base::StringPrintf("chromium-renderer-minidump-%016" PRIx64 ".dmp%d", | |
| 108 rand, pid); | |
| 109 base::FilePath dest_path = instance_->crash_dump_dir_.Append(filename); | |
| 110 r = base::Move(minidump_path, dest_path); | |
| 111 if (!r) { | |
| 112 LOG(ERROR) << "Failed to move crash dump from " << minidump_path.value() | |
| 113 << " to " << dest_path.value(); | |
| 114 base::DeleteFile(minidump_path, false); | |
| 115 return; | |
| 116 } | |
| 117 VLOG(1) << "Crash minidump successfully generated: " << | |
| 118 instance_->crash_dump_dir_.Append(filename).value(); | |
| 119 } | |
| 120 | |
| 121 void CrashDumpManager::BrowserChildProcessHostDisconnected( | |
| 122 const content::ChildProcessData& data) { | |
| 123 OnChildExit(data.id, data.handle); | |
| 124 } | |
| 125 | |
| 126 void CrashDumpManager::BrowserChildProcessCrashed( | |
| 127 const content::ChildProcessData& data) { | |
| 128 OnChildExit(data.id, data.handle); | |
| 129 } | |
| 130 | |
| 131 void CrashDumpManager::Observe(int type, | |
| 132 const content::NotificationSource& source, | |
| 133 const content::NotificationDetails& details) { | |
| 134 switch (type) { | |
| 135 case content::NOTIFICATION_RENDERER_PROCESS_TERMINATED: | |
| 136 // NOTIFICATION_RENDERER_PROCESS_TERMINATED is sent when the renderer | |
| 137 // process is cleanly shutdown. However, we need to fallthrough so that | |
| 138 // we close the minidump_fd we kept open. | |
| 139 case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: { | |
| 140 content::RenderProcessHost* rph = | |
| 141 content::Source<content::RenderProcessHost>(source).ptr(); | |
| 142 OnChildExit(rph->GetID(), rph->GetHandle()); | |
| 143 break; | |
| 144 } | |
| 145 default: | |
| 146 NOTREACHED(); | |
| 147 return; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 void CrashDumpManager::OnChildExit(int child_process_id, | |
| 152 base::ProcessHandle pid) { | |
| 153 base::FilePath minidump_path; | |
| 154 { | |
| 155 base::AutoLock auto_lock(child_process_id_to_minidump_path_lock_); | |
| 156 ChildProcessIDToMinidumpPath::iterator iter = | |
| 157 child_process_id_to_minidump_path_.find(child_process_id); | |
| 158 if (iter == child_process_id_to_minidump_path_.end()) { | |
| 159 // We might get a NOTIFICATION_RENDERER_PROCESS_TERMINATED and a | |
| 160 // NOTIFICATION_RENDERER_PROCESS_CLOSED. | |
| 161 return; | |
| 162 } | |
| 163 minidump_path = iter->second; | |
| 164 child_process_id_to_minidump_path_.erase(iter); | |
| 165 } | |
| 166 BrowserThread::PostTask( | |
| 167 BrowserThread::FILE, FROM_HERE, | |
| 168 base::Bind(&CrashDumpManager::ProcessMinidump, minidump_path, pid)); | |
| 169 } | |
| 170 | |
| 171 } // namespace breakpad | |
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Chromium Code Reviews
Issue 485893007:
Rename components/breakpad to components/crash. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src