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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 "mojo/runner/context.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <utility> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "base/bind.h" | |
| 14 #include "base/command_line.h" | |
| 15 #include "base/files/file_path.h" | |
| 16 #include "base/i18n/icu_util.h" | |
| 17 #include "base/lazy_instance.h" | |
| 18 #include "base/macros.h" | |
| 19 #include "base/memory/scoped_ptr.h" | |
| 20 #include "base/path_service.h" | |
| 21 #include "base/process/process_info.h" | |
| 22 #include "base/run_loop.h" | |
| 23 #include "base/strings/string_number_conversions.h" | |
| 24 #include "base/strings/string_split.h" | |
| 25 #include "base/strings/string_util.h" | |
| 26 #include "base/trace_event/trace_event.h" | |
| 27 #include "build/build_config.h" | |
| 28 #include "components/devtools_service/public/cpp/switches.h" | |
| 29 #include "components/devtools_service/public/interfaces/devtools_service.mojom.h
" | |
| 30 #include "components/tracing/tracing_switches.h" | |
| 31 #include "mojo/public/cpp/bindings/strong_binding.h" | |
| 32 #include "mojo/runner/register_local_aliases.h" | |
| 33 #include "mojo/runner/switches.h" | |
| 34 #include "mojo/runner/tracer.h" | |
| 35 #include "mojo/services/tracing/public/cpp/switches.h" | |
| 36 #include "mojo/services/tracing/public/cpp/trace_provider_impl.h" | |
| 37 #include "mojo/services/tracing/public/cpp/tracing_impl.h" | |
| 38 #include "mojo/services/tracing/public/interfaces/tracing.mojom.h" | |
| 39 #include "mojo/shell/application_loader.h" | |
| 40 #include "mojo/shell/connect_to_application_params.h" | |
| 41 #include "mojo/shell/package_manager/package_manager_impl.h" | |
| 42 #include "mojo/shell/public/cpp/application_connection.h" | |
| 43 #include "mojo/shell/public/cpp/application_delegate.h" | |
| 44 #include "mojo/shell/public/cpp/application_impl.h" | |
| 45 #include "mojo/shell/query_util.h" | |
| 46 #include "mojo/shell/runner/host/in_process_native_runner.h" | |
| 47 #include "mojo/shell/runner/host/out_of_process_native_runner.h" | |
| 48 #include "mojo/shell/switches.h" | |
| 49 #include "mojo/util/filename_util.h" | |
| 50 #include "third_party/mojo/src/mojo/edk/embedder/embedder.h" | |
| 51 #include "url/gurl.h" | |
| 52 | |
| 53 namespace mojo { | |
| 54 namespace runner { | |
| 55 namespace { | |
| 56 | |
| 57 // Used to ensure we only init once. | |
| 58 class Setup { | |
| 59 public: | |
| 60 Setup() { | |
| 61 embedder::PreInitializeParentProcess(); | |
| 62 embedder::Init(); | |
| 63 } | |
| 64 | |
| 65 ~Setup() {} | |
| 66 | |
| 67 private: | |
| 68 DISALLOW_COPY_AND_ASSIGN(Setup); | |
| 69 }; | |
| 70 | |
| 71 void InitContentHandlers(shell::PackageManagerImpl* manager, | |
| 72 const base::CommandLine& command_line) { | |
| 73 // Default content handlers. | |
| 74 manager->RegisterContentHandler("application/javascript", | |
| 75 GURL("mojo:html_viewer")); | |
| 76 manager->RegisterContentHandler("application/pdf", GURL("mojo:pdf_viewer")); | |
| 77 manager->RegisterContentHandler("image/gif", GURL("mojo:html_viewer")); | |
| 78 manager->RegisterContentHandler("image/jpeg", GURL("mojo:html_viewer")); | |
| 79 manager->RegisterContentHandler("image/png", GURL("mojo:html_viewer")); | |
| 80 manager->RegisterContentHandler("text/css", GURL("mojo:html_viewer")); | |
| 81 manager->RegisterContentHandler("text/html", GURL("mojo:html_viewer")); | |
| 82 manager->RegisterContentHandler("text/plain", GURL("mojo:html_viewer")); | |
| 83 | |
| 84 // Command-line-specified content handlers. | |
| 85 std::string handlers_spec = | |
| 86 command_line.GetSwitchValueASCII(switches::kContentHandlers); | |
| 87 if (handlers_spec.empty()) | |
| 88 return; | |
| 89 | |
| 90 #if defined(OS_ANDROID) | |
| 91 // TODO(eseidel): On Android we pass command line arguments is via the | |
| 92 // 'parameters' key on the intent, which we specify during 'am shell start' | |
| 93 // via --esa, however that expects comma-separated values and says: | |
| 94 // am shell --help: | |
| 95 // [--esa <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]] | |
| 96 // (to embed a comma into a string escape it using "\,") | |
| 97 // Whatever takes 'parameters' and constructs a CommandLine is failing to | |
| 98 // un-escape the commas, we need to move this fix to that file. | |
| 99 base::ReplaceSubstringsAfterOffset(&handlers_spec, 0, "\\,", ","); | |
| 100 #endif | |
| 101 | |
| 102 std::vector<std::string> parts = base::SplitString( | |
| 103 handlers_spec, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); | |
| 104 if (parts.size() % 2 != 0) { | |
| 105 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 106 << ": must be a comma-separated list of mimetype/url pairs." | |
| 107 << handlers_spec; | |
| 108 return; | |
| 109 } | |
| 110 | |
| 111 for (size_t i = 0; i < parts.size(); i += 2) { | |
| 112 GURL url(parts[i + 1]); | |
| 113 if (!url.is_valid()) { | |
| 114 LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers | |
| 115 << ": '" << parts[i + 1] << "' is not a valid URL."; | |
| 116 return; | |
| 117 } | |
| 118 // TODO(eseidel): We should also validate that the mimetype is valid | |
| 119 // net/base/mime_util.h could do this, but we don't want to depend on net. | |
| 120 manager->RegisterContentHandler(parts[i], url); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 void InitDevToolsServiceIfNeeded(shell::ApplicationManager* manager, | |
| 125 const base::CommandLine& command_line) { | |
| 126 if (!command_line.HasSwitch(devtools_service::kRemoteDebuggingPort)) | |
| 127 return; | |
| 128 | |
| 129 std::string port_str = | |
| 130 command_line.GetSwitchValueASCII(devtools_service::kRemoteDebuggingPort); | |
| 131 unsigned port; | |
| 132 if (!base::StringToUint(port_str, &port) || port > 65535) { | |
| 133 LOG(ERROR) << "Invalid value for switch " | |
| 134 << devtools_service::kRemoteDebuggingPort << ": '" << port_str | |
| 135 << "' is not a valid port number."; | |
| 136 return; | |
| 137 } | |
| 138 | |
| 139 ServiceProviderPtr devtools_service_provider; | |
| 140 scoped_ptr<shell::ConnectToApplicationParams> params( | |
| 141 new shell::ConnectToApplicationParams); | |
| 142 params->set_source(shell::Identity(GURL("mojo:shell"), std::string(), | |
| 143 shell::GetPermissiveCapabilityFilter())); | |
| 144 params->SetTarget(shell::Identity(GURL("mojo:devtools_service"), | |
| 145 std::string(), | |
| 146 shell::GetPermissiveCapabilityFilter())); | |
| 147 params->set_services(GetProxy(&devtools_service_provider)); | |
| 148 manager->ConnectToApplication(std::move(params)); | |
| 149 | |
| 150 devtools_service::DevToolsCoordinatorPtr devtools_coordinator; | |
| 151 devtools_service_provider->ConnectToService( | |
| 152 devtools_service::DevToolsCoordinator::Name_, | |
| 153 GetProxy(&devtools_coordinator).PassMessagePipe()); | |
| 154 devtools_coordinator->Initialize(static_cast<uint16_t>(port)); | |
| 155 } | |
| 156 | |
| 157 class TracingServiceProvider : public ServiceProvider { | |
| 158 public: | |
| 159 TracingServiceProvider(Tracer* tracer, | |
| 160 InterfaceRequest<ServiceProvider> request) | |
| 161 : tracer_(tracer), binding_(this, std::move(request)) {} | |
| 162 ~TracingServiceProvider() override {} | |
| 163 | |
| 164 void ConnectToService(const mojo::String& service_name, | |
| 165 ScopedMessagePipeHandle client_handle) override { | |
| 166 if (tracer_ && service_name == tracing::TraceProvider::Name_) { | |
| 167 tracer_->ConnectToProvider( | |
| 168 MakeRequest<tracing::TraceProvider>(std::move(client_handle))); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 private: | |
| 173 Tracer* tracer_; | |
| 174 StrongBinding<ServiceProvider> binding_; | |
| 175 | |
| 176 DISALLOW_COPY_AND_ASSIGN(TracingServiceProvider); | |
| 177 }; | |
| 178 | |
| 179 } // namespace | |
| 180 | |
| 181 Context::Context() | |
| 182 : package_manager_(nullptr), main_entry_time_(base::Time::Now()) {} | |
| 183 | |
| 184 Context::~Context() { | |
| 185 DCHECK(!base::MessageLoop::current()); | |
| 186 } | |
| 187 | |
| 188 // static | |
| 189 void Context::EnsureEmbedderIsInitialized() { | |
| 190 static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER; | |
| 191 setup.Get(); | |
| 192 } | |
| 193 | |
| 194 bool Context::Init(const base::FilePath& shell_file_root) { | |
| 195 TRACE_EVENT0("mojo_shell", "Context::Init"); | |
| 196 const base::CommandLine& command_line = | |
| 197 *base::CommandLine::ForCurrentProcess(); | |
| 198 | |
| 199 bool trace_startup = command_line.HasSwitch(switches::kTraceStartup); | |
| 200 if (trace_startup) { | |
| 201 tracer_.Start( | |
| 202 command_line.GetSwitchValueASCII(switches::kTraceStartup), | |
| 203 command_line.GetSwitchValueASCII(switches::kTraceStartupDuration), | |
| 204 "mojo_runner.trace"); | |
| 205 } | |
| 206 | |
| 207 // ICU data is a thing every part of the system needs. This here warms | |
| 208 // up the copy of ICU in the mojo runner. | |
| 209 CHECK(base::i18n::InitializeICU()); | |
| 210 | |
| 211 EnsureEmbedderIsInitialized(); | |
| 212 task_runners_.reset( | |
| 213 new TaskRunners(base::MessageLoop::current()->task_runner())); | |
| 214 | |
| 215 // TODO(vtl): This should be MASTER, not NONE. | |
| 216 embedder::InitIPCSupport(embedder::ProcessType::NONE, this, | |
| 217 task_runners_->io_runner(), | |
| 218 embedder::ScopedPlatformHandle()); | |
| 219 | |
| 220 package_manager_ = new shell::PackageManagerImpl( | |
| 221 shell_file_root, task_runners_->blocking_pool()); | |
| 222 InitContentHandlers(package_manager_, command_line); | |
| 223 | |
| 224 RegisterLocalAliases(package_manager_); | |
| 225 | |
| 226 scoped_ptr<shell::NativeRunnerFactory> runner_factory; | |
| 227 if (command_line.HasSwitch(switches::kMojoSingleProcess)) { | |
| 228 #if defined(COMPONENT_BUILD) | |
| 229 LOG(ERROR) << "Running Mojo in single process component build, which isn't " | |
| 230 << "supported because statics in apps interact. Use static build" | |
| 231 << " or don't pass --single-process."; | |
| 232 #endif | |
| 233 runner_factory.reset(new shell::InProcessNativeRunnerFactory( | |
| 234 task_runners_->blocking_pool())); | |
| 235 } else { | |
| 236 runner_factory.reset(new shell::OutOfProcessNativeRunnerFactory( | |
| 237 task_runners_->blocking_pool())); | |
| 238 } | |
| 239 application_manager_.reset(new shell::ApplicationManager( | |
| 240 make_scoped_ptr(package_manager_), std::move(runner_factory), | |
| 241 task_runners_->blocking_pool())); | |
| 242 | |
| 243 ServiceProviderPtr tracing_services; | |
| 244 ServiceProviderPtr tracing_exposed_services; | |
| 245 new TracingServiceProvider(&tracer_, GetProxy(&tracing_exposed_services)); | |
| 246 | |
| 247 scoped_ptr<shell::ConnectToApplicationParams> params( | |
| 248 new shell::ConnectToApplicationParams); | |
| 249 params->set_source(shell::Identity(GURL("mojo:shell"), std::string(), | |
| 250 shell::GetPermissiveCapabilityFilter())); | |
| 251 params->SetTarget(shell::Identity(GURL("mojo:tracing"), std::string(), | |
| 252 shell::GetPermissiveCapabilityFilter())); | |
| 253 params->set_services(GetProxy(&tracing_services)); | |
| 254 params->set_exposed_services(std::move(tracing_exposed_services)); | |
| 255 application_manager_->ConnectToApplication(std::move(params)); | |
| 256 | |
| 257 if (command_line.HasSwitch(tracing::kTraceStartup)) { | |
| 258 tracing::TraceCollectorPtr coordinator; | |
| 259 auto coordinator_request = GetProxy(&coordinator); | |
| 260 tracing_services->ConnectToService(tracing::TraceCollector::Name_, | |
| 261 coordinator_request.PassMessagePipe()); | |
| 262 tracer_.StartCollectingFromTracingService(std::move(coordinator)); | |
| 263 } | |
| 264 | |
| 265 // Record the shell startup metrics used for performance testing. | |
| 266 if (base::CommandLine::ForCurrentProcess()->HasSwitch( | |
| 267 tracing::kEnableStatsCollectionBindings)) { | |
| 268 tracing::StartupPerformanceDataCollectorPtr collector; | |
| 269 tracing_services->ConnectToService( | |
| 270 tracing::StartupPerformanceDataCollector::Name_, | |
| 271 GetProxy(&collector).PassMessagePipe()); | |
| 272 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX) | |
| 273 // CurrentProcessInfo::CreationTime is only defined on some platforms. | |
| 274 const base::Time creation_time = base::CurrentProcessInfo::CreationTime(); | |
| 275 collector->SetShellProcessCreationTime(creation_time.ToInternalValue()); | |
| 276 #endif | |
| 277 collector->SetShellMainEntryPointTime(main_entry_time_.ToInternalValue()); | |
| 278 } | |
| 279 | |
| 280 InitDevToolsServiceIfNeeded(application_manager_.get(), command_line); | |
| 281 | |
| 282 return true; | |
| 283 } | |
| 284 | |
| 285 void Context::Shutdown() { | |
| 286 // Actions triggered by ApplicationManager's destructor may require a current | |
| 287 // message loop, so we should destruct it explicitly now as ~Context() occurs | |
| 288 // post message loop shutdown. | |
| 289 application_manager_.reset(); | |
| 290 | |
| 291 TRACE_EVENT0("mojo_shell", "Context::Shutdown"); | |
| 292 DCHECK_EQ(base::MessageLoop::current()->task_runner(), | |
| 293 task_runners_->shell_runner()); | |
| 294 // Post a task in case OnShutdownComplete is called synchronously. | |
| 295 base::MessageLoop::current()->PostTask( | |
| 296 FROM_HERE, base::Bind(embedder::ShutdownIPCSupport)); | |
| 297 // We'll quit when we get OnShutdownComplete(). | |
| 298 base::MessageLoop::current()->Run(); | |
| 299 } | |
| 300 | |
| 301 void Context::OnShutdownComplete() { | |
| 302 DCHECK_EQ(base::MessageLoop::current()->task_runner(), | |
| 303 task_runners_->shell_runner()); | |
| 304 base::MessageLoop::current()->QuitWhenIdle(); | |
| 305 } | |
| 306 | |
| 307 void Context::Run(const GURL& url) { | |
| 308 DCHECK(app_complete_callback_.is_null()); | |
| 309 ServiceProviderPtr services; | |
| 310 ServiceProviderPtr exposed_services; | |
| 311 | |
| 312 app_urls_.insert(url); | |
| 313 | |
| 314 scoped_ptr<shell::ConnectToApplicationParams> params( | |
| 315 new shell::ConnectToApplicationParams); | |
| 316 params->SetTarget(shell::Identity(url, std::string(), | |
| 317 shell::GetPermissiveCapabilityFilter())); | |
| 318 params->set_services(GetProxy(&services)); | |
| 319 params->set_exposed_services(std::move(exposed_services)); | |
| 320 params->set_on_application_end( | |
| 321 base::Bind(&Context::OnApplicationEnd, base::Unretained(this), url)); | |
| 322 application_manager_->ConnectToApplication(std::move(params)); | |
| 323 } | |
| 324 | |
| 325 void Context::RunCommandLineApplication(const base::Closure& callback) { | |
| 326 DCHECK(app_urls_.empty()); | |
| 327 DCHECK(app_complete_callback_.is_null()); | |
| 328 base::CommandLine* command_line = base::CommandLine::ForCurrentProcess(); | |
| 329 base::CommandLine::StringVector args = command_line->GetArgs(); | |
| 330 for (size_t i = 0; i < args.size(); ++i) { | |
| 331 GURL possible_app(args[i]); | |
| 332 if (possible_app.SchemeIs("mojo")) { | |
| 333 Run(possible_app); | |
| 334 app_complete_callback_ = callback; | |
| 335 break; | |
| 336 } | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 void Context::OnApplicationEnd(const GURL& url) { | |
| 341 if (app_urls_.find(url) != app_urls_.end()) { | |
| 342 app_urls_.erase(url); | |
| 343 if (app_urls_.empty() && base::MessageLoop::current()->is_running()) { | |
| 344 DCHECK_EQ(base::MessageLoop::current()->task_runner(), | |
| 345 task_runners_->shell_runner()); | |
| 346 if (app_complete_callback_.is_null()) { | |
| 347 base::MessageLoop::current()->QuitWhenIdle(); | |
| 348 } else { | |
| 349 app_complete_callback_.Run(); | |
| 350 } | |
| 351 } | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 } // namespace runner | |
| 356 } // namespace mojo | |
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Chromium Code Reviews
Issue 1630823002:
Move mojo/runner to mojo/shell/standalone (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master