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| 1 // Copyright 2014 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 "services/shell/public/cpp/service_runner.h" | |
| 6 | |
| 7 #include "base/at_exit.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/command_line.h" | |
| 10 #include "base/message_loop/message_loop.h" | |
| 11 #include "base/process/launch.h" | |
| 12 #include "base/run_loop.h" | |
| 13 #include "services/shell/public/cpp/service.h" | |
| 14 #include "services/shell/public/cpp/service_context.h" | |
| 15 | |
| 16 namespace shell { | |
| 17 | |
| 18 int g_service_runner_argc; | |
| 19 const char* const* g_service_runner_argv; | |
| 20 | |
| 21 ServiceRunner::ServiceRunner(Service* service) | |
| 22 : service_(base::WrapUnique(service)), | |
| 23 message_loop_type_(base::MessageLoop::TYPE_DEFAULT), | |
| 24 has_run_(false) {} | |
| 25 | |
| 26 ServiceRunner::~ServiceRunner() {} | |
| 27 | |
| 28 void ServiceRunner::InitBaseCommandLine() { | |
| 29 base::CommandLine::Init(g_service_runner_argc, g_service_runner_argv); | |
| 30 } | |
| 31 | |
| 32 void ServiceRunner::set_message_loop_type(base::MessageLoop::Type type) { | |
| 33 DCHECK_NE(base::MessageLoop::TYPE_CUSTOM, type); | |
| 34 DCHECK(!has_run_); | |
| 35 | |
| 36 message_loop_type_ = type; | |
| 37 } | |
| 38 | |
| 39 MojoResult ServiceRunner::Run(MojoHandle service_request_handle, | |
| 40 bool init_base) { | |
| 41 DCHECK(!has_run_); | |
| 42 has_run_ = true; | |
| 43 | |
| 44 std::unique_ptr<base::AtExitManager> at_exit; | |
| 45 if (init_base) { | |
| 46 InitBaseCommandLine(); | |
| 47 at_exit.reset(new base::AtExitManager); | |
| 48 } | |
| 49 | |
| 50 { | |
| 51 std::unique_ptr<base::MessageLoop> loop; | |
| 52 loop.reset(new base::MessageLoop(message_loop_type_)); | |
| 53 | |
| 54 std::unique_ptr<ServiceContext> context(new ServiceContext( | |
| 55 service_.get(), | |
| 56 mojo::MakeRequest<mojom::Service>(mojo::MakeScopedHandle( | |
| 57 mojo::MessagePipeHandle(service_request_handle))))); | |
| 58 base::RunLoop run_loop; | |
| 59 context->SetConnectionLostClosure(run_loop.QuitClosure()); | |
| 60 service_->set_context(std::move(context)); | |
| 61 run_loop.Run(); | |
| 62 // It's very common for the service to cache the app and terminate on | |
| 63 // errors. If we don't delete the service before the app we run the risk of | |
| 64 // the service having a stale reference to the app and trying to use it. | |
| 65 // Note that we destruct the message loop first because that might trigger | |
| 66 // connection error handlers and they might access objects created by the | |
| 67 // service. | |
| 68 loop.reset(); | |
| 69 service_.reset(); | |
| 70 } | |
| 71 return MOJO_RESULT_OK; | |
| 72 } | |
| 73 | |
| 74 MojoResult ServiceRunner::Run(MojoHandle service_request_handle) { | |
| 75 bool init_base = true; | |
| 76 if (base::CommandLine::InitializedForCurrentProcess()) { | |
| 77 init_base = | |
| 78 !base::CommandLine::ForCurrentProcess()->HasSwitch("single-process"); | |
| 79 } | |
| 80 return Run(service_request_handle, init_base); | |
| 81 } | |
| 82 | |
| 83 void ServiceRunner::DestroyServiceContext() { | |
| 84 service_->set_context(std::unique_ptr<ServiceContext>()); | |
| 85 } | |
| 86 | |
| 87 void ServiceRunner::Quit() { | |
| 88 base::MessageLoop::current()->QuitWhenIdle(); | |
| 89 } | |
| 90 | |
| 91 } // namespace shell | |
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Chromium Code Reviews
Issue 2419723002:
Move services/shell to services/service_manager (Closed)
