OLD | NEW |
| (Empty) |
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 "content/renderer/service_worker/embedded_worker_dispatcher.h" | |
6 | |
7 #include <memory> | |
8 #include <utility> | |
9 | |
10 #include "base/memory/ptr_util.h" | |
11 #include "base/metrics/histogram_macros.h" | |
12 #include "base/strings/string16.h" | |
13 #include "base/strings/utf_string_conversions.h" | |
14 #include "content/child/child_process.h" | |
15 #include "content/child/thread_safe_sender.h" | |
16 #include "content/child/worker_thread_registry.h" | |
17 #include "content/common/devtools_messages.h" | |
18 #include "content/common/service_worker/embedded_worker_messages.h" | |
19 #include "content/public/common/content_client.h" | |
20 #include "content/renderer/render_thread_impl.h" | |
21 #include "content/renderer/service_worker/embedded_worker_devtools_agent.h" | |
22 #include "content/renderer/service_worker/embedded_worker_instance_client_impl.h
" | |
23 #include "content/renderer/service_worker/service_worker_context_client.h" | |
24 #include "third_party/WebKit/public/platform/WebString.h" | |
25 #include "third_party/WebKit/public/platform/WebURL.h" | |
26 #include "third_party/WebKit/public/web/WebEmbeddedWorker.h" | |
27 #include "third_party/WebKit/public/web/WebEmbeddedWorkerStartData.h" | |
28 | |
29 namespace content { | |
30 | |
31 EmbeddedWorkerDispatcher::WorkerWrapper::WorkerWrapper( | |
32 blink::WebEmbeddedWorker* worker, | |
33 int devtools_agent_route_id) | |
34 : worker_(worker), | |
35 devtools_agent_( | |
36 new EmbeddedWorkerDevToolsAgent(worker, devtools_agent_route_id)) {} | |
37 | |
38 EmbeddedWorkerDispatcher::WorkerWrapper::~WorkerWrapper() {} | |
39 | |
40 EmbeddedWorkerDispatcher::EmbeddedWorkerDispatcher() : weak_factory_(this) {} | |
41 | |
42 EmbeddedWorkerDispatcher::~EmbeddedWorkerDispatcher() {} | |
43 | |
44 bool EmbeddedWorkerDispatcher::OnMessageReceived( | |
45 const IPC::Message& message) { | |
46 bool handled = true; | |
47 IPC_BEGIN_MESSAGE_MAP(EmbeddedWorkerDispatcher, message) | |
48 IPC_MESSAGE_HANDLER(EmbeddedWorkerMsg_StopWorker, OnStopWorker) | |
49 IPC_MESSAGE_UNHANDLED(handled = false) | |
50 IPC_END_MESSAGE_MAP() | |
51 return handled; | |
52 } | |
53 | |
54 void EmbeddedWorkerDispatcher::WorkerContextDestroyed( | |
55 int embedded_worker_id) { | |
56 RenderThreadImpl::current()->thread_safe_sender()->Send( | |
57 new EmbeddedWorkerHostMsg_WorkerStopped(embedded_worker_id)); | |
58 UnregisterWorker(embedded_worker_id); | |
59 } | |
60 | |
61 void EmbeddedWorkerDispatcher::OnStopWorker(int embedded_worker_id) { | |
62 TRACE_EVENT0("ServiceWorker", "EmbeddedWorkerDispatcher::OnStopWorker"); | |
63 WorkerWrapper* wrapper = workers_.Lookup(embedded_worker_id); | |
64 // OnStopWorker is possible to be called twice. | |
65 if (!wrapper) { | |
66 LOG(WARNING) << "Got OnStopWorker for nonexistent worker"; | |
67 return; | |
68 } | |
69 // This should eventually call WorkerContextDestroyed. (We may need to post | |
70 // a delayed task to forcibly abort the worker context if we find it | |
71 // necessary) | |
72 stop_worker_times_[embedded_worker_id] = base::TimeTicks::Now(); | |
73 wrapper->worker()->TerminateWorkerContext(); | |
74 } | |
75 | |
76 std::unique_ptr<EmbeddedWorkerDispatcher::WorkerWrapper> | |
77 EmbeddedWorkerDispatcher::StartWorkerContext( | |
78 const EmbeddedWorkerStartParams& params, | |
79 std::unique_ptr<ServiceWorkerContextClient> context_client) { | |
80 std::unique_ptr<WorkerWrapper> wrapper(new WorkerWrapper( | |
81 blink::WebEmbeddedWorker::Create(context_client.release(), nullptr), | |
82 params.worker_devtools_agent_route_id)); | |
83 | |
84 blink::WebEmbeddedWorkerStartData start_data; | |
85 start_data.script_url = params.script_url; | |
86 start_data.user_agent = | |
87 blink::WebString::FromUTF8(GetContentClient()->GetUserAgent()); | |
88 start_data.wait_for_debugger_mode = | |
89 params.wait_for_debugger | |
90 ? blink::WebEmbeddedWorkerStartData::kWaitForDebugger | |
91 : blink::WebEmbeddedWorkerStartData::kDontWaitForDebugger; | |
92 start_data.v8_cache_options = static_cast<blink::WebSettings::V8CacheOptions>( | |
93 params.settings.v8_cache_options); | |
94 start_data.data_saver_enabled = params.settings.data_saver_enabled; | |
95 start_data.pause_after_download_mode = | |
96 params.pause_after_download | |
97 ? blink::WebEmbeddedWorkerStartData::kPauseAfterDownload | |
98 : blink::WebEmbeddedWorkerStartData::kDontPauseAfterDownload; | |
99 | |
100 wrapper->worker()->StartWorkerContext(start_data); | |
101 return wrapper; | |
102 } | |
103 | |
104 void EmbeddedWorkerDispatcher::RegisterWorker( | |
105 int embedded_worker_id, | |
106 std::unique_ptr<WorkerWrapper> wrapper) { | |
107 workers_.AddWithID(std::move(wrapper), embedded_worker_id); | |
108 } | |
109 | |
110 void EmbeddedWorkerDispatcher::UnregisterWorker(int embedded_worker_id) { | |
111 if (ContainsKey(stop_worker_times_, embedded_worker_id)) { | |
112 base::TimeTicks stop_time = stop_worker_times_[embedded_worker_id]; | |
113 UMA_HISTOGRAM_MEDIUM_TIMES("ServiceWorker.TerminateThread.Time", | |
114 base::TimeTicks::Now() - stop_time); | |
115 stop_worker_times_.erase(embedded_worker_id); | |
116 } | |
117 workers_.Remove(embedded_worker_id); | |
118 } | |
119 | |
120 void EmbeddedWorkerDispatcher::RecordStopWorkerTimer(int embedded_worker_id) { | |
121 WorkerWrapper* wrapper = workers_.Lookup(embedded_worker_id); | |
122 DCHECK(wrapper); | |
123 // This should eventually call WorkerContextDestroyed. (We may need to post | |
124 // a delayed task to forcibly abort the worker context if we find it | |
125 // necessary) | |
126 stop_worker_times_[embedded_worker_id] = base::TimeTicks::Now(); | |
127 } | |
128 | |
129 } // namespace content | |
OLD | NEW |