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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/service_worker/service_worker_process_manager.h" | 5 #include "content/browser/service_worker/service_worker_process_manager.h" |
| 6 | 6 |
| 7 #include "content/browser/devtools/embedded_worker_devtools_manager.h" |
| 7 #include "content/browser/renderer_host/render_process_host_impl.h" | 8 #include "content/browser/renderer_host/render_process_host_impl.h" |
| 8 #include "content/browser/service_worker/service_worker_context_wrapper.h" | 9 #include "content/browser/service_worker/service_worker_context_wrapper.h" |
| 9 #include "content/public/browser/browser_thread.h" | 10 #include "content/public/browser/browser_thread.h" |
| 10 #include "content/public/browser/site_instance.h" | 11 #include "content/public/browser/site_instance.h" |
| 11 #include "url/gurl.h" | 12 #include "url/gurl.h" |
| 12 | 13 |
| 13 namespace content { | 14 namespace content { |
| 14 | 15 |
| 16 namespace { |
| 17 |
| 18 void GetRoutingIDAndNotifyWorkerCreated(RenderProcessHost* rph, |
| 19 const base::FilePath& path, |
| 20 const GURL& scope, |
| 21 int* route_id, |
| 22 bool* pause_on_start) { |
| 23 if (!rph) { |
| 24 // |rph| may NULL in unit tests. |
| 25 *route_id = MSG_ROUTING_NONE; |
| 26 *pause_on_start = false; |
| 27 return; |
| 28 } |
| 29 *route_id = rph->GetNextRoutingID(); |
| 30 *pause_on_start = |
| 31 EmbeddedWorkerDevToolsManager::GetInstance()->ServiceWorkerCreated( |
| 32 rph->GetID(), *route_id, path, scope); |
| 33 } |
| 34 |
| 35 } // namespace |
| 36 |
| 15 ServiceWorkerProcessManager::ServiceWorkerProcessManager( | 37 ServiceWorkerProcessManager::ServiceWorkerProcessManager( |
| 16 ServiceWorkerContextWrapper* context_wrapper) | 38 ServiceWorkerContextWrapper* context_wrapper) |
| 17 : context_wrapper_(context_wrapper), | 39 : context_wrapper_(context_wrapper), |
| 18 weak_this_factory_(this), | 40 weak_this_factory_(this), |
| 19 weak_this_(weak_this_factory_.GetWeakPtr()) { | 41 weak_this_(weak_this_factory_.GetWeakPtr()) { |
| 20 } | 42 } |
| 21 | 43 |
| 22 ServiceWorkerProcessManager::~ServiceWorkerProcessManager() { | 44 ServiceWorkerProcessManager::~ServiceWorkerProcessManager() { |
| 23 DCHECK_CURRENTLY_ON(BrowserThread::UI); | 45 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
| 24 } | 46 } |
| 25 | 47 |
| 26 void ServiceWorkerProcessManager::AllocateWorkerProcess( | 48 void ServiceWorkerProcessManager::AllocateWorkerProcess( |
| 27 const std::vector<int>& process_ids, | 49 const std::vector<int>& process_ids, |
| 50 const base::FilePath& path, |
| 51 const GURL& scope, |
| 28 const GURL& script_url, | 52 const GURL& script_url, |
| 29 const base::Callback<void(ServiceWorkerStatusCode, int process_id)>& | 53 const base::Callback<void(ServiceWorkerStatusCode, |
| 30 callback) const { | 54 int process_id, |
| 55 int worker_devtools_agent_route_id, |
| 56 bool pause_on_start)>& callback) const { |
| 31 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { | 57 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
| 32 BrowserThread::PostTask( | 58 BrowserThread::PostTask( |
| 33 BrowserThread::UI, | 59 BrowserThread::UI, |
| 34 FROM_HERE, | 60 FROM_HERE, |
| 35 base::Bind(&ServiceWorkerProcessManager::AllocateWorkerProcess, | 61 base::Bind(&ServiceWorkerProcessManager::AllocateWorkerProcess, |
| 36 weak_this_, | 62 weak_this_, |
| 37 process_ids, | 63 process_ids, |
| 64 path, |
| 65 scope, |
| 38 script_url, | 66 script_url, |
| 39 callback)); | 67 callback)); |
| 40 return; | 68 return; |
| 41 } | 69 } |
| 42 | 70 int route_id = MSG_ROUTING_NONE; |
| 71 bool pause_on_start = false; |
| 43 for (std::vector<int>::const_iterator it = process_ids.begin(); | 72 for (std::vector<int>::const_iterator it = process_ids.begin(); |
| 44 it != process_ids.end(); | 73 it != process_ids.end(); |
| 45 ++it) { | 74 ++it) { |
| 46 if (IncrementWorkerRefcountByPid(*it)) { | 75 if (IncrementWorkerRefcountByPid(*it)) { |
| 47 BrowserThread::PostTask(BrowserThread::IO, | 76 GetRoutingIDAndNotifyWorkerCreated(RenderProcessHost::FromID(*it), |
| 48 FROM_HERE, | 77 path, |
| 49 base::Bind(callback, SERVICE_WORKER_OK, *it)); | 78 scope, |
| 79 &route_id, |
| 80 &pause_on_start); |
| 81 BrowserThread::PostTask( |
| 82 BrowserThread::IO, |
| 83 FROM_HERE, |
| 84 base::Bind( |
| 85 callback, SERVICE_WORKER_OK, *it, route_id, pause_on_start)); |
| 50 return; | 86 return; |
| 51 } | 87 } |
| 52 } | 88 } |
| 53 | 89 |
| 54 if (!context_wrapper_->browser_context_) { | 90 if (!context_wrapper_->browser_context_) { |
| 55 // Shutdown has started. | 91 // Shutdown has started. |
| 56 BrowserThread::PostTask( | 92 BrowserThread::PostTask(BrowserThread::IO, |
| 57 BrowserThread::IO, | 93 FROM_HERE, |
| 58 FROM_HERE, | 94 base::Bind(callback, |
| 59 base::Bind(callback, SERVICE_WORKER_ERROR_START_WORKER_FAILED, -1)); | 95 SERVICE_WORKER_ERROR_START_WORKER_FAILED, |
| 96 -1, |
| 97 route_id, |
| 98 pause_on_start)); |
| 60 return; | 99 return; |
| 61 } | 100 } |
| 62 // No existing processes available; start a new one. | 101 // No existing processes available; start a new one. |
| 63 scoped_refptr<SiteInstance> site_instance = SiteInstance::CreateForURL( | 102 scoped_refptr<SiteInstance> site_instance = SiteInstance::CreateForURL( |
| 64 context_wrapper_->browser_context_, script_url); | 103 context_wrapper_->browser_context_, script_url); |
| 65 RenderProcessHost* rph = site_instance->GetProcess(); | 104 RenderProcessHost* rph = site_instance->GetProcess(); |
| 66 // This Init() call posts a task to the IO thread that adds the RPH's | 105 // This Init() call posts a task to the IO thread that adds the RPH's |
| 67 // ServiceWorkerDispatcherHost to the | 106 // ServiceWorkerDispatcherHost to the |
| 68 // EmbeddedWorkerRegistry::process_sender_map_. | 107 // EmbeddedWorkerRegistry::process_sender_map_. |
| 69 if (!rph->Init()) { | 108 if (!rph->Init()) { |
| 70 LOG(ERROR) << "Couldn't start a new process!"; | 109 LOG(ERROR) << "Couldn't start a new process!"; |
| 71 BrowserThread::PostTask( | 110 BrowserThread::PostTask(BrowserThread::IO, |
| 72 BrowserThread::IO, | 111 FROM_HERE, |
| 73 FROM_HERE, | 112 base::Bind(callback, |
| 74 base::Bind(callback, SERVICE_WORKER_ERROR_START_WORKER_FAILED, -1)); | 113 SERVICE_WORKER_ERROR_START_WORKER_FAILED, |
| 114 -1, |
| 115 route_id, |
| 116 pause_on_start)); |
| 75 return; | 117 return; |
| 76 } | 118 } |
| 77 | 119 |
| 78 static_cast<RenderProcessHostImpl*>(rph)->IncrementWorkerRefCount(); | 120 static_cast<RenderProcessHostImpl*>(rph)->IncrementWorkerRefCount(); |
| 121 GetRoutingIDAndNotifyWorkerCreated( |
| 122 rph, path, scope, &route_id, &pause_on_start); |
| 79 BrowserThread::PostTask( | 123 BrowserThread::PostTask( |
| 80 BrowserThread::IO, | 124 BrowserThread::IO, |
| 81 FROM_HERE, | 125 FROM_HERE, |
| 82 base::Bind(callback, SERVICE_WORKER_OK, rph->GetID())); | 126 base::Bind( |
| 127 callback, SERVICE_WORKER_OK, rph->GetID(), route_id, pause_on_start)); |
| 83 } | 128 } |
| 84 | 129 |
| 85 void ServiceWorkerProcessManager::ReleaseWorkerProcess(int process_id) { | 130 void ServiceWorkerProcessManager::ReleaseWorkerProcess(int process_id) { |
| 86 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { | 131 if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
| 87 BrowserThread::PostTask( | 132 BrowserThread::PostTask( |
| 88 BrowserThread::UI, | 133 BrowserThread::UI, |
| 89 FROM_HERE, | 134 FROM_HERE, |
| 90 base::Bind(&ServiceWorkerProcessManager::ReleaseWorkerProcess, | 135 base::Bind(&ServiceWorkerProcessManager::ReleaseWorkerProcess, |
| 91 weak_this_, | 136 weak_this_, |
| 92 process_id)); | 137 process_id)); |
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| 136 namespace base { | 181 namespace base { |
| 137 // Destroying ServiceWorkerProcessManagers only on the UI thread allows the | 182 // Destroying ServiceWorkerProcessManagers only on the UI thread allows the |
| 138 // member WeakPtr to safely guard the object's lifetime when used on that | 183 // member WeakPtr to safely guard the object's lifetime when used on that |
| 139 // thread. | 184 // thread. |
| 140 void DefaultDeleter<content::ServiceWorkerProcessManager>::operator()( | 185 void DefaultDeleter<content::ServiceWorkerProcessManager>::operator()( |
| 141 content::ServiceWorkerProcessManager* ptr) const { | 186 content::ServiceWorkerProcessManager* ptr) const { |
| 142 content::BrowserThread::DeleteSoon( | 187 content::BrowserThread::DeleteSoon( |
| 143 content::BrowserThread::UI, FROM_HERE, ptr); | 188 content::BrowserThread::UI, FROM_HERE, ptr); |
| 144 } | 189 } |
| 145 } // namespace base | 190 } // namespace base |
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