15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/renderer/pepper/pepper_in_process_router.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/bind.h" 89ab5563a3196760eb381d102cbb2bc0f7abc6a50Ben Murdoch#include "base/message_loop/message_loop.h" 9a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)#include "content/public/renderer/render_thread.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/renderer/pepper/renderer_ppapi_host_impl.h" 11a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles)#include "content/renderer/render_frame_impl.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_message.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ipc/ipc_sender.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/proxy/ppapi_messages.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/ppapi_globals.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/shared_impl/resource_tracker.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 18a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)using ppapi::UnpackMessage; 19a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PepperInProcessRouter::Channel : public IPC::Sender { 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Channel(const base::Callback<bool(IPC::Message*)>& callback) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : callback_(callback) {} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~Channel() {} 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual bool Send(IPC::Message* message) OVERRIDE { 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return callback_.Run(message); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Callback<bool(IPC::Message*)> callback_; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PepperInProcessRouter::PepperInProcessRouter( 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RendererPpapiHostImpl* host_impl) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : host_impl_(host_impl), 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_message_id_(0), 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reply_result_(false), 42c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) weak_factory_(this) { 43a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) browser_channel_.reset( 44a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) new Channel(base::Bind(&PepperInProcessRouter::SendToBrowser, 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this)))); 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) host_to_plugin_router_.reset( 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new Channel(base::Bind(&PepperInProcessRouter::SendToPlugin, 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this)))); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) plugin_to_host_router_.reset( 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) new Channel(base::Bind(&PepperInProcessRouter::SendToHost, 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Unretained(this)))); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PepperInProcessRouter::~PepperInProcessRouter() { 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IPC::Sender* PepperInProcessRouter::GetPluginToRendererSender() { 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return plugin_to_host_router_.get(); 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)IPC::Sender* PepperInProcessRouter::GetRendererToPluginSender() { 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return host_to_plugin_router_.get(); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 65a3f7b4e666c476898878fa745f637129375cd889Ben Murdochppapi::proxy::Connection PepperInProcessRouter::GetPluginConnection( 66a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch PP_Instance instance) { 67a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch int routing_id = 0; 68a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) RenderFrame* frame = host_impl_->GetRenderFrameForInstance(instance); 69a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) if (frame) 70a3f6a49ab37290eeeb8db0f41ec0f1cb74a68be7Torne (Richard Coles) routing_id = frame->GetRoutingID(); 71a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return ppapi::proxy::Connection(browser_channel_.get(), 72a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch plugin_to_host_router_.get(), 73a3f7b4e666c476898878fa745f637129375cd889Ben Murdoch routing_id); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 76a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)// static 77a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)bool PepperInProcessRouter::OnPluginMsgReceived(const IPC::Message& msg) { 78a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Emulate the proxy by dispatching the relevant message here. 79a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ppapi::proxy::ResourceMessageReplyParams reply_params; 80a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) IPC::Message nested_msg; 81a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 82a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (msg.type() == PpapiPluginMsg_ResourceReply::ID) { 83a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Resource reply from the renderer (no routing id). 84a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (!UnpackMessage<PpapiPluginMsg_ResourceReply>(msg, &reply_params, 85a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) &nested_msg)) { 86a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) NOTREACHED(); 87a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return false; 88a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 89a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } else if (msg.type() == PpapiHostMsg_InProcessResourceReply::ID) { 90a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // Resource reply from the browser (has a routing id). 91a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (!UnpackMessage<PpapiHostMsg_InProcessResourceReply>(msg, &reply_params, 92a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) &nested_msg)) { 93a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) NOTREACHED(); 94a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return false; 95a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 96a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } else { 97a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return false; 98a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) } 99a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ppapi::Resource* resource = 100a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) ppapi::PpapiGlobals::Get()->GetResourceTracker()->GetResource( 101a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) reply_params.pp_resource()); 102a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // If the resource doesn't exist, it may have been destroyed so just ignore 103a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) // the message. 104a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) if (resource) 105a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) resource->OnReplyReceived(reply_params, nested_msg); 106a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return true; 107a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)} 108a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool PepperInProcessRouter::SendToHost(IPC::Message* msg) { 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<IPC::Message> message(msg); 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!message->is_sync()) { 11358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // If this is a resource destroyed message, post a task to dispatch it. 11458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // Dispatching it synchronously can cause the host to re-enter the proxy 11558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // code while we're still in the resource destructor, leading to a crash. 11658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // http://crbug.com/276368. 11758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // This won't cause message reordering problems because the resource 11858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) // destroyed message is always the last one sent for a resource. 11958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) if (message->type() == PpapiHostMsg_ResourceDestroyed::ID) { 12058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::MessageLoop::current()->PostTask( 12158537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) FROM_HERE, 12258537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::Bind(&PepperInProcessRouter::DispatchHostMsg, 12358537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) weak_factory_.GetWeakPtr(), 12458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) base::Owned(message.release()))); 12558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return true; 12658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } else { 12758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) bool result = host_impl_->GetPpapiHost()->OnMessageReceived(*message); 12858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DCHECK(result) << "The message was not handled by the host."; 12958537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) return true; 13058537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) } 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_message_id_ = IPC::SyncMessage::GetMessageId(*message); 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reply_deserializer_.reset( 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static_cast<IPC::SyncMessage*>(message.get())->GetReplyDeserializer()); 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reply_result_ = false; 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool result = host_impl_->GetPpapiHost()->OnMessageReceived(*message); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(result) << "The message was not handled by the host."; 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) pending_message_id_ = 0; 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reply_deserializer_.reset(NULL); 1435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return reply_result_; 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool PepperInProcessRouter::SendToPlugin(IPC::Message* msg) { 1475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<IPC::Message> message(msg); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(!msg->is_sync()); 1495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (IPC::SyncMessage::IsMessageReplyTo(*message, pending_message_id_)) { 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!msg->is_reply_error()) 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) reply_result_ = reply_deserializer_->SerializeOutputParameters(*message); 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } else { 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) CHECK(!pending_message_id_); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Dispatch plugin messages from the message loop. 155c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::MessageLoop::current()->PostTask( 1565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) FROM_HERE, 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) base::Bind(&PepperInProcessRouter::DispatchPluginMsg, 158c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) weak_factory_.GetWeakPtr(), 159c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) base::Owned(message.release()))); 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return true; 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 16458537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)void PepperInProcessRouter::DispatchHostMsg(IPC::Message* msg) { 16558537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) bool handled = host_impl_->GetPpapiHost()->OnMessageReceived(*msg); 16658537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) DCHECK(handled); 16758537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles)} 16858537e28ecd584eab876aee8be7156509866d23aTorne (Richard Coles) 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PepperInProcessRouter::DispatchPluginMsg(IPC::Message* msg) { 170a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) bool handled = OnPluginMsgReceived(*msg); 171a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) DCHECK(handled); 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 174a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles)bool PepperInProcessRouter::SendToBrowser(IPC::Message *msg) { 175a36e5920737c6adbddd3e43b760e5de8431db6e0Torne (Richard Coles) return RenderThread::Get()->Send(msg); 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace content 179