| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ppapi/proxy/broker_dispatcher.h" |
| |
| #include "base/sync_socket.h" |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/proxy/ppapi_messages.h" |
| #include "ppapi/shared_impl/platform_file.h" |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| BrokerDispatcher::BrokerDispatcher(PP_ConnectInstance_Func connect_instance) |
| : connect_instance_(connect_instance) { |
| } |
| |
| BrokerDispatcher::~BrokerDispatcher() { |
| } |
| |
| bool BrokerDispatcher::InitBrokerWithChannel( |
| ProxyChannel::Delegate* delegate, |
| base::ProcessId peer_pid, |
| const IPC::ChannelHandle& channel_handle, |
| bool is_client) { |
| return ProxyChannel::InitWithChannel(delegate, peer_pid, channel_handle, |
| is_client); |
| } |
| |
| bool BrokerDispatcher::OnMessageReceived(const IPC::Message& msg) { |
| // Control messages. |
| if (msg.routing_id() == MSG_ROUTING_CONTROL) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(BrokerDispatcher, msg) |
| IPC_MESSAGE_HANDLER(PpapiMsg_ConnectToPlugin, OnMsgConnectToPlugin) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| return false; |
| } |
| |
| // Transfers ownership of the handle to the broker module. |
| void BrokerDispatcher::OnMsgConnectToPlugin( |
| PP_Instance instance, |
| IPC::PlatformFileForTransit handle, |
| int32_t* result) { |
| if (handle == IPC::InvalidPlatformFileForTransit()) { |
| *result = PP_ERROR_FAILED; |
| } else { |
| base::SyncSocket::Handle socket_handle = |
| IPC::PlatformFileForTransitToPlatformFile(handle); |
| |
| if (connect_instance_) { |
| *result = connect_instance_(instance, |
| ppapi::PlatformFileToInt(socket_handle)); |
| } else { |
| *result = PP_ERROR_FAILED; |
| // Close the handle since there is no other owner. |
| // The easiest way to clean it up is to just put it in an object |
| // and then close them. This failure case is not performance critical. |
| base::SyncSocket temp_socket(socket_handle); |
| } |
| } |
| } |
| |
| BrokerHostDispatcher::BrokerHostDispatcher() |
| : BrokerDispatcher(NULL) { |
| } |
| |
| void BrokerHostDispatcher::OnChannelError() { |
| DVLOG(1) << "BrokerHostDispatcher::OnChannelError()"; |
| BrokerDispatcher::OnChannelError(); // Stop using the channel. |
| |
| // Tell the host about the crash so it can clean up and display notification. |
| // TODO(ddorwin): Add BrokerCrashed() to PPB_Proxy_Private and call it. |
| // ppb_proxy_->BrokerCrashed(pp_module()); |
| } |
| |
| BrokerSideDispatcher::BrokerSideDispatcher( |
| PP_ConnectInstance_Func connect_instance) |
| : BrokerDispatcher(connect_instance) { |
| } |
| |
| void BrokerSideDispatcher::OnChannelError() { |
| DVLOG(1) << "BrokerSideDispatcher::OnChannelError()"; |
| BrokerDispatcher::OnChannelError(); |
| |
| // The renderer has crashed or exited. This channel and all instances |
| // associated with it are no longer valid. |
| // TODO(ddorwin): This causes the broker process to exit, which may not be |
| // desirable in some use cases. |
| delete this; |
| } |
| |
| |
| } // namespace proxy |
| } // namespace ppapi |