| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ipc/message_router.h" |
| |
| #include "base/logging.h" |
| #include "ipc/ipc_message.h" |
| |
| namespace IPC { |
| |
| MessageRouter::MessageRouter() = default; |
| |
| MessageRouter::~MessageRouter() = default; |
| |
| bool MessageRouter::OnControlMessageReceived(const IPC::Message& msg) { |
| NOTREACHED() |
| << "should override in subclass if you care about control messages"; |
| return false; |
| } |
| |
| bool MessageRouter::Send(IPC::Message* msg) { |
| NOTREACHED() |
| << "should override in subclass if you care about sending messages"; |
| return false; |
| } |
| |
| bool MessageRouter::AddRoute(int32_t routing_id, IPC::Listener* listener) { |
| if (routes_.Lookup(routing_id)) { |
| DLOG(ERROR) << "duplicate routing ID"; |
| return false; |
| } |
| routes_.AddWithID(listener, routing_id); |
| return true; |
| } |
| |
| void MessageRouter::RemoveRoute(int32_t routing_id) { |
| routes_.Remove(routing_id); |
| } |
| |
| Listener* MessageRouter::GetRoute(int32_t routing_id) { |
| return routes_.Lookup(routing_id); |
| } |
| |
| bool MessageRouter::OnMessageReceived(const IPC::Message& msg) { |
| if (msg.routing_id() == MSG_ROUTING_CONTROL) |
| return OnControlMessageReceived(msg); |
| |
| return RouteMessage(msg); |
| } |
| |
| bool MessageRouter::RouteMessage(const IPC::Message& msg) { |
| IPC::Listener* listener = routes_.Lookup(msg.routing_id()); |
| if (!listener) |
| return false; |
| |
| return listener->OnMessageReceived(msg); |
| } |
| |
| } // namespace IPC |