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- // Copyright (c) 2011 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 "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
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