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// 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";
}
bool MessageRouter::Send(IPC::Message* msg) {
NOTREACHED()
<< "should override in subclass if you care about sending messages";
}
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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