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