зеркало из https://github.com/mozilla/gecko-dev.git
115 строки
2.6 KiB
C++
115 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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// Original author: ekr@rtfm.com
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#ifndef transportlayerloopback_h__
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#define transportlayerloopback_h__
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#include "nspr.h"
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#include "prio.h"
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#include "prlock.h"
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#include <memory>
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#include <queue>
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsINamed.h"
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#include "nsITimer.h"
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#include "m_cpp_utils.h"
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#include "transportflow.h"
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#include "transportlayer.h"
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// A simple loopback transport layer that is used for testing.
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namespace mozilla {
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class TransportLayerLoopback : public TransportLayer {
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public:
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TransportLayerLoopback()
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: peer_(nullptr),
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timer_(nullptr),
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packets_(),
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packets_lock_(nullptr),
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deliverer_(nullptr),
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combinePackets_(false) {}
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~TransportLayerLoopback() {
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while (!packets_.empty()) {
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MediaPacket *packet = packets_.front();
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packets_.pop();
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delete packet;
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}
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if (packets_lock_) {
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PR_DestroyLock(packets_lock_);
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}
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timer_->Cancel();
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deliverer_->Detach();
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}
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// Init
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nsresult Init();
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// Connect to the other side
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void Connect(TransportLayerLoopback *peer);
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// Disconnect
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void Disconnect() {
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TransportLayerLoopback *peer = peer_;
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peer_ = nullptr;
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if (peer) {
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peer->Disconnect();
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}
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}
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void CombinePackets(bool combine) { combinePackets_ = combine; }
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// Overrides for TransportLayer
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TransportResult SendPacket(MediaPacket &packet) override;
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// Deliver queued packets
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void DeliverPackets();
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TRANSPORT_LAYER_ID("loopback")
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private:
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DISALLOW_COPY_ASSIGN(TransportLayerLoopback);
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// A timer to deliver packets if some are available
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// Fires every 100 ms
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class Deliverer : public nsITimerCallback, public nsINamed {
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public:
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explicit Deliverer(TransportLayerLoopback *layer) : layer_(layer) {}
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void Detach() { layer_ = nullptr; }
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSITIMERCALLBACK
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NS_DECL_NSINAMED
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private:
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virtual ~Deliverer() {}
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DISALLOW_COPY_ASSIGN(Deliverer);
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TransportLayerLoopback *layer_;
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};
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// Queue a packet for delivery
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nsresult QueuePacket(MediaPacket &packet);
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TransportLayerLoopback *peer_;
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nsCOMPtr<nsITimer> timer_;
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std::queue<MediaPacket *> packets_;
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PRLock *packets_lock_;
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RefPtr<Deliverer> deliverer_;
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bool combinePackets_;
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};
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} // namespace mozilla
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#endif
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