847a9c70c2
Switch on using NetworkSimulatedInterface in FakeNetwork pipe to be able to inject different implementations in future. Also temporary add SetConfig(...) method to NetworkSimulationInterface to make it possible to use it in FakeNetworkPipe. This method will be removed by futher refactoring. Bug: webrtc:9630 Change-Id: I2ce2219f523b4121e46643699ab87b37da09d95b Reviewed-on: https://webrtc-review.googlesource.com/94145 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Sebastian Jansson <srte@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24289}
83 lines
2.7 KiB
C++
83 lines
2.7 KiB
C++
/*
|
|
* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license
|
|
* that can be found in the LICENSE file in the root of the source
|
|
* tree. An additional intellectual property rights grant can be found
|
|
* in the file PATENTS. All contributing project authors may
|
|
* be found in the AUTHORS file in the root of the source tree.
|
|
*/
|
|
|
|
#ifndef API_TEST_SIMULATED_NETWORK_H_
|
|
#define API_TEST_SIMULATED_NETWORK_H_
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <deque>
|
|
#include <queue>
|
|
#include <vector>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "rtc_base/criticalsection.h"
|
|
#include "rtc_base/random.h"
|
|
#include "rtc_base/thread_annotations.h"
|
|
|
|
namespace webrtc {
|
|
|
|
struct PacketInFlightInfo {
|
|
PacketInFlightInfo(size_t size, int64_t send_time_us, uint64_t packet_id)
|
|
: size(size), send_time_us(send_time_us), packet_id(packet_id) {}
|
|
|
|
size_t size;
|
|
int64_t send_time_us;
|
|
// Unique identifier for the packet in relation to other packets in flight.
|
|
uint64_t packet_id;
|
|
};
|
|
|
|
struct PacketDeliveryInfo {
|
|
static constexpr int kNotReceived = -1;
|
|
PacketDeliveryInfo(PacketInFlightInfo source, int64_t receive_time_us)
|
|
: receive_time_us(receive_time_us), packet_id(source.packet_id) {}
|
|
int64_t receive_time_us;
|
|
uint64_t packet_id;
|
|
};
|
|
|
|
class NetworkSimulationInterface {
|
|
public:
|
|
// TODO(phoglund): this one shouldn't really be here; make fake network pipes
|
|
// injectable instead in the video quality test fixture.
|
|
struct SimulatedNetworkConfig {
|
|
SimulatedNetworkConfig() {}
|
|
// Queue length in number of packets.
|
|
size_t queue_length_packets = 0;
|
|
// Delay in addition to capacity induced delay.
|
|
int queue_delay_ms = 0;
|
|
// Standard deviation of the extra delay.
|
|
int delay_standard_deviation_ms = 0;
|
|
// Link capacity in kbps.
|
|
int link_capacity_kbps = 0;
|
|
// Random packet loss.
|
|
int loss_percent = 0;
|
|
// If packets are allowed to be reordered.
|
|
bool allow_reordering = false;
|
|
// The average length of a burst of lost packets.
|
|
int avg_burst_loss_length = -1;
|
|
};
|
|
|
|
// DO NOT USE. Method added temporary for further refactoring and will be
|
|
// removed soon.
|
|
// Sets a new configuration. This won't affect packets already in the pipe.
|
|
virtual void SetConfig(const SimulatedNetworkConfig& config) = 0;
|
|
|
|
virtual bool EnqueuePacket(PacketInFlightInfo packet_info) = 0;
|
|
// Retrieves all packets that should be delivered by the given receive time.
|
|
virtual std::vector<PacketDeliveryInfo> DequeueDeliverablePackets(
|
|
int64_t receive_time_us) = 0;
|
|
virtual absl::optional<int64_t> NextDeliveryTimeUs() const = 0;
|
|
virtual ~NetworkSimulationInterface() = default;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // API_TEST_SIMULATED_NETWORK_H_
|