96 lines
3 KiB
C++
96 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2019 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.
|
|
*/
|
|
|
|
#include "test/network/traffic_route.h"
|
|
|
|
#include <algorithm>
|
|
#include <cstddef>
|
|
#include <cstdint>
|
|
#include <functional>
|
|
#include <memory>
|
|
#include <optional>
|
|
#include <utility>
|
|
|
|
#include "api/test/network_emulation/network_emulation_interfaces.h"
|
|
#include "rtc_base/checks.h"
|
|
#include "rtc_base/copy_on_write_buffer.h"
|
|
#include "rtc_base/socket_address.h"
|
|
#include "system_wrappers/include/clock.h"
|
|
#include "test/network/network_emulation.h"
|
|
|
|
namespace webrtc {
|
|
namespace test {
|
|
namespace {
|
|
|
|
class NullReceiver : public EmulatedNetworkReceiverInterface {
|
|
public:
|
|
void OnPacketReceived(EmulatedIpPacket packet) override {}
|
|
};
|
|
|
|
class ActionReceiver : public EmulatedNetworkReceiverInterface {
|
|
public:
|
|
explicit ActionReceiver(std::function<void()> action) : action_(action) {}
|
|
~ActionReceiver() override = default;
|
|
|
|
void OnPacketReceived(EmulatedIpPacket packet) override { action_(); }
|
|
|
|
private:
|
|
std::function<void()> action_;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
CrossTrafficRouteImpl::CrossTrafficRouteImpl(
|
|
Clock* clock,
|
|
EmulatedNetworkReceiverInterface* receiver,
|
|
EmulatedEndpointImpl* endpoint)
|
|
: clock_(clock), receiver_(receiver), endpoint_(endpoint) {
|
|
null_receiver_ = std::make_unique<NullReceiver>();
|
|
std::optional<uint16_t> port =
|
|
endpoint_->BindReceiver(0, null_receiver_.get());
|
|
RTC_DCHECK(port);
|
|
null_receiver_port_ = port.value();
|
|
}
|
|
CrossTrafficRouteImpl::~CrossTrafficRouteImpl() = default;
|
|
|
|
void CrossTrafficRouteImpl::TriggerPacketBurst(size_t num_packets,
|
|
size_t packet_size) {
|
|
for (size_t i = 0; i < num_packets; ++i) {
|
|
SendPacket(packet_size);
|
|
}
|
|
}
|
|
|
|
void CrossTrafficRouteImpl::NetworkDelayedAction(size_t packet_size,
|
|
std::function<void()> action) {
|
|
auto action_receiver = std::make_unique<ActionReceiver>(action);
|
|
// BindOneShotReceiver arranges to free the port in the endpoint after the
|
|
// action is done.
|
|
std::optional<uint16_t> port =
|
|
endpoint_->BindOneShotReceiver(0, action_receiver.get());
|
|
RTC_DCHECK(port);
|
|
actions_.push_back(std::move(action_receiver));
|
|
SendPacket(packet_size, port.value());
|
|
}
|
|
|
|
void CrossTrafficRouteImpl::SendPacket(size_t packet_size) {
|
|
SendPacket(packet_size, null_receiver_port_);
|
|
}
|
|
|
|
void CrossTrafficRouteImpl::SendPacket(size_t packet_size, uint16_t dest_port) {
|
|
rtc::CopyOnWriteBuffer data(packet_size);
|
|
std::fill_n(data.MutableData(), data.size(), 0);
|
|
receiver_->OnPacketReceived(EmulatedIpPacket(
|
|
/*from=*/rtc::SocketAddress(),
|
|
rtc::SocketAddress(endpoint_->GetPeerLocalAddress(), dest_port), data,
|
|
clock_->CurrentTime()));
|
|
}
|
|
|
|
} // namespace test
|
|
} // namespace webrtc
|