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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/test/network/traffic_route.cc | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/network/traffic_route.cc b/third_party/libwebrtc/test/network/traffic_route.cc new file mode 100644 index 0000000000..81bb8ca514 --- /dev/null +++ b/third_party/libwebrtc/test/network/traffic_route.cc @@ -0,0 +1,91 @@ +/* + * 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 <memory> +#include <utility> + +#include "absl/types/optional.h" +#include "rtc_base/logging.h" +#include "rtc_base/numerics/safe_minmax.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>(); + absl::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. + absl::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 |