Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 122 insertions, 0 deletions

diff --git a/third_party/libwebrtc/test/network/emulated_network_manager.cc b/third_party/libwebrtc/test/network/emulated_network_manager.cc
new file mode 100644
index 0000000000..fa4037e5db
--- /dev/null
+++ b/third_party/libwebrtc/test/network/emulated_network_manager.cc
@@ -0,0 +1,122 @@
+/*
+ *  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/emulated_network_manager.h"
+
+#include <memory>
+#include <utility>
+
+#include "absl/memory/memory.h"
+#include "p2p/base/basic_packet_socket_factory.h"
+#include "test/network/fake_network_socket_server.h"
+
+namespace webrtc {
+namespace test {
+
+EmulatedNetworkManager::EmulatedNetworkManager(
+    TimeController* time_controller,
+    TaskQueueForTest* task_queue,
+    EndpointsContainer* endpoints_container)
+    : task_queue_(task_queue),
+      endpoints_container_(endpoints_container),
+      sent_first_update_(false),
+      start_count_(0) {
+  auto socket_server =
+      std::make_unique<FakeNetworkSocketServer>(endpoints_container);
+  packet_socket_factory_ =
+      std::make_unique<rtc::BasicPacketSocketFactory>(socket_server.get());
+  // Since we pass ownership of the socket server to `network_thread_`, we must
+  // arrange that it outlives `packet_socket_factory_` which refers to it.
+  network_thread_ =
+      time_controller->CreateThread("net_thread", std::move(socket_server));
+}
+
+void EmulatedNetworkManager::EnableEndpoint(EmulatedEndpointImpl* endpoint) {
+  RTC_CHECK(endpoints_container_->HasEndpoint(endpoint))
+      << "No such interface: " << endpoint->GetPeerLocalAddress().ToString();
+  network_thread_->PostTask([this, endpoint]() {
+    endpoint->Enable();
+    UpdateNetworksOnce();
+  });
+}
+
+void EmulatedNetworkManager::DisableEndpoint(EmulatedEndpointImpl* endpoint) {
+  RTC_CHECK(endpoints_container_->HasEndpoint(endpoint))
+      << "No such interface: " << endpoint->GetPeerLocalAddress().ToString();
+  network_thread_->PostTask([this, endpoint]() {
+    endpoint->Disable();
+    UpdateNetworksOnce();
+  });
+}
+
+// Network manager interface. All these methods are supposed to be called from
+// the same thread.
+void EmulatedNetworkManager::StartUpdating() {
+  RTC_DCHECK_RUN_ON(network_thread_.get());
+
+  if (start_count_) {
+    // If network interfaces are already discovered and signal is sent,
+    // we should trigger network signal immediately for the new clients
+    // to start allocating ports.
+    if (sent_first_update_)
+      network_thread_->PostTask([this]() { MaybeSignalNetworksChanged(); });
+  } else {
+    network_thread_->PostTask([this]() { UpdateNetworksOnce(); });
+  }
+  ++start_count_;
+}
+
+void EmulatedNetworkManager::StopUpdating() {
+  RTC_DCHECK_RUN_ON(network_thread_.get());
+  if (!start_count_)
+    return;
+
+  --start_count_;
+  if (!start_count_) {
+    sent_first_update_ = false;
+  }
+}
+
+void EmulatedNetworkManager::GetStats(
+    std::function<void(EmulatedNetworkStats)> stats_callback) const {
+  task_queue_->PostTask([stats_callback, this]() {
+    stats_callback(endpoints_container_->GetStats());
+  });
+}
+
+void EmulatedNetworkManager::UpdateNetworksOnce() {
+  RTC_DCHECK_RUN_ON(network_thread_.get());
+
+  std::vector<std::unique_ptr<rtc::Network>> networks;
+  for (std::unique_ptr<rtc::Network>& net :
+       endpoints_container_->GetEnabledNetworks()) {
+    net->set_default_local_address_provider(this);
+    networks.push_back(std::move(net));
+  }
+
+  bool changed;
+  MergeNetworkList(std::move(networks), &changed);
+  if (changed || !sent_first_update_) {
+    MaybeSignalNetworksChanged();
+    sent_first_update_ = true;
+  }
+}
+
+void EmulatedNetworkManager::MaybeSignalNetworksChanged() {
+  RTC_DCHECK_RUN_ON(network_thread_.get());
+  // If manager is stopped we don't need to signal anything.
+  if (start_count_ == 0) {
+    return;
+  }
+  SignalNetworksChanged();
+}
+
+}  // namespace test
+}  // namespace webrtc