mirror of
https://github.com/kidfromjupiter/nearby.git
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100 lines
3.9 KiB
Plaintext
100 lines
3.9 KiB
Plaintext
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef NO_WEBRTC
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#include "internal/platform/implementation/apple/webrtc.h"
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#import <Foundation/Foundation.h>
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#include <memory>
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#include <optional>
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#include <string>
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#include <utility>
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#include "absl/status/status.h"
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#include "absl/strings/string_view.h"
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#include "internal/platform/count_down_latch.h"
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#include "internal/platform/crypto.h"
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#include "internal/platform/logging.h"
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#include "internal/platform/tachyon_express_signaling_messenger.h"
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#include "internal/proto/tachyon.pb.h"
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#include "internal/proto/tachyon_enums.proto.h"
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#include "webrtc/api/create_modular_peer_connection_factory.h"
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#include "webrtc/api/task_queue/default_task_queue_factory.h"
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namespace nearby::apple {
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std::string WebRtcMedium::GetDefaultCountryCode() {
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NSString* countryCode = [NSLocale.currentLocale objectForKey:NSLocaleCountryCode];
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if (countryCode) {
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return std::string([countryCode UTF8String]);
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}
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return "US";
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}
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void WebRtcMedium::CreatePeerConnection(webrtc::PeerConnectionObserver* observer,
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PeerConnectionCallback callback) {
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CreatePeerConnection(std::nullopt, observer, std::move(callback));
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}
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void WebRtcMedium::CreatePeerConnection(
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std::optional<webrtc::PeerConnectionFactoryInterface::Options> options,
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webrtc::PeerConnectionObserver* observer, PeerConnectionCallback callback) {
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webrtc::PeerConnectionInterface::RTCConfiguration rtc_config;
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rtc_config.sdp_semantics = webrtc::SdpSemantics::kUnifiedPlan;
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// TODO: b/261663238 - Add the TURN servers and go beyond the default servers.
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webrtc::PeerConnectionInterface::IceServer ice_server;
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ice_server.urls.emplace_back("stun:stun.l.google.com:19302");
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ice_server.urls.emplace_back("stun:stun1.l.google.com:19302");
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ice_server.urls.emplace_back("stun:stun2.l.google.com:19302");
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ice_server.urls.emplace_back("stun:stun3.l.google.com:19302");
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ice_server.urls.emplace_back("stun:stun4.l.google.com:19302");
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rtc_config.servers.push_back(ice_server);
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std::unique_ptr<webrtc::Thread> signaling_thread = webrtc::Thread::Create();
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signaling_thread->SetName("signaling_thread", nullptr);
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if (!signaling_thread->Start()) {
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callback(/*peer_connection=*/nullptr);
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return;
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}
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webrtc::PeerConnectionDependencies dependencies(observer);
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webrtc::PeerConnectionFactoryDependencies factory_dependencies;
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factory_dependencies.signaling_thread = signaling_thread.release();
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webrtc::scoped_refptr<webrtc::PeerConnectionFactoryInterface> peer_connection_factory =
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webrtc::CreateModularPeerConnectionFactory(std::move(factory_dependencies));
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if (options.has_value()) {
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peer_connection_factory->SetOptions(options.value());
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}
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webrtc::RTCErrorOr<webrtc::scoped_refptr<webrtc::PeerConnectionInterface>>
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peer_connection_or_error =
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peer_connection_factory->CreatePeerConnectionOrError(rtc_config, std::move(dependencies));
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if (peer_connection_or_error.ok()) {
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callback(peer_connection_or_error.MoveValue());
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} else {
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callback(/*peer_connection=*/nullptr);
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}
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}
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std::unique_ptr<api::WebRtcSignalingMessenger> WebRtcMedium::GetSignalingMessenger(
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absl::string_view self_id, const location::nearby::connections::LocationHint& location_hint) {
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return std::make_unique<TachyonExpressSignalingMessenger>(self_id, location_hint);
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}
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} // namespace nearby::apple
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#endif // #ifndef NO_WEBRTC
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