blob: d507812ab701ecca0bc29c0dfca51218aa175e27 [file] [log] [blame]
/*
* Copyright 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 "api/ice_transport_factory.h"
#include <memory>
#include <utility>
#include "p2p/base/ice_transport_internal.h"
#include "p2p/base/p2p_constants.h"
#include "p2p/base/p2p_transport_channel.h"
#include "p2p/base/port_allocator.h"
#include "rtc_base/thread.h"
namespace webrtc {
namespace {
// This implementation of IceTransportInterface is used in cases where
// the only reference to the P2PTransport will be through this class.
// It must be constructed, accessed and destroyed on the signaling thread.
class IceTransportWithTransportChannel : public IceTransportInterface {
public:
IceTransportWithTransportChannel(
std::unique_ptr<cricket::IceTransportInternal> internal)
: internal_(std::move(internal)) {}
~IceTransportWithTransportChannel() override {
RTC_DCHECK_RUN_ON(&thread_checker_);
}
cricket::IceTransportInternal* internal() override {
RTC_DCHECK_RUN_ON(&thread_checker_);
return internal_.get();
}
private:
const SequenceChecker thread_checker_{};
const std::unique_ptr<cricket::IceTransportInternal> internal_
RTC_GUARDED_BY(thread_checker_);
};
} // namespace
rtc::scoped_refptr<IceTransportInterface> CreateIceTransport(
cricket::PortAllocator* port_allocator) {
IceTransportInit init;
init.set_port_allocator(port_allocator);
return CreateIceTransport(std::move(init));
}
rtc::scoped_refptr<IceTransportInterface> CreateIceTransport(
IceTransportInit init) {
if (init.async_resolver_factory()) {
// Backwards compatibility mode
return new rtc::RefCountedObject<IceTransportWithTransportChannel>(
std::make_unique<cricket::P2PTransportChannel>(
"", cricket::ICE_CANDIDATE_COMPONENT_RTP, init.port_allocator(),
init.async_resolver_factory(), init.event_log()));
} else {
return new rtc::RefCountedObject<IceTransportWithTransportChannel>(
cricket::P2PTransportChannel::Create(
"", cricket::ICE_CANDIDATE_COMPONENT_RTP, init.port_allocator(),
init.async_dns_resolver_factory(), init.event_log()));
}
}
} // namespace webrtc