aosp12/external/webrtc/pc/ice_transport.h

50 lines
1.6 KiB
C++

/*
* 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.
*/
#ifndef PC_ICE_TRANSPORT_H_
#define PC_ICE_TRANSPORT_H_
#include "api/ice_transport_interface.h"
#include "rtc_base/constructor_magic.h"
#include "rtc_base/thread.h"
#include "rtc_base/thread_checker.h"
namespace webrtc {
// Implementation of IceTransportInterface that does not take ownership
// of its underlying IceTransport. It depends on its creator class to
// ensure that Clear() is called before the underlying IceTransport
// is deallocated.
class IceTransportWithPointer : public IceTransportInterface {
public:
explicit IceTransportWithPointer(cricket::IceTransportInternal* internal)
: creator_thread_(rtc::Thread::Current()), internal_(internal) {
RTC_DCHECK(internal_);
}
cricket::IceTransportInternal* internal() override;
// This call will ensure that the pointer passed at construction is
// no longer in use by this object. Later calls to internal() will return
// null.
void Clear();
protected:
~IceTransportWithPointer() override;
private:
RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(IceTransportWithPointer);
const rtc::Thread* creator_thread_;
cricket::IceTransportInternal* internal_ RTC_GUARDED_BY(creator_thread_);
};
} // namespace webrtc
#endif // PC_ICE_TRANSPORT_H_