PacketDumper.h - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _PACKET_DUMPER_H_

#define _PACKET_DUMPER_H_

#include "nsISupportsImpl.h"

#include "mozilla/RefPtr.h"

#include "mozilla/dom/RTCPeerConnectionBinding.h"

#include <vector>

namespace mozilla {

class PeerConnectionImpl;

class PacketDumper {

 public:

  static RefPtr<PacketDumper> GetPacketDumper(const std::string& aPcHandle);

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(PacketDumper)

  PacketDumper(const PacketDumper&) = delete;

  PacketDumper& operator=(const PacketDumper&) = delete;

  void Dump(size_t aLevel, dom::mozPacketDumpType aType, bool aSending,

            const void* aData, size_t aSize);

  nsresult EnablePacketDump(unsigned long aLevel, dom::mozPacketDumpType aType,

                            bool aSending);

  nsresult DisablePacketDump(unsigned long aLevel, dom::mozPacketDumpType aType,

                             bool aSending);

 private:

  friend class PeerConnectionImpl;

  explicit PacketDumper(const std::string& aPcHandle);

  ~PacketDumper() = default;

  bool ShouldDumpPacket(size_t aLevel, dom::mozPacketDumpType aType,

                        bool aSending) const;

  // This class is not cycle-collected, so it cannot hold onto a strong ref

  const std::string mPcHandle;

  std::vector<unsigned> mSendPacketDumpFlags

      MOZ_GUARDED_BY(mPacketDumpFlagsMutex);

  std::vector<unsigned> mRecvPacketDumpFlags

      MOZ_GUARDED_BY(mPacketDumpFlagsMutex);

  Atomic<bool> mPacketDumpEnabled{false};

  Atomic<int> mPacketDumpRtcpRecvCount{0};

  mutable Mutex mPacketDumpFlagsMutex;

};

}  // namespace mozilla

#endif  // _PACKET_DUMPER_H_