RTCStatsIdGenerator.h

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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/. */

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

#ifndef _RTCSTATSIDGENERATOR_H_

#define _RTCSTATSIDGENERATOR_H_

#include <map>

#include "mozilla/Atomics.h"

#include "mozilla/UniquePtr.h"

#include "nsISupportsImpl.h"

#include "nsString.h"

#include "nsTArray.h"

namespace mozilla {

namespace dom {

struct RTCStatsCollection;

}  // namespace dom

class RTCStatsIdGenerator {

 public:

  RTCStatsIdGenerator();

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RTCStatsIdGenerator);

  void RewriteIds(nsTArray<UniquePtr<dom::RTCStatsCollection>> aFromStats,

                  dom::RTCStatsCollection* aIntoReport);

 private:

  virtual ~RTCStatsIdGenerator() {};

  nsString Id(const nsString& aKey);

  nsString Generate();

  const uint64_t mSalt;

  uint64_t mCounter;

  std::map<nsString, nsString> mAllocated;

};

}  // namespace mozilla

#endif