content/browser/renderer_host/p2p/socket_host_throttler.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_THROTTLER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_THROTTLER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "content/common/content_export.h"
  10
  11 namespace rtc {
  12 class RateLimiter;
  13 class Timing;
  14 }
  15
  16 namespace content {
  17
  18 // A very simple message throtller. User of this class must drop the packet if
  19 // DropNextPacket returns false for that packet. This method verifies the
  20 // current sendrate against the required sendrate.
  21
  22 class CONTENT_EXPORT P2PMessageThrottler {
  23  public:
  24   P2PMessageThrottler();
  25   virtual ~P2PMessageThrottler();
  26
  27   void SetTiming(scoped_ptr<rtc::Timing> timing);
  28   bool DropNextPacket(size_t packet_len);
  29   void SetSendIceBandwidth(int bandwith_kbps);
  30
  31  private:
  32   scoped_ptr<rtc::Timing> timing_;
  33   scoped_ptr<rtc::RateLimiter> rate_limiter_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(P2PMessageThrottler);
  36 };
  37
  38 }  // namespace content
  39
  40 #endif  // CONTENT_BROWSER_RENDERER_HOST_P2P_SOCKET_HOST_THROTTLER_H_