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      1 // Copyright (c) 2012 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 // This is an interface for all objects that want to be notified that
      6 // the underlying UDP socket is available for writing (not write blocked
      7 // anymore).
      8 
      9 #ifndef NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_
     10 #define NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_
     11 
     12 #include "net/base/net_export.h"
     13 
     14 namespace net {
     15 
     16 class NET_EXPORT_PRIVATE QuicBlockedWriterInterface {
     17  public:
     18   virtual ~QuicBlockedWriterInterface() {}
     19 
     20   // Called by the PacketWriter when the underlying socket becomes writable
     21   // so that the BlockedWriter can go ahead and try writing. This methods
     22   // should return false if the socket has become blocked while writing.
     23   virtual bool OnCanWrite() = 0;
     24 };
     25 
     26 }  // namespace net
     27 
     28 #endif  // NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_
     29