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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. | |
| 22 virtual void OnCanWrite() = 0; | |
| 23 }; | |
| 24 | |
| 25 } // namespace net | |
| 26 | |
| 27 #if defined(COMPILER_GCC) | |
| 28 namespace BASE_HASH_NAMESPACE { | |
| 29 // Hash pointers as if they were int's, but bring more entropy to the lower | |
| 30 // bits. | |
| 31 template <> | |
| 32 struct hash<net::QuicBlockedWriterInterface*> { | |
| 33 std::size_t operator()(const net::QuicBlockedWriterInterface* ptr) const { | |
| 34 size_t k = reinterpret_cast<size_t>(ptr); | |
| 35 return k + (k >> 6); | |
| 36 } | |
| 37 }; | |
| 38 } | |
| 39 #endif | |
| 40 | |
| 41 #endif // NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ | |
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