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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This is an interface for all objects that want to be notified that | 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 | 6 // the underlying UDP socket is available for writing (not write blocked |
7 // anymore). | 7 // anymore). |
8 | 8 |
9 #ifndef NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ | 9 #ifndef NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ |
10 #define NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ | 10 #define NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ |
11 | 11 |
12 #include "net/base/net_export.h" | 12 #include "net/base/net_export.h" |
13 | 13 |
14 namespace net { | 14 namespace net { |
15 | 15 |
16 class NET_EXPORT_PRIVATE QuicBlockedWriterInterface { | 16 class NET_EXPORT_PRIVATE QuicBlockedWriterInterface { |
17 public: | 17 public: |
18 virtual ~QuicBlockedWriterInterface() {} | 18 virtual ~QuicBlockedWriterInterface() {} |
19 | 19 |
20 // Called by the PacketWriter when the underlying socket becomes writable | 20 // Called by the PacketWriter when the underlying socket becomes writable |
21 // so that the BlockedWriter can go ahead and try writing. | 21 // so that the BlockedWriter can go ahead and try writing. |
22 virtual void OnCanWrite() = 0; | 22 virtual void OnCanWrite() = 0; |
23 }; | 23 }; |
24 | 24 |
25 } // namespace net | 25 } // namespace net |
26 | 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 |
| 30 // the lower 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 |
27 #endif // NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ | 41 #endif // NET_QUIC_QUIC_BLOCKED_WRITER_INTERFACE_H_ |
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