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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 #ifndef NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ | 5 #ifndef NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ |
6 #define NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ | 6 #define NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "net/base/net_export.h" | 10 #include "net/quic/platform/api/quic_export.h" |
11 | 11 |
12 namespace net { | 12 namespace net { |
13 | 13 |
14 // Abstract base class for classes which allocate and delete buffers. | 14 // Abstract base class for classes which allocate and delete buffers. |
15 class NET_EXPORT_PRIVATE QuicBufferAllocator { | 15 class QUIC_EXPORT_PRIVATE QuicBufferAllocator { |
16 public: | 16 public: |
17 virtual ~QuicBufferAllocator(); | 17 virtual ~QuicBufferAllocator(); |
18 | 18 |
19 // Returns or allocates a new buffer of |size|. Never returns null. | 19 // Returns or allocates a new buffer of |size|. Never returns null. |
20 virtual char* New(size_t size) = 0; | 20 virtual char* New(size_t size) = 0; |
21 | 21 |
22 // Returns or allocates a new buffer of |size| if |flag_enable| is true. | 22 // Returns or allocates a new buffer of |size| if |flag_enable| is true. |
23 // Otherwise, returns a buffer that is compatible with this class directly | 23 // Otherwise, returns a buffer that is compatible with this class directly |
24 // with operator new. Never returns null. | 24 // with operator new. Never returns null. |
25 virtual char* New(size_t size, bool flag_enable) = 0; | 25 virtual char* New(size_t size, bool flag_enable) = 0; |
26 | 26 |
27 // Releases a buffer. | 27 // Releases a buffer. |
28 virtual void Delete(char* buffer) = 0; | 28 virtual void Delete(char* buffer) = 0; |
29 | 29 |
30 // Marks the allocator as being idle. Serves as a hint to notify the allocator | 30 // Marks the allocator as being idle. Serves as a hint to notify the allocator |
31 // that it should release any resources it's still holding on to. | 31 // that it should release any resources it's still holding on to. |
32 virtual void MarkAllocatorIdle() {} | 32 virtual void MarkAllocatorIdle() {} |
33 }; | 33 }; |
34 | 34 |
35 } // namespace net | 35 } // namespace net |
36 | 36 |
37 #endif // NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ | 37 #endif // NET_QUIC_CORE_QUIC_BUFFER_ALLOCATOR_H_ |
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