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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ | 5 #ifndef NET_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ |
6 #define NET_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ | 6 #define NET_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 | 9 |
10 #include "net/base/net_export.h" | 10 #include "net/spdy/platform/api/spdy_export.h" |
11 #include "net/spdy/platform/api/spdy_string_piece.h" | 11 #include "net/spdy/platform/api/spdy_string_piece.h" |
12 | 12 |
13 namespace net { | 13 namespace net { |
14 | 14 |
15 // This interface defines how an object that accepts header data should behave. | 15 // This interface defines how an object that accepts header data should behave. |
16 // It is used by both SpdyHeadersBlockParser and HpackDecoder. | 16 // It is used by both SpdyHeadersBlockParser and HpackDecoder. |
17 class NET_EXPORT_PRIVATE SpdyHeadersHandlerInterface { | 17 class SPDY_EXPORT_PRIVATE SpdyHeadersHandlerInterface { |
18 public: | 18 public: |
19 virtual ~SpdyHeadersHandlerInterface() {} | 19 virtual ~SpdyHeadersHandlerInterface() {} |
20 | 20 |
21 // A callback method which notifies when the parser starts handling a new | 21 // A callback method which notifies when the parser starts handling a new |
22 // header block. Will only be called once per block, even if it extends into | 22 // header block. Will only be called once per block, even if it extends into |
23 // CONTINUATION frames. | 23 // CONTINUATION frames. |
24 virtual void OnHeaderBlockStart() = 0; | 24 virtual void OnHeaderBlockStart() = 0; |
25 | 25 |
26 // A callback method which notifies on a header key value pair. Multiple | 26 // A callback method which notifies on a header key value pair. Multiple |
27 // values for a given key will be emitted as multiple calls to OnHeader. | 27 // values for a given key will be emitted as multiple calls to OnHeader. |
28 virtual void OnHeader(SpdyStringPiece key, SpdyStringPiece value) = 0; | 28 virtual void OnHeader(SpdyStringPiece key, SpdyStringPiece value) = 0; |
29 | 29 |
30 // TODO(yasong): deprecate this method with | 30 // TODO(yasong): deprecate this method with |
31 // --chromium_http2_flag_log_compressed_size. | 31 // --chromium_http2_flag_log_compressed_size. |
32 // A callback method which notifies when the parser finishes handling a | 32 // A callback method which notifies when the parser finishes handling a |
33 // header block (i.e. the containing frame has the END_HEADERS flag set). | 33 // header block (i.e. the containing frame has the END_HEADERS flag set). |
34 // Also indicates the total number of bytes in this block. | 34 // Also indicates the total number of bytes in this block. |
35 virtual void OnHeaderBlockEnd(size_t uncompressed_header_bytes) = 0; | 35 virtual void OnHeaderBlockEnd(size_t uncompressed_header_bytes) = 0; |
36 | 36 |
37 // A callback method which notifies when the parser finishes handling a | 37 // A callback method which notifies when the parser finishes handling a |
38 // header block (i.e. the containing frame has the END_HEADERS flag set). | 38 // header block (i.e. the containing frame has the END_HEADERS flag set). |
39 // Also indicates the total number of bytes in this block. | 39 // Also indicates the total number of bytes in this block. |
40 virtual void OnHeaderBlockEnd(size_t uncompressed_header_bytes, | 40 virtual void OnHeaderBlockEnd(size_t uncompressed_header_bytes, |
41 size_t compressed_header_bytes) = 0; | 41 size_t compressed_header_bytes) = 0; |
42 }; | 42 }; |
43 | 43 |
44 } // namespace net | 44 } // namespace net |
45 | 45 |
46 #endif // NET_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ | 46 #endif // NET_SPDY_CORE_SPDY_HEADERS_HANDLER_INTERFACE_H_ |
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