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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 file contains some protocol structures for use with Spdy. | 5 // This file contains some protocol structures for use with Spdy. |
6 | 6 |
7 #ifndef NET_SPDY_SPDY_PROTOCOL_H_ | 7 #ifndef NET_SPDY_SPDY_PROTOCOL_H_ |
8 #define NET_SPDY_SPDY_PROTOCOL_H_ | 8 #define NET_SPDY_SPDY_PROTOCOL_H_ |
9 #pragma once | 9 #pragma once |
10 | 10 |
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463 DCHECK(type >= SYN_STREAM && type < NUM_CONTROL_FRAME_TYPES); | 463 DCHECK(type >= SYN_STREAM && type < NUM_CONTROL_FRAME_TYPES); |
464 mutable_block()->control_.type_ = htons(type); | 464 mutable_block()->control_.type_ = htons(type); |
465 } | 465 } |
466 | 466 |
467 // Returns true if this control frame is of a type that has a header block, | 467 // Returns true if this control frame is of a type that has a header block, |
468 // otherwise it returns false. | 468 // otherwise it returns false. |
469 bool has_header_block() const { | 469 bool has_header_block() const { |
470 return type() == SYN_STREAM || type() == SYN_REPLY || type() == HEADERS; | 470 return type() == SYN_STREAM || type() == SYN_REPLY || type() == HEADERS; |
471 } | 471 } |
472 | 472 |
473 // Returns the size of the SpdyFrameBlock structure. | |
474 // Note: this is not the size of the SpdyControlFrame class. | |
475 static size_t size() { return sizeof(SpdyFrameBlock); } | |
476 | |
477 // The size of the 'Number of Name/Value pairs' field in a Name/Value block. | 473 // The size of the 'Number of Name/Value pairs' field in a Name/Value block. |
478 static const size_t kNumNameValuePairsSize = 2; | 474 static const size_t kNumNameValuePairsSize = 2; |
479 | 475 |
480 // The size of the 'Length of a name' field in a Name/Value block. | 476 // The size of the 'Length of a name' field in a Name/Value block. |
481 static const size_t kLengthOfNameSize = 2; | 477 static const size_t kLengthOfNameSize = 2; |
482 | 478 |
483 // The size of the 'Length of a value' field in a Name/Value block. | 479 // The size of the 'Length of a value' field in a Name/Value block. |
484 static const size_t kLengthOfValueSize = 2; | 480 static const size_t kLengthOfValueSize = 2; |
485 | 481 |
486 private: | 482 private: |
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789 struct SpdyWindowUpdateControlFrameBlock* mutable_block() { | 785 struct SpdyWindowUpdateControlFrameBlock* mutable_block() { |
790 return static_cast<SpdyWindowUpdateControlFrameBlock*>(frame_); | 786 return static_cast<SpdyWindowUpdateControlFrameBlock*>(frame_); |
791 } | 787 } |
792 | 788 |
793 DISALLOW_COPY_AND_ASSIGN(SpdyWindowUpdateControlFrame); | 789 DISALLOW_COPY_AND_ASSIGN(SpdyWindowUpdateControlFrame); |
794 }; | 790 }; |
795 | 791 |
796 } // namespace spdy | 792 } // namespace spdy |
797 | 793 |
798 #endif // NET_SPDY_SPDY_PROTOCOL_H_ | 794 #endif // NET_SPDY_SPDY_PROTOCOL_H_ |
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