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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 #include <limits> | 5 #include <limits> |
6 | 6 |
7 #include "net/spdy/spdy_frame_builder.h" | 7 #include "net/spdy/spdy_frame_builder.h" |
8 #include "net/spdy/spdy_protocol.h" | 8 #include "net/spdy/spdy_protocol.h" |
9 | 9 |
10 namespace net { | 10 namespace net { |
11 | 11 |
12 namespace { | 12 namespace { |
13 | 13 |
14 // Creates a FlagsAndLength. | 14 // Creates a FlagsAndLength. |
15 FlagsAndLength CreateFlagsAndLength(SpdyControlFlags flags, size_t length) { | 15 FlagsAndLength CreateFlagsAndLength(uint8 flags, size_t length) { |
16 DCHECK_EQ(0u, length & ~static_cast<size_t>(kLengthMask)); | 16 DCHECK_EQ(0u, length & ~static_cast<size_t>(kLengthMask)); |
17 FlagsAndLength flags_length; | 17 FlagsAndLength flags_length; |
18 flags_length.length_ = htonl(static_cast<uint32>(length)); | 18 flags_length.length_ = htonl(static_cast<uint32>(length)); |
19 DCHECK_EQ(0, flags & ~kControlFlagsMask); | 19 DCHECK_EQ(0, flags & ~kControlFlagsMask); |
20 flags_length.flags_[0] = flags; | 20 flags_length.flags_[0] = flags; |
21 return flags_length; | 21 return flags_length; |
22 } | 22 } |
23 | 23 |
24 } // namespace | 24 } // namespace |
25 | 25 |
26 SpdyFrameBuilder::SpdyFrameBuilder(size_t size) | 26 SpdyFrameBuilder::SpdyFrameBuilder(size_t size) |
27 : buffer_(new char[size]), | 27 : buffer_(new char[size]), |
28 capacity_(size), | 28 capacity_(size), |
29 length_(0) { | 29 length_(0) { |
30 } | 30 } |
31 | 31 |
32 SpdyFrameBuilder::SpdyFrameBuilder(SpdyControlType type, | 32 SpdyFrameBuilder::SpdyFrameBuilder(SpdyControlType type, |
33 SpdyControlFlags flags, | 33 uint8 flags, |
34 int spdy_version, | 34 int spdy_version, |
35 size_t size) | 35 size_t size) |
36 : buffer_(new char[size]), | 36 : buffer_(new char[size]), |
37 capacity_(size), | 37 capacity_(size), |
38 length_(0) { | 38 length_(0) { |
39 FlagsAndLength flags_length = CreateFlagsAndLength( | 39 FlagsAndLength flags_length = CreateFlagsAndLength( |
40 flags, size - SpdyFrame::kHeaderSize); | 40 flags, size - SpdyFrame::kHeaderSize); |
41 WriteUInt16(kControlFlagMask | spdy_version); | 41 WriteUInt16(kControlFlagMask | spdy_version); |
42 WriteUInt16(type); | 42 WriteUInt16(type); |
43 WriteBytes(&flags_length, sizeof(flags_length)); | 43 WriteBytes(&flags_length, sizeof(flags_length)); |
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100 | 100 |
101 bool SpdyFrameBuilder::WriteStringPiece32(const base::StringPiece& value) { | 101 bool SpdyFrameBuilder::WriteStringPiece32(const base::StringPiece& value) { |
102 if (!WriteUInt32(value.size())) { | 102 if (!WriteUInt32(value.size())) { |
103 return false; | 103 return false; |
104 } | 104 } |
105 | 105 |
106 return WriteBytes(value.data(), value.size()); | 106 return WriteBytes(value.data(), value.size()); |
107 } | 107 } |
108 | 108 |
109 } // namespace net | 109 } // namespace net |
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