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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 "net/websockets/websocket_frame.h" | 5 #include "net/websockets/websocket_frame.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
| 10 #include "base/big_endian.h" |
10 #include "base/logging.h" | 11 #include "base/logging.h" |
11 #include "base/rand_util.h" | 12 #include "base/rand_util.h" |
12 #include "net/base/big_endian.h" | |
13 #include "net/base/io_buffer.h" | 13 #include "net/base/io_buffer.h" |
14 #include "net/base/net_errors.h" | 14 #include "net/base/net_errors.h" |
15 | 15 |
16 namespace { | 16 namespace { |
17 | 17 |
18 const uint8 kFinalBit = 0x80; | 18 const uint8 kFinalBit = 0x80; |
19 const uint8 kReserved1Bit = 0x40; | 19 const uint8 kReserved1Bit = 0x40; |
20 const uint8 kReserved2Bit = 0x20; | 20 const uint8 kReserved2Bit = 0x20; |
21 const uint8 kReserved3Bit = 0x10; | 21 const uint8 kReserved3Bit = 0x10; |
22 const uint8 kOpCodeMask = 0xF; | 22 const uint8 kOpCodeMask = 0xF; |
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124 extended_length_size = 2; | 124 extended_length_size = 2; |
125 } else { | 125 } else { |
126 second_byte |= kPayloadLengthWithEightByteExtendedLengthField; | 126 second_byte |= kPayloadLengthWithEightByteExtendedLengthField; |
127 extended_length_size = 8; | 127 extended_length_size = 8; |
128 } | 128 } |
129 buffer[buffer_index++] = second_byte; | 129 buffer[buffer_index++] = second_byte; |
130 | 130 |
131 // Writes "extended payload length" field. | 131 // Writes "extended payload length" field. |
132 if (extended_length_size == 2) { | 132 if (extended_length_size == 2) { |
133 uint16 payload_length_16 = static_cast<uint16>(header.payload_length); | 133 uint16 payload_length_16 = static_cast<uint16>(header.payload_length); |
134 WriteBigEndian(buffer + buffer_index, payload_length_16); | 134 base::WriteBigEndian(buffer + buffer_index, payload_length_16); |
135 buffer_index += sizeof(payload_length_16); | 135 buffer_index += sizeof(payload_length_16); |
136 } else if (extended_length_size == 8) { | 136 } else if (extended_length_size == 8) { |
137 WriteBigEndian(buffer + buffer_index, header.payload_length); | 137 base::WriteBigEndian(buffer + buffer_index, header.payload_length); |
138 buffer_index += sizeof(header.payload_length); | 138 buffer_index += sizeof(header.payload_length); |
139 } | 139 } |
140 | 140 |
141 // Writes "masking key" field, if needed. | 141 // Writes "masking key" field, if needed. |
142 if (header.masked) { | 142 if (header.masked) { |
143 DCHECK(masking_key); | 143 DCHECK(masking_key); |
144 std::copy(masking_key->key, | 144 std::copy(masking_key->key, |
145 masking_key->key + WebSocketFrameHeader::kMaskingKeyLength, | 145 masking_key->key + WebSocketFrameHeader::kMaskingKeyLength, |
146 buffer + buffer_index); | 146 buffer + buffer_index); |
147 buffer_index += WebSocketFrameHeader::kMaskingKeyLength; | 147 buffer_index += WebSocketFrameHeader::kMaskingKeyLength; |
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230 } | 230 } |
231 | 231 |
232 MaskWebSocketFramePayloadByBytes( | 232 MaskWebSocketFramePayloadByBytes( |
233 masking_key, | 233 masking_key, |
234 (frame_offset + (aligned_end - data)) % kMaskingKeyLength, | 234 (frame_offset + (aligned_end - data)) % kMaskingKeyLength, |
235 aligned_end, | 235 aligned_end, |
236 end); | 236 end); |
237 } | 237 } |
238 | 238 |
239 } // namespace net | 239 } // namespace net |
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