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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 "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "base/rand_util.h" | 9 #include "base/rand_util.h" |
10 #include "net/base/big_endian.h" | 10 #include "net/base/big_endian.h" |
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37 | 37 |
38 } // Unnamed namespace. | 38 } // Unnamed namespace. |
39 | 39 |
40 namespace net { | 40 namespace net { |
41 | 41 |
42 // Definitions for in-struct constants. | 42 // Definitions for in-struct constants. |
43 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeContinuation = | 43 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeContinuation = |
44 0x0; | 44 0x0; |
45 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeText = 0x1; | 45 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeText = 0x1; |
46 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeBinary = 0x2; | 46 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeBinary = 0x2; |
| 47 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeDataUnused = |
| 48 0x3; |
47 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeClose = 0x8; | 49 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeClose = 0x8; |
48 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodePing = 0x9; | 50 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodePing = 0x9; |
49 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodePong = 0xA; | 51 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodePong = 0xA; |
| 52 const WebSocketFrameHeader::OpCode WebSocketFrameHeader::kOpCodeControlUnused = |
| 53 0xB; |
| 54 |
| 55 scoped_ptr<WebSocketFrameHeader> WebSocketFrameHeader::Clone() { |
| 56 scoped_ptr<WebSocketFrameHeader> ret(new WebSocketFrameHeader(opcode)); |
| 57 ret->final = final; |
| 58 ret->reserved1 = reserved1; |
| 59 ret->reserved2 = reserved2; |
| 60 ret->reserved3 = reserved3; |
| 61 ret->opcode = opcode; |
| 62 ret->masked = masked; |
| 63 ret->payload_length = payload_length; |
| 64 return ret.Pass(); |
| 65 } |
50 | 66 |
51 WebSocketFrameChunk::WebSocketFrameChunk() : final_chunk(false) { | 67 WebSocketFrameChunk::WebSocketFrameChunk() : final_chunk(false) { |
52 } | 68 } |
53 | 69 |
54 WebSocketFrameChunk::~WebSocketFrameChunk() { | 70 WebSocketFrameChunk::~WebSocketFrameChunk() { |
55 } | 71 } |
56 | 72 |
57 int GetWebSocketFrameHeaderSize(const WebSocketFrameHeader& header) { | 73 int GetWebSocketFrameHeaderSize(const WebSocketFrameHeader& header) { |
58 int extended_length_size = 0; | 74 int extended_length_size = 0; |
59 if (header.payload_length > kMaxPayloadLengthWithoutExtendedLengthField && | 75 if (header.payload_length > kMaxPayloadLengthWithoutExtendedLengthField && |
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221 *reinterpret_cast<PackedMaskType*>(merged) ^= packed_mask_key; | 237 *reinterpret_cast<PackedMaskType*>(merged) ^= packed_mask_key; |
222 } | 238 } |
223 | 239 |
224 MaskWebSocketFramePayloadByBytes(masking_key, | 240 MaskWebSocketFramePayloadByBytes(masking_key, |
225 (frame_offset + (aligned_end - data)) | 241 (frame_offset + (aligned_end - data)) |
226 % kMaskingKeyLength, | 242 % kMaskingKeyLength, |
227 aligned_end, end); | 243 aligned_end, end); |
228 } | 244 } |
229 | 245 |
230 } // namespace net | 246 } // namespace net |
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