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Issue 11416058: Integrating the QuicStreamFactory into the network stack. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix static initializer Created 8 years ago
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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/quic/quic_utils.h" 5 #include "net/quic/quic_utils.h"
6 6
7 #include "base/logging.h" 7 #include "base/logging.h"
8 #include "base/port.h" 8 #include "base/port.h"
9 9
10 namespace net { 10 namespace net {
11 11
12 // static 12 // static
13 size_t QuicUtils::StreamFramePacketOverhead(int num_frames) { 13 size_t QuicUtils::StreamFramePacketOverhead(int num_frames) {
14 // TODO(jar): Use sizeof(some name). 14 // TODO(jar): Use sizeof(some name).
15 return kPacketHeaderSize + 15 return kPacketHeaderSize +
16 1 + // frame count 16 1 + // frame count
17 (1 + // 8 bit type 17 (1 + // 8 bit type
18 2 + // 16 bit length 18 2 + // 16 bit length
19 kMinStreamFrameLength) * num_frames; 19 kMinStreamFrameLength) * num_frames;
20 } 20 }
21 21
22 // TODO(jar): put into an anonymous namespage. 22 uint128 QuicUtils::FNV1a_128_Hash(const char* data, int len) {
23 // The following two constants are defined as part of the hash algorithm. 23 // The following two constants are defined as part of the hash algorithm.
24 // 309485009821345068724781371 24 // 309485009821345068724781371
25 static uint128 kPrime(16777216, 315); 25 const uint128 kPrime(16777216, 315);
26 // 14406626329776981559649562966706236762 26 // 14406626329776981559649562966706236762
27 static uint128 kOffset(GG_UINT64_C(780984778246553632), 27 const uint128 kOffset(GG_UINT64_C(780984778246553632),
28 GG_UINT64_C(4400696054689967450)); 28 GG_UINT64_C(4400696054689967450));
29 29
30 uint128 QuicUtils::FNV1a_128_Hash(const char* data, int len) {
31 const uint8* octets = reinterpret_cast<const uint8*>(data); 30 const uint8* octets = reinterpret_cast<const uint8*>(data);
32 31
33 uint128 hash = kOffset; 32 uint128 hash = kOffset;
34 33
35 for (int i = 0; i < len; ++i) { 34 for (int i = 0; i < len; ++i) {
36 hash = hash ^ uint128(0, octets[i]); 35 hash = hash ^ uint128(0, octets[i]);
37 hash = hash * kPrime; 36 hash = hash * kPrime;
38 } 37 }
39 38
40 return hash; 39 return hash;
(...skipping 30 matching lines...) Expand all
71 RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_ID); 70 RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_ID);
72 RETURN_STRING_LITERAL(QUIC_TOO_MANY_OPEN_STREAMS); 71 RETURN_STRING_LITERAL(QUIC_TOO_MANY_OPEN_STREAMS);
73 RETURN_STRING_LITERAL(QUIC_CONNECTION_TIMED_OUT); 72 RETURN_STRING_LITERAL(QUIC_CONNECTION_TIMED_OUT);
74 // Intentionally have no default case, so we'll break the build 73 // Intentionally have no default case, so we'll break the build
75 // if we add errors and don't put them here. 74 // if we add errors and don't put them here.
76 } 75 }
77 return ""; 76 return "";
78 } 77 }
79 78
80 } // namespace net 79 } // namespace net
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