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| // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| #include "net/quic/quic_utils.h" | |
| #include "base/logging.h" | |
| namespace net { | |
| // static | |
| int QuicUtils::StreamFragmentPacketOverhead(int num_fragments) { | |
| return kPacketHeaderSize + | |
| 1 + // fragment count | |
|
jar (doing other things)
2012/10/14 23:04:38
nit: much better would be some sizeof(names) here.
Ryan Hamilton
2012/10/15 21:22:08
added todo.
| |
| (1 + // 8 bit type | |
| 2 + // 16 bit length | |
| kMinStreamFragmentLength) * num_fragments; | |
| } | |
| // The following two constants are defined as part of the hash algorithm. | |
| // 309485009821345068724781371 | |
| static uint128 kPrime(16777216, 315); | |
|
jar (doing other things)
2012/10/14 23:04:38
nit: I like statics... but I think we're supposed
Ryan Hamilton
2012/10/15 21:22:08
added todo.
| |
| // 14406626329776981559649562966706236762 | |
| static uint128 kOffset(780984778246553632, 4400696054689967450); | |
| uint128 QuicUtils::FNV1a_128_Hash(const char* data, int len) { | |
| const uint8* octets = reinterpret_cast<const uint8*>(data); | |
| uint128 hash = kOffset; | |
| for (int i = 0; i < len; ++i) { | |
| hash = hash ^ uint128(0, octets[i]); | |
| hash = hash * kPrime; | |
| } | |
| return hash; | |
| } | |
| #define RETURN_STRING_LITERAL(x) \ | |
| case x: \ | |
| return #x; | |
| const char* QuicUtils::ErrorToString(QuicErrorCode error) { | |
| switch (error) { | |
| RETURN_STRING_LITERAL(QUIC_NO_ERROR); | |
| RETURN_STRING_LITERAL(QUIC_STREAM_DATA_AFTER_TERMINATION); | |
| RETURN_STRING_LITERAL(QUIC_SERVER_ERROR_PROCESSING_STREAM); | |
| RETURN_STRING_LITERAL(QUIC_MULTIPLE_TERMINATION_OFFSETS); | |
| RETURN_STRING_LITERAL(QUIC_BAD_APPLICATION_PAYLOAD); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_PACKET_HEADER); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_FRAGMENT_DATA); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_FEC_DATA); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_RST_STREAM_DATA); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_CONNECTION_CLOSE_DATA); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_ACK_DATA); | |
| RETURN_STRING_LITERAL(QUIC_DECRYPTION_FAILURE); | |
| RETURN_STRING_LITERAL(QUIC_ENCRYPTION_FAILURE); | |
| RETURN_STRING_LITERAL(QUIC_PACKET_TOO_LARGE); | |
| RETURN_STRING_LITERAL(QUIC_PACKET_FOR_NONEXISTENT_STREAM); | |
| RETURN_STRING_LITERAL(QUIC_CLIENT_GOING_AWAY); | |
| RETURN_STRING_LITERAL(QUIC_SERVER_GOING_AWAY); | |
| RETURN_STRING_LITERAL(QUIC_CRYPTO_TAGS_OUT_OF_ORDER); | |
| RETURN_STRING_LITERAL(QUIC_CRYPTO_TOO_MANY_ENTRIES); | |
| RETURN_STRING_LITERAL(QUIC_CRYPTO_INVALID_VALUE_LENGTH) | |
| RETURN_STRING_LITERAL(QUIC_CRYPTO_MESSAGE_AFTER_HANDSHAKE_COMPLETE); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_CRYPTO_MESSAGE_TYPE); | |
| RETURN_STRING_LITERAL(QUIC_INVALID_STREAM_ID); | |
| RETURN_STRING_LITERAL(QUIC_TOO_MANY_OPEN_STREAMS); | |
| RETURN_STRING_LITERAL(QUIC_CONNECTION_TIMED_OUT); | |
| // Intentionally have no default case, so we'll break the build | |
| // if we add errors and don't put them here. | |
| } | |
| return ""; | |
| } | |
| } // namespace net | |
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