| Index: net/quic/quic_data_reader.cc
|
| diff --git a/net/quic/quic_data_reader.cc b/net/quic/quic_data_reader.cc
|
| deleted file mode 100644
|
| index b9a6acf32f5b28c442caf18ba17d93ebc912be8f..0000000000000000000000000000000000000000
|
| --- a/net/quic/quic_data_reader.cc
|
| +++ /dev/null
|
| @@ -1,167 +0,0 @@
|
| -// 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_data_reader.h"
|
| -
|
| -#include "net/base/int128.h"
|
| -#include "net/quic/quic_protocol.h"
|
| -
|
| -using base::StringPiece;
|
| -
|
| -namespace net {
|
| -
|
| -QuicDataReader::QuicDataReader(const char* data, const size_t len)
|
| - : data_(data),
|
| - len_(len),
|
| - pos_(0) {
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUInt16(uint16* result) {
|
| - return ReadBytes(result, sizeof(*result));
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUInt32(uint32* result) {
|
| - return ReadBytes(result, sizeof(*result));
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUInt48(uint64* result) {
|
| - uint32 lo;
|
| - if (!ReadUInt32(&lo)) {
|
| - return false;
|
| - }
|
| -
|
| - uint16 hi;
|
| - if (!ReadUInt16(&hi)) {
|
| - return false;
|
| - }
|
| -
|
| - *result = hi;
|
| - *result <<= 32;
|
| - *result += lo;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUInt64(uint64* result) {
|
| - return ReadBytes(result, sizeof(*result));
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUInt128(uint128* result) {
|
| - uint64 high_hash;
|
| - uint64 low_hash;
|
| -
|
| - if (!ReadUInt64(&low_hash)) {
|
| - return false;
|
| - }
|
| - if (!ReadUInt64(&high_hash)) {
|
| - return false;
|
| - }
|
| -
|
| - *result = uint128(high_hash, low_hash);
|
| - return true;
|
| -}
|
| -
|
| -bool QuicDataReader::ReadUFloat16(uint64* result) {
|
| - uint16 value;
|
| - if (!ReadUInt16(&value)) {
|
| - return false;
|
| - }
|
| -
|
| - *result = value;
|
| - if (*result < (1 << kUFloat16MantissaEffectiveBits)) {
|
| - // Fast path: either the value is denormalized (no hidden bit), or
|
| - // normalized (hidden bit set, exponent offset by one) with exponent zero.
|
| - // Zero exponent offset by one sets the bit exactly where the hidden bit is.
|
| - // So in both cases the value encodes itself.
|
| - return true;
|
| - }
|
| -
|
| - uint16 exponent = value >> kUFloat16MantissaBits; // No sign extend on uint!
|
| - // After the fast pass, the exponent is at least one (offset by one).
|
| - // Un-offset the exponent.
|
| - --exponent;
|
| - DCHECK_GE(exponent, 1);
|
| - DCHECK_LE(exponent, kUFloat16MaxExponent);
|
| - // Here we need to clear the exponent and set the hidden bit. We have already
|
| - // decremented the exponent, so when we subtract it, it leaves behind the
|
| - // hidden bit.
|
| - *result -= exponent << kUFloat16MantissaBits;
|
| - *result <<= exponent;
|
| - DCHECK_GE(value, 1 << kUFloat16MantissaEffectiveBits);
|
| - DCHECK_LE(value, kUFloat16MaxValue);
|
| - return true;
|
| -}
|
| -
|
| -bool QuicDataReader::ReadStringPiece16(StringPiece* result) {
|
| - // Read resultant length.
|
| - uint16 result_len;
|
| - if (!ReadUInt16(&result_len)) {
|
| - // OnFailure() already called.
|
| - return false;
|
| - }
|
| -
|
| - return ReadStringPiece(result, result_len);
|
| -}
|
| -
|
| -bool QuicDataReader::ReadStringPiece(StringPiece* result, size_t size) {
|
| - // Make sure that we have enough data to read.
|
| - if (!CanRead(size)) {
|
| - OnFailure();
|
| - return false;
|
| - }
|
| -
|
| - // Set result.
|
| - result->set(data_ + pos_, size);
|
| -
|
| - // Iterate.
|
| - pos_ += size;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -StringPiece QuicDataReader::ReadRemainingPayload() {
|
| - StringPiece payload = PeekRemainingPayload();
|
| - pos_ = len_;
|
| - return payload;
|
| -}
|
| -
|
| -StringPiece QuicDataReader::PeekRemainingPayload() {
|
| - return StringPiece(data_ + pos_, len_ - pos_);
|
| -}
|
| -
|
| -bool QuicDataReader::ReadBytes(void* result, size_t size) {
|
| - // Make sure that we have enough data to read.
|
| - if (!CanRead(size)) {
|
| - OnFailure();
|
| - return false;
|
| - }
|
| -
|
| - // Read into result.
|
| - memcpy(result, data_ + pos_, size);
|
| -
|
| - // Iterate.
|
| - pos_ += size;
|
| -
|
| - return true;
|
| -}
|
| -
|
| -bool QuicDataReader::IsDoneReading() const {
|
| - return len_ == pos_;
|
| -}
|
| -
|
| -size_t QuicDataReader::BytesRemaining() const {
|
| - return len_ - pos_;
|
| -}
|
| -
|
| -bool QuicDataReader::CanRead(size_t bytes) const {
|
| - return bytes <= (len_ - pos_);
|
| -}
|
| -
|
| -void QuicDataReader::OnFailure() {
|
| - // Set our iterator to the end of the buffer so that further reads fail
|
| - // immediately.
|
| - pos_ = len_;
|
| -}
|
| -
|
| -} // namespace net
|
|
|