| Index: net/quic/quic_data_writer.h
|
| ===================================================================
|
| --- net/quic/quic_data_writer.h (revision 162262)
|
| +++ net/quic/quic_data_writer.h (working copy)
|
| @@ -1,94 +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.
|
| -
|
| -#ifndef NET_QUIC_QUIC_DATA_WRITER_H_
|
| -#define NET_QUIC_QUIC_DATA_WRITER_H_
|
| -
|
| -#include <string>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/logging.h"
|
| -#include "base/string_piece.h"
|
| -#include "net/base/net_export.h"
|
| -#include "net/quic/quic_protocol.h"
|
| -#include "net/quic/uint128.h"
|
| -
|
| -namespace net {
|
| -
|
| -// This class provides facilities for packing QUIC data.
|
| -//
|
| -// The QuicDataWriter supports appending primitive values (int, string, etc)
|
| -// to a frame instance. The QuicDataWriter grows its internal memory buffer
|
| -// dynamically to hold the sequence of primitive values. The internal memory
|
| -// buffer is exposed as the "data" of the QuicDataWriter.
|
| -class NET_EXPORT_PRIVATE QuicDataWriter {
|
| - public:
|
| - explicit QuicDataWriter(size_t length);
|
| - ~QuicDataWriter();
|
| -
|
| - // Returns the size of the QuicDataWriter's data.
|
| - size_t length() const { return length_; }
|
| -
|
| - // Takes the buffer from the QuicDataWriter.
|
| - // TODO(rch): move non-trivial methods into .cc file.
|
| - char* take() {
|
| - char* rv = buffer_;
|
| - buffer_ = NULL;
|
| - capacity_ = 0;
|
| - length_ = 0;
|
| - return rv;
|
| - }
|
| -
|
| - // Methods for adding to the payload. These values are appended to the end
|
| - // of the QuicDataWriter payload. Note - binary integers are written in
|
| - // host byte order (little endian) not network byte order (big endian).
|
| - bool WriteUInt8(uint8 value) {
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt16(uint16 value) {
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt32(uint32 value) {
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt48(uint64 value) {
|
| - uint32 hi = value >> 32;
|
| - uint32 lo = value & 0x00000000FFFFFFFF;
|
| - return WriteUInt32(lo) && WriteUInt16(hi);
|
| - }
|
| - bool WriteUInt64(uint64 value) {
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt128(uint128 value) {
|
| - return WriteUInt64(value.lo) && WriteUInt64(value.hi);
|
| - }
|
| -
|
| - bool AdvancePointer(uint32 len);
|
| -
|
| - bool WriteBytes(const void* data, uint32 data_len);
|
| -
|
| - static void WriteUint64ToBuffer(uint64 value, char* buffer);
|
| - static void WriteUint128ToBuffer(uint128 value, char* buffer);
|
| -
|
| - size_t capacity() const {
|
| - return capacity_;
|
| - }
|
| -
|
| - protected:
|
| - const char* end_of_payload() const { return buffer_ + length_; }
|
| -
|
| - private:
|
| - // Returns the location that the data should be written at, or NULL if there
|
| - // is not enough room. Call EndWrite with the returned offset and the given
|
| - // length to pad out for the next write.
|
| - char* BeginWrite(size_t length);
|
| -
|
| - char* buffer_;
|
| - size_t capacity_; // Allocation size of payload (or -1 if buffer is const).
|
| - size_t length_; // Current length of the buffer.
|
| -};
|
| -
|
| -} // namespace net
|
| -
|
| -#endif // NET_QUIC_QUIC_DATA_WRITER_H_
|
|
|