| Index: net/spdy/spdy_frame_builder.h
|
| diff --git a/net/spdy/spdy_frame_builder.h b/net/spdy/spdy_frame_builder.h
|
| deleted file mode 100644
|
| index bd709770c702a7e856f635b2f00c3d6aa2aa7d64..0000000000000000000000000000000000000000
|
| --- a/net/spdy/spdy_frame_builder.h
|
| +++ /dev/null
|
| @@ -1,152 +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_SPDY_SPDY_FRAME_BUILDER_H_
|
| -#define NET_SPDY_SPDY_FRAME_BUILDER_H_
|
| -
|
| -#include <string>
|
| -
|
| -#include "base/basictypes.h"
|
| -#include "base/memory/scoped_ptr.h"
|
| -#include "base/strings/string_piece.h"
|
| -#include "base/sys_byteorder.h"
|
| -#include "net/base/net_export.h"
|
| -#include "net/spdy/spdy_protocol.h"
|
| -
|
| -namespace net {
|
| -
|
| -class SpdyFramer;
|
| -
|
| -// This class provides facilities for basic binary value packing
|
| -// into Spdy frames.
|
| -//
|
| -// The SpdyFrameBuilder supports appending primitive values (int, string, etc)
|
| -// to a frame instance. The SpdyFrameBuilder grows its internal memory buffer
|
| -// dynamically to hold the sequence of primitive values. The internal memory
|
| -// buffer is exposed as the "data" of the SpdyFrameBuilder.
|
| -class NET_EXPORT_PRIVATE SpdyFrameBuilder {
|
| - public:
|
| - // Initializes a SpdyFrameBuilder with a buffer of given size
|
| - SpdyFrameBuilder(size_t size, SpdyMajorVersion version);
|
| -
|
| - ~SpdyFrameBuilder();
|
| -
|
| - // Returns the total size of the SpdyFrameBuilder's data, which may include
|
| - // multiple frames.
|
| - size_t length() const { return offset_ + length_; }
|
| -
|
| - // Returns a writeable buffer of given size in bytes, to be appended to the
|
| - // currently written frame. Does bounds checking on length but does not
|
| - // increment the underlying iterator. To do so, consumers should subsequently
|
| - // call Seek().
|
| - // In general, consumers should use Write*() calls instead of this.
|
| - // Returns NULL on failure.
|
| - char* GetWritableBuffer(size_t length);
|
| -
|
| - // Seeks forward by the given number of bytes. Useful in conjunction with
|
| - // GetWriteableBuffer() above.
|
| - bool Seek(size_t length);
|
| -
|
| - // Populates this frame with a SPDY control frame header using
|
| - // version-specific information from the |framer| and length information from
|
| - // capacity_. The given type must be a control frame type.
|
| - // Used only for SPDY versions <4.
|
| - bool WriteControlFrameHeader(const SpdyFramer& framer,
|
| - SpdyFrameType type,
|
| - uint8 flags);
|
| -
|
| - // Populates this frame with a SPDY data frame header using version-specific
|
| - // information from the |framer| and length information from capacity_.
|
| - bool WriteDataFrameHeader(const SpdyFramer& framer,
|
| - SpdyStreamId stream_id,
|
| - uint8 flags);
|
| -
|
| - // Populates this frame with a SPDY4/HTTP2 frame prefix using
|
| - // version-specific information from the |framer| and length information from
|
| - // capacity_. The given type must be a control frame type.
|
| - // Used only for SPDY versions >=4.
|
| - bool BeginNewFrame(const SpdyFramer& framer,
|
| - SpdyFrameType type,
|
| - uint8 flags,
|
| - SpdyStreamId stream_id);
|
| -
|
| - // Takes the buffer from the SpdyFrameBuilder.
|
| - SpdyFrame* take() {
|
| - if (version_ > SPDY3) {
|
| - DLOG_IF(DFATAL, SpdyConstants::GetFrameMaximumSize(version_) < length_)
|
| - << "Frame length " << length_
|
| - << " is longer than the maximum allowed length.";
|
| - }
|
| - SpdyFrame* rv = new SpdyFrame(buffer_.release(), length(), true);
|
| - capacity_ = 0;
|
| - length_ = 0;
|
| - offset_ = 0;
|
| - return rv;
|
| - }
|
| -
|
| - // Methods for adding to the payload. These values are appended to the end
|
| - // of the SpdyFrameBuilder payload. Note - binary integers are converted from
|
| - // host to network form.
|
| - bool WriteUInt8(uint8 value) {
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt16(uint16 value) {
|
| - value = htons(value);
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt24(uint32 value) {
|
| - value = htonl(value);
|
| - return WriteBytes(reinterpret_cast<char*>(&value) + 1,
|
| - sizeof(value) - 1);
|
| - }
|
| - bool WriteUInt32(uint32 value) {
|
| - value = htonl(value);
|
| - return WriteBytes(&value, sizeof(value));
|
| - }
|
| - bool WriteUInt64(uint64 value) {
|
| - uint32 upper = htonl(value >> 32);
|
| - uint32 lower = htonl(static_cast<uint32>(value));
|
| - return (WriteBytes(&upper, sizeof(upper)) &&
|
| - WriteBytes(&lower, sizeof(lower)));
|
| - }
|
| - // TODO(hkhalil) Rename to WriteStringPiece16().
|
| - bool WriteString(const std::string& value);
|
| - bool WriteStringPiece32(const base::StringPiece& value);
|
| - bool WriteBytes(const void* data, uint32 data_len);
|
| -
|
| - // Update (in-place) the length field in the frame being built to reflect the
|
| - // current actual length of bytes written to said frame through this builder.
|
| - // The framer parameter is used to determine version-specific location and
|
| - // size information of the length field to be written, and must be initialized
|
| - // with the correct version for the frame being written.
|
| - bool RewriteLength(const SpdyFramer& framer);
|
| -
|
| - // Update (in-place) the length field in the frame being built to reflect the
|
| - // given length.
|
| - // The framer parameter is used to determine version-specific location and
|
| - // size information of the length field to be written, and must be initialized
|
| - // with the correct version for the frame being written.
|
| - bool OverwriteLength(const SpdyFramer& framer, size_t length);
|
| -
|
| - // Update (in-place) the flags field in the frame being built to reflect the
|
| - // given flags value.
|
| - // Used only for SPDY versions >=4.
|
| - bool OverwriteFlags(const SpdyFramer& framer, uint8 flags);
|
| -
|
| - private:
|
| - // Checks to make sure that there is an appropriate amount of space for a
|
| - // write of given size, in bytes.
|
| - bool CanWrite(size_t length) const;
|
| -
|
| - scoped_ptr<char[]> buffer_;
|
| - size_t capacity_; // Allocation size of payload, set by constructor.
|
| - size_t length_; // Length of the latest frame in the buffer.
|
| - size_t offset_; // Position at which the latest frame begins.
|
| -
|
| - const SpdyMajorVersion version_;
|
| -};
|
| -
|
| -} // namespace net
|
| -
|
| -#endif // NET_SPDY_SPDY_FRAME_BUILDER_H_
|
|
|