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// Copyright (c) 2013 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_SPDY_UTILS_H_
#define NET_QUIC_SPDY_UTILS_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <string>
#include "base/macros.h"
#include "net/base/net_export.h"
#include "net/quic/quic_protocol.h"
#include "net/spdy/spdy_framer.h"
namespace net {
class NET_EXPORT_PRIVATE SpdyUtils {
public:
static std::string SerializeUncompressedHeaders(
const SpdyHeaderBlock& headers);
// Parses |data| as a std::string containing serialized HTTP/2 HEADERS frame,
// populating |headers| with the key->value std:pairs found.
// |content_length| will be populated with the value of the content-length
// header if one or more are present.
// Returns true on success, false if parsing fails, or invalid keys are found.
static bool ParseHeaders(const char* data,
uint32_t data_len,
int* content_length,
SpdyHeaderBlock* headers);
// Parses |data| as a std::string containing serialized HTTP/2 HEADERS frame,
// populating |trailers| with the key->value std:pairs found.
// The final offset header will be excluded from |trailers|, and instead the
// value will be copied to |final_byte_offset|.
// Returns true on success, false if parsing fails, or invalid keys are found.
static bool ParseTrailers(const char* data,
uint32_t data_len,
size_t* final_byte_offset,
SpdyHeaderBlock* trailers);
// Returns URL composed from scheme, authority, and path header
// values, or empty string if any of those fields are missing.
static std::string GetUrlFromHeaderBlock(const net::SpdyHeaderBlock& headers);
// Returns true if result of |GetUrlFromHeaderBlock()| is non-empty
// and is a well-formed URL.
static bool UrlIsValid(const net::SpdyHeaderBlock& headers);
private:
DISALLOW_COPY_AND_ASSIGN(SpdyUtils);
};
} // namespace net
#endif // NET_QUIC_SPDY_UTILS_H_
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