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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef NET_SPDY_SPDY_HTTP_UTILS_H_
#define NET_SPDY_SPDY_HTTP_UTILS_H_

#include "net/base/net_export.h"
#include "net/base/request_priority.h"
#include "net/third_party/quiche/src/quiche/spdy/core/http2_header_block.h"
#include "net/third_party/quiche/src/quiche/spdy/core/spdy_framer.h"
#include "net/third_party/quiche/src/quiche/spdy/core/spdy_protocol.h"
#include "url/gurl.h"

namespace net {

class HttpResponseInfo;
struct HttpRequestInfo;
class HttpRequestHeaders;

// Convert a spdy::Http2HeaderBlock into an HttpResponseInfo with some checks.
// `headers` input parameter with the spdy::Http2HeaderBlock.
// `response` output parameter for the HttpResponseInfo.
// Returns OK if successfully converted.  An error is returned if the
// spdy::Http2HeaderBlock is incomplete (e.g. missing 'status' or 'version') or
// checks fail.
NET_EXPORT int SpdyHeadersToHttpResponse(const spdy::Http2HeaderBlock& headers,
                                         HttpResponseInfo* response);

// Create a spdy::Http2HeaderBlock from HttpRequestInfo and HttpRequestHeaders.
NET_EXPORT void CreateSpdyHeadersFromHttpRequest(
    const HttpRequestInfo& info,
    const HttpRequestHeaders& request_headers,
    spdy::Http2HeaderBlock* headers);

// Create a spdy::Http2HeaderBlock from HttpRequestInfo and HttpRequestHeaders
// for a WebSockets over HTTP/2 request.
NET_EXPORT void CreateSpdyHeadersFromHttpRequestForWebSocket(
    const GURL& url,
    const HttpRequestHeaders& request_headers,
    spdy::Http2HeaderBlock* headers);

// Create HttpRequestHeaders from spdy::Http2HeaderBlock.
NET_EXPORT void ConvertHeaderBlockToHttpRequestHeaders(
    const spdy::Http2HeaderBlock& spdy_headers,
    HttpRequestHeaders* http_headers);

NET_EXPORT spdy::SpdyPriority ConvertRequestPriorityToSpdyPriority(
    RequestPriority priority);

NET_EXPORT RequestPriority
ConvertSpdyPriorityToRequestPriority(spdy::SpdyPriority priority);

}  // namespace net

#endif  // NET_SPDY_SPDY_HTTP_UTILS_H_