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43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_HTTP2_TOOLS_RANDOM_UTIL_H_
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#define NET_HTTP2_TOOLS_RANDOM_UTIL_H_
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#include <stddef.h>
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#include "net/http2/platform/api/http2_string.h"
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#include "net/http2/platform/api/http2_string_piece.h"
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namespace net {
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namespace test {
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class RandomBase;
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// Returns a random string of length |len|, each character drawn uniformly and
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// independently fom |alphabet|.
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Http2String RandomString(RandomBase* rng, int len, Http2StringPiece alphabet);
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// Returns a random integer in the range [lo, hi).
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size_t GenerateUniformInRange(size_t lo, size_t hi, RandomBase* rng);
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// Generate a string with the allowed character set for HTTP/2 / HPACK header
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// names.
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Http2String GenerateHttp2HeaderName(size_t len, RandomBase* rng);
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// Generate a string with the web-safe string character set of specified len.
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Http2String GenerateWebSafeString(size_t len, RandomBase* rng);
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// Generate a string with the web-safe string character set of length [lo, hi).
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Http2String GenerateWebSafeString(size_t lo, size_t hi, RandomBase* rng);
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// Returns a random integer in the range [0, max], with a bias towards producing
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// lower numbers.
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size_t GenerateRandomSizeSkewedLow(size_t max, RandomBase* rng);
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} // namespace test
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} // namespace net
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#endif // NET_HTTP2_TOOLS_RANDOM_UTIL_H_
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