mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-12-01 09:46:09 +03:00
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
// Copyright 2016 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_THIRD_PARTY_HTTP2_TOOLS_HTTP2_RANDOM_H_
|
|
#define NET_THIRD_PARTY_HTTP2_TOOLS_HTTP2_RANDOM_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include <limits>
|
|
|
|
#include "net/third_party/http2/platform/api/http2_string.h"
|
|
|
|
namespace http2 {
|
|
namespace test {
|
|
|
|
class RandomBase {
|
|
public:
|
|
virtual ~RandomBase() {}
|
|
virtual bool OneIn(int n) = 0;
|
|
virtual int32_t Uniform(int32_t n) = 0;
|
|
virtual uint8_t Rand8() = 0;
|
|
virtual uint16_t Rand16() = 0;
|
|
virtual uint32_t Rand32() = 0;
|
|
virtual uint64_t Rand64() = 0;
|
|
virtual int32_t Next() = 0;
|
|
virtual int32_t Skewed(int max_log) = 0;
|
|
virtual Http2String RandString(int length) = 0;
|
|
|
|
// STL UniformRandomNumberGenerator implementation.
|
|
typedef uint32_t result_type;
|
|
static constexpr result_type min() { return 0; }
|
|
static constexpr result_type max() {
|
|
return std::numeric_limits<uint32_t>::max();
|
|
}
|
|
result_type operator()() { return Rand32(); }
|
|
};
|
|
|
|
// Http2Random holds no state: instances use the same base::RandGenerator
|
|
// with a global state.
|
|
class Http2Random : public RandomBase {
|
|
public:
|
|
~Http2Random() override {}
|
|
bool OneIn(int n) override;
|
|
int32_t Uniform(int32_t n) override;
|
|
uint8_t Rand8() override;
|
|
uint16_t Rand16() override;
|
|
uint32_t Rand32() override;
|
|
uint64_t Rand64() override;
|
|
int32_t Next() override;
|
|
int32_t Skewed(int max_log) override;
|
|
Http2String RandString(int length) override;
|
|
};
|
|
|
|
} // namespace test
|
|
} // namespace http2
|
|
|
|
#endif // NET_THIRD_PARTY_HTTP2_TOOLS_HTTP2_RANDOM_H_
|