webrtc/rtc_base/helpers.h
Jonas Olsson a4d873786f Format almost everything.
This CL was generated by running

git ls-files | grep -P "(\.h|\.cc)$" | grep -v 'sdk/' | grep -v 'rtc_base/ssl_' | \
grep -v 'fake_rtc_certificate_generator.h' | grep -v 'modules/audio_device/win/' | \
grep -v 'system_wrappers/source/clock.cc' | grep -v 'rtc_base/trace_event.h' | \
grep -v 'modules/audio_coding/codecs/ilbc/' | grep -v 'screen_capturer_mac.h' | \
grep -v 'spl_inl_mips.h' | grep -v 'data_size_unittest.cc' | grep -v 'timestamp_unittest.cc' \
| xargs clang-format -i ; git cl format

Most of these changes are clang-format grouping and reordering includes
differently.

Bug: webrtc:9340
Change-Id: Ic83ddbc169bfacd21883e381b5181c3dd4fe8a63
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/144051
Commit-Queue: Jonas Olsson <jonasolsson@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28505}
2019-07-08 13:45:15 +00:00

71 lines
2.4 KiB
C++

/*
* Copyright 2004 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef RTC_BASE_HELPERS_H_
#define RTC_BASE_HELPERS_H_
#include <stddef.h>
#include <stdint.h>
#include <string>
namespace rtc {
// For testing, we can return predictable data.
void SetRandomTestMode(bool test);
// Initializes the RNG, and seeds it with the specified entropy.
bool InitRandom(int seed);
bool InitRandom(const char* seed, size_t len);
// Generates a (cryptographically) random string of the given length.
// We generate base64 values so that they will be printable.
std::string CreateRandomString(size_t length);
// Generates a (cryptographically) random string of the given length.
// We generate base64 values so that they will be printable.
// Return false if the random number generator failed.
bool CreateRandomString(size_t length, std::string* str);
// Generates a (cryptographically) random string of the given length,
// with characters from the given table. Return false if the random
// number generator failed.
// For ease of implementation, the function requires that the table
// size evenly divide 256; otherwise, it returns false.
bool CreateRandomString(size_t length,
const std::string& table,
std::string* str);
// Generates (cryptographically) random data of the given length.
// Return false if the random number generator failed.
bool CreateRandomData(size_t length, std::string* data);
// Generates a (cryptographically) random UUID version 4 string.
std::string CreateRandomUuid();
// Generates a random id.
uint32_t CreateRandomId();
// Generates a 64 bit random id.
uint64_t CreateRandomId64();
// Generates a random id > 0.
uint32_t CreateRandomNonZeroId();
// Generates a random double between 0.0 (inclusive) and 1.0 (exclusive).
double CreateRandomDouble();
// Compute moving average with the given ratio between the previous average
// value and the current value.
double GetNextMovingAverage(double prev_average, double cur, double ratio);
} // namespace rtc
#endif // RTC_BASE_HELPERS_H_