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Diffstat (limited to 'chromium/third_party/webrtc/base/helpers.h')
-rw-r--r-- | chromium/third_party/webrtc/base/helpers.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/chromium/third_party/webrtc/base/helpers.h b/chromium/third_party/webrtc/base/helpers.h new file mode 100644 index 00000000000..e46d12a3305 --- /dev/null +++ b/chromium/third_party/webrtc/base/helpers.h @@ -0,0 +1,56 @@ +/* + * 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 WEBRTC_BASE_HELPERS_H_ +#define WEBRTC_BASE_HELPERS_H_ + +#include <string> +#include "webrtc/base/basictypes.h" + +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. +// WARNING: could silently fail. Use the version below instead. +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. +bool CreateRandomString(size_t length, const std::string& table, + std::string* str); + +// Generates a random id. +uint32 CreateRandomId(); + +// Generates a 64 bit random id. +uint64 CreateRandomId64(); + +// Generates a random id > 0. +uint32 CreateRandomNonZeroId(); + +// Generates a random double between 0.0 (inclusive) and 1.0 (exclusive). +double CreateRandomDouble(); + +} // namespace rtc + +#endif // WEBRTC_BASE_HELPERS_H_ |