| /* |
| * libjingle |
| * Copyright 2004--2005, Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __HELPERS_H__ |
| #define __HELPERS_H__ |
| |
| #include "talk/base/basictypes.h" |
| #include <string> |
| |
| namespace cricket { |
| |
| // srand initializer |
| void InitRandom(const char *client_unique, size_t len); |
| |
| // For testing, the random seed can be directly accessed. |
| long GetRandomSeed(); |
| void SetRandomSeed(unsigned long seed); |
| |
| // Generates a (cryptographically) random string of the given length. |
| std::string CreateRandomString(int length); |
| |
| // Generates a random id |
| uint32 CreateRandomId(); |
| |
| // Determines whether the given string consists entirely of valid base64 |
| // encoded characters. |
| bool IsBase64Encoded(const std::string& str); |
| |
| } // namespace cricket |
| |
| #endif // __HELPERS_H__ |