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Diffstat (limited to 'third_party/libjingle/files/talk/base/helpers.h')
-rw-r--r-- | third_party/libjingle/files/talk/base/helpers.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/third_party/libjingle/files/talk/base/helpers.h b/third_party/libjingle/files/talk/base/helpers.h new file mode 100644 index 0000000..696edbe --- /dev/null +++ b/third_party/libjingle/files/talk/base/helpers.h @@ -0,0 +1,55 @@ +/* + * 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__ |