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1 /* | 1 /* |
2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. | 2 * Copyright 2004 The WebRTC Project Authors. All rights reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_BASE_HELPERS_H_ | 11 #ifndef WEBRTC_BASE_HELPERS_H_ |
12 #define WEBRTC_BASE_HELPERS_H_ | 12 #define WEBRTC_BASE_HELPERS_H_ |
13 | 13 |
14 #include <string> | |
15 #include "webrtc/base/basictypes.h" | |
16 | 14 |
17 namespace rtc { | 15 // This header is deprecated and is just left here temporarily during |
18 | 16 // refactoring. See https://bugs.webrtc.org/7634 for more details. |
19 // For testing, we can return predictable data. | 17 #include "webrtc/rtc_base/helpers.h" |
20 void SetRandomTestMode(bool test); | |
21 | |
22 // Initializes the RNG, and seeds it with the specified entropy. | |
23 bool InitRandom(int seed); | |
24 bool InitRandom(const char* seed, size_t len); | |
25 | |
26 // Generates a (cryptographically) random string of the given length. | |
27 // We generate base64 values so that they will be printable. | |
28 std::string CreateRandomString(size_t length); | |
29 | |
30 // Generates a (cryptographically) random string of the given length. | |
31 // We generate base64 values so that they will be printable. | |
32 // Return false if the random number generator failed. | |
33 bool CreateRandomString(size_t length, std::string* str); | |
34 | |
35 // Generates a (cryptographically) random string of the given length, | |
36 // with characters from the given table. Return false if the random | |
37 // number generator failed. | |
38 // For ease of implementation, the function requires that the table | |
39 // size evenly divide 256; otherwise, it returns false. | |
40 bool CreateRandomString(size_t length, const std::string& table, | |
41 std::string* str); | |
42 | |
43 // Generates (cryptographically) random data of the given length. | |
44 // Return false if the random number generator failed. | |
45 bool CreateRandomData(size_t length, std::string* data); | |
46 | |
47 // Generates a (cryptographically) random UUID version 4 string. | |
48 std::string CreateRandomUuid(); | |
49 | |
50 // Generates a random id. | |
51 uint32_t CreateRandomId(); | |
52 | |
53 // Generates a 64 bit random id. | |
54 uint64_t CreateRandomId64(); | |
55 | |
56 // Generates a random id > 0. | |
57 uint32_t CreateRandomNonZeroId(); | |
58 | |
59 // Generates a random double between 0.0 (inclusive) and 1.0 (exclusive). | |
60 double CreateRandomDouble(); | |
61 | |
62 } // namespace rtc | |
63 | 18 |
64 #endif // WEBRTC_BASE_HELPERS_H_ | 19 #endif // WEBRTC_BASE_HELPERS_H_ |
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