2 +--------------------------------------------------------------------+
3 | libmemcached - C/C++ Client Library for memcached |
4 +--------------------------------------------------------------------+
5 | Redistribution and use in source and binary forms, with or without |
6 | modification, are permitted under the terms of the BSD license. |
7 | You should have received a copy of the license in a bundled file |
8 | named LICENSE; in case you did not receive a copy you can review |
9 | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
10 +--------------------------------------------------------------------+
11 | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
12 | Copyright (c) 2020 Michael Wallner <mike@php.net> |
13 +--------------------------------------------------------------------+
23 #include <type_traits>
29 using kv_pair = pair<string, string>;
31 extern mt19937_64 rnd_eng;
37 enable_if_t<is_integral_v<T>, T> random_num(T min, T max) {
38 lock_guard m{rnd_mtx};
39 return uniform_int_distribution<T>(min, max)(rnd_eng);
42 unsigned random_port();
43 string random_port_string(const string &);
46 string random_binary_string(size_t len);
47 char random_ascii(char min = '!', char max = '~');
48 string random_ascii_string(size_t len, char min = '!', char max = '~');
49 kv_pair random_ascii_pair(size_t minlen = 1 << 2, size_t maxlen = 1 << 10);
51 template<template<typename> class Container>
52 auto random_ascii_pairs(size_t count, size_t minlen = 1 << 2, size_t maxlen = 1 << 10) {
56 for (size_t i = 0; i < count; ++i) {
57 v.emplace_back(random_ascii_pair(minlen, maxlen));
63 string random_socket(const string &prefix = "/tmp/libmc.");
64 string random_socket_or_port_string(const string &what);
65 string random_socket_or_port_flag(const string &binary);
67 inline auto random_socket_or_port_arg() {
68 return make_pair(&random_socket_or_port_flag, &random_socket_or_port_string);