git.m6w6.name Git - m6w6/libmemcached/blob - src/bin/memrm.cc

   1 /*
   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) 2020-2021 Michael Wallner        https://awesome.co/ |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #include "mem_config.h"
  17
  18 #define PROGRAM_NAME        "memrm"
  19 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  20 #define PROGRAM_VERSION     "1.1"
  21
  22 #include "common/options.hpp"
  23 #include "common/checks.hpp"
  24
  25 int main(int argc, char *argv[]) {
  26   client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "key [key ...]"};
  27
  28   for (const auto &def : opt.defaults) {
  29     opt.add(def);
  30   }
  31
  32   opt.add("expire", 'e', required_argument, "Remove based on expire time. DEPRECATED: has no effect.");
  33
  34   char **argp = nullptr;
  35   if (!opt.parse(argc, argv, &argp)) {
  36     exit(EXIT_FAILURE);
  37   }
  38
  39   memcached_st memc;
  40   if (!check_memcached(opt, memc)) {
  41     exit(EXIT_FAILURE);
  42   }
  43
  44   if (!opt.apply(&memc)) {
  45     memcached_free(&memc);
  46     exit(EXIT_FAILURE);
  47   }
  48
  49   if (!check_argp(opt, argp, "No key(s) provided.")){
  50     memcached_free(&memc);
  51     exit(EXIT_FAILURE);
  52   }
  53
  54   time_t expire = 0;
  55   if (auto exp_str = opt.argof("expire")) {
  56     expire = std::stoul(exp_str);
  57   }
  58
  59   auto exit_code = EXIT_SUCCESS;
  60   for (auto arg = argp; *arg; ++arg) {
  61     auto key = *arg;
  62     if (*key) {
  63       if (!check_return(opt, memc, key, memcached_delete(&memc, key, strlen(key), expire))) {
  64         exit_code = EXIT_FAILURE;
  65       }
  66     }
  67   }
  68
  69   if (!check_buffering(opt, memc)) {
  70     exit_code = EXIT_FAILURE;
  71   }
  72
  73   memcached_free(&memc);
  74   exit(exit_code);
  75 }