git.m6w6.name Git - awesomized/libmemcached/blob - src/bin/memerror.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 Michael Wallner   <mike@php.net>                |
  13     +--------------------------------------------------------------------+
  14 */
  15
  16 #include "mem_config.h"
  17
  18 #define PROGRAM_NAME        "memerror"
  19 #define PROGRAM_DESCRIPTION "Translate a memcached error code into a string."
  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, "code [code ...]"};
  27
  28   for (const auto &def : opt.defaults) {
  29     switch (def.opt.val) {
  30     case 'h': // --help
  31     case 'V': // --version
  32     case 'v': // --verbose
  33     case 'd': // --debug
  34     case 'q': // --quiet
  35       opt.add(def);
  36       break;
  37     default:
  38       break;
  39     }
  40   }
  41
  42   char **argp = nullptr;
  43   if (!opt.parse(argc, argv, &argp)) {
  44     exit(EXIT_FAILURE);
  45   }
  46
  47   if (!opt.apply(nullptr)) {
  48     exit(EXIT_FAILURE);
  49   }
  50
  51   if (!check_argp(opt, argp, "No error code(s) provided.")) {
  52     exit(EXIT_FAILURE);
  53   }
  54
  55   auto exit_code = EXIT_SUCCESS;
  56   for (auto arg = argp; *arg; ++arg) {
  57     auto code = std::stoul(*arg);
  58     auto rc = static_cast<memcached_return_t>(code);
  59
  60     if (opt.isset("verbose")) {
  61       std::cout << "code: " << code << "\n";
  62       std::cout << "name: ";
  63     }
  64     if (rc >= MEMCACHED_MAXIMUM_RETURN) {
  65       exit_code = EXIT_FAILURE;
  66       std::cerr << memcached_strerror(nullptr, rc) << std::endl;
  67     } else {
  68       std::cout << memcached_strerror(nullptr, rc) << std::endl;
  69     }
  70   }
  71
  72   exit(exit_code);
  73 }