git.m6w6.name Git - m6w6/libmemcached/blob - clients/memping.cc

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11 #include "config.h"
  12
  13 #include <stdio.h>
  14 #include <unistd.h>
  15 #include <string.h>
  16 #include <getopt.h>
  17 #include <libmemcached/memcached.h>
  18 #include <libmemcached/util.h>
  19 #include "client_options.h"
  20 #include "utilities.h"
  21
  22 #include <iostream>
  23
  24 static bool opt_binary= false;
  25 static int opt_verbose= 0;
  26 static time_t opt_expire= 0;
  27 static char *opt_servers= NULL;
  28 static char *opt_username;
  29 static char *opt_passwd;
  30
  31 #define PROGRAM_NAME "memping"
  32 #define PROGRAM_DESCRIPTION "Ping a server to see if it is alive"
  33
  34 /* Prototypes */
  35 void options_parse(int argc, char *argv[]);
  36
  37 int main(int argc, char *argv[])
  38 {
  39   options_parse(argc, argv);
  40
  41   if (opt_servers == NULL)
  42   {
  43     char *temp;
  44
  45     if ((temp= getenv("MEMCACHED_SERVERS")))
  46     {
  47       opt_servers= strdup(temp);
  48     }
  49     else
  50     {
  51       std::cerr << "No Servers provided" << std::endl;
  52       exit(EXIT_FAILURE);
  53     }
  54   }
  55
  56   int exit_code= EXIT_SUCCESS;
  57   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  58   {
  59     for (uint32_t x= 0; x < memcached_server_list_count(servers); x++)
  60     {
  61       memcached_return_t instance_rc;
  62       const char *hostname= servers[x].hostname;
  63       in_port_t port= servers[x].port;
  64
  65       if (libmemcached_util_ping2(hostname, port, opt_username, opt_passwd, &instance_rc) == false)
  66       {
  67         std::cerr << "Failed to ping " << hostname << ":" << port << " " << memcached_strerror(NULL, instance_rc) <<  std::endl;
  68         exit_code= EXIT_FAILURE;
  69       }
  70     }
  71   }
  72   memcached_server_list_free(servers);
  73
  74   free(opt_servers);
  75
  76   return exit_code;
  77 }
  78
  79
  80 void options_parse(int argc, char *argv[])
  81 {
  82   memcached_programs_help_st help_options[]=
  83   {
  84     {0},
  85   };
  86
  87   static struct option long_options[]=
  88   {
  89     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
  90     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
  91     {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
  92     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  93     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
  94     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
  95     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
  96     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
  97     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
  98     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
  99     {0, 0, 0, 0},
 100   };
 101
 102   bool opt_version= false;
 103   bool opt_help= false;
 104   int option_index= 0;
 105   while (1)
 106   {
 107     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 108
 109     if (option_rv == -1) break;
 110
 111     switch (option_rv)
 112     {
 113     case 0:
 114       break;
 115
 116     case OPT_BINARY:
 117       opt_binary= true;
 118       break;
 119
 120     case OPT_VERBOSE: /* --verbose or -v */
 121       opt_verbose = OPT_VERBOSE;
 122       break;
 123
 124     case OPT_DEBUG: /* --debug or -d */
 125       opt_verbose = OPT_DEBUG;
 126       break;
 127
 128     case OPT_VERSION: /* --version or -V */
 129       version_command(PROGRAM_NAME);
 130       break;
 131
 132     case OPT_HELP: /* --help or -h */
 133       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 134       break;
 135
 136     case OPT_SERVERS: /* --servers or -s */
 137       opt_servers= strdup(optarg);
 138       break;
 139
 140     case OPT_EXPIRE: /* --expire */
 141       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 142       break;
 143
 144     case OPT_USERNAME:
 145       opt_username= optarg;
 146       break;
 147
 148     case OPT_PASSWD:
 149       opt_passwd= optarg;
 150       break;
 151
 152     case OPT_QUIET:
 153       close_stdio();
 154       break;
 155
 156     case '?':
 157       /* getopt_long already printed an error message. */
 158       exit(1);
 159     default:
 160       abort();
 161     }
 162   }
 163
 164   if (opt_version)
 165   {
 166     version_command(PROGRAM_NAME);
 167     exit(EXIT_SUCCESS);
 168   }
 169
 170   if (opt_help)
 171   {
 172     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 173     exit(EXIT_SUCCESS);
 174   }
 175 }