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

   1 /* LibMemcached
   2  * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
   3  * Copyright (C) 2006-2009 Brian Aker
   4  * All rights reserved.
   5  *
   6  * Use and distribution licensed under the BSD license.  See
   7  * the COPYING file in the parent directory for full text.
   8  *
   9  * Summary:
  10  *
  11  */
  12 #include "mem_config.h"
  13
  14 #include <stdio.h>
  15 #include <unistd.h>
  16 #include <string.h>
  17 #include <getopt.h>
  18 #include <libmemcached-1.0/memcached.h>
  19 #include <libmemcachedutil-1.0/util.h>
  20 #include "client_options.h"
  21 #include "utilities.h"
  22
  23 #include <iostream>
  24
  25 static bool opt_binary= false;
  26 static int opt_verbose= 0;
  27 static time_t opt_expire= 0;
  28 static char *opt_servers= NULL;
  29 static char *opt_username;
  30 static char *opt_passwd;
  31
  32 #define PROGRAM_NAME "memping"
  33 #define PROGRAM_DESCRIPTION "Ping a server to see if it is alive"
  34
  35 /* Prototypes */
  36 void options_parse(int argc, char *argv[]);
  37
  38 int main(int argc, char *argv[])
  39 {
  40   options_parse(argc, argv);
  41
  42   if (opt_servers == NULL)
  43   {
  44     char *temp;
  45
  46     if ((temp= getenv("MEMCACHED_SERVERS")))
  47     {
  48       opt_servers= strdup(temp);
  49     }
  50     else
  51     {
  52       std::cerr << "No Servers provided" << std::endl;
  53       exit(EXIT_FAILURE);
  54     }
  55   }
  56
  57   int exit_code= EXIT_SUCCESS;
  58   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  59   {
  60     for (uint32_t x= 0; x < memcached_server_list_count(servers); x++)
  61     {
  62       memcached_return_t instance_rc;
  63       const char *hostname= servers[x].hostname;
  64       in_port_t port= servers[x].port;
  65
  66       if (libmemcached_util_ping2(hostname, port, opt_username, opt_passwd, &instance_rc) == false)
  67       {
  68         std::cerr << "Failed to ping " << hostname << ":" << port << " " << memcached_strerror(NULL, instance_rc) <<  std::endl;
  69         exit_code= EXIT_FAILURE;
  70       }
  71     }
  72   }
  73   memcached_server_list_free(servers);
  74
  75   free(opt_servers);
  76
  77   return exit_code;
  78 }
  79
  80
  81 void options_parse(int argc, char *argv[])
  82 {
  83   memcached_programs_help_st help_options[]=
  84   {
  85     {0},
  86   };
  87
  88   static struct option long_options[]=
  89   {
  90     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
  91     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
  92     {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
  93     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  94     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
  95     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
  96     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
  97     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
  98     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
  99     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 100     {0, 0, 0, 0},
 101   };
 102
 103   bool opt_version= false;
 104   bool opt_help= false;
 105   int option_index= 0;
 106   while (1)
 107   {
 108     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 109
 110     if (option_rv == -1) break;
 111
 112     switch (option_rv)
 113     {
 114     case 0:
 115       break;
 116
 117     case OPT_BINARY:
 118       opt_binary= true;
 119       break;
 120
 121     case OPT_VERBOSE: /* --verbose or -v */
 122       opt_verbose = OPT_VERBOSE;
 123       break;
 124
 125     case OPT_DEBUG: /* --debug or -d */
 126       opt_verbose = OPT_DEBUG;
 127       break;
 128
 129     case OPT_VERSION: /* --version or -V */
 130       version_command(PROGRAM_NAME);
 131       break;
 132
 133     case OPT_HELP: /* --help or -h */
 134       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 135       break;
 136
 137     case OPT_SERVERS: /* --servers or -s */
 138       opt_servers= strdup(optarg);
 139       break;
 140
 141     case OPT_EXPIRE: /* --expire */
 142       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 143       break;
 144
 145     case OPT_USERNAME:
 146       opt_username= optarg;
 147       opt_binary= true;
 148       break;
 149
 150     case OPT_PASSWD:
 151       opt_passwd= optarg;
 152       break;
 153
 154     case OPT_QUIET:
 155       close_stdio();
 156       break;
 157
 158     case '?':
 159       /* getopt_long already printed an error message. */
 160       exit(1);
 161     default:
 162       abort();
 163     }
 164   }
 165
 166   if (opt_version)
 167   {
 168     version_command(PROGRAM_NAME);
 169     exit(EXIT_SUCCESS);
 170   }
 171
 172   if (opt_help)
 173   {
 174     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 175     exit(EXIT_SUCCESS);
 176   }
 177 }