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/* LibMemcached
* Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
* Copyright (C) 2006-2009 Brian Aker
* All rights reserved.
*
* Use and distribution licensed under the BSD license. See
* the COPYING file in the parent directory for full text.
*
* Summary:
*
*/
#include "mem_config.h"
#include <cerrno>
#include <cstdio>
#include <cstring>
#include <getopt.h>
#include <iostream>
#include <unistd.h>
#include <libmemcached-1.0/memcached.h>
#include "client_options.h"
#include "utilities.h"
static int opt_binary= 0;
static int opt_verbose= 0;
static time_t opt_expire= 0;
static char *opt_servers= NULL;
static char *opt_username;
static char *opt_passwd;
#define PROGRAM_NAME "memflush"
#define PROGRAM_DESCRIPTION "Erase all data in a server of memcached servers."
/* Prototypes */
void options_parse(int argc, char *argv[]);
int main(int argc, char *argv[])
{
options_parse(argc, argv);
if (!opt_servers)
{
char *temp;
if ((temp= getenv("MEMCACHED_SERVERS")))
{
opt_servers= strdup(temp);
}
if (!opt_servers)
{
std::cerr << "No Servers provided" << std::endl;
exit(EXIT_FAILURE);
}
}
memcached_server_st* servers= memcached_servers_parse(opt_servers);
if (servers == NULL or memcached_server_list_count(servers) == 0)
{
std::cerr << "Invalid server list provided:" << opt_servers << std::endl;
return EXIT_FAILURE;
}
memcached_st *memc= memcached_create(NULL);
memcached_server_push(memc, servers);
memcached_server_list_free(servers);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
(uint64_t) opt_binary);
if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
{
memcached_free(memc);
std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
return EXIT_FAILURE;
}
if (opt_username)
{
memcached_return_t ret;
if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
{
std::cerr << memcached_last_error_message(memc) << std::endl;
memcached_free(memc);
return EXIT_FAILURE;
}
}
memcached_return_t rc = memcached_flush(memc, opt_expire);
if (rc != MEMCACHED_SUCCESS)
{
std::cerr << memcached_last_error_message(memc) << std::endl;
}
memcached_free(memc);
free(opt_servers);
return EXIT_SUCCESS;
}
void options_parse(int argc, char *argv[])
{
static struct option long_options[]=
{
{(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
{(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
{(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
{(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
{(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
{(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
{(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
{(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
{(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
{(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
{0, 0, 0, 0},
};
bool opt_version= false;
bool opt_help= false;
int option_index= 0;
while (1)
{
int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
if (option_rv == -1) break;
switch (option_rv)
{
case 0:
break;
case OPT_BINARY:
opt_binary= true;
break;
case OPT_VERBOSE: /* --verbose or -v */
opt_verbose= OPT_VERBOSE;
break;
case OPT_DEBUG: /* --debug or -d */
opt_verbose= OPT_DEBUG;
break;
case OPT_VERSION: /* --version or -V */
opt_version= true;
break;
case OPT_HELP: /* --help or -h */
opt_help= true;
break;
case OPT_SERVERS: /* --servers or -s */
opt_servers= strdup(optarg);
break;
case OPT_EXPIRE: /* --expire */
errno= 0;
opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
if (errno != 0)
{
std::cerr << "Incorrect value passed to --expire: `" << optarg << "`" << std::endl;
exit(EXIT_FAILURE);
}
break;
case OPT_USERNAME:
opt_username= optarg;
break;
case OPT_PASSWD:
opt_passwd= optarg;
break;
case OPT_QUIET:
close_stdio();
break;
case '?':
/* getopt_long already printed an error message. */
exit(EXIT_FAILURE);
default:
abort();
}
}
if (opt_version)
{
version_command(PROGRAM_NAME);
exit(EXIT_SUCCESS);
}
if (opt_help)
{
help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
exit(EXIT_SUCCESS);
}
}
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