-/* 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"
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached-awesome - C/C++ Client Library for memcached |
+ +--------------------------------------------------------------------+
+ | Redistribution and use in source and binary forms, with or without |
+ | modification, are permitted under the terms of the BSD license. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | the terms online at: https://opensource.org/licenses/BSD-3-Clause |
+ +--------------------------------------------------------------------+
+ | Copyright (c) 2006-2014 Brian Aker https://datadifferential.com/ |
+ | Copyright (c) 2020-2021 Michael Wallner https://awesome.co/ |
+ +--------------------------------------------------------------------+
+*/
-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."
+#include "mem_config.h"
-/* Prototypes */
-void options_parse(int argc, char *argv[]);
+#define PROGRAM_NAME "memflush"
+#define PROGRAM_DESCRIPTION "Erase all data in a cluster of memcached servers."
+#define PROGRAM_VERSION "1.1"
-int main(int argc, char *argv[])
-{
- options_parse(argc, argv);
+#include "common/options.hpp"
+#include "common/checks.hpp"
- if (opt_servers == NULL)
- {
- char *temp;
+int main(int argc, char *argv[]) {
+ client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION};
- if ((temp= getenv("MEMCACHED_SERVERS")))
- {
- opt_servers= strdup(temp);
- }
-
- if (opt_servers == NULL)
- {
- std::cerr << "No Servers provided" << std::endl;
- exit(EXIT_FAILURE);
+ for (const auto &def : opt.defaults) {
+ switch (def.opt.val) {
+ case 'H': // no need for --hash
+ break;
+ default:
+ opt.add(def);
+ break;
}
}
- 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;
- free(opt_servers);
- return EXIT_FAILURE;
- }
-
- free(opt_servers);
-
- 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);
+ opt.add("expire", 'e', required_argument, "Flush based on expire time.");
- 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.parse(argc, argv, nullptr)) {
+ exit(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_st memc;
+ if (!check_memcached(opt, memc)) {
+ exit(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);
- return EXIT_FAILURE;
+ if (!opt.apply(&memc)) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- memcached_free(memc);
- 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);
+ time_t expire = 0;
+ if (auto exp_str = opt.argof("expire")) {
+ expire = std::stoul(exp_str);
+ }
- default:
- abort();
+ auto exit_code = EXIT_SUCCESS;
+ memcached_return_t rc = memcached_flush(&memc, expire);
+ if (!memcached_success(rc)) {
+ exit_code = EXIT_FAILURE;
+ if (!opt.isset("quiet")) {
+ std::cerr << "Failed to flush server: " << memcached_last_error_message(&memc) << "\n";
}
}
- if (opt_version)
- {
- version_command(PROGRAM_NAME);
- exit(EXIT_SUCCESS);
+ if (!check_buffering(opt, memc)) {
+ exit_code = EXIT_FAILURE;
}
- if (opt_help)
- {
- help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
- exit(EXIT_SUCCESS);
- }
+ memcached_free(&memc);
+ exit(exit_code);
}