X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fbin%2Fmemflush.cc;h=7d39867f54422042db5f4dae2d495bf194040b01;hb=9b0cb8f7aac22ccb4eff6dcabcae4db627217efa;hp=49d691b8ed7320de626eb36b5c7f03252494280c;hpb=7e2b466107a65e22f1cc258ca8643922dbb60352;p=awesomized%2Flibmemcached diff --git a/src/bin/memflush.cc b/src/bin/memflush.cc index 49d691b8..7d39867f 100644 --- a/src/bin/memflush.cc +++ b/src/bin/memflush.cc @@ -1,200 +1,74 @@ -/* 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 -#include -#include -#include -#include -#include - -#include "libmemcached-1.0/memcached.h" -#include "client_options.h" -#include "utilities.h" +/* + +--------------------------------------------------------------------+ + | libmemcached - 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 Michael Wallner | + +--------------------------------------------------------------------+ +*/ -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); }