#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."
+#define PROGRAM_DESCRIPTION "Erase all data in a cluster of memcached servers."
+#define PROGRAM_VERSION "1.1"
-/* Prototypes */
-void options_parse(int argc, char *argv[]);
+#include "common/options.hpp"
+#include "common/checks.hpp"
int main(int argc, char *argv[]) {
- options_parse(argc, argv);
-
- if (opt_servers == NULL) {
- char *temp;
+ 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);
+ opt.add("expire", 'e', required_argument, "Flush based on expire time.");
- 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.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);
}