/*
+--------------------------------------------------------------------+
- | libmemcached - C/C++ Client Library for memcached |
+ | 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. |
| 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 <mike@php.net> |
+ | Copyright (c) 2020-2021 Michael Wallner https://awesome.co/ |
+--------------------------------------------------------------------+
*/
#include "mem_config.h"
-#include <cerrno>
-#include <cstdio>
-#include <cstring>
-#include <getopt.h>
-#include <unistd.h>
-
-#include "libmemcached-1.0/memcached.h"
-#include "libmemcachedutil-1.0/util.h"
-#include "client_options.h"
-#include "utilities.h"
-
-#include <iostream>
-
-static bool opt_binary = false;
-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 "memping"
-#define PROGRAM_DESCRIPTION "Ping a server to see if it is alive"
-
-/* Prototypes */
-void options_parse(int argc, char *argv[]);
+#define PROGRAM_DESCRIPTION "Ping a server or a set of 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;
+#include "libmemcached/util.h"
- if ((temp = getenv("MEMCACHED_SERVERS"))) {
- opt_servers = strdup(temp);
- }
+static memcached_return_t ping(const memcached_st *memc, const memcached_instance_st *s, void *ctx) {
+ auto opt = static_cast<client_options *>(ctx);
+ memcached_return_t rc;
+ bool ok;
- if (opt_servers == NULL) {
- std::cerr << "No Servers provided" << std::endl;
- exit(EXIT_FAILURE);
- }
+ if (opt->isset("debug")) {
+ std::cerr << "Trying to ping" << s->_hostname << ":" << s->port() << ".\n";
}
- int exit_code = EXIT_SUCCESS;
- 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;
- exit_code = EXIT_FAILURE;
+ if (auto username = opt->argof("username")) {
+ auto password = opt->argof("password");
+ ok = libmemcached_util_ping2(s->_hostname, s->port(), username, password, &rc);
} else {
- for (uint32_t x = 0; x < memcached_server_list_count(servers); x++) {
- memcached_return_t instance_rc;
- const char *hostname = servers[x].hostname;
- in_port_t port = servers[x].port;
-
- if (opt_verbose) {
- std::cout << "Trying to ping " << hostname << ":" << port << std::endl;
- }
-
- if (libmemcached_util_ping2(hostname, port, opt_username, opt_passwd, &instance_rc) == false)
- {
- std::cerr << "Failed to ping " << hostname << ":" << port << " "
- << memcached_strerror(NULL, instance_rc) << std::endl;
- exit_code = EXIT_FAILURE;
- }
- }
+ ok = libmemcached_util_ping(s->_hostname, s->port(), &rc);
+ }
+ if (!ok && !opt->isset("quiet")) {
+ std::cerr << "Failed to ping '" << s->_hostname << ":" << s->port()
+ << ":" << memcached_strerror(memc, rc) << ".\n";
}
- memcached_server_list_free(servers);
-
- free(opt_servers);
- return exit_code;
+ return rc;
}
-void options_parse(int argc, char *argv[]) {
- memcached_programs_help_st help_options[] = {
- {0},
- };
-
- 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 */
- version_command(PROGRAM_NAME);
- break;
-
- case OPT_HELP: /* --help or -h */
- help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
- 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) {
- std::cerr << "Incorrect value passed to --expire: `" << optarg << "`" << std::endl;
- exit(EXIT_FAILURE);
- }
- break;
-
- case OPT_USERNAME:
- opt_username = optarg;
- opt_binary = true;
+int main(int argc, char *argv[]) {
+ client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION};
+
+ for (const auto &def : opt.defaults) {
+ switch (def.opt.val) {
+ case 'h': // --help
+ case 'V': // --version
+ case 'v': // --verbose
+ case 'd': // --debug
+ case 'q': // --quiet
+ case 's': // --servers
+ case 'u': // --username
+ case 'p': // --password
+ opt.add(def);
break;
-
- case OPT_PASSWD:
- opt_passwd = optarg;
+ default:
break;
+ }
+ }
- case OPT_QUIET:
- close_stdio();
- break;
+ if (!opt.parse(argc, argv, nullptr)) {
+ exit(EXIT_FAILURE);
+ }
- case '?':
- /* getopt_long already printed an error message. */
- exit(1);
- default:
- abort();
- }
+ memcached_st memc;
+ if (!check_memcached(opt, memc)) {
+ exit(EXIT_FAILURE);
}
- if (opt_version) {
- version_command(PROGRAM_NAME);
- exit(EXIT_SUCCESS);
+ if (!opt.apply(&memc)) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- if (opt_help) {
- help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
- exit(EXIT_SUCCESS);
+ auto exit_code = EXIT_SUCCESS;
+ memcached_server_fn cb[1] = {&ping};
+ if (!memcached_success(memcached_server_cursor(&memc, cb, &opt, 1))) {
+ exit_code = EXIT_FAILURE;
}
+
+ memcached_free(&memc);
+ exit(exit_code);
}