| 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 <fstream>
#include "mem_config.h"
-#include <cerrno>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <fcntl.h>
-#include <getopt.h>
-#include <inttypes.h>
-#include <iostream>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "libmemcached-1.0/memcached.h"
-
-#include "client_options.h"
-#include "utilities.h"
-
#define PROGRAM_NAME "memdump"
#define PROGRAM_DESCRIPTION "Dump all values from one or many servers."
+#define PROGRAM_VERSION "1.1"
-/* Prototypes */
-static void options_parse(int argc, char *argv[]);
-
-static bool opt_binary = 0;
-static int opt_verbose = 0;
-static char *opt_servers = NULL;
-static char *opt_hash = NULL;
-static char *opt_username;
-static char *opt_passwd;
-
-/* Print the keys and counter how many were found */
-static memcached_return_t key_printer(const memcached_st *, const char *key, size_t key_length,
- void *) {
- std::cout.write(key, key_length);
- std::cout << std::endl;
+#include "common/options.hpp"
+#include "common/checks.hpp"
+static memcached_return_t print(const memcached_st *, const char *k, size_t l, void *ctx) {
+ auto out = static_cast<std::ostream *>(ctx);
+ out->write(k, l);
+ out->put('\n');
return MEMCACHED_SUCCESS;
}
int main(int argc, char *argv[]) {
- memcached_dump_fn callbacks[1];
-
- callbacks[0] = &key_printer;
+ client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION};
- options_parse(argc, argv);
-
- if (opt_servers == NULL) {
- char *temp;
-
- if ((temp = getenv("MEMCACHED_SERVERS"))) {
- opt_servers = strdup(temp);
- } else if (argc > 1 and argv[--argc]) {
- opt_servers = strdup(argv[argc]);
- }
-
- 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
+ case 'b': // binary proto not available
+ break;
+ default:
+ opt.add(def);
}
}
- 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);
- if (memc == NULL) {
- std::cerr << "Could not allocate a memcached_st structure.\n" << std::endl;
- return EXIT_FAILURE;
- }
- process_hash_option(memc, opt_hash);
+ opt.add("file", 'f', required_argument, "Output to file instead of standard output.");
- 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)) {
+ 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;
- }
+ if (opt.isset("quiet") && !opt.isset("file")) {
+ std::cerr << "--quiet operation was requested, but --file was not set.\n";
+ exit(EXIT_FAILURE);
}
- memcached_return_t rc = memcached_dump(memc, callbacks, NULL, 1);
-
- int exit_code = EXIT_SUCCESS;
- if (memcached_failed(rc)) {
- if (opt_verbose) {
- std::cerr << "Failed to dump keys: " << memcached_last_error_message(memc) << std::endl;
- }
- exit_code = EXIT_FAILURE;
+ memcached_st memc;
+ if (!check_memcached(opt, memc)) {
+ exit(EXIT_FAILURE);
}
- memcached_free(memc);
-
- if (opt_servers) {
- free(opt_servers);
- }
- if (opt_hash) {
- free(opt_hash);
+ if (!opt.apply(&memc)) {
+ exit(EXIT_FAILURE);
}
- return exit_code;
-}
-
-static 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) "hash", required_argument, NULL, OPT_HASH},
- {(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}};
-
- int option_index = 0;
- bool opt_version = false;
- bool opt_help = false;
- 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_verbose = 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_HASH:
- opt_hash = strdup(optarg);
- break;
-
- case OPT_USERNAME:
- opt_username = optarg;
- break;
-
- case OPT_PASSWD:
- opt_passwd = optarg;
- break;
+ memcached_dump_fn cb[1] = {&print};
+ std::ofstream outfile{};
+ std::ostream *outstream = check_ostream(opt, opt.argof("file"), outfile);
- case OPT_QUIET:
- close_stdio();
- break;
+ auto rc = memcached_dump(&memc, cb, outstream, 1);
- case '?':
- /* getopt_long already printed an error message. */
- exit(1);
- default:
- abort();
+ if (outfile) {
+ if (opt.isset("debug")) {
+ std::cerr << "Flushing " << opt.argof("file") << ".\n";
}
+ outfile.flush();
}
- if (opt_version) {
- version_command(PROGRAM_NAME);
- exit(EXIT_SUCCESS);
+ if (MEMCACHED_SUCCESS != rc) {
+ if (!opt.isset("quiet")) {
+ std::cerr << "Failed to dump keys:" << memcached_last_error_message(&memc) << "\n";
+ }
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- if (opt_help) {
- help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
- exit(EXIT_SUCCESS);
- }
+ memcached_free(&memc);
+ exit(EXIT_SUCCESS);
}
projects / m6w6 / libmemcached / blobdiff