X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fbin%2Fmemdump.cc;h=7bed49232b8e983101fad4cf031678d5db8c524a;hb=b9f2cc374d16fa40dbaf32bb88934d2fc35d4298;hp=aa75f8a85e08c171924d73a56d9c600d6c8789a5;hpb=7c2da91b9897c54f66e7fc634a675fcaeef32167;p=awesomized%2Flibmemcached diff --git a/src/bin/memdump.cc b/src/bin/memdump.cc index aa75f8a8..7bed4923 100644 --- a/src/bin/memdump.cc +++ b/src/bin/memdump.cc @@ -13,185 +13,77 @@ +--------------------------------------------------------------------+ */ +#include #include "mem_config.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#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(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; - - 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]); - } + client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION}; - 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; - } + opt.add("file", 'f', required_argument, "Output to file instead of standard output."); - memcached_st *memc = memcached_create(NULL); - if (memc == NULL) { - std::cerr << "Could not allocate a memcached_st structure.\n" << std::endl; - return EXIT_FAILURE; + if (!opt.parse(argc, argv)) { + exit(EXIT_FAILURE); } - process_hash_option(memc, opt_hash); - 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.isset("quiet") && !opt.isset("file")) { + std::cerr << "--quiet operation was requested, but --file was not set.\n"; + 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_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; + if (!opt.apply(&memc)) { + exit(EXIT_FAILURE); } - memcached_free(memc); + memcached_dump_fn cb[1] = {&print}; + std::ofstream outfile{}; + std::ostream *outstream = check_ostream(opt, opt.argof("file"), outfile); - if (opt_servers) { - free(opt_servers); - } - if (opt_hash) { - free(opt_hash); - } + auto rc = memcached_dump(&memc, cb, outstream, 1); - 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; - - case OPT_QUIET: close_stdio(); break; - - 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); }