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* Copyright (C) 2006-2009 Brian Aker
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* Use and distribution licensed under the BSD license. See
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* the COPYING file in the parent directory for full text.
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#include <libmemcached/memcached.h>
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#include "utilities.h"
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#define PROGRAM_NAME "memtouch"
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#define PROGRAM_DESCRIPTION "Update the expiration value of an alreasy existing value in the sever"
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void options_parse(int argc, char *argv[]);
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static int opt_binary= 0;
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static int opt_verbose= 0;
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static char *opt_servers= NULL;
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static char *opt_hash= NULL;
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static char *opt_username;
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static char *opt_passwd;
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int main(int argc, char *argv[])
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int return_code= EXIT_SUCCESS;
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options_parse(argc, argv);
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if (opt_servers == NULL)
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if ((temp= getenv("MEMCACHED_SERVERS")))
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opt_servers= strdup(temp);
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std::cerr << "No Servers provided" << std::endl;
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memcached_st *memc= memcached_create(NULL);
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process_hash_option(memc, opt_hash);
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memcached_server_st *servers= memcached_servers_parse(opt_servers);
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memcached_server_push(memc, servers);
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memcached_server_list_free(servers);
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memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
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(uint64_t)opt_binary);
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if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
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std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
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memcached_return_t ret;
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if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
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std::cerr << memcached_last_error_message(memc) << std::endl;
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memcached_return_t rc= memcached_touch(memc, argv[optind], strlen(argv[optind]), expiration);
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if (rc == MEMCACHED_NOTFOUND)
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std::cout << "Could not find key \"" << argv[optind] << "\"" << std::endl;
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return_code= EXIT_FAILURE;
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else if (memcached_failed(rc))
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std::cerr << "Fatal error for key \"" << argv[optind] << "\" :" << memcached_last_error_message(memc) << std::endl;
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return_code= EXIT_FAILURE;
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std::cout << "Found key " << argv[optind] << std::endl;
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memcached_free(memc);
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void options_parse(int argc, char *argv[])
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memcached_programs_help_st help_options[]=
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static struct option long_options[]=
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{(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
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{(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
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{(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
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{(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
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{(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
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{(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
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{(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
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{(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
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{(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
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{(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
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{(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
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bool opt_version= false;
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bool opt_help= false;
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int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
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case OPT_VERBOSE: /* --verbose or -v */
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opt_verbose = OPT_VERBOSE;
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case OPT_DEBUG: /* --debug or -d */
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opt_verbose = OPT_DEBUG;
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case OPT_VERSION: /* --version or -V */
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case OPT_HELP: /* --help or -h */
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case OPT_SERVERS: /* --servers or -s */
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opt_servers= strdup(optarg);
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opt_hash= strdup(optarg);
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opt_username= optarg;
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expiration= time_t(strtoul(optarg, (char **)NULL, 10));
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/* getopt_long already printed an error message. */
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version_command(PROGRAM_NAME);
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help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);