foreach(CLIENT IN LISTS CLIENTS)
add_executable(${CLIENT} ${CLIENT}.cc)
- set_target_properties(${CLIENT} PROPERTIES CXX_STANDARD ${CXX_STANDARD})
+ set_property(TARGET ${CLIENT} PROPERTY CXX_STANDARD ${CXX_STANDARD})
target_include_directories(${CLIENT} PRIVATE ..)
target_link_libraries(${CLIENT} PRIVATE libclient_common)
if(CMAKE_INSTALL_RPATH)
-add_library(libclient_common STATIC utilities.cc generator.cc options.cpp)
+add_library(libclient_common STATIC utilities.cc generator.cc options.cpp checks.hpp)
add_library(client_common ALIAS libclient_common)
+set_target_properties(libclient_common PROPERTIES CXX_STANDARD ${CXX_STANDARD})
target_link_libraries(libclient_common PUBLIC libmemcached)
target_include_directories(libclient_common PUBLIC
.
--- /dev/null
+/*
+ +--------------------------------------------------------------------+
+ | libmemcached - 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. |
+ | You should have received a copy of the license in a bundled file |
+ | named LICENSE; in case you did not receive a copy you can review |
+ | 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> |
+ +--------------------------------------------------------------------+
+*/
+
+#pragma once
+
+#include "options.hpp"
+#include "libmemcached/common.h"
+
+#include <fstream>
+
+bool check_buffering(const client_options &opt, memcached_st &memc) {
+ if (opt.isset("buffer")) {
+ if (MEMCACHED_SUCCESS != memcached_flush_buffers(&memc)) {
+ if (!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(&memc) << "\n";
+ }
+ return false;
+ }
+ }
+ return true;
+}
+
+bool check_argp(const client_options &opt, char **argp, const char *error_msg) {
+ if (argp && *argp) {
+ return true;
+ }
+ if (!opt.isset("quiet")) {
+ std::cerr << error_msg << "\n";
+ }
+ return false;
+}
+
+bool check_memcached(const client_options &opt, memcached_st &memc) {
+ if (!memcached_create(&memc)) {
+ if (!opt.isset("quiet")) {
+ std::cerr << "Failed to initialize memcached client.\n";
+ }
+ return false;
+ }
+ return true;
+}
+
+bool check_return(const client_options &opt, memcached_st &memc, const char *key,
+ memcached_return_t rc) {
+ if (!memcached_success(rc)) {
+ if (!opt.isset("quiet")) {
+ if (MEMCACHED_NOTFOUND == rc) {
+ if (opt.isset("verbose")) {
+ std::cerr << "Could not find key '" << key << "'.\n";
+ }
+ } else {
+ std::cerr << "Fatal error for key '" << key
+ << "': " << memcached_last_error_message(&memc) << "\n";
+ }
+ }
+ return false;
+ }
+ return true;
+}
+
+std::ostream *check_ostream(const client_options &opt, const char *file, std::ofstream &stream) {
+ if (file && *file) {
+ if (opt.isset("debug")) {
+ std::cerr << "Opening '" << file << "' for writing.\n";
+ }
+ stream.open(file);
+ if (stream.is_open()) {
+ return &stream;
+ } else if (!opt.isset("quiet")) {
+ std::cerr << "Failed to open '" << file << "' for writing.\n";
+ }
+ }
+ return &std::cout;
+}
if (auto username = ext.arg) {
if (!LIBMEMCACHED_WITH_SASL_SUPPORT) {
if (!opt.isset("quiet")) {
- std::cerr << "SASL username was supplied, but binary was not built with SASL support.\n";
+ std::cerr
+ << "SASL username was supplied, but binary was not built with SASL support.\n";
return false;
}
}
- if (MEMCACHED_SUCCESS != memcached_set_sasl_auth_data(memc, username, opt.argof("password"))) {
- if (!opt.isset("quiet")) {
- std::cerr << memcached_last_error_message(memc);
+ if (memc) {
+ if (MEMCACHED_SUCCESS
+ != memcached_set_sasl_auth_data(memc, username, opt.argof("password"))) {
+ if (!opt.isset("quiet")) {
+ std::cerr << memcached_last_error_message(memc);
+ }
+ return false;
}
- return false;
}
}
return true;
#define PROGRAM_VERSION "1.1"
#include "common/options.hpp"
+#include "common/checks.hpp"
#include <iostream>
#include <fstream>
-memcached_return_t memcat(const client_options &opt, memcached_st *memc, const char *key, std::ostream &ref) {
+memcached_return_t memcat(const client_options &opt, memcached_st *memc, const char *key, std::ostream *ref) {
memcached_return_t rc;
uint32_t flags;
size_t len;
auto val = memcached_get(memc, key, strlen(key), &len, &flags, &rc);
+ auto verbose = opt.isset("verbose");
if (MEMCACHED_SUCCESS == rc) {
- if (opt.isset("verbose")) {
- ref << "key: " << key << "\n";
+ if (verbose) {
+ *ref << "key: " << key << "\n";
}
if (opt.isset("flags")) {
- ref << "flags: " << flags << "\n";
+ *ref << "flags: " << flags << "\n";
}
- if (opt.isset("verbose")) {
- ref << "value: ";
+ if (verbose) {
+ *ref << "value: ";
}
- ref.write(val, len);
- ref << std::endl;
+ ref->write(val, len) << std::endl;
}
if (val) {
}
int main(int argc, char *argv[]) {
- char **argp = nullptr;
- memcached_st memc;
client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "key [ key ... ]"};
for (const auto &def : opt.defaults) {
opt.add("flags", 'F', no_argument, "Display key flags, too.");
opt.add("file", 'f', required_argument, "Output to file instead of standard output.");
+ char **argp = nullptr;
if (!opt.parse(argc, argv, &argp)) {
exit(EXIT_FAILURE);
}
exit(EXIT_FAILURE);
}
- if (!memcached_create(&memc)) {
- if (!opt.isset("quiet")) {
- std::cerr << "Failed to initialize memcached client.\n";
- }
+ memcached_st memc;
+ if (!check_memcached(opt, memc)) {
exit(EXIT_FAILURE);
}
exit(EXIT_FAILURE);
}
- if (!*argp) {
- if (!opt.isset("quiet")) {
- std::cerr << "No key(s) provided.\n";
- }
+ if (!check_argp(opt, argp, "No key(s) provided.")) {
memcached_free(&memc);
exit(EXIT_FAILURE);
}
for (auto arg = argp; *arg; ++arg) {
auto key = *arg;
if (*key) {
- memcached_return_t rc;
+
+ std::ofstream fstream{};
+ std::ostream *ostream = check_ostream(opt, opt.argof("file"), fstream);
+
auto file = opt.argof("file");
if (file && *file) {
- std::ofstream stream{file, std::ios::binary};
- rc = memcat(opt, &memc, key, stream);
- } else {
- rc = memcat(opt, &memc, key, std::cout);
- }
- if (MEMCACHED_SUCCESS != rc) {
- exit_code = EXIT_FAILURE;
-
- if (MEMCACHED_NOTFOUND == rc) {
- if (opt.isset("verbose")) {
- std::cerr << "not found: " << key << "\n";
- }
- // continue;
- } else {
+ fstream.open(file, std::ios::binary | std::ios::out);
+ if (!fstream.is_open()) {
+ exit_code = EXIT_FAILURE;
if (!opt.isset("quiet")) {
- std::cerr << memcached_last_error_message(&memc) << "\n";
+ std::cerr << "Failed to open " << file << " for writing.\n";
}
- break;
+ continue;
}
+ ostream = &fstream;
+ }
+
+ if (!check_return(opt, memc, key, memcat(opt, &memc, key, ostream))) {
+ exit_code = EXIT_FAILURE;
}
}
}
#define PROGRAM_VERSION "1.1"
#include "common/options.hpp"
+#include "common/checks.hpp"
#include <climits>
#include <cstdlib>
+#include <libgen.h>
#include <fstream>
#include <sstream>
struct memcp_file {
- enum key {
+ enum class type {
basename,
relative,
absolute
- } type;
- enum op {
+ } key;
+ enum class mode {
SET,
ADD,
REPLACE
- } mode;
+ } op;
const char *path;
uint32_t flags;
time_t expire;
};
static void add_file(std::vector<memcp_file> &files, const client_options &opt, const char *file) {
- memcp_file::key type = memcp_file::basename;
- memcp_file::op mode = memcp_file::SET;
+ memcp_file::type type = memcp_file::type::basename;
+ memcp_file::mode mode = memcp_file::mode::SET;
uint32_t flags = 0;
time_t expire = 0;
if (opt.isset("absolute")) {
- type = memcp_file::absolute;
+ type = memcp_file::type::absolute;
} else if (opt.isset("relative")) {
- type = memcp_file::relative;
+ type = memcp_file::type::relative;
}
if (opt.isset("replace")) {
- mode = memcp_file::REPLACE;
+ mode = memcp_file::mode::REPLACE;
} else if (opt.isset("add")) {
- mode = memcp_file::ADD;
+ mode = memcp_file::mode::ADD;
}
if (auto flags_str = opt.argof("flags")) {
}
if (opt.isset("debug")) {
- auto mode_str = mode == memcp_file::REPLACE ? "REPLACE" : mode == memcp_file::ADD ? "ADD" : "SET";
+ auto mode_str = mode == memcp_file::mode::REPLACE ? "REPLACE" : mode == memcp_file::mode::ADD ? "ADD" : "SET";
std::cerr << "Scheduling " << mode_str << " '" << file << "' (expire=" << expire << ", flags=" << flags << ").\n";
}
}
int main(int argc, char *argv[]) {
- memcached_st memc;
std::vector<memcp_file> files{};
client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "file [file ...]"};
exit(EXIT_FAILURE);
}
- if (!memcached_create(&memc)) {
- if (!opt.isset("quiet")) {
- std::cerr << "Failed to initialize memcached client.\n";
- }
+ memcached_st memc;
+ if (!check_memcached(opt, memc)) {
exit(EXIT_FAILURE);
}
}
if (files.empty()) {
- if (!*argp) {
- if (!opt.isset("quiet")) {
- std::cerr << "No file(s) provided.\n";
- }
+ if (!check_argp(opt, argp, "No file(s) provided.")) {
memcached_free(&memc);
exit(EXIT_FAILURE);
}
const char *path;
char rpath[PATH_MAX+1];
- if (file.type == memcp_file::relative) {
+ if (file.key == memcp_file::type::relative) {
path = filename;
- } else if (file.type == memcp_file::absolute) {
+ } else if (file.key == memcp_file::type::absolute) {
path = realpath(filename, rpath);
if (!path) {
if (!opt.isset("quiet")) {
continue;
}
} else {
- path = basename(filename);
+ path = basename(const_cast<char *>(filename));
}
std::ostringstream data{};
memcached_return_t rc;
const char *mode;
- if (file.mode == memcp_file::REPLACE) {
+ if (file.op == memcp_file::mode::REPLACE) {
mode = "replace";
rc = memcached_replace(&memc, path, strlen(path), data.str().c_str(), data.str().length(),
file.expire, file.flags);
- } else if (file.mode == memcp_file::ADD) {
+ } else if (file.op == memcp_file::mode::ADD) {
mode = "add";
rc = memcached_add(&memc, path, strlen(path), data.str().c_str(), data.str().length(),
file.expire, file.flags);
file.expire, file.flags);
}
- if (MEMCACHED_SUCCESS != rc) {
+ if (!memcached_success(rc)) {
exit_code = EXIT_FAILURE;
auto error = memcached_last_error(&memc)
}
if (opt.isset("verbose")) {
- std::cerr << path << "\n";
+ std::cout << path << "\n";
}
}
}
+ if (!check_buffering(opt, memc)) {
+ exit_code = EXIT_FAILURE;
+ }
+
memcached_free(&memc);
exit(exit_code);
}
#define PROGRAM_VERSION "1.1"
#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);
}
memcached_st memc;
- if (!memcached_create(&memc)) {
- if (!opt.isset("quiet")) {
- std::cerr << "Failed to initialize memcached client.\n";
- }
+ if (!check_memcached(opt, memc)) {
exit(EXIT_FAILURE);
}
}
memcached_dump_fn cb[1] = {&print};
- std::ostream *outstream = &std::cout;
std::ofstream outfile{};
-
- if (auto filename = opt.argof("file")) {
- if (opt.isset("debug")) {
- std::cerr << "Opening " << filename << " for output.\n";
- }
- outfile.open(filename, std::ios::binary | std::ios::out);
- if (!outfile.is_open()) {
- if (!opt.isset("quiet")) {
- std::cerr << "Failed to open " << filename << " for writing.\n";
- }
- memcached_free(&memc);
- exit(EXIT_FAILURE);
- }
- outstream = &outfile;
- }
+ std::ostream *outstream = check_ostream(opt, opt.argof("file"), outfile);
auto rc = memcached_dump(&memc, cb, outstream, 1);
#define PROGRAM_VERSION "1.1"
#include "common/options.hpp"
+#include "common/checks.hpp"
int main(int argc, char *argv[]) {
client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "code [code ...]"};
case 'V': // --version
case 'v': // --verbose
case 'd': // --debug
+ case 'q': // --quiet
opt.add(def);
break;
default:
exit(EXIT_FAILURE);
}
- opt.apply(nullptr);
+ if (!opt.apply(nullptr)) {
+ exit(EXIT_FAILURE);
+ }
- if (!*argp) {
- std::cerr << "No error codes provided.\n";
+ if (!check_argp(opt, argp, "No error code(s) provided.")) {
exit(EXIT_FAILURE);
}
if (opt.isset("verbose")) {
std::cout << "code: " << code << "\n";
- std::cout << "name: " << memcached_strerror(nullptr, rc) << "\n";
- } else {
- std::cout << memcached_strerror(nullptr, rc) << "\n";
+ std::cout << "name: ";
}
+ std::cout << memcached_strerror(nullptr, rc) << std::endl;
}
exit(EXIT_SUCCESS);
#define PROGRAM_VERSION "1.1"
#include "common/options.hpp"
+#include "common/checks.hpp"
int main(int argc, char *argv[]) {
client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "key [key ...]"};
}
memcached_st memc;
- if (!memcached_create(&memc)) {
- if (!opt.isset("quiet")) {
- std::cerr << "Failed to initialize memcached client.\n";
- }
+ if (!check_memcached(opt, memc)) {
exit(EXIT_FAILURE);
}
exit(EXIT_FAILURE);
}
- if (!*argp) {
- if (!opt.isset("quiet")) {
- std::cerr << "No key(s) provided.\n";
- }
+ if (!check_argp(opt, argp, "No key(s) provided.")) {
memcached_free(&memc);
exit(EXIT_FAILURE);
}
auto exit_code = EXIT_SUCCESS;
for (auto arg = argp; *arg; ++arg) {
- auto rc = memcached_exist(&memc, *arg, strlen(*arg));
-
- if (MEMCACHED_SUCCESS == rc) {
- if (opt.isset("verbose")) {
- std::cerr << "Found key '" << *arg << "'.\n";
- }
- } else {
- exit_code = EXIT_FAILURE;
- if (opt.isset("verbose")) {
- if (rc == MEMCACHED_NOTFOUND) {
- std::cerr << "Could not find key '" << *arg << "'.\n";
- } else {
- std::cerr << "Fatal error for key '" << *arg << "': "
- << memcached_last_error_message(&memc) << "\n";
+ auto key = *arg;
+ if (*key) {
+ if (check_return(opt, memc, key, memcached_exist(&memc, *arg, strlen(*arg)))) {
+ if (opt.isset("verbose")) {
+ std::cerr << "Found key '" << *arg << "'.\n";
}
+ } else {
+ exit_code = EXIT_FAILURE;
}
}
}
#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;
-
- if ((temp = getenv("MEMCACHED_SERVERS"))) {
- opt_servers = strdup(temp);
- }
+ 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
+ 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) {
- 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);
}
#include "mem_config.h"
+#define PROGRAM_NAME "memping"
+#define PROGRAM_DESCRIPTION "Ping a server or a set of servers."
+#define PROGRAM_VERSION "1.1"
+
+#include "common/options.hpp"
+#include "common/checks.hpp"
+
+#include "libmemcached/util.h"
+
+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->isset("debug")) {
+ std::cerr << "Trying to ping" << s->_hostname << ":" << s->port() << ".\n";
+ }
+
+ if (auto username = opt->argof("username")) {
+ auto password = opt->argof("password");
+ ok = libmemcached_util_ping2(s->_hostname, s->port(), username, password, &rc);
+ } else {
+ 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";
+ }
+
+ return rc;
+}
+
+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;
+ default:
+ break;
+ }
+ }
+
+ if (!opt.parse(argc, argv, nullptr)) {
+ exit(EXIT_FAILURE);
+ }
+
+ memcached_st memc;
+ if (!check_memcached(opt, memc)) {
+ exit(EXIT_FAILURE);
+ }
+
+ if (!opt.apply(&memc)) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
+ }
+
+ 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);
+}
+
#include <cerrno>
#include <cstdio>
#include <cstring>
#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_hash = NULL;
-static char *opt_username;
-static char *opt_passwd;
-
#define PROGRAM_NAME "memrm"
#define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
+#define PROGRAM_VERSION "1.1"
-/* Prototypes */
-static 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);
- initialize_sockets();
-
- if (opt_servers == NULL) {
- char *temp;
-
- if ((temp = getenv("MEMCACHED_SERVERS"))) {
- opt_servers = strdup(temp);
- }
+ client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "key [key ...]"};
- if (opt_servers == NULL) {
- std::cerr << "No Servers provided" << std::endl;
- exit(EXIT_FAILURE);
- }
- }
-
- 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;
+ for (const auto &def : opt.defaults) {
+ opt.add(def);
}
- memcached_st *memc = memcached_create(NULL);
- process_hash_option(memc, opt_hash);
+ opt.add("expire", 'e', required_argument, "Remove based on expire time. DEPRECATED: has no effect.");
- 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;
+ char **argp = nullptr;
+ if (!opt.parse(argc, argv, &argp)) {
+ 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);
}
- int return_code = EXIT_SUCCESS;
-
- while (optind < argc) {
- memcached_return_t rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
-
- if (rc == MEMCACHED_NOTFOUND) {
- if (opt_verbose) {
- std::cerr << "Could not find key \"" << argv[optind] << "\"" << std::endl;
- }
- } else if (memcached_fatal(rc)) {
- if (opt_verbose) {
- std::cerr << "Failed to delete key \"" << argv[optind]
- << "\" :" << memcached_last_error_message(memc) << std::endl;
- }
-
- return_code = EXIT_FAILURE;
- } else // success
- {
- if (opt_verbose) {
- std::cout << "Deleted key " << argv[optind];
- if (opt_expire) {
- std::cout << " expires: " << opt_expire << std::endl;
- }
- std::cout << std::endl;
- }
- }
-
- optind++;
+ if (!opt.apply(&memc)) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- memcached_free(memc);
-
- if (opt_servers) {
- free(opt_servers);
+ if (!check_argp(opt, argp, "No key(s) provided.")){
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- if (opt_hash) {
- free(opt_hash);
+ time_t expire = 0;
+ if (auto exp_str = opt.argof("expire")) {
+ expire = std::stoul(exp_str);
}
- return return_code;
-}
-
-static 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) "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},
- };
-
- 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 = 1;
- 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) {
- std::cerr << "Incorrect value passed to --expire: `" << optarg << "`" << std::endl;
- exit(EXIT_FAILURE);
+ auto exit_code = EXIT_SUCCESS;
+ for (auto arg = argp; *arg; ++arg) {
+ auto key = *arg;
+ if (*key) {
+ if (!check_return(opt, memc, key, memcached_delete(&memc, key, strlen(key), expire))) {
+ exit_code = EXIT_FAILURE;
}
- 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(EXIT_SUCCESS);
-
- default:
- abort();
}
}
- 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, help_options);
- exit(EXIT_SUCCESS);
- }
+ memcached_free(&memc);
+ exit(exit_code);
}
#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 "utilities.h"
-
#define PROGRAM_NAME "memtouch"
-#define PROGRAM_DESCRIPTION "Update the expiration value of an already existing value in the server"
+#define PROGRAM_DESCRIPTION "Update the expiration time of an already existing key."
+#define PROGRAM_VERSION "1.1"
-/* Prototypes */
-void options_parse(int argc, char *argv[]);
-
-static int 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;
-
-time_t expiration = 0;
+#include "common/options.hpp"
+#include "common/checks.hpp"
int main(int argc, char *argv[]) {
- int return_code = EXIT_SUCCESS;
-
- options_parse(argc, argv);
- initialize_sockets();
-
- if (opt_servers == NULL) {
- char *temp;
-
- if ((temp = getenv("MEMCACHED_SERVERS"))) {
- opt_servers = strdup(temp);
- }
-
- if (opt_servers == NULL) {
- std::cerr << "No Servers provided" << std::endl;
- exit(EXIT_FAILURE);
- }
- }
+ client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION, "key [key ...]"};
- 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;
+ for (const auto &def : opt.defaults) {
+ opt.add(def);
}
- memcached_st *memc = memcached_create(NULL);
- 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);
+ opt.add("expiration", 'e', no_argument, "Expiration time in seconds or unix timestamp.");
- 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;
+ char **argp = nullptr;
+ if (!opt.parse(argc, argv, &argp)) {
+ 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);
}
- while (optind < argc) {
- memcached_return_t rc = memcached_touch(memc, argv[optind], strlen(argv[optind]), expiration);
- if (rc == MEMCACHED_NOTFOUND) {
- if (opt_verbose) {
- std::cout << "Could not find key \"" << argv[optind] << "\"" << std::endl;
- }
-
- return_code = EXIT_FAILURE;
- } else if (memcached_failed(rc)) {
- if (opt_verbose) {
- std::cerr << "Fatal error for key \"" << argv[optind]
- << "\" :" << memcached_last_error_message(memc) << std::endl;
- }
-
- return_code = EXIT_FAILURE;
- } else // success
- {
- if (opt_verbose) {
- std::cout << "Found key " << argv[optind] << std::endl;
- }
- }
-
- optind++;
+ if (!opt.apply(&memc)) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- memcached_free(memc);
-
- if (opt_servers) {
- free(opt_servers);
+ if (!check_argp(opt, argp, "No key(s) provided.")) {
+ memcached_free(&memc);
+ exit(EXIT_FAILURE);
}
- if (opt_hash) {
- free(opt_hash);
+ time_t expire = 0;
+ if (auto exp_str = opt.argof("expire")) {
+ expire = std::stoul(exp_str);
}
- return return_code;
-}
-
-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) "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},
- {(OPTIONSTRING) "expire", required_argument, NULL, OPT_EXPIRE},
- {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_HASH:
- opt_hash = strdup(optarg);
- break;
-
- case OPT_USERNAME:
- opt_username = optarg;
- break;
-
- case OPT_PASSWD:
- opt_passwd = optarg;
- break;
-
- case OPT_EXPIRE:
- errno = 0;
- expiration = time_t(strtoul(optarg, (char **) NULL, 10));
- if (errno) {
- fprintf(stderr, "Invalid value for --expire: %s\n", optarg);
- exit(EXIT_FAILURE);
+ auto exit_code = EXIT_SUCCESS;
+ for (auto arg = argp; *arg; ++arg) {
+ auto key = *arg;
+ if (*key) {
+ if (!check_return(opt, memc, key, memcached_touch(&memc, key, strlen(key), expire))) {
+ exit_code = EXIT_FAILURE;
}
- break;
-
- case OPT_QUIET:
- close_stdio();
- break;
-
- case '?':
- /* getopt_long already printed an error message. */
- exit(EXIT_FAILURE);
-
- default:
- abort();
}
}
- 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, help_options);
- exit(EXIT_SUCCESS);
- }
+ memcached_free(&memc);
+ exit(exit_code);
}
projects / m6w6 / libmemcached / commitdiff
