-/* LibMemcached
- * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
- * Copyright (C) 2006-2009 Brian Aker
- * All rights reserved.
- *
- * Use and distribution licensed under the BSD license. See
- * the COPYING file in the parent directory for full text.
- *
- * Summary:
- *
- * Authors:
- * Brian Aker
- * Toru Maesaka
- */
+/*
+ +--------------------------------------------------------------------+
+ | 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> |
+ +--------------------------------------------------------------------+
+*/
+
#include "mem_config.h"
#include <cstdio>
#include "client_options.h"
#include "utilities.h"
-#define PROGRAM_NAME "memstat"
+#define PROGRAM_NAME "memstat"
#define PROGRAM_DESCRIPTION "Output the state of a memcached cluster."
/* Prototypes */
static void options_parse(int argc, char *argv[]);
static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat);
-static void print_analysis_report(memcached_st *memc,
- memcached_analysis_st *report);
-
-static bool opt_binary= false;
-static bool opt_verbose= false;
-static bool opt_server_version= false;
-static bool opt_analyze= false;
-static char *opt_servers= NULL;
-static char *stat_args= NULL;
-static char *analyze_mode= NULL;
+static void print_analysis_report(memcached_st *memc, memcached_analysis_st *report);
+
+static bool opt_binary = false;
+static bool opt_verbose = false;
+static bool opt_server_version = false;
+static bool opt_analyze = false;
+static char *opt_servers = NULL;
+static char *stat_args = NULL;
+static char *analyze_mode = NULL;
static char *opt_username;
static char *opt_passwd;
-static struct option long_options[]=
-{
- {(OPTIONSTRING)"args", required_argument, NULL, OPT_STAT_ARGS},
- {(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, NULL, OPT_VERBOSE},
- {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
- {(OPTIONSTRING)"debug", no_argument, NULL, OPT_DEBUG},
- {(OPTIONSTRING)"server-version", no_argument, NULL, OPT_SERVER_VERSION},
- {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
- {(OPTIONSTRING)"analyze", optional_argument, NULL, OPT_ANALYZE},
- {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
- {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
- {0, 0, 0, 0},
+static struct option long_options[] = {
+ {(OPTIONSTRING) "args", required_argument, NULL, OPT_STAT_ARGS},
+ {(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, NULL, OPT_VERBOSE},
+ {(OPTIONSTRING) "binary", no_argument, NULL, OPT_BINARY},
+ {(OPTIONSTRING) "debug", no_argument, NULL, OPT_DEBUG},
+ {(OPTIONSTRING) "server-version", no_argument, NULL, OPT_SERVER_VERSION},
+ {(OPTIONSTRING) "servers", required_argument, NULL, OPT_SERVERS},
+ {(OPTIONSTRING) "analyze", optional_argument, NULL, OPT_ANALYZE},
+ {(OPTIONSTRING) "username", required_argument, NULL, OPT_USERNAME},
+ {(OPTIONSTRING) "password", required_argument, NULL, OPT_PASSWD},
+ {0, 0, 0, 0},
};
+static memcached_return_t stat_printer(const memcached_instance_st *instance, const char *key,
+ size_t key_length, const char *value, size_t value_length,
+ void *context) {
+ static const memcached_instance_st *last = NULL;
+ (void) context;
-static memcached_return_t stat_printer(const memcached_instance_st * instance,
- const char *key, size_t key_length,
- const char *value, size_t value_length,
- void *context)
-{
- static const memcached_instance_st * last= NULL;
- (void)context;
-
- if (last != instance)
- {
+ if (last != instance) {
printf("Server: %s (%u)\n", memcached_server_name(instance),
- (uint32_t)memcached_server_port(instance));
- last= instance;
+ (uint32_t) memcached_server_port(instance));
+ last = instance;
}
- printf("\t %.*s: %.*s\n", (int)key_length, key, (int)value_length, value);
+ printf("\t %.*s: %.*s\n", (int) key_length, key, (int) value_length, value);
return MEMCACHED_SUCCESS;
}
static memcached_return_t server_print_callback(const memcached_st *,
- const memcached_instance_st * instance,
- void *)
-{
- std::cerr << memcached_server_name(instance) << ":" << memcached_server_port(instance) <<
- " " << int(memcached_server_major_version(instance)) <<
- "." << int(memcached_server_minor_version(instance)) <<
- "." << int(memcached_server_micro_version(instance)) << std::endl;
+ const memcached_instance_st *instance, void *) {
+ std::cerr << memcached_server_name(instance) << ":" << memcached_server_port(instance) << " "
+ << int(memcached_server_major_version(instance)) << "."
+ << int(memcached_server_minor_version(instance)) << "."
+ << int(memcached_server_micro_version(instance)) << std::endl;
return MEMCACHED_SUCCESS;
}
-int main(int argc, char *argv[])
-{
+int main(int argc, char *argv[]) {
options_parse(argc, argv);
initialize_sockets();
- if (opt_servers == NULL)
- {
+ if (opt_servers == NULL) {
char *temp;
- if ((temp= getenv("MEMCACHED_SERVERS")))
- {
- opt_servers= strdup(temp);
+ if ((temp = getenv("MEMCACHED_SERVERS"))) {
+ opt_servers = strdup(temp);
}
- if (opt_servers == NULL)
- {
+ if (opt_servers == NULL) {
std::cerr << "No Servers provided" << std::endl;
return EXIT_FAILURE;
}
}
- memcached_server_st* servers= memcached_servers_parse(opt_servers);
- if (servers == NULL or memcached_server_list_count(servers) == 0)
- {
+ 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;
}
-
- if (opt_servers)
- {
+
+ if (opt_servers) {
free(opt_servers);
}
- memcached_st *memc= memcached_create(NULL);
+ memcached_st *memc = memcached_create(NULL);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
- memcached_return_t rc= memcached_server_push(memc, servers);
+ memcached_return_t rc = memcached_server_push(memc, servers);
memcached_server_list_free(servers);
- if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
- {
+ 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;
+ std::cerr << "--username was supplied, but binary was not built with SASL support."
+ << std::endl;
return EXIT_FAILURE;
}
- if (opt_username)
- {
+ if (opt_username) {
memcached_return_t ret;
- if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
- {
+ 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 (rc != MEMCACHED_SUCCESS and rc != MEMCACHED_SOME_ERRORS)
- {
- printf("Failure to communicate with servers (%s)\n",
- memcached_strerror(memc, rc));
+ if (rc != MEMCACHED_SUCCESS and rc != MEMCACHED_SOME_ERRORS) {
+ printf("Failure to communicate with servers (%s)\n", memcached_strerror(memc, rc));
exit(EXIT_FAILURE);
}
- if (opt_server_version)
- {
- if (memcached_failed(memcached_version(memc)))
- {
+ if (opt_server_version) {
+ if (memcached_failed(memcached_version(memc))) {
std::cerr << "Unable to obtain server version" << std::endl;
exit(EXIT_FAILURE);
}
memcached_server_fn callbacks[1];
- callbacks[0]= server_print_callback;
- memcached_server_cursor(memc, callbacks, NULL, 1);
- }
- else if (opt_analyze)
- {
- memcached_stat_st *memc_stat= memcached_stat(memc, NULL, &rc);
+ callbacks[0] = server_print_callback;
+ memcached_server_cursor(memc, callbacks, NULL, 1);
+ } else if (opt_analyze) {
+ memcached_stat_st *memc_stat = memcached_stat(memc, NULL, &rc);
- if (memc_stat == NULL || rc != MEMCACHED_SUCCESS)
- {
+ if (memc_stat == NULL || rc != MEMCACHED_SUCCESS) {
std::cerr << memcached_last_error_message(memc) << std::endl;
exit(EXIT_FAILURE);
}
run_analyzer(memc, memc_stat);
memcached_stat_free(memc, memc_stat);
- }
- else
- {
- rc= memcached_stat_execute(memc, stat_args, stat_printer, NULL);
+ } else {
+ rc = memcached_stat_execute(memc, stat_args, stat_printer, NULL);
}
memcached_free(memc);
- return rc == MEMCACHED_SUCCESS ? EXIT_SUCCESS: EXIT_FAILURE;
+ return rc == MEMCACHED_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
}
-static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat)
-{
+static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat) {
memcached_return_t rc;
- if (analyze_mode == NULL)
- {
+ if (analyze_mode == NULL) {
memcached_analysis_st *report;
- report= memcached_analyze(memc, memc_stat, &rc);
- if (rc != MEMCACHED_SUCCESS || report == NULL)
- {
- printf("Failure to analyze servers (%s)\n",
- memcached_strerror(memc, rc));
+ report = memcached_analyze(memc, memc_stat, &rc);
+ if (rc != MEMCACHED_SUCCESS || report == NULL) {
+ printf("Failure to analyze servers (%s)\n", memcached_strerror(memc, rc));
exit(1);
}
print_analysis_report(memc, report);
free(report);
- }
- else if (strcmp(analyze_mode, "latency") == 0)
- {
- uint32_t flags, server_count= memcached_server_count(memc);
- uint32_t num_of_tests= 32;
- const char *test_key= "libmemcached_test_key";
-
- memcached_st **servers= static_cast<memcached_st**>(malloc(sizeof(memcached_st*) * server_count));
- if (servers == NULL)
- {
+ } else if (strcmp(analyze_mode, "latency") == 0) {
+ uint32_t flags, server_count = memcached_server_count(memc);
+ uint32_t num_of_tests = 32;
+ const char *test_key = "libmemcached_test_key";
+
+ memcached_st **servers =
+ static_cast<memcached_st **>(malloc(sizeof(memcached_st *) * server_count));
+ if (servers == NULL) {
fprintf(stderr, "Failed to allocate memory\n");
return;
}
- for (uint32_t x= 0; x < server_count; x++)
- {
- const memcached_instance_st * instance=
- memcached_server_instance_by_position(memc, x);
+ for (uint32_t x = 0; x < server_count; x++) {
+ const memcached_instance_st *instance = memcached_server_instance_by_position(memc, x);
- if ((servers[x]= memcached_create(NULL)) == NULL)
- {
+ if ((servers[x] = memcached_create(NULL)) == NULL) {
fprintf(stderr, "Failed to memcached_create()\n");
- if (x > 0)
- {
+ if (x > 0) {
memcached_free(servers[0]);
}
x--;
- for (; x > 0; x--)
- {
+ for (; x > 0; x--) {
memcached_free(servers[x]);
}
return;
}
- memcached_server_add(servers[x],
- memcached_server_name(instance),
+ memcached_server_add(servers[x], memcached_server_name(instance),
memcached_server_port(instance));
}
printf("Network Latency Test:\n\n");
struct timeval start_time, end_time;
- uint32_t slowest_server= 0;
- long elapsed_time, slowest_time= 0;
+ uint32_t slowest_server = 0;
+ long elapsed_time, slowest_time = 0;
- for (uint32_t x= 0; x < server_count; x++)
- {
- const memcached_instance_st * instance=
- memcached_server_instance_by_position(memc, x);
+ for (uint32_t x = 0; x < server_count; x++) {
+ const memcached_instance_st *instance = memcached_server_instance_by_position(memc, x);
gettimeofday(&start_time, NULL);
- for (uint32_t y= 0; y < num_of_tests; y++)
- {
+ for (uint32_t y = 0; y < num_of_tests; y++) {
size_t vlen;
- char *val= memcached_get(servers[x], test_key, strlen(test_key),
- &vlen, &flags, &rc);
- if (rc != MEMCACHED_NOTFOUND and rc != MEMCACHED_SUCCESS)
- {
+ char *val = memcached_get(servers[x], test_key, strlen(test_key), &vlen, &flags, &rc);
+ if (rc != MEMCACHED_NOTFOUND and rc != MEMCACHED_SUCCESS) {
break;
}
free(val);
}
gettimeofday(&end_time, NULL);
- elapsed_time= (long) timedif(end_time, start_time);
+ elapsed_time = (long) timedif(end_time, start_time);
elapsed_time /= (long) num_of_tests;
- if (elapsed_time > slowest_time)
- {
- slowest_server= x;
- slowest_time= elapsed_time;
+ if (elapsed_time > slowest_time) {
+ slowest_server = x;
+ slowest_time = elapsed_time;
}
- if (rc != MEMCACHED_NOTFOUND && rc != MEMCACHED_SUCCESS)
- {
- printf("\t %s (%d) => failed to reach the server\n",
- memcached_server_name(instance),
+ if (rc != MEMCACHED_NOTFOUND && rc != MEMCACHED_SUCCESS) {
+ printf("\t %s (%d) => failed to reach the server\n", memcached_server_name(instance),
memcached_server_port(instance));
- }
- else
- {
- printf("\t %s (%d) => %ld.%ld seconds\n",
- memcached_server_name(instance),
- memcached_server_port(instance),
- elapsed_time / 1000, elapsed_time % 1000);
+ } else {
+ printf("\t %s (%d) => %ld.%ld seconds\n", memcached_server_name(instance),
+ memcached_server_port(instance), elapsed_time / 1000, elapsed_time % 1000);
}
}
- if (server_count > 1 && slowest_time > 0)
- {
- const memcached_instance_st * slowest=
- memcached_server_instance_by_position(memc, slowest_server);
+ if (server_count > 1 && slowest_time > 0) {
+ const memcached_instance_st *slowest =
+ memcached_server_instance_by_position(memc, slowest_server);
printf("---\n");
- printf("Slowest Server: %s (%d) => %ld.%ld seconds\n",
- memcached_server_name(slowest),
- memcached_server_port(slowest),
- slowest_time / 1000, slowest_time % 1000);
+ printf("Slowest Server: %s (%d) => %ld.%ld seconds\n", memcached_server_name(slowest),
+ memcached_server_port(slowest), slowest_time / 1000, slowest_time % 1000);
}
printf("\n");
- for (uint32_t x= 0; x < server_count; x++)
- {
+ for (uint32_t x = 0; x < server_count; x++) {
memcached_free(servers[x]);
}
free(servers);
free(analyze_mode);
- }
- else
- {
+ } else {
fprintf(stderr, "Invalid Analyzer Option provided\n");
free(analyze_mode);
}
}
-static void print_analysis_report(memcached_st *memc,
- memcached_analysis_st *report)
-
+static void print_analysis_report(memcached_st *memc, memcached_analysis_st *report)
+
{
- uint32_t server_count= memcached_server_count(memc);
- const memcached_instance_st * most_consumed_server= memcached_server_instance_by_position(memc, report->most_consumed_server);
- const memcached_instance_st * least_free_server= memcached_server_instance_by_position(memc, report->least_free_server);
- const memcached_instance_st * oldest_server= memcached_server_instance_by_position(memc, report->oldest_server);
+ uint32_t server_count = memcached_server_count(memc);
+ const memcached_instance_st *most_consumed_server =
+ memcached_server_instance_by_position(memc, report->most_consumed_server);
+ const memcached_instance_st *least_free_server =
+ memcached_server_instance_by_position(memc, report->least_free_server);
+ const memcached_instance_st *oldest_server =
+ memcached_server_instance_by_position(memc, report->oldest_server);
printf("Memcached Cluster Analysis Report\n\n");
printf("\tNumber of Servers Analyzed : %u\n", server_count);
- printf("\tAverage Item Size (incl/overhead) : %u bytes\n",
- report->average_item_size);
+ printf("\tAverage Item Size (incl/overhead) : %u bytes\n", report->average_item_size);
- if (server_count == 1)
- {
+ if (server_count == 1) {
printf("\nFor a detailed report, you must supply multiple servers.\n");
return;
}
printf("\n");
printf("\tNode with most memory consumption : %s:%u (%llu bytes)\n",
memcached_server_name(most_consumed_server),
- (uint32_t)memcached_server_port(most_consumed_server),
- (unsigned long long)report->most_used_bytes);
+ (uint32_t) memcached_server_port(most_consumed_server),
+ (unsigned long long) report->most_used_bytes);
printf("\tNode with least free space : %s:%u (%llu bytes remaining)\n",
memcached_server_name(least_free_server),
- (uint32_t)memcached_server_port(least_free_server),
- (unsigned long long)report->least_remaining_bytes);
+ (uint32_t) memcached_server_port(least_free_server),
+ (unsigned long long) report->least_remaining_bytes);
printf("\tNode with longest uptime : %s:%u (%us)\n",
- memcached_server_name(oldest_server),
- (uint32_t)memcached_server_port(oldest_server),
+ memcached_server_name(oldest_server), (uint32_t) memcached_server_port(oldest_server),
report->longest_uptime);
printf("\tPool-wide Hit Ratio : %1.f%%\n", report->pool_hit_ratio);
printf("\n");
}
-static void options_parse(int argc, char *argv[])
-{
- memcached_programs_help_st help_options[]=
- {
- {0},
+static void options_parse(int argc, char *argv[]) {
+ memcached_programs_help_st help_options[] = {
+ {0},
};
- int option_index= 0;
+ int option_index = 0;
- bool opt_version= false;
- bool opt_help= false;
- while (1)
- {
- int option_rv= getopt_long(argc, argv, "Vhvds:a", long_options, &option_index);
+ bool opt_version = false;
+ bool opt_help = false;
+ while (1) {
+ int option_rv = getopt_long(argc, argv, "Vhvds:a", long_options, &option_index);
if (option_rv == -1)
break;
- switch (option_rv)
- {
- case 0:
- break;
+ switch (option_rv) {
+ case 0: break;
- case OPT_VERBOSE: /* --verbose or -v */
- opt_verbose= true;
- break;
+ case OPT_VERBOSE: /* --verbose or -v */ opt_verbose = true; break;
- case OPT_DEBUG: /* --debug or -d */
- opt_verbose= true;
- break;
+ case OPT_DEBUG: /* --debug or -d */ opt_verbose = true; break;
- case OPT_BINARY:
- opt_binary= true;
- break;
+ case OPT_BINARY: opt_binary = true; break;
- case OPT_SERVER_VERSION:
- opt_server_version= true;
- break;
+ case OPT_SERVER_VERSION: opt_server_version = true; break;
- case OPT_VERSION: /* --version or -V */
- opt_version= true;
- break;
+ case OPT_VERSION: /* --version or -V */ opt_version = true; break;
- case OPT_HELP: /* --help or -h */
- opt_help= 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_SERVERS: /* --servers or -s */ opt_servers = strdup(optarg); break;
- case OPT_STAT_ARGS:
- stat_args= strdup(optarg);
- break;
+ case OPT_STAT_ARGS: stat_args = strdup(optarg); break;
case OPT_ANALYZE: /* --analyze or -a */
- opt_analyze= true;
- analyze_mode= (optarg) ? strdup(optarg) : NULL;
+ opt_analyze = true;
+ analyze_mode = (optarg) ? strdup(optarg) : NULL;
break;
- case OPT_QUIET:
- close_stdio();
- break;
+ case OPT_QUIET: close_stdio(); break;
case OPT_USERNAME:
- opt_username= optarg;
- opt_binary= true;
+ opt_username = optarg;
+ opt_binary = true;
break;
- case OPT_PASSWD:
- opt_passwd= optarg;
- break;
+ case OPT_PASSWD: opt_passwd = optarg; break;
case '?':
/* getopt_long already printed an error message. */
exit(1);
- default:
- abort();
+ default: abort();
}
}
- if (opt_version)
- {
+ if (opt_version) {
version_command(PROGRAM_NAME);
exit(EXIT_SUCCESS);
}
- if (opt_help)
- {
+ if (opt_help) {
help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
exit(EXIT_SUCCESS);
}
projects / awesomized / libmemcached / blobdiff