X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fbin%2Fmemstat.cc;h=b7f7567920a794f57dbfca33aea41ad2a5ed14f1;hb=7c2da91b9897c54f66e7fc634a675fcaeef32167;hp=48ba3b6a9088274b57947ac18a55d773df7654df;hpb=f48bae7d4b6a832b0d3a71812125770f09c76239;p=awesomized%2Flibmemcached diff --git a/src/bin/memstat.cc b/src/bin/memstat.cc index 48ba3b6a..b7f75679 100644 --- a/src/bin/memstat.cc +++ b/src/bin/memstat.cc @@ -1,17 +1,18 @@ -/* 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 | + +--------------------------------------------------------------------+ +*/ + #include "mem_config.h" #include @@ -31,156 +32,133 @@ #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); } @@ -188,63 +166,50 @@ int main(int argc, char *argv[]) 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(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(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]); } @@ -252,104 +217,85 @@ static void run_analyzer(memcached_st *memc, memcached_stat_st *memc_stat) 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; } @@ -357,109 +303,80 @@ static void print_analysis_report(memcached_st *memc, 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); }