+++ /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> |
- +--------------------------------------------------------------------+
-*/
-
-#include "mem_config.h"
-
-#include "libmemcached/memcached.h"
-
-#include <ctype.h>
-#include <inttypes.h>
-#include <limits.h>
-#include <pwd.h>
-#include <strings.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "ms_setting.h"
-#include "ms_conn.h"
-
-#define MAX_EXEC_NUM 0x4000000000000000 /* 1 << 62 */
-#define ADDR_ALIGN(addr) ((addr + 15) & ~(16 - 1)) /* 16 bytes aligned */
-#define RAND_CHAR_SIZE (10 * 1024 * 1024) /* 10M character table */
-#define RESERVED_RAND_CHAR_SIZE (2 * 1024 * 1024) /* reserved 2M to avoid pointer sloping over */
-
-#define DEFAULT_CONFIG_NAME ".memslap.cnf"
-
-#define DEFAULT_THREADS_NUM 1 /* default start one thread */
-#define DEFAULT_CONNS_NUM 16 /* default each thread with 16 connections */
-#define DEFAULT_EXE_NUM 0 /* default execute number is 0 */
-#define DEFAULT_VERIFY_RATE 0.0 /* default it doesn't do data verification */
-#define DEFAULT_OVERWRITE_RATE 0.0 /* default it doesn't do overwrite */
-#define DEFAULT_DIV 1 /* default it runs single get */
-#define DEFAULT_RUN_TIME 600 /* default run time 10 minutes */
-#define DEFAULT_WINDOW_SIZE (10 * UNIT_ITEMS_COUNT) /* default window size is 10k */
-#define DEFAULT_SOCK_PER_CONN 1 /* default socks per connection is 1 */
-
-/* Use this for string generation */
-#define CHAR_COUNT 64 /* number of characters used to generate character table */
-const char ALPHANUMBERICS[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-";
-
-ms_setting_st ms_setting; /* store the settings specified by user */
-
-/* read setting from configuration file */
-static void ms_get_serverlist(char *str);
-static uint32_t ms_get_cpu_count(void);
-ms_conf_type_t ms_get_conf_type(char *line);
-static int ms_is_line_data(char *line);
-static int ms_read_is_data(char *line, ssize_t nread);
-static void ms_no_config_file(void);
-static void ms_parse_cfg_file(char *cfg_file);
-
-/* initialize setting structure */
-static void ms_init_random_block(void);
-static void ms_calc_avg_size(void);
-static int ms_shuffle_distr(ms_distr_t *distr, int length);
-static void ms_build_distr(void);
-static void ms_print_setting(void);
-static void ms_setting_slapmode_init_pre(void);
-static void ms_setting_slapmode_init_post(void);
-
-#if !defined(HAVE_GETLINE)
-# include <limits.h>
-static ssize_t getline(char **line, size_t *line_size, FILE *fp) {
- char delim = '\n';
- ssize_t result = 0;
- size_t cur_len = 0;
-
- if (line == NULL || line_size == NULL || fp == NULL) {
- errno = EINVAL;
- return -1;
- }
-
- if (*line == NULL || *line_size == 0) {
- char *new_line;
- *line_size = 120;
- new_line = (char *) realloc(*line, *line_size);
- if (new_line == NULL) {
- result = -1;
- return result;
- }
- *line = new_line;
- }
-
- for (;;) {
- int i = getc(fp);
- if (i == EOF) {
- result = -1;
- break;
- }
-
- /* Make enough space for len+1 (for final NUL) bytes. */
- if (cur_len + 1 >= *line_size) {
- size_t needed_max = SSIZE_MAX < SIZE_MAX ? (size_t) SSIZE_MAX + 1 : SIZE_MAX;
- size_t needed = (2 * (*line_size)) + 1;
- char *new_line;
-
- if (needed_max < needed)
- needed = needed_max;
- if (cur_len + 1 >= needed) {
- result = -1;
- errno = EOVERFLOW;
- return result;
- }
-
- new_line = (char *) realloc(*line, needed);
- if (new_line == NULL) {
- result = -1;
- return result;
- }
-
- *line = new_line;
- *line_size = needed;
- }
-
- (*line)[cur_len] = (char) i;
- cur_len++;
-
- if (i == delim)
- break;
- }
- (*line)[cur_len] = '\0';
- if (cur_len)
- return (ssize_t) cur_len;
- return result;
-}
-#endif
-
-/**
- * parse the server list string, and build the servers
- * information structure array. this function is used to parse
- * the command line options specified by user.
- *
- * @param str, the string of server list
- */
-static void ms_get_serverlist(char *str) {
- ms_mcd_server_t *srvs = NULL;
-
- /**
- * Servers list format is like this. For example:
- * "localhost:11108, localhost:11109"
- */
- memcached_server_st *server_pool;
- server_pool = memcached_servers_parse(str);
-
- for (uint32_t loop = 0; loop < memcached_server_list_count(server_pool); loop++) {
- assert(ms_setting.srv_cnt < ms_setting.total_srv_cnt);
- strcpy(ms_setting.servers[ms_setting.srv_cnt].srv_host_name, server_pool[loop].hostname);
- ms_setting.servers[ms_setting.srv_cnt].srv_port = server_pool[loop].port;
- ms_setting.servers[ms_setting.srv_cnt].disconn_cnt = 0;
- ms_setting.servers[ms_setting.srv_cnt].reconn_cnt = 0;
- ms_setting.srv_cnt++;
-
- if (ms_setting.srv_cnt >= ms_setting.total_srv_cnt) {
- srvs = (ms_mcd_server_t *) realloc(
- ms_setting.servers, (size_t) ms_setting.total_srv_cnt * sizeof(ms_mcd_server_t) * 2);
- if (srvs == NULL) {
- fprintf(stderr, "Can't reallocate servers structure.\n");
- exit(1);
- }
- ms_setting.servers = srvs;
- ms_setting.total_srv_cnt *= 2;
- }
- }
-
- memcached_server_free(server_pool);
-} /* ms_get_serverlist */
-
-/**
- * used to get the CPU count of the current system
- *
- * @return return the cpu count if get, else return EXIT_FAILURE
- */
-static uint32_t ms_get_cpu_count() {
-#ifdef HAVE__SC_NPROCESSORS_ONLN
- return sysconf(_SC_NPROCESSORS_CONF);
-
-#else
-# ifdef HAVE_CPU_SET_T
- int cpu_count = 0;
- cpu_set_t cpu_set;
-
- sched_getaffinity(0, sizeof(cpu_set_t), &cpu_set);
-
- for (int i = 0; i < (sizeof(cpu_set_t) * 8); i++) {
- if (CPU_ISSET(i, &cpu_set)) {
- cpu_count++;
- }
- }
-
- return cpu_count;
-
-# endif
-#endif
-
- /* the system with one cpu at least */
- return EXIT_FAILURE;
-} /* ms_get_cpu_count */
-
-/**
- * used to get the configure type based on the type string read
- * from the configuration file.
- *
- * @param line, string of one line
- *
- * @return ms_conf_type_t
- */
-ms_conf_type_t ms_get_conf_type(char *line) {
- if (!memcmp(line, "key", strlen("key"))) {
- return CONF_KEY;
- } else if (!memcmp(line, "value", strlen("value"))) {
- return CONF_VALUE;
- } else if (!memcmp(line, "cmd", strlen("cmd"))) {
- return CONF_CMD;
- } else {
- return CONF_NULL;
- }
-} /* ms_get_conf_type */
-
-/**
- * judge whether the line is a line with useful data. used to
- * parse the configuration file.
- *
- * @param line, string of one line
- *
- * @return if success, return EXIT_FAILURE, else return EXIT_SUCCESS
- */
-static int ms_is_line_data(char *line) {
- assert(line);
-
- char *begin_ptr = line;
-
- while (isspace(*begin_ptr)) {
- begin_ptr++;
- }
- if ((begin_ptr[0] == '\0') || (begin_ptr[0] == '#'))
- return EXIT_SUCCESS;
-
- return EXIT_FAILURE;
-} /* ms_is_line_data */
-
-/**
- * function to bypass blank line and comments
- *
- * @param line, string of one line
- * @param nread, length of the line
- *
- * @return if it's EOF or not line data, return EXIT_SUCCESS, else return EXIT_FAILURE
- */
-static int ms_read_is_data(char *line, ssize_t nread) {
- if ((nread == EOF) || !ms_is_line_data(line))
- return EXIT_SUCCESS;
-
- return EXIT_FAILURE;
-} /* ms_read_is_data */
-
-/**
- * if no configuration file, use this function to create the default
- * configuration file.
- */
-static void ms_no_config_file() {
- char userpath[PATH_MAX];
- struct passwd *usr = NULL;
- FILE *fd;
-
- usr = getpwuid(getuid());
-
- snprintf(userpath, PATH_MAX, "%s/%s", usr->pw_dir, DEFAULT_CONFIG_NAME);
-
- if (access(userpath, F_OK | R_OK) == 0)
- goto exit;
-
- fd = fopen(userpath, "w+");
-
- if (fd == NULL) {
- fprintf(stderr, "Could not create default configure file %s\n", userpath);
- perror("fopen");
- exit(1);
- }
- fprintf(fd, "%s", DEFAULT_CONGIF_STR);
- fclose(fd);
-
-exit:
- ms_setting.cfg_file = strdup(userpath);
-} /* ms_no_config_file */
-
-/**
- * parse the configuration file
- *
- * @param cfg_file, the configuration file name
- */
-static void ms_parse_cfg_file(char *cfg_file) {
- FILE *f;
- size_t start_len, end_len;
- double proportion;
- char *line = NULL;
- size_t read_len;
- ssize_t nread;
- int cmd_type;
- ms_conf_type_t conf_type;
- int end_of_file = 0;
- ms_key_distr_t *key_distr = NULL;
- ms_value_distr_t *val_distr = NULL;
-
- if (cfg_file == NULL) {
- ms_no_config_file();
- cfg_file = ms_setting.cfg_file;
- }
-
- /*read key value configure file*/
- if ((f = fopen(cfg_file, "r")) == NULL) {
- fprintf(stderr, "Can not open file: '%s'.\n", cfg_file);
- exit(1);
- }
-
- while (1) {
- if ((((nread = getline(&line, &read_len, f)) == 1) || !ms_read_is_data(line, nread))
- && (nread != EOF)) /* bypass blank line */
- continue;
-
- if (nread == EOF) {
- fprintf(stderr, "Bad configuration file, no configuration find.\n");
- exit(1);
- }
- conf_type = ms_get_conf_type(line);
- break;
- }
-
- while (!end_of_file) {
- switch (conf_type) {
- case CONF_KEY:
- while (1) {
- if ((((nread = getline(&line, &read_len, f)) == 1) || !ms_read_is_data(line, nread))
- && (nread != EOF)) /* bypass blank line */
- continue;
-
- if (nread != EOF) {
- if (sscanf(line, "%zu %zu %lf ", &start_len, &end_len, &proportion) != 3) {
- conf_type = ms_get_conf_type(line);
- break;
- }
- ms_setting.key_distr[ms_setting.key_rng_cnt].start_len = start_len;
- ms_setting.key_distr[ms_setting.key_rng_cnt].end_len = end_len;
- ms_setting.key_distr[ms_setting.key_rng_cnt].key_prop = proportion;
- ms_setting.key_rng_cnt++;
-
- if (ms_setting.key_rng_cnt >= ms_setting.total_key_rng_cnt) {
- key_distr = (ms_key_distr_t *) realloc(ms_setting.key_distr,
- (size_t) ms_setting.total_key_rng_cnt
- * sizeof(ms_key_distr_t) * 2);
- if (key_distr == NULL) {
- fprintf(stderr, "Can't reallocate key distribution structure.\n");
- exit(1);
- }
- ms_setting.key_distr = key_distr;
- ms_setting.total_key_rng_cnt *= 2;
- }
- continue;
- }
- end_of_file = 1;
- break;
- }
- break;
-
- case CONF_VALUE:
- while (1) {
- if ((((nread = getline(&line, &read_len, f)) == 1) || !ms_read_is_data(line, nread))
- && (nread != EOF)) /* bypass blank line */
- continue;
-
- if (nread != EOF) {
- if (sscanf(line, "%zu %zu %lf", &start_len, &end_len, &proportion) != 3) {
- conf_type = ms_get_conf_type(line);
- break;
- }
- ms_setting.value_distr[ms_setting.val_rng_cnt].start_len = start_len;
- ms_setting.value_distr[ms_setting.val_rng_cnt].end_len = end_len;
- ms_setting.value_distr[ms_setting.val_rng_cnt].value_prop = proportion;
- ms_setting.val_rng_cnt++;
-
- if (ms_setting.val_rng_cnt >= ms_setting.total_val_rng_cnt) {
- val_distr = (ms_value_distr_t *) realloc(ms_setting.value_distr,
- (size_t) ms_setting.total_val_rng_cnt
- * sizeof(ms_value_distr_t) * 2);
- if (val_distr == NULL) {
- fprintf(stderr, "Can't reallocate key distribution structure.\n");
- exit(1);
- }
- ms_setting.value_distr = val_distr;
- ms_setting.total_val_rng_cnt *= 2;
- }
- continue;
- }
- end_of_file = 1;
- break;
- }
- break;
-
- case CONF_CMD:
- while (1) {
- if ((((nread = getline(&line, &read_len, f)) == 1) || !ms_read_is_data(line, nread))
- && (nread != EOF)) /* bypass blank line */
- continue;
-
- if (nread != EOF) {
- if (sscanf(line, "%d %lf", &cmd_type, &proportion) != 2) {
- conf_type = ms_get_conf_type(line);
- break;
- }
- if (cmd_type >= CMD_NULL) {
- continue;
- }
- ms_setting.cmd_distr[ms_setting.cmd_used_count].cmd_type = cmd_type;
- ms_setting.cmd_distr[ms_setting.cmd_used_count].cmd_prop = proportion;
- ms_setting.cmd_used_count++;
- continue;
- }
- end_of_file = 1;
- break;
- }
-
- case CONF_NULL:
- while (1) {
- if ((((nread = getline(&line, &read_len, f)) == 1) || !ms_read_is_data(line, nread))
- && (nread != EOF)) /* bypass blank line */
- continue;
-
- if (nread != EOF) {
- if ((conf_type = ms_get_conf_type(line)) != CONF_NULL) {
- break;
- }
- continue;
- }
- end_of_file = 1;
- break;
- }
- break;
-
- default:
- assert(0);
- break;
- } /* switch */
- }
-
- fclose(f);
-
- if (line) {
- free(line);
- }
-} /* ms_parse_cfg_file */
-
-/* calculate the average size of key and value */
-static void ms_calc_avg_size() {
- double avg_val_size = 0.0;
- double avg_key_size = 0.0;
- double val_pro = 0.0;
- double key_pro = 0.0;
- double averge_len = 0.0;
- size_t start_len = 0;
- size_t end_len = 0;
-
- for (int j = 0; j < ms_setting.val_rng_cnt; j++) {
- val_pro = ms_setting.value_distr[j].value_prop;
- start_len = ms_setting.value_distr[j].start_len;
- end_len = ms_setting.value_distr[j].end_len;
-
- averge_len = val_pro * ((double) (start_len + end_len)) / 2;
- avg_val_size += averge_len;
- }
-
- for (int j = 0; j < ms_setting.key_rng_cnt; j++) {
- key_pro = ms_setting.key_distr[j].key_prop;
- start_len = ms_setting.key_distr[j].start_len;
- end_len = ms_setting.key_distr[j].end_len;
-
- averge_len = key_pro * ((double) (start_len + end_len)) / 2;
- avg_key_size += averge_len;
- }
-
- ms_setting.avg_val_size = (size_t) avg_val_size;
- ms_setting.avg_key_size = (size_t) avg_key_size;
-} /* ms_calc_avg_size */
-
-/**
- * used to shuffle key and value distribution array to ensure
- * (key, value) pair with different set.
- *
- * @param distr, pointer of distribution structure array
- * @param length, length of the array
- *
- * @return always return EXIT_SUCCESS
- */
-static int ms_shuffle_distr(ms_distr_t *distr, int length) {
- int i, j;
- int tmp_offset;
- size_t tmp_size;
- int64_t rnd;
-
- for (i = 0; i < length; i++) {
- rnd = random();
- j = (int) (rnd % (length - i)) + i;
-
- switch (rnd % 3) {
- case 0:
- tmp_size = distr[j].key_size;
- distr[j].key_size = distr[i].key_size;
- distr[i].key_size = tmp_size;
- break;
-
- case 1:
- tmp_offset = distr[j].key_offset;
- distr[j].key_offset = distr[i].key_offset;
- distr[i].key_offset = tmp_offset;
- break;
-
- case 2:
- tmp_size = distr[j].value_size;
- distr[j].value_size = distr[i].value_size;
- distr[i].value_size = tmp_size;
- break;
-
- default:
- break;
- } /* switch */
- }
-
- return EXIT_SUCCESS;
-} /* ms_shuffle_distr */
-
-/**
- * according to the key and value distribution, to build the
- * (key, value) pair distribution. the (key, value) pair
- * distribution array is global, each connection set or get
- * object keeping this distribution, for the final result, we
- * can reach the expected key and value distribution.
- */
-static void ms_build_distr() {
- int offset = 0;
- int end = 0;
- int key_cnt = 0;
- int value_cnt = 0;
- size_t average_len = 0;
- size_t diff_len = 0;
- size_t start_len = 0;
- size_t end_len = 0;
- int rnd = 0;
- ms_distr_t *distr = NULL;
- int units = (int) ms_setting.win_size / UNIT_ITEMS_COUNT;
-
- /* calculate average value size and key size */
- ms_calc_avg_size();
-
- ms_setting.char_blk_size = RAND_CHAR_SIZE;
- int key_scope_size =
- (int) ((ms_setting.char_blk_size - RESERVED_RAND_CHAR_SIZE) / UNIT_ITEMS_COUNT);
-
- ms_setting.distr = (ms_distr_t *) malloc(sizeof(ms_distr_t) * ms_setting.win_size);
- if (ms_setting.distr == NULL) {
- fprintf(stderr, "Can't allocate distribution array.");
- exit(1);
- }
-
- /**
- * character block is divided by how many different key
- * size, each different key size has the same size character
- * range.
- */
- for (int m = 0; m < units; m++) {
- for (int i = 0; i < UNIT_ITEMS_COUNT; i++) {
- ms_setting.distr[m * UNIT_ITEMS_COUNT + i].key_offset = ADDR_ALIGN(key_scope_size * i);
- }
- }
-
- /* initialize key size distribution */
- for (int m = 0; m < units; m++) {
- for (int j = 0; j < ms_setting.key_rng_cnt; j++) {
- key_cnt = (int) (UNIT_ITEMS_COUNT * ms_setting.key_distr[j].key_prop);
- start_len = ms_setting.key_distr[j].start_len;
- end_len = ms_setting.key_distr[j].end_len;
- if ((start_len < MIN_KEY_SIZE) || (end_len < MIN_KEY_SIZE)) {
- fprintf(stderr, "key length must be greater than 16 bytes.\n");
- exit(1);
- }
-
- if (!ms_setting.binary_prot_ && ((start_len > MAX_KEY_SIZE) || (end_len > MAX_KEY_SIZE))) {
- fprintf(stderr, "key length must be less than 250 bytes.\n");
- exit(1);
- }
-
- average_len = (start_len + end_len) / 2;
- diff_len = (end_len - start_len) / 2;
- for (int k = 0; k < key_cnt; k++) {
- if (offset >= (m + 1) * UNIT_ITEMS_COUNT) {
- break;
- }
- rnd = (int) random();
- if (k % 2 == 0) {
- ms_setting.distr[offset].key_size =
- (diff_len == 0) ? average_len : average_len + (size_t) rnd % diff_len;
- } else {
- ms_setting.distr[offset].key_size =
- (diff_len == 0) ? average_len : average_len - (size_t) rnd % diff_len;
- }
- offset++;
- }
- }
-
- if (offset < (m + 1) * UNIT_ITEMS_COUNT) {
- end = (m + 1) * UNIT_ITEMS_COUNT - offset;
- for (int i = 0; i < end; i++) {
- ms_setting.distr[offset].key_size = ms_setting.avg_key_size;
- offset++;
- }
- }
- }
- offset = 0;
-
- /* initialize value distribution */
- if (ms_setting.fixed_value_size) {
- for (int i = 0; i < units * UNIT_ITEMS_COUNT; i++) {
- ms_setting.distr[i].value_size = ms_setting.fixed_value_size;
- }
- } else {
- for (int m = 0; m < units; m++) {
- for (int j = 0; j < ms_setting.val_rng_cnt; j++) {
- value_cnt = (int) (UNIT_ITEMS_COUNT * ms_setting.value_distr[j].value_prop);
- start_len = ms_setting.value_distr[j].start_len;
- end_len = ms_setting.value_distr[j].end_len;
- if ((start_len <= 0) || (end_len <= 0)) {
- fprintf(stderr, "value length must be greater than 0 bytes.\n");
- exit(1);
- }
-
- if ((start_len > MAX_VALUE_SIZE) || (end_len > MAX_VALUE_SIZE)) {
- fprintf(stderr, "key length must be less than or equal to 1M.\n");
- exit(1);
- }
-
- average_len = (start_len + end_len) / 2;
- diff_len = (end_len - start_len) / 2;
- for (int k = 0; k < value_cnt; k++) {
- if (offset >= (m + 1) * UNIT_ITEMS_COUNT) {
- break;
- }
- rnd = (int) random();
- if (k % 2 == 0) {
- ms_setting.distr[offset].value_size =
- (diff_len == 0) ? average_len : average_len + (size_t) rnd % diff_len;
- } else {
- ms_setting.distr[offset].value_size =
- (diff_len == 0) ? average_len : average_len - (size_t) rnd % diff_len;
- }
- offset++;
- }
- }
-
- if (offset < (m + 1) * UNIT_ITEMS_COUNT) {
- end = (m + 1) * UNIT_ITEMS_COUNT - offset;
- for (int i = 0; i < end; i++) {
- ms_setting.distr[offset++].value_size = ms_setting.avg_val_size;
- }
- }
- }
- }
-
- /* shuffle distribution */
- for (int i = 0; i < units; i++) {
- distr = &ms_setting.distr[i * UNIT_ITEMS_COUNT];
- for (int j = 0; j < 4; j++) {
- ms_shuffle_distr(distr, UNIT_ITEMS_COUNT);
- }
- }
-} /* ms_build_distr */
-
-/**
- * used to initialize the global character block. The character
- * block is used to generate the suffix of the key and value. we
- * only store a pointer in the character block for each key
- * suffix or value string. It can save much memory to store key
- * or value string.
- */
-static void ms_init_random_block() {
- char *ptr = NULL;
-
- assert(ms_setting.char_blk_size > 0);
-
- ms_setting.char_block = (char *) malloc(ms_setting.char_blk_size);
- if (ms_setting.char_block == NULL) {
- fprintf(stderr, "Can't allocate global char block.");
- exit(1);
- }
- ptr = ms_setting.char_block;
-
- for (int i = 0; (size_t) i < ms_setting.char_blk_size; i++) {
- *(ptr++) = ALPHANUMBERICS[random() % CHAR_COUNT];
- }
-} /* ms_init_random_block */
-
-/**
- * after initialization, call this function to output the main
- * configuration user specified.
- */
-static void ms_print_setting() {
- fprintf(stdout, "servers: %s\n", ms_setting.srv_str);
- fprintf(stdout, "threads count: %d\n", ms_setting.nthreads);
- fprintf(stdout, "concurrency: %d\n", ms_setting.nconns);
- if (ms_setting.run_time > 0) {
- fprintf(stdout, "run time: %ds\n", ms_setting.run_time);
- } else {
- fprintf(stdout, "execute number: %" PRId64 "\n", ms_setting.exec_num);
- }
- fprintf(stdout, "windows size: %" PRId64 "k\n", (int64_t)(ms_setting.win_size / 1024));
- fprintf(stdout, "set proportion: set_prop=%.2f\n", ms_setting.cmd_distr[CMD_SET].cmd_prop);
- fprintf(stdout, "get proportion: get_prop=%.2f\n", ms_setting.cmd_distr[CMD_GET].cmd_prop);
- fflush(stdout);
-} /* ms_print_setting */
-
-/**
- * previous part of slap mode initialization of setting structure
- */
-static void ms_setting_slapmode_init_pre() {
- ms_setting.exec_num = DEFAULT_EXE_NUM;
- ms_setting.verify_percent = DEFAULT_VERIFY_RATE;
- ms_setting.exp_ver_per = DEFAULT_VERIFY_RATE;
- ms_setting.overwrite_percent = DEFAULT_OVERWRITE_RATE;
- ms_setting.mult_key_num = DEFAULT_DIV;
- ms_setting.fixed_value_size = 0;
- ms_setting.win_size = DEFAULT_WINDOW_SIZE;
- ms_setting.udp = false;
- ms_setting.reconnect = false;
- ms_setting.verbose = false;
- ms_setting.facebook_test = false;
- ms_setting.binary_prot_ = false;
- ms_setting.stat_freq = 0;
- ms_setting.srv_str = NULL;
- ms_setting.cfg_file = NULL;
- ms_setting.sock_per_conn = DEFAULT_SOCK_PER_CONN;
- ms_setting.expected_tps = 0;
- ms_setting.rep_write_srv = 0;
-} /* ms_setting_slapmode_init_pre */
-
-/**
- * previous part of initialization of setting structure
- */
-void ms_setting_init_pre() {
- memset(&ms_setting, 0, sizeof(ms_setting));
-
- /* common initialize */
- ms_setting.ncpu = ms_get_cpu_count();
- ms_setting.nthreads = DEFAULT_THREADS_NUM;
- ms_setting.nconns = DEFAULT_CONNS_NUM;
- ms_setting.run_time = DEFAULT_RUN_TIME;
- ms_setting.total_srv_cnt = MCD_SRVS_NUM_INIT;
- ms_setting.servers =
- (ms_mcd_server_t *) malloc((size_t) ms_setting.total_srv_cnt * sizeof(ms_mcd_server_t));
- if (ms_setting.servers == NULL) {
- fprintf(stderr, "Can't allocate servers structure.\n");
- exit(1);
- }
-
- ms_setting_slapmode_init_pre();
-} /* ms_setting_init_pre */
-
-/**
- * post part of slap mode initialization of setting structure
- */
-static void ms_setting_slapmode_init_post() {
- ms_setting.total_key_rng_cnt = KEY_RANGE_COUNT_INIT;
- ms_setting.key_distr =
- (ms_key_distr_t *) malloc((size_t) ms_setting.total_key_rng_cnt * sizeof(ms_key_distr_t));
-
- if (ms_setting.key_distr == NULL) {
- fprintf(stderr, "Can't allocate key distribution structure.\n");
- exit(1);
- }
-
- ms_setting.total_val_rng_cnt = VALUE_RANGE_COUNT_INIT;
-
- ms_setting.value_distr =
- (ms_value_distr_t *) malloc((size_t) ms_setting.total_val_rng_cnt * sizeof(ms_value_distr_t));
-
- if (ms_setting.value_distr == NULL) {
- fprintf(stderr, "Can't allocate value distribution structure.\n");
- exit(1);
- }
-
- ms_parse_cfg_file(ms_setting.cfg_file);
-
- /* run time mode */
- if ((ms_setting.exec_num == 0) && (ms_setting.run_time)) {
- ms_setting.exec_num = (int64_t) MAX_EXEC_NUM;
- } else {
- /* execute number mode */
- ms_setting.run_time = 0;
- }
-
- if (ms_setting.rep_write_srv > 0) {
- /* for replication test, need enable reconnect feature */
- ms_setting.reconnect = true;
- }
-
- if (ms_setting.facebook_test && (ms_setting.mult_key_num < 2)) {
- fprintf(stderr,
- "facebook test must work with multi-get, "
- "please specify multi-get key number "
- "with '--division' option.\n");
- exit(1);
- }
-
- if (ms_setting.facebook_test && ms_setting.udp) {
- fprintf(stderr, "facebook test couldn't work with UDP.\n");
- exit(1);
- }
-
- if (ms_setting.udp && (ms_setting.sock_per_conn > 1)) {
- fprintf(stderr,
- "UDP doesn't support multi-socks "
- "in one connection structure.\n");
- exit(1);
- }
-
- if ((ms_setting.rep_write_srv > 0) && (ms_setting.srv_cnt < 2)) {
- fprintf(stderr, "Please specify 2 servers at least for replication\n");
- exit(1);
- }
-
- if ((ms_setting.rep_write_srv > 0) && (ms_setting.srv_cnt < ms_setting.rep_write_srv)) {
- fprintf(stderr,
- "Servers to do replication writing "
- "is larger than the total servers\n");
- exit(1);
- }
-
- if (ms_setting.udp && (ms_setting.rep_write_srv > 0)) {
- fprintf(stderr, "UDP doesn't support replication.\n");
- exit(1);
- }
-
- if (ms_setting.facebook_test && (ms_setting.rep_write_srv > 0)) {
- fprintf(stderr, "facebook test couldn't work with replication.\n");
- exit(1);
- }
-
- ms_build_distr();
-
- /* initialize global character block */
- ms_init_random_block();
- ms_print_setting();
-} /* ms_setting_slapmode_init_post */
-
-/**
- * post part of initialization of setting structure
- */
-void ms_setting_init_post() {
- ms_get_serverlist(ms_setting.srv_str);
- ms_setting_slapmode_init_post();
-}
-
-/**
- * clean up the global setting structure
- */
-void ms_setting_cleanup() {
- if (ms_setting.distr) {
- free(ms_setting.distr);
- }
-
- if (ms_setting.char_block) {
- free(ms_setting.char_block);
- }
-
- if (ms_setting.srv_str) {
- free(ms_setting.srv_str);
- }
-
- if (ms_setting.cfg_file) {
- free(ms_setting.cfg_file);
- }
-
- if (ms_setting.servers) {
- free(ms_setting.servers);
- }
-
- if (ms_setting.key_distr) {
- free(ms_setting.key_distr);
- }
-
- if (ms_setting.value_distr) {
- free(ms_setting.value_distr);
- }
-} /* ms_setting_cleanup */
projects / awesomized / libmemcached / blobdiff