/* * Copyright (c) 2019 TAOS Data, Inc. * * This program is free software: you can use, redistribute, and/or modify * it under the terms of the GNU Affero General Public License, version 3 * or later ("AGPL"), as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see . */ #define _GNU_SOURCE #ifdef LINUX #include "os.h" #include #include #include #ifndef _ALPINE #include #endif #include #include #include #include #include #include #include #include #include #include #include #else #include #include #include #include "os.h" #endif #include "taos.h" #include "tutil.h" extern char configDir[]; #define BUFFER_SIZE 65536 #define MAX_DB_NAME_SIZE 64 #define MAX_TB_NAME_SIZE 64 #define MAX_DATA_SIZE 16000 #define MAX_NUM_DATATYPE 10 #define OPT_ABORT 1 /* –abort */ #define STRING_LEN 60000 #define MAX_PREPARED_RAND 1000000 /* Used by main to communicate with parse_opt. */ typedef struct DemoArguments { char * host; uint16_t port; char * user; char * password; char * database; int replica; char * tb_prefix; char * sqlFile; bool use_metric; bool insert_only; bool answer_yes; char * output_file; int mode; char * datatype[MAX_NUM_DATATYPE + 1]; int len_of_binary; int num_of_CPR; int num_of_threads; int num_of_RPR; int num_of_tables; int num_of_DPT; int abort; int order; int rate; int method_of_delete; char ** arg_list; } SDemoArguments; #ifdef LINUX /* The options we understand. */ static struct argp_option options[] = { {0, 'h', "host", 0, "The host to connect to TDengine. Default is localhost.", 0}, {0, 'p', "port", 0, "The TCP/IP port number to use for the connection. Default is 0.", 1}, {0, 'u', "user", 0, "The TDengine user name to use when connecting to the server. Default is 'root'.", 2}, #ifdef _TD_POWER_ {0, 'P', "password", 0, "The password to use when connecting to the server. Default is 'powerdb'.", 3}, #else {0, 'P', "password", 0, "The password to use when connecting to the server. Default is 'taosdata'.", 3}, #endif {0, 'd', "database", 0, "Destination database. Default is 'test'.", 3}, {0, 'a', "replica", 0, "Set the replica parameters of the database, Default 1, min: 1, max: 3.", 3}, {0, 'm', "table_prefix", 0, "Table prefix name. Default is 't'.", 3}, {0, 's', "sql file", 0, "The select sql file.", 3}, {0, 'M', 0, 0, "Use metric flag.", 13}, {0, 'o', "outputfile", 0, "Direct output to the named file. Default is './output.txt'.", 14}, {0, 'q', "query_mode", 0, "Query mode--0: SYNC, 1: ASYNC. Default is SYNC.", 6}, {0, 'b', "type_of_cols", 0, "The data_type of columns: 'INT', 'TINYINT', 'SMALLINT', 'BIGINT', 'FLOAT', 'DOUBLE', 'BINARY'. Default is 'INT'.", 7}, {0, 'w', "length_of_binary", 0, "The length of data_type 'BINARY'. Only applicable when type of cols is 'BINARY'. Default is 8", 8}, {0, 'l', "num_of_cols_per_record", 0, "The number of columns per record. Default is 3.", 8}, {0, 'T', "num_of_threads", 0, "The number of threads. Default is 10.", 9}, {0, 'r', "num_of_records_per_req", 0, "The number of records per request. Default is 1000.", 10}, {0, 't', "num_of_tables", 0, "The number of tables. Default is 10000.", 11}, {0, 'n', "num_of_records_per_table", 0, "The number of records per table. Default is 100000.", 12}, #ifdef _TD_POWER_ {0, 'c', "config_directory", 0, "Configuration directory. Default is '/etc/power/'.", 14}, #else {0, 'c', "config_directory", 0, "Configuration directory. Default is '/etc/taos/'.", 14}, #endif {0, 'x', 0, 0, "Insert only flag.", 13}, {0, 'y', 0, 0, "Default input yes for prompt", 13}, {0, 'O', "order", 0, "Insert mode--0: In order, 1: Out of order. Default is in order.", 14}, {0, 'R', "rate", 0, "Out of order data's rate--if order=1 Default 10, min: 0, max: 50.", 14}, {0, 'D', "delete table", 0, "Delete data methods——0: don't delete, 1: delete by table, 2: delete by stable, 3: delete by database", 14}, {0}}; /* Parse a single option. */ static error_t parse_opt(int key, char *arg, struct argp_state *state) { /* Get the input argument from argp_parse, which we know is a pointer to our arguments structure. */ SDemoArguments *arguments = state->input; wordexp_t full_path; char **sptr; switch (key) { case 'h': arguments->host = arg; break; case 'p': arguments->port = atoi(arg); break; case 'u': arguments->user = arg; break; case 'P': arguments->password = arg; break; case 'o': arguments->output_file = arg; break; case 's': arguments->sqlFile = arg; break; case 'q': arguments->mode = atoi(arg); break; case 'T': arguments->num_of_threads = atoi(arg); break; case 'r': arguments->num_of_RPR = atoi(arg); break; case 't': arguments->num_of_tables = atoi(arg); break; case 'n': arguments->num_of_DPT = atoi(arg); break; case 'd': arguments->database = arg; break; case 'l': arguments->num_of_CPR = atoi(arg); break; case 'b': sptr = arguments->datatype; if (strstr(arg, ",") == NULL) { if (strcasecmp(arg, "INT") != 0 && strcasecmp(arg, "FLOAT") != 0 && strcasecmp(arg, "TINYINT") != 0 && strcasecmp(arg, "BOOL") != 0 && strcasecmp(arg, "SMALLINT") != 0 && strcasecmp(arg, "BIGINT") != 0 && strcasecmp(arg, "DOUBLE") != 0 && strcasecmp(arg, "BINARY") && strcasecmp(arg, "NCHAR")) { argp_error(state, "Invalid data_type!"); } sptr[0] = arg; } else { int index = 0; char *dupstr = strdup(arg); char *running = dupstr; char *token = strsep(&running, ","); while (token != NULL) { if (strcasecmp(token, "INT") != 0 && strcasecmp(token, "FLOAT") != 0 && strcasecmp(token, "TINYINT") != 0 && strcasecmp(token, "BOOL") != 0 && strcasecmp(token, "SMALLINT") != 0 && strcasecmp(token, "BIGINT") != 0 && strcasecmp(token, "DOUBLE") != 0 && strcasecmp(token, "BINARY") && strcasecmp(token, "NCHAR")) { argp_error(state, "Invalid data_type!"); } sptr[index++] = token; token = strsep(&running, ","); if (index >= MAX_NUM_DATATYPE) break; } } break; case 'w': arguments->len_of_binary = atoi(arg); break; case 'm': arguments->tb_prefix = arg; break; case 'M': arguments->use_metric = true; break; case 'x': arguments->insert_only = true; break; case 'y': arguments->answer_yes = true; break; case 'c': if (wordexp(arg, &full_path, 0) != 0) { fprintf(stderr, "Invalid path %s\n", arg); return -1; } taos_options(TSDB_OPTION_CONFIGDIR, full_path.we_wordv[0]); wordfree(&full_path); break; case 'O': arguments->order = atoi(arg); if (arguments->order > 1 || arguments->order < 0) { arguments->order = 0; } else if (arguments->order == 1) { arguments->rate = 10; } break; case 'R': arguments->rate = atoi(arg); if (arguments->order == 1 && (arguments->rate > 50 || arguments->rate <= 0)) { arguments->rate = 10; } break; case 'a': arguments->replica = atoi(arg); if (arguments->replica > 3 || arguments->replica < 1) { arguments->replica = 1; } break; case 'D': arguments->method_of_delete = atoi(arg); if (arguments->method_of_delete < 0 || arguments->method_of_delete > 3) { arguments->method_of_delete = 0; } break; case OPT_ABORT: arguments->abort = 1; break; case ARGP_KEY_ARG: /*arguments->arg_list = &state->argv[state->next-1]; state->next = state->argc;*/ argp_usage(state); break; default: return ARGP_ERR_UNKNOWN; } return 0; } static struct argp argp = {options, parse_opt, 0, 0}; void parse_args(int argc, char *argv[], SDemoArguments *arguments) { argp_parse(&argp, argc, argv, 0, 0, arguments); if (arguments->abort) { #ifndef _ALPINE error(10, 0, "ABORTED"); #else abort(); #endif } } #else void printHelp() { char indent[10] = " "; printf("%s%s\n", indent, "-h"); printf("%s%s%s\n", indent, indent, "host, The host to connect to TDengine. Default is localhost."); printf("%s%s\n", indent, "-p"); printf("%s%s%s\n", indent, indent, "port, The TCP/IP port number to use for the connection. Default is 0."); printf("%s%s\n", indent, "-u"); printf("%s%s%s\n", indent, indent, "user, The user name to use when connecting to the server. Default is 'root'."); printf("%s%s\n", indent, "-p"); #ifdef _TD_POWER_ printf("%s%s%s\n", indent, indent, "password, The password to use when connecting to the server. Default is 'powerdb'."); #else printf("%s%s%s\n", indent, indent, "password, The password to use when connecting to the server. Default is 'taosdata'."); #endif printf("%s%s\n", indent, "-d"); printf("%s%s%s\n", indent, indent, "database, Destination database. Default is 'test'."); printf("%s%s\n", indent, "-a"); printf("%s%s%s\n", indent, indent, "replica, Set the replica parameters of the database, Default 1, min: 1, max: 3."); printf("%s%s\n", indent, "-m"); printf("%s%s%s\n", indent, indent, "table_prefix, Table prefix name. Default is 't'."); printf("%s%s\n", indent, "-s"); printf("%s%s%s\n", indent, indent, "sql file, The select sql file."); printf("%s%s\n", indent, "-M"); printf("%s%s%s\n", indent, indent, "meteric, Use metric flag."); printf("%s%s\n", indent, "-o"); printf("%s%s%s\n", indent, indent, "outputfile, Direct output to the named file. Default is './output.txt'."); printf("%s%s\n", indent, "-q"); printf("%s%s%s\n", indent, indent, "query_mode, Query mode--0: SYNC, 1: ASYNC. Default is SYNC."); printf("%s%s\n", indent, "-b"); printf("%s%s%s\n", indent, indent, "type_of_cols, data_type of columns: 'INT', 'TINYINT', 'SMALLINT', 'BIGINT', 'FLOAT', 'DOUBLE', 'BINARY'. Default is 'INT'."); printf("%s%s\n", indent, "-w"); printf("%s%s%s\n", indent, indent, "length_of_binary, The length of data_type 'BINARY'. Only applicable when type of cols is 'BINARY'. Default is 8"); printf("%s%s\n", indent, "-l"); printf("%s%s%s\n", indent, indent, "num_of_cols_per_record, The number of columns per record. Default is 3."); printf("%s%s\n", indent, "-T"); printf("%s%s%s\n", indent, indent, "num_of_threads, The number of threads. Default is 10."); printf("%s%s\n", indent, "-r"); printf("%s%s%s\n", indent, indent, "num_of_records_per_req, The number of records per request. Default is 1000."); printf("%s%s\n", indent, "-t"); printf("%s%s%s\n", indent, indent, "num_of_tables, The number of tables. Default is 10000."); printf("%s%s\n", indent, "-n"); printf("%s%s%s\n", indent, indent, "num_of_records_per_table, The number of records per table. Default is 100000."); printf("%s%s\n", indent, "-c"); #ifdef _TD_POWER_ printf("%s%s%s\n", indent, indent, "config_directory, Configuration directory. Default is '/etc/power/'."); #else printf("%s%s%s\n", indent, indent, "config_directory, Configuration directory. Default is '/etc/taos/'."); #endif printf("%s%s\n", indent, "-x"); printf("%s%s%s\n", indent, indent, "flag, Insert only flag."); printf("%s%s\n", indent, "-y"); printf("%s%s%s\n", indent, indent, "flag, Anser Yes for prompt."); printf("%s%s\n", indent, "-O"); printf("%s%s%s\n", indent, indent, "order, Insert mode--0: In order, 1: Out of order. Default is in order."); printf("%s%s\n", indent, "-R"); printf("%s%s%s\n", indent, indent, "rate, Out of order data's rate--if order=1 Default 10, min: 0, max: 50."); printf("%s%s\n", indent, "-D"); printf("%s%s%s\n", indent, indent, "Delete data methods 0: don't delete, 1: delete by table, 2: delete by stable, 3: delete by database."); } void parse_args(int argc, char *argv[], SDemoArguments *arguments) { char **sptr; for (int i = 1; i < argc; i++) { if (strcmp(argv[i], "-h") == 0) { arguments->host = argv[++i]; } else if (strcmp(argv[i], "-p") == 0) { arguments->port = atoi(argv[++i]); } else if (strcmp(argv[i], "-u") == 0) { arguments->user = argv[++i]; } else if (strcmp(argv[i], "-P") == 0) { arguments->password = argv[++i]; } else if (strcmp(argv[i], "-o") == 0) { arguments->output_file = argv[++i]; } else if (strcmp(argv[i], "-s") == 0) { arguments->sqlFile = argv[++i]; } else if (strcmp(argv[i], "-q") == 0) { arguments->mode = atoi(argv[++i]); } else if (strcmp(argv[i], "-T") == 0) { arguments->num_of_threads = atoi(argv[++i]); } else if (strcmp(argv[i], "-r") == 0) { arguments->num_of_RPR = atoi(argv[++i]); } else if (strcmp(argv[i], "-t") == 0) { arguments->num_of_tables = atoi(argv[++i]); } else if (strcmp(argv[i], "-n") == 0) { arguments->num_of_DPT = atoi(argv[++i]); } else if (strcmp(argv[i], "-d") == 0) { arguments->database = argv[++i]; } else if (strcmp(argv[i], "-l") == 0) { arguments->num_of_CPR = atoi(argv[++i]); } else if (strcmp(argv[i], "-b") == 0) { sptr = arguments->datatype; ++i; if (strstr(argv[i], ",") == NULL) { if (strcasecmp(argv[i], "INT") != 0 && strcasecmp(argv[i], "FLOAT") != 0 && strcasecmp(argv[i], "TINYINT") != 0 && strcasecmp(argv[i], "BOOL") != 0 && strcasecmp(argv[i], "SMALLINT") != 0 && strcasecmp(argv[i], "BIGINT") != 0 && strcasecmp(argv[i], "DOUBLE") != 0 && strcasecmp(argv[i], "BINARY") && strcasecmp(argv[i], "NCHAR")) { fprintf(stderr, "Invalid data_type!\n"); printHelp(); exit(EXIT_FAILURE); } sptr[0] = argv[i]; } else { int index = 0; char *dupstr = strdup(argv[i]); char *running = dupstr; char *token = strsep(&running, ","); while (token != NULL) { if (strcasecmp(token, "INT") != 0 && strcasecmp(token, "FLOAT") != 0 && strcasecmp(token, "TINYINT") != 0 && strcasecmp(token, "BOOL") != 0 && strcasecmp(token, "SMALLINT") != 0 && strcasecmp(token, "BIGINT") != 0 && strcasecmp(token, "DOUBLE") != 0 && strcasecmp(token, "BINARY") && strcasecmp(token, "NCHAR")) { fprintf(stderr, "Invalid data_type!\n"); printHelp(); exit(EXIT_FAILURE); } sptr[index++] = token; token = strsep(&running, ","); if (index >= MAX_NUM_DATATYPE) break; } } } else if (strcmp(argv[i], "-w") == 0) { arguments->len_of_binary = atoi(argv[++i]); } else if (strcmp(argv[i], "-m") == 0) { arguments->tb_prefix = argv[++i]; } else if (strcmp(argv[i], "-M") == 0) { arguments->use_metric = true; } else if (strcmp(argv[i], "-x") == 0) { arguments->insert_only = true; } else if (strcmp(argv[i], "-y") == 0) { arguments->answer_yes = true; } else if (strcmp(argv[i], "-c") == 0) { strcpy(configDir, argv[++i]); } else if (strcmp(argv[i], "-O") == 0) { arguments->order = atoi(argv[++i]); if (arguments->order > 1 || arguments->order < 0) { arguments->order = 0; } else if (arguments->order == 1) { arguments->rate = 10; } } else if (strcmp(argv[i], "-R") == 0) { arguments->rate = atoi(argv[++i]); if (arguments->order == 1 && (arguments->rate > 50 || arguments->rate <= 0)) { arguments->rate = 10; } } else if (strcmp(argv[i], "-a") == 0) { arguments->replica = atoi(argv[++i]); if (arguments->rate > 3 || arguments->rate < 1) { arguments->rate = 1; } } else if (strcmp(argv[i], "-D") == 0) { arguments->method_of_delete = atoi(argv[++i]); if (arguments->method_of_delete < 0 || arguments->method_of_delete > 3) { arguments->method_of_delete = 0; } } else if (strcmp(argv[i], "--help") == 0) { printHelp(); exit(EXIT_FAILURE); } else { fprintf(stderr, "wrong options\n"); printHelp(); exit(EXIT_FAILURE); } } } #endif /* ******************************* Structure * definition******************************* */ enum MODE { SYNC, ASYNC }; typedef struct { TAOS *taos; int threadID; char db_name[MAX_DB_NAME_SIZE]; char fp[4096]; char **datatype; int len_of_binary; char tb_prefix[MAX_TB_NAME_SIZE]; int start_table_id; int end_table_id; int ncols_per_record; int nrecords_per_table; int nrecords_per_request; int data_of_order; int data_of_rate; int64_t start_time; bool do_aggreFunc; char* cols; bool use_metric; tsem_t mutex_sem; int notFinished; tsem_t lock_sem; int counter; // insert delay statitics int64_t cntDelay; int64_t totalDelay; int64_t avgDelay; int64_t maxDelay; int64_t minDelay; } info; typedef struct { TAOS *taos; char tb_name[MAX_TB_NAME_SIZE]; int64_t timestamp; int target; int counter; int nrecords_per_request; int ncols_per_record; char **data_type; int len_of_binary; int data_of_order; int data_of_rate; tsem_t *mutex_sem; int *notFinished; tsem_t *lock_sem; } sTable; /* ******************************* Global * variables******************************* */ char *aggreFunc[] = {"*", "count(*)", "avg(f1)", "sum(f1)", "max(f1)", "min(f1)", "first(f1)", "last(f1)"}; void queryDB(TAOS *taos, char *command); void *readTable(void *sarg); void *readMetric(void *sarg); void *syncWrite(void *sarg); void *deleteTable(); void *asyncWrite(void *sarg); int generateData(char *res, char **data_type, int num_of_cols, int64_t timestamp, int len_of_binary); void rand_string(char *str, int size); void init_rand_data(); double getCurrentTime(); void callBack(void *param, TAOS_RES *res, int code); void multiThreadCreateTable(char* cols, bool use_metric, int threads, int ntables, char* db_name, char* tb_prefix, char *ip_addr, uint16_t port, char *user, char *pass); void querySqlFile(TAOS* taos, char* sqlFile); int main(int argc, char *argv[]) { SDemoArguments arguments = { NULL, // host 0, // port "root", // user #ifdef _TD_POWER_ "powerdb", // password #else "taosdata", // password #endif "test", // database 1, // replica "t", // tb_prefix NULL, false, // use_metric false, // insert_only false, // answer_yes "./output.txt", // output_file 0, // mode { "int", // datatype "int", "int", "int", "int", "int", "int", "float" }, 8, // len_of_binary 1, // num_of_CPR 1, // num_of_connections/thread 1, // num_of_RPR 1, // num_of_tables 50000, // num_of_DPT 0, // abort 0, // order 0, // rate 0, // method_of_delete NULL // arg_list }; /* Parse our arguments; every option seen by parse_opt will be reflected in arguments. */ // For demo use, change default values for some parameters; arguments.num_of_tables = 10000; arguments.num_of_CPR = 3; arguments.num_of_threads = 10; arguments.num_of_DPT = 100000; arguments.num_of_RPR = 1000; arguments.use_metric = true; arguments.insert_only = false; arguments.answer_yes = false; // end change parse_args(argc, argv, &arguments); enum MODE query_mode = arguments.mode; char *ip_addr = arguments.host; uint16_t port = arguments.port; char *user = arguments.user; char *pass = arguments.password; char *db_name = arguments.database; char *tb_prefix = arguments.tb_prefix; int len_of_binary = arguments.len_of_binary; int ncols_per_record = arguments.num_of_CPR; int order = arguments.order; int rate = arguments.rate; int method_of_delete = arguments.method_of_delete; int ntables = arguments.num_of_tables; int threads = arguments.num_of_threads; int nrecords_per_table = arguments.num_of_DPT; int nrecords_per_request = arguments.num_of_RPR; bool use_metric = arguments.use_metric; bool insert_only = arguments.insert_only; bool answer_yes = arguments.answer_yes; char **data_type = arguments.datatype; int count_data_type = 0; char dataString[STRING_LEN]; bool do_aggreFunc = true; int replica = arguments.replica; if (NULL != arguments.sqlFile) { TAOS* qtaos = taos_connect(ip_addr, user, pass, db_name, port); querySqlFile(qtaos, arguments.sqlFile); taos_close(qtaos); return 0; } init_rand_data(); memset(dataString, 0, STRING_LEN); int len = 0; if (strcasecmp(data_type[0], "BINARY") == 0 || strcasecmp(data_type[0], "BOOL") == 0 || strcasecmp(data_type[0], "NCHAR") == 0 ) { do_aggreFunc = false; } for (; count_data_type <= MAX_NUM_DATATYPE; count_data_type++) { if (data_type[count_data_type] == NULL) { break; } len += snprintf(dataString + len, STRING_LEN - len, "%s ", data_type[count_data_type]); } FILE *fp = fopen(arguments.output_file, "a"); if (NULL == fp) { fprintf(stderr, "Failed to open %s for writing\n", arguments.output_file); return 1; }; time_t tTime = time(NULL); struct tm tm = *localtime(&tTime); printf("###################################################################\n"); printf("# Server IP: %s:%hu\n", ip_addr == NULL ? "localhost" : ip_addr, port); printf("# User: %s\n", user); printf("# Password: %s\n", pass); printf("# Use metric: %s\n", use_metric ? "true" : "false"); printf("# Datatype of Columns: %s\n", dataString); printf("# Binary Length(If applicable): %d\n", (strncasecmp(dataString, "BINARY", 6) == 0 || strncasecmp(dataString, "NCHAR", 5) == 0) ? len_of_binary : -1); printf("# Number of Columns per record: %d\n", ncols_per_record); printf("# Number of Threads: %d\n", threads); printf("# Number of Tables: %d\n", ntables); printf("# Number of Data per Table: %d\n", nrecords_per_table); printf("# Records/Request: %d\n", nrecords_per_request); printf("# Database name: %s\n", db_name); printf("# Table prefix: %s\n", tb_prefix); if (order == 1) { printf("# Data order: %d\n", order); printf("# Data out of order rate: %d\n", rate); } printf("# Delete method: %d\n", method_of_delete); printf("# Test time: %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); if (!answer_yes) { printf("###################################################################\n\n"); printf("Press enter key to continue"); (void)getchar(); } fprintf(fp, "###################################################################\n"); fprintf(fp, "# Server IP: %s:%hu\n", ip_addr == NULL ? "localhost" : ip_addr, port); fprintf(fp, "# User: %s\n", user); fprintf(fp, "# Password: %s\n", pass); fprintf(fp, "# Use metric: %s\n", use_metric ? "true" : "false"); fprintf(fp, "# Datatype of Columns: %s\n", dataString); fprintf(fp, "# Binary Length(If applicable): %d\n", (strncasecmp(dataString, "BINARY", 6) == 0 || strncasecmp(dataString, "NCHAR", 5) == 0) ? len_of_binary : -1); fprintf(fp, "# Number of Columns per record: %d\n", ncols_per_record); fprintf(fp, "# Number of Threads: %d\n", threads); fprintf(fp, "# Number of Tables: %d\n", ntables); fprintf(fp, "# Number of Data per Table: %d\n", nrecords_per_table); fprintf(fp, "# Records/Request: %d\n", nrecords_per_request); fprintf(fp, "# Database name: %s\n", db_name); fprintf(fp, "# Table prefix: %s\n", tb_prefix); if (order == 1) { printf("# Data order: %d\n", order); printf("# Data out of order rate: %d\n", rate); } fprintf(fp, "# Test time: %d-%02d-%02d %02d:%02d:%02d\n", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec); fprintf(fp, "###################################################################\n\n"); fprintf(fp, "| WRecords | Records/Second | Requests/Second | WLatency(ms) |\n"); taos_init(); TAOS *taos = taos_connect(ip_addr, user, pass, NULL, port); if (taos == NULL) { fprintf(stderr, "Failed to connect to TDengine, reason:%s\n", taos_errstr(NULL)); return 1; } char command[BUFFER_SIZE] = "\0"; sprintf(command, "drop database %s;", db_name); TAOS_RES* res = taos_query(taos, command); taos_free_result(res); sprintf(command, "create database %s replica %d;", db_name, replica); res = taos_query(taos, command); taos_free_result(res); char cols[STRING_LEN] = "\0"; int colIndex = 0; len = 0; for (; colIndex < ncols_per_record - 1; colIndex++) { if (strcasecmp(data_type[colIndex % count_data_type], "BINARY") != 0 && strcasecmp(data_type[colIndex % count_data_type], "NCHAR") != 0) { len += snprintf(cols + len, STRING_LEN - len, ",f%d %s", colIndex + 1, data_type[colIndex % count_data_type]); } else { len += snprintf(cols + len, STRING_LEN - len, ",f%d %s(%d)", colIndex + 1, data_type[colIndex % count_data_type], len_of_binary); } } if (strcasecmp(data_type[colIndex % count_data_type], "BINARY") != 0 && strcasecmp(data_type[colIndex % count_data_type], "NCHAR") != 0){ len += snprintf(cols + len, STRING_LEN - len, ",f%d %s", colIndex + 1, data_type[colIndex % count_data_type]); } else { len += snprintf(cols + len, STRING_LEN - len, ",f%d %s(%d)", colIndex + 1, data_type[colIndex % count_data_type], len_of_binary); } if (use_metric) { /* Create metric table */ printf("Creating meters super table...\n"); snprintf(command, BUFFER_SIZE, "create table if not exists %s.meters (ts timestamp%s) tags (areaid int, loc binary(10))", db_name, cols); queryDB(taos, command); printf("meters created!\n"); } taos_close(taos); /* Wait for table to create */ multiThreadCreateTable(cols, use_metric, threads, ntables, db_name, tb_prefix, ip_addr, port, user, pass); /* Insert data */ double ts = getCurrentTime(); printf("Inserting data......\n"); pthread_t *pids = malloc(threads * sizeof(pthread_t)); info *infos = malloc(threads * sizeof(info)); memset(pids, 0, threads * sizeof(pthread_t)); memset(infos, 0, threads * sizeof(info)); int a = ntables / threads; if (a < 1) { threads = ntables; a = 1; } int b = 0; if (threads != 0) b = ntables % threads; int last = 0; for (int i = 0; i < threads; i++) { info *t_info = infos + i; t_info->threadID = i; tstrncpy(t_info->db_name, db_name, MAX_DB_NAME_SIZE); tstrncpy(t_info->tb_prefix, tb_prefix, MAX_TB_NAME_SIZE); t_info->datatype = data_type; t_info->ncols_per_record = ncols_per_record; t_info->nrecords_per_table = nrecords_per_table; t_info->start_time = 1500000000000; t_info->taos = taos_connect(ip_addr, user, pass, db_name, port); t_info->len_of_binary = len_of_binary; t_info->nrecords_per_request = nrecords_per_request; t_info->start_table_id = last; t_info->data_of_order = order; t_info->data_of_rate = rate; t_info->end_table_id = i < b ? last + a : last + a - 1; last = t_info->end_table_id + 1; t_info->counter = 0; t_info->minDelay = INT16_MAX; tsem_init(&(t_info->mutex_sem), 0, 1); t_info->notFinished = t_info->end_table_id - t_info->start_table_id + 1; tsem_init(&(t_info->lock_sem), 0, 0); if (query_mode == SYNC) { pthread_create(pids + i, NULL, syncWrite, t_info); } else { pthread_create(pids + i, NULL, asyncWrite, t_info); } } for (int i = 0; i < threads; i++) { pthread_join(pids[i], NULL); } double t = getCurrentTime() - ts; if (query_mode == SYNC) { printf("SYNC Insert with %d connections:\n", threads); } else { printf("ASYNC Insert with %d connections:\n", threads); } fprintf(fp, "|%"PRIu64" | %10.2f | %10.2f | %10.4f |\n\n", (int64_t)ntables * nrecords_per_table, ntables * nrecords_per_table / t, ((int64_t)ntables * nrecords_per_table) / (t * nrecords_per_request), t * 1000); printf("Spent %.4f seconds to insert %"PRIu64" records with %d record(s) per request: %.2f records/second\n", t, (int64_t)ntables * nrecords_per_table, nrecords_per_request, (int64_t)ntables * nrecords_per_table / t); int64_t totalDelay = 0; int64_t maxDelay = 0; int64_t minDelay = INT16_MAX; int64_t cntDelay = 0; double avgDelay = 0; for (int i = 0; i < threads; i++) { info *t_info = infos + i; taos_close(t_info->taos); tsem_destroy(&(t_info->mutex_sem)); tsem_destroy(&(t_info->lock_sem)); totalDelay += t_info->totalDelay; cntDelay += t_info->cntDelay; if (t_info->maxDelay > maxDelay) maxDelay = t_info->maxDelay; if (t_info->minDelay < minDelay) minDelay = t_info->minDelay; } avgDelay = (double)totalDelay / cntDelay; fprintf(fp, "insert delay, avg:%10.6fms, max: %10.6fms, min: %10.6fms\n\n", avgDelay/1000.0, (double)maxDelay/1000.0, (double)minDelay/1000.0); printf("insert delay, avg: %10.6fms, max: %10.6fms, min: %10.6fms\n\n", avgDelay/1000.0, (double)maxDelay/1000.0, (double)minDelay/1000.0); free(pids); free(infos); fclose(fp); if (method_of_delete != 0) { TAOS *dtaos = taos_connect(ip_addr, user, pass, db_name, port); double dts = getCurrentTime(); printf("Deleteing %d table(s)......\n", ntables); switch (method_of_delete) { case 1: // delete by table /* Create all the tables; */ for (int i = 0; i < ntables; i++) { sprintf(command, "drop table %s.%s%d;", db_name, tb_prefix, i); queryDB(dtaos, command); } break; case 2: // delete by stable if (!use_metric) { break; } else { sprintf(command, "drop table %s.meters;", db_name); queryDB(dtaos, command); } break; case 3: // delete by database sprintf(command, "drop database %s;", db_name); queryDB(dtaos, command); break; default: break; } printf("Table(s) droped!\n"); taos_close(dtaos); double dt = getCurrentTime() - dts; printf("Spent %.4f seconds to drop %d tables\n", dt, ntables); FILE *fp = fopen(arguments.output_file, "a"); fprintf(fp, "Spent %.4f seconds to drop %d tables\n", dt, ntables); fclose(fp); } if (false == insert_only) { // query data pthread_t read_id; info *rInfo = malloc(sizeof(info)); rInfo->start_time = 1500000000000; rInfo->start_table_id = 0; rInfo->end_table_id = ntables - 1; rInfo->do_aggreFunc = do_aggreFunc; rInfo->nrecords_per_table = nrecords_per_table; rInfo->taos = taos_connect(ip_addr, user, pass, db_name, port); strcpy(rInfo->tb_prefix, tb_prefix); strcpy(rInfo->fp, arguments.output_file); if (!use_metric) { pthread_create(&read_id, NULL, readTable, rInfo); } else { pthread_create(&read_id, NULL, readMetric, rInfo); } pthread_join(read_id, NULL); taos_close(rInfo->taos); free(rInfo); } taos_cleanup(); return 0; } #define MAX_SQL_SIZE 65536 void selectSql(TAOS* taos, char* sqlcmd) { TAOS_RES *pSql = taos_query(taos, sqlcmd); int32_t code = taos_errno(pSql); if (code != 0) { printf("Failed to sqlcmd:%s, reason:%s\n", sqlcmd, taos_errstr(pSql)); taos_free_result(pSql); exit(1); } int count = 0; while (taos_fetch_row(pSql) != NULL) { count++; } taos_free_result(pSql); return; } /* Function to do regular expression check */ static int regexMatch(const char *s, const char *reg, int cflags) { regex_t regex; char msgbuf[100] = {0}; /* Compile regular expression */ if (regcomp(®ex, reg, cflags) != 0) { printf("Fail to compile regex\n"); exit(-1); } /* Execute regular expression */ int reti = regexec(®ex, s, 0, NULL, 0); if (!reti) { regfree(®ex); return 1; } else if (reti == REG_NOMATCH) { regfree(®ex); return 0; } else { regerror(reti, ®ex, msgbuf, sizeof(msgbuf)); printf("Regex match failed: %s\n", msgbuf); regfree(®ex); exit(-1); } return 0; } static int isCommentLine(char *line) { if (line == NULL) return 1; return regexMatch(line, "^\\s*#.*", REG_EXTENDED); } void querySqlFile(TAOS* taos, char* sqlFile) { FILE *fp = fopen(sqlFile, "r"); if (fp == NULL) { printf("failed to open file %s, reason:%s\n", sqlFile, strerror(errno)); exit(-1); } int read_len = 0; char * cmd = calloc(1, MAX_SQL_SIZE); size_t cmd_len = 0; char * line = NULL; size_t line_len = 0; double t = getCurrentTime(); while ((read_len = tgetline(&line, &line_len, fp)) != -1) { if (read_len >= MAX_SQL_SIZE) continue; line[--read_len] = '\0'; if (read_len == 0 || isCommentLine(line)) { // line starts with # continue; } if (line[read_len - 1] == '\\') { line[read_len - 1] = ' '; memcpy(cmd + cmd_len, line, read_len); cmd_len += read_len; continue; } memcpy(cmd + cmd_len, line, read_len); selectSql(taos, cmd); memset(cmd, 0, MAX_SQL_SIZE); cmd_len = 0; } t = getCurrentTime() - t; printf("run %s took %.6f second(s)\n\n", sqlFile, t); free(cmd); if (line) free(line); fclose(fp); return; } void * createTable(void *sarg) { char command[BUFFER_SIZE] = "\0"; info *winfo = (info *)sarg; if (!winfo->use_metric) { /* Create all the tables; */ printf("Creating table from %d to %d\n", winfo->start_table_id, winfo->end_table_id); for (int i = winfo->start_table_id; i <= winfo->end_table_id; i++) { snprintf(command, BUFFER_SIZE, "create table if not exists %s.%s%d (ts timestamp%s);", winfo->db_name, winfo->tb_prefix, i, winfo->cols); queryDB(winfo->taos, command); } } else { /* Create all the tables; */ printf("Creating table from %d to %d\n", winfo->start_table_id, winfo->end_table_id); for (int i = winfo->start_table_id; i <= winfo->end_table_id; i++) { int j; if (i % 10 == 0) { j = 10; } else { j = i % 10; } if (j % 2 == 0) { snprintf(command, BUFFER_SIZE, "create table if not exists %s.%s%d using %s.meters tags (%d,\"%s\");", winfo->db_name, winfo->tb_prefix, i, winfo->db_name, j, "shanghai"); } else { snprintf(command, BUFFER_SIZE, "create table if not exists %s.%s%d using %s.meters tags (%d,\"%s\");", winfo->db_name, winfo->tb_prefix, i, winfo->db_name, j, "beijing"); } queryDB(winfo->taos, command); } } return NULL; } void multiThreadCreateTable(char* cols, bool use_metric, int threads, int ntables, char* db_name, char* tb_prefix, char *ip_addr, uint16_t port, char *user, char *pass) { double ts = getCurrentTime(); printf("create table......\n"); pthread_t *pids = malloc(threads * sizeof(pthread_t)); info *infos = malloc(threads * sizeof(info)); int a = ntables / threads; if (a < 1) { threads = ntables; a = 1; } int b = 0; if (threads != 0) b = ntables % threads; int last = 0; for (int i = 0; i < threads; i++) { info *t_info = infos + i; t_info->threadID = i; tstrncpy(t_info->db_name, db_name, MAX_DB_NAME_SIZE); tstrncpy(t_info->tb_prefix, tb_prefix, MAX_TB_NAME_SIZE); t_info->taos = taos_connect(ip_addr, user, pass, db_name, port); t_info->start_table_id = last; t_info->end_table_id = i < b ? last + a : last + a - 1; last = t_info->end_table_id + 1; t_info->use_metric = use_metric; t_info->cols = cols; pthread_create(pids + i, NULL, createTable, t_info); } for (int i = 0; i < threads; i++) { pthread_join(pids[i], NULL); } double t = getCurrentTime() - ts; printf("Spent %.4f seconds to create %d tables with %d connections\n", t, ntables, threads); for (int i = 0; i < threads; i++) { info *t_info = infos + i; tsem_destroy(&(t_info->mutex_sem)); tsem_destroy(&(t_info->lock_sem)); } free(pids); free(infos); return ; } void *readTable(void *sarg) { info *rinfo = (info *)sarg; TAOS *taos = rinfo->taos; char command[BUFFER_SIZE] = "\0"; int64_t sTime = rinfo->start_time; char *tb_prefix = rinfo->tb_prefix; FILE *fp = fopen(rinfo->fp, "a"); if (NULL == fp) { printf("fopen %s fail, reason:%s.\n", rinfo->fp, strerror(errno)); return NULL; } int num_of_DPT = rinfo->nrecords_per_table; int num_of_tables = rinfo->end_table_id - rinfo->start_table_id + 1; int totalData = num_of_DPT * num_of_tables; bool do_aggreFunc = rinfo->do_aggreFunc; int n = do_aggreFunc ? (sizeof(aggreFunc) / sizeof(aggreFunc[0])) : 2; if (!do_aggreFunc) { printf("\nThe first field is either Binary or Bool. Aggregation functions are not supported.\n"); } printf("%d records:\n", totalData); fprintf(fp, "| QFunctions | QRecords | QSpeed(R/s) | QLatency(ms) |\n"); for (int j = 0; j < n; j++) { double totalT = 0; int count = 0; for (int i = 0; i < num_of_tables; i++) { sprintf(command, "select %s from %s%d where ts>= %" PRId64, aggreFunc[j], tb_prefix, i, sTime); double t = getCurrentTime(); TAOS_RES *pSql = taos_query(taos, command); int32_t code = taos_errno(pSql); if (code != 0) { fprintf(stderr, "Failed to query:%s\n", taos_errstr(pSql)); taos_free_result(pSql); taos_close(taos); exit(EXIT_FAILURE); } while (taos_fetch_row(pSql) != NULL) { count++; } t = getCurrentTime() - t; totalT += t; taos_free_result(pSql); } fprintf(fp, "|%10s | %10d | %12.2f | %10.2f |\n", aggreFunc[j][0] == '*' ? " * " : aggreFunc[j], totalData, (double)(num_of_tables * num_of_DPT) / totalT, totalT * 1000); printf("select %10s took %.6f second(s)\n", aggreFunc[j], totalT); } fprintf(fp, "\n"); fclose(fp); return NULL; } void *readMetric(void *sarg) { info *rinfo = (info *)sarg; TAOS *taos = rinfo->taos; char command[BUFFER_SIZE] = "\0"; FILE *fp = fopen(rinfo->fp, "a"); if (NULL == fp) { printf("fopen %s fail, reason:%s.\n", rinfo->fp, strerror(errno)); return NULL; } int num_of_DPT = rinfo->nrecords_per_table; int num_of_tables = rinfo->end_table_id - rinfo->start_table_id + 1; int totalData = num_of_DPT * num_of_tables; bool do_aggreFunc = rinfo->do_aggreFunc; int n = do_aggreFunc ? (sizeof(aggreFunc) / sizeof(aggreFunc[0])) : 2; if (!do_aggreFunc) { printf("\nThe first field is either Binary or Bool. Aggregation functions are not supported.\n"); } printf("%d records:\n", totalData); fprintf(fp, "Querying On %d records:\n", totalData); for (int j = 0; j < n; j++) { char condition[BUFFER_SIZE - 30] = "\0"; char tempS[64] = "\0"; int m = 10 < num_of_tables ? 10 : num_of_tables; for (int i = 1; i <= m; i++) { if (i == 1) { sprintf(tempS, "areaid = %d", i); } else { sprintf(tempS, " or areaid = %d ", i); } strcat(condition, tempS); sprintf(command, "select %s from meters where %s", aggreFunc[j], condition); printf("Where condition: %s\n", condition); fprintf(fp, "%s\n", command); double t = getCurrentTime(); TAOS_RES *pSql = taos_query(taos, command); int32_t code = taos_errno(pSql); if (code != 0) { fprintf(stderr, "Failed to query:%s\n", taos_errstr(pSql)); taos_free_result(pSql); taos_close(taos); exit(1); } int count = 0; while (taos_fetch_row(pSql) != NULL) { count++; } t = getCurrentTime() - t; fprintf(fp, "| Speed: %12.2f(per s) | Latency: %.4f(ms) |\n", num_of_tables * num_of_DPT / t, t * 1000); printf("select %10s took %.6f second(s)\n\n", aggreFunc[j], t); taos_free_result(pSql); } fprintf(fp, "\n"); } fclose(fp); return NULL; } static int queryDbExec(TAOS *taos, char *command, int type) { int i; TAOS_RES *res = NULL; int32_t code = -1; for (i = 0; i < 5; i++) { if (NULL != res) { taos_free_result(res); res = NULL; } res = taos_query(taos, command); code = taos_errno(res); if (0 == code) { break; } } if (code != 0) { fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(res)); taos_free_result(res); //taos_close(taos); return -1; } if (1 == type) { int affectedRows = taos_affected_rows(res); taos_free_result(res); return affectedRows; } taos_free_result(res); return 0; } void queryDB(TAOS *taos, char *command) { int i; TAOS_RES *pSql = NULL; int32_t code = -1; for (i = 0; i < 5; i++) { if (NULL != pSql) { taos_free_result(pSql); pSql = NULL; } pSql = taos_query(taos, command); code = taos_errno(pSql); if (0 == code) { break; } } if (code != 0) { fprintf(stderr, "Failed to run %s, reason: %s\n", command, taos_errstr(pSql)); taos_free_result(pSql); taos_close(taos); exit(EXIT_FAILURE); } taos_free_result(pSql); } // sync insertion void *syncWrite(void *sarg) { info *winfo = (info *)sarg; char buffer[BUFFER_SIZE] = "\0"; char data[MAX_DATA_SIZE]; char **data_type = winfo->datatype; int len_of_binary = winfo->len_of_binary; int ncols_per_record = winfo->ncols_per_record; srand((uint32_t)time(NULL)); int64_t time_counter = winfo->start_time; for (int i = 0; i < winfo->nrecords_per_table;) { for (int tID = winfo->start_table_id; tID <= winfo->end_table_id; tID++) { int inserted = i; int64_t tmp_time = time_counter; char *pstr = buffer; pstr += sprintf(pstr, "insert into %s.%s%d values", winfo->db_name, winfo->tb_prefix, tID); int k; for (k = 0; k < winfo->nrecords_per_request;) { int rand_num = rand() % 100; int len = -1; if (winfo->data_of_order ==1 && rand_num < winfo->data_of_rate) { int64_t d = tmp_time - rand() % 1000000 + rand_num; len = generateData(data, data_type, ncols_per_record, d, len_of_binary); } else { len = generateData(data, data_type, ncols_per_record, tmp_time += 1000, len_of_binary); } //assert(len + pstr - buffer < BUFFER_SIZE); if (len + pstr - buffer >= BUFFER_SIZE) { // too long break; } pstr += sprintf(pstr, " %s", data); inserted++; k++; if (inserted >= winfo->nrecords_per_table) break; } /* puts(buffer); */ int64_t startTs; int64_t endTs; startTs = taosGetTimestampUs(); //queryDB(winfo->taos, buffer); int affectedRows = queryDbExec(winfo->taos, buffer, 1); if (0 <= affectedRows){ endTs = taosGetTimestampUs(); int64_t delay = endTs - startTs; if (delay > winfo->maxDelay) winfo->maxDelay = delay; if (delay < winfo->minDelay) winfo->minDelay = delay; winfo->cntDelay++; winfo->totalDelay += delay; //winfo->avgDelay = (double)winfo->totalDelay / winfo->cntDelay; } if (tID == winfo->end_table_id) { i = inserted; time_counter = tmp_time; } } } return NULL; } void *asyncWrite(void *sarg) { info *winfo = (info *)sarg; taos_query_a(winfo->taos, "show databases", callBack, winfo); tsem_wait(&(winfo->lock_sem)); return NULL; } void callBack(void *param, TAOS_RES *res, int code) { info* winfo = (info*)param; char **datatype = winfo->datatype; int ncols_per_record = winfo->ncols_per_record; int len_of_binary = winfo->len_of_binary; int64_t tmp_time = winfo->start_time; char *buffer = calloc(1, BUFFER_SIZE); char *data = calloc(1, MAX_DATA_SIZE); char *pstr = buffer; pstr += sprintf(pstr, "insert into %s.%s%d values", winfo->db_name, winfo->tb_prefix, winfo->start_table_id); if (winfo->counter >= winfo->nrecords_per_table) { winfo->start_table_id++; winfo->counter = 0; } if (winfo->start_table_id > winfo->end_table_id) { tsem_post(&winfo->lock_sem); free(buffer); free(data); taos_free_result(res); return; } for (int i = 0; i < winfo->nrecords_per_request; i++) { int rand_num = rand() % 100; if (winfo->data_of_order ==1 && rand_num < winfo->data_of_rate) { int64_t d = tmp_time - rand() % 1000000 + rand_num; generateData(data, datatype, ncols_per_record, d, len_of_binary); } else { generateData(data, datatype, ncols_per_record, tmp_time += 1000, len_of_binary); } pstr += sprintf(pstr, "%s", data); winfo->counter++; if (winfo->counter >= winfo->nrecords_per_table) { break; } } taos_query_a(winfo->taos, buffer, callBack, winfo); free(buffer); free(data); taos_free_result(res); } double getCurrentTime() { struct timeval tv; if (gettimeofday(&tv, NULL) != 0) { perror("Failed to get current time in ms"); exit(EXIT_FAILURE); } return tv.tv_sec + tv.tv_usec / 1E6; } int32_t randint[MAX_PREPARED_RAND]; int64_t randbigint[MAX_PREPARED_RAND]; float randfloat[MAX_PREPARED_RAND]; double randdouble[MAX_PREPARED_RAND]; int32_t rand_tinyint(){ static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randint[cursor] % 128; } int32_t rand_smallint(){ static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randint[cursor] % 32767; } int32_t rand_int(){ static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randint[cursor]; } int64_t rand_bigint(){ static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randbigint[cursor]; } float rand_float(){ static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randfloat[cursor]; } double rand_double() { static int cursor; cursor++; cursor = cursor % MAX_PREPARED_RAND; return randdouble[cursor]; } void init_rand_data(){ for (int i = 0; i < MAX_PREPARED_RAND; i++){ randint[i] = (int)(rand() % 10); randbigint[i] = (int64_t)(rand() % 2147483648); randfloat[i] = (float)(rand() / 1000.0); randdouble[i] = (double)(rand() / 1000000.0); } } int32_t generateData(char *res, char **data_type, int num_of_cols, int64_t timestamp, int len_of_binary) { memset(res, 0, MAX_DATA_SIZE); char *pstr = res; pstr += sprintf(pstr, "(%" PRId64, timestamp); int c = 0; for (; c < MAX_NUM_DATATYPE; c++) { if (data_type[c] == NULL) { break; } } if (0 == c) { perror("data type error!"); exit(-1); } for (int i = 0; i < num_of_cols; i++) { if (strcasecmp(data_type[i % c], "tinyint") == 0) { pstr += sprintf(pstr, ", %d", rand_tinyint() ); } else if (strcasecmp(data_type[i % c], "smallint") == 0) { pstr += sprintf(pstr, ", %d", rand_smallint()); } else if (strcasecmp(data_type[i % c], "int") == 0) { pstr += sprintf(pstr, ", %d", rand_int()); } else if (strcasecmp(data_type[i % c], "bigint") == 0) { pstr += sprintf(pstr, ", %" PRId64, rand_bigint()); } else if (strcasecmp(data_type[i % c], "float") == 0) { pstr += sprintf(pstr, ", %10.4f", rand_float()); } else if (strcasecmp(data_type[i % c], "double") == 0) { double t = rand_double(); pstr += sprintf(pstr, ", %20.8f", t); } else if (strcasecmp(data_type[i % c], "bool") == 0) { bool b = rand() & 1; pstr += sprintf(pstr, ", %s", b ? "true" : "false"); } else if (strcasecmp(data_type[i % c], "binary") == 0) { char *s = malloc(len_of_binary); rand_string(s, len_of_binary); pstr += sprintf(pstr, ", \"%s\"", s); free(s); }else if (strcasecmp(data_type[i % c], "nchar") == 0) { char *s = malloc(len_of_binary); rand_string(s, len_of_binary); pstr += sprintf(pstr, ", \"%s\"", s); free(s); } if (pstr - res > MAX_DATA_SIZE) { perror("column length too long, abort"); exit(-1); } } pstr += sprintf(pstr, ")"); return (int32_t)(pstr - res); } static const char charset[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJK1234567890"; void rand_string(char *str, int size) { str[0] = 0; if (size > 0) { --size; int n; for (n = 0; n < size; n++) { int key = rand() % (int)(sizeof charset - 1); str[n] = charset[key]; } str[n] = 0; } }