File: main.c

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siridb-server 2.0.53-2
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/*
 * main.c - SiriDB.
 *
 * author/maintainer : Jeroen van der Heijden <jeroen@cesbit.com>
 * contributors      : https://github.com/SiriDB/siridb-server/contributors
 * home page         : https://siridb.net
 * copyright         : 2022, Cesbit
 *
 */
#include <locale.h>
#include <logger/logger.h>
#include <siri/args/args.h>
#include <siri/db/presuf.h>
#include <siri/err.h>
#include <siri/help/help.h>
#include <siri/siri.h>
#include <siri/version.h>
#include <siri/evars.h>
#include <siri/net/tcp.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>


int main(int argc, char * argv[])
{
    int seed, fd;

    /* set local to LC_ALL and C to force a period over comma for float */
    (void) setlocale(LC_ALL, "C");

    /* set threadpool size to 8 (default=4) */
    putenv("UV_THREADPOOL_SIZE=8");

    /* set default timezone to UTC */
    putenv("TZ=:UTC");
    tzset();

    /* parse arguments first since this can exit the program */
    siri_args_parse(&siri, argc, argv);

    /* setup logger, this must be done before logging the first line */
    siri_setup_logger();

    /* initialize random */
    seed = 0;
    fd = open("/dev/urandom", O_RDONLY);
    if (fd == -1 || read(fd, &seed, sizeof(int)) == -1)
    {
        log_error("Could not open /dev/urandom");
        return 1;
    }

    (void) close(fd);
    srand(seed);

    /* initialize points dictionary */
    siridb_points_init();

    /* start server */
    log_info("Starting SiriDB Server (version: %s)", SIRIDB_VERSION);

    /* initialize SiriDB mutex (used for the siridb_list) */
    if (uv_mutex_init(&siri.siridb_mutex))
    {
        exit(1);
    }

    /* read siridb main application configuration */
    siri_cfg_init(&siri);

    siri_evars_parse(&siri);

    if (make_database_directory())
    {
        exit(1);
    }

    set_max_open_files_limit();

    log_debug("Shard compression: %s", siri.cfg->shard_compression ? "enabled" : "disabled");
    log_debug("Shard auto duration: %s", siri.cfg->shard_auto_duration ? "enabled" : "disabled");
    log_debug("Pipe support: %s", siri.cfg->pipe_support ? "enabled" : "disabled");
    log_debug("IP support: %s", sirinet_tcp_ip_support_str(siri.cfg->ip_support));

    /* start SiriDB. (this start the event loop etc.) */
    if (siri_start() && !siri_err)
    {
        siri_err = ERR_STARTUP;
    }

    /* free siridb */
    siri_free();

    /* destroy SiriDB mutex */
    uv_mutex_destroy(&siri.siridb_mutex);

    /* cleanup prefix-suffix allocation */
    siridb_presuf_cleanup();

    /* cleanup help */
    siri_help_free();

    log_info("Bye! (%d)\n", siri_err);

    return siri_err;
}