/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2005-2008 Poul-Henning Kamp
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <err.h>
#include <unistd.h>
#include <ctype.h>
#include <assert.h>
#include <poll.h>
#include <string.h>
#include <zlib.h>

#include "libfifolog.h"

static void
usage(void)
{
        fprintf(stderr,
            "Usage: fifolog_writer [-w write-rate] [-s sync-rate] "
            "[-z compression] file\n");
        exit(EX_USAGE);
}

int
main(int argc, char * const *argv)
{
        struct fifolog_writer *f;
        const char *es;
        struct pollfd pfd[1];
        char buf[BUFSIZ], *p;
        int i, c;
        unsigned w_opt = 10;
        unsigned s_opt = 60;
        unsigned z_opt = Z_BEST_COMPRESSION;

        while ((c = getopt(argc, argv, "w:s:z:")) != -1) {
                switch(c) {
                case 'w':
                        w_opt = strtoul(optarg, NULL, 0);
                        break;
                case 's':
                        s_opt = strtoul(optarg, NULL, 0);
                        break;
                case 'z':
                        z_opt = strtoul(optarg, NULL, 0);
                        break;
                default:
                        usage();
                }
        }
        argc -= optind;
        argv += optind;
        if (argc != 1)
                usage();

        if (z_opt > 9)
                usage();

        if (w_opt > s_opt)
                usage();

        f = fifolog_write_new();
        assert(f != NULL);

        es = fifolog_write_open(f, argv[0], w_opt, s_opt, z_opt);
        if (es)
                err(1, "Error: %s", es);

        while (1) {
                pfd[0].fd = 0;
                pfd[0].events = POLLIN;
                i = poll(pfd, 1, 1000);
                if (i == 1) {
                        if (fgets(buf, sizeof buf, stdin) == NULL)
                                break;
                        p = strchr(buf, '\0');
                        assert(p != NULL);
                        while (p > buf && isspace(p[-1]))
                                p--;
                        *p = '\0';
                        if (*buf != '\0')
                                fifolog_write_record_poll(f, 0, 0, buf, 0);
                } else if (i == 0)
                        fifolog_write_poll(f, 0);
        }
        fifolog_write_close(f);
        return (0);
}