ffserver_config.c

/*
 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <float.h>
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/avstring.h"
#include "libavutil/pixdesc.h"
#include "libavutil/avassert.h"

// FIXME those are internal headers, ffserver _really_ shouldn't use them
#include "libavformat/ffm.h"

#include "cmdutils.h"
#include "ffserver_config.h"

#define MAX_CHILD_ARGS 64

static int ffserver_save_avoption(const char *opt, const char *arg, int type,
                                  FFServerConfig *config);
static void vreport_config_error(const char *filename, int line_num,
                                 int log_level, int *errors, const char *fmt,
                                 va_list vl);
static void report_config_error(const char *filename, int line_num,
                                int log_level, int *errors, const char *fmt,
                                ...);

#define ERROR(...) report_config_error(config->filename, config->line_num,\
                                       AV_LOG_ERROR, &config->errors, __VA_ARGS__)
#define WARNING(...) report_config_error(config->filename, config->line_num,\
                                         AV_LOG_WARNING, &config->warnings, __VA_ARGS__)

/* FIXME: make ffserver work with IPv6 */
/* resolve host with also IP address parsing */
static int resolve_host(struct in_addr *sin_addr, const char *hostname)
{

    if (!ff_inet_aton(hostname, sin_addr)) {
#if HAVE_GETADDRINFO
        struct addrinfo *ai, *cur;
        struct addrinfo hints = { 0 };
        hints.ai_family = AF_INET;
        if (getaddrinfo(hostname, NULL, &hints, &ai))
            return -1;
        /* getaddrinfo returns a linked list of addrinfo structs.
         * Even if we set ai_family = AF_INET above, make sure
         * that the returned one actually is of the correct type. */
        for (cur = ai; cur; cur = cur->ai_next) {
            if (cur->ai_family == AF_INET) {
                *sin_addr = ((struct sockaddr_in *)cur->ai_addr)->sin_addr;
                freeaddrinfo(ai);
                return 0;
            }