ffserver.c

/*
 * Multiple format streaming server
 * 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
 */
#define HAVE_AV_CONFIG_H
#include "avformat.h"

#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_POLL_H
#include <sys/poll.h>
#endif
#include <errno.h>
#include <sys/time.h>
#undef time //needed because HAVE_AV_CONFIG_H is defined on top
#include <time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <signal.h>
#ifdef HAVE_DLFCN_H
#include <dlfcn.h>
#endif

#include "version.h"
#include "ffserver.h"
#include "random.h"

/* maximum number of simultaneous HTTP connections */
#define HTTP_MAX_CONNECTIONS 2000

enum HTTPState {
    HTTPSTATE_WAIT_REQUEST,
    HTTPSTATE_SEND_HEADER,
    HTTPSTATE_SEND_DATA_HEADER,
    HTTPSTATE_SEND_DATA,          /* sending TCP or UDP data */
    HTTPSTATE_SEND_DATA_TRAILER,
    HTTPSTATE_RECEIVE_DATA,
    HTTPSTATE_WAIT_FEED,          /* wait for data from the feed */
    HTTPSTATE_READY,

    RTSPSTATE_WAIT_REQUEST,
    RTSPSTATE_SEND_REPLY,
    RTSPSTATE_SEND_PACKET,
};

const char *http_state[] = {
    "HTTP_WAIT_REQUEST",
    "HTTP_SEND_HEADER",