git.sesse.net Git - vlc/blob - include/httpd.h

   1 /*****************************************************************************
   2  * httpd.h
   3  *****************************************************************************
   4  * Copyright (C) 2001-2003 VideoLAN
   5  * $Id: httpd.h,v 1.7 2003/07/11 09:50:10 gbazin Exp $
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 typedef struct httpd_host_t     httpd_host_t;
  25
  26 typedef struct httpd_file_t     httpd_file_t;
  27 //typedef struct httpd_stream_t   httpd_stream_t;
  28 typedef httpd_file_t httpd_stream_t;
  29
  30 typedef struct httpd_file_callback_args_t httpd_file_callback_args_t;
  31 typedef int (*httpd_file_callback)( httpd_file_callback_args_t *p_args,
  32     uint8_t *p_request, int i_request, uint8_t **pp_data, int *pi_data );
  33
  34 typedef struct httpd_sys_t httpd_sys_t;
  35
  36 enum httpdControl_e
  37 {
  38     HTTPD_GET_HOSTS,
  39     HTTPD_GET_URLS,
  40     HTTPD_GET_CONNECTIONS,
  41     HTTPD_GET_ACL,          /* not implemented */
  42
  43     HTTPD_SET_CLOSE,
  44     HTTPD_SET_ACL           /* not implemented */
  45 };
  46
  47 typedef struct
  48 {
  49     char *psz_name;
  50     char *psz_value;
  51 } httpd_val_t;
  52
  53 typedef struct
  54 {
  55     int         i_count;
  56     httpd_val_t *info;
  57 } httpd_info_t;
  58
  59
  60 typedef struct httpd_t httpd_t;
  61
  62 struct httpd_t
  63 {
  64     VLC_COMMON_MEMBERS
  65
  66     module_t        *p_module;
  67     httpd_sys_t     *p_sys;
  68
  69     httpd_host_t   *(*pf_register_host)     ( httpd_t *, char *, int );
  70     void            (*pf_unregister_host)   ( httpd_t *, httpd_host_t * );
  71
  72     httpd_file_t   *(*pf_register_file)     ( httpd_t *,
  73                                               char *psz_file, char *psz_mime,
  74                                               char *psz_user, char *psz_password,
  75                                               httpd_file_callback pf_get,
  76                                               httpd_file_callback pf_post,
  77                                               httpd_file_callback_args_t *p_args );
  78     void            (*pf_unregister_file)   ( httpd_t *, httpd_file_t * );
  79
  80     httpd_stream_t *(*pf_register_stream)   ( httpd_t *,
  81                                               char *psz_file, char *psz_mime,
  82                                               char *psz_user, char *psz_password );
  83     int             (*pf_send_stream)       ( httpd_t *,
  84                                               httpd_stream_t *,
  85                                               uint8_t *, int );
  86     int             (*pf_header_stream)     ( httpd_t *,
  87                                               httpd_stream_t *,
  88                                               uint8_t *, int );
  89     void            (*pf_unregister_stream) ( httpd_t *, httpd_stream_t * );
  90     int             (*pf_control)           ( httpd_t *,
  91                                               int i_query,
  92                                               void *arg1, void *arg2 );
  93 };
  94
  95
  96 /*****************************************************************************
  97  * httpd_Find:
  98  *  Return the running httpd instance (if none and b_create then a new one is created)
  99  * httpd_release:
 100  *****************************************************************************/
 101
 102 static inline httpd_t* httpd_Find( vlc_object_t *p_this, vlc_bool_t b_create )
 103 {
 104     httpd_t *p_httpd = NULL;
 105     vlc_value_t lockval;
 106
 107     var_Get( p_this->p_libvlc, "httpd", &lockval );
 108     vlc_mutex_lock( lockval.p_address );
 109
 110     p_httpd = vlc_object_find( p_this, VLC_OBJECT_HTTPD, FIND_ANYWHERE );
 111     if( !p_httpd && b_create)
 112     {
 113         msg_Info(p_this, "creating new http daemon" );
 114
 115         p_httpd = vlc_object_create( p_this, VLC_OBJECT_HTTPD );
 116         if( !p_httpd )
 117         {
 118             msg_Err( p_this, "out of memory" );
 119             vlc_mutex_unlock( lockval.p_address );
 120             return( NULL );
 121         }
 122
 123         p_httpd->p_module = module_Need( p_httpd, "httpd", "" );
 124
 125         if( !p_httpd->p_module )
 126         {
 127             msg_Err( p_this, "no suitable httpd module" );
 128             vlc_object_destroy( p_httpd );
 129             vlc_mutex_unlock( lockval.p_address );
 130             return( NULL );
 131         }
 132
 133         vlc_object_yield( p_httpd );
 134         vlc_object_attach( p_httpd, p_this->p_vlc );
 135     }
 136     vlc_mutex_unlock( lockval.p_address );
 137
 138     return( p_httpd );
 139 }
 140
 141 static inline void  httpd_Release( httpd_t *p_httpd )
 142 {
 143     vlc_object_release( p_httpd );
 144
 145     if( p_httpd->i_refcount <= 0 )
 146     {
 147         msg_Info( p_httpd, "destroying unused httpd" );
 148         vlc_object_detach( p_httpd );
 149         module_Unneed( p_httpd, p_httpd->p_module );
 150         vlc_object_destroy( p_httpd );
 151     }
 152 }