1 /*****************************************************************************
2 * tcp.c: TCP input module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 VideoLAN (Centrale Réseaux) and its contributors
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
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.
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.
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 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
30 #include <vlc/input.h>
34 /*****************************************************************************
36 *****************************************************************************/
37 #define CACHING_TEXT N_("Caching value in ms")
38 #define CACHING_LONGTEXT N_( \
39 "Allows you to modify the default caching value for TCP streams. This " \
40 "value should be set in millisecond units." )
42 static int Open ( vlc_object_t * );
43 static void Close( vlc_object_t * );
46 set_shortname( _("TCP") );
47 set_description( _("TCP input") );
48 set_category( CAT_INPUT );
49 set_subcategory( SUBCAT_INPUT_ACCESS );
51 add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
52 CACHING_LONGTEXT, VLC_TRUE );
54 set_capability( "access2", 0 );
55 add_shortcut( "tcp" );
56 set_callbacks( Open, Close );
59 /*****************************************************************************
61 *****************************************************************************/
68 static int Read( access_t *, uint8_t *, int );
69 static int Control( access_t *, int, va_list );
71 /*****************************************************************************
72 * Open: open the socket
73 *****************************************************************************/
74 static int Open( vlc_object_t *p_this )
76 access_t *p_access = (access_t *)p_this;
79 char *psz_dup = strdup(p_access->psz_path);
80 char *psz_parser = psz_dup;
82 /* Parse server:port */
83 while( *psz_parser && *psz_parser != ':' )
85 if( *psz_parser == '[' )
88 while( *psz_parser && *psz_parser != ']' )
95 if( *psz_parser != ':' || psz_parser == psz_dup )
97 msg_Err( p_access, "you have to provide server:port addresse" );
101 *psz_parser++ = '\0';
103 if( atoi( psz_parser ) <= 0 )
105 msg_Err( p_access, "invalid port number (%d)", atoi( psz_parser ) );
111 p_access->pf_read = Read;
112 p_access->pf_block = NULL;
113 p_access->pf_control = Control;
114 p_access->pf_seek = NULL;
115 p_access->info.i_update = 0;
116 p_access->info.i_size = 0;
117 p_access->info.i_pos = 0;
118 p_access->info.b_eof = VLC_FALSE;
119 p_access->info.i_title = 0;
120 p_access->info.i_seekpoint = 0;
121 p_access->p_sys = p_sys = malloc( sizeof( access_sys_t ) );
123 p_sys->fd = net_OpenTCP( p_access, psz_dup, atoi( psz_parser ) );
132 /* Update default_pts to a suitable value for udp access */
133 var_Create( p_access, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
138 /*****************************************************************************
139 * Close: free unused data structures
140 *****************************************************************************/
141 static void Close( vlc_object_t *p_this )
143 access_t *p_access = (access_t *)p_this;
144 access_sys_t *p_sys = p_access->p_sys;
146 net_Close( p_sys->fd );
150 /*****************************************************************************
151 * Read: read on a file descriptor, checking b_die periodically
152 *****************************************************************************/
153 static int Read( access_t *p_access, uint8_t *p_buffer, int i_len )
155 access_sys_t *p_sys = p_access->p_sys;
158 if( p_access->info.b_eof )
161 i_read = net_Read( p_access, p_sys->fd, NULL, p_buffer, i_len,
164 p_access->info.b_eof = VLC_TRUE;
165 else if( i_read > 0 )
166 p_access->info.i_pos += i_read;
171 /*****************************************************************************
173 *****************************************************************************/
174 static int Control( access_t *p_access, int i_query, va_list args )
183 case ACCESS_CAN_SEEK:
184 case ACCESS_CAN_FASTSEEK:
185 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
186 *pb_bool = VLC_FALSE;
188 case ACCESS_CAN_PAUSE:
189 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
190 *pb_bool = VLC_TRUE; /* FIXME */
192 case ACCESS_CAN_CONTROL_PACE:
193 pb_bool = (vlc_bool_t*)va_arg( args, vlc_bool_t* );
194 *pb_bool = VLC_TRUE; /* FIXME */
199 pi_int = (int*)va_arg( args, int * );
203 case ACCESS_GET_PTS_DELAY:
204 pi_64 = (int64_t*)va_arg( args, int64_t * );
205 *pi_64 = (int64_t)var_GetInteger( p_access, "tcp-caching" ) * I64C(1000);
209 case ACCESS_SET_PAUSE_STATE:
213 case ACCESS_GET_TITLE_INFO:
214 case ACCESS_SET_TITLE:
215 case ACCESS_SET_SEEKPOINT:
216 case ACCESS_SET_PRIVATE_ID_STATE:
220 msg_Warn( p_access, "unimplemented query in control" );