1 /*****************************************************************************
2 * tcp.c: TCP input module
3 *****************************************************************************
4 * Copyright (C) 2003-2004 the VideoLAN team
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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
33 #include <vlc_access.h>
35 #include <vlc_network.h>
37 /*****************************************************************************
39 *****************************************************************************/
40 #define CACHING_TEXT N_("Caching value in ms")
41 #define CACHING_LONGTEXT N_( \
42 "Caching value for TCP streams. This " \
43 "value should be set in milliseconds." )
45 static int Open ( vlc_object_t * );
46 static void Close( vlc_object_t * );
49 set_shortname( _("TCP") );
50 set_description( _("TCP input") );
51 set_category( CAT_INPUT );
52 set_subcategory( SUBCAT_INPUT_ACCESS );
54 add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
55 CACHING_LONGTEXT, true );
57 set_capability( "access2", 0 );
58 add_shortcut( "tcp" );
59 set_callbacks( Open, Close );
62 /*****************************************************************************
64 *****************************************************************************/
71 static ssize_t Read( access_t *, uint8_t *, size_t );
72 static int Control( access_t *, int, va_list );
74 /*****************************************************************************
75 * Open: open the socket
76 *****************************************************************************/
77 static int Open( vlc_object_t *p_this )
79 access_t *p_access = (access_t *)p_this;
82 char *psz_dup = strdup(p_access->psz_path);
83 char *psz_parser = psz_dup;
85 /* Parse server:port */
86 if( *psz_parser == '[' )
88 psz_parser = strchr( psz_parser, ']' );
89 if( psz_parser == NULL )
92 psz_parser = strchr( psz_parser, ':' );
94 if( psz_parser == NULL )
96 msg_Err( p_access, "missing port number : %s", psz_dup );
101 *psz_parser++ = '\0';
104 access_InitFields( p_access ); \
105 ACCESS_SET_CALLBACKS( Read, NULL, Control, NULL ); \
106 MALLOC_ERR( p_access->p_sys, access_sys_t ); \
107 p_sys = p_access->p_sys; memset( p_sys, 0, sizeof( access_sys_t ) );
109 p_sys->fd = net_ConnectTCP( p_access, psz_dup, atoi( psz_parser ) );
118 /* Update default_pts to a suitable value for udp access */
119 var_Create( p_access, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
124 /*****************************************************************************
125 * Close: free unused data structures
126 *****************************************************************************/
127 static void Close( vlc_object_t *p_this )
129 access_t *p_access = (access_t *)p_this;
130 access_sys_t *p_sys = p_access->p_sys;
132 net_Close( p_sys->fd );
136 /*****************************************************************************
137 * Read: read on a file descriptor, checking b_die periodically
138 *****************************************************************************/
139 static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
141 access_sys_t *p_sys = p_access->p_sys;
144 if( p_access->info.b_eof )
147 i_read = net_Read( p_access, p_sys->fd, NULL, p_buffer, i_len,
150 p_access->info.b_eof = true;
151 else if( i_read > 0 )
152 p_access->info.i_pos += i_read;
157 /*****************************************************************************
159 *****************************************************************************/
160 static int Control( access_t *p_access, int i_query, va_list args )
169 case ACCESS_CAN_SEEK:
170 case ACCESS_CAN_FASTSEEK:
171 pb_bool = (bool*)va_arg( args, bool* );
174 case ACCESS_CAN_PAUSE:
175 pb_bool = (bool*)va_arg( args, bool* );
176 *pb_bool = true; /* FIXME */
178 case ACCESS_CAN_CONTROL_PACE:
179 pb_bool = (bool*)va_arg( args, bool* );
180 *pb_bool = true; /* FIXME */
185 pi_int = (int*)va_arg( args, int * );
189 case ACCESS_GET_PTS_DELAY:
190 pi_64 = (int64_t*)va_arg( args, int64_t * );
191 *pi_64 = (int64_t)var_GetInteger( p_access, "tcp-caching" ) * I64C(1000);
195 case ACCESS_SET_PAUSE_STATE:
199 case ACCESS_GET_TITLE_INFO:
200 case ACCESS_SET_TITLE:
201 case ACCESS_SET_SEEKPOINT:
202 case ACCESS_SET_PRIVATE_ID_STATE:
203 case ACCESS_GET_CONTENT_TYPE:
207 msg_Warn( p_access, "unimplemented query in control" );