1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/*****************************************************************************
* tcp.c: TCP input module
*****************************************************************************
* Copyright (C) 2003-2004 VLC authors and VideoLAN
* $Id: 3fbf7f26c553461d233b4ab0ae90148d2270ff1e $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_access.h>
#include <vlc_network.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin ()
set_shortname( N_("TCP") )
set_description( N_("TCP input") )
set_category( CAT_INPUT )
set_subcategory( SUBCAT_INPUT_ACCESS )
set_capability( "access", 0 )
add_shortcut( "tcp" )
set_callbacks( Open, Close )
vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
struct access_sys_t
{
int fd;
};
static ssize_t Read( access_t *, uint8_t *, size_t );
static int Control( access_t *, int, va_list );
/*****************************************************************************
* Open: open the socket
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys;
char *psz_dup = strdup(p_access->psz_location);
char *psz_parser = psz_dup;
/* Parse server:port */
if( *psz_parser == '[' )
{
psz_parser = strchr( psz_parser, ']' );
if( psz_parser == NULL )
psz_parser = psz_dup;
}
psz_parser = strchr( psz_parser, ':' );
if( psz_parser == NULL )
{
msg_Err( p_access, "missing port number : %s", psz_dup );
free( psz_dup );
return VLC_EGENERIC;
}
*psz_parser++ = '\0';
/* Init p_access */
access_InitFields( p_access );
ACCESS_SET_CALLBACKS( Read, NULL, Control, NULL );
p_sys = p_access->p_sys = calloc( 1, sizeof( access_sys_t ) );
if( !p_sys )
{
free( psz_dup );
return VLC_ENOMEM;
}
p_sys->fd = net_ConnectTCP( p_access, psz_dup, atoi( psz_parser ) );
free( psz_dup );
if( p_sys->fd < 0 )
{
free( p_sys );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: free unused data structures
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
access_t *p_access = (access_t *)p_this;
access_sys_t *p_sys = p_access->p_sys;
net_Close( p_sys->fd );
free( p_sys );
}
/*****************************************************************************
* Read: read on a file descriptor
*****************************************************************************/
static ssize_t Read( access_t *p_access, uint8_t *p_buffer, size_t i_len )
{
access_sys_t *p_sys = p_access->p_sys;
int i_read;
if( p_access->info.b_eof )
return 0;
i_read = net_Read( p_access, p_sys->fd, NULL, p_buffer, i_len,
false );
if( i_read == 0 )
p_access->info.b_eof = true;
else if( i_read > 0 )
p_access->info.i_pos += i_read;
return i_read;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( access_t *p_access, int i_query, va_list args )
{
bool *pb_bool;
int64_t *pi_64;
switch( i_query )
{
case ACCESS_CAN_SEEK:
case ACCESS_CAN_FASTSEEK:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = false;
break;
case ACCESS_CAN_PAUSE:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = true; /* FIXME */
break;
case ACCESS_CAN_CONTROL_PACE:
pb_bool = (bool*)va_arg( args, bool* );
*pb_bool = true; /* FIXME */
break;
case ACCESS_GET_PTS_DELAY:
pi_64 = (int64_t*)va_arg( args, int64_t * );
*pi_64 = INT64_C(1000)
* var_InheritInteger( p_access, "network-caching" );
break;
case ACCESS_SET_PAUSE_STATE:
/* Nothing to do */
break;
default:
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
|
