/*****************************************************************************
- * tcp.c: TCP access plug-in
+ * tcp.c: TCP input module
*****************************************************************************
- * Copyright (C) 2003 VideoLAN
- * $Id: tcp.c,v 1.2 2003/12/04 16:49:43 sam Exp $
+ * Copyright (C) 2003-2004 the VideoLAN team
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h>
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-
-#include <sys/stat.h>
-#include <errno.h>
-#include <fcntl.h>
-
-#ifdef HAVE_SYS_TIME_H
-# include <sys/time.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
#endif
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef WIN32
-# include <winsock2.h>
-# include <ws2tcpip.h>
-# ifndef IN_MULTICAST
-# define IN_MULTICAST(a) IN_CLASSD(a)
-# endif
-#else
-# include <sys/socket.h>
-#endif
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_access.h>
-#include "network.h"
+#include <vlc_network.h>
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-#define CACHING_TEXT N_("caching value in ms")
+#define CACHING_TEXT N_("Caching value in ms")
#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for udp streams. This " \
- "value should be set in miliseconds units." )
+ "Caching value for TCP streams. This " \
+ "value should be set in milliseconds." )
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
-vlc_module_begin();
- set_description( _("TCP input") );
- add_category_hint( N_("TCP"), NULL , VLC_TRUE );
- add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- set_capability( "access", 0 );
- add_shortcut( "tcp" );
- add_shortcut( "tcp4" );
- add_shortcut( "tcp6" );
- set_callbacks( Open, Close );
-vlc_module_end();
+vlc_module_begin ()
+ set_shortname( N_("TCP") )
+ set_description( N_("TCP input") )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_ACCESS )
+ add_integer( "tcp-caching", DEFAULT_PTS_DELAY / 1000, NULL, CACHING_TEXT,
+ CACHING_LONGTEXT, true )
+ change_safe()
+
+ set_capability( "access", 0 )
+ add_shortcut( "tcp" )
+ set_callbacks( Open, Close )
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
*****************************************************************************/
struct access_sys_t
{
- int fd;
+ int fd;
};
-static ssize_t Read ( input_thread_t *, byte_t *, size_t );
+
+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 )
{
- input_thread_t *p_input = (input_thread_t *)p_this;
- access_sys_t *p_sys;
-
- char *psz_network;
- char *psz_dup = strdup(p_input->psz_name);
- char *psz_parser = psz_dup;
+ access_t *p_access = (access_t *)p_this;
+ access_sys_t *p_sys;
- network_socket_t sock;
- module_t *p_network;
-
- vlc_value_t val;
-
- /* Select ip version */
- psz_network = "";
- if( config_GetInt( p_input, "ipv4" ) )
- {
- psz_network = "ipv4";
- }
- if( config_GetInt( p_input, "ipv6" ) )
- {
- psz_network = "ipv6";
- }
- if( *p_input->psz_access )
- {
- /* Find out which shortcut was used */
- if( !strncmp( p_input->psz_access, "tcp6", 5 ) )
- {
- psz_network = "ipv6";
- }
- else if( !strncmp( p_input->psz_access, "tcp4", 5 ) )
- {
- psz_network = "ipv4";
- }
- }
+ char *psz_dup = strdup(p_access->psz_location);
+ char *psz_parser = psz_dup;
/* Parse server:port */
- while( *psz_parser && *psz_parser != ':' )
+ if( *psz_parser == '[' )
{
- if( *psz_parser == '[' )
- {
- /* IPV6 */
- while( *psz_parser && *psz_parser != ']' )
- {
- psz_parser++;
- }
- }
- psz_parser++;
+ psz_parser = strchr( psz_parser, ']' );
+ if( psz_parser == NULL )
+ psz_parser = psz_dup;
}
+ psz_parser = strchr( psz_parser, ':' );
- if( *psz_parser != ':' || psz_parser == psz_dup )
+ if( psz_parser == NULL )
{
- msg_Err( p_input, "you have to provide server:port addresse" );
+ msg_Err( p_access, "missing port number : %s", psz_dup );
free( psz_dup );
return VLC_EGENERIC;
}
*psz_parser++ = '\0';
- /* Prepare the network_socket_t structure */
- sock.i_type = NETWORK_TCP;
- sock.psz_bind_addr = "";
- sock.i_bind_port = 0;
- sock.psz_server_addr = psz_dup;
- sock.i_server_port = atoi( psz_parser );
- sock.i_ttl = 0;
-
- if( sock.i_server_port <= 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 )
{
- msg_Err( p_input, "invalid port number (%d)", sock.i_server_port );
free( psz_dup );
- return VLC_EGENERIC;
+ return VLC_ENOMEM;
}
- /* connecting */
- msg_Dbg( p_input, "opening server=%s:%d",
- sock.psz_server_addr, sock.i_server_port );
- p_input->p_private = (void*)&sock;
- p_network = module_Need( p_input, "network", psz_network );
+ p_sys->fd = net_ConnectTCP( p_access, psz_dup, atoi( psz_parser ) );
free( psz_dup );
- if( p_network == NULL )
+
+ if( p_sys->fd < 0 )
{
+ free( p_sys );
return VLC_EGENERIC;
}
- module_Unneed( p_input, p_network );
-
- p_input->p_access_data = p_sys = malloc( sizeof( access_sys_t ) );
- p_sys->fd = sock.i_handle;
-
- p_input->pf_read = Read;
- p_input->pf_set_program = input_SetProgram;
- p_input->pf_set_area = NULL;
- p_input->pf_seek = NULL;
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- p_input->stream.b_pace_control = VLC_TRUE; /* FIXME ? */
- p_input->stream.b_seekable = 0;
- p_input->stream.p_selected_area->i_tell = 0;
- p_input->stream.i_method = INPUT_METHOD_NETWORK;
- p_input->i_mtu = 0;
- vlc_mutex_unlock( &p_input->stream.stream_lock );
/* Update default_pts to a suitable value for udp access */
- var_Create( p_input, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
- var_Get( p_input, "tcp-caching", &val );
- p_input->i_pts_delay = val.i_int * 1000;
+ var_Create( p_access, "tcp-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
return VLC_SUCCESS;
}
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
- input_thread_t *p_input = (input_thread_t *)p_this;
- access_sys_t *p_sys = p_input->p_access_data;
+ access_t *p_access = (access_t *)p_this;
+ access_sys_t *p_sys = p_access->p_sys;
- msg_Info( p_input, "closing TCP target `%s'", p_input->psz_source );
+ net_Close( p_sys->fd );
+ free( p_sys );
+}
-#ifdef UNDER_CE
- CloseHandle( (HANDLE)p_sys->fd );
-#elif defined( WIN32 )
- closesocket( p_sys->fd );
-#else
- close( p_sys->fd );
-#endif
+/*****************************************************************************
+ * 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;
- free( p_sys );
+ 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;
}
/*****************************************************************************
- * Read: read on a file descriptor, checking b_die periodically
+ * Control:
*****************************************************************************/
-static ssize_t Read( input_thread_t * p_input, byte_t * p_buffer, size_t i_len )
+static int Control( access_t *p_access, int i_query, va_list args )
{
-#ifdef UNDER_CE
- return -1;
-#else
- access_sys_t *p_sys = p_input->p_access_data;
- struct timeval timeout;
- fd_set fds;
- ssize_t i_recv;
- int i_ret;
-
- do
- {
- if( p_input->b_die || p_input->b_error )
- {
- return 0;
- }
-
- /* Initialize file descriptor set */
- FD_ZERO( &fds );
- FD_SET( p_sys->fd, &fds );
-
- /* We'll wait 0.5 second if nothing happens */
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
- } while( ( i_ret = select( p_sys->fd + 1, &fds, NULL, NULL, &timeout )) == 0 ||
- ( i_ret < 0 && errno == EINTR ) );
-
- if( i_ret < 0 )
- {
- msg_Err( p_input, "network select error (%s)", strerror(errno) );
- return -1;
- }
+ bool *pb_bool;
+ int64_t *pi_64;
- if( ( i_recv = recv( p_sys->fd, p_buffer, i_len, 0 ) ) < 0 )
+ switch( i_query )
{
- msg_Err( p_input, "recv failed (%s)", strerror(errno) );
+ /* */
+ 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 = var_GetInteger( p_access, "tcp-caching" ) * INT64_C(1000);
+ break;
+
+ /* */
+ case ACCESS_SET_PAUSE_STATE:
+ /* Nothing to do */
+ break;
+
+ case ACCESS_GET_TITLE_INFO:
+ case ACCESS_SET_TITLE:
+ case ACCESS_SET_SEEKPOINT:
+ case ACCESS_SET_PRIVATE_ID_STATE:
+ case ACCESS_GET_CONTENT_TYPE:
+ return VLC_EGENERIC;
+
+ default:
+ msg_Warn( p_access, "unimplemented query in control" );
+ return VLC_EGENERIC;
+
}
- return i_recv;
-#endif
+ return VLC_SUCCESS;
}
-
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