/*****************************************************************************
* netsync.c: synchronisation between several network clients.
*****************************************************************************
- * Copyright (C) 2004 VideoLAN
+ * Copyright (C) 2004 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
* 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/intf.h>
-#include <vlc/input.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_interface.h>
+#include <vlc_input.h>
+#include <vlc_es_out.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
-#include <sys/types.h>
-
-#ifdef WIN32
-# include <winsock2.h>
-# include <ws2tcpip.h>
-# ifndef IN_MULTICAST
-# define IN_MULTICAST(a) IN_CLASSD(a)
-# endif
-#else
-# include <sys/socket.h>
-# include <netinet/in.h>
-# if HAVE_ARPA_INET_H
-# include <arpa/inet.h>
-# elif defined( SYS_BEOS )
-# include <net/netdb.h>
-# endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
#endif
-
-#ifdef UNDER_CE
-# define close(a) CloseHandle(a);
-#elif defined( WIN32 )
-# define close(a) closesocket(a);
+#ifdef HAVE_POLL
+# include <poll.h>
#endif
-#include "network.h"
+#include <vlc_network.h>
-#define NETSYNC_PORT_MASTER 9875
-#define NETSYNC_PORT_SLAVE 9876
+#define NETSYNC_PORT 9875
-/* Needed for Solaris */
-#ifndef INADDR_NONE
-#define INADDR_NONE 0xffffffff
-#endif
+/* FIXME: UGLY UGLY !! Netsync should be totally reworked */
+#include "../../src/input/input_internal.h"
/*****************************************************************************
* Module descriptor
static mtime_t GetClockRef( intf_thread_t *, mtime_t );
-#define NETSYNC_TEXT N_( "Act as master for network synchronisation" )
-#define NETSYNC_LONGTEXT N_( "Allows you to specify if this client should " \
- "act as the master client for the network synchronisation." )
+/// \bug [String] This string is BAD.
+#define NETSYNC_TEXT N_( "Act as master" )
+#define NETSYNC_LONGTEXT N_( "Should " \
+ "act as the master client for the network synchronisation?" )
+/// \bug [String] This string is BAD.
#define MIP_TEXT N_( "Master client ip address" )
-#define MIP_LONGTEXT N_( "Allows you to specify the ip address of " \
+#define MIP_LONGTEXT N_( "IP address of " \
"the master client used for the network synchronisation." )
-vlc_module_begin();
- set_shortname( _("Netsync"));
- set_description( _("Network synchronisation") );
- set_category( CAT_INTERFACE );
- set_subcategory( SUBCAT_INTERFACE_CONTROL );
+vlc_module_begin ()
+ set_shortname( N_("Network Sync"))
+ set_description( N_("Network synchronisation") )
+ set_category( CAT_ADVANCED )
+ set_subcategory( SUBCAT_ADVANCED_MISC )
add_bool( "netsync-master", 0, NULL,
- NETSYNC_TEXT, NETSYNC_LONGTEXT, VLC_TRUE );
+ NETSYNC_TEXT, NETSYNC_LONGTEXT, true )
add_string( "netsync-master-ip", NULL, NULL, MIP_TEXT, MIP_LONGTEXT,
- VLC_TRUE );
-
- set_capability( "interface", 0 );
- set_callbacks( Activate, Close );
-vlc_module_end();
+ true )
-struct intf_sys_t
-{
- input_thread_t *p_input;
-};
+ set_capability( "interface", 0 )
+ set_callbacks( Activate, Close )
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
static int Activate( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
+ int fd;
- msg_Info( p_intf, "Using the netsync interface module..." );
-
- p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
- if( !p_intf->p_sys )
+ if( config_GetInt( p_intf, "netsync-master" ) <= 0 )
{
- msg_Err( p_intf, "no memory" );
- return VLC_ENOMEM;
+ char *psz_master = config_GetPsz( p_intf, "netsync-master-ip" );
+ if( psz_master == NULL )
+ {
+ msg_Err( p_intf, "master address not specified" );
+ return VLC_EGENERIC;
+ }
+ fd = net_ConnectUDP( VLC_OBJECT(p_intf), psz_master, NETSYNC_PORT, -1 );
+ free( psz_master );
}
+ else
+ fd = net_ListenUDP1( VLC_OBJECT(p_intf), NULL, NETSYNC_PORT );
- p_intf->p_sys->p_input = NULL;
+ if( fd == -1 )
+ {
+ msg_Err( p_intf, "Netsync socket failure" );
+ return VLC_EGENERIC;
+ }
+ p_intf->p_sys = (void *)(intptr_t)fd;
p_intf->pf_run = Run;
return VLC_SUCCESS;
}
{
intf_thread_t *p_intf = (intf_thread_t*)p_this;
- free( p_intf->p_sys );
+ net_Close( (intptr_t)p_intf->p_sys );
}
/*****************************************************************************
{
#define MAX_MSG_LENGTH (2 * sizeof(int64_t))
- vlc_bool_t b_master = config_GetInt( p_intf, "netsync-master" );
- char *psz_master = NULL;
+ input_thread_t *p_input = NULL;
char p_data[MAX_MSG_LENGTH];
int i_socket;
-
- if( !b_master )
- {
- psz_master = config_GetPsz( p_intf, "netsync-master-ip" );
- if( psz_master == NULL )
- {
- msg_Err( p_intf, "master address not specified" );
- return;
- }
- }
-
- i_socket = net_OpenUDP( p_intf, NULL,
- b_master ? NETSYNC_PORT_MASTER : NETSYNC_PORT_SLAVE,
- b_master ? NULL : psz_master,
- b_master ? 0 : NETSYNC_PORT_MASTER );
-
- if( psz_master ) free( psz_master );
-
- if( i_socket < 0 )
- {
- msg_Err( p_intf, "failed opening UDP socket." );
- return;
- }
+ int canc = vlc_savecancel();
/* High priority thread */
vlc_thread_set_priority( p_intf, VLC_THREAD_PRIORITY_INPUT );
- while( !p_intf->b_die )
+ while( vlc_object_alive( p_intf ) )
{
- struct timeval timeout;
- fd_set fds_r;
-
/* Update the input */
- if( p_intf->p_sys->p_input == NULL )
- {
- p_intf->p_sys->p_input =
+ if( p_input == NULL )
+ p_input =
(input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
FIND_ANYWHERE );
- }
- else if( p_intf->p_sys->p_input->b_dead )
+ else if( p_input->b_dead )
{
- vlc_object_release( p_intf->p_sys->p_input );
- p_intf->p_sys->p_input = NULL;
+ vlc_object_release( p_input );
+ p_input = NULL;
}
- if( p_intf->p_sys->p_input == NULL )
+ if( p_input == NULL )
{
/* Wait a bit */
msleep( INTF_IDLE_SLEEP );
*/
/* Initialize file descriptor set and timeout (0.5s) */
- FD_ZERO( &fds_r );
- FD_SET( i_socket, &fds_r );
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
+ /* FIXME: arbitrary tick */
+ struct pollfd ufd = { .fd = i_socket, .events = POLLIN, };
if( b_master )
{
int i_struct_size, i_read, i_ret;
/* Don't block */
- i_ret = select( i_socket + 1, &fds_r, 0, 0, &timeout );
+ i_ret = poll( &ufd, 1, 500 );
if( i_ret == 0 ) continue;
if( i_ret < 0 )
{
/* We received something */
i_struct_size = sizeof( from );
i_read = recvfrom( i_socket, p_data, MAX_MSG_LENGTH, 0,
- (struct sockaddr*)&from, &i_struct_size );
+ (struct sockaddr*)&from,
+ (unsigned int *)&i_struct_size );
i_clockref = ntoh64(*(int64_t *)p_data);
(struct sockaddr *)&from, i_struct_size );
#if 0
- msg_Dbg( p_intf, "Master clockref: "I64Fd" -> "I64Fd", from %s "
- "(date: "I64Fd")", i_clockref, i_master_clockref,
+ msg_Dbg( p_intf, "Master clockref: %"PRId64" -> %"PRId64", from %s "
+ "(date: %"PRId64")", i_clockref, i_master_clockref,
from.ss_family == AF_INET
? inet_ntoa(((struct sockaddr_in *)&from)->sin_addr)
: "non-IPv4", i_date );
}
/* Don't block */
- i_ret = select(i_socket + 1, &fds_r, 0, 0, &timeout);
+ i_ret = poll( &ufd, 1, 500 );
if( i_ret == 0 ) continue;
if( i_ret < 0 )
{
((i_receive_date - i_send_date) / 2 + i_master_date);
i_client_clockref = i_drift = 0;
- if( p_intf->p_sys->p_input && i_master_clockref )
+ if( p_input && i_master_clockref )
{
i_client_clockref = GetClockRef( p_intf, i_clockref );
i_drift = i_client_clockref - i_master_clockref - i_diff_date;
/* Update our clock to match the master's one */
if( i_client_clockref )
- p_intf->p_sys->p_input->i_pts_delay -= i_drift;
+ p_input->i_pts_delay -= i_drift;
}
#if 0
- msg_Dbg( p_intf, "Slave clockref: "I64Fd" -> "I64Fd" -> "I64Fd", "
- "clock diff: "I64Fd" drift: "I64Fd,
- i_clockref, i_master_clockref,
+ msg_Dbg( p_intf, "Slave clockref: %"PRId64" -> %"PRId64" -> %"PRId64", "
+ "clock diff: %"PRId64" drift: %"PRId64,
+ i_clockref, i_master_clockref,
i_client_clockref, i_diff_date, i_drift );
#endif
}
}
- if( p_intf->p_sys->p_input ) vlc_object_release( p_intf->p_sys->p_input );
- net_Close( i_socket );
+ if( p_input ) vlc_object_release( p_input );
+ vlc_restorecancel( canc );
}
static mtime_t GetClockRef( intf_thread_t *p_intf, mtime_t i_pts )
input_thread_t *p_input = p_intf->p_sys->p_input;
mtime_t i_ts;
- if( !p_input || !p_input->p_es_out ) return 0;
+ if( !p_input || !p_input->p->p_es_out ) return 0;
- if( es_out_Control( p_input->p_es_out, ES_OUT_GET_TS, i_pts, &i_ts ) ==
+ if( es_out_Control( p_input->p->p_es_out, ES_OUT_GET_TS, i_pts, &i_ts ) ==
VLC_SUCCESS )
{
return i_ts;