3 * Copyright (C) 2002-2003 Ushodaya Enterprises Limited
4 * Author: Dan Dennedy <dan@dennedy.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include <sys/types.h>
37 #include "global_commands.h"
38 #include "raw1394util.h"
39 #include <libavc1394/rom1394.h>
42 static dv_unit g_units[MAX_UNITS];
45 /** Return the dv_unit given a numeric index.
48 dv_unit dv1394d_get_unit( int n )
56 /** Destroy the dv_unit given its numeric index.
59 void dv1394d_delete_unit( int n )
63 dv_unit unit = dv1394d_get_unit(n);
66 dv_unit_close( unit );
68 dv1394d_log( LOG_NOTICE, "Deleted unit U%d.", n );
73 /** Destroy all allocated units on the server.
76 void dv1394d_delete_all_units( void )
79 for (i = 0; i < MAX_UNITS; i++)
80 if ( dv1394d_get_unit(i) != NULL )
82 dv_unit_close( dv1394d_get_unit(i) );
83 dv1394d_log( LOG_NOTICE, "Deleted unit U%d.", i );
87 /** Add a DV virtual vtr to the server.
89 response_codes dv1394d_add_unit( command_argument cmd_arg )
93 char *guid_str = (char*) cmd_arg->argument;
98 sscanf( guid_str, "%08x%08x", &guid_hi, &guid_lo );
99 guid = (octlet_t)guid_hi << 32 | (octlet_t) guid_lo;
101 if ( dv_tokeniser_count( cmd_arg->tokeniser ) == 3 )
102 channel = atoi( dv_tokeniser_get_string( cmd_arg->tokeniser, 2 ) );
104 /* make sure unit does not already exit */
105 for (i = 0; i < MAX_UNITS; i++)
107 if (g_units[i] != NULL)
108 if ( dv_unit_get_guid( g_units[i] ) == guid )
110 dv_response_printf( cmd_arg->response, 1024, "a unit already exists for that node\n\n" );
111 return RESPONSE_ERROR;
115 for (i = 0; i < MAX_UNITS; i++)
117 if (g_units[i] == NULL)
120 g_units[ i ] = dv_unit_init( guid, channel );
121 if ( g_units[ i ] == NULL )
123 dv_response_printf( cmd_arg->response, 1024, "failed to allocate unit\n" );
124 return RESPONSE_ERROR;
126 g_units[ i ]->unit = i;
127 dv_unit_set_notifier( g_units[ i ], dv_parser_get_notifier( cmd_arg->parser ), cmd_arg->root_dir );
129 dv1394d_log( LOG_NOTICE, "added unit %d to send to node %d over channel %d",
130 i, dv_unit_get_nodeid( g_units[i] ), dv_unit_get_channel( g_units[i] ) );
131 dv_response_printf( cmd_arg->response, 10, "U%1d\n\n", i );
132 return RESPONSE_SUCCESS_N;
136 dv_response_printf( cmd_arg->response, 1024, "no more units can be created\n\n" );
138 return RESPONSE_ERROR;
142 /** List all AV/C nodes on the bus.
144 response_codes dv1394d_list_nodes( command_argument cmd_arg )
146 response_codes error = RESPONSE_SUCCESS_N;
147 raw1394handle_t handle;
151 rom1394_directory dir;
153 for ( j = 0; j < raw1394_get_num_ports(); j++ )
155 handle = raw1394_open(j);
156 for ( i = 0; i < raw1394_get_nodecount(handle); ++i )
158 rom1394_get_directory( handle, i, &dir);
159 if ( (rom1394_get_node_type(&dir) == ROM1394_NODE_TYPE_AVC) )
161 guid = rom1394_get_guid(handle, i);
162 if (dir.label != NULL)
164 snprintf( line, 1023, "%02d %08x%08x \"%s\"\n", i,
165 (quadlet_t) (guid>>32), (quadlet_t) (guid & 0xffffffff), dir.label );
167 snprintf( line, 1023, "%02d %08x%08x \"Unlabeled Node %d\"\n", i,
168 (quadlet_t) (guid>>32), (quadlet_t) (guid & 0xffffffff), i );
170 dv_response_write( cmd_arg->response, line, strlen(line) );
171 rom1394_free_directory( &dir);
174 raw1394_close( handle );
176 dv_response_write( cmd_arg->response, "\n", 1 );
181 /** List units already added to server.
183 response_codes dv1394d_list_units( command_argument cmd_arg )
185 response_codes error = RESPONSE_SUCCESS_N;
189 for (i = 0; i < MAX_UNITS; i++)
191 if (dv1394d_get_unit(i) != NULL)
193 snprintf( line, 1023, "U%d %02d %08x%08x %d\n", i, dv_unit_get_nodeid(g_units[i]),
194 (quadlet_t) (dv_unit_get_guid(g_units[i]) >> 32),
195 (quadlet_t) (dv_unit_get_guid(g_units[i]) & 0xffffffff),
196 !dv_unit_is_offline( g_units[i] ) );
197 dv_response_write( cmd_arg->response, line, strlen(line) );
200 dv_response_write( cmd_arg->response, "\n", 1 );
206 filter_files( const struct dirent *de )
208 if ( de->d_name[ 0 ] != '.' )
214 /** List clips in a directory.
216 response_codes dv1394d_list_clips( command_argument cmd_arg )
218 response_codes error = RESPONSE_BAD_FILE;
219 const char *dir_name = (const char*) cmd_arg->argument;
222 struct dirent **de = NULL;
225 snprintf( fullname, 1023, "%s%s", cmd_arg->root_dir, dir_name );
226 dir = opendir( fullname );
230 error = RESPONSE_SUCCESS_N;
231 n = scandir( fullname, &de, filter_files, alphasort );
232 for (i = 0; i < n; i++ )
234 snprintf( fullname, 1023, "%s%s/%s", cmd_arg->root_dir, dir_name, de[i]->d_name );
235 if ( stat( fullname, &info ) == 0 && S_ISDIR( info.st_mode ) )
236 dv_response_printf( cmd_arg->response, 1024, "\"%s/\"\n", de[i]->d_name );
238 for (i = 0; i < n; i++ )
240 snprintf( fullname, 1023, "%s%s/%s", cmd_arg->root_dir, dir_name, de[i]->d_name );
241 if ( lstat( fullname, &info ) == 0 &&
242 ( S_ISREG( info.st_mode ) || ( strstr( fullname, ".clip" ) && info.st_mode | S_IXUSR ) ) )
243 dv_response_printf( cmd_arg->response, 1024, "\"%s\" %llu\n", de[i]->d_name, (unsigned long long) info.st_size );
248 dv_response_write( cmd_arg->response, "\n", 1 );
254 /** Set a server configuration property.
257 response_codes dv1394d_set_global_property( command_argument cmd_arg )
259 char *key = (char*) cmd_arg->argument;
262 value = strchr( key, '=' );
264 return RESPONSE_OUT_OF_RANGE;
267 dv1394d_log( LOG_DEBUG, "SET %s = %s", key, value );
269 if ( strncasecmp( key, "root", 1024) == 0 )
271 int len = strlen(value);
274 /* stop all units and unload clips */
275 for (i = 0; i < MAX_UNITS; i++)
277 if (g_units[i] != NULL)
278 dv_unit_terminate( g_units[i] );
281 /* set the property */
282 strncpy( cmd_arg->root_dir, value, 1023 );
284 /* add a trailing slash if needed */
285 if ( cmd_arg->root_dir[ len - 1 ] != '/')
287 cmd_arg->root_dir[ len ] = '/';
288 cmd_arg->root_dir[ len + 1 ] = '\0';
292 return RESPONSE_OUT_OF_RANGE;
294 return RESPONSE_SUCCESS;
297 /** Get a server configuration property.
300 response_codes dv1394d_get_global_property( command_argument cmd_arg )
302 char *key = (char*) cmd_arg->argument;
304 if ( strncasecmp( key, "root", 1024) == 0 )
306 dv_response_write( cmd_arg->response, cmd_arg->root_dir, strlen(cmd_arg->root_dir) );
307 return RESPONSE_SUCCESS_1;
310 return RESPONSE_OUT_OF_RANGE;
312 return RESPONSE_SUCCESS;
315 /** IEEE 1394 Bus Reset handler
317 This is included here for now due to all the unit management involved.
320 static int reset_handler( raw1394handle_t h, unsigned int generation )
322 int i, j, count, retry = 3;
323 int port = (int) raw1394_get_userdata( h );
325 raw1394_update_generation( h, generation );
326 dv1394d_log( LOG_NOTICE, "bus reset on port %d", port );
328 while ( retry-- > 0 )
330 raw1394handle_t handle = raw1394_open( port );
331 count = raw1394_get_nodecount( handle );
335 dv1394d_log( LOG_DEBUG, "bus reset, checking units" );
337 /* suspend all units on this port */
338 for ( j = MAX_UNITS; j > 0; j-- )
340 if ( g_units[ j-1 ] != NULL && dv_unit_get_port( g_units[ j-1 ] ) == port )
341 dv_unit_suspend( g_units[ j-1 ] );
343 dv1394d_log( LOG_DEBUG, "All units are now stopped" );
345 /* restore units with known guid, take others offline */
346 for ( j = 0; j < MAX_UNITS; j++ )
348 if ( g_units[j] != NULL &&
349 ( dv_unit_get_port( g_units[ j ] ) == port || dv_unit_get_port( g_units[ j ] ) == -1 ) )
352 for ( i = 0; i < count; i++ )
355 dv1394d_log( LOG_DEBUG, "attempting to get guid for node %d", i );
356 guid = rom1394_get_guid( handle, i );
357 if ( guid == g_units[ j ]->guid )
359 dv1394d_log( LOG_NOTICE, "unit with GUID %08x%08x found",
360 (quadlet_t) (g_units[j]->guid>>32), (quadlet_t) (g_units[j]->guid & 0xffffffff));
361 if ( dv_unit_is_offline( g_units[ j ] ) )
362 dv_unit_online( g_units[ j ] );
364 dv_unit_restore( g_units[ j ] );
370 dv_unit_offline( g_units[ j ] );
373 dv1394d_log( LOG_DEBUG, "completed bus reset handler");
374 raw1394_close( handle );
377 raw1394_close( handle );
379 dv1394d_log( LOG_CRIT, "raw1394 reported zero nodes on the bus!" );
384 /** One pthread per IEEE 1394 port
387 static pthread_t raw1394service_thread[4];
389 /** One raw1394 handle for each pthread/port
392 static raw1394handle_t raw1394service_handle[4];
394 /** The service thread that polls raw1394 for new events.
397 static void* raw1394_service( void *arg )
399 raw1394handle_t handle = (raw1394handle_t) arg;
400 struct pollfd raw1394_poll;
401 raw1394_poll.fd = raw1394_get_fd( handle );
402 raw1394_poll.events = POLLIN;
403 raw1394_poll.revents = 0;
406 if ( poll( &raw1394_poll, 1, 200) > 0 )
408 if ( (raw1394_poll.revents & POLLIN)
409 || (raw1394_poll.revents & POLLPRI) )
410 raw1394_loop_iterate( handle );
412 pthread_testcancel();
418 /** Start the raw1394 service threads for handling bus reset.
420 One thread is launched per port on the system.
423 void raw1394_start_service_threads( void )
426 for ( port = 0; port < raw1394_get_num_ports(); port++ )
428 raw1394service_handle[port] = raw1394_open( port );
429 raw1394_set_bus_reset_handler( raw1394service_handle[port], reset_handler );
430 pthread_create( &(raw1394service_thread[port]), NULL, raw1394_service, raw1394service_handle[port] );
432 for ( ; port < 4; port++ )
433 raw1394service_handle[port] = NULL;
436 /** Shutdown all the raw1394 service threads.
439 void raw1394_stop_service_threads( void )
442 for ( i = 0; i < 4; i++ )
444 if ( raw1394service_handle[i] != NULL )
446 pthread_cancel( raw1394service_thread[i] );
447 pthread_join( raw1394service_thread[i], NULL );
448 raw1394_close( raw1394service_handle[i] );