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libgnomevfs2-mythtv/modules/mythtv-method.c
author renatofilho
Wed Apr 04 21:53:33 2007 +0100 (2007-04-04)
branchtrunk
changeset 502 aa932d8bf85b
parent 465 997f281ba596
child 507 178207a9cd61
permissions -rwxr-xr-x
[svn r507] 
     1 /*

     2  * @author Hallyson Melo <hallyson.melo@indt.org.br>

     3  *

     4  * This program is free software; you can redistribute it and/or modify

     5  * it under the terms of the GNU Lesser General Public License as published by

     6  * the Free Software Foundation; either version 2 of the License, or

     7  * (at your option) any later version.

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Lesser General Public License

    15  * along with this program; if not, write to the Free Software

    16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    17  */

    18 

    19 #ifdef HAVE_CONFIG_H

    20 #include <config.h>

    21 #endif

    22 

    23 #include <string.h>

    24 #include <glib.h>

    25 #include <glib/gprintf.h>

    26 #include <glib/gstdio.h>

    27 #include <math.h>

    28 

    29 #include <libgnomevfs/gnome-vfs-module.h>

    30 #include <libgnomevfs/gnome-vfs-utils.h>

    31 

    32 #include <gmyth/gmyth_file_transfer.h>

    33 #include <gmyth/gmyth_livetv.h>

    34 #include <gmyth/gmyth_uri.h>

    35 #include <gmyth/gmyth_recorder.h>

    36 #include <gmyth/gmyth_backendinfo.h>

    37 #include <gmyth/gmyth_util.h>

    38 #include <gmyth/gmyth_remote_util.h>

    39 #include <gmyth/gmyth_tvchain.h>

    40 #include <gmyth/gmyth_programinfo.h>

    41 

    42 #define GST_MYTHTV_ID_NUM               1

    43 #define MYTHTV_VERSION_DEFAULT          30

    44 #define MYTHTV_TRANSFER_MAX_WAITS       100

    45 

    46 /* internal GnomeVFS plug-in buffer size ( 120 Kbytes ) */

    47 #define MYTHTV_BUFFER_SIZE                          80*1024

    48 /* internally sized GnomeVFS plug-in buffer ( 4 Kbytes ) */

    49 #define MYTHTV_MAX_VFS_BUFFER_SIZE                  4096

    50 /* maximum number of bytes to be requested to the MythTV backend ( 64 Kbytes ) */

    51 #define MYTHTV_MAX_REQUEST_SIZE                     64*1024

    52 

    53 typedef struct {

    54 	GMythFileTransfer *file_transfer;

    55 	GMythLiveTV *livetv;

    56     GMythBackendInfo *backend_info;

    57     GMythURI *gmyth_uri;

    58     GMythRecorder *live_recorder;

    59     gboolean started;

    60     gint64 offset;

    61 

    62 	gchar *channel_name;

    63 

    64 	gint mythtv_version;

    65 	gboolean configured;

    66 } MythtvHandle;

    67 

    68 

    69 static GnomeVFSResult do_read (GnomeVFSMethod * method,

    70 			       GnomeVFSMethodHandle * method_handle,

    71 			       gpointer buffer,

    72 			       GnomeVFSFileSize num_bytes,

    73 			       GnomeVFSFileSize * bytes_read,

    74 			       GnomeVFSContext * context);

    75 

    76 static GnomeVFSResult   myth_connection_start   (MythtvHandle * method_handle);

    77 static void             myth_destroy_handle     (MythtvHandle * method_handle);

    78 static GnomeVFSResult   myth_handle_new         (GnomeVFSURI * uri,

    79                                                  MythtvHandle ** method_handle);

    80 static GnomeVFSResult   myth_get_file_info      (MythtvHandle * myth_handle,

    81                                                  GnomeVFSURI * uri,

    82                                                  GnomeVFSFileInfo * info);

    83 

    84 static GnomeVFSResult 

    85 myth_handle_new (GnomeVFSURI * uri,

    86                  MythtvHandle ** method_handle)

    87 {   

    88     gchar *tmp_str1;

    89     gchar *tmp_str2;

    90 

    91     _GNOME_VFS_METHOD_PARAM_CHECK (*method_handle == NULL);

    92     

    93 	if (gnome_vfs_uri_get_host_name (uri) == NULL) {

    94 		return GNOME_VFS_ERROR_INVALID_HOST_NAME;

    95 	}

    96 

    97     *method_handle = g_new0 (MythtvHandle, 1);

    98     (*method_handle)->mythtv_version = MYTHTV_VERSION_DEFAULT;

    99         

   100     tmp_str1 = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);

   101     tmp_str2 = gnome_vfs_unescape_string (tmp_str1, "");

   102 

   103     (*method_handle)->backend_info = gmyth_backend_info_new_with_uri (tmp_str2);

   104     (*method_handle)->gmyth_uri = gmyth_uri_new_with_value (tmp_str2);

   105     g_free (tmp_str1);

   106     g_free (tmp_str2);

   107 

   108     return GNOME_VFS_OK;

   109 }   

   110 

   111 static void

   112 myth_destroy_handle (MythtvHandle * method_handle)

   113 {

   114     //TODO: abort if in tranfer state

   115     

   116     if (method_handle->backend_info != NULL) {

   117         g_object_unref (method_handle->backend_info);

   118         method_handle->backend_info = NULL;

   119     }

   120     

   121     if (method_handle->channel_name != NULL) {

   122         g_free (method_handle->channel_name);

   123         method_handle->channel_name = NULL;

   124     }

   125 

   126     if (method_handle->livetv != NULL) {

   127         g_object_unref (method_handle->livetv);

   128         method_handle->livetv = NULL;

   129     }

   130 

   131     if (method_handle->file_transfer != NULL) {

   132         g_object_unref (method_handle->file_transfer);

   133         method_handle->file_transfer = NULL;

   134     }

   135 

   136     if (method_handle->gmyth_uri != NULL) {

   137         g_object_unref (method_handle->gmyth_uri);

   138         method_handle->gmyth_uri = NULL;

   139     }

   140 

   141     g_free (method_handle);

   142 }

   143 

   144 static GnomeVFSResult

   145 myth_get_file_info (MythtvHandle * myth_handle,

   146                     GnomeVFSURI * uri,

   147                     GnomeVFSFileInfo * info)

   148 {

   149     GMythURI *gmyth_uri;

   150     GMythBackendInfo *backend_info;

   151     

   152     _GNOME_VFS_METHOD_PARAM_CHECK (info != NULL);

   153     

   154 

   155     if (myth_handle == NULL) {

   156         gchar *tmp_str1;

   157         gchar *tmp_str2;

   158         

   159         tmp_str1 = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);

   160         tmp_str2 = gnome_vfs_unescape_string (tmp_str1, "");

   161 

   162         backend_info = gmyth_backend_info_new_with_uri (tmp_str2);

   163         gmyth_uri = gmyth_uri_new_with_value (tmp_str2);

   164         

   165         g_free (tmp_str1);

   166         g_free (tmp_str2);

   167     } else {

   168         backend_info = g_object_ref (myth_handle->backend_info);

   169         gmyth_uri = g_object_ref (myth_handle->gmyth_uri);

   170     }

   171 

   172     info->valid_fields = 0;

   173 	info->valid_fields = GNOME_VFS_FILE_INFO_FIELDS_TYPE | 

   174         GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE | 

   175         GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;

   176     

   177 	info->type = GNOME_VFS_FILE_TYPE_REGULAR;

   178     

   179 	/* fixme: get from file extension? */

   180 	info->mime_type = g_strdup ("video/x-nuv");

   181 	info->permissions = GNOME_VFS_PERM_USER_READ | 

   182         GNOME_VFS_PERM_OTHER_READ | 

   183         GNOME_VFS_PERM_GROUP_READ;

   184 

   185    

   186 	info->name = g_strdup (gmyth_uri_get_path (gmyth_uri));

   187 

   188     /* file size for remote files */

   189     if (gmyth_uri_is_livetv (gmyth_uri) == FALSE) {

   190         GMythFileTransfer *file_transfer = gmyth_file_transfer_new (backend_info);

   191         

   192         /* Verifies if the file exists */

   193         if (!gmyth_util_file_exists (backend_info, 

   194                     gmyth_uri_get_path (gmyth_uri))) {

   195             g_object_unref (file_transfer);

   196             g_object_unref (backend_info);

   197             g_debug ("NOT FOUND %s/%d", __FUNCTION__, __LINE__);

   198             return GNOME_VFS_ERROR_NOT_FOUND;

   199 		}

   200 

   201         if (!gmyth_file_transfer_open (file_transfer, gmyth_uri_get_path (gmyth_uri))) {

   202             g_object_unref (file_transfer);

   203             g_object_unref (backend_info);

   204             g_debug ("NOT FOUND %s/%d", __FUNCTION__, __LINE__);

   205             return GNOME_VFS_ERROR_NOT_FOUND;

   206         }

   207 	

   208 		info->size = gmyth_file_transfer_get_filesize (file_transfer);

   209         info->valid_fields |= GNOME_VFS_FILE_INFO_FIELDS_SIZE;

   210 		g_object_unref (file_transfer);

   211 	}

   212 

   213     g_object_unref (backend_info);

   214     g_object_unref (gmyth_uri);

   215     

   216     return GNOME_VFS_OK;

   217 }

   218 

   219 static GnomeVFSResult

   220 myth_connection_start (MythtvHandle * method_handle)

   221 {

   222     GnomeVFSResult result = GNOME_VFS_OK;

   223 

   224     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   225     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle->backend_info != NULL);

   226 

   227 	/* Connect to the backend */

   228 	if (gmyth_uri_is_livetv (method_handle->gmyth_uri) == TRUE) {

   229 		method_handle->livetv = gmyth_livetv_new (method_handle->backend_info);

   230 		method_handle->channel_name = gmyth_uri_get_channel_name (method_handle->gmyth_uri);

   231         

   232 		if (method_handle->channel_name != NULL) {

   233 		    if (gmyth_livetv_channel_name_setup (method_handle->livetv, 

   234                     method_handle->channel_name) == FALSE) {

   235                 result = GNOME_VFS_ERROR_INVALID_URI;

   236     			goto error;

   237 			}

   238 		} else if (gmyth_livetv_setup (method_handle->livetv) == FALSE) {

   239                 result = GNOME_VFS_ERROR_INVALID_URI;

   240                 goto error;

   241 		}

   242         

   243 

   244     	method_handle->file_transfer = 

   245             gmyth_livetv_create_file_transfer (method_handle->livetv);

   246 

   247         if (method_handle->file_transfer == NULL) {

   248             result = GNOME_VFS_ERROR_INVALID_URI;

   249     		g_debug ("MythTV FileTransfer is NULL!\n");

   250             goto error;

   251         }

   252 

   253 	    if (!gmyth_file_transfer_open (method_handle->file_transfer,

   254                                         method_handle->livetv->uri != NULL ? 

   255                                         gmyth_uri_get_path (method_handle->livetv->uri) :

   256                                         method_handle->livetv->proginfo->pathname->str)) {

   257         

   258             g_debug ("Couldn't open MythTV FileTransfer is NULL!\n");

   259             result = GNOME_VFS_ERROR_NOT_OPEN;

   260             goto error;

   261         }

   262     }

   263     else {

   264         method_handle->file_transfer = 

   265             gmyth_file_transfer_new (method_handle->backend_info);

   266 

   267 		/* Verifies if the file exists */

   268 		if (!gmyth_util_file_exists (method_handle->backend_info, 

   269                     gmyth_uri_get_path (method_handle->gmyth_uri))) {

   270 

   271             g_debug ("NOT FOUND %s/%d", __FUNCTION__, __LINE__);

   272             goto error;

   273 		}

   274 

   275 		/* sets the Playback monitor connection */

   276 		if (!gmyth_file_transfer_open (method_handle->file_transfer,

   277                   					    gmyth_uri_get_path (method_handle->gmyth_uri))) {

   278 

   279             g_debug ("NOT FOUND %s/%d", __FUNCTION__, __LINE__);

   280 		    result = GNOME_VFS_ERROR_NOT_FOUND;

   281             goto error;

   282         }

   283 	} /* if - LiveTV or not? */

   284 

   285 	method_handle->configured = TRUE;    

   286 

   287     if (method_handle->file_transfer == NULL) {

   288         result = GNOME_VFS_ERROR_NOT_OPEN;

   289     }

   290 

   291 error:

   292     

   293     return result; 

   294 }

   295 

   296 static GnomeVFSResult

   297 do_open (GnomeVFSMethod * method,

   298 	 GnomeVFSMethodHandle ** method_handle,

   299 	 GnomeVFSURI * uri,

   300 	 GnomeVFSOpenMode mode, GnomeVFSContext * context)

   301 {

   302 	MythtvHandle *myth_handle = NULL;

   303     GnomeVFSResult result = GNOME_VFS_OK;

   304 

   305 	_GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   306 	_GNOME_VFS_METHOD_PARAM_CHECK (uri != NULL);

   307 

   308 	if (mode & GNOME_VFS_OPEN_WRITE) {

   309 		return GNOME_VFS_ERROR_INVALID_OPEN_MODE;

   310 	}

   311 

   312     result = myth_handle_new (uri, &myth_handle);

   313     if (result != GNOME_VFS_OK) 

   314         return result;

   315 

   316     result = myth_connection_start (myth_handle);

   317     if (result != GNOME_VFS_OK) {

   318         myth_destroy_handle (myth_handle);

   319         myth_handle = NULL;

   320         return result;

   321     }

   322 

   323     *method_handle = (GnomeVFSMethodHandle *) myth_handle;

   324     

   325     return result;

   326 }

   327 

   328 static GnomeVFSResult

   329 do_create (GnomeVFSMethod	 *method,

   330 	   GnomeVFSMethodHandle **method_handle,

   331 	   GnomeVFSURI 		 *uri,

   332 	   GnomeVFSOpenMode 	  mode,

   333 	   gboolean 		  exclusive,

   334 	   guint 		  perm,

   335 	   GnomeVFSContext 	 *context)

   336 {

   337     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   338 }

   339 

   340 static GnomeVFSResult

   341 do_close (GnomeVFSMethod * method,

   342         GnomeVFSMethodHandle * method_handle, 

   343         GnomeVFSContext * context)

   344 {

   345 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   346 

   347     myth_destroy_handle (myth_handle);

   348     

   349 	return GNOME_VFS_OK;

   350 }

   351 

   352 

   353 static GnomeVFSResult

   354 do_read (GnomeVFSMethod * method,

   355 	 GnomeVFSMethodHandle * method_handle,

   356 	 gpointer buffer,

   357 	 GnomeVFSFileSize num_bytes,

   358 	 GnomeVFSFileSize * bytes_read, 

   359          GnomeVFSContext * context)

   360 {

   361     GnomeVFSResult retval = GNOME_VFS_OK;

   362     MythtvHandle *myth_handle;

   363     GMythFileTransferReadResult result;

   364     GByteArray *myth_buffer = g_byte_array_new ();

   365 

   366     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   367 

   368     myth_handle = (MythtvHandle *) method_handle;

   369     result = gmyth_file_transfer_read (myth_handle->file_transfer,

   370                               		   myth_buffer,

   371                              		   num_bytes, gmyth_uri_is_livetv (myth_handle->gmyth_uri));

   372 

   373 

   374     if (result == GMYTH_FILE_TRANSFER_READ_ERROR) {

   375         retval = GNOME_VFS_ERROR_IO;

   376     }

   377 

   378     if (result == GMYTH_FILE_TRANSFER_READ_EOF) {

   379         retval = GNOME_VFS_ERROR_EOF;

   380     }

   381 

   382     if (myth_buffer->len > 0) {

   383 	    g_memmove (buffer, myth_buffer->data, myth_buffer->len);

   384         *bytes_read = (GnomeVFSFileSize) myth_buffer->len;

   385         myth_handle->offset += myth_buffer->len;

   386         g_byte_array_free (myth_buffer, TRUE);

   387     } 

   388     

   389 

   390 	return retval;

   391 }

   392 

   393 static GnomeVFSResult

   394 do_write (GnomeVFSMethod 	*method,

   395 	  GnomeVFSMethodHandle  *method_handle,

   396 	  gconstpointer 	 buffer,

   397 	  GnomeVFSFileSize 	 num_bytes,

   398 	  GnomeVFSFileSize 	*bytes_written,

   399 	  GnomeVFSContext 	*context)

   400 {

   401     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   402 }

   403 

   404 static GnomeVFSResult

   405 do_seek (GnomeVFSMethod	      *method,

   406 	 GnomeVFSMethodHandle *method_handle,

   407 	 GnomeVFSSeekPosition  whence,

   408 	 GnomeVFSFileOffset    offset,

   409 	 GnomeVFSContext      *context)

   410 {

   411 	MythtvHandle *myth_handle;

   412     //guint64 whence_p = 0;

   413     //gint64 new_offset =0;

   414 

   415      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   416 

   417      myth_handle = (MythtvHandle *) method_handle;    

   418     

   419     g_debug ("seek offset%"G_GINT64_FORMAT" whence %d", offset, whence);

   420 

   421     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   422     /*

   423     if (gmyth_uri_is_livetv (myth_handle->gmyth_uri))

   424     

   425     switch (whence)

   426     {

   427         case GNOME_VFS_SEEK_START:

   428             whence_p = 0;

   429             break;

   430         case GNOME_VFS_SEEK_CURRENT:

   431             whence_p = myth_handle->offset;

   432             break;

   433         case GNOME_VFS_SEEK_END:

   434             return GNOME_VFS_ERROR_NOT_SUPPORTED;

   435     }

   436     

   437     new_offset = gmyth_file_transfer_seek (myth_handle->file_transfer, offset, whence_p);

   438     if (new_offset != 0) {

   439         myth_handle->offset = new_offset;

   440         return GNOME_VFS_OK;

   441     }

   442 

   443     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   444     */

   445 }

   446 

   447 static GnomeVFSResult

   448 do_tell (GnomeVFSMethod       *method,

   449 	 GnomeVFSMethodHandle *method_handle,

   450 	 GnomeVFSFileSize   *offset_return)

   451 {

   452 	MythtvHandle *myth_handle = NULL;

   453     

   454      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   455      

   456     myth_handle = (MythtvHandle *) method_handle;

   457     *offset_return = myth_handle->offset;

   458 

   459     return GNOME_VFS_OK;

   460 }

   461 

   462 static GnomeVFSResult

   463 do_truncate_handle (GnomeVFSMethod *method,

   464 		    GnomeVFSMethodHandle *method_handle,

   465 		    GnomeVFSFileSize where,

   466 		    GnomeVFSContext *context)

   467 {

   468     return GNOME_VFS_ERROR_READ_ONLY;

   469 }

   470 

   471 static GnomeVFSResult

   472 do_open_directory (GnomeVFSMethod 	    *method,

   473 		   GnomeVFSMethodHandle    **method_handle,

   474 		   GnomeVFSURI 		    *uri,

   475 		   GnomeVFSFileInfoOptions   options,

   476 		   GnomeVFSContext 	    *context) 

   477 {

   478     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   479 }

   480 

   481 static GnomeVFSResult

   482 do_close_directory (GnomeVFSMethod 	 *method,

   483 		    GnomeVFSMethodHandle *method_handle,

   484 		    GnomeVFSContext 	 *context) 

   485 {

   486     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   487 }

   488 

   489 static GnomeVFSResult

   490 do_read_directory (GnomeVFSMethod 	*method,

   491        		   GnomeVFSMethodHandle *method_handle,

   492        		   GnomeVFSFileInfo 	*file_info,

   493 		   GnomeVFSContext 	*context)

   494 {

   495     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   496 }

   497 

   498 

   499 static GnomeVFSResult

   500 do_get_file_info (GnomeVFSMethod * method,

   501 		  GnomeVFSURI * uri,

   502 		  GnomeVFSFileInfo * file_info,

   503 		  GnomeVFSFileInfoOptions options,

   504 		  GnomeVFSContext * context)

   505 {

   506     return myth_get_file_info (NULL, uri, file_info);

   507 }

   508 

   509 static GnomeVFSResult

   510 do_get_file_info_from_handle (GnomeVFSMethod 		*method,

   511             			      GnomeVFSMethodHandle 	*method_handle,

   512 			                  GnomeVFSFileInfo 		*file_info,

   513             			      GnomeVFSFileInfoOptions    options,

   514 			                  GnomeVFSContext 		*context)

   515 {

   516 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   517 

   518     return myth_get_file_info (myth_handle, NULL, file_info);

   519 }

   520 

   521 static gboolean

   522 do_is_local (GnomeVFSMethod * method, const GnomeVFSURI * uri)

   523 {

   524 	return FALSE;

   525 }

   526 

   527 static GnomeVFSResult

   528 do_make_directory (GnomeVFSMethod  *method, 

   529 		            GnomeVFSURI     *uri,

   530                     guint 	    perm, 

   531 		            GnomeVFSContext *context) 

   532 {

   533     return GNOME_VFS_ERROR_READ_ONLY;

   534 }

   535 

   536 static GnomeVFSResult 

   537 do_remove_directory (GnomeVFSMethod  *method, 

   538 		             GnomeVFSURI     *uri, 

   539 		             GnomeVFSContext *context) 

   540 {

   541     return GNOME_VFS_ERROR_READ_ONLY;

   542 }

   543 

   544 static GnomeVFSResult

   545 do_move (GnomeVFSMethod  *method,

   546 	 GnomeVFSURI 	 *old_uri,

   547 	 GnomeVFSURI 	 *new_uri,

   548 	 gboolean         force_replace,

   549 	 GnomeVFSContext *context)

   550 {

   551     return GNOME_VFS_ERROR_READ_ONLY;

   552 }

   553 

   554 static GnomeVFSResult 

   555 do_unlink (GnomeVFSMethod  *method,

   556 	   GnomeVFSURI 	   *uri,

   557 	   GnomeVFSContext *context)

   558 {

   559     return GNOME_VFS_ERROR_READ_ONLY;

   560 }

   561 

   562 static GnomeVFSResult 

   563 do_check_same_fs (GnomeVFSMethod  *method,

   564 		  GnomeVFSURI 	  *a,

   565 		  GnomeVFSURI 	  *b,

   566 		  gboolean 	  *same_fs_return,

   567 		  GnomeVFSContext *context)

   568 {

   569     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   570 }

   571 

   572 static GnomeVFSResult

   573 do_set_file_info (GnomeVFSMethod 		*method,

   574 		  GnomeVFSURI 			*uri,

   575 		  const GnomeVFSFileInfo 	*info,

   576 		  GnomeVFSSetFileInfoMask 	 mask,

   577 		  GnomeVFSContext 		*context)

   578 {

   579     return GNOME_VFS_ERROR_READ_ONLY;

   580 }

   581 

   582 static GnomeVFSResult

   583 do_truncate (GnomeVFSMethod *method,

   584 	     GnomeVFSURI *uri,

   585 	     GnomeVFSFileSize where,

   586 	     GnomeVFSContext *context)

   587 {

   588     return GNOME_VFS_ERROR_READ_ONLY;

   589 }

   590 

   591 static GnomeVFSResult

   592 do_find_directory (GnomeVFSMethod *method,

   593 		   GnomeVFSURI *near_uri,

   594 		   GnomeVFSFindDirectoryKind kind,

   595 		   GnomeVFSURI **result_uri,

   596 		   gboolean create_if_needed,

   597 		   gboolean find_if_needed,

   598 		   guint permissions,

   599 		   GnomeVFSContext *context)

   600 {

   601 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   602 }

   603 

   604 static GnomeVFSResult

   605 do_create_symbolic_link (GnomeVFSMethod *method,

   606 			 GnomeVFSURI *uri,

   607 			 const char *target_reference,

   608 			 GnomeVFSContext *context)

   609 {

   610     return GNOME_VFS_ERROR_READ_ONLY;

   611 }

   612 

   613 static GnomeVFSResult

   614 do_monitor_add (GnomeVFSMethod *method,

   615 		GnomeVFSMethodHandle **method_handle_return,

   616 		GnomeVFSURI *uri,

   617 		GnomeVFSMonitorType monitor_type)

   618 {

   619 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   620 }

   621 

   622 static GnomeVFSResult

   623 do_monitor_cancel (GnomeVFSMethod *method,

   624 		   GnomeVFSMethodHandle *method_handle)

   625 {

   626 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   627 }

   628 

   629 static GnomeVFSResult

   630 do_file_control (GnomeVFSMethod *method,

   631 		 GnomeVFSMethodHandle *method_handle,

   632 		 const char *operation,

   633 		 gpointer operation_data,

   634 		 GnomeVFSContext *context)

   635 {

   636 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   637 }

   638 

   639 static GnomeVFSMethod method = {

   640 	sizeof (GnomeVFSMethod),

   641 	do_open, 

   642 	do_create,

   643 	do_close,

   644 	do_read, 

   645 	do_write,

   646 	do_seek,

   647 	do_tell,

   648 	do_truncate_handle, 

   649 	do_open_directory,

   650 	do_close_directory,

   651 	do_read_directory,

   652 	do_get_file_info,

   653 	do_get_file_info_from_handle,

   654 	do_is_local, 

   655 	do_make_directory, 

   656 	do_remove_directory,

   657 	do_move,

   658 	do_unlink,

   659 	do_check_same_fs,

   660 	do_set_file_info,

   661 	do_truncate, 

   662 	do_find_directory, 

   663 	do_create_symbolic_link,  

   664 	do_monitor_add,  

   665 	do_monitor_cancel,  

   666 	do_file_control 	

   667 };

   668 

   669 

   670 GnomeVFSMethod *

   671 vfs_module_init (const char *method_name, const char *args)

   672 {

   673 	return &method;

   674 }

   675 

   676 void

   677 vfs_module_shutdown (GnomeVFSMethod * method)

   678 {

   679 }
gmyth