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libgnomevfs2-mythtv/modules/mythtv-method.c
author renatofilho
Tue Mar 27 16:12:15 2007 +0100 (2007-03-27)
branchtrunk
changeset 460 cde4aad8577a
parent 459 edaab488eaeb
child 461 0683ea324deb
permissions -rwxr-xr-x
[svn r465] removed seek imp. 
     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     gint64 offset;

    60 

    61 	gchar *channel_name;

    62 

    63 	gint mythtv_version;

    64 	gboolean configured;

    65 } MythtvHandle;

    66 

    67 

    68 static GnomeVFSResult do_read (GnomeVFSMethod * method,

    69 			       GnomeVFSMethodHandle * method_handle,

    70 			       gpointer buffer,

    71 			       GnomeVFSFileSize num_bytes,

    72 			       GnomeVFSFileSize * bytes_read,

    73 			       GnomeVFSContext * context);

    74 

    75 static GnomeVFSResult   myth_connection_start   (MythtvHandle * method_handle);

    76 static void             myth_destroy_handle     (MythtvHandle * method_handle);

    77 static GnomeVFSResult   myth_handle_new         (GnomeVFSURI * uri,

    78                                                  MythtvHandle ** method_handle);

    79 static GnomeVFSResult   myth_get_file_info      (MythtvHandle * myth_handle,

    80                                                  GnomeVFSURI * uri,

    81                                                  GnomeVFSFileInfo * info);

    82 

    83 static GnomeVFSResult 

    84 myth_handle_new (GnomeVFSURI * uri,

    85                  MythtvHandle ** method_handle)

    86 {   

    87     gchar *tmp_str1;

    88     gchar *tmp_str2;

    89 

    90     _GNOME_VFS_METHOD_PARAM_CHECK (*method_handle == NULL);

    91     

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

    93 		return GNOME_VFS_ERROR_INVALID_HOST_NAME;

    94 	}

    95 

    96     *method_handle = g_new0 (MythtvHandle, 1);

    97     (*method_handle)->mythtv_version = MYTHTV_VERSION_DEFAULT;

    98         

    99     tmp_str1 = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);

   100     tmp_str2 = gnome_vfs_unescape_string (tmp_str1, "");

   101 

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

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

   104     g_free (tmp_str1);

   105     g_free (tmp_str2);

   106 

   107     return GNOME_VFS_OK;

   108 }   

   109 

   110 static void

   111 myth_destroy_handle (MythtvHandle * method_handle)

   112 {

   113     //TODO: abort if in tranfer state

   114     

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

   116         g_object_unref (method_handle->backend_info);

   117         method_handle->backend_info = NULL;

   118     }

   119     

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

   121         g_free (method_handle->channel_name);

   122         method_handle->channel_name = NULL;

   123     }

   124 

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

   126         g_object_unref (method_handle->livetv);

   127         method_handle->livetv = NULL;

   128     }

   129 

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

   131         g_object_unref (method_handle->file_transfer);

   132         method_handle->file_transfer = NULL;

   133     }

   134 

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

   136         g_object_unref (method_handle->gmyth_uri);

   137         method_handle->gmyth_uri = NULL;

   138     }

   139 

   140     g_free (method_handle);

   141 }

   142 

   143 static GnomeVFSResult

   144 myth_get_file_info (MythtvHandle * myth_handle,

   145                     GnomeVFSURI * uri,

   146                     GnomeVFSFileInfo * info)

   147 {

   148     GMythURI *gmyth_uri;

   149     GMythBackendInfo *backend_info;

   150     

   151     _GNOME_VFS_METHOD_PARAM_CHECK (info != NULL);

   152 

   153     if (myth_handle == NULL) {

   154         gchar *tmp_str1;

   155         gchar *tmp_str2;

   156         

   157         tmp_str1 = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);

   158         tmp_str2 = gnome_vfs_unescape_string (tmp_str1, "");

   159 

   160         backend_info = gmyth_backend_info_new_with_uri (tmp_str2);

   161         gmyth_uri = gmyth_uri_new_with_value (tmp_str2);

   162         

   163         g_free (tmp_str1);

   164         g_free (tmp_str2);

   165     } else {

   166         backend_info = g_object_ref (myth_handle->backend_info);

   167         gmyth_uri = g_object_ref (myth_handle->gmyth_uri);

   168     }

   169 

   170     info->valid_fields = 0;

   171 	info->valid_fields = GNOME_VFS_FILE_INFO_FIELDS_TYPE | 

   172         GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE | 

   173         GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;

   174     

   175 	info->type = GNOME_VFS_FILE_TYPE_REGULAR;

   176     

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

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

   179 	info->permissions = GNOME_VFS_PERM_USER_READ | 

   180         GNOME_VFS_PERM_OTHER_READ | 

   181         GNOME_VFS_PERM_GROUP_READ;

   182 

   183    

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

   185 

   186     /* file size for remote files */

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

   188         GMythFileTransfer *file_transfer = gmyth_file_transfer_new (backend_info);

   189         

   190         /* Verifies if the file exists */

   191         if (!gmyth_util_file_exists (backend_info, 

   192                     gmyth_uri_get_path (gmyth_uri))) {

   193             g_object_unref (backend_info);

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

   195             return GNOME_VFS_ERROR_NOT_FOUND;

   196 		}

   197 	

   198 		info->size = gmyth_file_transfer_get_filesize (file_transfer);

   199         info->valid_fields |= GNOME_VFS_FILE_INFO_FIELDS_SIZE;

   200 		g_object_unref (file_transfer);

   201 	}

   202 

   203     g_object_unref (backend_info);

   204     g_object_unref (gmyth_uri);

   205     

   206     return GNOME_VFS_OK;

   207 }

   208 

   209 static GnomeVFSResult

   210 myth_connection_start (MythtvHandle * method_handle)

   211 {

   212     GnomeVFSResult result = GNOME_VFS_OK;

   213 

   214     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

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

   216 

   217     

   218 	/* Connect to the backend */

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

   220         

   221         

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

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

   224         

   225 		g_debug ("[%s] Channel name = %s\n", __FUNCTION__, 

   226                 method_handle->channel_name);

   227         

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

   229 		    if (gmyth_livetv_channel_name_setup (method_handle->livetv, 

   230                     method_handle->channel_name) == FALSE) {

   231                 result = GNOME_VFS_ERROR_INVALID_URI;

   232     			goto error;

   233 			}

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

   235                 result = GNOME_VFS_ERROR_INVALID_URI;

   236                 goto error;

   237 		}

   238         

   239 

   240     	method_handle->file_transfer = 

   241             gmyth_livetv_create_file_transfer (method_handle->livetv);

   242 

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

   244             result = GNOME_VFS_ERROR_INVALID_URI;

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

   246             goto error;

   247         }

   248 

   249 	    if (!gmyth_file_transfer_open (method_handle->file_transfer,

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

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

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

   253         

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

   255             result = GNOME_VFS_ERROR_NOT_OPEN;

   256             goto error;

   257         }

   258     }

   259     else {

   260         method_handle->file_transfer = 

   261             gmyth_file_transfer_new (method_handle->backend_info);

   262 

   263 		/* Verifies if the file exists */

   264 		if (!gmyth_util_file_exists (method_handle->backend_info, 

   265                     gmyth_uri_get_path (method_handle->gmyth_uri))) {

   266 

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

   268 		    result = GNOME_VFS_ERROR_NOT_FOUND;

   269             goto error;

   270 		}

   271 

   272 		/* sets the Playback monitor connection */

   273 		result = gmyth_file_transfer_open (method_handle->file_transfer,

   274                   					    gmyth_uri_get_path (method_handle->gmyth_uri));

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

   276 

   277 	method_handle->configured = TRUE;    

   278 

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

   280         result = GNOME_VFS_ERROR_NOT_OPEN;

   281         goto error;

   282     }

   283 	g_return_val_if_fail (method_handle->file_transfer != NULL, 

   284             GNOME_VFS_ERROR_NOT_OPEN);

   285 

   286 error:

   287     

   288     return result; 

   289 }

   290 

   291 static GnomeVFSResult

   292 do_open (GnomeVFSMethod * method,

   293 	 GnomeVFSMethodHandle ** method_handle,

   294 	 GnomeVFSURI * uri,

   295 	 GnomeVFSOpenMode mode, GnomeVFSContext * context)

   296 {

   297 	MythtvHandle *myth_handle = NULL;

   298     GnomeVFSResult result = GNOME_VFS_OK;

   299 

   300 	_GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   301 	_GNOME_VFS_METHOD_PARAM_CHECK (uri != NULL);

   302 

   303 	if (mode & GNOME_VFS_OPEN_WRITE) {

   304 		return GNOME_VFS_ERROR_INVALID_OPEN_MODE;

   305 	}

   306 

   307     result = myth_handle_new (uri, &myth_handle);

   308     if (result != GNOME_VFS_OK) 

   309         return result;

   310 

   311     result = myth_connection_start (myth_handle);

   312     if (result != GNOME_VFS_OK) {

   313         myth_destroy_handle (myth_handle);

   314         myth_handle = NULL;

   315         return result;

   316     }

   317     *method_handle = (GnomeVFSMethodHandle *) myth_handle;

   318     

   319     return result;

   320 }

   321 

   322 static GnomeVFSResult

   323 do_create (GnomeVFSMethod	 *method,

   324 	   GnomeVFSMethodHandle **method_handle,

   325 	   GnomeVFSURI 		 *uri,

   326 	   GnomeVFSOpenMode 	  mode,

   327 	   gboolean 		  exclusive,

   328 	   guint 		  perm,

   329 	   GnomeVFSContext 	 *context)

   330 {

   331     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   332 }

   333 

   334 static GnomeVFSResult

   335 do_close (GnomeVFSMethod * method,

   336         GnomeVFSMethodHandle * method_handle, 

   337         GnomeVFSContext * context)

   338 {

   339 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   340 

   341     myth_destroy_handle (myth_handle);

   342     

   343 	return GNOME_VFS_OK;

   344 }

   345 

   346 

   347 static GnomeVFSResult

   348 do_read (GnomeVFSMethod * method,

   349 	 GnomeVFSMethodHandle * method_handle,

   350 	 gpointer buffer,

   351 	 GnomeVFSFileSize num_bytes,

   352 	 GnomeVFSFileSize * bytes_read, 

   353          GnomeVFSContext * context)

   354 {

   355     GnomeVFSResult result;

   356     MythtvHandle *myth_handle;

   357     gint64 total_read = 0;

   358     GByteArray *myth_buffer = g_byte_array_new ();

   359 

   360     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   361 

   362     

   363     myth_handle = (MythtvHandle *) method_handle;

   364     result = GNOME_VFS_OK;

   365 

   366     total_read = gmyth_file_transfer_read (myth_handle->file_transfer,

   367                               		   myth_buffer,

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

   369 

   370 

   371     if (total_read == -1) {

   372         result = GNOME_VFS_ERROR_IO;

   373         total_read = 0;

   374     }

   375 

   376     if (total_read < num_bytes) {

   377         result = GNOME_VFS_ERROR_EOF;

   378     }

   379 

   380     if (total_read > 0) {

   381 	g_memmove (buffer, myth_buffer->data, total_read);

   382         g_byte_array_free (myth_buffer, TRUE);

   383         myth_handle->offset += total_read;

   384     } 

   385 

   386     *bytes_read = (GnomeVFSFileSize) total_read;

   387 

   388 	return result;

   389 }

   390 

   391 static GnomeVFSResult

   392 do_write (GnomeVFSMethod 	*method,

   393 	  GnomeVFSMethodHandle  *method_handle,

   394 	  gconstpointer 	 buffer,

   395 	  GnomeVFSFileSize 	 num_bytes,

   396 	  GnomeVFSFileSize 	*bytes_written,

   397 	  GnomeVFSContext 	*context)

   398 {

   399     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   400 }

   401 

   402 static GnomeVFSResult

   403 do_seek (GnomeVFSMethod	      *method,

   404 	 GnomeVFSMethodHandle *method_handle,

   405 	 GnomeVFSSeekPosition  whence,

   406 	 GnomeVFSFileOffset    offset,

   407 	 GnomeVFSContext      *context)

   408 {

   409 	MythtvHandle *myth_handle;

   410     //guint64 whence_p = 0;

   411     //gint64 new_offset =0;

   412 

   413      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   414 

   415      myth_handle = (MythtvHandle *) method_handle;    

   416     

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

   418 

   419     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   420     /*

   421     if (gmyth_uri_is_livetv (myth_handle->gmyth_uri))

   422     

   423     switch (whence)

   424     {

   425         case GNOME_VFS_SEEK_START:

   426             whence_p = 0;

   427             break;

   428         case GNOME_VFS_SEEK_CURRENT:

   429             whence_p = myth_handle->offset;

   430             break;

   431         case GNOME_VFS_SEEK_END:

   432             return GNOME_VFS_ERROR_NOT_SUPPORTED;

   433     }

   434     

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

   436     if (new_offset != 0) {

   437         myth_handle->offset = new_offset;

   438         return GNOME_VFS_OK;

   439     }

   440 

   441     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   442     */

   443 }

   444 

   445 static GnomeVFSResult

   446 do_tell (GnomeVFSMethod       *method,

   447 	 GnomeVFSMethodHandle *method_handle,

   448 	 GnomeVFSFileSize   *offset_return)

   449 {

   450 	MythtvHandle *myth_handle = NULL;

   451     

   452      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   453      

   454     myth_handle = (MythtvHandle *) method_handle;

   455     *offset_return = myth_handle->offset;

   456 

   457     return GNOME_VFS_OK;

   458 }

   459 

   460 static GnomeVFSResult

   461 do_truncate_handle (GnomeVFSMethod *method,

   462 		    GnomeVFSMethodHandle *method_handle,

   463 		    GnomeVFSFileSize where,

   464 		    GnomeVFSContext *context)

   465 {

   466     return GNOME_VFS_ERROR_READ_ONLY;

   467 }

   468 

   469 static GnomeVFSResult

   470 do_open_directory (GnomeVFSMethod 	    *method,

   471 		   GnomeVFSMethodHandle    **method_handle,

   472 		   GnomeVFSURI 		    *uri,

   473 		   GnomeVFSFileInfoOptions   options,

   474 		   GnomeVFSContext 	    *context) 

   475 {

   476     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   477 }

   478 

   479 static GnomeVFSResult

   480 do_close_directory (GnomeVFSMethod 	 *method,

   481 		    GnomeVFSMethodHandle *method_handle,

   482 		    GnomeVFSContext 	 *context) 

   483 {

   484     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   485 }

   486 

   487 static GnomeVFSResult

   488 do_read_directory (GnomeVFSMethod 	*method,

   489        		   GnomeVFSMethodHandle *method_handle,

   490        		   GnomeVFSFileInfo 	*file_info,

   491 		   GnomeVFSContext 	*context)

   492 {

   493     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   494 }

   495 

   496 

   497 static GnomeVFSResult

   498 do_get_file_info (GnomeVFSMethod * method,

   499 		  GnomeVFSURI * uri,

   500 		  GnomeVFSFileInfo * file_info,

   501 		  GnomeVFSFileInfoOptions options,

   502 		  GnomeVFSContext * context)

   503 {

   504     return myth_get_file_info (NULL, uri, file_info);

   505 }

   506 

   507 static GnomeVFSResult

   508 do_get_file_info_from_handle (GnomeVFSMethod 		*method,

   509             			      GnomeVFSMethodHandle 	*method_handle,

   510 			                  GnomeVFSFileInfo 		*file_info,

   511             			      GnomeVFSFileInfoOptions    options,

   512 			                  GnomeVFSContext 		*context)

   513 {

   514 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   515 

   516     return myth_get_file_info (myth_handle, NULL, file_info);

   517 }

   518 

   519 static gboolean

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

   521 {

   522 	return FALSE;

   523 }

   524 

   525 static GnomeVFSResult

   526 do_make_directory (GnomeVFSMethod  *method, 

   527 		            GnomeVFSURI     *uri,

   528                     guint 	    perm, 

   529 		            GnomeVFSContext *context) 

   530 {

   531     return GNOME_VFS_ERROR_READ_ONLY;

   532 }

   533 

   534 static GnomeVFSResult 

   535 do_remove_directory (GnomeVFSMethod  *method, 

   536 		             GnomeVFSURI     *uri, 

   537 		             GnomeVFSContext *context) 

   538 {

   539     return GNOME_VFS_ERROR_READ_ONLY;

   540 }

   541 

   542 static GnomeVFSResult

   543 do_move (GnomeVFSMethod  *method,

   544 	 GnomeVFSURI 	 *old_uri,

   545 	 GnomeVFSURI 	 *new_uri,

   546 	 gboolean         force_replace,

   547 	 GnomeVFSContext *context)

   548 {

   549     return GNOME_VFS_ERROR_READ_ONLY;

   550 }

   551 

   552 static GnomeVFSResult 

   553 do_unlink (GnomeVFSMethod  *method,

   554 	   GnomeVFSURI 	   *uri,

   555 	   GnomeVFSContext *context)

   556 {

   557     return GNOME_VFS_ERROR_READ_ONLY;

   558 }

   559 

   560 static GnomeVFSResult 

   561 do_check_same_fs (GnomeVFSMethod  *method,

   562 		  GnomeVFSURI 	  *a,

   563 		  GnomeVFSURI 	  *b,

   564 		  gboolean 	  *same_fs_return,

   565 		  GnomeVFSContext *context)

   566 {

   567     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   568 }

   569 

   570 static GnomeVFSResult

   571 do_set_file_info (GnomeVFSMethod 		*method,

   572 		  GnomeVFSURI 			*uri,

   573 		  const GnomeVFSFileInfo 	*info,

   574 		  GnomeVFSSetFileInfoMask 	 mask,

   575 		  GnomeVFSContext 		*context)

   576 {

   577     return GNOME_VFS_ERROR_READ_ONLY;

   578 }

   579 

   580 static GnomeVFSResult

   581 do_truncate (GnomeVFSMethod *method,

   582 	     GnomeVFSURI *uri,

   583 	     GnomeVFSFileSize where,

   584 	     GnomeVFSContext *context)

   585 {

   586     return GNOME_VFS_ERROR_READ_ONLY;

   587 }

   588 

   589 static GnomeVFSResult

   590 do_find_directory (GnomeVFSMethod *method,

   591 		   GnomeVFSURI *near_uri,

   592 		   GnomeVFSFindDirectoryKind kind,

   593 		   GnomeVFSURI **result_uri,

   594 		   gboolean create_if_needed,

   595 		   gboolean find_if_needed,

   596 		   guint permissions,

   597 		   GnomeVFSContext *context)

   598 {

   599 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   600 }

   601 

   602 static GnomeVFSResult

   603 do_create_symbolic_link (GnomeVFSMethod *method,

   604 			 GnomeVFSURI *uri,

   605 			 const char *target_reference,

   606 			 GnomeVFSContext *context)

   607 {

   608     return GNOME_VFS_ERROR_READ_ONLY;

   609 }

   610 

   611 static GnomeVFSResult

   612 do_monitor_add (GnomeVFSMethod *method,

   613 		GnomeVFSMethodHandle **method_handle_return,

   614 		GnomeVFSURI *uri,

   615 		GnomeVFSMonitorType monitor_type)

   616 {

   617 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   618 }

   619 

   620 static GnomeVFSResult

   621 do_monitor_cancel (GnomeVFSMethod *method,

   622 		   GnomeVFSMethodHandle *method_handle)

   623 {

   624 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   625 }

   626 

   627 static GnomeVFSResult

   628 do_file_control (GnomeVFSMethod *method,

   629 		 GnomeVFSMethodHandle *method_handle,

   630 		 const char *operation,

   631 		 gpointer operation_data,

   632 		 GnomeVFSContext *context)

   633 {

   634 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   635 }

   636 

   637 static GnomeVFSMethod method = {

   638 	sizeof (GnomeVFSMethod),

   639 	do_open, 

   640 	do_create,

   641 	do_close,

   642 	do_read, 

   643 	do_write,

   644 	do_seek,

   645 	do_tell,

   646 	do_truncate_handle, 

   647 	do_open_directory,

   648 	do_close_directory,

   649 	do_read_directory,

   650 	do_get_file_info,

   651 	do_get_file_info_from_handle,

   652 	do_is_local, 

   653 	do_make_directory, 

   654 	do_remove_directory,

   655 	do_move,

   656 	do_unlink,

   657 	do_check_same_fs,

   658 	do_set_file_info,

   659 	do_truncate, 

   660 	do_find_directory, 

   661 	do_create_symbolic_link,  

   662 	do_monitor_add,  

   663 	do_monitor_cancel,  

   664 	do_file_control 	

   665 };

   666 

   667 

   668 GnomeVFSMethod *

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

   670 {

   671 	return &method;

   672 }

   673 

   674 void

   675 vfs_module_shutdown (GnomeVFSMethod * method)

   676 {

   677 }
gmyth