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libgnomevfs2-mythtv/modules/mythtv-method.c
author rosfran
Wed Apr 04 16:12:16 2007 +0100 (2007-04-04)
branchtrunk
changeset 493 32148e79242d
parent 461 0683ea324deb
child 502 aa932d8bf85b
permissions -rwxr-xr-x
[svn r498] Added function to get the current frame rate. 
     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 

   154     if (myth_handle == NULL) {

   155         gchar *tmp_str1;

   156         gchar *tmp_str2;

   157         

   158         tmp_str1 = gnome_vfs_uri_to_string (uri, GNOME_VFS_URI_HIDE_NONE);

   159         tmp_str2 = gnome_vfs_unescape_string (tmp_str1, "");

   160 

   161         backend_info = gmyth_backend_info_new_with_uri (tmp_str2);

   162         gmyth_uri = gmyth_uri_new_with_value (tmp_str2);

   163         

   164         g_free (tmp_str1);

   165         g_free (tmp_str2);

   166     } else {

   167         backend_info = g_object_ref (myth_handle->backend_info);

   168         gmyth_uri = g_object_ref (myth_handle->gmyth_uri);

   169     }

   170 

   171     info->valid_fields = 0;

   172 	info->valid_fields = GNOME_VFS_FILE_INFO_FIELDS_TYPE | 

   173         GNOME_VFS_FILE_INFO_FIELDS_MIME_TYPE | 

   174         GNOME_VFS_FILE_INFO_FIELDS_PERMISSIONS;

   175     

   176 	info->type = GNOME_VFS_FILE_TYPE_REGULAR;

   177     

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

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

   180 	info->permissions = GNOME_VFS_PERM_USER_READ | 

   181         GNOME_VFS_PERM_OTHER_READ | 

   182         GNOME_VFS_PERM_GROUP_READ;

   183 

   184    

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

   186 

   187     /* file size for remote files */

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

   189         GMythFileTransfer *file_transfer = gmyth_file_transfer_new (backend_info);

   190         

   191         /* Verifies if the file exists */

   192         if (!gmyth_util_file_exists (backend_info, 

   193                     gmyth_uri_get_path (gmyth_uri))) {

   194             g_object_unref (file_transfer);

   195             g_object_unref (backend_info);

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

   197             return GNOME_VFS_ERROR_NOT_FOUND;

   198 		}

   199 

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

   201             g_object_unref (file_transfer);

   202             g_object_unref (backend_info);

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

   204             return GNOME_VFS_ERROR_NOT_FOUND;

   205         }

   206 	

   207 		info->size = gmyth_file_transfer_get_filesize (file_transfer);

   208         info->valid_fields |= GNOME_VFS_FILE_INFO_FIELDS_SIZE;

   209 		g_object_unref (file_transfer);

   210 	}

   211 

   212     g_object_unref (backend_info);

   213     g_object_unref (gmyth_uri);

   214     

   215     return GNOME_VFS_OK;

   216 }

   217 

   218 static GnomeVFSResult

   219 myth_connection_start (MythtvHandle * method_handle)

   220 {

   221     GnomeVFSResult result = GNOME_VFS_OK;

   222 

   223     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

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

   225 

   226 	/* Connect to the backend */

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

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

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

   230         

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

   232 		    if (gmyth_livetv_channel_name_setup (method_handle->livetv, 

   233                     method_handle->channel_name) == FALSE) {

   234                 result = GNOME_VFS_ERROR_INVALID_URI;

   235     			goto error;

   236 			}

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

   238                 result = GNOME_VFS_ERROR_INVALID_URI;

   239                 goto error;

   240 		}

   241         

   242 

   243     	method_handle->file_transfer = 

   244             gmyth_livetv_create_file_transfer (method_handle->livetv);

   245 

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

   247             result = GNOME_VFS_ERROR_INVALID_URI;

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

   249             goto error;

   250         }

   251 

   252 	    if (!gmyth_file_transfer_open (method_handle->file_transfer,

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

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

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

   256         

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

   258             result = GNOME_VFS_ERROR_NOT_OPEN;

   259             goto error;

   260         }

   261     }

   262     else {

   263         method_handle->file_transfer = 

   264             gmyth_file_transfer_new (method_handle->backend_info);

   265 

   266 		/* Verifies if the file exists */

   267 		if (!gmyth_util_file_exists (method_handle->backend_info, 

   268                     gmyth_uri_get_path (method_handle->gmyth_uri))) {

   269 

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

   271             goto error;

   272 		}

   273 

   274 		/* sets the Playback monitor connection */

   275 		if (!gmyth_file_transfer_open (method_handle->file_transfer,

   276                   					    gmyth_uri_get_path (method_handle->gmyth_uri))) {

   277 

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

   279 		    result = GNOME_VFS_ERROR_NOT_FOUND;

   280             goto error;

   281         }

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

   283 

   284 	method_handle->configured = TRUE;    

   285 

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

   287         result = GNOME_VFS_ERROR_NOT_OPEN;

   288     }

   289 

   290 error:

   291     

   292     return result; 

   293 }

   294 

   295 static GnomeVFSResult

   296 do_open (GnomeVFSMethod * method,

   297 	 GnomeVFSMethodHandle ** method_handle,

   298 	 GnomeVFSURI * uri,

   299 	 GnomeVFSOpenMode mode, GnomeVFSContext * context)

   300 {

   301 	MythtvHandle *myth_handle = NULL;

   302     GnomeVFSResult result = GNOME_VFS_OK;

   303 

   304 	_GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   305 	_GNOME_VFS_METHOD_PARAM_CHECK (uri != NULL);

   306 

   307 	if (mode & GNOME_VFS_OPEN_WRITE) {

   308 		return GNOME_VFS_ERROR_INVALID_OPEN_MODE;

   309 	}

   310 

   311     result = myth_handle_new (uri, &myth_handle);

   312     if (result != GNOME_VFS_OK) 

   313         return result;

   314 

   315     result = myth_connection_start (myth_handle);

   316     if (result != GNOME_VFS_OK) {

   317         myth_destroy_handle (myth_handle);

   318         myth_handle = NULL;

   319         return result;

   320     }

   321 

   322     *method_handle = (GnomeVFSMethodHandle *) myth_handle;

   323     

   324     return result;

   325 }

   326 

   327 static GnomeVFSResult

   328 do_create (GnomeVFSMethod	 *method,

   329 	   GnomeVFSMethodHandle **method_handle,

   330 	   GnomeVFSURI 		 *uri,

   331 	   GnomeVFSOpenMode 	  mode,

   332 	   gboolean 		  exclusive,

   333 	   guint 		  perm,

   334 	   GnomeVFSContext 	 *context)

   335 {

   336     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   337 }

   338 

   339 static GnomeVFSResult

   340 do_close (GnomeVFSMethod * method,

   341         GnomeVFSMethodHandle * method_handle, 

   342         GnomeVFSContext * context)

   343 {

   344 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   345 

   346     myth_destroy_handle (myth_handle);

   347     

   348 	return GNOME_VFS_OK;

   349 }

   350 

   351 

   352 static GnomeVFSResult

   353 do_read (GnomeVFSMethod * method,

   354 	 GnomeVFSMethodHandle * method_handle,

   355 	 gpointer buffer,

   356 	 GnomeVFSFileSize num_bytes,

   357 	 GnomeVFSFileSize * bytes_read, 

   358          GnomeVFSContext * context)

   359 {

   360     GnomeVFSResult result;

   361     MythtvHandle *myth_handle;

   362     gint64 total_read = 0;

   363     GByteArray *myth_buffer = g_byte_array_new ();

   364 

   365     _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   366 

   367     myth_handle = (MythtvHandle *) method_handle;

   368     result = GNOME_VFS_OK;

   369 

   370     total_read = gmyth_file_transfer_read (myth_handle->file_transfer,

   371                               		   myth_buffer,

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

   373 

   374 

   375     if (total_read == -1) {

   376         result = GNOME_VFS_ERROR_IO;

   377         total_read = 0;

   378     }

   379 

   380     if (total_read < num_bytes) {

   381         result = GNOME_VFS_ERROR_EOF;

   382     }

   383 

   384     if (total_read > 0) {

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

   386         g_byte_array_free (myth_buffer, TRUE);

   387         myth_handle->offset += total_read;

   388     } 

   389     

   390     *bytes_read = (GnomeVFSFileSize) total_read;

   391 

   392 	return result;

   393 }

   394 

   395 static GnomeVFSResult

   396 do_write (GnomeVFSMethod 	*method,

   397 	  GnomeVFSMethodHandle  *method_handle,

   398 	  gconstpointer 	 buffer,

   399 	  GnomeVFSFileSize 	 num_bytes,

   400 	  GnomeVFSFileSize 	*bytes_written,

   401 	  GnomeVFSContext 	*context)

   402 {

   403     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   404 }

   405 

   406 static GnomeVFSResult

   407 do_seek (GnomeVFSMethod	      *method,

   408 	 GnomeVFSMethodHandle *method_handle,

   409 	 GnomeVFSSeekPosition  whence,

   410 	 GnomeVFSFileOffset    offset,

   411 	 GnomeVFSContext      *context)

   412 {

   413 	MythtvHandle *myth_handle;

   414     //guint64 whence_p = 0;

   415     //gint64 new_offset =0;

   416 

   417      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   418 

   419      myth_handle = (MythtvHandle *) method_handle;    

   420     

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

   422 

   423     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   424     /*

   425     if (gmyth_uri_is_livetv (myth_handle->gmyth_uri))

   426     

   427     switch (whence)

   428     {

   429         case GNOME_VFS_SEEK_START:

   430             whence_p = 0;

   431             break;

   432         case GNOME_VFS_SEEK_CURRENT:

   433             whence_p = myth_handle->offset;

   434             break;

   435         case GNOME_VFS_SEEK_END:

   436             return GNOME_VFS_ERROR_NOT_SUPPORTED;

   437     }

   438     

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

   440     if (new_offset != 0) {

   441         myth_handle->offset = new_offset;

   442         return GNOME_VFS_OK;

   443     }

   444 

   445     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   446     */

   447 }

   448 

   449 static GnomeVFSResult

   450 do_tell (GnomeVFSMethod       *method,

   451 	 GnomeVFSMethodHandle *method_handle,

   452 	 GnomeVFSFileSize   *offset_return)

   453 {

   454 	MythtvHandle *myth_handle = NULL;

   455     

   456      _GNOME_VFS_METHOD_PARAM_CHECK (method_handle != NULL);

   457      

   458     myth_handle = (MythtvHandle *) method_handle;

   459     *offset_return = myth_handle->offset;

   460 

   461     return GNOME_VFS_OK;

   462 }

   463 

   464 static GnomeVFSResult

   465 do_truncate_handle (GnomeVFSMethod *method,

   466 		    GnomeVFSMethodHandle *method_handle,

   467 		    GnomeVFSFileSize where,

   468 		    GnomeVFSContext *context)

   469 {

   470     return GNOME_VFS_ERROR_READ_ONLY;

   471 }

   472 

   473 static GnomeVFSResult

   474 do_open_directory (GnomeVFSMethod 	    *method,

   475 		   GnomeVFSMethodHandle    **method_handle,

   476 		   GnomeVFSURI 		    *uri,

   477 		   GnomeVFSFileInfoOptions   options,

   478 		   GnomeVFSContext 	    *context) 

   479 {

   480     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   481 }

   482 

   483 static GnomeVFSResult

   484 do_close_directory (GnomeVFSMethod 	 *method,

   485 		    GnomeVFSMethodHandle *method_handle,

   486 		    GnomeVFSContext 	 *context) 

   487 {

   488     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   489 }

   490 

   491 static GnomeVFSResult

   492 do_read_directory (GnomeVFSMethod 	*method,

   493        		   GnomeVFSMethodHandle *method_handle,

   494        		   GnomeVFSFileInfo 	*file_info,

   495 		   GnomeVFSContext 	*context)

   496 {

   497     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   498 }

   499 

   500 

   501 static GnomeVFSResult

   502 do_get_file_info (GnomeVFSMethod * method,

   503 		  GnomeVFSURI * uri,

   504 		  GnomeVFSFileInfo * file_info,

   505 		  GnomeVFSFileInfoOptions options,

   506 		  GnomeVFSContext * context)

   507 {

   508     return myth_get_file_info (NULL, uri, file_info);

   509 }

   510 

   511 static GnomeVFSResult

   512 do_get_file_info_from_handle (GnomeVFSMethod 		*method,

   513             			      GnomeVFSMethodHandle 	*method_handle,

   514 			                  GnomeVFSFileInfo 		*file_info,

   515             			      GnomeVFSFileInfoOptions    options,

   516 			                  GnomeVFSContext 		*context)

   517 {

   518 	MythtvHandle *myth_handle = (MythtvHandle *) method_handle;

   519 

   520     return myth_get_file_info (myth_handle, NULL, file_info);

   521 }

   522 

   523 static gboolean

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

   525 {

   526 	return FALSE;

   527 }

   528 

   529 static GnomeVFSResult

   530 do_make_directory (GnomeVFSMethod  *method, 

   531 		            GnomeVFSURI     *uri,

   532                     guint 	    perm, 

   533 		            GnomeVFSContext *context) 

   534 {

   535     return GNOME_VFS_ERROR_READ_ONLY;

   536 }

   537 

   538 static GnomeVFSResult 

   539 do_remove_directory (GnomeVFSMethod  *method, 

   540 		             GnomeVFSURI     *uri, 

   541 		             GnomeVFSContext *context) 

   542 {

   543     return GNOME_VFS_ERROR_READ_ONLY;

   544 }

   545 

   546 static GnomeVFSResult

   547 do_move (GnomeVFSMethod  *method,

   548 	 GnomeVFSURI 	 *old_uri,

   549 	 GnomeVFSURI 	 *new_uri,

   550 	 gboolean         force_replace,

   551 	 GnomeVFSContext *context)

   552 {

   553     return GNOME_VFS_ERROR_READ_ONLY;

   554 }

   555 

   556 static GnomeVFSResult 

   557 do_unlink (GnomeVFSMethod  *method,

   558 	   GnomeVFSURI 	   *uri,

   559 	   GnomeVFSContext *context)

   560 {

   561     return GNOME_VFS_ERROR_READ_ONLY;

   562 }

   563 

   564 static GnomeVFSResult 

   565 do_check_same_fs (GnomeVFSMethod  *method,

   566 		  GnomeVFSURI 	  *a,

   567 		  GnomeVFSURI 	  *b,

   568 		  gboolean 	  *same_fs_return,

   569 		  GnomeVFSContext *context)

   570 {

   571     return GNOME_VFS_ERROR_NOT_SUPPORTED;

   572 }

   573 

   574 static GnomeVFSResult

   575 do_set_file_info (GnomeVFSMethod 		*method,

   576 		  GnomeVFSURI 			*uri,

   577 		  const GnomeVFSFileInfo 	*info,

   578 		  GnomeVFSSetFileInfoMask 	 mask,

   579 		  GnomeVFSContext 		*context)

   580 {

   581     return GNOME_VFS_ERROR_READ_ONLY;

   582 }

   583 

   584 static GnomeVFSResult

   585 do_truncate (GnomeVFSMethod *method,

   586 	     GnomeVFSURI *uri,

   587 	     GnomeVFSFileSize where,

   588 	     GnomeVFSContext *context)

   589 {

   590     return GNOME_VFS_ERROR_READ_ONLY;

   591 }

   592 

   593 static GnomeVFSResult

   594 do_find_directory (GnomeVFSMethod *method,

   595 		   GnomeVFSURI *near_uri,

   596 		   GnomeVFSFindDirectoryKind kind,

   597 		   GnomeVFSURI **result_uri,

   598 		   gboolean create_if_needed,

   599 		   gboolean find_if_needed,

   600 		   guint permissions,

   601 		   GnomeVFSContext *context)

   602 {

   603 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   604 }

   605 

   606 static GnomeVFSResult

   607 do_create_symbolic_link (GnomeVFSMethod *method,

   608 			 GnomeVFSURI *uri,

   609 			 const char *target_reference,

   610 			 GnomeVFSContext *context)

   611 {

   612     return GNOME_VFS_ERROR_READ_ONLY;

   613 }

   614 

   615 static GnomeVFSResult

   616 do_monitor_add (GnomeVFSMethod *method,

   617 		GnomeVFSMethodHandle **method_handle_return,

   618 		GnomeVFSURI *uri,

   619 		GnomeVFSMonitorType monitor_type)

   620 {

   621 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   622 }

   623 

   624 static GnomeVFSResult

   625 do_monitor_cancel (GnomeVFSMethod *method,

   626 		   GnomeVFSMethodHandle *method_handle)

   627 {

   628 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   629 }

   630 

   631 static GnomeVFSResult

   632 do_file_control (GnomeVFSMethod *method,

   633 		 GnomeVFSMethodHandle *method_handle,

   634 		 const char *operation,

   635 		 gpointer operation_data,

   636 		 GnomeVFSContext *context)

   637 {

   638 	return GNOME_VFS_ERROR_NOT_SUPPORTED;

   639 }

   640 

   641 static GnomeVFSMethod method = {

   642 	sizeof (GnomeVFSMethod),

   643 	do_open, 

   644 	do_create,

   645 	do_close,

   646 	do_read, 

   647 	do_write,

   648 	do_seek,

   649 	do_tell,

   650 	do_truncate_handle, 

   651 	do_open_directory,

   652 	do_close_directory,

   653 	do_read_directory,

   654 	do_get_file_info,

   655 	do_get_file_info_from_handle,

   656 	do_is_local, 

   657 	do_make_directory, 

   658 	do_remove_directory,

   659 	do_move,

   660 	do_unlink,

   661 	do_check_same_fs,

   662 	do_set_file_info,

   663 	do_truncate, 

   664 	do_find_directory, 

   665 	do_create_symbolic_link,  

   666 	do_monitor_add,  

   667 	do_monitor_cancel,  

   668 	do_file_control 	

   669 };

   670 

   671 

   672 GnomeVFSMethod *

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

   674 {

   675 	return &method;

   676 }

   677 

   678 void

   679 vfs_module_shutdown (GnomeVFSMethod * method)

   680 {

   681 }
gmyth