#include "config.h"
+#include "captivefs-vfs.h" /* self */
#include <glib/gmessages.h>
#include "captivefs-misc.h"
+#include <unistd.h>
#include <captive/client-vfs.h>
#include <captive/options.h>
#include <lufs/fs.h>
+gboolean captivefs_vfs_validate(struct captivefs_vfs *captivefs_vfs)
+{
+ g_return_val_if_fail(captivefs_vfs!=NULL,FALSE);
+
+ if (!captivefs_vfs->captive_vfs_object) {
+GnomeVFSResult errvfsresult;
+
+ if (captivefs_vfs->parent_pid==getpid())
+ return FALSE;
+
+ G_LOCK(libcaptive);
+ errvfsresult=captive_vfs_new(&captivefs_vfs->captive_vfs_object,&captivefs_vfs->options);
+ G_UNLOCK(libcaptive);
+
+ g_return_val_if_fail(errvfsresult==GNOME_VFS_OK,FALSE);
+ }
+ g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captivefs_vfs->captive_vfs_object),FALSE);
+
+ return TRUE;
+}
+
+
/* Initialization
* Here we allocate a structure to hold all the file system local info
* (localfs_local). This structure will then be passed as a parameter to
* ! Most filesystems don't need a global context so you can safely ignore the
* global_ctx parameter.
*/
-CaptiveVfsObject *captivefs_init
+struct captivefs_vfs *captivefs_init
(struct list_head *cfg,struct dir_cache *cache,const struct credentials *cred,void **global_ctx)
{
-CaptiveVfsObject *captive_vfs_object;
-struct captive_options options;
-GnomeVFSResult errvfsresult;
+struct captivefs_vfs *captivefs_vfs;
const struct poptOption *cpopt;
GPtrArray *arg_array;
const gchar *cgs;
/* Initialize GObject subsystem of GLib. */
g_type_init();
- captive_options_init(&options);
- captive_options=&options; /* for parsing by 'CAPTIVE_POPT_INCLUDE' */
+ captive_new(captivefs_vfs);
+ captivefs_vfs->captive_vfs_object=NULL;
+ captivefs_vfs->parent_pid=getpid();
+
+ captive_options_init(&captivefs_vfs->options);
+ captive_options=&captivefs_vfs->options; /* for parsing by 'CAPTIVE_POPT_INCLUDE' */
context=poptGetContext(
PACKAGE, /* name */
(const char **)arg_array->pdata, /* argv */
captive_popt, /* options */
POPT_CONTEXT_POSIXMEHARDER); /* flags; && !POPT_CONTEXT_KEEP_FIRST */
+ g_ptr_array_free(arg_array,
+ FALSE); /* free_seg */
if (context==NULL) {
g_warning("%s: argument recognization args_error","captivefs_init");
goto fail_free_options;
captive_options=NULL; /* already parsed by 'CAPTIVE_POPT_INCLUDE' */
- if (options.debug_messages)
+ if (captivefs_vfs->options.debug_messages)
g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_init");
/* image_iochannel */
if ((cgs=lu_opt_getchar(cfg,"MOUNT","image"))) {
- g_assert(options.image_iochannel==NULL);
- if (!(options.image_iochannel=g_io_channel_new_file(
+ g_assert(captivefs_vfs->options.image_iochannel==NULL);
+ if (!(captivefs_vfs->options.image_iochannel=g_io_channel_new_file(
cgs, /* filename */
- (options.rwmode==CAPTIVE_OPTION_RWMODE_RW ? "r+" : "r"), /* mode */
+ (captivefs_vfs->options.rwmode==CAPTIVE_OPTION_RWMODE_RW ? "r+" : "r"), /* mode */
NULL))) { /* error */
g_warning(_("%s: image_iochannel open failed"),"captivefs_init");
goto fail_free_options;
}
}
- G_LOCK(libcaptive);
- errvfsresult=captive_vfs_new(&captive_vfs_object,&options);
- G_UNLOCK(libcaptive);
-
- if (errvfsresult!=GNOME_VFS_OK)
- goto fail_unref_image_iochannel;
+ return captivefs_vfs;
- if (options.debug_messages)
- g_object_set_data(G_OBJECT(captive_vfs_object),"captivefs-debug_messages",captive_vfs_object /* boolean true */);
-
- g_object_set_data(G_OBJECT(captive_vfs_object),"captivefs-vfs-image_iochannel",options.image_iochannel);
- captive_options_free(&options);
- g_ptr_array_free(arg_array,
- FALSE); /* free_seg */
-
- return captive_vfs_object;
-
-fail_unref_image_iochannel:
- g_io_channel_unref(options.image_iochannel);
fail_free_options:
- captive_options_free(&options);
-/* fail_free_arg_array: */
- g_ptr_array_free(arg_array,
- FALSE); /* free_seg */
+ captive_options_free(&captivefs_vfs->options);
/* fail: */
return NULL;
}
* Check the global context count and free it if necessary.
* Deallocate memory and free all resources.
*/
-void captivefs_free(CaptiveVfsObject *captive_vfs_object)
+void captivefs_free(struct captivefs_vfs *captivefs_vfs)
{
-GIOChannel *image_iochannel;
-
- g_return_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object));
+ g_return_if_fail(captivefs_vfs_validate(captivefs_vfs));
- if (VFS_DEBUG_MESSAGES(captive_vfs_object))
+ if (captivefs_vfs->options.debug_messages)
g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_free");
- image_iochannel=g_object_get_data(G_OBJECT(captive_vfs_object),"captivefs-vfs-image_iochannel");
- g_assert(image_iochannel!=NULL);
- g_object_set_data(G_OBJECT(captive_vfs_object),"captivefs-vfs-image_iochannel",NULL); /* just a sanity */
- /* Keep 'image_iochannel' reffed until 'g_object_unref(captive_vfs_object)'. */
+ g_assert(G_OBJECT(captivefs_vfs->captive_vfs_object)->ref_count==1);
G_LOCK(libcaptive);
- g_object_unref(captive_vfs_object);
+ g_object_unref(captivefs_vfs->captive_vfs_object);
G_UNLOCK(libcaptive);
- g_io_channel_unref(image_iochannel);
+ g_io_channel_unref(captivefs_vfs->options.image_iochannel);
+ captive_options_free(&captivefs_vfs->options);
+ g_free(captivefs_vfs);
}
* from a configuration file if you want to, for example, be able to set
* default values.
*/
-int captivefs_mount(CaptiveVfsObject *captive_vfs_object)
+int captivefs_mount(struct captivefs_vfs *captivefs_vfs)
{
- g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object),0);
-
- if (VFS_DEBUG_MESSAGES(captive_vfs_object))
+ /* We may be called from the parent. */
+ g_return_val_if_fail(captivefs_vfs!=NULL,FALSE);
+ captivefs_vfs_validate(captivefs_vfs); /* It may return FALSE. */
+
+ if (captivefs_vfs->options.debug_messages)
g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_mount");
return 1; /* NEVER return 0 */
/* Unmount the file system
* Called when the file system is unmounted.
*/
-void captivefs_umount(CaptiveVfsObject *captive_vfs_object)
+void captivefs_umount(struct captivefs_vfs *captivefs_vfs)
{
- g_return_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object));
+ g_return_if_fail(captivefs_vfs_validate(captivefs_vfs));
- if (VFS_DEBUG_MESSAGES(captive_vfs_object))
+ if (captivefs_vfs->options.debug_messages)
g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"captivefs_umount");
}
git://git.jankratochvil.net / captive.git / blobdiff