//!
//! Zeroes out the volume's slot in the instance struct (no longer used)
//!
//! @param[in] pInstance a pointer to the instance to free a volume from
//! @param[in] sVolumeId the volume identifier string (vol-XXXXXXXX)
//!
//! @return a pointer to the volume structure if found otherwise NULL is returned
//!
//! @pre \li Both the \p pInstance and \p sVolumeId fields must not be NULL.
//! \li The volume specified by \p sVolumeId must exists
//!
//! @post On success, the volume entry is erased from the instance volume list
//!
ncVolume *free_volume(ncInstance * pInstance, const char *sVolumeId)
{
int slotsLeft = 0;
ncVolume *pVol = NULL;
ncVolume *pLastVol = NULL;
// Make sure our given parameters are valid
if ((pInstance == NULL) || (sVolumeId == NULL))
return (NULL);
// Check if this volume exists in our volume list
if ((pVol = find_volume(pInstance, sVolumeId)) == NULL) {
return (NULL);
}
// Make sure this is the volume we're looking for
if (strncmp(pVol->volumeId, sVolumeId, CHAR_BUFFER_SIZE)) {
return (NULL);
}
pLastVol = pInstance->volumes + (EUCA_MAX_VOLUMES - 1);
slotsLeft = pLastVol - pVol;
/* shift the remaining entries up, empty or not */
if (slotsLeft)
memmove(pVol, (pVol + 1), (slotsLeft * sizeof(ncVolume)));
/* empty the last one */
bzero(pLastVol, sizeof(ncVolume));
return (pVol);
}
//!
//! Records volume's information in the instance struct, updating the non-NULL values if the record
//! already exists
//!
//! @param[in] pInstance a pointer to our instance containing the volume information to save
//! @param[in] sVolumeId the volume identifier string (vol-XXXXXXXX)
//! @param[in] sVolumeAttachmentToken the attachment token associated with this volume and attachment
//! @param[in] sConnectionString the connection string info specific to this host's volume attachment
//! @param[in] sDevName the device name
//! @param[in] sStateName the current volume state name
//! @param[in] sXml the current volume xml
//!
//! @return a pointer to the volume if found. Otherwise NULL is returned.
//!
//! @pre \li Both \p pInstance and \p sVolumeId fields must not be NULL
//! \li A volume with \p sVolumeId for \p pInstance should exists
//! \li If such volume does not exists, we must have an empty slot in the volume list
//!
//! @post \li If any of \p pInstance or \p sVolumeId is NULL, the application will throw a SIGABRT signal
//! \li If the volume is found or if we have an empty slot, the volume information will be saved
//! \li If the volume is not found and if we do not have empty slot, NULL is returned and nothing is saved
//!
ncVolume *save_volume(ncInstance * pInstance, const char *sVolumeId, const char *sVolumeAttachmentToken, const char *sConnectionString, const char *sDevName,
const char *sStateName, const char *sXml)
{
ncVolume *pVol = NULL;
// Make sure pInstance and sVolumeId aren't NULL
assert(pInstance != NULL);
assert(sVolumeId != NULL);
// Lookup for our device
if ((pVol = find_volume(pInstance, sVolumeId)) != NULL) {
//
// Save our volume information
//
euca_strncpy(pVol->volumeId, sVolumeId, CHAR_BUFFER_SIZE);
if (sVolumeAttachmentToken)
euca_strncpy(pVol->attachmentToken, sVolumeAttachmentToken, CHAR_BUFFER_SIZE);
if (sConnectionString)
euca_strncpy(pVol->connectionString, sConnectionString, VERY_BIG_CHAR_BUFFER_SIZE);
if (sDevName)
euca_strncpy(pVol->devName, sDevName, CHAR_BUFFER_SIZE);
if (sStateName)
euca_strncpy(pVol->stateName, sStateName, CHAR_BUFFER_SIZE);
if (sXml)
euca_strncpy(pVol->volLibvirtXml, sXml, VERY_BIG_CHAR_BUFFER_SIZE);
}
return (pVol);
}
static void
query_info_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GVfsBackendAfpBrowse *afp_backend = G_VFS_BACKEND_AFP_BROWSE (source_object);
GVfsJobQueryInfo *job = G_VFS_JOB_QUERY_INFO (user_data);
GError *err = NULL;
GVfsAfpVolumeData *vol_data;
if (!update_cache_finish (afp_backend, res, &err))
{
g_vfs_job_failed_from_error (G_VFS_JOB (job), err);
g_error_free (err);
return;
}
vol_data = find_volume (afp_backend, job->filename);
if (!vol_data)
{
g_vfs_job_failed_literal (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
_("File doesn't exist"));
return;
}
fill_info (job->file_info, vol_data, afp_backend);
g_vfs_job_succeeded (G_VFS_JOB (job));
}
static void add_volume(GUDisksVolumeMonitor* mon, GUDisksDevice* dev, gboolean emit_signal)
{
if(!find_volume(mon, dev))
{
GUDisksVolume* vol = g_udisks_volume_new(mon, dev);
mon->volumes = g_list_prepend(mon->volumes, vol);
if(emit_signal)
g_signal_emit(mon, sig_volume_added, 0, vol);
}
}
static void g_udisks_device_changed(GUDisksDevice* dev, GUDisksVolumeMonitor* mon)
{
GUDisksDrive* drv = find_drive(mon, dev);
GUDisksVolume* vol = find_volume(mon, dev);
/*
gboolean is_drive = dev->is_drive;
char* usage = g_strdup(dev->usage);
*/
g_debug("g_udisks_device_changed");
if(drv)
{
g_signal_emit(mon, sig_drive_changed, 0, drv);
g_udisks_drive_changed(drv);
/* it's no longer a drive */
if(!dev->is_drive)
remove_drive(mon, dev);
}
else
{
if(dev->is_drive)
add_drive(mon, dev, TRUE);
}
if(vol)
{
update_volume_drive(vol, mon);
g_signal_emit(mon, sig_volume_changed, 0, vol);
g_udisks_volume_changed(vol);
/* it's no longer a volume */
if(!g_udisks_device_is_volume(dev))
remove_volume(mon, dev);
}
else
{
/* we got a usable volume now */
if(g_udisks_device_is_volume(dev))
add_volume(mon, dev, TRUE);
}
}
static void
mount_mountable_cb (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GVfsBackendAfpBrowse *afp_backend = G_VFS_BACKEND_AFP_BROWSE (source_object);
GVfsJobMountMountable *job = G_VFS_JOB_MOUNT_MOUNTABLE (user_data);
GError *err;
GVfsAfpVolumeData *vol_data;
GMountSpec *mount_spec;
if (!update_cache_finish (afp_backend, res, &err))
{
g_vfs_job_failed_from_error (G_VFS_JOB (job), err);
g_error_free (err);
return;
}
vol_data = find_volume (afp_backend, job->filename);
if (!vol_data)
{
g_vfs_job_failed (G_VFS_JOB (job), G_IO_ERROR, G_IO_ERROR_NOT_FOUND,
_("File doesn't exist"));
return;
}
mount_spec = g_mount_spec_new ("afp-volume");
g_mount_spec_set (mount_spec, "host",
g_network_address_get_hostname (G_NETWORK_ADDRESS (afp_backend->addr)));
g_mount_spec_set (mount_spec, "volume", vol_data->name);
g_mount_spec_set (mount_spec, "user", afp_backend->logged_in_user);
g_vfs_job_mount_mountable_set_target (job, mount_spec, "/", TRUE);
g_mount_spec_unref (mount_spec);
g_vfs_job_succeeded (G_VFS_JOB (job));
}
void
renameobject(struct vinum_rename_msg *msg)
{
struct _ioctl_reply *reply = (struct _ioctl_reply *) msg;
struct drive *drive;
struct sd *sd;
struct plex *plex;
struct volume *vol;
switch (msg->type) {
case drive_object: /* you can't attach a drive to anything */
if (find_drive(msg->newname, 0) >= 0) { /* we have that name already, */
reply->error = EEXIST;
reply->msg[0] = '\0';
return;
}
drive = validdrive(msg->index, reply);
if (drive) {
bcopy(msg->newname, drive->label.name, MAXDRIVENAME);
save_config();
reply->error = 0;
}
return;
case sd_object: /* you can't attach a subdisk to anything */
if (find_subdisk(msg->newname, 0) >= 0) { /* we have that name already, */
reply->error = EEXIST;
reply->msg[0] = '\0';
return;
}
sd = validsd(msg->index, reply);
if (sd) {
bcopy(msg->newname, sd->name, MAXSDNAME);
update_sd_config(sd->sdno, 0);
save_config();
reply->error = 0;
}
return;
case plex_object: /* you can't attach a plex to anything */
if (find_plex(msg->newname, 0) >= 0) { /* we have that name already, */
reply->error = EEXIST;
reply->msg[0] = '\0';
return;
}
plex = validplex(msg->index, reply);
if (plex) {
bcopy(msg->newname, plex->name, MAXPLEXNAME);
update_plex_config(plex->plexno, 0);
save_config();
reply->error = 0;
}
return;
case volume_object: /* you can't attach a volume to anything */
if (find_volume(msg->newname, 0) >= 0) { /* we have that name already, */
reply->error = EEXIST;
reply->msg[0] = '\0';
return;
}
vol = validvol(msg->index, reply);
if (vol) {
bcopy(msg->newname, vol->name, MAXVOLNAME);
update_volume_config(msg->index, 0);
save_config();
reply->error = 0;
}
return;
case invalid_object:
reply->error = EINVAL;
reply->msg[0] = '\0';
}
}