/**
* Remove all the children of a node and removes the node
*
* \param p_playlist the playlist
* \param p_root the node
* \param b_delete_items do we have to delete the children items ?
* \return VLC_SUCCESS or an error
*/
int playlist_NodeDelete( playlist_t *p_playlist, playlist_item_t *p_root,
bool b_delete_items, bool b_force )
{
PL_ASSERT_LOCKED;
/* Delete the children */
for( int i = p_root->i_children - 1 ; i >= 0; i-- )
if( b_delete_items || p_root->pp_children[i]->i_children >= 0 )
playlist_NodeDelete( p_playlist, p_root->pp_children[i],
b_delete_items, b_force );
/* Delete the node */
if( p_root->i_flags & PLAYLIST_RO_FLAG && !b_force )
return VLC_SUCCESS;
pl_priv(p_playlist)->b_reset_currently_playing = true;
int i;
var_SetInteger( p_playlist, "playlist-item-deleted", p_root->i_id );
ARRAY_BSEARCH( p_playlist->all_items, ->i_id, int, p_root->i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->all_items, i );
if( p_root->i_children == -1 ) {
ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_root->i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->items, i );
}
void vlc_event_detach( vlc_event_manager_t *p_em,
vlc_event_type_t event_type,
vlc_event_callback_t pf_callback,
void *p_user_data )
{
vlc_event_listeners_group_t *slot = &p_em->events[event_type];
vlc_mutex_lock( &p_em->lock );
for (int i = 0; i < slot->listeners.i_size; ++i)
{
struct vlc_event_listener_t *listener = slot->listeners.p_elems[i];
if( listener->pf_callback == pf_callback &&
listener->p_user_data == p_user_data )
{
/* that's our listener */
ARRAY_REMOVE( slot->listeners, i );
vlc_mutex_unlock( &p_em->lock );
free( listener );
return;
}
}
vlc_assert_unreachable();
}
/* Body state. */
int
imap_state_body(struct account *a, struct fetch_ctx *fctx)
{
struct fetch_imap_data *data = a->data;
struct mail *m = fctx->mail;
struct fetch_imap_mail *aux;
char *line, *ptr;
u_int n;
if (imap_getln(a, fctx, IMAP_UNTAGGED, &line) != 0)
return (FETCH_ERROR);
if (line == NULL)
return (FETCH_BLOCK);
if (sscanf(line, "* %u FETCH (", &n) != 1)
return (imap_invalid(a, line));
if ((ptr = strstr(line, "BODY[] {")) == NULL)
return (imap_invalid(a, line));
if (sscanf(ptr, "BODY[] {%zu}", &data->size) != 1)
return (imap_invalid(a, line));
data->lines = 0;
/* Fill in local data. */
aux = xcalloc(1, sizeof *aux);
aux->uid = ARRAY_FIRST(&data->wanted);
m->auxdata = aux;
m->auxfree = imap_free;
ARRAY_REMOVE(&data->wanted, 0);
/* Open the mail. */
if (mail_open(m, data->size) != 0) {
log_warnx("%s: failed to create mail", a->name);
return (FETCH_ERROR);
}
m->size = 0;
/* Tag mail. */
default_tags(&m->tags, data->src);
if (data->server.host != NULL) {
add_tag(&m->tags, "server", "%s", data->server.host);
add_tag(&m->tags, "port", "%s", data->server.port);
}
add_tag(&m->tags, "server_uid", "%u", aux->uid);
add_tag(&m->tags,
"folder", "%s", ARRAY_ITEM(data->folders, data->folder));
/* If we already know the mail is oversize, start off flushing it. */
data->flushing = data->size > conf.max_size;
fctx->state = imap_state_line;
return (FETCH_AGAIN);
}
/* Free an item by index. */
int
paste_free_index(struct paste_stack *ps, u_int idx)
{
struct paste_buffer *pb;
if (idx >= ARRAY_LENGTH(ps))
return (-1);
pb = ARRAY_ITEM(ps, idx);
ARRAY_REMOVE(ps, idx);
xfree(pb->data);
xfree(pb);
return (0);
}
/* Free the top item on the stack. */
int
paste_free_top(struct paste_stack *ps)
{
struct paste_buffer *pb;
if (ARRAY_LENGTH(ps) == 0)
return (-1);
pb = ARRAY_FIRST(ps);
ARRAY_REMOVE(ps, 0);
xfree(pb->data);
xfree(pb);
return (0);
}
/**
* Remove all the children of a node and removes the node
*
* \param p_playlist the playlist
* \param p_root the node
* \param b_delete_items do we have to delete the children items ?
* \return VLC_SUCCESS or an error
*/
int playlist_NodeDelete( playlist_t *p_playlist, playlist_item_t *p_root,
bool b_delete_items, bool b_force )
{
PL_ASSERT_LOCKED;
int i;
if( p_root->i_children == -1 )
{
return VLC_EGENERIC;
}
/* Delete the children */
for( i = p_root->i_children - 1 ; i >= 0; i-- )
{
if( p_root->pp_children[i]->i_children > -1 )
{
playlist_NodeDelete( p_playlist, p_root->pp_children[i],
b_delete_items , b_force );
}
else if( b_delete_items )
{
playlist_DeleteFromItemId( p_playlist,
p_root->pp_children[i]->i_id );
}
}
/* Delete the node */
if( p_root->i_flags & PLAYLIST_RO_FLAG && !b_force )
{
}
else
{
int i;
var_SetInteger( p_playlist, "playlist-item-deleted", p_root->i_id );
ARRAY_BSEARCH( p_playlist->all_items, ->i_id, int,
p_root->i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->all_items, i );
/* Remove the item from its parent */
if( p_root->p_parent )
playlist_NodeRemoveItem( p_playlist, p_root, p_root->p_parent );
playlist_ItemRelease( p_root );
}
return VLC_SUCCESS;
}
/* Actually convert an item to a node */
static void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
{
int i;
if( p_item->i_children != -1 ) return;
p_item->i_children = 0;
input_item_t *p_input = p_item->p_input;
vlc_mutex_lock( &p_input->lock );
p_input->i_type = ITEM_TYPE_NODE;
vlc_mutex_unlock( &p_input->lock );
var_SetAddress( p_playlist, "item-change", p_item->p_input );
/* Remove it from the array of available items */
ARRAY_BSEARCH( p_playlist->items,->i_id, int, p_item->i_id, i );
if( i != -1 )
ARRAY_REMOVE( p_playlist->items, i );
}
/*
* Next state. Get next mail. This is also the idle state when completed, so
* check for finished mail, exiting, and so on.
*/
int
imap_state_next(struct account *a, struct fetch_ctx *fctx)
{
struct fetch_imap_data *data = a->data;
/* Handle dropped and kept mail. */
if (!ARRAY_EMPTY(&data->dropped)) {
if (imap_putln(a, "%u UID STORE %u +FLAGS.SILENT (\\Deleted)",
++data->tag, ARRAY_FIRST(&data->dropped)) != 0)
return (FETCH_ERROR);
ARRAY_REMOVE(&data->dropped, 0);
fctx->state = imap_state_commit;
return (FETCH_BLOCK);
}
if (!ARRAY_EMPTY(&data->kept)) {
/*
* GMail is broken and does not set the \Seen flag after mail
* is fetched, so set it explicitly for kept mail.
*/
if (imap_putln(a, "%u UID STORE %u +FLAGS.SILENT (\\Seen)",
++data->tag, ARRAY_FIRST(&data->kept)) != 0)
return (FETCH_ERROR);
ARRAY_REMOVE(&data->kept, 0);
fctx->state = imap_state_commit;
return (FETCH_BLOCK);
}
/* Need to purge, switch to purge state. */
if (fctx->flags & FETCH_PURGE) {
/*
* If can't purge now, loop through this state until there is
* no mail on the dropped queue and FETCH_EMPTY is set. Can't
* have a seperate state to loop through without returning
* here: mail could potentially be added to the dropped list
* while in that state.
*/
if (fctx->flags & FETCH_EMPTY) {
fctx->flags &= ~FETCH_PURGE;
if (imap_putln(a, "%u EXPUNGE", ++data->tag) != 0)
return (FETCH_ERROR);
fctx->state = imap_state_expunge;
return (FETCH_BLOCK);
}
/*
* Must be waiting for delivery, so permit blocking even though
* we (fetch) aren't waiting for any data.
*/
return (FETCH_BLOCK);
}
/* If last mail, wait for everything to be committed then close down. */
if (ARRAY_EMPTY(&data->wanted)) {
if (data->committed != data->total)
return (FETCH_BLOCK);
if (imap_putln(a, "%u CLOSE", ++data->tag) != 0)
return (FETCH_ERROR);
fctx->state = imap_state_close;
return (FETCH_BLOCK);
}
/* Fetch the next mail. */
if (imap_putln(a, "%u "
"UID FETCH %u BODY[]",++data->tag, ARRAY_FIRST(&data->wanted)) != 0)
return (FETCH_ERROR);
fctx->state = imap_state_body;
return (FETCH_BLOCK);
}
/**
* Remove value from a key, discarding the association between the creator ID
* and the 64-bit DB key.
*
* The keys is known to hold the value already.
*
* @param id the primary key
* @param cid the secondary key (creator's ID)
* @param dbkey the 64-bit DB key (informational, for assertions)
*/
void
keys_remove_value(const kuid_t *id, const kuid_t *cid, uint64 dbkey)
{
struct keyinfo *ki;
struct keydata *kd;
int idx;
ki = hikset_lookup(keys, id);
g_assert(ki);
kd = get_keydata(id);
if (NULL == kd)
return;
g_assert(kd->values);
g_assert(kd->values == ki->values);
g_assert(kd->values <= MAX_VALUES);
idx = lookup_secondary_idx(kd, cid);
g_assert(idx >= 0 && idx < kd->values);
g_assert(dbkey == kd->dbkeys[idx]);
ARRAY_REMOVE(kd->creators, idx, kd->values);
ARRAY_REMOVE(kd->dbkeys, idx, kd->values);
ARRAY_REMOVE(kd->expire, idx, kd->values);
/*
* We do not synchronously delete empty keys.
*
* This lets us optimize the nominal case whereby a key loses all its
* values due to a STORE request causing a lifetime check. But the
* STORE will precisely insert back another value.
*
* Hence lazy expiration also gives us the opportunity to further exploit
* caching in memory, the keyinfo being held there as a "cached" value.
*
* Reclaiming of dead keys happens during periodic key load computation.
*/
kd->values--;
ki->values--;
/*
* Recompute next expiration time.
*/
ki->next_expire = TIME_T_MAX;
for (idx = 0; idx < ki->values; idx++) {
ki->next_expire = MIN(ki->next_expire, kd->expire[idx]);
}
dbmw_write(db_keydata, id, kd, sizeof *kd);
if (GNET_PROPERTY(dht_storage_debug) > 2) {
g_debug("DHT STORE key %s now holds only %d/%d value%s, expire in %s",
kuid_to_hex_string(id), ki->values, MAX_VALUES, plural(ki->values),
compact_time(delta_time(ki->next_expire, tm_time())));
}
}
