Exemplo n.º 1
0
/**
 * fen_add
 * 
 * Won't hold a ref, we have a timout callback to clean unused node_t.
 * If there is no value for a key, add it and return it; else return the old
 * one.
 */
void
fen_add (const gchar *filename, gpointer sub, gboolean is_mondir)
{
	node_t* f;

    g_assert (filename);
    g_assert (sub);

    G_LOCK (fen_lock);
	f = node_find(NULL, filename, TRUE);
    FH_W ("%s 0x%p sub[0x%p] %s\n", __func__, f, sub, filename);
    g_assert (f);

    /* Update timestamp, the events in global queue will compare itself to this
     * timestamp to decide if be emitted. TODO, timestamp should be per sub.
     */
    if (!NODE_IS_ACTIVE(f)) {
        g_get_current_time(&f->atv);
    }

    if (is_mondir) {
        f->dir_subs = g_list_prepend(f->dir_subs, sub);
    } else {
        f->subs = g_list_prepend(f->subs, sub);
    }
    
    if (NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED) ||
      (node_lstat(f) == 0 && port_add(f) == 0)) {
#ifndef GIO_COMPILATION
        gam_server_emit_one_event (NODE_NAME(f),
          gam_subscription_is_dir (sub), GAMIN_EVENT_EXISTS, sub, 1);
#endif
        if (is_mondir) {
            scan_children_init (f, sub);
        }
    } else {
#ifndef GIO_COMPILATION
        gam_server_emit_one_event (NODE_NAME(f),
          gam_subscription_is_dir (sub), GAMIN_EVENT_DELETED, sub, 1);
#endif
        node_adjust_deleted (f);
    }
#ifndef GIO_COMPILATION
    gam_server_emit_one_event (NODE_NAME(f),
      gam_subscription_is_dir (sub), GAMIN_EVENT_ENDEXISTS, sub, 1);
#endif
    G_UNLOCK (fen_lock);
}
Exemplo n.º 2
0
/*
 * node_add_event:
 *
 */
static void
node_add_event (node_t *f, node_event_t *ev)
{
    FN_W ("%s %d\n", __func__, ev->e);

    /* Clean the events flag early, because all received events need be
     * processed in this function.
     */
    NODE_CLE_STATE(f, NODE_STATE_HAS_EVENTS);

    /*
     * Node the node has been created, so we can delete create event in
     * optimizing. To reduce the statings, we add it to Port on discoving
     * it then emit CREATED event. So we don't need to do anything here.
     */
    if (NODE_NEED_MONITOR(f)) {
        if (HAS_NO_EXCEPTION_EVENTS(ev->e)) {
            if (NODE_HAS_STATE(f, NODE_STATE_ASSOCIATED) || port_add(f) == 0) {
                if ((ev->e & FILE_MODIFIED) && NODE_HAS_FLAG(f, NODE_FLAG_DIR)) {
                    if (f->dir_subs) {
                        node_create_children_snapshot(f, FN_EVENT_CREATED, TRUE);
                    } else {
                        g_hash_table_foreach(f->children, foreach_known_children_scan, NULL);
                    }
                }
            } else {
                /* Emit delete event */
                ev->e |= FILE_DELETE;

                node_adjust_deleted(f);
            }

        } else {
            node_adjust_deleted(f);
        }

        /* Send events to clients. */
        node_emit_events (f, ev);
        
    } else {
        /* Send events to clients. */
        node_emit_events (f, ev);

        node_try_delete(f);
    }

    if (ev->pair_data) {
        node_t *from = ev->pair_data;
        g_assert(ev->e == FILE_RENAME_TO);

        if (NODE_NEED_MONITOR(from)) {
            /* Clean the events flag, since it may block free this node. */
            NODE_CLE_STATE(from, NODE_STATE_HAS_EVENTS);
            node_adjust_deleted(from);
        } else {
            node_try_delete(from);
        }
    }

    node_event_delete (ev);
}