void
node_create_children_snapshot(node_t *f, gint created_event, gboolean emit)
{
GDir *dir;
GError *err = NULL;
FN_W ("%s %s [0x%p]\n", __func__, NODE_NAME(f), f);
dir = g_dir_open (NODE_NAME(f), 0, &err);
if (dir) {
const char *basename;
node_t *child = NULL;
while ((basename = g_dir_read_name (dir))) {
node_t* data;
GList *idx;
child = node_get_child (f, basename);
if (child == NULL) {
gchar *filename;
child = node_new (f, basename);
children_add (f, child);
}
if (f->dir_subs) {
/* We need monitor the new children, or the existed child which
* is in the DELETED mode.
*/
if (!NODE_HAS_STATE(child, NODE_STATE_ASSOCIATED) &&
node_lstat(child) == 0 && port_add(child) == 0) {
if (emit) {
/* Emit the whatever event for the new found file. */
node_emit_one_event(child, child->dir_subs, NULL, created_event);
node_emit_one_event(child, child->subs, NULL, created_event);
node_emit_one_event(child, f->dir_subs, NULL, created_event);
node_emit_one_event(child, f->subs, NULL, created_event);
}
}
/* else ignore, because it may be deleted. */
}
}
g_dir_close (dir);
/* We have finished children snapshot. Any other new added subs should
* directory iterate the snapshot instead of scan directory again.
*/
NODE_SET_FLAG(f, NODE_FLAG_SNAPSHOT_UPDATED);
} else {
FN_W (err->message);
g_error_free (err);
}
}
/* add a child to the list */
static int server_add_child(server_t *s, pid_t pid, backend_t *be)
{
child_t *child = NULL;
dbg_err_if (s == NULL);
dbg_err_if (be == NULL);
dbg_err_if(child_create(pid, be, &child));
dbg_err_if(children_add(s->children, child));
be->nchild++;
return 0;
err:
return ~0;
}
node_t*
node_find(node_t* node, const gchar* filename, gboolean create_on_missing)
{
gchar* str;
gchar* token;
gchar* lasts;
node_t* parent;
node_t* child;
g_assert (filename && filename[0] == '/');
if (node == NULL) {
node = ROOT;
}
FN_W ("%s %s\n", __func__, filename);
parent = child = node;
str = g_strdup (filename);
for (token = strtok_r (str, G_DIR_SEPARATOR_S, &lasts);
token != NULL && child != NULL;
token = strtok_r (NULL, G_DIR_SEPARATOR_S, &lasts)) {
FN_W ("%s %s + %s\n", __func__, NODE_NAME(parent), token);
child = node_get_child(parent, token);
if (child) {
parent = child;
} else if (create_on_missing) {
child = node_new (parent, token);
if (child) {
children_add (parent, child);
parent = child;
continue;
} else {
FN_W ("%s create %s failed", __func__, token);
}
} else {
break;
}
}
g_free (str);
return child;
}
