static int
s_dir_compare (void *item1, void *item2)
{
assert (item1);
assert (item2);
return strcmp (zdir_path ((zdir_t *) item1),
zdir_path ((zdir_t *) item2));
}
JNIEXPORT jstring JNICALL
Java_org_zeromq_czmq_Zdir__1_1path (JNIEnv *env, jclass c, jlong self)
{
char *path_ = (char *) zdir_path ((zdir_t *) (intptr_t) self);
jstring return_string_ = (*env)->NewStringUTF (env, path_);
return return_string_;
}
static int
s_on_read_timer (zloop_t *loop, int timer_id, void *arg)
{
zdir_watch_t *watch = (zdir_watch_t *) arg;
void *data;
for (data = zhash_first (watch->subs); data != NULL; data = zhash_next (watch->subs))
{
zdir_watch_sub_t *sub = (zdir_watch_sub_t *) data;
zdir_t *new_dir = zdir_new (zdir_path (sub->dir), NULL);
if (!new_dir) {
if (watch->verbose)
zsys_error ("zdir_watch: Unable to create new zdir for path %s", zdir_path (sub->dir));
continue;
}
// Determine if anything has changed.
zlist_t *diff = zdir_diff (sub->dir, new_dir, "");
// Do memory management before error handling...
zdir_destroy (&sub->dir);
sub->dir = new_dir;
if (!diff) {
if (watch->verbose)
zsys_error ("zdir_watch: Unable to create diff for path %s", zdir_path (sub->dir));
continue;
}
if (zlist_size (diff) > 0) {
if (watch->verbose) {
zdir_patch_t *patch = (zdir_patch_t *) zlist_first (diff);
zsys_info ("zdir_watch: Found %d changes in %s:", zlist_size (diff), zdir_path (sub->dir));
while (patch)
{
zsys_info ("zdir_watch: %s %s", zfile_filename (zdir_patch_file (patch), NULL), zdir_patch_op (patch) == ZDIR_PATCH_CREATE? "created": "deleted");
patch = (zdir_patch_t *) zlist_next (diff);
}
}
if (zsock_send (watch->pipe, "sp", zdir_path (sub->dir), diff) != 0) {
if (watch->verbose)
zsys_error ("zdir_watch: Unable to send patch list for path %s", zdir_path (sub->dir));
zlist_destroy (&diff);
}
// Successfully sent `diff` list - now owned by receiver
}
else {
zlist_destroy (&diff);
}
}
return 0;
}