+ if (strcasecmp (chain_name, chain->name) == 0)
+ return (chain);
+
+ return (NULL);
+} /* }}} int fc_chain_get_by_name */
+
+int fc_process_chain (const data_set_t *ds, value_list_t *vl, /* {{{ */
+ fc_chain_t *chain)
+{
+ fc_rule_t *rule;
+ fc_target_t *target;
+ int status;
+
+ if (chain == NULL)
+ return (-1);
+
+ DEBUG ("fc_process_chain (chain = %s);", chain->name);
+
+ status = FC_TARGET_CONTINUE;
+ for (rule = chain->rules; rule != NULL; rule = rule->next)
+ {
+ fc_match_t *match;
+
+ if (rule->name[0] != 0)
+ {
+ DEBUG ("fc_process_chain (%s): Testing the `%s' rule.",
+ chain->name, rule->name);
+ }
+
+ /* N. B.: rule->matches may be NULL. */
+ for (match = rule->matches; match != NULL; match = match->next)
+ {
+ /* FIXME: Pass the meta-data to match targets here (when implemented). */
+ status = (*match->proc.match) (ds, vl, /* meta = */ NULL,
+ &match->user_data);
+ if (status < 0)
+ {
+ WARNING ("fc_process_chain (%s): A match failed.", chain->name);
+ break;
+ }
+ else if (status != FC_MATCH_MATCHES)
+ break;
+ }
+
+ /* for-loop has been aborted: Either error or no match. */
+ if (match != NULL)
+ {
+ status = FC_TARGET_CONTINUE;
+ continue;
+ }
+
+ if (rule->name[0] != 0)
+ {
+ DEBUG ("fc_process_chain (%s): Rule `%s' matches.",
+ chain->name, rule->name);
+ }
+
+ for (target = rule->targets; target != NULL; target = target->next)
+ {
+ /* If we get here, all matches have matched the value. Execute the
+ * target. */
+ /* FIXME: Pass the meta-data to match targets here (when implemented). */
+ status = (*target->proc.invoke) (ds, vl, /* meta = */ NULL,
+ &target->user_data);
+ if (status < 0)
+ {
+ WARNING ("fc_process_chain (%s): A target failed.", chain->name);
+ continue;
+ }
+ else if (status == FC_TARGET_CONTINUE)
+ continue;
+ else if (status == FC_TARGET_STOP)
+ break;
+ else if (status == FC_TARGET_RETURN)
+ break;
+ else
+ {
+ WARNING ("fc_process_chain (%s): Unknown return value "
+ "from target `%s': %i",
+ chain->name, target->name, status);
+ }
+ }
+
+ if ((status == FC_TARGET_STOP)
+ || (status == FC_TARGET_RETURN))
+ {
+ if (rule->name[0] != 0)
+ {
+ DEBUG ("fc_process_chain (%s): Rule `%s' signaled "
+ "the %s condition.",
+ chain->name, rule->name,
+ (status == FC_TARGET_STOP) ? "stop" : "return");
+ }