Initial import
LoxiGen is the work of several developers, not just myself.
diff --git a/c_gen/templates/of_utils.c b/c_gen/templates/of_utils.c
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+:: # Copyright 2013, Big Switch Networks, Inc.
+:: #
+:: # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with
+:: # the following special exception:
+:: #
+:: # LOXI Exception
+:: #
+:: # As a special exception to the terms of the EPL, you may distribute libraries
+:: # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided
+:: # that copyright and licensing notices generated by LoxiGen are not altered or removed
+:: # from the LoxiGen Libraries and the notice provided below is (i) included in
+:: # the LoxiGen Libraries, if distributed in source code form and (ii) included in any
+:: # documentation for the LoxiGen Libraries, if distributed in binary form.
+:: #
+:: # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler."
+:: #
+:: # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain
+:: # a copy of the EPL at:
+:: #
+:: # http://www.eclipse.org/legal/epl-v10.html
+:: #
+:: # Unless required by applicable law or agreed to in writing, software
+:: # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+:: # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+:: # EPL for the specific language governing permissions and limitations
+:: # under the EPL.
+::
+/* Copyright 2013, Big Switch Networks, Inc. */
+
+/****************************************************************
+ * File: of_utils.h
+ *
+ * Some utilities provided based on LOCI code generation
+ *
+ ****************************************************************/
+
+#include <loci/of_utils.h>
+
+
+/**
+ * Check if the given port is used as an output for any entry on the list
+ * @param actions The list of actions being checked
+ * @param outport The port being sought
+ * @returns Boolean, true if entry has an output action to outport
+ *
+ * @fixme VERSION Currently only OF 1.0 supported
+ * @fixme Check for error return in accessor
+ *
+ * If outport is "wildcard", the test should be ignored, so return true
+ */
+
+int
+of_action_list_has_out_port(of_list_action_t *actions, of_port_no_t outport)
+{
+ of_action_t elt;
+ of_action_output_t *output;
+ int loop_rv;
+ of_port_no_t port_no;
+ int rv = 0;
+
+ if (outport == OF_PORT_DEST_WILDCARD) { /* Same as OFPP_ANY */
+ return 1;
+ }
+
+ output = &elt.output;
+ OF_LIST_ACTION_ITER(actions, &elt, loop_rv) {
+ if (output->object_id == OF_ACTION_OUTPUT) {
+ of_action_output_port_get(output, &port_no);
+ if (port_no == outport) {
+ rv = 1;
+ break;
+ }
+ }
+ }
+
+ return rv;
+}
+