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openvswitch/lib/ofp-print.h
Ben Pfaff b4b8c7812b ofp-util: Simplify iteration through OpenFlow actions.
The existing actions_first() and actions_next() iterator functions are not
much like the other iteration constructs found throughout the Open vSwitch
tree.  Also, they only work with actions that have already been validated,
so there are cases where they cannot be used.

This commit adds new macros for iterating through OpenFlow actions, one
for actions that have been validated and one for actions that have not, and
adapts the existing users.  The following commit will further refine action
parsing and add more users.
2011-06-30 10:04:09 -07:00

51 lines
1.4 KiB
C

/*
* Copyright (c) 2008, 2009, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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 License for the specific language governing permissions and
* limitations under the License.
*/
/* OpenFlow protocol pretty-printer. */
#ifndef OFP_PRINT_H
#define OFP_PRINT_H 1
#include <stdint.h>
#include <stdio.h>
struct ofp_flow_mod;
struct ofp_match;
struct ds;
union ofp_action;
#ifdef __cplusplus
extern "C" {
#endif
void ofp_print(FILE *, const void *, size_t, int verbosity);
void ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len);
void ofp_print_actions(struct ds *, const union ofp_action *, size_t);
void ofp_print_match(struct ds *, const struct ofp_match *, int verbosity);
char *ofp_to_string(const void *, size_t, int verbosity);
char *ofp_match_to_string(const struct ofp_match *, int verbosity);
char *ofp_packet_to_string(const void *data, size_t len, size_t total_len);
char *ofp_message_type_to_string(uint8_t type);
#ifdef __cplusplus
}
#endif
#endif /* ofp-print.h */