mirror of
https://github.com/openvswitch/ovs
synced 2025-08-22 09:58:01 +00:00
0d71302e36
ofp-util had been far too large and monolithic for a long time. This commit breaks it up into units that make some logical sense. It also moves the pieces of ofp-parse that were specific to each unit into the relevant unit. Most of this commit is just moving code around. Signed-off-by: Ben Pfaff <blp@ovn.org> Reviewed-by: Yifeng Sun <pkusunyifeng@gmail.com>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2008-2017 Nicira, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef OPENVSWITCH_NAMEMAP_H
|
|
#define OPENVSWITCH_NAMEMAP_H 1
|
|
|
|
#include "openvswitch/hmap.h"
|
|
|
|
struct ds;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Name-number mapping.
|
|
*
|
|
* This data structure tracks and manages a mapping between names and 32-bit
|
|
* unsigned integers, with provision for detecting names that are used more
|
|
* than once.
|
|
*
|
|
* This structure is suitable for tracking mappings between OpenFlow port names
|
|
* and numbers. OpenFlow doesn't require either these kinds of names to be
|
|
* unique, and in OVS it's possible for two ports to appear to have the same
|
|
* name if their names are longer than the maximum length supported by a given
|
|
* version of OpenFlow.
|
|
*
|
|
* OpenFlow does require port numbers to be unique. We check for duplicate
|
|
* ports numbers just in case a switch has a bug.
|
|
*
|
|
* This structure is also suitable for tracking mappings between OpenFlow table
|
|
* names and number. OpenFlow doesn't require table names to be unique and
|
|
* Open vSwitch doesn't try to make them unique. */
|
|
struct namemap_node {
|
|
struct hmap_node name_node;
|
|
struct hmap_node number_node;
|
|
|
|
uint32_t number;
|
|
char *name;
|
|
|
|
bool duplicate;
|
|
};
|
|
|
|
struct namemap {
|
|
struct hmap by_name;
|
|
struct hmap by_number;
|
|
};
|
|
#define NAMEMAP_INITIALIZER(MAP) \
|
|
{ HMAP_INITIALIZER(&(MAP)->by_name), HMAP_INITIALIZER(&(MAP)->by_number) }
|
|
|
|
void namemap_init(struct namemap *);
|
|
struct namemap_node *namemap_find_by_name(const struct namemap *,
|
|
const char *);
|
|
struct namemap_node *namemap_find_by_number(const struct namemap *, uint32_t);
|
|
void namemap_put(struct namemap *, uint32_t, const char *);
|
|
void namemap_destroy(struct namemap *);
|
|
|
|
void namemap_put_name(const char *, struct ds *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* namemap.h */
|
|
|
|
|