blob: 86134116051dc56f63ce447ecddb1f5f3ff29dfe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Copyright (c) 2021-2022 Cisco and/or its affiliates.
* 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.
*/
/**
* \file objects/subscription.h
* \brief Subscription.
*/
#ifndef HICNCTRL_OBJECTS_SUBSCRIPTION_H
#define HICNCTRL_OBJECTS_SUBSCRIPTION_H
#include <limits.h>
#include <stddef.h>
#include <hicn/ctrl/object_type.h>
#undef PUNTING // TODO(eloparco): Undefined to avoid collisions
// Fix the collision
// Used only to create 'hc_topic_t'
typedef struct {
#define _(x) char x;
foreach_object_type
#undef _
} object_offset_t;
// Flags for topic subscriptions
typedef enum {
#define _(x) TOPIC_##x = (1 << offsetof(object_offset_t, x)),
foreach_object_type
#undef _
TOPIC_ALL = INT_MAX,
} hc_topic_t;
static inline hc_object_type_t object_from_topic(hc_topic_t topic) {
#define _(x) \
if (topic == TOPIC_##x) return OBJECT_TYPE_##x;
foreach_object_type
#undef _
return OBJECT_TYPE_UNDEFINED;
}
static inline hc_topic_t topic_from_object_type(hc_object_type_t object_type) {
if (object_type == OBJECT_TYPE_UNDEFINED) return TOPIC_ALL;
#define _(x) \
if (object_type == OBJECT_TYPE_##x) return TOPIC_##x;
foreach_object_type
#undef _
return TOPIC_UNDEFINED;
}
#define NUM_TOPICS OBJECT_TYPE_N // Because a topic is created for each object
#define ALL_TOPICS ~0
// Subscriptions
typedef uint32_t hc_topics_t;
typedef struct {
hc_topics_t topics;
} hc_subscription_t;
#if 0
typedef struct {
netdevice_type_t interface_type;
} hc_event_interface_update_t;
typedef struct {
ip_prefix_t prefix;
netdevice_type_t interface_type;
} hc_event_active_interface_update_t;
#endif
#endif /* HICNCTRL_OBJECTS_SUBSCRIPTION_H */
|
