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
|
/*
* Copyright (c) 2021 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 pit.h
* @brief hICN Pending Interest Table (PIT)
*/
#ifndef HICNLIGHT_PIT_H
#define HICNLIGHT_PIT_H
#include <hicn/core/fib.h>
typedef struct {
nexthops_t ingressIdSet;
nexthops_t egressIdSet;
fib_entry_t* fib_entry;
} pit_entry_t;
#define pit_entry_get_ingress(E) (&((E)->ingressIdSet))
#define pit_entry_get_egress(E) (&((E)->egressIdSet))
#define pit_entry_get_fib_entry(E) ((E)->fib_entry)
#define pit_entry_set_fib_entry(E, FIB_ENTRY) ((E)->fib_entry = FIB_ENTRY)
#define pit_entry_ingress_add(E, NH) \
nexthops_add(pit_entry_get_ingress(E), (NH))
#define pit_entry_ingress_contains(E, NH) \
nexthops_contains(pit_entry_get_ingress(E), (NH))
#define pit_entry_egress_add(E, NH) nexthops_add(pit_entry_get_egress(E), (NH))
typedef struct {
// TODO(eloparco): How to handle PIT size?
size_t max_size;
} pit_t;
#define DEFAULT_INTEREST_LIFETIME 4000000000ULL
Ticks pit_calculate_lifetime(pit_t* pit, const msgbuf_t* msgbuf);
/**
* @brief Allocate a new PIT data structure (extended parameters)
*
* @param init_size Initial size (0 = default)
* @param max_size Maximum size (0 = unbounded)
*
* @return pit_t* Newly allocated PIT data structure
*/
pit_t* _pit_create(size_t init_size, size_t max_size);
/**
* @brief Allocate a new PIT data structure
*
* @return pit_t* Newly allocated PIT data structure
*/
#define pit_create() _pit_create(0, 0)
void pit_free(pit_t* pit);
#endif /* HICNLIGHT_PIT_H */
|
