summaryrefslogtreecommitdiffstats
path: root/ctrl/facemgr/src/face.h
blob: 8b553f685e64871fce907d51320b979443b06ae3 (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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/*
 * Copyright (c) 2017-2019 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 face.h
 * \brief Face abstraction
 */
#ifndef HICN_FACE_H
#define HICN_FACE_H

#ifndef SPACES
#define SPACES(x) x
#endif
#ifndef SPACE
#define SPACE 1
#endif
#ifndef NULLTERM
#define NULLTERM 1
#endif

#include "util/ip_address.h"
#include "util/policy.h"
#include "util/types.h"


/* Netdevice type */

#include <net/if.h> // IFNAMSIZ

#define foreach_netdevice_type  \
    _(UNDEFINED)                \
    _(WIRED)                    \
    _(WIFI)                     \
    _(CELLULAR)                 \
    _(VPN)                      \
    _(N)

#define MAXSZ_NETDEVICE_TYPE_ 9
#define MAXSZ_NETDEVICE_TYPE MAXSZ_NETDEVICE_TYPE_ + NULLTERM

typedef enum {
#define _(x) NETDEVICE_TYPE_ ## x,
foreach_netdevice_type
#undef _
} netdevice_type_t;

extern const char * netdevice_type_str[];


/* Netdevice */

typedef struct {
    u32 index;
    char name[IFNAMSIZ];
} netdevice_t;

#define NETDEVICE_UNDEFINED_INDEX 0

/* Face state */

#define foreach_face_state      \
    _(UNDEFINED)                \
    _(PENDING_UP)               \
    _(UP)                       \
    _(PENDING_DOWN)             \
    _(DOWN)                     \
    _(ERROR)                    \
    _(N)

#define MAXSZ_FACE_STATE_ 12
#define MAXSZ_FACE_STATE MAXSZ_FACE_STATE_ + 1

typedef enum {
#define _(x) FACE_STATE_ ## x,
foreach_face_state
#undef _
} face_state_t;

extern const char * face_state_str[];


/* Face type */

#define foreach_face_type       \
    _(UNDEFINED)                \
    _(HICN)                     \
    _(HICN_LISTENER)            \
    _(TCP)                      \
    _(TCP_LISTENER)             \
    _(UDP)                      \
    _(UDP_LISTENER)             \
    _(N)

#define MAXSZ_FACE_TYPE_ 13
#define MAXSZ_FACE_TYPE MAXSZ_FACE_TYPE_  + 1

typedef enum {
#define _(x) FACE_TYPE_ ## x,
foreach_face_type
#undef _
} face_type_t;

extern const char * face_type_str[];

#define MAXSZ_FACE_ MAXSZ_FACE_TYPE_ + 2 * MAXSZ_IP_ADDRESS_ + 2 * MAXSZ_PORT_ + 9 + MAXSZ_POLICY_TAGS_
#define MAXSZ_FACE MAXSZ_FACE_ + 1

/* Face */

typedef union {
    int family; /* To access family independently of face type */
    struct {
        int family;
        netdevice_t netdevice;
        ip_address_t local_addr;
        ip_address_t remote_addr;
    } hicn;
    struct {
        int family;
        ip_address_t local_addr;
        u16 local_port;
        ip_address_t remote_addr;
        u16 remote_port;
    } tunnel;
} face_params_t;

typedef struct {
    face_type_t type;
    face_params_t params;
    face_state_t admin_state;
    face_state_t state;
#ifdef WITH_POLICY
    policy_tags_t tags; /**< \see policy_tag_t */
#endif /* WITH_POLICY */
} face_t;

int face_initialize(face_t * face);
int face_initialize_udp(face_t * face, const ip_address_t * local_addr,
        u16 local_port, const ip_address_t * remote_addr, u16 remote_port,
        int family);
int face_initialize_udp_sa(face_t * face,
        const struct sockaddr * local_addr, const struct sockaddr * remote_addr);

face_t * face_create();
face_t * face_create_udp(const ip_address_t * local_addr, u16 local_port,
        const ip_address_t * remote_addr, u16 remote_port, int family);
face_t * face_create_udp_sa(const struct sockaddr * local_addr,
        const struct sockaddr * remote_addr);

int face_finalize(face_t * face);

void face_free(face_t * face);

typedef int (*face_cmp_t)(const face_t * f1, const face_t * f2);

int face_cmp(const face_t * f1, const face_t * f2);
hash_t face_hash(const face_t * face);

size_t
face_snprintf(char * s, size_t size, const face_t * face);

int face_set_tags(face_t * face, policy_tags_t tags);

#endif /* HICN_FACE_H */