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
|
/*
* Copyright (c) 2017-2020 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 listener.h
* @brief hICN listeners
*/
#ifndef HICNLIGHT_LISTENER_H
#define HICNLIGHT_LISTENER_H
#include <hicn/core/address_pair.h>
#include <hicn/face.h>
struct forwarder_s;
struct batch_buffer_s;
typedef struct {
address_t address;
face_type_t type;
} listener_key_t;
/* This structure holds what is in common to all listeners */
typedef struct {
int id;
char * name;
union {
listener_key_t key;
struct {
address_t address;
face_type_t type;
};
};
char * interface_name;
unsigned interface_index;
unsigned family;
int fd;
void * data; /* Listener specific data */
struct forwarder_s * forwarder;
} listener_t;
#define listener_get_id(L) ((L)->id)
#define listener_get_name(L) ((L)->name)
#define listener_get_key(L) (&(L)->key)
#define listener_get_type(L) ((L)->type)
#define listener_get_interface_name(L) ((L)->interface_name)
#define listener_get_interface_index(L) ((L)->interface_index)
#define listener_get_address(L) (&(L)->address)
#define listener_has_valid_type(L) \
(face_type_is_valid((L)->type))
listener_t * listener_create(face_type_t type, const address_t * address,
const char * interface_name, const char * symbolic, struct forwarder_s * forwarder);
int listener_initialize(listener_t * listener, face_type_t type, const char * name,
unsigned listener_id, const address_t * address,
const char * interface_name, struct forwarder_s * forwarder);
int listener_finalize(listener_t * listener);
int listener_punt(const listener_t * listener, const char * prefix_s);
int listener_get_socket(const listener_t * listener, const address_t * local,
const address_t * remote, const char * interface_name);
unsigned listener_create_connection(const listener_t * listener,
const address_pair_t * pair);
void listener_setup_all(const struct forwarder_s * forwarder, uint16_t port, const char *localPath);
void listener_setup_local_ipv4(const struct forwarder_s * forwarder, uint16_t port);
void listener_process_packet(const listener_t * listener,
const uint8_t * packet, size_t size);
ssize_t listener_read_callback(struct forwarder_s * forwarder, listener_t * listener,
int fd, address_t * local_addr, uint8_t * packet, size_t size);
void listener_batch_read_callback(struct forwarder_s * forwarder,
listener_t * listener, int fd, address_t * local_addr,
struct batch_buffer_s * bb);
#endif /* HICNLIGHT_LISTENER_H */
|