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
|
#include <arpa/inet.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "nDPIsrvd.h"
#include "jsmn/jsmn.h"
//#define VERBOSE 1
static char serv_listen_addr[INET_ADDRSTRLEN] = DISTRIBUTOR_HOST;
static uint16_t serv_listen_port = DISTRIBUTOR_PORT;
static enum nDPIsrvd_callback_return nDPIsrvd_json_callback(struct nDPIsrvd_socket * const sock, void * user_data)
{
(void)user_data;
if (token_is_start(sock) == 1)
{
#ifdef VERBOSE
/* Start of a JSON string. */
printf("JSON ");
#endif
}
else if (token_is_end(sock) == 1)
{
#ifdef VERBOSE
/* End of a JSON string. */
printf("EoF\n");
#endif
}
else if (token_is_key_value_pair(sock) == 1)
{
if (key_equals(sock, "flow_event_name") == 1)
{
if (value_equals(sock, "guessed") == 1)
{
printf("Guessed flow.\n");
}
else if (value_equals(sock, "not-detected") == 1)
{
printf("Not detected flow.\n");
}
}
#ifdef VERBOSE
printf("[%.*s : %.*s] ",
sock->jsmn.key_value.key_length,
sock->jsmn.key_value.key,
sock->jsmn.key_value.value_length,
sock->jsmn.key_value.value);
#endif
}
else
{
fprintf(stderr, "%s\n", "Internal error, exit ..");
return CALLBACK_ERROR;
}
return CALLBACK_OK;
}
int main(int argc, char ** argv)
{
struct nDPIsrvd_socket * sock = nDPIsrvd_init();
(void)argc;
if (sock == NULL)
{
fprintf(stderr, "%s: nDPIsrvd socket memory allocation failed!\n", argv[0]);
return 1;
}
printf("Connecting to %s:%u\n", serv_listen_addr, serv_listen_port);
enum nDPIsrvd_connect_return connect_ret = nDPIsrvd_connect_ip(sock, serv_listen_addr, serv_listen_port);
if (connect_ret != CONNECT_OK)
{
fprintf(stderr, "%s: nDPIsrvd socket connect failed!\n", argv[0]);
return 1;
}
while (1)
{
errno = 0;
enum nDPIsrvd_read_return read_ret = nDPIsrvd_read(sock);
if (read_ret != READ_OK)
{
break;
}
enum nDPIsrvd_parse_return parse_ret = nDPIsrvd_parse(sock, nDPIsrvd_json_callback, NULL);
switch (parse_ret)
{
default:
break;
}
}
return 0;
}
|