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
|
/* See LICENSE file for copyright and license details. */
#include <limits.h>
#include <stdio.h>
#include "../slstatus.h"
#include "../util.h"
#if defined(__linux__)
#include <stdint.h>
#define NET_RX_BYTES "/sys/class/net/%s/statistics/rx_bytes"
#define NET_TX_BYTES "/sys/class/net/%s/statistics/tx_bytes"
const char *
netspeed_rx(const char *interface)
{
uintmax_t oldrxbytes;
static uintmax_t rxbytes;
extern const unsigned int interval;
char path[PATH_MAX];
oldrxbytes = rxbytes;
if (esnprintf(path, sizeof(path), NET_RX_BYTES, interface) < 0)
return NULL;
if (pscanf(path, "%ju", &rxbytes) != 1) {
return NULL;
}
if (oldrxbytes == 0) {
return NULL;
}
return fmt_human((rxbytes - oldrxbytes) * 1000 / interval,
1024);
}
const char *
netspeed_tx(const char *interface)
{
uintmax_t oldtxbytes;
static uintmax_t txbytes;
extern const unsigned int interval;
char path[PATH_MAX];
oldtxbytes = txbytes;
if (esnprintf(path, sizeof(path), NET_TX_BYTES, interface) < 0)
return NULL;
if (pscanf(path, "%ju", &txbytes) != 1) {
return NULL;
}
if (oldtxbytes == 0) {
return NULL;
}
return fmt_human((txbytes - oldtxbytes) * 1000 / interval,
1024);
}
#elif defined(__OpenBSD__) | defined(__FreeBSD__)
#include <ifaddrs.h>
#include <net/if.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
const char *
netspeed_rx(const char *interface)
{
struct ifaddrs *ifal, *ifa;
struct if_data *ifd;
uintmax_t oldrxbytes;
static uintmax_t rxbytes;
extern const unsigned int interval;
int if_ok = 0;
oldrxbytes = rxbytes;
if (getifaddrs(&ifal) == -1) {
warn("getifaddrs failed");
return NULL;
}
rxbytes = 0;
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
rxbytes += ifd->ifi_ibytes, if_ok = 1;
}
}
freeifaddrs(ifal);
if (!if_ok) {
warn("reading 'if_data' failed");
return NULL;
}
if (oldrxbytes == 0) {
return NULL;
}
return fmt_human((rxbytes - oldrxbytes) * 1000 / interval,
1024);
}
const char *
netspeed_tx(const char *interface)
{
struct ifaddrs *ifal, *ifa;
struct if_data *ifd;
uintmax_t oldtxbytes;
static uintmax_t txbytes;
extern const unsigned int interval;
int if_ok = 0;
oldtxbytes = txbytes;
if (getifaddrs(&ifal) == -1) {
warn("getifaddrs failed");
return NULL;
}
txbytes = 0;
for (ifa = ifal; ifa; ifa = ifa->ifa_next) {
if (!strcmp(ifa->ifa_name, interface) &&
(ifd = (struct if_data *)ifa->ifa_data)) {
txbytes += ifd->ifi_obytes, if_ok = 1;
}
}
freeifaddrs(ifal);
if (!if_ok) {
warn("reading 'if_data' failed");
return NULL;
}
if (oldtxbytes == 0) {
return NULL;
}
return fmt_human((txbytes - oldtxbytes) * 1000 / interval,
1024);
}
#endif
|
