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
|
/* Copyright (C) 1998-99 Martin Baulig
This file is part of LibGTop 1.0.
Contributed by Martin Baulig <martin@home-of-linux.org>, October 1998.
LibGTop is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
LibGTop is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with LibGTop; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <glibtop.h>
#include <glibtop/error.h>
#include <glibtop/ppp.h>
#include <glibtop_suid.h>
#ifdef HAVE_I4B
#include <net/if.h>
#include <net/if_types.h>
#ifdef HAVE_NET_IF_VAR_H
#include <net/if_var.h>
#endif
#include <net/netisr.h>
#include <net/route.h>
#include <net/if_sppp.h>
/* Read `misc/i4b_acct.txt' for details ... */
#ifdef HAVE_I4B_ACCT
#include <machine/i4b_acct.h>
#endif
static const unsigned long _glibtop_sysdeps_ppp =
(1L << GLIBTOP_PPP_STATE);
#ifdef HAVE_I4B_ACCT
static const unsigned long _glibtop_sysdeps_ppp_acct =
(1L << GLIBTOP_PPP_BYTES_IN) + (1L << GLIBTOP_PPP_BYTES_OUT);
#endif
#endif /* HAVE_I4B */
/* nlist structure for kernel access */
static struct nlist nlst [] = {
#ifdef HAVE_I4B
{ "_i4bisppp_softc" },
#endif
{ 0 }
};
/* Init function. */
void
_glibtop_init_ppp_p (glibtop *server)
{
#ifdef HAVE_I4B
#ifdef HAVE_I4B_ACCT
server->sysdeps.ppp = _glibtop_sysdeps_ppp |
_glibtop_sysdeps_ppp_acct;
#else
server->sysdeps.ppp = _glibtop_sysdeps_ppp;
#endif
#endif /* HAVE_I4B */
if (kvm_nlist (server->machine->kd, nlst) < 0) {
glibtop_warn_io_r (server, "kvm_nlist");
server->sysdeps.ppp = 0;
}
}
/* Provides information about ppp usage. */
void
glibtop_get_ppp_p (glibtop *server, glibtop_ppp *buf, unsigned short device)
{
#ifdef HAVE_I4B
#ifdef HAVE_I4B_ACCT
struct i4bisppp_softc data;
#else
struct sppp data;
#endif
int phase;
memset (buf, 0, sizeof (glibtop_ppp));
if (server->sysdeps.ppp == 0) return;
if (kvm_read (server->machine->kd, nlst [0].n_value,
&data, sizeof (data)) != sizeof (data)) {
glibtop_warn_io_r (server, "kvm_read (i4bisppp_softc)");
return;
}
#ifdef HAVE_I4B_ACCT
phase = data.sc_if_un.scu_sp.pp_phase;
#else
/* FIXME: Which FreeBSD version have this field and
* which not. */
#if 0
phase = data.pp_phase;
#endif
#endif
switch (phase) {
#ifdef HAVE_I4B_ACCT
case PHASE_DEAD:
case PHASE_TERMINATE:
buf->state = GLIBTOP_PPP_STATE_HANGUP;
break;
case PHASE_ESTABLISH:
case PHASE_NETWORK:
buf->state = GLIBTOP_PPP_STATE_ONLINE;
break;
#endif
default:
buf->state = GLIBTOP_PPP_STATE_UNKNOWN;
break;
}
buf->flags = _glibtop_sysdeps_ppp;
#ifdef HAVE_I4B_ACCT
buf->bytes_in = data.sc_inb;
buf->bytes_out = data.sc_outb;
buf->flags |= _glibtop_sysdeps_ppp_acct;
#endif
#endif /* HAVE_I4B */
}
|
