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
|
/* ISC license. */
#include <string.h>
#include <skalibs/bytestr.h>
#include <skalibs/strerr.h>
#include <skalibs/sgetopt.h>
#include <skalibs/exec.h>
#include <s6/config.h>
#define USAGE "s6-instance-status [ -uwNrpest | -o up,wantedup,normallyup,ready,paused,pid,exitcode,signal,signum,updownsince,readysince,updownfor,readyfor ] [ -n ] service name"
#define dieusage() strerr_dieusage(100, USAGE)
#define MAXFIELDS 16
#define checkfields() if (n++ >= MAXFIELDS) strerr_dief1x(100, "too many option fields")
static unsigned int check_options (char const *arg, unsigned int n)
{
static char const *table[] =
{
"up",
"wantedup",
"normallyup",
"ready",
"paused",
"pid",
"exitcode",
"signal",
"signum",
"updownsince",
"readysince",
"updownfor",
"readyfor",
0
} ;
while (*arg)
{
size_t pos = str_chr(arg, ',') ;
char const *const *p = table ;
if (!pos) strerr_dief1x(100, "invalid null option field") ;
for (; *p ; p++) if (!strncmp(arg, *p, pos)) break ;
if (!p)
{
char blah[pos+1] ;
memcpy(blah, arg, pos) ;
blah[pos] = 0 ;
strerr_dief2x(100, "invalid option field: ", blah) ;
}
checkfields() ;
arg += pos ; if (*arg) arg++ ;
}
return n ;
}
int main (int argc, char const **argv)
{
char const **fullargv = argv ;
size_t namelen ;
unsigned int n = 0 ;
PROG = "s6-instance-status" ;
{
subgetopt l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "no:uwNrpest", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'n' : break ;
case 'o' : n = check_options(l.arg, n) ; break ;
case 'u' :
case 'w' :
case 'N' :
case 'r' :
case 'p' :
case 'e' :
case 's' :
case 't' : if (n++ >= MAXFIELDS) strerr_dief1x(100, "too many option fields") ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 2) dieusage() ;
namelen = strlen(argv[1]) ;
if (!argv[0][0]) strerr_dief1x(100, "invalid service name") ;
if (!argv[1][0] || argv[1][0] == '.' || byte_in(argv[1], namelen, " \t\f\r\n", 5) < namelen)
strerr_dief1x(100, "invalid instance name") ;
{
size_t svlen = strlen(argv[0]) ;
char fn[svlen + 11 + namelen] ;
memcpy(fn, argv[0], svlen) ;
memcpy(fn + svlen, "/instance/", 10) ;
memcpy(fn + svlen + 10, argv[1], namelen + 1) ;
argv[0] = fn ;
argv[1] = 0 ;
fullargv[0] = S6_BINPREFIX "s6-svstat" ;
xexec(fullargv) ;
}
}
|
