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
|
/* ISC license. */
#include <string.h>
#include <sys/wait.h>
#include <skalibs/posixplz.h>
#include <skalibs/uint64.h>
#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/gol.h>
#include <skalibs/env.h>
#include <skalibs/cspawn.h>
#include <skalibs/djbunix.h>
#include <s6-rc/config.h>
#include <s6-rc/s6rc-utils.h>
#include "s6-internal.h"
enum golb_e
{
GOLB_DRYRUN,
GOLB_WAIT,
GOLB_N
} ;
enum gola_e
{
GOLA_TIMEOUT,
GOLA_N
} ;
static gol_bool const rgolb[3] =
{
{ .so = 'n', .lo = "dryrun", .clear = 0, .set = 1 << GOLB_DRYRUN },
{ .so = 'W', .lo = "nowait", .clear = 1 << GOLB_WAIT, .set = 0 },
{ .so = 'w', .lo = "wait", .clear = 0, .set = 1 << GOLB_WAIT }
} ;
static gol_arg const rgola[GOLA_N] =
{
{ .so = 't', .lo = "timeout", .i = GOLA_TIMEOUT }
} ;
static int service_startstop (char const *const *argv, int h)
{
char const *wgola[GOLA_N] = { 0 } ;
uint64_t wgolb = 0 ;
unsigned int t = 0 ;
size_t argc = env_len(argv) ;
pid_t pid ;
int wstat ;
uint32_t nlong, nshort, n ;
int livelock, compiledlock ;
size_t livelen = strlen(g->dirs.live) ;
PROG = h ? "s6 service start" : "s6 service stop" ;
argv += gol_argv(argv, rgolb, 3, rgola, GOLA_N, &wgolb, wgola) ;
if (!*argv) strerr_dieusage(100, h ? "s6 service start services..." : "s6 service stop services...") ;
if (wgola[GOLA_TIMEOUT])
{
if (!uint0_scan(wgola[GOLA_TIMEOUT], &t))
strerr_dief1x(100, "timeout must be an integer (milliseconds)") ;
}
s6f_lock(g->dirs.stmp, 0) ; /* leaks, it's fine */
char dbfn[livelen + 10] ;
memcpy(dbfn, g->dirs.live, livelen) ;
memcpy(dbfn + livelen, "/compiled", 10) ;
if (!s6rc_lock(g->dirs.live, 2, &livelock, dbfn, 1, &compiledlock, 1))
strerr_diefu2sys(111, "take lock in ", g->dirs.live) ;
if (!s6rc_live_state_size(g->dirs.live, &nlong, &nshort))
strerr_diefu2sys(111, "read state size in ", g->dirs.live) ;
n = nlong + nshort ;
unsigned char oldstate[n] ;
if (!s6rc_live_state_read(g->dirs.live, oldstate, n))
strerr_diefu2sys(111, "read state in ", g->dirs.live) ;
{
size_t m = 0 ;
char const *newargv[13 + argc] ;
char fmtv[UINT_FMT] ;
char fmtt[UINT_FMT] ;
newargv[m++] = S6RC_EXTBINPREFIX "s6-rc" ;
newargv[m++] = "-X" ; /* we already took the locks */
newargv[m++] = "-v" ;
newargv[m++] = fmtv ;
fmtv[uint_fmt(fmtv, g->verbosity)] = 0 ;
if (t)
{
newargv[m++] = "-t" ;
newargv[m++] = fmtt ;
fmtt[uint_fmt(fmtt, t)] = 0 ;
}
if (wgolb & 1 << GOLB_DRYRUN)
{
newargv[m++] = "-n" ;
newargv[m++] = "1" ;
}
newargv[m++] = "-l" ;
newargv[m++] = g->dirs.live ;
newargv[m++] = "--" ;
newargv[m++] = h ? "start" : "stop" ;
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
pid = cspawn(newargv[0], newargv, (char const *const *)environ, CSPAWN_FLAGS_SIGBLOCKNONE, 0, 0) ;
if (!pid) strerr_diefu2sys(111, "spawn ", newargv[0]) ;
}
if (wait_pid(pid, &wstat) <= 0) strerr_diefu1sys(111, "wait for s6-rc") ;
if ((WIFEXITED(wstat) && !WEXITSTATUS(wstat)) || !g->verbosity)
return wait_estatus(wstat) ;
unsigned char newstate[n] ;
if (!s6rc_live_state_read(g->dirs.live, newstate, n))
strerr_diefu2sys(111, "read state in ", g->dirs.live) ;
s6f_report_state_change(n, oldstate, newstate, dbfn, h) ;
return wait_estatus(wstat) ;
}
int service_start (char const *const *argv)
{
return service_startstop(argv, 1) ;
}
int service_stop (char const *const *argv)
{
return service_startstop(argv, 0) ;
}
|
