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authorLaurent Bercot <ska-skaware@skarnet.org>2014-12-05 22:26:11 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2014-12-05 22:26:11 +0000
commit90b12bd71bb9fc79a4640b9112c13ef529d0196a (patch)
tree523b3f4ee2969e7a729bab2ba749c4b924ae62af /src/supervision/s6-svstat.c
downloads6-90b12bd71bb9fc79a4640b9112c13ef529d0196a.tar.xz
Initial commit
Diffstat (limited to 'src/supervision/s6-svstat.c')
-rw-r--r--src/supervision/s6-svstat.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/src/supervision/s6-svstat.c b/src/supervision/s6-svstat.c
new file mode 100644
index 0000000..c986b8d
--- /dev/null
+++ b/src/supervision/s6-svstat.c
@@ -0,0 +1,70 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <skalibs/uint64.h>
+#include <skalibs/uint.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/buffer.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/tai.h>
+#include <skalibs/djbunix.h>
+#include <s6/s6-supervise.h>
+
+#define USAGE "s6-svstat servicedir"
+
+int main (int argc, char const *const *argv)
+{
+ s6_svstatus_t status ;
+ char fmt[UINT_FMT] ;
+ int isup, normallyup ;
+ PROG = "s6-svstat" ;
+ if (argc < 2) strerr_dieusage(100, USAGE) ;
+ argv++ ; argc-- ;
+ if (!s6_svstatus_read(*argv, &status))
+ strerr_diefu2sys(111, "read status for ", *argv) ;
+
+ {
+ struct stat st ;
+ unsigned int dirlen = str_len(*argv) ;
+ char fn[dirlen + 6] ;
+ byte_copy(fn, dirlen, *argv) ;
+ byte_copy(fn + dirlen, 6, "/down") ;
+ if (stat(fn, &st) == -1)
+ if (errno != ENOENT) strerr_diefu2sys(111, "stat ", fn) ;
+ else normallyup = 1 ;
+ else normallyup = 0 ;
+ }
+
+ tain_now_g() ;
+ if (tain_future(&status.stamp)) tain_copynow(&status.stamp) ;
+ tain_sub(&status.stamp, &STAMP, &status.stamp) ;
+
+ isup = status.pid && !status.flagfinishing ;
+ if (isup)
+ {
+ buffer_putnoflush(buffer_1small,"up (pid ", 8) ;
+ buffer_putnoflush(buffer_1small, fmt, uint_fmt(fmt, status.pid)) ;
+ buffer_putnoflush(buffer_1small, ") ", 2) ;
+ }
+ else buffer_putnoflush(buffer_1small, "down ", 5) ;
+
+ buffer_putnoflush(buffer_1small, fmt, uint64_fmt(fmt, status.stamp.sec.x)) ;
+ buffer_putnoflush(buffer_1small," seconds", 8) ;
+
+ if (isup && !normallyup)
+ buffer_putnoflush(buffer_1small, ", normally down", 15) ;
+ if (!isup && normallyup)
+ buffer_putnoflush(buffer_1small, ", normally up", 13) ;
+ if (isup && status.flagpaused)
+ buffer_putnoflush(buffer_1small, ", paused", 8) ;
+ if (!isup && (status.flagwant == 'u'))
+ buffer_putnoflush(buffer_1small, ", want up", 10) ;
+ if (isup && (status.flagwant == 'd'))
+ buffer_putnoflush(buffer_1small, ", want down", 12) ;
+
+ if (buffer_putflush(buffer_1small, "\n", 1) < 0)
+ strerr_diefu1sys(111, "write to stdout") ;
+ return 0 ;
+}