AT_BANNER([daemon unit tests - Python])

m4_define([DAEMON_PYN],
  [AT_SETUP([daemon - $1])
   AT_SKIP_IF([test $2 = no])
   AT_KEYWORDS([python daemon])
   AT_CAPTURE_FILE([pid])
   AT_CAPTURE_FILE([expected])
   # Start the daemon and wait for the pidfile to get created
   # and that its contents are the correct pid.
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid& echo $! > expected], [0])
   OVS_WAIT_UNTIL([test -s pid], [kill `cat expected`])
   AT_CHECK(
     [pid=`cat pid` && expected=`cat expected` && test "$pid" = "$expected"],
     [0], [], [], [kill `cat expected`])
   AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat expected`])
   # Kill the daemon and make sure that the pidfile gets deleted.
   kill `cat expected`
   OVS_WAIT_WHILE([kill -0 `cat expected`])
   AT_CHECK([test ! -e pid])
   AT_CLEANUP])

DAEMON_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_MONITOR_PYN],
  [AT_SETUP([daemon --monitor - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CAPTURE_FILE([parent])
   AT_CAPTURE_FILE([parentpid])
   AT_CAPTURE_FILE([newpid])
   # Start the daemon and wait for the pidfile to get created.
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --monitor& echo $! > parent], [0])
   OVS_WAIT_UNTIL([test -s pid], [kill `cat parent`])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is our child process.
   AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat parent`])
   AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
     [0], [], [], [kill `cat parent`])
   AT_CHECK(
     [parentpid=`cat parentpid` &&
      parent=`cat parent` &&
      test $parentpid = $parent],
     [0], [], [], [kill `cat parent`])
   # Kill the daemon process, making it look like a segfault,
   # and wait for a new child process to get spawned.
   AT_CHECK([cp pid oldpid], [0], [], [], [kill `cat parent`])
   AT_CHECK([kill -SEGV `cat pid`], [0], [], [ignore], [kill `cat parent`])
   OVS_WAIT_WHILE([kill -0 `cat oldpid`], [kill `cat parent`])
   OVS_WAIT_UNTIL([test -s pid && test `cat pid` != `cat oldpid`],
     [kill `cat parent`])
   AT_CHECK([cp pid newpid], [0], [], [], [kill `cat parent`])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is our child process.
   AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
     [0], [], [], [kill `cat parent`])
   AT_CHECK(
     [parentpid=`cat parentpid` &&
      parent=`cat parent` &&
      test $parentpid = $parent],
     [0], [], [], [kill `cat parent`])
   # Kill the daemon process with SIGTERM, and wait for the daemon
   # and the monitor processes to go away and the pidfile to get deleted.
   AT_CHECK([kill `cat pid`], [0], [], [ignore], [kill `cat parent`])
   OVS_WAIT_WHILE([kill -0 `cat parent` || kill -0 `cat newpid` || test -e pid],
     [kill `cat parent`])
   AT_CLEANUP])

DAEMON_MONITOR_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_MONITOR_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_MONITOR_RESTART_PYN],
  [AT_SETUP([daemon --monitor restart exit code - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CAPTURE_FILE([parent])
   AT_CAPTURE_FILE([parentpid])
   AT_CAPTURE_FILE([newpid])
   # Start the daemon and wait for the pidfile to get created.
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --monitor& echo $! > parent], [0])
   OVS_WAIT_UNTIL([test -s pid], [kill `cat parent`])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is our child process.
   AT_CHECK([kill -0 `cat pid`], [0], [], [], [kill `cat parent`])
   AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
     [0], [], [], [kill `cat parent`])
   AT_CHECK(
     [parentpid=`cat parentpid` &&
      parent=`cat parent` &&
      test $parentpid = $parent],
     [0], [], [], [kill `cat parent`])
   # HUP the daemon process causing it to throw an exception,
   # and wait for a new child process to get spawned.
   AT_CHECK([cp pid oldpid], [0], [], [], [kill `cat parent`])
   AT_CHECK([kill -HUP `cat pid`], [0], [], [ignore], [kill `cat parent`])
   OVS_WAIT_WHILE([kill -0 `cat oldpid`], [kill `cat parent`])
   OVS_WAIT_UNTIL([test -s pid && test `cat pid` != `cat oldpid`],
     [kill `cat parent`])
   AT_CHECK([cp pid newpid], [0], [], [], [kill `cat parent`])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is our child process.
   AT_CHECK([ps -o ppid= -p `cat pid` > parentpid],
     [0], [], [], [kill `cat parent`])
   AT_CHECK(
     [parentpid=`cat parentpid` &&
      parent=`cat parent` &&
      test $parentpid = $parent],
     [0], [], [], [kill `cat parent`])
   # Kill the daemon process with SIGTERM, and wait for the daemon
   # and the monitor processes to go away and the pidfile to get deleted.
   AT_CHECK([kill `cat pid`], [0], [], [ignore], [kill `cat parent`])
   OVS_WAIT_WHILE([kill -0 `cat parent` || kill -0 `cat newpid` || test -e pid],
     [kill `cat parent`])
   AT_CLEANUP])

DAEMON_MONITOR_RESTART_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_MONITOR_RESTART_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_DETACH_PYN],
  [AT_SETUP([daemon --detach - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   # Start the daemon and make sure that the pidfile exists immediately.
   # We don't wait for the pidfile to get created because the daemon is
   # supposed to do so before the parent exits.
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0])
   AT_CHECK([test -s pid])
   AT_CHECK([kill -0 `cat pid`])
   # Kill the daemon and make sure that the pidfile gets deleted.
   cp pid saved-pid
   kill `cat pid`
   OVS_WAIT_WHILE([kill -0 `cat saved-pid`])
   AT_CHECK([test ! -e pid])
   AT_CLEANUP])

DAEMON_DETACH_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([CHECK],
 [AT_CHECK([$1], [$2], [$3], [$4], [kill `cat daemon monitor`])])
m4_define([DAEMON_DETACH_MONITOR_PYN],
  [AT_SETUP([daemon --detach --monitor - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([daemon])
   AT_CAPTURE_FILE([olddaemon])
   AT_CAPTURE_FILE([newdaemon])
   AT_CAPTURE_FILE([monitor])
   AT_CAPTURE_FILE([newmonitor])
   AT_CAPTURE_FILE([init])
   # Start the daemon and make sure that the pidfile exists immediately.
   # We don't wait for the pidfile to get created because the daemon is
   # supposed to do so before the parent exits.
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/daemon --detach --monitor], [0])
   AT_CHECK([test -s daemon])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is a running process,
   # and that the parent process of that process is init.
   CHECK([kill -0 `cat daemon`])
   CHECK([ps -o ppid= -p `cat daemon` > monitor])
   CHECK([kill -0 `cat monitor`])
   CHECK([ps -o ppid= -p `cat monitor` > init])
   CHECK([test `cat init` != $$])
   # Kill the daemon process, making it look like a segfault,
   # and wait for a new daemon process to get spawned.
   CHECK([cp daemon olddaemon])
   CHECK([kill -SEGV `cat daemon`], [0], [ignore], [ignore])
   OVS_WAIT_WHILE([kill -0 `cat olddaemon`], [kill `cat olddaemon daemon`])
   OVS_WAIT_UNTIL([test -s daemon && test `cat daemon` != `cat olddaemon`],
     [kill `cat olddaemon daemon`])
   CHECK([cp daemon newdaemon])
   # Check that the pidfile names a running process,
   # and that the parent process of that process is our child process.
   CHECK([kill -0 `cat daemon`])
   CHECK([diff olddaemon newdaemon], [1], [ignore])
   CHECK([ps -o ppid= -p `cat daemon` > newmonitor])
   CHECK([diff monitor newmonitor])
   CHECK([kill -0 `cat newmonitor`])
   CHECK([ps -o ppid= -p `cat newmonitor` > init])
   CHECK([test `cat init` != $$])
   # Kill the daemon process with SIGTERM, and wait for the daemon
   # and the monitor processes to go away and the pidfile to get deleted.
   CHECK([kill `cat daemon`], [0], [], [ignore])
   OVS_WAIT_WHILE(
     [kill -0 `cat monitor` || kill -0 `cat newdaemon` || test -e daemon],
     [kill `cat monitor newdaemon`])
   AT_CLEANUP])

DAEMON_DETACH_MONITOR_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_MONITOR_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])
m4_undefine([CHECK])

m4_define([DAEMON_DETACH_ERRORS_PYN],
  [AT_SETUP([daemon --detach startup errors - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach --bail], [1], [], [stderr])
   AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
     [0], [ignore], [])
   AT_CHECK([test ! -s pid])
   AT_CLEANUP])

DAEMON_DETACH_ERRORS_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_ERRORS_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_DETACH_MONITOR_ERRORS_PYN],
  [AT_SETUP([daemon --detach --monitor startup errors - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CHECK([$3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach --monitor --bail], [1], [], [stderr])
   AT_CHECK([grep 'test-daemon.py: exiting after daemonize_start() as requested' stderr],
     [0], [ignore], [])
   AT_CHECK([test ! -s pid])
   AT_CLEANUP])

DAEMON_DETACH_MONITOR_ERRORS_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_MONITOR_ERRORS_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_DETACH_CLOSES_FDS_PYN],
  [AT_SETUP([daemon --detach closes standard fds - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CAPTURE_FILE([status])
   AT_CAPTURE_FILE([stderr])
   AT_CHECK([(yes 2>stderr; echo $? > status) | $3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0], [], [])
   AT_CHECK([kill `cat pid`])
   AT_CHECK([test -s status])
   if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
     # Something in the environment caused SIGPIPE to be ignored, but
     # 'yes' at least told us that it got EPIPE.  Good enough; we know
     # that stdout was closed.
     :
   else
     # Otherwise make sure that 'yes' died from SIGPIPE.
     AT_CHECK([kill -l `cat status`], [0], [PIPE
])
   fi
   AT_CLEANUP])

DAEMON_DETACH_CLOSES_FDS_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_CLOSES_FDS_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])

m4_define([DAEMON_DETACH_MONITOR_CLOSES_FDS_PYN],
  [AT_SETUP([daemon --detach --monitor closes standard fds - $1])
   AT_SKIP_IF([test $2 = no])
   AT_CAPTURE_FILE([pid])
   AT_CAPTURE_FILE([status])
   AT_CAPTURE_FILE([stderr])
   OVSDB_INIT([db])
   AT_CHECK([(yes 2>stderr; echo $? > status) | $3 $srcdir/test-daemon.py --pidfile=`pwd`/pid --detach], [0], [], [])
   AT_CHECK([kill `cat pid`])
   AT_CHECK([test -s status])
   if grep '[[bB]]roken pipe' stderr >/dev/null 2>&1; then
     # Something in the environment caused SIGPIPE to be ignored, but
     # 'yes' at least told us that it got EPIPE.  Good enough; we know
     # that stdout was closed.
     :
   else
     # Otherwise make sure that 'yes' died from SIGPIPE.
     AT_CHECK([kill -l `cat status`], [0], [PIPE
])
   fi
   AT_CLEANUP])

DAEMON_DETACH_MONITOR_CLOSES_FDS_PYN([Python2], [$HAVE_PYTHON], [$PYTHON])
DAEMON_DETACH_MONITOR_CLOSES_FDS_PYN([Python3], [$HAVE_PYTHON3], [$PYTHON3])