def main(cmds):
previous_master_state = None
while True:
master_state = isMasterAlive()
if not master_state:
print "Master is dead..."
if not master_state and previous_master_state:
print "kill process"
killProcess()
elif master_state and not previous_master_state:
print "restart process"
runProcess(cmds)
previous_master_state = master_state
time.sleep(1.0)
def main(cmds):
previous_master_state = None
while True:
master_state = isMasterAlive()
if not master_state:
print "Master is dead..."
if not master_state and previous_master_state:
print "kill process"
killProcess()
elif master_state and not previous_master_state:
print "restart process"
runProcess(cmds)
previous_master_state = master_state
time.sleep(1.0)
def main(topics, size, save_dir, max_size, rate = 1):
if not os.path.exists(save_dir):
os.makedirs(save_dir)
previous_master_state = None
try:
while True:
master_state = isMasterAlive()
if not master_state and previous_master_state:
print "kill rosbag"
killROSBag()
elif master_state and not previous_master_state:
print "restart rosbag"
restartROSBag(topics, size, save_dir)
watchFileSystem(save_dir, max_size)
previous_master_state = master_state
time.sleep(1.0 / rate)
except Exception, e:
time.sleep(1)
watchFileSystem(save_dir, max_size)
def main(topics, size, save_dir, max_size, rate=1):
if not os.path.exists(save_dir):
os.makedirs(save_dir)
previous_master_state = None
try:
while True:
master_state = isMasterAlive()
if not master_state and previous_master_state:
print "kill rosbag"
killROSBag()
elif master_state and not previous_master_state:
print "restart rosbag"
restartROSBag(topics, size, save_dir)
watchFileSystem(save_dir, max_size)
previous_master_state = master_state
time.sleep(1.0 / rate)
except Exception, e:
time.sleep(1)
watchFileSystem(save_dir, max_size)
def main(args):
cmds, respawn, timeout, sigint_timeout, sigterm_timeout, trials = parse_args(
args)
exit_code = 0
previous_master_state = None
try:
while True:
master_state = isMasterAlive(timeout_sec=timeout, trials=trials)
if g_process_object and g_process_object.poll() is not None:
# Child process exited
pid = g_process_object.pid
exit_code = g_process_object.poll()
printLog("Child process exited [%d] (code: %d)" %
(pid, exit_code))
if respawn:
printLog("Restarting process")
runProcess(cmds)
printLog("Process restarted [%d]" % g_process_object.pid)
else:
break
if not master_state and previous_master_state:
# Master is gone dead
pid = g_process_object.pid
printLog("Killing running process")
exit_code = killProcess(sigint_timeout, sigterm_timeout)
printLog("Killed running process [%d] (code: %d)" %
(pid, exit_code))
elif master_state and not previous_master_state:
# Master is now alive
printLog("Starting process")
runProcess(cmds)
printLog("Process started [%d]" % g_process_object.pid)
previous_master_state = master_state
time.sleep(1.0)
except KeyboardInterrupt:
pass
finally:
printLog("Cleaning up processes")
exit_code = killProcess(sigint_timeout, sigterm_timeout)
return exit_code
def main(args):
cmds, respawn = parse_args(args)
exit_code = 0
previous_master_state = None
try:
while True:
master_state = isMasterAlive()
if g_process_object and g_process_object.poll() is not None:
# Child process exited
pid = g_process_object.pid
exit_code = g_process_object.poll()
printLog("Child process exited [%d] (code: %d)" % (pid, exit_code))
if respawn:
printLog("Restarting process")
runProcess(cmds)
printLog("Process restarted [%d]" % g_process_object.pid)
else:
break
if not master_state and previous_master_state:
# Master is gone dead
pid = g_process_object.pid
printLog("Killing running process")
exit_code = killProcess()
printLog("Killed running process [%d] (code: %d)" % (pid, exit_code))
elif master_state and not previous_master_state:
# Master is now alive
printLog("Starting process")
runProcess(cmds)
printLog("Process started [%d]" % g_process_object.pid)
previous_master_state = master_state
time.sleep(1.0)
except KeyboardInterrupt:
pass
finally:
printLog("Cleaning up processes")
exit_code = killProcess()
return exit_code
def check_master():
return isMasterAlive()
def test_isMasterAlive(self):
self.assertTrue(isMasterAlive())
self.assertTrue(isMasterAlive(10, 1))
os.environ["ROS_MASTER_URI"] = 'http://baduri:11311'
self.assertFalse(isMasterAlive())
self.assertFalse(isMasterAlive(10, 1))
