def run(self, kwargs={}):
try:
sock = util.open_htcp_socket(kwargs.get('host', ""), kwargs.get('port', 4827))
# Join a multicast group if requested
if 'multicast_group' in kwargs:
debug('Joining multicast group ' + kwargs['multicast_group'])
util.join_multicast_group(sock, kwargs['multicast_group'])
# Set sys.stdout to None; ganglia will do so anyway, and we
# can detect this in htcpseqcheck.
# Start receiving HTCP packets
htcpseqcheck.receive_htcp(sock)
except socket.error, msg:
print >> sys.stderr, msg[1]
sys.exit(1)
try:
if group: os.setgid(grp.getgrnam(group).gr_gid)
if user: os.setuid(pwd.getpwnam(user).pw_uid)
except:
print "Error: Could not change uid or gid."
sys.exit(-1)
# Become a daemon
if daemon:
util.createDaemon()
sock = util.open_htcp_socket(host, portnr)
# Join a multicast group if requested
if multicast_group is not None:
debug('Joining multicast group ' + multicast_group)
util.join_multicast_group(sock, multicast_group)
# Start receiving HTCP packets
receive_htcp(sock)
except socket.error, msg:
print msg[1];
except KeyboardInterrupt:
pass
# Ganglia gmond module support
try:
from htcpseqcheck_ganglia import metric_init, metric_cleanup
except ImportError:
pass