def initialize():
"""
Starts the server main loop.
"""
from twisted.internet import reactor
from twisted.python.logfile import LogFile
import sys
import os,os.path
# load our run-time configuration
import tops.core.utility.config as config
verbose = config.initialize()
# use file-based logging for ourself (print statements are automatically redirected)
logpath = config.getfilename('logger','logfile')
if not logpath or logpath == 'stdout':
log.startLogging(sys.stdout)
else:
(logpath,logfile) = os.path.split(logpath)
log.startLogging(LogFile(logfile,logpath))
print 'Executing',__file__,'as PID',os.getpid()
try:
# create a record buffer to connect our feed watchers to our clients
feed = FeedBuffer()
# initialize socket servers to listen for local and network log message producers
factory = Factory()
factory.protocol = LogServer
factory.feed = feed
reactor.listenTCP(config.getint('logger','tcp_port'),factory)
reactor.listenUNIX(config.getfilename('logger','unix_addr'),factory)
# initialize an HTTP server to handle feed watcher requests via http
prepareWebServer(
portNumber = config.getint('logger','http_port'),
handlers = {"feed":FeedUpdate()},
properties = {"feed":feed},
filterLogs = True
)
# fire up the reactor
print 'Waiting for clients...'
reactor.run()
except Exception:
print 'Reactor startup failed'
# How do I release my unix socket cleanly here?
#reactor.stop()
raise
else:
stdin = None
for (service, path) in ordered:
args = [sys.executable, path]
args.extend(sys.argv[1:])
try:
process = subprocess.Popen(args, shell=False, stdin=stdin)
print "start: service %s is pid %d" % (service, process.pid)
# write the private key via stdout if necessary
if private_key:
process.stdin.write(private_key + "\n")
# give the service's initialization code a chance to complete
time.sleep(delay)
# check that the process is still running before continuing
if process.poll() is not None:
print "start: Service did not start successfully"
break
else:
pidlist.append(str(process.pid))
except OSError:
print 'start: Unable to execute "%s"' % command
# Save the list of process IDs we have just started
if len(pidlist) > 0:
pidlist.reverse()
pidfile = config.getfilename("start", "pidfile") or "pidlist"
pidfile = file(pidfile, "w")
print >> pidfile, " ".join(pidlist)
pidfile.close()
print "start: Services can be killed with: kill -INT `cat %s`" % pidfile.name
