def connect(self):
"""
Connect to the command server.
A client only needs the sequence socket(), connect(). Also note that the server does
not sendall()/recv() on the socket it is listening on but on the new socket returned
by accept().
"""
self.notify_socket = notify.notify_server_connection(config.DEFAULT_HOST, config.DEFAULT_NOTIFY_PORT)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.connect((self.server, self.port))
# send the cmdserver our configuration information
send_msg(self.socket, self.config)
def connect(self):
"""
Connect to the command server.
A client only needs the sequence socket(), connect(). Also note that the server does
not sendall()/recv() on the socket it is listening on but on the new socket returned
by accept().
"""
self.notify_socket = notify.notify_server_connection(
config.DEFAULT_HOST, config.DEFAULT_NOTIFY_PORT)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.socket.connect((self.server, self.port))
# send the cmdserver our configuration information
send_msg(self.socket, self.config)
return (cmdproc_socket, pid, config)
def fork_notify_server(notifier_path, notifier_type, notifier_port):
try:
pid = os.fork()
except OSError, e:
sys.exit(1)
if pid == 0:
os.execv(notifier_path, [
notifier_path, '--type', notifier_type, '--port',
str(notifier_port)
])
while True:
try:
notifier_socket = notify.notify_server_connection(
config.DEFAULT_HOST, notifier_port)
break
except (OSError, socket.error) as e:
if e.errno != errno.ECONNREFUSED:
raise
time.sleep(config.NOTIFY_CONNECT_RETRY_TIMEOUT)
logger.info("%s notify server \"%s\" (PID: %s) connected", notifier_type,
notifier_path, pid)
return (notifier_socket, pid)
def fork_context_server(context_path, cmdserver_port):
try:
pid = os.fork()
except OSError, e:
assert 'program' in config
assert 'commands' in config
logger.info("New command processor \"%s\" (PID: %s) connected with configuration:", config['program'], pid)
logger.info(config)
return (cmdproc_socket, pid, config)
def fork_notify_server(notifier_path, notifier_type, notifier_port):
try:
pid = os.fork()
except OSError, e:
sys.exit(1)
if pid == 0:
os.execv(notifier_path, [notifier_path, '--type', notifier_type, '--port', str(notifier_port)])
while True:
try:
notifier_socket = notify.notify_server_connection(config.DEFAULT_HOST, notifier_port)
break
except (OSError, socket.error) as e:
if e.errno != errno.ECONNREFUSED:
raise
time.sleep(config.NOTIFY_CONNECT_RETRY_TIMEOUT)
logger.info("%s notify server \"%s\" (PID: %s) connected", notifier_type, notifier_path, pid)
return (notifier_socket, pid)
def fork_context_server(context_path, cmdserver_port):
try:
pid = os.fork()
except OSError, e:
sys.exit(1)
