def __init__(self):
Pyro.core.ObjBase.__init__(self)
self._connected = False
self.addr = None
self.source = {}
corelog.info("Connecting to GavrtDB")
self.gdb = GavrtDB(rw=True)
rec = self.gdb.get("SELECT * FROM antenna_cmd ORDER BY ID DESC LIMIT 1")
if rec:
self.source = dict(name=rec['Name'][0],RA=rec['RA'][0],Dec=rec['Dec'][0],id=int(rec['SourceID'][0]))
corelog.info("Got most recent source: %s" % (rec['Name'][0]))
else:
corelog.error("Could not find a most recent sournce in the antenna_cmd table.")
class XantInterface(Pyro.core.ObjBase):
def __init__(self):
Pyro.core.ObjBase.__init__(self)
self._connected = False
self.addr = None
self.source = {}
corelog.info("Connecting to GavrtDB")
self.gdb = GavrtDB(rw=True)
rec = self.gdb.get("SELECT * FROM antenna_cmd ORDER BY ID DESC LIMIT 1")
if rec:
self.source = dict(name=rec['Name'][0],RA=rec['RA'][0],Dec=rec['Dec'][0],id=int(rec['SourceID'][0]))
corelog.info("Got most recent source: %s" % (rec['Name'][0]))
else:
corelog.error("Could not find a most recent sournce in the antenna_cmd table.")
def getAddr(self):
return self.addr
def connect(self):
""" Connect to server running Xant, usually dss28-eac """
self.sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.sock.bind(('',9013))
for addr in XANT_ADDRS:
tries = 0
maxtries = 2
corelog.debug("Trying to connect to xant at %s" % (str(addr)))
while tries < maxtries:
tries += 1
try:
self.sock.connect(addr)
break
except Exception, e:
corelog.debug("Failed on %d try\n%s" % (tries,str(e)))
if tries < maxtries:
corelog.info("Succeeded in connecting to Xant at %s after %d tries" % (str(addr),tries))
self.sock.setblocking(False)
self._connected = True
self.addr = addr
return addr
corelog.warning("Failed to connect to Xant")
self.addr = None
return None
