def __init__(self, host, port):
cmd.Cmd.__init__(self)
self.host = host
self.port = port
self.lclient = LockClient(self.host, self.port, default_client)
self.lclient.setDaemon(True)
self.lclient.start()
class LockServiceSehell(cmd.Cmd):
MODE_W = 'write'
MODE_R = 'read'
def __init__(self, host, port):
cmd.Cmd.__init__(self)
self.host = host
self.port = port
self.lclient = LockClient(self.host, self.port, default_client)
self.lclient.setDaemon(True)
self.lclient.start()
def do_lock(self, line):
'''
cretes a lock. Example is:
lock locname write/read [clientid]
'''
els = re.split('\s+', line)
if len(els) < 2:
print 'Lock expects minimum 3 args'
return
lockname = els[0]
lockmode = els[1].lower()
client = default_client
if len(els) > 2:
client = els[2]
if lockmode != LockServiceSehell.MODE_R and LockServiceSehell.MODE_W != lockmode:
print 'Invalid lockmode'
else:
print self.lclient.lock(lockname, lockmode, client)
def do_unlock(self, line):
'''
Unlocks a lock. Example below:
unlock lockname [clentid]
'''
els = re.split('\s+', line)
if len(els) < 1:
print 'Unlock expects minimum 1 args'
return
lockname = els[0]
client = default_client
if len(els) > 1:
client = els[1]
print self.lclient.unlock(lockname, client)
def do_lockdetails(self, line):
'''
Get the details of a lock. Example below:
lockdetails lockname
'''
els = re.split('\s+', line)
if len(els) < 1:
print 'lockdetails expects minimum 1 arg'
return
lockname = els[0]
ld = self.lclient.getLockDetails(lockname)
if ld is not None:
print ld
else:
print 'Some problem in getting details for ' + lockname
def do_dumplocks(self, line):
'''
Dumps the all lock details. Example below:
dumplocks
'''
pass
def do_register(self, line):
'''
Registers a client. Example below:
register clientid
'''
els = re.split('\s+', line)
if len(els) < 1:
print 'register expects minimum 1 arg'
return
clientid = els[0]
ret = self.lclient.register_client(clientid)
print 'Returned ' + str(ret)
def do_unregister(self, line):
'''
De-registers a client. Example below:
unregister clientid
'''
els = re.split('\s+', line)
if len(els) < 1:
print 'unregister expects minimum 1 arg'
return
clientid = els[0]
ret = self.lclient.un_register_client(clientid)
if ret != StatusMsg.SUCCESS:
print "Some problem. Error code " + str(ret)
else:
print 'Successfully unregisterd ' + clientid
def do_exit(self, line):
'''
Exit the lock servuce shell. Example below:
exit
'''
return self.do_quit(line)
def do_quit(self, line):
'''
Exit the lock servuce shell. Example below:
quit
'''
print "Exiting...."
return True
def do_getclients(self, line):
'''
Prints the list of current registered client. Example below:
getclients
'''
clients = self.lclient.getClients()
for client in clients:
print 'Client:', client
def do_getclientlocks(self, line):
'''
Prints the list of locks hold by the client . Example below:
getclientlocks <client-id>
'''
clientId = default_client
els = re.split('\s+', line)
if len(els) >= 1:
clientId = els[0]
if clientId == '':
clientId = default_client
print clientId
clientLocks = self.lclient.getClientLocks(clientId)
print clientLocks
def emptyline(self):
pass
def default(self, line):
out = ''
if line is not None:
outs = re.split('\s+', line)
out = outs[0]
print 'Unrecognized command ' + out
