class Sender(object):
__slots__ = ('__conn', '__session')
__exchange = 'amq.topic'
def __init__(self, host='localhost', port=5672, timeout=5):
self.__conn = None
qpid.util.socket.setdefaulttimeout(timeout)
if __debug__:
print 'Connecting to %s:%d' % (host, port)
sock = qpid.util.connect(host, port)
self.__conn = Connection(sock=sock)
self.__conn.start()
self.__session = self.__conn.session(str(uuid4()))
def __del__(self):
if self.__conn: self.__conn.close()
def send(self, routing_key, msg_text):
propDelivery = self.__session.delivery_properties(
routing_key = routing_key.__str__(),
exchange = self.__exchange )
contentType = 'application/x-protobuf'
propMessage = self.__session.message_properties(
content_type = contentType)
self.__session.message_transfer(destination = self.__exchange,
message = Message(propDelivery, propMessage, msg_text))
def get_qpid_connection(broker_addr):
try:
socket = connect(broker_addr, 5672)
connection = Connection (sock=socket)
connection.start()
return connection
except:
sys.stderr.write("mhsAckNotify: connect to %s: %s\n" % (broker_addr, sys.exc_info()[1],))
return None
def run(self):
# Create connection and session
socket = connect( self.host, self.port)
connection = Connection(sock=socket, username=self.username, password=self.password)
print("consumer "+self.queueName+": starting connection...")
connection.start()
print("consumer "+self.queueName+": ...connection started")
print("consumer "+self.queueName+": getting session...")
session = connection.session(str(uuid4()))
print("consumer "+self.queueName+": ...session got")
# Define local queue
local_queue_name = 'my_local_queue_' +self.queueName
# Create local queue
print("consumer "+self.queueName+": getting queue...")
queue = session.incoming(local_queue_name)
print("consumer "+self.queueName+": ...queue got")
# Route messages from message_queue to my_local_queue
print("consumer "+self.queueName+": subscribing...")
session.message_subscribe(queue = self.queueName, destination=local_queue_name)
print("consumer "+self.queueName+": ...subscribed")
print("consumer "+self.queueName+": starting queue...")
queue.start()
print("consumer "+self.queueName+": ...queue started")
content = ''
index = 0
while (self.running):
try:
# Get message from the local queue, timeout 5 seconds
message = queue.get(timeout=5)
except:
break # exit this thread, consumer
# Get body of the message
content = message.body
#message_properties = message.get("message_properties")
# Accept message (removes it from the queue)
session.message_accept(RangedSet(message.id))
if (content != ""):
try:
self.readGPB(content)
except Exception, e:
print( "Unexpected error: %s\n" % str(e) )
class IngestViaQPID:
def __init__(self, host='localhost', port=5672, ssl=None):
'''
Connect to QPID and make bindings to route message to external.dropbox queue
@param host: string hostname of computer running EDEX and QPID (default localhost)
@param port: integer port used to connect to QPID (default 5672)
@param ssl: boolean to determine whether ssl is used, default value of None will use ssl only if a client certificate is found.
'''
try:
#
socket = connect(host, port)
if "QPID_SSL_CERT_DB" in os.environ:
certdb = os.environ["QPID_SSL_CERT_DB"]
else:
certdb = os.path.expanduser("~/.qpid/")
if "QPID_SSL_CERT_NAME" in os.environ:
certname = os.environ["QPID_SSL_CERT_NAME"]
else:
certname = QPID_USERNAME
certfile = os.path.join(certdb, certname + ".crt")
if ssl or (ssl is None and os.path.exists(certfile)):
keyfile = os.path.join(certdb, certname + ".key")
trustfile = os.path.join(certdb, "root.crt")
socket = qpid.util.ssl(socket, keyfile=keyfile, certfile=certfile, ca_certs=trustfile)
self.connection = Connection (sock=socket, username=QPID_USERNAME, password=QPID_PASSWORD)
self.connection.start()
self.session = self.connection.session(str(uuid4()))
self.session.exchange_bind(exchange='amq.direct', queue='external.dropbox', binding_key='external.dropbox')
print 'Connected to Qpid'
except:
print 'Unable to connect to Qpid'
def sendmessage(self, filepath, header):
'''
This function sends a message to the external.dropbox queue providing the path
to the file to be ingested and a header to determine the plugin to be used to
decode the file.
@param filepath: string full path to file to be ingested
@param header: string header used to determine plugin decoder to use
'''
props = self.session.delivery_properties(routing_key='external.dropbox')
head = self.session.message_properties(application_headers={'header':header},
user_id=QPID_USERNAME) # For issue QPID-5569. Fixed in Qpid 0.27
self.session.message_transfer(destination='amq.direct', message=Message(props, head, filepath))
def close(self):
'''
After all messages are sent call this function to close connection and make sure
there are no threads left open
'''
self.session.close(timeout=10)
print 'Connection to Qpid closed'
class Receiver(object):
__slots__ = ('__conn', '__session', '__queue')
__exchange = 'amq.topic'
def __init__(self, host='localhost', port=5672, timeout=5):
self.__conn = self.__session = None
if __debug__:
print 'Connecting to %s:%d' % (host, port)
qpid.util.socket.setdefaulttimeout(timeout)
sock = qpid.util.connect(host, port)
self.__conn = Connection(sock=sock)
self.__conn.start()
self.__session = self.__conn.session(str(uuid4()))
def __del__(self):
if self.__session: self.__session.close()
if self.__conn: self.__conn.close()
def setup(self, binding_keys, queue_name = 'queue_%d' % os.getpid()):
# Setup queue
self.__session.queue_declare(queue = queue_name, auto_delete = True,
exclusive = False)
for k in binding_keys:
if __debug__:
print 'Binding', k
self.__session.exchange_bind(exchange = self.__exchange,
queue = queue_name, binding_key = k)
localQueueName = 'local_queue_%d' % os.getpid()
self.__queue = self.__session.incoming(localQueueName)
# Route messages from message_queue to my_local_queue
self.__session.message_subscribe(queue = queue_name,
destination = localQueueName)
if __debug__:
print 'Queue info:', self.__session.queue_query(queue_name)
self.__queue.start()
return self
def fetch(self, timeout=None):
message = self.__queue.get(timeout=timeout)
self.__session.message_accept(RangedSet(message.id))
return message
def get_qpid_connection(broker_host):
try:
socket = connect(broker_host, 5672)
connection = Connection(sock=socket,
username=QPID_USERNAME,
password=QPID_PASSWORD)
connection.start()
return connection
except:
sys.stderr.write("mhsAckNotify: connect to %s: %s\n" % (
broker_host,
sys.exc_info()[1],
))
return None
class IngestViaQPID:
def __init__(self, host='localhost', port=5672):
'''
Connect to QPID and make bindings to route message to external.dropbox queue
@param host: string hostname of computer running EDEX and QPID (default localhost)
@param port: integer port used to connect to QPID (default 5672)
'''
try:
#
self.socket = connect(host, port)
self.connection = Connection(sock=self.socket,
username=QPID_USERNAME,
password=QPID_PASSWORD)
self.connection.start()
self.session = self.connection.session(str(uuid4()))
self.session.exchange_bind(exchange='amq.direct',
queue='external.dropbox',
binding_key='external.dropbox')
print('Connected to Qpid')
except:
print('Unable to connect to Qpid')
def sendmessage(self, filepath, header):
'''
This function sends a message to the external.dropbox queue providing the path
to the file to be ingested and a header to determine the plugin to be used to
decode the file.
@param filepath: string full path to file to be ingested
@param header: string header used to determine plugin decoder to use
'''
props = self.session.delivery_properties(
routing_key='external.dropbox')
head = self.session.message_properties(
application_headers={'header': header},
user_id=QPID_USERNAME) # For issue QPID-5569. Fixed in Qpid 0.27
self.session.message_transfer(destination='amq.direct',
message=Message(props, head, filepath))
def close(self):
'''
After all messages are sent call this function to close connection and make sure
there are no threads left open
'''
self.session.close(timeout=10)
print('Connection to Qpid closed')
def start(self):
"""
Enable AMQP queueing. This method puts up the event processor and
sets it to "active".
"""
self.log.debug("enabling AMQP queueing")
# Evaluate username
user = self.config.get("amqp.id", default=None)
if not user:
user = self.env.uuid
password = self.config.get("amqp.key")
# Create initial broker connection
url = "%s:%s" % (self.url['host'], self.url['port'])
self._conn = Connection.establish(url, reconnect=self.reconnect,
username=user,
password=password,
transport=self.url['transport'],
reconnect_interval=self.reconnect_interval,
reconnect_limit=self.reconnect_limit)
# Do automatic broker failover if requested
if self.config.get('amqp.failover', False):
auto_fetch_reconnect_urls(self._conn)
# Create event exchange
socket = connect(self.url['host'], self.url['port'])
if self.url['scheme'][-1] == 's':
socket = ssl(socket)
user = self.config.get("amqp.id", default=None)
if not user:
user = self.env.uuid
connection = DirectConnection(sock=socket,
username=user,
password=self.config.get("amqp.key"))
connection.start()
session = connection.session(str(uuid4()))
# pylint: disable=E1103
session.exchange_declare(exchange=self.env.domain, type="xml")
connection.close()
# Create event provider
self._eventProvider = EventProvider(self.env, self.getConnection())
class IngestViaQPID:
def __init__(self, host='localhost', port=5672):
'''
Connect to QPID and make bindings to route message to external.dropbox queue
@param host: string hostname of computer running EDEX and QPID (default localhost)
@param port: integer port used to connect to QPID (default 5672)
'''
try:
#
self.socket = connect(host, port)
self.connection = Connection (sock=self.socket, username=QPID_USERNAME, password=QPID_PASSWORD)
self.connection.start()
self.session = self.connection.session(str(uuid4()))
self.session.exchange_bind(exchange='amq.direct', queue='external.dropbox', binding_key='external.dropbox')
print('Connected to Qpid')
except:
print('Unable to connect to Qpid')
def sendmessage(self, filepath, header):
'''
This function sends a message to the external.dropbox queue providing the path
to the file to be ingested and a header to determine the plugin to be used to
decode the file.
@param filepath: string full path to file to be ingested
@param header: string header used to determine plugin decoder to use
'''
props = self.session.delivery_properties(routing_key='external.dropbox')
head = self.session.message_properties(application_headers={'header':header},
user_id=QPID_USERNAME) # For issue QPID-5569. Fixed in Qpid 0.27
self.session.message_transfer(destination='amq.direct', message=Message(props, head, filepath))
def close(self):
'''
After all messages are sent call this function to close connection and make sure
there are no threads left open
'''
self.session.close(timeout=10)
print('Connection to Qpid closed')
class BasilConnection(object):
def __init__(self, model, host, port):
self.model = model
self.host = host
self.port = port
self.broker_id = "%s:%i" % (self.host, self.port)
self.conn = Connection(connect(host, port), self.model.spec)
self.mclient = managementClient(
self.model.spec, None, self.model.on_props, self.model.on_stats, self.model.on_callback
)
self.mclient.schemaListener(self.model.on_schema)
self.chan = None
self.model.connections[self.broker_id] = self
def open(self):
self.conn.start()
self.chan = self.mclient.addChannel(self.conn.session(str(uuid4())), self)
def close(self):
self.mclient.removeChannel(self.chan)
class QpidAMQPHubExtension(BaseAMQPHubExtension):
"""
Initialize the Moksha Hub.
`broker`
[amqps://][<user>[/<password>]@]<host>[:<port>]
"""
def __init__(self, hub, config):
self.config = config
self.set_broker(self.config.get('amqp_broker'))
self.socket = connect(self.host, self.port)
if self.url.scheme == URL.AMQPS:
self.socket = ssl(self.socket)
self.connection = Connection(sock=self.socket,
username=self.user,
password=self.password)
self.connection.start()
log.info("Connected to AMQP Broker %s" % self.host)
self.session = self.connection.session(str(uuid4()))
self.local_queues = []
super(QpidAMQPHubExtension, self).__init__()
def set_broker(self, broker):
self.url = URL(broker)
self.user = self.url.password or 'guest'
self.password = self.url.password or 'guest'
self.host = self.url.host
if self.url.scheme == URL.AMQPS:
self.ssl = True
default_port = 5671
else:
self.ssl = False
default_port = 5672
self.port = self.url.port or default_port
def send_message(self, topic, message, **headers):
headers['routing_key'] = headers.get('routing_key', topic)
props = self.session.delivery_properties(**headers)
msg = Message(props, message)
self.session.message_transfer(
destination=headers.get('exchange', 'amq.topic'),
message=msg)
super(QpidAMQPHubExtension, self).send_message(
topic, message, **headers)
def subscribe_queue(self, server_queue_name, local_queue_name):
queue = self.session.incoming(local_queue_name)
self.session.message_subscribe(queue=server_queue_name,
destination=local_queue_name)
queue.start()
return queue
def queue_declare(self, queue, durable=True, exclusive=False,
auto_delete=False, **kw):
self.session.queue_declare(queue=queue, exclusive=exclusive,
auto_delete=auto_delete,
arguments={'qpid.max_count': 0,
'qpid.max_size': 0}, **kw)
def exchange_bind(self, queue, exchange='amq.topic', binding_key=None):
self.session.exchange_bind(exchange=exchange, queue=queue,
binding_key=binding_key)
def message_subscribe(self, queue, destination):
return self.session.message_subscribe(queue=queue,
destination=destination)
def message_accept(self, message):
try:
self.session.message_accept(RangedSet(message.id))
except SessionClosed:
log.debug("Accepted message on closed session: %s" % message.id)
pass
def subscribe(self, topic, callback):
queue_name = '_'.join([
"moksha_consumer", self.session.name, str(uuid4()),
])
server_queue_name = local_queue_name = queue_name
self.queue_declare(queue=server_queue_name, exclusive=True,
auto_delete=True)
self.exchange_bind(server_queue_name, binding_key=topic)
self.local_queues.append(self.session.incoming(local_queue_name))
self.message_subscribe(queue=server_queue_name,
destination=local_queue_name)
self.local_queues[-1].start()
self.local_queues[-1].listen(callback)
super(QpidAMQPHubExtension, self).subscribe(topic, callback)
def close(self):
self.session.close(timeout=2)
self.connection.close(timeout=2)
self.socket.close()
parser.add_option("-d", "--debug", dest="debug", action="store_true",
help="debug what messages are being sent")
options, args = parser.parse_args()
options.targets = [t.strip() for t in options.targets.split(',')]
# Create connection and session
session_dicts = []
for target in options.targets:
print "Attempting to setup connection with", target
try:
socket = connect(target, 5672)
connection = Connection(
socket, username='******', password='******',
)
connection.start(timeout=10000)
session = connection.session(str(uuid4()))
# Setup routing properties
properties = session.delivery_properties(routing_key='httpdlight_http_rawlogs')
session_dicts.append({
'target' : target,
'socket' : socket,
'connection' : connection,
'session' : session,
'properties' : properties,
})
print " Created target", target
except Exception as e:
print " Failed to create target", target
print str(e)
class QpidAMQPHubExtension(BaseAMQPHubExtension):
"""
Initialize the Moksha Hub.
`broker`
[amqps://][<user>[/<password>]@]<host>[:<port>]
"""
def __init__(self, hub, config):
self.config = config
self.set_broker(self.config.get('amqp_broker'))
self.socket = connect(self.host, self.port)
if self.url.scheme == URL.AMQPS:
self.socket = ssl(self.socket)
self.connection = Connection(sock=self.socket,
username=self.user,
password=self.password)
self.connection.start()
log.info("Connected to AMQP Broker %s" % self.host)
self.session = self.connection.session(str(uuid4()))
self.local_queues = []
super(QpidAMQPHubExtension, self).__init__()
def set_broker(self, broker):
self.url = URL(broker)
self.user = self.url.password or 'guest'
self.password = self.url.password or 'guest'
self.host = self.url.host
if self.url.scheme == URL.AMQPS:
self.ssl = True
default_port = 5671
else:
self.ssl = False
default_port = 5672
self.port = self.url.port or default_port
def send_message(self, topic, message, **headers):
headers['routing_key'] = headers.get('routing_key', topic)
props = self.session.delivery_properties(**headers)
msg = Message(props, message)
self.session.message_transfer(destination=headers.get(
'exchange', 'amq.topic'),
message=msg)
super(QpidAMQPHubExtension, self).send_message(topic, message,
**headers)
def subscribe_queue(self, server_queue_name, local_queue_name):
queue = self.session.incoming(local_queue_name)
self.session.message_subscribe(queue=server_queue_name,
destination=local_queue_name)
queue.start()
return queue
def queue_declare(self,
queue,
durable=True,
exclusive=False,
auto_delete=False,
**kw):
self.session.queue_declare(queue=queue,
exclusive=exclusive,
auto_delete=auto_delete,
arguments={
'qpid.max_count': 0,
'qpid.max_size': 0
},
**kw)
def exchange_bind(self, queue, exchange='amq.topic', binding_key=None):
self.session.exchange_bind(exchange=exchange,
queue=queue,
binding_key=binding_key)
def message_subscribe(self, queue, destination):
return self.session.message_subscribe(queue=queue,
destination=destination)
def message_accept(self, message):
try:
self.session.message_accept(RangedSet(message.id))
except SessionClosed:
log.debug("Accepted message on closed session: %s" % message.id)
pass
def subscribe(self, topic, callback):
queue_name = '_'.join([
"moksha_consumer",
self.session.name,
str(uuid4()),
])
server_queue_name = local_queue_name = queue_name
self.queue_declare(queue=server_queue_name,
exclusive=True,
auto_delete=True)
self.exchange_bind(server_queue_name, binding_key=topic)
self.local_queues.append(self.session.incoming(local_queue_name))
self.message_subscribe(queue=server_queue_name,
destination=local_queue_name)
self.local_queues[-1].start()
self.local_queues[-1].listen(callback)
super(QpidAMQPHubExtension, self).subscribe(topic, callback)
def close(self):
self.session.close(timeout=2)
self.connection.close(timeout=2)
self.socket.close()
options, args = parser.parse_args()
options.targets = [t.strip() for t in options.targets.split(',')]
# Create connection and session
session_dicts = []
for target in options.targets:
print "Attempting to setup connection with", target
try:
socket = connect(target, 5672)
connection = Connection(
socket,
username='******',
password='******',
)
connection.start(timeout=10000)
session = connection.session(str(uuid4()))
# Setup routing properties
print "Talking to %s on topic %s" % (target, options.topic)
properties = session.delivery_properties(routing_key=options.topic)
session_dicts.append({
'target': target,
'socket': socket,
'connection': connection,
'session': session,
'properties': properties,
})
print " Created target", target
except Exception as e:
print " Failed to create target", target
class ManagementData:
#
# Data Structure:
#
# Please note that this data structure holds only the most recent
# configuration and instrumentation data for each object. It does
# not hold the detailed historical data that is sent from the broker.
# The only historical data it keeps are the high and low watermarks
# for hi-lo statistics.
#
# tables :== {class-key}
# {<obj-id>}
# (timestamp, config-record, inst-record)
# class-key :== (<package-name>, <class-name>, <class-hash>)
# timestamp :== (<last-interval-time>, <create-time>, <delete-time>)
# config-record :== [element]
# inst-record :== [element]
# element :== (<element-name>, <element-value>)
#
def registerObjId(self, objId):
if not objId.index() in self.idBackMap:
self.idBackMap[objId.index()] = self.nextId
self.idMap[self.nextId] = objId
self.nextId += 1
def displayObjId(self, objIdIndex):
if objIdIndex in self.idBackMap:
return self.idBackMap[objIdIndex]
else:
return 0
def rawObjId(self, displayId):
if displayId in self.idMap:
return self.idMap[displayId]
else:
return None
def displayClassName(self, cls):
(packageName, className, hash) = cls
rev = self.schema[cls][4]
if rev == 0:
suffix = ""
else:
suffix = ".%d" % rev
return packageName + ":" + className + suffix
def dataHandler(self, context, className, list, timestamps):
""" Callback for configuration and instrumentation data updates """
self.lock.acquire()
try:
# If this class has not been seen before, create an empty dictionary to
# hold objects of this class
if className not in self.tables:
self.tables[className] = {}
# Register the ID so a more friendly presentation can be displayed
objId = list[0][1]
oidx = objId.index()
self.registerObjId(objId)
# If this object hasn't been seen before, create a new object record with
# the timestamps and empty lists for configuration and instrumentation data.
if oidx not in self.tables[className]:
self.tables[className][oidx] = (timestamps, [], [])
(unused, oldConf, oldInst) = self.tables[className][oidx]
# For config updates, simply replace old config list with the new one.
if context == 0: #config
self.tables[className][oidx] = (timestamps, list, oldInst)
# For instrumentation updates, carry the minimum and maximum values for
# "hi-lo" stats forward.
elif context == 1: #inst
if len(oldInst) == 0:
newInst = list
else:
newInst = []
for idx in range(len(list)):
(key, value) = list[idx]
if key.find("High") == len(key) - 4:
if oldInst[idx][1] > value:
value = oldInst[idx][1]
if key.find("Low") == len(key) - 3:
if oldInst[idx][1] < value:
value = oldInst[idx][1]
newInst.append((key, value))
self.tables[className][oidx] = (timestamps, oldConf, newInst)
finally:
self.lock.release()
def ctrlHandler(self, context, op, data):
if op == self.mclient.CTRL_BROKER_INFO:
pass
elif op == self.mclient.CTRL_HEARTBEAT:
pass
def configHandler(self, context, className, list, timestamps):
self.dataHandler(0, className, list, timestamps)
def instHandler(self, context, className, list, timestamps):
self.dataHandler(1, className, list, timestamps)
def methodReply(self, broker, sequence, status, sText, args):
""" Callback for method-reply messages """
self.lock.acquire()
try:
line = "Call Result: " + self.methodsPending[sequence] + \
" " + str (status) + " (" + sText + ")"
print line, args
del self.methodsPending[sequence]
finally:
self.lock.release()
def closeHandler(self, context, reason):
if self.operational:
print "Connection to broker lost:", reason
self.operational = False
if self.cli != None:
self.cli.setPromptMessage("Broker Disconnected")
def schemaHandler(self, context, classKey, configs, insts, methods,
events):
""" Callback for schema updates """
if classKey not in self.schema:
schemaRev = 0
for key in self.schema:
if classKey[0] == key[0] and classKey[1] == key[1]:
schemaRev += 1
self.schema[classKey] = (configs, insts, methods, events,
schemaRev)
def setCli(self, cliobj):
self.cli = cliobj
def __init__(self, disp, host, username="******", password="******"):
self.lock = Lock()
self.tables = {}
self.schema = {}
self.bootSequence = 0
self.operational = False
self.disp = disp
self.cli = None
self.lastUnit = None
self.methodSeq = 1
self.methodsPending = {}
self.sessionId = "%s.%d" % (platform.uname()[1], os.getpid())
self.broker = Broker(host)
sock = connect(self.broker.host, self.broker.port)
oldTimeout = sock.gettimeout()
sock.settimeout(10)
self.conn = Connection(sock,
username=self.broker.username,
password=self.broker.password)
def aborted():
raise Timeout(
"Waiting for connection to be established with broker")
oldAborted = self.conn.aborted
self.conn.aborted = aborted
self.conn.start()
sock.settimeout(oldTimeout)
self.conn.aborted = oldAborted
self.mclient = managementClient("unused", self.ctrlHandler,
self.configHandler, self.instHandler,
self.methodReply, self.closeHandler)
self.mclient.schemaListener(self.schemaHandler)
self.mch = self.mclient.addChannel(self.conn.session(self.sessionId))
self.operational = True
self.idMap = {}
self.idBackMap = {}
self.nextId = 101
def close(self):
pass
def refName(self, oid):
if oid == None:
return "NULL"
return str(self.displayObjId(oid.index()))
def valueDisplay(self, classKey, key, value):
if value == None:
return "<NULL>"
for kind in range(2):
schema = self.schema[classKey][kind]
for item in schema:
if item[0] == key:
typecode = item[1]
unit = item[2]
if (typecode >= 1 and typecode <= 5) or typecode == 12 or typecode == 13 or \
(typecode >= 16 and typecode <= 19):
if unit == None or unit == self.lastUnit:
return str(value)
else:
self.lastUnit = unit
suffix = ""
if value != 1:
suffix = "s"
return str(value) + " " + unit + suffix
elif typecode == 6 or typecode == 7: # strings
return value
elif typecode == 8:
if value == 0:
return "--"
return self.disp.timestamp(value)
elif typecode == 9:
return str(value)
elif typecode == 10:
return self.refName(value)
elif typecode == 11:
if value == 0:
return "False"
else:
return "True"
elif typecode == 14:
return str(value)
elif typecode == 15:
return str(value)
return "*type-error*"
def getObjIndex(self, classKey, config):
""" Concatenate the values from index columns to form a unique object name """
result = ""
schemaConfig = self.schema[classKey][0]
for item in schemaConfig:
if item[5] == 1 and item[0] != "id":
if result != "":
result = result + "."
for key, val in config:
if key == item[0]:
result = result + self.valueDisplay(classKey, key, val)
return result
def getClassKey(self, className):
delimPos = className.find(":")
if delimPos == -1:
schemaRev = 0
delim = className.find(".")
if delim != -1:
schemaRev = int(className[delim + 1:])
name = className[0:delim]
else:
name = className
for key in self.schema:
if key[1] == name and self.schema[key][4] == schemaRev:
return key
else:
package = className[0:delimPos]
name = className[delimPos + 1:]
schemaRev = 0
delim = name.find(".")
if delim != -1:
schemaRev = int(name[delim + 1:])
name = name[0:delim]
for key in self.schema:
if key[0] == package and key[1] == name:
if self.schema[key][4] == schemaRev:
return key
return None
def classCompletions(self, prefix):
""" Provide a list of candidate class names for command completion """
self.lock.acquire()
complist = []
try:
for name in self.tables:
if name.find(prefix) == 0:
complist.append(name)
finally:
self.lock.release()
return complist
def typeName(self, typecode):
""" Convert type-codes to printable strings """
if typecode == 1:
return "uint8"
elif typecode == 2:
return "uint16"
elif typecode == 3:
return "uint32"
elif typecode == 4:
return "uint64"
elif typecode == 5:
return "bool"
elif typecode == 6:
return "short-string"
elif typecode == 7:
return "long-string"
elif typecode == 8:
return "abs-time"
elif typecode == 9:
return "delta-time"
elif typecode == 10:
return "reference"
elif typecode == 11:
return "boolean"
elif typecode == 12:
return "float"
elif typecode == 13:
return "double"
elif typecode == 14:
return "uuid"
elif typecode == 15:
return "field-table"
elif typecode == 16:
return "int8"
elif typecode == 17:
return "int16"
elif typecode == 18:
return "int32"
elif typecode == 19:
return "int64"
elif typecode == 20:
return "object"
elif typecode == 21:
return "list"
elif typecode == 22:
return "array"
else:
raise ValueError("Invalid type code: %d" % typecode)
def accessName(self, code):
""" Convert element access codes to printable strings """
if code == 1:
return "ReadCreate"
elif code == 2:
return "ReadWrite"
elif code == 3:
return "ReadOnly"
else:
raise ValueError("Invalid access code: %d" % code)
def notNone(self, text):
if text == None:
return ""
else:
return text
def isOid(self, id):
for char in str(id):
if not char.isdigit() and not char == '-':
return False
return True
def listOfIds(self, classKey, tokens):
""" Generate a tuple of object ids for a classname based on command tokens. """
list = []
if len(tokens) == 0 or tokens[0] == "all":
for id in self.tables[classKey]:
list.append(self.displayObjId(id))
elif tokens[0] == "active":
for id in self.tables[classKey]:
if self.tables[classKey][id][0][2] == 0:
list.append(self.displayObjId(id))
else:
for token in tokens:
if self.isOid(token):
if token.find("-") != -1:
ids = token.split("-", 2)
for id in range(int(ids[0]), int(ids[1]) + 1):
if self.getClassForId(self.rawObjId(
long(id))) == classKey:
list.append(id)
else:
list.append(int(token))
list.sort()
result = ()
for item in list:
result = result + (item, )
return result
def listClasses(self):
""" Generate a display of the list of classes """
self.lock.acquire()
try:
rows = []
sorted = self.tables.keys()
sorted.sort()
for name in sorted:
active = 0
deleted = 0
for record in self.tables[name]:
isdel = False
ts = self.tables[name][record][0]
if ts[2] > 0:
isdel = True
if isdel:
deleted = deleted + 1
else:
active = active + 1
rows.append((self.displayClassName(name), active, deleted))
if len(rows) != 0:
self.disp.table("Management Object Types:",
("ObjectType", "Active", "Deleted"), rows)
else:
print "Waiting for next periodic update"
finally:
self.lock.release()
def listObjects(self, tokens):
""" Generate a display of a list of objects in a class """
if len(tokens) == 0:
print "Error - No class name provided"
return
self.lock.acquire()
try:
classKey = self.getClassKey(tokens[0])
if classKey == None:
print("Object type %s not known" % tokens[0])
else:
rows = []
if classKey in self.tables:
ids = self.listOfIds(classKey, tokens[1:])
for objId in ids:
(ts, config, inst) = self.tables[classKey][
self.rawObjId(objId).index()]
createTime = self.disp.timestamp(ts[1])
destroyTime = "-"
if ts[2] > 0:
destroyTime = self.disp.timestamp(ts[2])
objIndex = self.getObjIndex(classKey, config)
row = (objId, createTime, destroyTime, objIndex)
rows.append(row)
self.disp.table(
"Objects of type %s" % self.displayClassName(classKey),
("ID", "Created", "Destroyed", "Index"), rows)
finally:
self.lock.release()
def showObjects(self, tokens):
""" Generate a display of object data for a particular class """
self.lock.acquire()
try:
self.lastUnit = None
if self.isOid(tokens[0]):
if tokens[0].find("-") != -1:
rootId = int(tokens[0][0:tokens[0].find("-")])
else:
rootId = int(tokens[0])
classKey = self.getClassForId(self.rawObjId(rootId))
remaining = tokens
if classKey == None:
print "Id not known: %d" % int(tokens[0])
raise ValueError()
else:
classKey = self.getClassKey(tokens[0])
remaining = tokens[1:]
if classKey not in self.tables:
print "Class not known: %s" % tokens[0]
raise ValueError()
userIds = self.listOfIds(classKey, remaining)
if len(userIds) == 0:
print "No object IDs supplied"
raise ValueError()
ids = []
for id in userIds:
if self.getClassForId(self.rawObjId(long(id))) == classKey:
ids.append(self.rawObjId(long(id)))
rows = []
timestamp = None
config = self.tables[classKey][ids[0].index()][1]
for eIdx in range(len(config)):
key = config[eIdx][0]
if key != "id":
row = ("property", key)
for id in ids:
if timestamp == None or \
timestamp < self.tables[classKey][id.index()][0][0]:
timestamp = self.tables[classKey][id.index()][0][0]
(key,
value) = self.tables[classKey][id.index()][1][eIdx]
row = row + (self.valueDisplay(classKey, key, value), )
rows.append(row)
inst = self.tables[classKey][ids[0].index()][2]
for eIdx in range(len(inst)):
key = inst[eIdx][0]
if key != "id":
row = ("statistic", key)
for id in ids:
(key,
value) = self.tables[classKey][id.index()][2][eIdx]
row = row + (self.valueDisplay(classKey, key, value), )
rows.append(row)
titleRow = ("Type", "Element")
for id in ids:
titleRow = titleRow + (self.refName(id), )
caption = "Object of type %s:" % self.displayClassName(classKey)
if timestamp != None:
caption = caption + " (last sample time: " + self.disp.timestamp(
timestamp) + ")"
self.disp.table(caption, titleRow, rows)
except:
pass
self.lock.release()
def schemaSummary(self):
""" Generate a display of the list of classes in the schema """
self.lock.acquire()
try:
rows = []
sorted = self.schema.keys()
sorted.sort()
for classKey in sorted:
tuple = self.schema[classKey]
row = (self.displayClassName(classKey), len(tuple[0]),
len(tuple[1]), len(tuple[2]))
rows.append(row)
self.disp.table("Classes in Schema:",
("Class", "Properties", "Statistics", "Methods"),
rows)
finally:
self.lock.release()
def schemaTable(self, className):
""" Generate a display of details of the schema of a particular class """
self.lock.acquire()
try:
classKey = self.getClassKey(className)
if classKey == None:
print("Class name %s not known" % className)
raise ValueError()
rows = []
schemaRev = self.schema[classKey][4]
for config in self.schema[classKey][0]:
name = config[0]
if name != "id":
typename = self.typeName(config[1])
unit = self.notNone(config[2])
desc = self.notNone(config[3])
access = self.accessName(config[4])
extra = ""
if config[5] == 1:
extra += "index "
if config[6] != None:
extra += "Min: " + str(config[6]) + " "
if config[7] != None:
extra += "Max: " + str(config[7]) + " "
if config[8] != None:
extra += "MaxLen: " + str(config[8]) + " "
if config[9] == 1:
extra += "optional "
rows.append((name, typename, unit, access, extra, desc))
for config in self.schema[classKey][1]:
name = config[0]
if name != "id":
typename = self.typeName(config[1])
unit = self.notNone(config[2])
desc = self.notNone(config[3])
rows.append((name, typename, unit, "", "", desc))
titles = ("Element", "Type", "Unit", "Access", "Notes",
"Description")
self.disp.table(
"Schema for class '%s':" % self.displayClassName(classKey),
titles, rows)
for mname in self.schema[classKey][2]:
(mdesc, args) = self.schema[classKey][2][mname]
caption = "\nMethod '%s' %s" % (mname, self.notNone(mdesc))
rows = []
for arg in args:
name = arg[0]
typename = self.typeName(arg[1])
dir = arg[2]
unit = self.notNone(arg[3])
desc = self.notNone(arg[4])
extra = ""
if arg[5] != None:
extra = extra + "Min: " + str(arg[5])
if arg[6] != None:
extra = extra + "Max: " + str(arg[6])
if arg[7] != None:
extra = extra + "MaxLen: " + str(arg[7])
if arg[8] != None:
extra = extra + "Default: " + str(arg[8])
rows.append((name, typename, dir, unit, extra, desc))
titles = ("Argument", "Type", "Direction", "Unit", "Notes",
"Description")
self.disp.table(caption, titles, rows)
except Exception, e:
pass
self.lock.release()
broker_info['queue'] = broker_info['broker_queue']
except ConfigError, error:
print '%s' % error.msg
print 'Attempting to retrieve config from %s' % conf_file
try:
broker_info = read_config_file(conf_file, 'Broker')
except ConfigError, error:
print '%s' % error.msg
print 'Exiting'
return(FAILURE)
replyTo = str(uuid4())
# Create a client and log in to it.
connection = Connection(sock=connect(str(broker_info['ip']), int(broker_info['port'])))
connection.start()
session = connection.session(str(uuid4()))
session.queue_declare(queue=replyTo, exclusive=True, auto_delete=True)
session.queue_declare(queue=broker_info['queue'], exclusive=False, durable="true")
session.exchange_bind(exchange='amq.direct', queue=broker_info['queue'], binding_key='grid')
session.exchange_bind(exchange='amq.direct', queue=replyTo, binding_key=replyTo)
# Create the local queue. Use the queue name as destination name
dest = replyTo
recv_queue = session.incoming(dest)
print 'Messages queue: ' + dest
# Subscribe the local queue to the queue on the server
session.message_subscribe(queue=replyTo, destination=dest, accept_mode=session.accept_mode.explicit)
def dump_queue(binfo, queue_name, to):
# Create a client and log in to it.
child_connection = Connection(sock=connect(str(binfo['ip']), int(binfo['port'])))
child_connection.start()
child_session = child_connection.session(str(uuid4()))
child_session.queue_declare(queue=queue_name, exclusive=True)
child_session.exchange_bind(exchange='amq.direct', queue=queue_name, binding_key=queue_name)
print 'Messages queue: ' + queue_name
# Create the local queue. Use the queue name as destination name
dest = queue_name
queue = child_session.incoming(dest)
# Subscribe the local queue to the queue on the server
child_session.message_subscribe(queue=queue_name, destination=dest, accept_mode=child_session.accept_mode.explicit)
child_session.message_flow(dest, child_session.credit_unit.message, 0xFFFFFFFFL)
child_session.message_flow(dest, child_session.credit_unit.byte, 0xFFFFFFFFL)
# Read responses as they come in and print to the screen.
message = 0
count = 0
while True:
try:
message = queue.get(timeout=to)
count = count + 1
if count == 1:
print 'Received first reponse: %s ' % str(time.time())
except Empty:
print 'Received %s messages: %s' % (str(count), str(time.time() - to))
break
# except qpid.session.Closed:
# print "Re-establishing"
# try:
# child_connection.close()
# except:
# pass
#
# # Give broker time to stablize and accept connections
# time.sleep(2)
# child_connection = Connection(sock=connect(str(binfo['ip']), int(binfo['port'])))
# child_connection.start()
# child_session = child_connection.session(str(uuid4()))
# child_session.queue_declare(queue=queue_name, exclusive=True)
# child_session.exchange_bind(exchange='amq.direct', queue=queue_name, binding_key=queue_name)
#
# # Create the local queue. Use the queue name as destination name
# queue = child_session.incoming(dest)
#
# # Subscribe the local queue to the queue on the server
# child_session.message_subscribe(queue=queue_name, destination=dest, accept_mode=child_session.accept_mode.explicit)
# child_session.message_flow(dest, child_session.credit_unit.message, 0xFFFFFFFFL)
# child_session.message_flow(dest, child_session.credit_unit.byte, 0xFFFFFFFFL)
except:
print 'Unexpected exception!'
break
if message != 0:
child_session.message_accept(RangedSet(message.id))
child_session.close(timeout=10)
child_connection.close()
return (0)
import qpid.delegate
import time
from qpid.datatypes import Message, RangedSet, serial
from qpid.ops import *
logging.basicConfig(level=logging.DEBUG)
address = "amq.topic"
sock = connect("127.0.0.1", "5672")
conn = Connection(sock,
username="******",
password="******",
vhost="/ssw",
client_properties={"client_process": "aa"})
conn.start(timeout=10000)
session = conn.session("PYTHON_SESSION")
time.sleep(5)
session.queue_declare(queue="test-queue", exclusive=True, auto_delete=True)
session.exchange_declare("test", "direct")
session.exchange_bind(queue="test-queue", exchange="test", binding_key="key")
session.message_subscribe(queue="test-queue",
destination="consumer_tag",
accept_mode=session.accept_mode.none,
acquire_mode=session.acquire_mode.pre_acquired)
session.message_flow(destination="consumer_tag",
unit=session.credit_unit.message,
def get_session(self, user, passwd):
socket = connect(self.broker.host, self.broker.port)
connection = Connection (sock=socket, username=user, password=passwd,
mechanism="PLAIN")
connection.start()
return connection.session(str(uuid4()))
# Any functions and classes needed for a given example # go here. #----- Initialization ----------------------------------- # Set parameters for login host = "127.0.0.1" port = 5672 user = "******" password = "******" # Create a connection and a session. The constructor for a session # requires a UUID to uniquely identify the session. socket = connect(host, port) connection = Connection(sock=socket) connection.start() session = connection.session(str(uuid4())) print connection #----- Main Body of Program -------------------------------- # Main body of each example goes here #----- Cleanup --------------------------------------------- # Close the session before exiting so there are no open threads. session.close(timeout=10)
def dump_queue(queue, ses, con, num_msgs, to, dest, broker):
# Read responses as they come in and print to the screen.
message = 0
count = 0
expected = 2*int(num_msgs)
while True:
try:
message = queue.get(timeout=to)
content = message.body
count = count + 1
job_data = message.get('message_properties').application_headers
print 'Reply Message ID: ' + str(message.get('message_properties').message_id)
print 'Correlation ID: ' + str(message.get('message_properties').correlation_id)
print 'Headers:'
for header in job_data.keys():
print header + ': ' + str(job_data[header])
# print ''
# print 'Body: '
# print content
print ''
except Empty:
if count < expected:
print 'Only received %d messages but expected %d. TEST FAILED!' % (count, expected)
else:
print 'Received %d messages. TEST PASSED.' % count
break
except qpid.session.Closed:
try:
con.close()
except:
pass
# Give broker time to stablize and accept connections
time.sleep(2)
con = Connection(sock=connect(str(broker['ip']), int(broker['port'])))
con.start()
ses = con.session(str(uuid4()))
ses.queue_declare(queue=dest, exclusive=True)
ses.queue_declare(queue=broker['queue'], exclusive=False, durable=True)
ses.exchange_bind(exchange='amq.direct', queue=broker['queue'], binding_key='grid')
ses.exchange_bind(exchange='amq.direct', queue=dest, binding_key=dest)
# Create the local queue. Use the queue name as destination name
queue = ses.incoming(dest)
# Subscribe the local queue to the queue on the server
ses.message_subscribe(queue=dest, destination=dest, accept_mode=ses.accept_mode.explicit)
ses.message_flow(dest, ses.credit_unit.message, 0xFFFFFFFFL)
ses.message_flow(dest, ses.credit_unit.byte, 0xFFFFFFFFL)
except:
print 'Unexpected exception!'
break
if message != 0:
ses.message_accept(RangedSet(message.id))
return (0)
class ManagementData:
#
# Data Structure:
#
# Please note that this data structure holds only the most recent
# configuration and instrumentation data for each object. It does
# not hold the detailed historical data that is sent from the broker.
# The only historical data it keeps are the high and low watermarks
# for hi-lo statistics.
#
# tables :== {class-key}
# {<obj-id>}
# (timestamp, config-record, inst-record)
# class-key :== (<package-name>, <class-name>, <class-hash>)
# timestamp :== (<last-interval-time>, <create-time>, <delete-time>)
# config-record :== [element]
# inst-record :== [element]
# element :== (<element-name>, <element-value>)
#
def registerObjId (self, objId):
if not objId.index() in self.idBackMap:
self.idBackMap[objId.index()] = self.nextId
self.idMap[self.nextId] = objId
self.nextId += 1
def displayObjId (self, objIdIndex):
if objIdIndex in self.idBackMap:
return self.idBackMap[objIdIndex]
else:
return 0
def rawObjId (self, displayId):
if displayId in self.idMap:
return self.idMap[displayId]
else:
return None
def displayClassName (self, cls):
(packageName, className, hash) = cls
rev = self.schema[cls][4]
if rev == 0:
suffix = ""
else:
suffix = ".%d" % rev
return packageName + ":" + className + suffix
def dataHandler (self, context, className, list, timestamps):
""" Callback for configuration and instrumentation data updates """
self.lock.acquire ()
try:
# If this class has not been seen before, create an empty dictionary to
# hold objects of this class
if className not in self.tables:
self.tables[className] = {}
# Register the ID so a more friendly presentation can be displayed
objId = list[0][1]
oidx = objId.index()
self.registerObjId (objId)
# If this object hasn't been seen before, create a new object record with
# the timestamps and empty lists for configuration and instrumentation data.
if oidx not in self.tables[className]:
self.tables[className][oidx] = (timestamps, [], [])
(unused, oldConf, oldInst) = self.tables[className][oidx]
# For config updates, simply replace old config list with the new one.
if context == 0: #config
self.tables[className][oidx] = (timestamps, list, oldInst)
# For instrumentation updates, carry the minimum and maximum values for
# "hi-lo" stats forward.
elif context == 1: #inst
if len (oldInst) == 0:
newInst = list
else:
newInst = []
for idx in range (len (list)):
(key, value) = list[idx]
if key.find ("High") == len (key) - 4:
if oldInst[idx][1] > value:
value = oldInst[idx][1]
if key.find ("Low") == len (key) - 3:
if oldInst[idx][1] < value:
value = oldInst[idx][1]
newInst.append ((key, value))
self.tables[className][oidx] = (timestamps, oldConf, newInst)
finally:
self.lock.release ()
def ctrlHandler (self, context, op, data):
if op == self.mclient.CTRL_BROKER_INFO:
pass
elif op == self.mclient.CTRL_HEARTBEAT:
pass
def configHandler (self, context, className, list, timestamps):
self.dataHandler (0, className, list, timestamps);
def instHandler (self, context, className, list, timestamps):
self.dataHandler (1, className, list, timestamps);
def methodReply (self, broker, sequence, status, sText, args):
""" Callback for method-reply messages """
self.lock.acquire ()
try:
line = "Call Result: " + self.methodsPending[sequence] + \
" " + str (status) + " (" + sText + ")"
print line, args
del self.methodsPending[sequence]
finally:
self.lock.release ()
def closeHandler (self, context, reason):
if self.operational:
print "Connection to broker lost:", reason
self.operational = False
if self.cli != None:
self.cli.setPromptMessage ("Broker Disconnected")
def schemaHandler (self, context, classKey, configs, insts, methods, events):
""" Callback for schema updates """
if classKey not in self.schema:
schemaRev = 0
for key in self.schema:
if classKey[0] == key[0] and classKey[1] == key[1]:
schemaRev += 1
self.schema[classKey] = (configs, insts, methods, events, schemaRev)
def setCli (self, cliobj):
self.cli = cliobj
def __init__ (self, disp, host, username="******", password="******"):
self.lock = Lock ()
self.tables = {}
self.schema = {}
self.bootSequence = 0
self.operational = False
self.disp = disp
self.cli = None
self.lastUnit = None
self.methodSeq = 1
self.methodsPending = {}
self.sessionId = "%s.%d" % (platform.uname()[1], os.getpid())
self.broker = Broker (host)
sock = connect (self.broker.host, self.broker.port)
oldTimeout = sock.gettimeout()
sock.settimeout(10)
self.conn = Connection (sock,
username=self.broker.username, password=self.broker.password)
def aborted():
raise Timeout("Waiting for connection to be established with broker")
oldAborted = self.conn.aborted
self.conn.aborted = aborted
self.conn.start ()
sock.settimeout(oldTimeout)
self.conn.aborted = oldAborted
self.mclient = managementClient ("unused", self.ctrlHandler, self.configHandler,
self.instHandler, self.methodReply, self.closeHandler)
self.mclient.schemaListener (self.schemaHandler)
self.mch = self.mclient.addChannel (self.conn.session(self.sessionId))
self.operational = True
self.idMap = {}
self.idBackMap = {}
self.nextId = 101
def close (self):
pass
def refName (self, oid):
if oid == None:
return "NULL"
return str (self.displayObjId (oid.index()))
def valueDisplay (self, classKey, key, value):
if value == None:
return "<NULL>"
for kind in range (2):
schema = self.schema[classKey][kind]
for item in schema:
if item[0] == key:
typecode = item[1]
unit = item[2]
if (typecode >= 1 and typecode <= 5) or typecode == 12 or typecode == 13 or \
(typecode >= 16 and typecode <= 19):
if unit == None or unit == self.lastUnit:
return str (value)
else:
self.lastUnit = unit
suffix = ""
if value != 1:
suffix = "s"
return str (value) + " " + unit + suffix
elif typecode == 6 or typecode == 7: # strings
return value
elif typecode == 8:
if value == 0:
return "--"
return self.disp.timestamp (value)
elif typecode == 9:
return str (value)
elif typecode == 10:
return self.refName (value)
elif typecode == 11:
if value == 0:
return "False"
else:
return "True"
elif typecode == 14:
return str (value)
elif typecode == 15:
return str (value)
return "*type-error*"
def getObjIndex (self, classKey, config):
""" Concatenate the values from index columns to form a unique object name """
result = ""
schemaConfig = self.schema[classKey][0]
for item in schemaConfig:
if item[5] == 1 and item[0] != "id":
if result != "":
result = result + "."
for key,val in config:
if key == item[0]:
result = result + self.valueDisplay (classKey, key, val)
return result
def getClassKey (self, className):
delimPos = className.find(":")
if delimPos == -1:
schemaRev = 0
delim = className.find(".")
if delim != -1:
schemaRev = int(className[delim + 1:])
name = className[0:delim]
else:
name = className
for key in self.schema:
if key[1] == name and self.schema[key][4] == schemaRev:
return key
else:
package = className[0:delimPos]
name = className[delimPos + 1:]
schemaRev = 0
delim = name.find(".")
if delim != -1:
schemaRev = int(name[delim + 1:])
name = name[0:delim]
for key in self.schema:
if key[0] == package and key[1] == name:
if self.schema[key][4] == schemaRev:
return key
return None
def classCompletions (self, prefix):
""" Provide a list of candidate class names for command completion """
self.lock.acquire ()
complist = []
try:
for name in self.tables:
if name.find (prefix) == 0:
complist.append (name)
finally:
self.lock.release ()
return complist
def typeName (self, typecode):
""" Convert type-codes to printable strings """
if typecode == 1:
return "uint8"
elif typecode == 2:
return "uint16"
elif typecode == 3:
return "uint32"
elif typecode == 4:
return "uint64"
elif typecode == 5:
return "bool"
elif typecode == 6:
return "short-string"
elif typecode == 7:
return "long-string"
elif typecode == 8:
return "abs-time"
elif typecode == 9:
return "delta-time"
elif typecode == 10:
return "reference"
elif typecode == 11:
return "boolean"
elif typecode == 12:
return "float"
elif typecode == 13:
return "double"
elif typecode == 14:
return "uuid"
elif typecode == 15:
return "field-table"
elif typecode == 16:
return "int8"
elif typecode == 17:
return "int16"
elif typecode == 18:
return "int32"
elif typecode == 19:
return "int64"
elif typecode == 20:
return "object"
elif typecode == 21:
return "list"
elif typecode == 22:
return "array"
else:
raise ValueError ("Invalid type code: %d" % typecode)
def accessName (self, code):
""" Convert element access codes to printable strings """
if code == 1:
return "ReadCreate"
elif code == 2:
return "ReadWrite"
elif code == 3:
return "ReadOnly"
else:
raise ValueError ("Invalid access code: %d" %code)
def notNone (self, text):
if text == None:
return ""
else:
return text
def isOid (self, id):
for char in str (id):
if not char.isdigit () and not char == '-':
return False
return True
def listOfIds (self, classKey, tokens):
""" Generate a tuple of object ids for a classname based on command tokens. """
list = []
if len(tokens) == 0 or tokens[0] == "all":
for id in self.tables[classKey]:
list.append (self.displayObjId (id))
elif tokens[0] == "active":
for id in self.tables[classKey]:
if self.tables[classKey][id][0][2] == 0:
list.append (self.displayObjId (id))
else:
for token in tokens:
if self.isOid (token):
if token.find ("-") != -1:
ids = token.split("-", 2)
for id in range (int (ids[0]), int (ids[1]) + 1):
if self.getClassForId (self.rawObjId (long (id))) == classKey:
list.append (id)
else:
list.append (int(token))
list.sort ()
result = ()
for item in list:
result = result + (item,)
return result
def listClasses (self):
""" Generate a display of the list of classes """
self.lock.acquire ()
try:
rows = []
sorted = self.tables.keys ()
sorted.sort ()
for name in sorted:
active = 0
deleted = 0
for record in self.tables[name]:
isdel = False
ts = self.tables[name][record][0]
if ts[2] > 0:
isdel = True
if isdel:
deleted = deleted + 1
else:
active = active + 1
rows.append ((self.displayClassName (name), active, deleted))
if len (rows) != 0:
self.disp.table ("Management Object Types:",
("ObjectType", "Active", "Deleted"), rows)
else:
print "Waiting for next periodic update"
finally:
self.lock.release ()
def listObjects (self, tokens):
""" Generate a display of a list of objects in a class """
if len(tokens) == 0:
print "Error - No class name provided"
return
self.lock.acquire ()
try:
classKey = self.getClassKey (tokens[0])
if classKey == None:
print ("Object type %s not known" % tokens[0])
else:
rows = []
if classKey in self.tables:
ids = self.listOfIds(classKey, tokens[1:])
for objId in ids:
(ts, config, inst) = self.tables[classKey][self.rawObjId(objId).index()]
createTime = self.disp.timestamp (ts[1])
destroyTime = "-"
if ts[2] > 0:
destroyTime = self.disp.timestamp (ts[2])
objIndex = self.getObjIndex (classKey, config)
row = (objId, createTime, destroyTime, objIndex)
rows.append (row)
self.disp.table ("Objects of type %s" % self.displayClassName(classKey),
("ID", "Created", "Destroyed", "Index"),
rows)
finally:
self.lock.release ()
def showObjects (self, tokens):
""" Generate a display of object data for a particular class """
self.lock.acquire ()
try:
self.lastUnit = None
if self.isOid (tokens[0]):
if tokens[0].find ("-") != -1:
rootId = int (tokens[0][0:tokens[0].find ("-")])
else:
rootId = int (tokens[0])
classKey = self.getClassForId (self.rawObjId (rootId))
remaining = tokens
if classKey == None:
print "Id not known: %d" % int (tokens[0])
raise ValueError ()
else:
classKey = self.getClassKey (tokens[0])
remaining = tokens[1:]
if classKey not in self.tables:
print "Class not known: %s" % tokens[0]
raise ValueError ()
userIds = self.listOfIds (classKey, remaining)
if len (userIds) == 0:
print "No object IDs supplied"
raise ValueError ()
ids = []
for id in userIds:
if self.getClassForId (self.rawObjId (long (id))) == classKey:
ids.append (self.rawObjId (long (id)))
rows = []
timestamp = None
config = self.tables[classKey][ids[0].index()][1]
for eIdx in range (len (config)):
key = config[eIdx][0]
if key != "id":
row = ("property", key)
for id in ids:
if timestamp == None or \
timestamp < self.tables[classKey][id.index()][0][0]:
timestamp = self.tables[classKey][id.index()][0][0]
(key, value) = self.tables[classKey][id.index()][1][eIdx]
row = row + (self.valueDisplay (classKey, key, value),)
rows.append (row)
inst = self.tables[classKey][ids[0].index()][2]
for eIdx in range (len (inst)):
key = inst[eIdx][0]
if key != "id":
row = ("statistic", key)
for id in ids:
(key, value) = self.tables[classKey][id.index()][2][eIdx]
row = row + (self.valueDisplay (classKey, key, value),)
rows.append (row)
titleRow = ("Type", "Element")
for id in ids:
titleRow = titleRow + (self.refName(id),)
caption = "Object of type %s:" % self.displayClassName(classKey)
if timestamp != None:
caption = caption + " (last sample time: " + self.disp.timestamp (timestamp) + ")"
self.disp.table (caption, titleRow, rows)
except:
pass
self.lock.release ()
def schemaSummary (self):
""" Generate a display of the list of classes in the schema """
self.lock.acquire ()
try:
rows = []
sorted = self.schema.keys ()
sorted.sort ()
for classKey in sorted:
tuple = self.schema[classKey]
row = (self.displayClassName(classKey), len (tuple[0]), len (tuple[1]),
len (tuple[2]))
rows.append (row)
self.disp.table ("Classes in Schema:",
("Class", "Properties", "Statistics", "Methods"),
rows)
finally:
self.lock.release ()
def schemaTable (self, className):
""" Generate a display of details of the schema of a particular class """
self.lock.acquire ()
try:
classKey = self.getClassKey (className)
if classKey == None:
print ("Class name %s not known" % className)
raise ValueError ()
rows = []
schemaRev = self.schema[classKey][4]
for config in self.schema[classKey][0]:
name = config[0]
if name != "id":
typename = self.typeName(config[1])
unit = self.notNone (config[2])
desc = self.notNone (config[3])
access = self.accessName (config[4])
extra = ""
if config[5] == 1:
extra += "index "
if config[6] != None:
extra += "Min: " + str(config[6]) + " "
if config[7] != None:
extra += "Max: " + str(config[7]) + " "
if config[8] != None:
extra += "MaxLen: " + str(config[8]) + " "
if config[9] == 1:
extra += "optional "
rows.append ((name, typename, unit, access, extra, desc))
for config in self.schema[classKey][1]:
name = config[0]
if name != "id":
typename = self.typeName(config[1])
unit = self.notNone (config[2])
desc = self.notNone (config[3])
rows.append ((name, typename, unit, "", "", desc))
titles = ("Element", "Type", "Unit", "Access", "Notes", "Description")
self.disp.table ("Schema for class '%s':" % self.displayClassName(classKey), titles, rows)
for mname in self.schema[classKey][2]:
(mdesc, args) = self.schema[classKey][2][mname]
caption = "\nMethod '%s' %s" % (mname, self.notNone (mdesc))
rows = []
for arg in args:
name = arg[0]
typename = self.typeName (arg[1])
dir = arg[2]
unit = self.notNone (arg[3])
desc = self.notNone (arg[4])
extra = ""
if arg[5] != None:
extra = extra + "Min: " + str (arg[5])
if arg[6] != None:
extra = extra + "Max: " + str (arg[6])
if arg[7] != None:
extra = extra + "MaxLen: " + str (arg[7])
if arg[8] != None:
extra = extra + "Default: " + str (arg[8])
rows.append ((name, typename, dir, unit, extra, desc))
titles = ("Argument", "Type", "Direction", "Unit", "Notes", "Description")
self.disp.table (caption, titles, rows)
except Exception,e:
pass
self.lock.release ()