def reply(self, msg, operation, content, headers=None):
"""
@brief Replies to a given message, continuing the ongoing conversation
@retval Deferred or None
"""
ionMsg = msg.payload
recv = ionMsg.get('reply-to', None)
if not headers:
headers = {}
if recv == None:
logging.error('No reply-to given for message '+str(msg))
else:
headers['conv-id'] = ionMsg.get('conv-id','')
headers['conv-seq'] = int(ionMsg.get('conv-seq',0)) + 1
return self.send(pu.get_process_id(recv), operation, content, headers)
def __init__(self, receiver=None, spawnArgs=None):
"""
Initialize process using an optional receiver and optional spawn args
@param receiver instance of a Receiver for process control
@param spawnArgs standard and additional spawn arguments
"""
#logging.debug('BaseProcess.__init__()')
self.procState = "UNINITIALIZED"
spawnArgs = spawnArgs.copy() if spawnArgs else {}
self.spawnArgs = spawnArgs
self.init_time = pu.currenttime_ms()
# Name (human readable label) of this process.
self.procName = self.spawnArgs.get('proc-name', __name__)
# The system unique ID; propagates from root supv to all child procs
sysname = ioninit.cont_args.get('sysname', Container.id)
self.sysName = self.spawnArgs.get('sys-name', sysname)
# The process ID of the supervisor process
self.procSupId = pu.get_process_id(self.spawnArgs.get('sup-id', None))
if not receiver:
receiver = Receiver(self.procName)
self.receiver = receiver
receiver.handle(self.receive)
# Dict of all receivers of this process. Key is the name
self.receivers = {}
self.add_receiver(self.receiver)
# Dict of converations.
# @todo: make sure this is garbage collected once in a while
self.conversations = {}
# Conversations by conv-id for currently outstanding RPCs
self.rpc_conv = {}
# List of ProcessDesc instances of defined and spawned child processes
self.child_procs = []
logging.info("Process init'd: proc-name=%s, sup-id=%s, sys-name=%s" % (
self.procName, self.procSupId, self.sysName))