def parseMessageBCS(msg):
# Forward messages
if type(msg) == messages.Register: backup_servers.backupQueueAppend(copy.deepcopy(msg))
else: backup_servers.registerQueueAppend(copy.deepcopy(msg))
# Parse
if type(msg) == messages.Register:
if not msg.Deregister:
print("% -> Register component #{:d} - {:s}".format(msg.Id, msg.Type))
components.add(msg)
else:
print("% -> Deregister component #{:d} - {:s}".format(msg.Id, msg.Type))
component = components.get(msg.Id)
component.dead = True
problems.release(component.id)
elif type(msg) == messages.SolveRequest:
print("% -> SolveRequest")
problems.add(msg)
elif type(msg) == messages.SolvePartialProblems:
print("% -> SolvePartialProblems")
problem = problems.list[msg.Id]
problem.updateWithDivide(msg)
elif type(msg) == messages.Solutions:
print("% -> Solutions")
problem = problems.list[msg.Id]
problem.updateWithSolutions(msg)
elif type(msg) == messages.NoOperation:
print("% -> NoOperation")
# update backup server list
else:
print("% ? {:s}".format(str(msg)))
def registerTMCN(conn, msg):
id = components.add(msg)
print("-> Register :: #{id:d} Type: {type:s}".format(type=msg.Type, id=id))
response = messages.RegisterResponse(id, config.timeout, components.getBackupServersList())
conn.send(response)
backup_msg = copy.deepcopy(msg)
backup_msg.Id = id
backup_servers.registerQueueAppend(backup_msg)
def removeInactiveBackup(): if config.child_id != None: component = components.get(config.child_id) if not component.isAlive(2 * config.timeout * 1000): config.child_id = None config.child_address = None config.child_port = None deregister_msg = copy.deepcopy(component.registerMessage) deregister_msg.Id = component.id deregister_msg.Deregister = True if config.is_backup: backup_servers.parentQueueAppend(deregister_msg) else: backup_servers.registerQueueAppend(deregister_msg)
def removeInactiveComponents():
removeInactiveBackup()
if config.is_backup: return
for component in components.active():
# Wait twice the timeout, as nodes are sending state each timeout seconds
# Don't check CSs, as their state is updated only for the parent in backups list
if not component.isAlive(2 * config.timeout * 1000) and component.type != "CommunicationServer":
# Release all problems or tasks assigned to that component
problems.release(component.id)
print("Removing inactive component: #{:d} ({:s})".format(component.id, type(component).__name__))
# Backup message: remove component
backup_msg = copy.deepcopy(component.registerMessage)
backup_msg.Id = component.id
backup_msg.Deregister = True
backup_servers.registerQueueAppend(backup_msg)
