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)