Messengers to generate communication payloads

The messenger functions are defined in the messengers.py file, which can be found in the lib/util folder of the fl_main directory.

Importing libraries for messengers

In this messengers.py code example, the file imports general libraries, such as time and numpy. It also imports ModelType, DBMsgType, AgentMsgType, and AggMsgType, which were defined in the Enumeration classes for implementing the FL system section in this chapter:

import time
import numpy as np
from typing import Dict, List, Any
from fl_main.lib.util.states import \
    ModelType, DBMsgType, AgentMsgType, AggMsgType

Next, let’s move on to the list of functions of the messengers library.

Functions of messengers

The following is a list of functions related to the messengers library.

The generate_db_push_message function

The generate_db_push_message function generates and returns a message for pushing the message containing ML...