ClientPeerUpdate message handler -- handles updating peers after signal from client nodes.

CloseClient - function to close the mq connection from server.

DefaultHandler default message queue handler -- NOT USED.

GetEmqxHandler - gets emqx handler.

decodes a message queue topic and returns the embedded node.ID.

HostUpdate -- publishes a host update to clients.

IsConnected - function for determining if the mqclient is connected or not.

IsConnectionOpen - function for determining if the mqclient is connected or not.

Keepalive -- periodically pings all nodes to let them know server is still alive and doing well.

NodeUpdate -- publishes a node update.

PublishDeletedClientPeerUpdate --- determines and publishes a peer update to all the hosts with a deleted ext client to account for.

PublishDeletedNodePeerUpdate --- determines and publishes a peer update to all the hosts with a deleted node to account for.

PublishMqUpdatesForDeletedNode - published all the required updates for deleted node.

PublishPeerUpdate --- determines and publishes a peer update to all the hosts.

PublishSingleHostPeerUpdate --- determines and publishes a peer update to one host.

ServerStartNotify - notifies all non server nodes to pull changes after a restart.

SetupMQTT creates a connection to broker and return client.

UpdateHost message Handler -- handles host updates from clients.

UpdateNode message Handler -- handles updates from client nodes.

timeout in seconds.

MQ_DISCONNECT - disconnects MQ.

MQ_TIMEOUT - timeout for MQ.

UpdateMetrics message Handler -- handles updates from client nodes for metrics.