aprs.me/lib/aprsme/cluster/packet_distributor.ex
Graham McIntire 81a4b7b815
Fix credo issues
- Remove trailing whitespace from comments
- Fix long line in packet_processor.ex
- Rename is_leader? to leader? following Elixir conventions
2026-02-09 11:17:56 -06:00

40 lines
1.2 KiB
Elixir

defmodule Aprsme.Cluster.PacketDistributor do
@moduledoc """
Distributes APRS packets from the leader node to all cluster members.
This ensures all nodes can serve real-time updates via LiveView while
only the leader maintains the APRS-IS connection.
"""
require Logger
@pubsub_topic "cluster:packets"
def distribute_packet(packet) do
# Only distribute if clustering is enabled and we're the leader
cluster_enabled = Application.get_env(:aprsme, :cluster_enabled, false)
if cluster_enabled and Aprsme.Cluster.LeaderElection.leader?() do
# Broadcast to all nodes including self
Phoenix.PubSub.broadcast(
Aprsme.PubSub,
@pubsub_topic,
{:distributed_packet, packet}
)
Logger.debug("Distributed packet #{packet.raw} to cluster")
end
end
def subscribe do
Phoenix.PubSub.subscribe(Aprsme.PubSub, @pubsub_topic)
end
def handle_distributed_packet({:distributed_packet, packet}) do
# Broadcast to local LiveView clients
Aprsme.StreamingPacketsPubSub.broadcast_packet(packet)
# Update packet store for LiveView
AprsmeWeb.MapLive.PacketStore.store_packet(packet)
Logger.debug("Received distributed packet on node #{node()}")
end
end