Graham McIntire
288b9fbbb2
- Fix SQL injection in partition_manager, db_optimizer, and release.ex - Fix XSS vulnerabilities with proper HTML escaping in LiveViews - Add proper error handling for email delivery functions - Fix race conditions with advisory locks and atomic operations - Replace unsupervised spawn/Task.start with supervised alternatives - Convert ETS operations to GenServer serialization for thread safety - Change ETS tables from :public to :protected access - Add client limits to prevent unbounded memory growth - Add PubSub cleanup in GenServer terminate callbacks - Fix device upsert to use atomic Repo.insert_all
51 lines
1.3 KiB
Elixir
51 lines
1.3 KiB
Elixir
defmodule Aprsme.Cluster.PacketDistributor do
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@moduledoc """
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Distributes APRS packets from the leader node to all cluster members.
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This ensures all nodes can serve real-time updates via LiveView while
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only the leader maintains the APRS-IS connection.
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"""
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use GenServer
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alias Aprsme.Cluster.LeaderElection
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@pubsub_topic "cluster:packets"
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def start_link(opts) do
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GenServer.start_link(__MODULE__, opts, name: __MODULE__)
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end
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def distribute_packet(packet) do
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cluster_enabled = Application.get_env(:aprsme, :cluster_enabled, false)
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if cluster_enabled and LeaderElection.leader_cached?() do
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Phoenix.PubSub.broadcast(
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Aprsme.PubSub,
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@pubsub_topic,
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{:distributed_packet, packet}
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)
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end
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end
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def subscribe do
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Phoenix.PubSub.subscribe(Aprsme.PubSub, @pubsub_topic)
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end
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def handle_distributed_packet({:distributed_packet, packet}) do
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Aprsme.StreamingPacketsPubSub.broadcast_packet(packet)
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Aprsme.SpatialPubSub.broadcast_packet(packet)
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:ok
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end
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@impl true
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def init(_opts) do
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Phoenix.PubSub.subscribe(Aprsme.PubSub, @pubsub_topic)
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{:ok, %{}}
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end
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@impl true
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def terminate(_reason, _state) do
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Phoenix.PubSub.unsubscribe(Aprsme.PubSub, @pubsub_topic)
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:ok
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end
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end
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