BEAM architecture handbook - Andrea Leopardi | Elixir Club Ukraine
0 likes340 views
The document contains Erlang code snippets for handling messages in a process. It includes message handling for known and unknown messages, monitoring a consumer node, and acknowledging received messages. Additionally, it provides mechanisms to handle failures by giving messages to another consumer when necessary.
1 of 108
Download to read offline
![Node.monitor(consumer_node, true)
monitor_ref = Process.monitor(consumer_pid)
send(consumer_pid, {monitor_ref, message})
receive do
{:ack, ^monitor_ref} ->
Process.demonitor(monitor_ref, [:flush])
{:DOWN, ^monitor_ref, _, _, _} ->
give_to_another_consumer(message)
{:nodedown, ^consumer_node} ->
give_to_another_consumer(message)
end](https://image.slidesharecdn.com/beamarchitecturehandbook-andrealeopardi-191002125334/85/BEAM-architecture-handbook-Andrea-Leopardi-Elixir-Club-Ukraine-81-320.jpg)
More Related Content
More from Elixir Club (20)
Ad
Recently uploaded (20)
Ad
BEAM architecture handbook - Andrea Leopardi | Elixir Club Ukraine
- 31. receive do :some_message -> # ... :other_message -> # ... end
- 32. def handle_info(:some_message, state) do # ... end def handle_info(:other_message, state) do # ... end def handle_info(unknown, state) do Logger.warn("Unknown message") {:noreply, state} end
- 81. Node.monitor(consumer_node, true) monitor_ref = Process.monitor(consumer_pid) send(consumer_pid, {monitor_ref, message}) receive do {:ack, ^monitor_ref} -> Process.demonitor(monitor_ref, [:flush]) {:DOWN, ^monitor_ref, _, _, _} -> give_to_another_consumer(message) {:nodedown, ^consumer_node} -> give_to_another_consumer(message) end