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new_relic_agent
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1.19.1
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1.17.0
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1.0.1
1.0.0
New Relic's Open-Source Elixir Agent
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lib/new_relic/harvest/harvester_store.ex
defmodule NewRelic.Harvest.HarvesterStore do
use GenServer
# Wrapper around an ETS table that tracks the current harvesters
@moduledoc false
def start_link(_) do
GenServer.start_link(__MODULE__, :ok, name: __MODULE__)
end
def init(:ok) do
NewRelic.sample_process()
:ets.new(__MODULE__, [:named_table, :set, :public, read_concurrency: true])
{:ok, %{}}
end
def current(harvester) do
case :ets.lookup(__MODULE__, harvester) do
[{^harvester, pid}] -> pid
_ -> nil
end
rescue
_ -> nil
end
def update(harvester, pid) do
:ets.insert(__MODULE__, {harvester, pid})
end
end