analytics/Plausible.RateLimit.html
2024-08-26 11:02:11 +00:00

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<span translate="no">Plausible.RateLimit</span>
<small class="app-vsn" translate="no">(Plausible v0.0.1)</small>
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<p>Thin wrapper around <a href="https://www.erlang.org/doc/man/ets.html#update_counter-4"><code class="inline">:ets.update_counter/4</code></a> and a
clean-up process to act as a rate limiter.</p>
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<a href="#check_rate/5" translate="no">check_rate(table \\ __MODULE__, key, scale, limit, increment \\ 1)</a>
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<div class="summary-synopsis"><p>Checks the rate-limit for a key.</p></div>
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<a href="#child_spec/1" translate="no">child_spec(init_arg)</a>
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<div class="summary-synopsis"><p>Returns a specification to start this module under a supervisor.</p></div>
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<a href="#start_link/1" translate="no">start_link(opts)</a>
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<div class="summary-synopsis"><p>Starts the process that creates and cleans the ETS table.</p></div>
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<h1 class="signature" translate="no">check_rate(table \\ __MODULE__, key, scale, limit, increment \\ 1)</h1>
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<pre translate="no"><span class="attribute">@spec</span> check_rate(<a href="https://www.erlang.org/doc/man/ets.html#type-table">:ets.table</a>(), key, scale, limit, increment) ::
{:allow, count} | {:deny, limit}
when key: <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">term</a>(),
scale: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>(),
limit: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>(),
increment: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>(),
count: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>()</pre>
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<p>Checks the rate-limit for a key.</p>
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<h1 class="signature" translate="no">child_spec(init_arg)</h1>
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<p>Returns a specification to start this module under a supervisor.</p><p>See <a href="https://hexdocs.pm/elixir/Supervisor.html"><code class="inline">Supervisor</code></a>.</p>
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<pre translate="no"><span class="attribute">@spec</span> start_link([
<a href="https://hexdocs.pm/elixir/GenServer.html#t:option/0">GenServer.option</a>() | {:table, <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">atom</a>()} | {:clean_period, <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>()}
]) ::
<a href="https://hexdocs.pm/elixir/GenServer.html#t:on_start/0">GenServer.on_start</a>()</pre>
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<p>Starts the process that creates and cleans the ETS table.</p><p>Accepts the following options:</p><ul><li><code class="inline">GenServer.options()</code></li><li><code class="inline">:table</code> for the ETS table name, defaults to <a href="Plausible.RateLimit.html#content"><code class="inline">Elixir.Plausible.RateLimit</code></a></li><li><code class="inline">:clean_period</code> for how often to perform garbage collection</li></ul>
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