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author | Loïc Hoguin <[email protected]> | 2017-10-03 13:39:41 +0200 |
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committer | Loïc Hoguin <[email protected]> | 2017-10-03 13:39:41 +0200 |
commit | b5d4cb91f80c833795a2d87050c3674bb7aecdc5 (patch) | |
tree | 62bf0ad8326006fcd3407fcb7c34c844c0dc0874 /docs/en/ranch/1.2/guide/embedded/index.html | |
parent | 1f8d51dd2692fc3978080419987bbe4d49a41a90 (diff) | |
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diff --git a/docs/en/ranch/1.2/guide/embedded/index.html b/docs/en/ranch/1.2/guide/embedded/index.html index ac94bf2a..ff2cf499 100644 --- a/docs/en/ranch/1.2/guide/embedded/index.html +++ b/docs/en/ranch/1.2/guide/embedded/index.html @@ -7,7 +7,7 @@ <meta name="description" content=""> <meta name="author" content="Loïc Hoguin based on a design from (Soft10) Pol Cámara"> - <meta name="generator" content="Hugo 0.17" /> + <meta name="generator" content="Hugo 0.26" /> <title>Nine Nines: Embedded mode</title> @@ -67,54 +67,57 @@ <h1 class="lined-header"><span>Embedded mode</span></h1> -<div class="paragraph"><p>Embedded mode allows you to insert Ranch listeners directly
-in your supervision tree. This allows for greater fault tolerance
-control by permitting the shutdown of a listener due to the
-failure of another part of the application and vice versa.</p></div>
-<div class="sect1">
-<h2 id="_embedding">Embedding</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>To embed Ranch in your application you can simply add the child specs
-to your supervision tree. This can all be done in the <code>init/1</code> function
-of one of your application supervisors.</p></div>
-<div class="paragraph"><p>Ranch requires at the minimum two kinds of child specs for embedding.
-First, you need to add <code>ranch_sup</code> to your supervision tree, only once,
-regardless of the number of listeners you will use. Then you need to
-add the child specs for each listener.</p></div>
-<div class="paragraph"><p>Ranch has a convenience function for getting the listeners child specs
-called <code>ranch:child_spec/6</code>, that works like <code>ranch:start_listener/6</code>,
-except that it doesn’t start anything, it only returns child specs.</p></div>
-<div class="paragraph"><p>As for <code>ranch_sup</code>, the child spec is simple enough to not require a
-convenience function.</p></div>
-<div class="paragraph"><p>The following example adds both <code>ranch_sup</code> and one listener to another
-application’s supervision tree.</p></div>
-<div class="listingblock">
-<div class="title">Embed Ranch directly in your supervision tree</div>
-<div class="content"><!-- Generator: GNU source-highlight 3.1.8
-by Lorenzo Bettini
-http://www.lorenzobettini.it
-http://www.gnu.org/software/src-highlite -->
-<pre><tt><span style="font-weight: bold"><span style="color: #000000">init</span></span>([]) <span style="color: #990000">-></span>
- <span style="color: #009900">RanchSupSpec</span> <span style="color: #990000">=</span> {<span style="color: #FF6600">ranch_sup</span>, {<span style="color: #FF6600">ranch_sup</span>, <span style="color: #FF6600">start_link</span>, []},
- <span style="color: #FF6600">permanent</span>, <span style="color: #993399">5000</span>, <span style="color: #FF6600">supervisor</span>, [<span style="color: #FF6600">ranch_sup</span>]},
- <span style="color: #009900">ListenerSpec</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">ranch:child_spec</span></span>(<span style="color: #FF6600">echo</span>, <span style="color: #993399">100</span>,
- <span style="color: #FF6600">ranch_tcp</span>, [{<span style="color: #FF6600">port</span>, <span style="color: #993399">5555</span>}],
- <span style="color: #FF6600">echo_protocol</span>, []
- ),
- {<span style="color: #FF6600">ok</span>, {{<span style="color: #FF6600">one_for_one</span>, <span style="color: #993399">10</span>, <span style="color: #993399">10</span>}, [<span style="color: #009900">RanchSupSpec</span>, <span style="color: #009900">ListenerSpec</span>]}}<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>Remember, you can add as many listener child specs as needed, but only
-one <code>ranch_sup</code> spec!</p></div>
-<div class="paragraph"><p>It is recommended that your architecture makes sure that all listeners
-are restarted if <code>ranch_sup</code> fails. See the Ranch internals chapter for
-more details on how Ranch does it.</p></div>
-</div>
-</div>
+<div class="paragraph"><p>Embedded mode allows you to insert Ranch listeners directly +in your supervision tree. This allows for greater fault tolerance +control by permitting the shutdown of a listener due to the +failure of another part of the application and vice versa.</p></div> +<div class="sect1"> +<h2 id="_embedding">Embedding</h2> +<div class="sectionbody"> +<div class="paragraph"><p>To embed Ranch in your application you can simply add the child specs +to your supervision tree. This can all be done in the <code>init/1</code> function +of one of your application supervisors.</p></div> +<div class="paragraph"><p>Ranch requires at the minimum two kinds of child specs for embedding. +First, you need to add <code>ranch_sup</code> to your supervision tree, only once, +regardless of the number of listeners you will use. Then you need to +add the child specs for each listener.</p></div> +<div class="paragraph"><p>Ranch has a convenience function for getting the listeners child specs +called <code>ranch:child_spec/6</code>, that works like <code>ranch:start_listener/6</code>, +except that it doesn’t start anything, it only returns child specs.</p></div> +<div class="paragraph"><p>As for <code>ranch_sup</code>, the child spec is simple enough to not require a +convenience function.</p></div> +<div class="paragraph"><p>The following example adds both <code>ranch_sup</code> and one listener to another +application’s supervision tree.</p></div> +<div class="listingblock"> +<div class="title">Embed Ranch directly in your supervision tree</div> +<div class="content"><!-- Generator: GNU source-highlight 3.1.8 +by Lorenzo Bettini +http://www.lorenzobettini.it +http://www.gnu.org/software/src-highlite --> +<pre><tt><span style="font-weight: bold"><span style="color: #000000">init</span></span>([]) <span style="color: #990000">-></span> + <span style="color: #009900">RanchSupSpec</span> <span style="color: #990000">=</span> {<span style="color: #FF6600">ranch_sup</span>, {<span style="color: #FF6600">ranch_sup</span>, <span style="color: #FF6600">start_link</span>, []}, + <span style="color: #FF6600">permanent</span>, <span style="color: #993399">5000</span>, <span style="color: #FF6600">supervisor</span>, [<span style="color: #FF6600">ranch_sup</span>]}, + <span style="color: #009900">ListenerSpec</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">ranch:child_spec</span></span>(<span style="color: #FF6600">echo</span>, <span style="color: #993399">100</span>, + <span style="color: #FF6600">ranch_tcp</span>, [{<span style="color: #FF6600">port</span>, <span style="color: #993399">5555</span>}], + <span style="color: #FF6600">echo_protocol</span>, [] + ), + {<span style="color: #FF6600">ok</span>, {{<span style="color: #FF6600">one_for_one</span>, <span style="color: #993399">10</span>, <span style="color: #993399">10</span>}, [<span style="color: #009900">RanchSupSpec</span>, <span style="color: #009900">ListenerSpec</span>]}}<span style="color: #990000">.</span></tt></pre></div></div> +<div class="paragraph"><p>Remember, you can add as many listener child specs as needed, but only +one <code>ranch_sup</code> spec!</p></div> +<div class="paragraph"><p>It is recommended that your architecture makes sure that all listeners +are restarted if <code>ranch_sup</code> fails. See the Ranch internals chapter for +more details on how Ranch does it.</p></div> +</div> +</div> + + + <nav style="margin:1em 0"> |