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Aldo Cortesi 2012-07-29 22:26:31 +12:00
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</h1>
</div>
<p>At pathod's heart is a small, terse language for crafting HTTP responses,
designed to be easy to specify in a request URL. The simplest way to use
pathod is to fire up the daemon, and specify the response behaviour you
want using this language in the request URL. Here's a minimal example:</p>
<p>Pathod is a pathological HTTP daemon, designed to let you craft arbitrarily
malevolent HTTP responses. It lets you thoroughly exercise the failure modes of
HTTP clients by creatively violating the standards. HTTP responses are
specified using a <a href="/docs/language">small, terse language</a>, which
pathod shares with its evil twin pathoc. </p>
<pre class="example">http://localhost:9999/p/200</pre>
<p>Everything after the "/p/" path component is a response specifier - in this
case just a vanilla 200 OK response. See the docs below to get (much) fancier.
<section id="api">
<div class="page-header">
<h1>Getting started</h1>
</div>
<p> To start playing with pathod, simply fire up the daemon: </p>
<pre class="terminal">./pathod</pre>
<p>By default, the service listens on port 9999 of localhost. Pathod's
documentation is self-hosting, and the pathod daemon exposes an interface that
lets you play with the specifciation language, preview what responses and
requests would look like on the wire, and view internal logs. To access all of
this, just fire up your browser, and point it to the following URL:</p>
<pre class="example">http://localhost:9999</pre>
<p>The default crafting anchor point is the path <b>/p/</b>. Anything after
this URL prefix is treated as a response specifier. Hitting the following URL
will generate an HTTP 200 response with 100 bytes of random data:</p>
<pre class="example">http://localhost:9999/p/200:b@100</pre>
<p>See the <a href="/docs/language">language documentation</a> to get (much)
fancier. The pathod daemon also takes a number of configuration options. To
view those, use the command-line help:</p>
<pre class="terminal">./pathod --help</pre>
</section>
<section id="api">
<div class="page-header">
<h1>Anchors</h1>
</div>
You can also add anchors to the pathod server that serve a fixed response
whenever a matching URL is requested:</p>
<pre class="terminal">pathod -a "/foo=200"</pre>
<pre class="terminal">./pathod -a "/foo=200"</pre>
<p>Here, "/foo" a regex specifying the anchor path, and the part after the "=" is
a response specifier.</p>
<p>pathod also has a nifty built-in web interface, which lets you play with
the language by previewing responses, exposes activity logs, online help and
various other goodies. Try it by visiting the server root:</p>
</section>
<section id="files">
<div class="page-header">
<h1>File Access</h1>
</div>
</section>
<section>
<div class="page-header">
<h1>Internal Error Responses</h1>
</div>
<p>Pathod uses the non-standard 800 response code to indicate internal
errors, to distinguish them from crafted responses. For example, a request
to:</p>
<pre class="example">http://localhost:9999/p/foo</pre>
<p>... will return an 800 response because "foo" is not a valid page
specifier.</p>
</section>
<pre class="example">http://localhost:9999</pre>
<section id="api">
<div class="page-header">
@ -77,20 +136,4 @@ various other goodies. Try it by visiting the server root:</p>
</table>
</section>
<section>
<div class="page-header">
<h1>Error Responses</h1>
</div>
<p>Pathod uses the non-standard 800 response code to indicate internal
errors, to distinguish them from crafted responses. For example, a request
to:</p>
<pre class="example">http://localhost:9999/p/foo</pre>
<p>... will return an 800 response because "foo" is not a valid page
specifier.</p>
</section>
{% endblock %}