<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">

<html lang="en">

<head>

<meta content="text/html; charset=utf-8" http-equiv="Content-Type">

<title>

GitLab

</title>

</head>

<body>

<style type="text/css">

img {

max-width: 100%; height: auto;

}

</style>

<div class="content">

<h3>

Eric S. Raymond pushed to branch master

at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>

</h3>

<h4>

Commits:

</h4>

<ul>

<li>

<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/73f83ccc25143cabc79e5ce6e2aee010886a65a6">73f83ccc</a></strong>

<div>

<span>by Eric S. Raymond</span>

<i>at 2016-12-23T13:40:25-05:00</i>

</div>

<pre class="commit-message" style="margin: 0; white-space: pre-wrap">Add documentation of the Python code.

</pre>

</li>

</ul>

<h4>1 changed file:</h4>

<ul>

<li class="file-stats">

<a href="#7bb1ded6cb62df2554422eb291b61743d3759964" style="text-decoration: none">

devel/tour.txt

</a>

</li>

</ul>

<h4>Changes:</h4>

<li id="7bb1ded6cb62df2554422eb291b61743d3759964">

<a href="https://gitlab.com/NTPsec/ntpsec/commit/73f83ccc25143cabc79e5ce6e2aee010886a65a6#7bb1ded6cb62df2554422eb291b61743d3759964"><strong>devel/tour.txt</strong></a>

<hr>

<table class="code white" style="-premailer-cellpadding: 0; -premailer-cellspacing: 0; -premailer-width: 100%; background: #fff; font-family: monospace; font-size: 12px" bgcolor="#fff" width="100%" cellpadding="0" cellspacing="0">

<tr class="line_holder match" style="line-height: 1.6">

<td class="diff-line-num unfold js-unfold old_line" data-linenumber="408" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>

<td class="diff-line-num unfold js-unfold new_line" data-linenumber="408" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>

<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -408,4 +408,97 @@ a loadable Python module.  Here are a few useful generalizations:</td>

</tr>

<tr class="line_holder" style="line-height: 1.6">

<td class="diff-line-num old_line" data-linenumber="408" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

408

</td>

<td class="diff-line-num new_line" data-linenumber="408" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

408

</td>

<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">

<pre style="margin: 0"> <span id="LC408" class="line">  You will usually be able to model your implementation on code that</span>

</pre>

</td>

</tr>

<tr class="line_holder" style="line-height: 1.6">

<td class="diff-line-num old_line" data-linenumber="409" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

409

</td>

<td class="diff-line-num new_line" data-linenumber="409" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

409

</td>

<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">

<pre style="margin: 0"> <span id="LC409" class="line">  is already there.</span>

</pre>

</td>

</tr>

<tr class="line_holder" style="line-height: 1.6">

<td class="diff-line-num old_line" data-linenumber="410" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

410

</td>

<td class="diff-line-num new_line" data-linenumber="410" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

410

</td>

<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">

<pre style="margin: 0"> <span id="LC410" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

411

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC411" class="line">== The Python tools ==</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="412" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

412

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC412" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="413" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

413

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC413" class="line">Project policy is that (a) anything that does not have to be written</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="414" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

414

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC414" class="line">in C shouldn't be, and (b) our preferred non-C language is Python.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="415" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

415

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC415" class="line">Most of the auxiliary tools have already been moved.  This section</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="416" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

416

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC416" class="line">describes how they fit together.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="417" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

417

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC417" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="418" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

418

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC418" class="line">== The pylib/ntp library</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="419" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

419

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC419" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="420" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

420

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC420" class="line">The most important structural thing about the python tools is the</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="421" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

421

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC421" class="line">layering of the three most important ones - ntpq, ntpdig, and ntpmon. </span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="422" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

422

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC422" class="line">These are front ends to a back-end library of Python service routines that</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="423" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

423

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC423" class="line">installs as 'ntp' and lives in the source tree at pylib/. </span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="424" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

424

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC424" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="425" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

425

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC425" class="line">=== ntpq and ntpmon ===</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="426" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

426

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC426" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="427" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

427

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC427" class="line">ntpq and ntpmon are front ends to back-end class called ControlSession</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="428" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

428

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC428" class="line">that lives in ntp.packet.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="429" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

429

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC429" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="430" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

430

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC430" class="line">ntpq proper is mostly one big instance of a class derived from</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="431" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

431

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC431" class="line">Python's cmd.Cmd. That command interpreter, the Ntpq class, manages an</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="432" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

432

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC432" class="line">instance of a back-end ControlSession class.  ControlSession speaks</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="433" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

433

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC433" class="line">the Mode 6 control protocol recognized by the daemon.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="434" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

434

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC434" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="435" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

435

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC435" class="line">The cmd.Cmd methods are mostly pretty thin</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="436" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

436

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC436" class="line">wrappers around calls to eight methods of ControlSession</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="437" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

437

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC437" class="line">corresponding to each of the implemented Mode 6 request types.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="438" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

438

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC438" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="439" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

439

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC439" class="line">Within ControlSession, those methods turn into wrappers around</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="440" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

440

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC440" class="line">doquery() calls.  doquery() encapsulates "send a request, get a</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="441" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

441

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC441" class="line">response" and includes all the response fragment reassembly, retry,</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="442" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

442

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC442" class="line">and time-out/panic logic.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="443" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

443

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC443" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="444" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

444

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC444" class="line">ntpmon is simpler.  It's a basic TUI modeled on Unix top(1), mutt(1)</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="445" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

445

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC445" class="line">and similar programs.  It just calls some of the ControlSession</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="446" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

446

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC446" class="line">methods repeatedly, formating what it gets back as a live display.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="447" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

447

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC447" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="448" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

448

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC448" class="line">The code for making the actual displays in htpq and ntpmon mostly</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="449" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

449

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC449" class="line">doesn't live in the front end.  It's in ntp.util, well separated from</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="450" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

450

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC450" class="line">both the command interpreter and the protocol back end so it can be</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="451" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

451

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC451" class="line">re-used.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="452" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

452

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC452" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="453" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

453

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC453" class="line">=== ntpdig ===</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="454" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

454

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC454" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="455" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

455

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC455" class="line">ntpdig also uses the pylib library, but doesn't speak Mode 6.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="456" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

456

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC456" class="line">Instead, it builds and interprets time-synchronization packets </span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="457" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

457

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC457" class="line">using some of the same machinery.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="458" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

458

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC458" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="459" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

459

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC459" class="line">=== MRU reporting ===</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="460" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

460

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC460" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="461" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

461

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC461" class="line">The mrulist() method in ControlSession is more complex than the rest of the</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="462" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

462

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC462" class="line">back-end code put together except do_query() itself.  It is the one part</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="463" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

463

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC463" class="line">that was genuinely difficult to write, as opposed to merely having high</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="464" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

464

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC464" class="line">friction because the C it was translated from was so grotty.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="465" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

465

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC465" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="466" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

466

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC466" class="line">The way that part of the protocol works is a loop that does two</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="467" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

467

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC467" class="line">layers of segment reassembly.  The lower layer is the vanilla UDP</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="468" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

468

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC468" class="line">fragment reassembly encapsulated in do_query() and shared with the</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="469" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

469

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC469" class="line">other request types.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="470" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

470

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC470" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="471" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

471

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC471" class="line">In order to avoid blocking for long periods of time, and in order to</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="472" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

472

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC472" class="line">be cleanly interruptible by control-C, the upper layer does a sequence</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="473" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

473

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC473" class="line">of requests for MRU spans, which are multi-frag sequences of</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="474" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

474

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC474" class="line">ASCIIizations of MRU records, oldest to newest.  The spans include</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="475" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

475

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC475" class="line">sequence metadata intended to allow you to stitch them together on the</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="476" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

476

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC476" class="line">fly in O(n) time.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="477" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

477

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC477" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="478" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

478

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC478" class="line">There is also a direct mode thsat makes the individual spans available</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="479" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

479

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC479" class="line">as they come in.  This may be useful for getting partial data from</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="480" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

480

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC480" class="line">very heavily-loaded servers.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="481" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

481

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC481" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="482" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

482

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC482" class="line">A further interesting complication is use of a nonce to foil DDoSes by</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="483" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

483

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC483" class="line">source-address spoofing.  The mrulist() code begins by requesting a</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="484" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

484

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC484" class="line">nonce from ntpd, which it then replays between span requets to</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="485" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

485

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC485" class="line">convince ntpd that the address it's firehosing all that MRU data at is</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="486" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

486

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC486" class="line">the same one that asked for the nonce. To foil replay attacks, the</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="487" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

487

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC487" class="line">nonce is timed out; you haveto re-request another every 16 seconds</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="488" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

488

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC488" class="line">(the code does this automatically).</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="489" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

489

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC489" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="490" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

490

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC490" class="line">The Python code does not replicate the old C logic for stitching</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="491" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

491

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC491" class="line">together the MRU spans; that looked pretty fragile in the presence of</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="492" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

492

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC492" class="line">span dropouts (we don't know that those can ever happen, but we don't</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="493" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

493

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC493" class="line">know that they can't, either).  Instead, just brute-forces the problem</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="494" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

494

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC494" class="line">- accumulates all the MRU spans until either the protocol marker for</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="495" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

495

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC495" class="line">the end of the last one or ^C interrupting the span-read loop, and</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="496" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

496

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC496" class="line">then quicksorts the list before handing it up to the front end for</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="497" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

497

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC497" class="line">display.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="498" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

498

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC498" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="499" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

499

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC499" class="line">There's a keyboard-interrupt catcher *inside* the mrulist() method.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="500" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

500

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC500" class="line">That feels like a layering violation, but nobody has come up with a</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="501" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

501

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC501" class="line">better way to partition things.  Under the given constraints there may</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="502" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

502

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC502" class="line">not be one.</span>

</pre>

</td>

</tr>

<tr class="line_holder new" style="line-height: 1.6">

<td class="diff-line-num new old_line" data-linenumber="411" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

</td>

<td class="diff-line-num new new_line" data-linenumber="503" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">

503

</td>

<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">

<pre style="margin: 0">+<span id="LC503" class="line"></span>

</pre>

</td>

</tr>

<tr class="line_holder" style="line-height: 1.6">

<td class="diff-line-num old_line" data-linenumber="411" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

411

</td>

<td class="diff-line-num new_line" data-linenumber="504" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">

504

</td>

<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">

<pre style="margin: 0"> <span id="LC504" class="line">// end</span></pre>

</td>

</tr>

</table>

<br>

</li>

</div>

<div class="footer" style="margin-top: 10px">

<p style="color: #777; font-size: small">

—

<br>

<a href="https://gitlab.com/NTPsec/ntpsec/commit/73f83ccc25143cabc79e5ce6e2aee010886a65a6">View it on GitLab</a>.

<br>

You're receiving this email because of your account on gitlab.com.

If you'd like to receive fewer emails, you can

adjust your notification settings.

<script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","action":{"@type":"ViewAction","name":"View Commit","url":"https://gitlab.com/NTPsec/ntpsec/commit/73f83ccc25143cabc79e5ce6e2aee010886a65a6"}}</script>

</p>

</div>

</body>

</html>