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<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/d8d6bda866f7ad1326b033654c7246de89537bb5">d8d6bda8</a></strong>
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<span>by Eric S. Raymond</span>
<i>at 2017-08-24T07:24:59-04:00</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">In pylib/util.py, refactor DNS lookup caching...
...and apply it to forward confirmation as well as lookup.
>From an idea by Matt Nordhoff.
</pre>
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<h4>1 changed file:</h4>
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<a href="#a61fb9541c7ffe95e3b809ea55001114580d13e4">
pylib/util.py
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<h4>Changes:</h4>
<li id="a61fb9541c7ffe95e3b809ea55001114580d13e4">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/d8d6bda866f7ad1326b033654c7246de89537bb5#a61fb9541c7ffe95e3b809ea55001114580d13e4"><strong>pylib/util.py</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -479,16 +479,27 @@ def monoclock():</td>
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<pre style="margin: 0;"> <span id="LC479" class="line" lang="python"> <span class="k" style="font-weight: bold;">except</span> <span class="nb" style="color: #0086b3;">AttributeError</span><span class="p">:</span></span>
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480
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<pre style="margin: 0;"> <span id="LC480" class="line" lang="python"> <span class="k" style="font-weight: bold;">return</span> <span class="n" style="color: #333;">time</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">time</span><span class="p">()</span></span>
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481
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<pre style="margin: 0;"> <span id="LC481" class="line" lang="python"></span>
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<pre style="margin: 0;">+<span id="LC482" class="line" lang="python"><span class="k" style="font-weight: bold;">class</span> <span class="nc" style="color: #458; font-weight: bold;">Cache</span><span class="p">:</span></span>
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483
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<pre style="margin: 0;">+<span id="LC483" class="line" lang="python"> <span class="s" style="color: #d14;">"Simple time-based cache"</span></span>
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484
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<pre style="margin: 0;">+<span id="LC484" class="line" lang="python"> <span class="n" style="color: #333;">ttl</span> <span class="o" style="font-weight: bold;">=</span> <span class="mi" style="color: #099;">300</span></span>
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<pre style="margin: 0;">+<span id="LC485" class="line" lang="python"> <span class="k" style="font-weight: bold;">def</span> <span class="nf" style="color: #900; font-weight: bold;">__init__</span><span class="p">(</span><span class="bp" style="color: #999;">self</span><span class="p">):</span></span>
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486
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<pre style="margin: 0;">+<span id="LC486" class="line" lang="python"> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">_cache</span> <span class="o" style="font-weight: bold;">=</span> <span class="p">{}</span></span>
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487
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<pre style="margin: 0;">+<span id="LC487" class="line" lang="python"> <span class="k" style="font-weight: bold;">def</span> <span class="nf" style="color: #900; font-weight: bold;">get</span><span class="p">(</span><span class="bp" style="color: #999;">self</span><span class="p">,</span> <span class="n" style="color: #333;">key</span><span class="p">):</span></span>
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<pre style="margin: 0;">+<span id="LC488" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">key</span> <span class="ow" style="font-weight: bold;">in</span> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">_cache</span><span class="p">:</span></span>
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<pre style="margin: 0;">+<span id="LC489" class="line" lang="python"> <span class="n" style="color: #333;">value</span><span class="p">,</span> <span class="n" style="color: #333;">settime</span> <span class="o" style="font-weight: bold;">=</span> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">_cache</span><span class="p">[</span><span class="n" style="color: #333;">key</span><span class="p">]</span></span>
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<pre style="margin: 0;">+<span id="LC490" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">settime</span> <span class="o" style="font-weight: bold;">>=</span> <span class="n" style="color: #333;">monoclock</span><span class="p">()</span> <span class="o" style="font-weight: bold;">-</span> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">ttl</span><span class="p">:</span></span>
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<pre style="margin: 0;">+<span id="LC491" class="line" lang="python"> <span class="k" style="font-weight: bold;">return</span> <span class="n" style="color: #333;">value</span></span>
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<pre style="margin: 0;">+<span id="LC492" class="line" lang="python"> <span class="k" style="font-weight: bold;">def</span> <span class="nf" style="color: #900; font-weight: bold;">set</span><span class="p">(</span><span class="bp" style="color: #999;">self</span><span class="p">,</span> <span class="n" style="color: #333;">key</span><span class="p">,</span> <span class="n" style="color: #333;">value</span><span class="p">):</span></span>
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<pre style="margin: 0;">+<span id="LC493" class="line" lang="python"> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">_cache</span><span class="p">[</span><span class="n" style="color: #333;">key</span><span class="p">]</span> <span class="o" style="font-weight: bold;">=</span> <span class="p">(</span><span class="n" style="color: #333;">value</span><span class="p">,</span> <span class="n" style="color: #333;">monoclock</span><span class="p">())</span></span>
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<pre style="margin: 0;">+<span id="LC494" class="line" lang="python"></span>
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<pre style="margin: 0;"> <span id="LC495" class="line" lang="python"><span class="c" style="color: #998; font-style: italic;"># A hack to avoid repeatedly hammering on DNS when ntpmon runs.</span></span>
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<pre style="margin: 0;">-<span id="LC483" class="line" lang="python"><span class="n" style="color: #333;">canonicalization_cache</span> <span class="o" style="font-weight: bold;">=</span> <span class="p"><span class="idiff left right">{}</span></span></span>
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496
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<pre style="margin: 0;">+<span id="LC496" class="line" lang="python"><span class="n" style="color: #333;">canonicalization_cache</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;"><span class="idiff left">Cache</span></span><span class="p"><span class="idiff right">()</span></span></span>
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<pre style="margin: 0;"> <span id="LC497" class="line" lang="python"></span>
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<pre style="margin: 0;"> <span id="LC498" class="line" lang="python"><span class="k" style="font-weight: bold;">def</span> <span class="nf" style="color: #900; font-weight: bold;">canonicalize_dns</span><span class="p">(</span><span class="n" style="color: #333;">inhost</span><span class="p">,</span> <span class="n" style="color: #333;">family</span><span class="o" style="font-weight: bold;">=</span><span class="n" style="color: #333;">socket</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">AF_UNSPEC</span><span class="p">):</span></span>
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<pre style="margin: 0;"> <span id="LC499" class="line" lang="python"> <span class="s" style="color: #d14;">"Canonicalize a hostname or numeric IP address."</span></span>
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<pre style="margin: 0;">-<span id="LC487" class="line" lang="python"> <span class="n" style="color: #333;">TTL</span> <span class="o" style="font-weight: bold;">=</span> <span class="mi" style="color: #099;">300</span></span>
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<pre style="margin: 0;">-<span id="LC488" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">inhost</span> <span class="ow" style="font-weight: bold;">in</span> <span class="n" style="color: #333;">canonicalization_cache</span><span class="p">:</span></span>
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<pre style="margin: 0;">-<span id="LC489" class="line" lang="python"> <span class="p">(</span><span class="n" style="color: #333;">resname</span><span class="p">,</span> <span class="n" style="color: #333;">restime</span><span class="p">)</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">canonicalization_cache</span><span class="p">[</span><span class="n" style="color: #333;">inhost</span><span class="p">]</span></span>
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<pre style="margin: 0;">-<span id="LC490" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">restime</span> <span class="o" style="font-weight: bold;">>=</span> <span class="n" style="color: #333;">monoclock</span><span class="p">()</span> <span class="o" style="font-weight: bold;">-</span> <span class="n" style="color: #333;">TTL</span><span class="p">:</span></span>
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<pre style="margin: 0;">-<span id="LC491" class="line" lang="python"> <span class="k" style="font-weight: bold;">return</span> <span class="n" style="color: #333;">resname</span></span>
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<pre style="margin: 0;">+<span id="LC500" class="line" lang="python"> <span class="n" style="color: #333;">resname</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">canonicalization_cache</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">get</span><span class="p">(</span><span class="n" style="color: #333;">inhost</span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC501" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">resname</span> <span class="ow" style="font-weight: bold;">is</span> <span class="ow" style="font-weight: bold;">not</span> <span class="bp" style="color: #999;">None</span><span class="p">:</span></span>
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<pre style="margin: 0;">+<span id="LC502" class="line" lang="python"> <span class="k" style="font-weight: bold;">return</span> <span class="n" style="color: #333;">resname</span></span>
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<pre style="margin: 0;"> <span id="LC503" class="line" lang="python"> <span class="c" style="color: #998; font-style: italic;"># Catch garbaged hostnames in corrupted Mode 6 responses</span></span>
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<pre style="margin: 0;"> <span id="LC504" class="line" lang="python"> <span class="n" style="color: #333;">m</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">re</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">match</span><span class="p">(</span><span class="s" style="color: #d14;">"([:.[</span><span class="err" style="color: #a61717; background-color: #e3d2d2;">\</span><span class="s" style="color: #d14;">]]|</span><span class="err" style="color: #a61717; background-color: #e3d2d2;">\</span><span class="s" style="color: #d14;">w)*"</span><span class="p">,</span> <span class="n" style="color: #333;">inhost</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC505" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="ow" style="font-weight: bold;">not</span> <span class="n" style="color: #333;">m</span><span class="p">:</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="508" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -508,12 +519,11 @@ def canonicalize_dns(inhost, family=socket.AF_UNSPEC):</td>
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<pre style="margin: 0;"> <span id="LC519" class="line" lang="python"> <span class="c" style="color: #998; font-style: italic;"># Fall back to the hostname.</span></span>
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<pre style="margin: 0;"> <span id="LC520" class="line" lang="python"> <span class="n" style="color: #333;">canonicalized</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">canonname</span> <span class="ow" style="font-weight: bold;">or</span> <span class="n" style="color: #333;">hostname</span></span>
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<pre style="margin: 0;"> <span id="LC521" class="line" lang="python"> <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">canonicalized</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">lower</span><span class="p">()</span> <span class="o" style="font-weight: bold;">+</span> <span class="n" style="color: #333;">portsuffix</span></span>
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<pre style="margin: 0;">-<span id="LC511" class="line" lang="python"> <span class="n" style="color: #333;">canonicalization_cache</span><span class="p"><span class="idiff left">[</span></span><span class="n" style="color: #333;"><span class="idiff">inhost</span></span><span class="p"><span class="idiff">]</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold;"><span class="idiff">=</span></span><span class="idiff"> </span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">result</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">monoclock</span></span><span class="p"><span class="idiff right">()</span>)</span></span>
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<pre style="margin: 0;">+<span id="LC522" class="line" lang="python"> <span class="n" style="color: #333;">canonicalization_cache</span><span class="o" style="font-weight: bold;"><span class="idiff left">.</span></span><span class="nb" style="color: #0086b3;"><span class="idiff">set</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">inhost</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">result</span></span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC523" class="line" lang="python"> <span class="k" style="font-weight: bold;">return</span> <span class="n" style="color: #333;">result</span></span>
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<pre style="margin: 0;"> <span id="LC524" class="line" lang="python"></span>
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<pre style="margin: 0;"> <span id="LC525" class="line" lang="python"><span class="n" style="color: #333;">TermSize</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">collections</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">namedtuple</span><span class="p">(</span><span class="s" style="color: #d14;">"TermSize"</span><span class="p">,</span> <span class="p">[</span><span class="s" style="color: #d14;">"width"</span><span class="p">,</span> <span class="s" style="color: #d14;">"height"</span><span class="p">])</span></span>
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<pre style="margin: 0;"> <span id="LC526" class="line" lang="python"></span>
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<pre style="margin: 0;">-<span id="LC516" class="line" lang="python"></span>
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<pre style="margin: 0;"> <span id="LC527" class="line" lang="python"><span class="k" style="font-weight: bold;">def</span> <span class="nf" style="color: #900; font-weight: bold;">termsize</span><span class="p">():</span></span>
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<pre style="margin: 0;"> <span id="LC528" class="line" lang="python"> <span class="s" style="color: #d14;">"Return the current terminal size."</span></span>
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<pre style="margin: 0;"> <span id="LC529" class="line" lang="python"> <span class="c" style="color: #998; font-style: italic;"># Alternatives at http://stackoverflow.com/questions/566746</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1106" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1106,15 +1116,19 @@ class MRUSummary:</td>
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<pre style="margin: 0;"> <span id="LC1116" class="line" lang="python"> <span class="k" style="font-weight: bold;">else</span><span class="p">:</span></span>
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1107
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1117
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<pre style="margin: 0;"> <span id="LC1117" class="line" lang="python"> <span class="n" style="color: #333;">dns</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">canonicalize_dns</span><span class="p">(</span><span class="n" style="color: #333;">ip</span><span class="p">)</span></span>
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1108
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1118
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<pre style="margin: 0;"> <span id="LC1118" class="line" lang="python"> <span class="c" style="color: #998; font-style: italic;"># Forward-confirm the returned DNS</span></span>
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1109
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<pre style="margin: 0;">-<span id="LC1109" class="line" lang="python"> <span class="n" style="color: #333;">confirmed</span> <span class="o" style="font-weight: bold;">=</span> <span class="bp" style="color: #999;">False</span></span>
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<pre style="margin: 0;">-<span id="LC1110" class="line" lang="python"> <span class="k" style="font-weight: bold;">try</span><span class="p">:</span></span>
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1111
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<pre style="margin: 0;">-<span id="LC1111" class="line" lang="python"> <span class="n" style="color: #333;">ai</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">socket</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">getaddrinfo</span><span class="p">(</span><span class="n" style="color: #333;">dns</span><span class="p">,</span> <span class="bp" style="color: #999;">None</span><span class="p">)</span></span>
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1112
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<pre style="margin: 0;">-<span id="LC1112" class="line" lang="python"> <span class="k" style="font-weight: bold;">for</span> <span class="p">(</span><span class="n" style="color: #333;">family</span><span class="p">,</span> <span class="n" style="color: #333;">socktype</span><span class="p">,</span> <span class="n" style="color: #333;">proto</span><span class="p">,</span> <span class="n" style="color: #333;">canonname</span><span class="p">,</span> <span class="n" style="color: #333;">sockaddr</span><span class="p">)</span> <span class="ow" style="font-weight: bold;">in</span> <span class="n" style="color: #333;">ai</span><span class="p">:</span></span>
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1113
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<pre style="margin: 0;">-<span id="LC1113" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">sockaddr</span> <span class="ow" style="font-weight: bold;">and</span> <span class="n" style="color: #333;">sockaddr</span><span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="p">]</span> <span class="o" style="font-weight: bold;">==</span> <span class="n" style="color: #333;">ip</span><span class="p">:</span></span>
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1114
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<pre style="margin: 0;">-<span id="LC1114" class="line" lang="python"> <span class="n" style="color: #333;">confirmed</span> <span class="o" style="font-weight: bold;">=</span> <span class="bp" style="color: #999;">True</span></span>
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1115
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<pre style="margin: 0;">-<span id="LC1115" class="line" lang="python"> <span class="k" style="font-weight: bold;">break</span></span>
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1116
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<pre style="margin: 0;">-<span id="LC1116" class="line" lang="python"> <span class="k" style="font-weight: bold;">except</span> <span class="n" style="color: #333;">socket</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">gaierror</span> <span class="k" style="font-weight: bold;">as</span> <span class="n" style="color: #333;">e</span><span class="p">:</span></span>
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1117
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<pre style="margin: 0;">-<span id="LC1117" class="line" lang="python"> <span class="k" style="font-weight: bold;">pass</span></span>
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1119
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<pre style="margin: 0;">+<span id="LC1119" class="line" lang="python"> <span class="n" style="color: #333;">confirmed</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">confirmation_cache</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">get</span><span class="p">(</span><span class="n" style="color: #333;">dns</span><span class="p">)</span></span>
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1120
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<pre style="margin: 0;">+<span id="LC1120" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">confirmed</span> <span class="ow" style="font-weight: bold;">is</span> <span class="bp" style="color: #999;">None</span><span class="p">:</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1121
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<pre style="margin: 0;">+<span id="LC1121" class="line" lang="python"> <span class="n" style="color: #333;">confirmed</span> <span class="o" style="font-weight: bold;">=</span> <span class="bp" style="color: #999;">False</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1122
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<pre style="margin: 0;">+<span id="LC1122" class="line" lang="python"> <span class="k" style="font-weight: bold;">try</span><span class="p">:</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1123
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<pre style="margin: 0;">+<span id="LC1123" class="line" lang="python"> <span class="n" style="color: #333;">ai</span> <span class="o" style="font-weight: bold;">=</span> <span class="n" style="color: #333;">socket</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">getaddrinfo</span><span class="p">(</span><span class="n" style="color: #333;">dns</span><span class="p">,</span> <span class="bp" style="color: #999;">None</span><span class="p">)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1124
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<pre style="margin: 0;">+<span id="LC1124" class="line" lang="python"> <span class="k" style="font-weight: bold;">for</span> <span class="p">(</span><span class="n" style="color: #333;">family</span><span class="p">,</span> <span class="n" style="color: #333;">socktype</span><span class="p">,</span> <span class="n" style="color: #333;">proto</span><span class="p">,</span> <span class="n" style="color: #333;">canonname</span><span class="p">,</span> <span class="n" style="color: #333;">sockaddr</span><span class="p">)</span> <span class="ow" style="font-weight: bold;">in</span> \</span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1125" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1125
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<pre style="margin: 0;">+<span id="LC1125" class="line" lang="python"> <span class="n" style="color: #333;">ai</span><span class="p">:</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1126
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<pre style="margin: 0;">+<span id="LC1126" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="n" style="color: #333;">sockaddr</span> <span class="ow" style="font-weight: bold;">and</span> <span class="n" style="color: #333;">sockaddr</span><span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="p">]</span> <span class="o" style="font-weight: bold;">==</span> <span class="n" style="color: #333;">ip</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1127
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<pre style="margin: 0;">+<span id="LC1127" class="line" lang="python"> <span class="n" style="color: #333;">confirmed</span> <span class="o" style="font-weight: bold;">=</span> <span class="bp" style="color: #999;">True</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1128
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<pre style="margin: 0;">+<span id="LC1128" class="line" lang="python"> <span class="k" style="font-weight: bold;">break</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1129
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<pre style="margin: 0;">+<span id="LC1129" class="line" lang="python"> <span class="k" style="font-weight: bold;">except</span> <span class="n" style="color: #333;">socket</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">gaierror</span> <span class="k" style="font-weight: bold;">as</span> <span class="n" style="color: #333;">e</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num new new_line" data-linenumber="1130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1130
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<pre style="margin: 0;">+<span id="LC1130" class="line" lang="python"> <span class="k" style="font-weight: bold;">pass</span></span>
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<td class="diff-line-num new new_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1131
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<pre style="margin: 0;">+<span id="LC1131" class="line" lang="python"> <span class="n" style="color: #333;">confirmation_cache</span><span class="o" style="font-weight: bold;">.</span><span class="nb" style="color: #0086b3;">set</span><span class="p">(</span><span class="n" style="color: #333;">dns</span><span class="p">,</span> <span class="n" style="color: #333;">confirmed</span><span class="p">)</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1118
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<td class="diff-line-num new_line" data-linenumber="1132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1132
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<pre style="margin: 0;"> <span id="LC1132" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="ow" style="font-weight: bold;">not</span> <span class="n" style="color: #333;">confirmed</span><span class="p">:</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1119" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1119
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<td class="diff-line-num new_line" data-linenumber="1133" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1133
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<pre style="margin: 0;"> <span id="LC1133" class="line" lang="python"> <span class="n" style="color: #333;">dns</span> <span class="o" style="font-weight: bold;">=</span> <span class="s" style="color: #d14;">"</span><span class="si" style="color: #d14;">%</span><span class="s" style="color: #d14;">s (</span><span class="si" style="color: #d14;">%</span><span class="s" style="color: #d14;">s)"</span> <span class="o" style="font-weight: bold;">%</span> <span class="p">(</span><span class="n" style="color: #333;">ip</span><span class="p">,</span> <span class="n" style="color: #333;">dns</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="1120" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1120
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<td class="diff-line-num new_line" data-linenumber="1134" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1134
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<pre style="margin: 0;"> <span id="LC1134" class="line" lang="python"> <span class="k" style="font-weight: bold;">if</span> <span class="ow" style="font-weight: bold;">not</span> <span class="bp" style="color: #999;">self</span><span class="o" style="font-weight: bold;">.</span><span class="n" style="color: #333;">wideremote</span><span class="p">:</span></span>
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