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<h3>
Eric S. Raymond pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/6259ad92e292e635c1e4b0258c92d15bd8abcd7d">6259ad92</a></strong>
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<span>by Eric S. Raymond</span>
<i>at 2019-01-28T18:31:31Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Generate the I/O layer's receive buffer size in a rational way.
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<h4>1 changed file:</h4>
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<a href="#a22f2f76c7654b44cbf81fc5e5933c1f9968d454">
include/recvbuff.h
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<h4>Changes:</h4>
<li id="a22f2f76c7654b44cbf81fc5e5933c1f9968d454">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/6259ad92e292e635c1e4b0258c92d15bd8abcd7d#a22f2f76c7654b44cbf81fc5e5933c1f9968d454"><strong>include/recvbuff.h</strong></a>
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<pre style="margin: 0;"> <span id="LC21" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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<pre style="margin: 0;"> <span id="LC22" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC23" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;">/*</span></span>
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<pre style="margin: 0;">-<span id="LC24" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">t</span>he maximum length NTP packet contains the NTP header, one Autokey</span></span>
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<pre style="margin: 0;">-<span id="LC25" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * request, one Autokey response<span class="idiff left right"> and the MAC (Autokey has been removed</span></span></span>
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<pre style="margin: 0;">-<span id="LC26" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">from NTPsec, but we need to deal with the largest packets from legacy</span></span></span>
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<pre style="margin: 0;">-<span id="LC27" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">versions). Assuming certificates don't get too big, the maximum packet</span></span></span>
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<pre style="margin: 0;">-<span id="LC28" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">length is set arbitrarily at 1000</span>.</span></span>
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<pre style="margin: 0;">+<span id="LC24" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">T</span>he maximum length NTP packet contains the NTP header, one Autokey</span></span>
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<pre style="margin: 0;">+<span id="LC25" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * request, one Autokey response<span class="idiff left right">, the MAC, and extension fields</span></span></span>
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<pre style="margin: 0;">+<span id="LC26" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">(Autokey has been removed from NTPsec, but we need to deal with</span></span></span>
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<pre style="margin: 0;">+<span id="LC27" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">the largest packets from legacy versions). The only free prameter</span></span></span>
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<pre style="margin: 0;">+<span id="LC28" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">here is the maximum length of extension data</span>.</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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<pre style="margin: 0;">-<span id="LC30" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define RX_BUFF_SIZE <span class="idiff left">1000 </span></span><span class="cm" style="color: #998; font-style: italic;"><span class="idiff right">/* hail Mary */</span></span></span>
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<pre style="margin: 0;">+<span id="LC30" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define RX_BUFF_SIZE <span class="idiff left right">(LEN_PKT_NOMAC + MAX_MAC_LEN + MAX_EXT_LEN)</span></span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="c"><span class="k" style="font-weight: 600;">typedef</span> <span class="k" style="font-weight: 600;">struct</span> <span class="n" style="color: #333;">recvbuf</span> <span class="n" style="color: #333;">recvbuf_t</span><span class="p">;</span></span>
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