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\deftab720
\pard\pardeftab720\partightenfactor0
\f0\fs24 \cf0 \expnd0\expndtw0\kerning0
Instructions on how to run a secondary mDNSResponder in the Xcode debugger. (Two known issues, the secondary mDNSResponder will not send unicast mDNS packets and it does not support BTMM.)\
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1.) From Terminal shell, open mDNSResponder Xcode project. \'a0\
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$ open mDNSMacOSX/mDNSResponder.xcodeproj/\
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You can also just double click on the project from Finder.\
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2.) Configure Xcode Project Scheme by adding the following three arguments, -d -NoSandbox -UseDebugSocket.\
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\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardeftab720\pardirnatural\partightenfactor0
\cf0 \kerning1\expnd0\expndtw0 {{\NeXTGraphic A944EB40-AEFD-4CA1-BF10-E8F52835CA8C.png \width18360 \height4420
}¬}\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardeftab720\pardirnatural\partightenfactor0
\cf0 \expnd0\expndtw0\kerning0
\
\pard\pardeftab720\partightenfactor0
\cf0 \
3.) Build and run mDNSResponder by setting the target to mDNSResponder.\
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\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardeftab720\pardirnatural\partightenfactor0
\cf0 \kerning1\expnd0\expndtw0 {{\NeXTGraphic Screen Shot 2015-09-16 at 4.22.37 PM.png \width5980 \height660
}¬}\expnd0\expndtw0\kerning0
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\pard\pardeftab720\partightenfactor0
\cf0 \
Then execute\'a0Command-R to build and run your code with the active scheme.\
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\pard\pardeftab720\pardirnatural\partightenfactor0
\cf0 \kerning1\expnd0\expndtw0 \CocoaLigature0 4.) Before using dns-sd with Xcode-version of mDNSResponder, make sure to export the socket UDS path by executing one of the following commands:\
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From a Borne, bash or zsh, execute this command:\
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\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardeftab720\pardirnatural\partightenfactor0
\cf0 export DNSSD_UDS_PATH=/var/tmp/mDNSResponder\
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\pard\tx729\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardeftab720\pardirnatural\partightenfactor0
\cf0 From csh or tcsh, execute this command:\
\pard\tx560\tx1120\tx1680\tx2240\tx2800\tx3360\tx3920\tx4480\tx5040\tx5600\tx6160\tx6720\pardeftab720\pardirnatural\partightenfactor0
\cf0 \
\expnd0\expndtw0\kerning0
\CocoaLigature1 setenv DNSSD_UDS_PATH /var/tmp/mDNSResponder\
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There may be other variants to setting the environment variable as well for other shells.\kerning1\expnd0\expndtw0 \CocoaLigature0 \
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Now running dns-sd will interoperate with the secondary Xcode-version of mDNSResponder as long as you run dns-sd from this terminal shell.\
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5.) \expnd0\expndtw0\kerning0
\CocoaLigature1 Now set a breakpoint in Xcode and try to trigger it using dns-sd.\
}
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