None of C++ library API haven't executed their functionality from swift lang program

Question

Created Sep ’20

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I have a SimpleFirewall app in swift language and I have C++ library in my MacBook Pro. I have couple of APIs as part of C++ libraries. One of API is message logging API also.

I have called APIs in library from my SimpleFirewall app and have linked C++ library to my SimpleFirewall app with help bridge header wrapper file. All are compiled well.

After running my simplefirewall app, None of C++ library API (even file logging API also) haven't executed their functionality even though APIs are invoked from my simplefirewall swift program.

What may be the possible reason? Please help me.

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Answer 1

nagendrar OP

Sep ’20

One more thing, Here I have called C++ APIs and I have linked/added library to SimpleFirewallExtension target in SimpleFirewall app.
Following is output when I run nm command on SimpleFirewallExtension target binary.

0000000100004c01 T NetopsFilterCommsExit
0000000100004b9f T NetopsFilterCommsInit
0000000100004f2c T _ZN15NetopsControl19NetopsControlExitEv
0000000100004e16 T ZN15NetopsControl19NetopsControlInitEv
0000000100004ed6 T ZN15NetopsControlC1Ev
0000000100004dd2 T ZN15NetopsControlC2Ev
0000000100004f5a T ZN15NetopsControlD1Ev
0000000100004ee0 T ZN15NetopsControlD2Ev
0000000100004a0e T ZN27NetopsKernelModuleAdapter15SendNetOpsEventEPviP18netopsreturninfo
00000001000049ee T ZN27NetopsKernelModuleAdapterC1Ev
00000001000049da T ZN27NetopsKernelModuleAdapterC2Ev
0000000100004a08 T ZN27NetopsKernelModuleAdapterD1Ev
0000000100004a02 T ZN27NetopsKernelModuleAdapterD2Ev
0000000100007630 S m_NetopsCtr

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Answer 2

nagendrar OP

Sep ’20

If I call the C++ APIs and If I link to console swift program, then running successfully. But I am facing the issues with SimpleFirewallExtension if I do same. Please help me.

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