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Update testInternetReachability() function

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* Update testInternetReachability() function to ensure that the same curl options used for general activity are used for the testInternetReachability() function, ensuring that CURLOPT_NOSIGNAL, CURLOPT_TCP_NODELAY and CURLOPT_FORBID_REUSE are set correctly and aligned to operational use within the sync engine itself.
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abraunegg 2025-12-24 07:45:53 +11:00
commit 52493a586b
1 changed files with 13 additions and 0 deletions
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13
src/util.d
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@ -455,6 +455,19 @@ bool testInternetReachability(ApplicationConfig appConfig, bool displayLogging =
// Set IP protocol version
http.handle.set(CurlOption.ipresolve, appConfig.getValueLong("ip_protocol_version"));
// Explicitly set libcurl options to avoid using signal handlers in a multi-threaded environment
// https://curl.se/libcurl/c/CURLOPT_NOSIGNAL.html
http.handle.set(CurlOption.nosignal,1);
// Explicitly set the use of TCP NAGLE
// https://curl.se/libcurl/c/CURLOPT_TCP_NODELAY.html
// Ensure that TCP_NODELAY is set to 0 to ensure that TCP NAGLE is enabled
http.handle.set(CurlOption.tcp_nodelay,0);
// Explicitly set to ensure the connection get closed at once after use
// https://curl.se/libcurl/c/CURLOPT_FORBID_REUSE.html
http.handle.set(CurlOption.forbid_reuse,0);
// Set HTTP method to HEAD for minimal data transfer
http.method = HTTP.Method.head;