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Enable IPV6_V6ONLY flag to increase reliability of IPv4 service #2343

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Enable IPV6_V6ONLY flag to increase reliability of IPv4 service #2343

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cpp-httplib: Enable IPV6_V6ONLY flag to increase reliability of IPv4 …
alexrsagen Aug 14, 2024
a2f72d6
Merge branch 'dev' into dev
adamierymenko Sep 11, 2024
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6 changes: 3 additions & 3 deletions ext/cpp-httplib/httplib.h
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Original file line number Diff line number Diff line change
Expand Up @@ -3163,13 +3163,13 @@ socket_t create_socket(const std::string &host, const std::string &ip, int port,
if (socket_options) { socket_options(sock); }

if (rp->ai_family == AF_INET6) {
auto no = 0;
auto yes = 1;
#ifdef _WIN32
setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
reinterpret_cast<const char *>(&no), sizeof(no));
reinterpret_cast<const char *>(&yes), sizeof(yes));
#else
setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
reinterpret_cast<const void *>(&no), sizeof(no));
reinterpret_cast<const void *>(&yes), sizeof(yes));
#endif
}

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