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Simplify SSL shutdown

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Florian Albrechtskirchinger 2025-02-16 12:31:23 +01:00
parent 233f0fb1b8
commit deb0609d82
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1 changed files with 5 additions and 10 deletions
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httplib.h
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@ -9062,18 +9062,13 @@ inline void ssl_delete(std::mutex &ctx_mutex, SSL *ssl, socket_t sock,
// Note that it is not always possible to avoid SIGPIPE, this is merely a
// best-efforts.
if (shutdown_gracefully) {
#ifdef _WIN32
(void)(sock);
SSL_shutdown(ssl);
#else
detail::set_socket_opt_time(sock, SOL_SOCKET, SO_RCVTIMEO, 1, 0);
auto ret = SSL_shutdown(ssl);
while (ret == 0) {
std::this_thread::sleep_for(std::chrono::milliseconds{100});
ret = SSL_shutdown(ssl);
// SSL_shutdown() returns 0 on first call (indicating close_notify alert
// sent) and 1 on subsequent call (indicating close_notify alert received)
if (SSL_shutdown(ssl) == 0) {
// Expected to return 1, but even if it doesn't, we free ssl
SSL_shutdown(ssl);
}
#endif
}
std::lock_guard<std::mutex> guard(ctx_mutex);