2  *  Copyright 2024-2025 The OpenSSL Project Authors. All Rights Reserved.
12  * doc/man7/ossl-guide-quic-server-non-block.pod
66  * ALPN strings for TLS handshake. Only 'http/1.0' and 'hq-interop'
71     10, 'h', 'q', '-', 'i', 'n', 't', 'e', 'r', 'o', 'p',
95      * subsequent per-client connections. We specifically load a QUIC  in create_ctx()
104      * not only the leaf (end-entity) server certificate, but also any  in create_ctx()
105      * intermediate issuer-CA certificates.  The leaf certificate must be the  in create_ctx()
108      * In advanced use-cases this can be called multiple times, once per public  in create_ctx()
124      * key matches the just loaded end-entity certificate.  It does not check  in create_ctx()
134      * Clients rarely employ certificate-based authentication, and so we don't  in create_ctx()
140      * need to configure a trusted-certificate store, so no call to  in create_ctx()
165         return -1;  in create_socket()
175         return -1;  in create_socket()
182         return -1;  in create_socket()
214     if ((sock = SSL_get_fd(ssl)) == -1) {  in wait_for_activity()
272  *         - 1: Temporary failure, the operation should be retried.
273  *         - 0: EOF, indicating the connection has been closed.
274  *         - -1: A fatal error occurred or the connection has been reset.
297         return -1;  in handle_io_failure()
302          * stream reset - or some failure occurred on the underlying  in handle_io_failure()
315             printf("Connection closed\n");  in handle_io_failure()
316             /* Connection is already closed. */  in handle_io_failure()
330         return -1;  in handle_io_failure()
333         return -1;  in handle_io_failure()
338  * Main loop for server to accept QUIC connections.
343     int ok = -1;  in run_quic_server()
358      * Set the listener mode to non-blocking, which is inherited by  in run_quic_server()
374      * Begin an infinite loop of listening for connections. We will only  in run_quic_server()
375      * exit this loop if we encounter an error.  in run_quic_server()
393             ret = SSL_read_ex(conn, buf + total_read, sizeof(buf) - total_read,  in run_quic_server()
482     /* QUIC server connection acceptance loop. */  in main()
487         errx(res, "Error in QUIC server loop");  in main()