net: sockets: tls: Return ENOTCONN when DTLS client session ends (d0affeff) · Commits · Wenxi XU / zephyr

Notify the application when DTLS client session ends by returning ENOTCONN on such event. Additionally, reset the mbed TLS session structures, allowing to reinstante the session on the next send() call. Signed-off-by:

Robert Lubos <robert.lubos@nordicsemi.no>

subsys/net/lib/sockets/sockets_tls.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -1812,7 +1812,13 @@ static ssize_t recvfrom_dtls_client(struct tls_context ctx, void buf,
		switch (ret) {
		case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
		/* Peer notified that it's closing the connection. */
		return 0;
		ret = tls_mbedtls_reset(ctx);
		if (ret == 0) {
		ret = -ENOTCONN;
		} else {
		ret = -ENOMEM;
		}
		break;

		case MBEDTLS_ERR_SSL_TIMEOUT:
		(void)mbedtls_ssl_close_notify(&ctx->ssl);

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