78     int ret, len;  in main()  local
115         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;  in main()
130     if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
133         printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);  in main()
150     ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,  in main()
152     if (ret != 0) {  in main()
153         printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);  in main()
157     ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
159     if (ret != 0) {  in main()
160         printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);  in main()
164     ret =  mbedtls_pk_parse_key(&pkey,  in main()
171     if (ret != 0) {  in main()
172         printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);  in main()
184     if ((ret = mbedtls_net_bind(&listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP)) != 0) {  in main()
185         printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);  in main()
197     if ((ret = mbedtls_ssl_config_defaults(&conf,  in main()
201         mbedtls_printf(" failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);  in main()
216     if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {  in main()
217         printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);  in main()
221     if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx,  in main()
223         printf(" failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret);  in main()
230     if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {  in main()
231         printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);  in main()
242     if (ret != 0) {  in main()
244         mbedtls_strerror(ret, error_buf, 100);  in main()
245         printf("Last error was: %d - %s\n\n", ret, error_buf);  in main()
259     if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,  in main()
261         printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);  in main()
266     if ((ret = mbedtls_ssl_set_client_transport_id(&ssl,  in main()
269                "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret);  in main()
285         ret = mbedtls_ssl_handshake(&ssl);  in main()
286     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
287              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
289     if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {  in main()
291         ret = 0;  in main()
293     } else if (ret != 0) {  in main()
294         printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret);  in main()
310         ret = mbedtls_ssl_read(&ssl, buf, len);  in main()
311     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
312              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
314     if (ret <= 0) {  in main()
315         switch (ret) {  in main()
325                 printf(" mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret);  in main()
330     len = ret;  in main()
340         ret = mbedtls_ssl_write(&ssl, buf, len);  in main()
341     } while (ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
342              ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
344     if (ret < 0) {  in main()
345         printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);  in main()
349     len = ret;  in main()
360         ret = mbedtls_ssl_close_notify(&ssl);  in main()
361     } while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);  in main()
362     ret = 0;  in main()
374     if (ret != 0) {  in main()
376         mbedtls_strerror(ret, error_buf, 100);  in main()
377         printf("Last error was: %d - %s\n\n", ret, error_buf);  in main()
399     if (ret < 0) {  in main()
400         ret = 1;  in main()
403     mbedtls_exit(ret);  in main()