74     int ret = 1, len, cnt = 0, pid;  in main()  local
113     if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
116         mbedtls_printf(" failed!  mbedtls_ctr_drbg_seed returned %d\n\n", ret);  in main()
133     ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_srv_crt,  in main()
135     if (ret != 0) {  in main()
136         mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);  in main()
140     ret = mbedtls_x509_crt_parse(&srvcert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
142     if (ret != 0) {  in main()
143         mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);  in main()
147     ret =  mbedtls_pk_parse_key(&pkey, (const unsigned char *) mbedtls_test_srv_key,  in main()
150     if (ret != 0) {  in main()
151         mbedtls_printf(" failed!  mbedtls_pk_parse_key returned %d\n\n", ret);  in main()
163     if ((ret = mbedtls_ssl_config_defaults(&conf,  in main()
167         mbedtls_printf(" failed!  mbedtls_ssl_config_defaults returned %d\n\n", ret);  in main()
175     if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {  in main()
176         mbedtls_printf(" failed!  mbedtls_ssl_conf_own_cert returned %d\n\n", ret);  in main()
188     if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP)) != 0) {  in main()
189         mbedtls_printf(" failed!  mbedtls_net_bind returned %d\n\n", ret);  in main()
205         if ((ret = mbedtls_net_accept(&listen_fd, &client_fd,  in main()
207             mbedtls_printf(" failed!  mbedtls_net_accept returned %d\n\n", ret);  in main()
229             if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,  in main()
232                 mbedtls_printf(" failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret);  in main()
249         if ((ret = mbedtls_ctr_drbg_reseed(&ctr_drbg,  in main()
254                 pid, ret);  in main()
258         if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {  in main()
261                 pid, ret);  in main()
275         while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {  in main()
276             if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
279                     pid, ret);  in main()
295             ret = mbedtls_ssl_read(&ssl, buf, len);  in main()
297             if (ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
301             if (ret <= 0) {  in main()
302                 switch (ret) {  in main()
312                         mbedtls_printf("pid %d: mbedtls_ssl_read returned %d\n", pid, ret);  in main()
319             len = ret;  in main()
322             if (ret > 0) {  in main()
337             while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {  in main()
338                 if (ret == MBEDTLS_ERR_NET_CONN_RESET) {  in main()
344                 if (ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE) {  in main()
347                         pid, ret);  in main()
351             len = ret;  in main()