94     int ret, len;  in main()  local
141     ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,  in main()
143     if( ret != 0 )  in main()
145         printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );  in main()
149     ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,  in main()
151     if( ret != 0 )  in main()
153         printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );  in main()
157     ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,  in main()
159     if( ret != 0 )  in main()
161         printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );  in main()
173     if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_UDP ) ) != 0 )  in main()
175         printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );  in main()
187     if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,  in main()
191         printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );  in main()
203     if( ( ret = mbedtls_ssl_config_defaults( &conf,  in main()
208         mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );  in main()
222    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )  in main()
224         printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );  in main()
228     if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,  in main()
231         printf( " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );  in main()
238     if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )  in main()
240         printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );  in main()
251     if( ret != 0 )  in main()
254         mbedtls_strerror( ret, error_buf, 100 );  in main()
255         printf("Last error was: %d - %s\n\n", ret, error_buf );  in main()
269     if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,  in main()
272         printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );  in main()
277     if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,  in main()
281                 "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", -ret );  in main()
296     do ret = mbedtls_ssl_handshake( &ssl );  in main()
297     while( ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
298            ret == MBEDTLS_ERR_SSL_WANT_WRITE );  in main()
300     if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )  in main()
303         ret = 0;  in main()
306     else if( ret != 0 )  in main()
308         printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", -ret );  in main()
323     do ret = mbedtls_ssl_read( &ssl, buf, len );  in main()
324     while( ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
325            ret == MBEDTLS_ERR_SSL_WANT_WRITE );  in main()
327     if( ret <= 0 )  in main()
329         switch( ret )  in main()
337                 ret = 0;  in main()
341                 printf( " mbedtls_ssl_read returned -0x%x\n\n", -ret );  in main()
346     len = ret;  in main()
355     do ret = mbedtls_ssl_write( &ssl, buf, len );  in main()
356     while( ret == MBEDTLS_ERR_SSL_WANT_READ ||  in main()
357            ret == MBEDTLS_ERR_SSL_WANT_WRITE );  in main()
359     if( ret < 0 )  in main()
361         printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );  in main()
365     len = ret;  in main()
375     do ret = mbedtls_ssl_close_notify( &ssl );  in main()
376     while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );  in main()
377     ret = 0;  in main()
389     if( ret != 0 )  in main()
392         mbedtls_strerror( ret, error_buf, 100 );  in main()
393         printf( "Last error was: %d - %s\n\n", ret, error_buf );  in main()
417     if( ret < 0 )  in main()
418         ret = 1;  in main()
420     return( ret );  in main()