emac_test_broadcast.cpp

00001 /*
00002  * Copyright (c) 2017, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "mbed.h"
00019 #include "greentea-client/test_env.h"
00020 #include "unity.h"
00021 #include "utest.h"
00022 
00023 #if MBED_CONF_APP_TEST_WIFI || MBED_CONF_APP_TEST_ETHERNET
00024 
00025 #include "emac_tests.h"
00026 #include "emac_util.h"
00027 #include "emac_ctp.h"
00028 
00029 using namespace utest::v1;
00030 
00031 void test_emac_broadcast_cb(int opt)
00032 {
00033     static bool send_request = true;
00034     static int no_response_cnt = 0;
00035     static int retries = 0;
00036     static int test_step = 0;
00037     static int msg_len = 100;
00038     static int wait = 0;
00039 
00040     if (wait) {
00041         --wait;
00042         return;
00043     }
00044 
00045 #if MBED_CONF_APP_ECHO_SERVER
00046     static bool echo_server_started = false;
00047     if (!echo_server_started) {
00048 #if MBED_CONF_APP_ECHO_SERVER_TRACE == 0
00049         SET_TRACE_LEVEL(TRACE_NONE);
00050 #endif
00051         printf("echo server started successfully\r\n\r\n");
00052         echo_server_started = true;
00053     } else {
00054         // Sends broadcast every 60 seconds
00055         CTP_MSG_SEND(msg_len, eth_mac_broadcast_addr, emac_if_get_own_addr(), emac_if_get_own_addr(), 0);
00056         wait = 60;
00057     }
00058     return;
00059 #endif
00060 
00061     // Timeout
00062     if (opt == TIMEOUT && send_request) {
00063         CTP_MSG_SEND(msg_len, eth_mac_broadcast_addr, emac_if_get_own_addr(), emac_if_get_own_addr(), 0);
00064         send_request = false;
00065         no_response_cnt = 0;
00066     } else if (opt == TIMEOUT) {
00067         if (++no_response_cnt > 3) {
00068             if (++retries > 6) {
00069                 printf("too many retries\r\n\r\n");
00070                 END_TEST_LOOP;
00071             } else {
00072                 printf("retry count %i\r\n\r\n", retries);
00073                 send_request = true;
00074             }
00075         }
00076     }
00077 
00078     // Echo response received
00079     if (opt == INPUT) {
00080         ++test_step;
00081         if (test_step == 3) {
00082             msg_len = 60;
00083             wait = 3;
00084         } else if (test_step == 6) {
00085             END_TEST_LOOP;
00086         }
00087         retries = 0;
00088         send_request = true;
00089     }
00090 }
00091 
00092 void test_emac_broadcast(void)
00093 {
00094     RESET_ALL_ERROR_FLAGS;
00095     SET_TRACE_LEVEL(TRACE_SEND | TRACE_ETH_FRAMES | TRACE_SUCCESS | TRACE_FAILURE);
00096 
00097     START_TEST_LOOP(test_emac_broadcast_cb, 1 * SECOND_TO_MS);
00098 
00099     PRINT_ERROR_FLAGS;
00100     TEST_ASSERT_FALSE(ERROR_FLAGS);
00101     RESET_OUTGOING_MSG_DATA;
00102 }
00103 
00104 #endif