mirror of https://github.com/ARMmbed/mbed-os.git
72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright (c) 2018, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if defined(MBED_CONF_RTOS_PRESENT)
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#include "mbed.h"
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#include "greentea-client/test_env.h"
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#include "unity.h"
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#include "utest.h"
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#include "dns_tests.h"
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#define RESULTS_NUM 1
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using namespace utest::v1;
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namespace {
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int ticker_us = 0;
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}
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static void test_dns_query_ticker(void)
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{
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ticker_us += 100;
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}
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void ASYNCHRONOUS_DNS_CACHE()
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{
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rtos::Semaphore semaphore;
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dns_application_data data;
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data.semaphore = &semaphore;
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Ticker ticker;
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ticker.attach_us(&test_dns_query_ticker, 100);
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nsapi_dns_reset();
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for (unsigned int i = 0; i < 5; i++) {
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int started_us = ticker_us;
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nsapi_error_t err = get_interface()->gethostbyname_async(dns_test_hosts[0],
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mbed::Callback<void(nsapi_error_t, SocketAddress *)>(hostbyname_cb, (void *) &data));
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TEST_ASSERT(err >= 0);
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semaphore.acquire();
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TEST_ASSERT_EQUAL(RESULTS_NUM, data.result);
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TEST_ASSERT(strlen(data.addr.get_ip_address()) > 1);
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int delay_ms = (ticker_us - started_us) / 1000;
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static int delay_first = delay_ms / 2;
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tr_info("Delays: first: %i, delay_ms: %i", delay_first, delay_ms);
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// Check that cached accesses are at least twice as fast as the first one
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TEST_ASSERT_TRUE(i == 0 || delay_ms <= delay_first);
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tr_info("DNS: query \"%s\" => \"%s\", time %i ms",
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dns_test_hosts[0], data.addr.get_ip_address(), delay_ms);
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}
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}
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#endif // defined(MBED_CONF_RTOS_PRESENT)
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