mbed-os/TESTS/netsocket/udp_echo_parallel/main.cpp

226 lines
6.1 KiB
C++

/*
* Copyright (c) 2013-2017, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MBED_CONF_APP_CONNECT_STATEMENT
#error [NOT_SUPPORTED] No network configuration found for this target.
#endif
#ifndef MBED_EXTENDED_TESTS
#error [NOT_SUPPORTED] Parallel tests are not supported by default
#endif
#include "mbed.h"
#include MBED_CONF_APP_HEADER_FILE
#include "UDPSocket.h"
#include "greentea-client/test_env.h"
#include "unity/unity.h"
#include "utest.h"
using namespace utest::v1;
#ifndef MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE
#define MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE 64
#endif
#ifndef MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT
#define MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT 500
#endif
#ifndef MBED_CFG_UDP_CLIENT_ECHO_THREADS
#define MBED_CFG_UDP_CLIENT_ECHO_THREADS 3
#endif
#define STRINGIZE(x) STRINGIZE2(x)
#define STRINGIZE2(x) #x
const int ECHO_LOOPS = 16;
NetworkInterface* net;
SocketAddress udp_addr;
Mutex iomutex;
char uuid[48] = {0};
// NOTE: assuming that "id" stays in the single digits
void prep_buffer(int id, char *uuid, char *tx_buffer, size_t tx_size) {
size_t i = 0;
tx_buffer[i++] = '0' + id;
tx_buffer[i++] = ' ';
memcpy(tx_buffer+i, uuid, strlen(uuid));
i += strlen(uuid);
tx_buffer[i++] = ' ';
for (; i<tx_size; ++i) {
tx_buffer[i] = (rand() % 10) + '0';
}
}
// Each echo class is in charge of one parallel transaction
class Echo {
private:
char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
UDPSocket sock;
Thread thread;
bool result;
int id;
char *uuid;
public:
// Limiting stack size to 1k
Echo(): thread(osPriorityNormal, 1024), result(false) {
}
void start(int id, char *uuid) {
this->id = id;
this->uuid = uuid;
osStatus status = thread.start(callback(this, &Echo::echo));
}
void join() {
osStatus status = thread.join();
TEST_ASSERT_EQUAL(osOK, status);
}
void echo() {
int success = 0;
int err = sock.open(net);
TEST_ASSERT_EQUAL(0, err);
sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
for (int i = 0; success < ECHO_LOOPS; i++) {
prep_buffer(id, uuid, tx_buffer, sizeof(tx_buffer));
const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
if (ret >= 0) {
iomutex.lock();
printf("[ID:%01d][%02d] sent %d bytes - %.*s \n", id, i, ret, ret, tx_buffer);
iomutex.unlock();
} else {
iomutex.lock();
printf("[ID:%01d][%02d] Network error %d\n", id, i, ret);
iomutex.unlock();
continue;
}
SocketAddress temp_addr;
const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
if (n >= 0) {
iomutex.lock();
printf("[ID:%01d][%02d] recv %d bytes - %.*s \n", id, i, n, n, tx_buffer);
iomutex.unlock();
} else {
iomutex.lock();
printf("[ID:%01d][%02d] Network error %d\n", id, i, n);
iomutex.unlock();
continue;
}
if ((temp_addr == udp_addr &&
n == sizeof(tx_buffer) &&
memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
success += 1;
iomutex.lock();
printf("[ID:%01d][%02d] success #%d\n", id, i, success);
iomutex.unlock();
continue;
}
// failed, clean out any remaining bad packets
sock.set_timeout(0);
while (true) {
err = sock.recvfrom(NULL, NULL, 0);
if (err == NSAPI_ERROR_WOULD_BLOCK) {
break;
}
}
sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
}
result = success == ECHO_LOOPS;
err = sock.close();
TEST_ASSERT_EQUAL(0, err);
if (err) {
result = false;
}
}
bool get_result() {
return result;
}
};
Echo *echoers[MBED_CFG_UDP_CLIENT_ECHO_THREADS];
void test_udp_echo_parallel() {
net = MBED_CONF_APP_OBJECT_CONSTRUCTION;
int err = MBED_CONF_APP_CONNECT_STATEMENT;
TEST_ASSERT_EQUAL(0, err);
if (err) {
printf("MBED: failed to connect with an error of %d\r\n", err);
GREENTEA_TESTSUITE_RESULT(false);
} else {
printf("UDP client IP Address is %s\n", net->get_ip_address());
udp_addr.set_ip_address(MBED_CONF_APP_ECHO_SERVER_ADDR);
udp_addr.set_port(MBED_CONF_APP_ECHO_SERVER_PORT);
// Startup echo threads in parallel
for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
echoers[i] = new Echo;
echoers[i]->start(i, uuid);
}
bool result = true;
for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
echoers[i]->join();
result = result && echoers[i]->get_result();
delete echoers[i];
}
net->disconnect();
TEST_ASSERT_EQUAL(true, result);
}
}
// Test setup
utest::v1::status_t test_setup(const size_t number_of_cases) {
GREENTEA_SETUP(120, "udp_echo");
return verbose_test_setup_handler(number_of_cases);
}
Case cases[] = {
Case("UDP echo parallel", test_udp_echo_parallel),
};
Specification specification(test_setup, cases);
int main() {
return !Harness::run(specification);
}