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

141 lines
4.3 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
#include "mbed.h"
#include MBED_CONF_APP_HEADER_FILE
#include "TCPSocket.h"
#include "greentea-client/test_env.h"
#include "unity/unity.h"
#include "utest.h"
using namespace utest::v1;
#ifndef MBED_CONF_APP_TCP_CLIENT_ECHO_BUFFER_SIZE
#define MBED_CONF_APP_TCP_CLIENT_ECHO_BUFFER_SIZE 256
#endif
namespace
{
char tx_buffer[MBED_CONF_APP_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
char rx_buffer[MBED_CONF_APP_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
}
void prep_buffer(char *tx_buffer, size_t tx_size)
{
for (size_t i = 0; i < tx_size; ++i) {
tx_buffer[i] = (rand() % 10) + '0';
}
}
void test_tcp_echo()
{
int n = 0;
NetworkInterface* net = MBED_CONF_APP_OBJECT_CONSTRUCTION;
int err = MBED_CONF_APP_CONNECT_STATEMENT;
if (err) {
printf("MBED: failed to connect with an error of %d\r\n", err);
TEST_ASSERT_EQUAL(0, err);
}
printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address());
bool result = false;
TCPSocket sock(net);
#if defined(MBED_CONF_APP_ECHO_SERVER_ADDR) && defined(MBED_CONF_APP_ECHO_SERVER_PORT)
printf("TCP: Connect to %s:%d\r\n", MBED_CONF_APP_ECHO_SERVER_ADDR, MBED_CONF_APP_ECHO_SERVER_PORT);
SocketAddress tcp_addr(MBED_CONF_APP_ECHO_SERVER_ADDR, MBED_CONF_APP_ECHO_SERVER_PORT);
#else /* MBED_CONF_APP_ECHO_SERVER_ADDR && MBED_CONF_APP_ECHO_SERVER_PORT */
char recv_key[] = "host_port";
char ipbuf[60] = {0};
char portbuf[16] = {0};
unsigned int port = 0;
greentea_send_kv("target_ip", net->get_ip_address());
greentea_send_kv("host_ip", " ");
greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
greentea_send_kv("host_port", " ");
greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
sscanf(portbuf, "%u", &port);
printf("TCP: Connect to %s:%d\r\n", ipbuf, port);
SocketAddress tcp_addr(ipbuf, port);
#endif /* MBED_CONF_APP_ECHO_SERVER_ADDR && MBED_CONF_APP_ECHO_SERVER_PORT */
if (sock.connect(tcp_addr) == 0) {
printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
prep_buffer(tx_buffer, sizeof(tx_buffer));
#if defined(MBED_CONF_APP_TCP_ECHO_PREFIX)
n = sock.recv(rx_buffer, sizeof(MBED_CONF_APP_TCP_ECHO_PREFIX));
if (n >= 0) {
printf("recv-ed prefix: %d bytes - %.*s \n", n, n, rx_buffer);
} else {
printf("Network error in receiving prefix: %d\n", n);
}
#endif /* MBED_CONF_APP_TCP_ECHO_PREFIX */
const int ret = sock.send(tx_buffer, sizeof(tx_buffer));
if (ret >= 0) {
printf("sent %d bytes - %.*s \n", ret, ret, tx_buffer);
} else {
printf("Network error %d\n", ret);
}
n = sock.recv(rx_buffer, sizeof(rx_buffer));
if (n >= 0) {
printf("recv %d bytes - %.*s \n", n, n, rx_buffer);
} else {
printf("Network error %d\n", n);
}
result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
TEST_ASSERT_EQUAL(true, result);
}
sock.close();
net->disconnect();
TEST_ASSERT_EQUAL(true, result);
}
// Test setup
utest::v1::status_t test_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(240, "tcp_echo");
return verbose_test_setup_handler(number_of_cases);
}
Case cases[] = {
Case("TCP echo", test_tcp_echo),
};
Specification specification(test_setup, cases);
int main()
{
return !Harness::run(specification);
}