mbed-os/features/FEATURE_LWIP/TESTS/mbedmicro-net/udp_echo/main.cpp

121 lines
3.4 KiB
C++

#if !FEATURE_LWIP
#error [NOT_SUPPORTED] LWIP not supported for this target
#endif
#if DEVICE_EMAC
#error [NOT_SUPPORTED] Not supported for WiFi targets
#endif
#include "mbed.h"
#include "EthernetInterface.h"
#include "UDPSocket.h"
#include "greentea-client/test_env.h"
#include "unity/unity.h"
#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
namespace {
char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
const char ASCII_MAX = '~' - ' ';
const int ECHO_LOOPS = 16;
}
void prep_buffer(char *uuid_buffer, size_t uuid_len, char *tx_buffer, size_t tx_size) {
size_t i = 0;
for (; i<uuid_len; ++i) {
tx_buffer[i] = uuid_buffer[i];
}
tx_buffer[i++] = ' ';
for (; i<tx_size; ++i) {
tx_buffer[i] = (rand() % 10) + '0';
}
}
int main() {
char uuid[48] = {0};
GREENTEA_SETUP_UUID(60, "udp_echo", uuid, 48);
printf("Got a uuid of %s\r\n", uuid);
size_t uuid_len = strlen(uuid);
EthernetInterface eth;
int err = eth.connect();
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", eth.get_ip_address());
greentea_send_kv("target_ip", eth.get_ip_address());
char recv_key[] = "host_port";
char ipbuf[60] = {0};
char portbuf[16] = {0};
unsigned int port = 0;
UDPSocket sock;
sock.open(&eth);
sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
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("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
SocketAddress udp_addr(ipbuf, port);
int success = 0;
int i = 0;
while (success < ECHO_LOOPS) {
prep_buffer(uuid, uuid_len, tx_buffer, sizeof(tx_buffer));
const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
if (ret >= 0) {
printf("[%02d] sent %d Bytes - %.*s \n", i, ret, ret, tx_buffer);
} else {
printf("[%02d] Network error %d\n", i, ret);
i++;
continue;
}
SocketAddress temp_addr;
const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
if (n >= 0) {
printf("[%02d] receive %d Bytes - %.*s \n", i, n, n, tx_buffer);
} else {
printf("[%02d] Network error %d\n", i, n);
i++;
continue;
}
if ((temp_addr == udp_addr &&
n == sizeof(tx_buffer) &&
memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
success += 1;
printf("[%02d] success #%d\n", i, success);
}
i++;
}
bool result = success == ECHO_LOOPS;
sock.close();
eth.disconnect();
GREENTEA_TESTSUITE_RESULT(result);
}
}