mirror of https://github.com/ARMmbed/mbed-os.git
121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
#if !FEATURE_LWIP
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#error [NOT_SUPPORTED] LWIP not supported for this target
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#endif
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#if DEVICE_EMAC
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#error [NOT_SUPPORTED] Not supported for WiFi targets
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#endif
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#include "mbed.h"
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#include "EthernetInterface.h"
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#include "UDPSocket.h"
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#include "greentea-client/test_env.h"
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#include "unity/unity.h"
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#ifndef MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE
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#define MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE 64
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#endif
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#ifndef MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT
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#define MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT 500
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#endif
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namespace {
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char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
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char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
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const char ASCII_MAX = '~' - ' ';
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const int ECHO_LOOPS = 16;
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}
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void prep_buffer(char *uuid_buffer, size_t uuid_len, char *tx_buffer, size_t tx_size) {
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size_t i = 0;
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for (; i<uuid_len; ++i) {
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tx_buffer[i] = uuid_buffer[i];
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}
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tx_buffer[i++] = ' ';
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for (; i<tx_size; ++i) {
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tx_buffer[i] = (rand() % 10) + '0';
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}
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}
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int main() {
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char uuid[48] = {0};
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GREENTEA_SETUP_UUID(60, "udp_echo", uuid, 48);
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printf("Got a uuid of %s\r\n", uuid);
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size_t uuid_len = strlen(uuid);
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EthernetInterface eth;
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int err = eth.connect();
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TEST_ASSERT_EQUAL(0, err);
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if (err) {
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printf("MBED: failed to connect with an error of %d\r\n", err);
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GREENTEA_TESTSUITE_RESULT(false);
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} else {
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printf("UDP client IP Address is %s\n", eth.get_ip_address());
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greentea_send_kv("target_ip", eth.get_ip_address());
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char recv_key[] = "host_port";
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char ipbuf[60] = {0};
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char portbuf[16] = {0};
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unsigned int port = 0;
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UDPSocket sock;
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sock.open(ð);
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sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
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greentea_send_kv("host_ip", " ");
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greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
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greentea_send_kv("host_port", " ");
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greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
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sscanf(portbuf, "%u", &port);
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printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
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SocketAddress udp_addr(ipbuf, port);
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int success = 0;
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int i = 0;
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while (success < ECHO_LOOPS) {
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prep_buffer(uuid, uuid_len, tx_buffer, sizeof(tx_buffer));
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const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
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if (ret >= 0) {
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printf("[%02d] sent %d Bytes - %.*s \n", i, ret, ret, tx_buffer);
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} else {
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printf("[%02d] Network error %d\n", i, ret);
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i++;
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continue;
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}
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SocketAddress temp_addr;
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const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
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if (n >= 0) {
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printf("[%02d] receive %d Bytes - %.*s \n", i, n, n, tx_buffer);
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} else {
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printf("[%02d] Network error %d\n", i, n);
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i++;
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continue;
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}
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if ((temp_addr == udp_addr &&
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n == sizeof(tx_buffer) &&
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memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
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success += 1;
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printf("[%02d] success #%d\n", i, success);
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}
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i++;
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}
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bool result = success == ECHO_LOOPS;
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sock.close();
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eth.disconnect();
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GREENTEA_TESTSUITE_RESULT(result);
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}
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}
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