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lwip - Added handling of packet loss to udp echo test 

Before the test would only succeed if all packets (16) succeed. Updated
to succeed if 75% succed.
pull/3265/head
Christopher Haster 2016-11-16 16:12:46 -06:00
parent 9df82e5811
commit 8e7a3c8b04
2 changed files with 23 additions and 12 deletions
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28
features/FEATURE_LWIP/TESTS/mbedmicro-net/udp_echo/main.cpp
View File

@ -10,11 +10,17 @@
#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 256
#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};
@ -37,8 +43,6 @@ int main() {
greentea_send_kv("target_ip", eth.get_ip_address());
bool result = false;
char recv_key[] = "host_port";
char ipbuf[60] = {0};
char portbuf[16] = {0};
@ -46,6 +50,7 @@ int main() {
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));
@ -55,25 +60,28 @@ int main() {
sscanf(portbuf, "%u", &port);
printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
SocketAddress udp_addr(ipbuf, port);
SocketAddress addr(ipbuf, port);
int success = 0;
for (int i=0; i < ECHO_LOOPS; ++i) {
prep_buffer(tx_buffer, sizeof(tx_buffer));
const int ret = sock.sendto(addr, tx_buffer, sizeof(tx_buffer));
const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
printf("[%02d] sent...%d Bytes \n", i, ret);
const int n = sock.recvfrom(&addr, rx_buffer, sizeof(rx_buffer));
SocketAddress temp_addr;
const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
printf("[%02d] recv...%d Bytes \n", i, n);
if (memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer))) {
result = false;
break;
if ((temp_addr == udp_addr &&
n == sizeof(tx_buffer) &&
memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
success += 1;
}
result = true;
}
bool result = (success > 3*ECHO_LOOPS/4);
sock.close();
eth.disconnect();
GREENTEA_TESTSUITE_RESULT(result);

7
features/FEATURE_LWIP/TESTS/mbedmicro-net/udp_echo_parallel/main.cpp
View File

@ -69,12 +69,15 @@ public:
printf("[%02d] sent...%d Bytes \n", i, ret);
iomutex.unlock();
const int n = sock.recvfrom(&udp_addr, rx_buffer, sizeof(rx_buffer));
SocketAddress temp_addr;
const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
iomutex.lock();
printf("[%02d] recv...%d Bytes \n", i, n);
iomutex.unlock();
if (memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0) {
if ((temp_addr == udp_addr &&
n == sizeof(tx_buffer) &&
memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
success += 1;
}
}