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

138 lines
3.5 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
#ifndef MBED_CFG_UDP_CLIENT_ECHO_THREADS
#define MBED_CFG_UDP_CLIENT_ECHO_THREADS 3
#endif
const int ECHO_LOOPS = 16;
EthernetInterface net;
SocketAddress udp_addr;
Mutex iomutex;
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';
}
}
// 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;
public:
// Limiting stack size to 1k
Echo(): thread(osPriorityNormal, 1024) {
}
void start() {
osStatus status = thread.start(callback(this, &Echo::echo));
TEST_ASSERT_EQUAL(osOK, status);
}
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; i < ECHO_LOOPS; i++) {
prep_buffer(tx_buffer, sizeof(tx_buffer));
const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
iomutex.lock();
printf("[%02d] sent...%d Bytes \n", i, ret);
iomutex.unlock();
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 ((temp_addr == udp_addr &&
n == sizeof(tx_buffer) &&
memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
success += 1;
}
}
err = sock.close();
TEST_ASSERT_EQUAL(0, err);
TEST_ASSERT(success > 3*ECHO_LOOPS/4);
}
};
Echo echoers[MBED_CFG_UDP_CLIENT_ECHO_THREADS];
int main() {
GREENTEA_SETUP(60, "udp_echo");
int err = net.connect();
TEST_ASSERT_EQUAL(0, err);
printf("UDP client IP Address is %s\n", net.get_ip_address());
greentea_send_kv("target_ip", net.get_ip_address());
char recv_key[] = "host_port";
char ipbuf[60] = {0};
char portbuf[16] = {0};
unsigned int port = 0;
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);
udp_addr.set_ip_address(ipbuf);
udp_addr.set_port(port);
// Startup echo threads in parallel
for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
echoers[i].start();
}
for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
echoers[i].join();
}
net.disconnect();
GREENTEA_TESTSUITE_RESULT(true);
}