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#include "mbed.h"
#include "test_env.h"
#include "EthernetInterface.h"
#include <algorithm>
namespace {
const int BUFFER_SIZE = 64;
const int MAX_ECHO_LOOPS = 1000;
const char ASCII_MAX = '~' - ' ';
struct s_ip_address
{
int ip_1;
int ip_2;
int ip_3;
int ip_4;
};
}
char char_rand() {
return (rand() % ASCII_MAX) + ' ';
}
int main() {
MBED_HOSTTEST_TIMEOUT(20);
MBED_HOSTTEST_SELECT(tcpecho_client_auto);
MBED_HOSTTEST_DESCRIPTION(TCP client echo loop);
MBED_HOSTTEST_START("NET_13");
char buffer[BUFFER_SIZE] = {0};
char out_buffer[BUFFER_SIZE] = {0};
s_ip_address ip_addr = {0, 0, 0, 0};
int port = 0;
printf("MBED: TCPCllient waiting for server IP and port...\r\n");
scanf("%d.%d.%d.%d:%d", &ip_addr.ip_1, &ip_addr.ip_2, &ip_addr.ip_3, &ip_addr.ip_4, &port);
printf("MBED: Address received: %d.%d.%d.%d:%d\r\n", ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4, port);
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
printf("MBED: TCPClient IP Address is %s\r\n", eth.getIPAddress());
sprintf(buffer, "%d.%d.%d.%d", ip_addr.ip_1, ip_addr.ip_2, ip_addr.ip_3, ip_addr.ip_4);
TCPSocketConnection socket;
while (socket.connect(buffer, port) < 0) {
printf("MBED: TCPCllient unable to connect to %s:%d\r\n", buffer, port);
wait(1);
}
// Test loop for multiple client connections
bool result = true;
int count_error = 0;
for (int i = 0; i < MAX_ECHO_LOOPS; i++) {
std::generate(out_buffer, out_buffer + BUFFER_SIZE, char_rand);
socket.send_all(out_buffer, BUFFER_SIZE);
int n = socket.receive(buffer, BUFFER_SIZE);
if (n > 0)
{
bool echoed = memcmp(out_buffer, buffer, BUFFER_SIZE) == 0;
result = result && echoed;
if (echoed == false) {
count_error++; // Count error messages
}
}
}
printf("MBED: Loop messages passed: %d / %d\r\n", MAX_ECHO_LOOPS - count_error, MAX_ECHO_LOOPS);
if (notify_completion_str(result, buffer)) {
socket.send_all(buffer, strlen(buffer));
}
socket.close();
eth.disconnect();
MBED_HOSTTEST_RESULT(result);
}
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