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

82 lines
2.3 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 "TCPSocket.h"
#include "greentea-client/test_env.h"
#include "unity/unity.h"
#ifndef MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE
#define MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE 256
#endif
namespace {
char tx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
char rx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
const char ASCII_MAX = '~' - ' ';
}
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';
}
}
int main() {
GREENTEA_SETUP(20, "tcp_echo_client");
EthernetInterface eth;
eth.connect();
printf("MBED: TCPClient IP address is '%s'\n", eth.get_ip_address());
printf("MBED: TCPClient waiting for server IP and port...\n");
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};
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: Server IP address received: %s:%d \n", ipbuf, port);
TCPSocket sock(&eth);
SocketAddress tcp_addr(ipbuf, port);
if (sock.connect(tcp_addr) == 0) {
printf("HTTP: Connected to %s:%d\r\n", ipbuf, port);
printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
prep_buffer(tx_buffer, sizeof(tx_buffer));
sock.send(tx_buffer, sizeof(tx_buffer));
// Server will respond with HTTP GET's success code
const int ret = sock.recv(rx_buffer, sizeof(rx_buffer));
result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
TEST_ASSERT_EQUAL(true, result);
}
sock.close();
eth.disconnect();
GREENTEA_TESTSUITE_RESULT(result);
}