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#include <algorithm>
#include "mbed.h"
#include "EthernetInterface.h"
#include "test_env.h"
namespace {
// Test connection information
const char *HTTP_SERVER_NAME = "developer.mbed.org";
const char *HTTP_SERVER_FILE_PATH = "/media/uploads/mbed_official/hello.txt";
const int HTTP_SERVER_PORT = 80;
const int RECV_BUFFER_SIZE = 512;
// Test related data
const char *HTTP_OK_STR = "200 OK";
const char *HTTP_HELLO_STR = "Hello world!";
// Test buffers
char buffer[RECV_BUFFER_SIZE] = {0};
}
bool find_substring(const char *first, const char *last, const char *s_first, const char *s_last) {
const char *f = std::search(first, last, s_first, s_last);
return (f != last);
}
int main() {
MBED_HOSTTEST_TIMEOUT(20);
MBED_HOSTTEST_SELECT(default_auto);
MBED_HOSTTEST_DESCRIPTION(TCP client hello world);
MBED_HOSTTEST_START("NET_1");
bool result = false;
EthernetInterface eth;
eth.init(); //Use DHCP
eth.connect();
printf("TCP client IP Address is %s\r\n", eth.getIPAddress());
TCPSocketConnection sock;
if (sock.connect(HTTP_SERVER_NAME, HTTP_SERVER_PORT) == 0) {
printf("HTTP: Connected to %s:%d\r\n", HTTP_SERVER_NAME, HTTP_SERVER_PORT);
// We are constructing GET command like this:
// GET http://developer.mbed.org/media/uploads/mbed_official/hello.txt HTTP/1.0\n\n
strcpy(buffer, "GET http://");
strcat(buffer, HTTP_SERVER_NAME);
strcat(buffer, HTTP_SERVER_FILE_PATH);
strcat(buffer, " HTTP/1.0\n\n");
// Send GET command
sock.send_all(buffer, strlen(buffer));
// Server will respond with HTTP GET's success code
bool found_200_ok = false;
{
const int ret = sock.receive(buffer, sizeof(buffer) - 1);
buffer[ret] = '\0';
// Find 200 OK HTTP status in reply
found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
printf("HTTP: Received %d chars from server\r\n", ret);
printf("HTTP: Received 200 OK status ... %s\r\n", found_200_ok ? "[OK]" : "[FAIL]");
printf("HTTP: Received massage:\r\n\r\n");
printf("%s", buffer);
}
// Server will respond with requested file content
bool found_hello = false;
{
const int ret = sock.receive(buffer, sizeof(buffer) - 1);
buffer[ret] = '\0';
// Find Hello World! in reply
found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
printf("HTTP: Received %d chars from server\r\n", ret);
printf("HTTP: Received '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
printf("HTTP: Received massage:\r\n\r\n");
printf("%s", buffer);
}
if (found_200_ok && found_hello) {
result = true;
}
}
sock.close();
eth.disconnect();
MBED_HOSTTEST_RESULT(result);
}
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