Add TCP Client Download

TESTS/mbedmicro-net/tcp_client_hello_world/main.cpp

@@ -0,0 +1,78 @@
+#include <algorithm>
+#include "mbed.h"
+#include "LWIPInterface.h"
+#include "TCPSocket.h"
+#include "greentea-client/test_env.h"
+#include "unity/unity.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;
+#if defined(TARGET_VK_RZ_A1H)
+    const int RECV_BUFFER_SIZE = 300;
+#else
+    const int RECV_BUFFER_SIZE = 512;
+#endif
+    // 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() {
+    GREENTEA_SETUP(20, "default_auto");
+
+    bool result = true;
+    LWIPInterface eth;
+    //eth.init(); //Use DHCP
+    eth.connect();
+    printf("TCP client IP Address is %s\r\n", eth.get_ip_address());
+
+    TCPSocket sock(&eth);
+    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(buffer, strlen(buffer));
+
+        // Server will respond with HTTP GET's success code
+        const int ret = sock.recv(buffer, sizeof(buffer) - 1);
+        buffer[ret] = '\0';
+
+        // Find 200 OK HTTP status in reply
+        bool found_200_ok = find_substring(buffer, buffer + ret, HTTP_OK_STR, HTTP_OK_STR + strlen(HTTP_OK_STR));
+        // Find "Hello World!" string in reply
+        bool found_hello = find_substring(buffer, buffer + ret, HTTP_HELLO_STR, HTTP_HELLO_STR + strlen(HTTP_HELLO_STR));
+
+        TEST_ASSERT_TRUE(found_200_ok);
+        TEST_ASSERT_TRUE(found_hello);
+
+        if (!found_200_ok) result = false;
+        if (!found_hello) result = false;
+
+        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 '%s' status ... %s\r\n", HTTP_HELLO_STR, found_hello ? "[OK]" : "[FAIL]");
+        printf("HTTP: Received massage:\r\n\r\n");
+        printf("%s", buffer);
+    }
+
+    sock.close();
+    eth.disconnect();
+    GREENTEA_TESTSUITE_RESULT(result);
+}