Diff: mbed-os/TESTS/netsocket/udp_echo/main.cpp

Revision:

0:6bf0743ece18

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/TESTS/netsocket/udp_echo/main.cpp	Sat Mar 28 15:28:19 2020 +0000
@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2013-2017, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MBED_CONF_APP_CONNECT_STATEMENT
+    #error [NOT_SUPPORTED] No network configuration found for this target.
+#endif
+
+#include "mbed.h"
+#include MBED_CONF_APP_HEADER_FILE
+#include "UDPSocket.h"
+#include "greentea-client/test_env.h"
+#include "unity/unity.h"
+#include "utest.h"
+
+using namespace utest::v1;
+
+
+#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
+
+namespace {
+    char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE] = {0};
+    const char ASCII_MAX = '~' - ' ';
+    const int ECHO_LOOPS = 16;
+    char uuid[48] = {0};
+}
+
+void prep_buffer(char *uuid, char *tx_buffer, size_t tx_size) {
+    size_t i = 0;
+
+    memcpy(tx_buffer, uuid, strlen(uuid));
+    i += strlen(uuid);
+
+    tx_buffer[i++] = ' ';
+
+    for (; i<tx_size; ++i) {
+        tx_buffer[i] = (rand() % 10) + '0';
+    }
+}
+
+void test_udp_echo() {
+
+    NetworkInterface* net = MBED_CONF_APP_OBJECT_CONSTRUCTION;
+    int err =  MBED_CONF_APP_CONNECT_STATEMENT;
+
+    TEST_ASSERT_EQUAL(0, err);
+
+    if (err) {
+        printf("MBED: failed to connect with an error of %d\r\n", err);
+        TEST_ASSERT_EQUAL(0, err);
+    }
+
+    printf("UDP client IP Address is %s\n", net->get_ip_address());
+
+    UDPSocket sock;
+    sock.open(net);
+    sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
+
+    SocketAddress udp_addr(MBED_CONF_APP_ECHO_SERVER_ADDR, MBED_CONF_APP_ECHO_SERVER_PORT);
+
+    int success = 0;
+    for (int i = 0; success < ECHO_LOOPS; i++) {
+        prep_buffer(uuid, tx_buffer, sizeof(tx_buffer));
+        const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
+        if (ret >= 0) {
+            printf("[%02d] sent %d bytes - %.*s  \n", i, ret, ret, tx_buffer);
+        } else {
+            printf("[%02d] Network error %d\n", i, ret);
+            continue;
+        }
+
+        SocketAddress temp_addr;
+        const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
+        if (n >= 0) {
+            printf("[%02d] recv %d bytes - %.*s  \n", i, n, n, rx_buffer);
+        } else {
+            printf("[%02d] Network error %d\n", i, n);
+            continue;
+        }
+
+        if ((temp_addr == udp_addr &&
+             n == sizeof(tx_buffer) &&
+             memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
+            success += 1;
+
+            printf("[%02d] success #%d\n", i, success);
+            continue;
+        }
+
+        // failed, clean out any remaining bad packets
+        sock.set_timeout(0);
+        while (true) {
+            err = sock.recvfrom(NULL, NULL, 0);
+            if (err == NSAPI_ERROR_WOULD_BLOCK) {
+                break;
+            }
+        }
+        sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
+    }
+
+    sock.close();
+    net->disconnect();
+    TEST_ASSERT_EQUAL(ECHO_LOOPS, success);
+}
+
+
+// Test setup
+utest::v1::status_t test_setup(const size_t number_of_cases) {
+    GREENTEA_SETUP(240, "udp_echo");
+
+    // create mac address based on uuid
+    uint64_t mac = 0;
+    for (int i = 0; i < sizeof(uuid); i++) {
+        mac += uuid[i];
+    }
+    //mbed_set_mac_address((const char*)mac, /*coerce control bits*/ 1);
+
+    return verbose_test_setup_handler(number_of_cases);
+}
+
+Case cases[] = {
+    Case("UDP echo", test_udp_echo),
+};
+
+Specification specification(test_setup, cases);
+
+int main() {
+    return !Harness::run(specification);
+}