Diff: easy-connect/esp8266-driver/TESTS/net/udp_echo/main.cpp

Revision:

0:24d3eb812fd4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/easy-connect/esp8266-driver/TESTS/net/udp_echo/main.cpp	Wed Sep 05 14:28:24 2018 +0000
@@ -0,0 +1,151 @@
+#include "mbed.h"
+#include "ESP8266Interface.h"
+#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
+
+#ifndef MBED_CFG_ESP8266_TX
+#define MBED_CFG_ESP8266_TX D1
+#endif
+
+#ifndef MBED_CFG_ESP8266_RX
+#define MBED_CFG_ESP8266_RX D0
+#endif
+
+#ifndef MBED_CFG_ESP8266_DEBUG
+#define MBED_CFG_ESP8266_DEBUG false
+#endif
+
+#define STRINGIZE(x) STRINGIZE2(x)
+#define STRINGIZE2(x) #x
+
+
+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() {
+    ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
+
+    int err = net.connect(STRINGIZE(MBED_CFG_ESP8266_SSID), STRINGIZE(MBED_CFG_ESP8266_PASS));
+    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());
+
+    greentea_send_kv("target_ip", net.get_ip_address());
+
+    char recv_key[] = "host_port";
+    char ipbuf[60] = {0};
+    char portbuf[16] = {0};
+    unsigned int port = 0;
+
+    UDPSocket sock;
+    sock.open(&net);
+    sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
+
+    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: UDP Server IP address received: %s:%d \n", ipbuf, port);
+    SocketAddress udp_addr(ipbuf, 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, tx_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(120, "udp_echo");
+    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);
+}
+