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

Revision:

0:24d3eb812fd4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/easy-connect/esp8266-driver/TESTS/net/udp_echo_parallel/main.cpp	Wed Sep 05 14:28:24 2018 +0000
@@ -0,0 +1,231 @@
+#ifndef MBED_EXTENDED_TESTS
+    #error [NOT_SUPPORTED] Parallel tests are not supported by default
+#endif
+
+#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_UDP_CLIENT_ECHO_THREADS
+#define MBED_CFG_UDP_CLIENT_ECHO_THREADS 3
+#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
+
+
+const int ECHO_LOOPS = 16;
+ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
+SocketAddress udp_addr;
+Mutex iomutex;
+char uuid[48] = {0};
+
+// NOTE: assuming that "id" stays in the single digits
+void prep_buffer(int id, char *uuid, char *tx_buffer, size_t tx_size) {
+    size_t i = 0;
+
+    tx_buffer[i++] = '0' + id;
+    tx_buffer[i++] = ' ';
+
+    memcpy(tx_buffer+i, uuid, strlen(uuid));
+    i += strlen(uuid);
+
+    tx_buffer[i++] = ' ';
+
+    for (; i<tx_size; ++i) {
+        tx_buffer[i] = (rand() % 10) + '0';
+    }
+}
+
+
+// Each echo class is in charge of one parallel transaction
+class Echo {
+private:
+    char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
+    char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
+
+    UDPSocket sock;
+    Thread thread;
+    bool result;
+    int id;
+    char *uuid;
+
+public:
+    // Limiting stack size to 1k
+    Echo(): thread(osPriorityNormal, 1024), result(false) {
+    }
+
+    void start(int id, char *uuid) {
+        this->id = id;
+        this->uuid = uuid;
+        osStatus status = thread.start(callback(this, &Echo::echo));
+    }
+
+    void join() {
+        osStatus status = thread.join();
+        TEST_ASSERT_EQUAL(osOK, status);
+    }
+
+    void echo() {
+        int success = 0;
+
+        int err = sock.open(&net);
+        TEST_ASSERT_EQUAL(0, err);
+
+        sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
+
+        for (int i = 0; success < ECHO_LOOPS; i++) {
+            prep_buffer(id, uuid, tx_buffer, sizeof(tx_buffer));
+            const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
+            if (ret >= 0) {
+                iomutex.lock();
+                printf("[ID:%01d][%02d] sent %d bytes - %.*s  \n", id, i, ret, ret, tx_buffer);
+                iomutex.unlock();
+            } else {
+                iomutex.lock();
+                printf("[ID:%01d][%02d] Network error %d\n", id, i, ret);
+                iomutex.unlock();
+                continue;
+            }
+
+            SocketAddress temp_addr;
+            const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
+            if (n >= 0) {
+                iomutex.lock();
+                printf("[ID:%01d][%02d] recv %d bytes - %.*s  \n", id, i, n, n, tx_buffer);
+                iomutex.unlock();
+            } else {
+                iomutex.lock();
+                printf("[ID:%01d][%02d] Network error %d\n", id, i, n);
+                iomutex.unlock();
+                continue;
+            }
+
+            if ((temp_addr == udp_addr &&
+                 n == sizeof(tx_buffer) &&
+                 memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
+                success += 1;
+                iomutex.lock();
+                printf("[ID:%01d][%02d] success #%d\n", id, i, success);
+                iomutex.unlock();
+                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);
+        }
+
+        result = success == ECHO_LOOPS;
+
+        err = sock.close();
+        TEST_ASSERT_EQUAL(0, err);
+        if (err) {
+            result = false;
+        }
+    }
+
+    bool get_result() {
+        return result;
+    }
+};
+
+Echo *echoers[MBED_CFG_UDP_CLIENT_ECHO_THREADS];
+
+
+void test_udp_echo_parallel() {
+    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);
+        GREENTEA_TESTSUITE_RESULT(false);
+    } else {
+        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;
+
+        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);
+        udp_addr.set_ip_address(ipbuf);
+        udp_addr.set_port(port);
+
+        // Startup echo threads in parallel
+        for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
+            echoers[i] = new Echo;
+            echoers[i]->start(i, uuid);
+        }
+
+        bool result = true;
+
+        for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
+            echoers[i]->join();
+            result = result && echoers[i]->get_result();
+            delete echoers[i];
+        }
+
+        net.disconnect();
+        TEST_ASSERT_EQUAL(true, result);
+    }
+}
+
+
+// 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 parallel", test_udp_echo_parallel),
+};
+
+Specification specification(test_setup, cases);
+
+int main() {
+    return !Harness::run(specification);
+}
+