mayuresh bharmoria / Mbed OS mbed-os-example-wifi

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esp8266-driver/TESTS/net/udp_echo_parallel/main.cpp@0:8f8e8f3cbd1c, 2018-06-21 (annotated)

Committer:
mayur098
Date:
Thu Jun 21 17:50:21 2018 +0000
Revision:
0:8f8e8f3cbd1c
first commit;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mayur098 0:8f8e8f3cbd1c 1 #ifndef MBED_EXTENDED_TESTS
mayur098 0:8f8e8f3cbd1c 2 #error [NOT_SUPPORTED] Parallel tests are not supported by default
mayur098 0:8f8e8f3cbd1c 3 #endif
mayur098 0:8f8e8f3cbd1c 4
mayur098 0:8f8e8f3cbd1c 5 #include "mbed.h"
mayur098 0:8f8e8f3cbd1c 6 #include "ESP8266Interface.h"
mayur098 0:8f8e8f3cbd1c 7 #include "UDPSocket.h"
mayur098 0:8f8e8f3cbd1c 8 #include "greentea-client/test_env.h"
mayur098 0:8f8e8f3cbd1c 9 #include "unity/unity.h"
mayur098 0:8f8e8f3cbd1c 10 #include "utest.h"
mayur098 0:8f8e8f3cbd1c 11
mayur098 0:8f8e8f3cbd1c 12 using namespace utest::v1;
mayur098 0:8f8e8f3cbd1c 13
mayur098 0:8f8e8f3cbd1c 14
mayur098 0:8f8e8f3cbd1c 15 #ifndef MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE
mayur098 0:8f8e8f3cbd1c 16 #define MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE 64
mayur098 0:8f8e8f3cbd1c 17 #endif
mayur098 0:8f8e8f3cbd1c 18
mayur098 0:8f8e8f3cbd1c 19 #ifndef MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT
mayur098 0:8f8e8f3cbd1c 20 #define MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT 500
mayur098 0:8f8e8f3cbd1c 21 #endif
mayur098 0:8f8e8f3cbd1c 22
mayur098 0:8f8e8f3cbd1c 23 #ifndef MBED_CFG_UDP_CLIENT_ECHO_THREADS
mayur098 0:8f8e8f3cbd1c 24 #define MBED_CFG_UDP_CLIENT_ECHO_THREADS 3
mayur098 0:8f8e8f3cbd1c 25 #endif
mayur098 0:8f8e8f3cbd1c 26
mayur098 0:8f8e8f3cbd1c 27 #ifndef MBED_CFG_ESP8266_TX
mayur098 0:8f8e8f3cbd1c 28 #define MBED_CFG_ESP8266_TX D1
mayur098 0:8f8e8f3cbd1c 29 #endif
mayur098 0:8f8e8f3cbd1c 30
mayur098 0:8f8e8f3cbd1c 31 #ifndef MBED_CFG_ESP8266_RX
mayur098 0:8f8e8f3cbd1c 32 #define MBED_CFG_ESP8266_RX D0
mayur098 0:8f8e8f3cbd1c 33 #endif
mayur098 0:8f8e8f3cbd1c 34
mayur098 0:8f8e8f3cbd1c 35 #ifndef MBED_CFG_ESP8266_DEBUG
mayur098 0:8f8e8f3cbd1c 36 #define MBED_CFG_ESP8266_DEBUG false
mayur098 0:8f8e8f3cbd1c 37 #endif
mayur098 0:8f8e8f3cbd1c 38
mayur098 0:8f8e8f3cbd1c 39 #define STRINGIZE(x) STRINGIZE2(x)
mayur098 0:8f8e8f3cbd1c 40 #define STRINGIZE2(x) #x
mayur098 0:8f8e8f3cbd1c 41
mayur098 0:8f8e8f3cbd1c 42
mayur098 0:8f8e8f3cbd1c 43 const int ECHO_LOOPS = 16;
mayur098 0:8f8e8f3cbd1c 44 ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
mayur098 0:8f8e8f3cbd1c 45 SocketAddress udp_addr;
mayur098 0:8f8e8f3cbd1c 46 Mutex iomutex;
mayur098 0:8f8e8f3cbd1c 47 char uuid[48] = {0};
mayur098 0:8f8e8f3cbd1c 48
mayur098 0:8f8e8f3cbd1c 49 // NOTE: assuming that "id" stays in the single digits
mayur098 0:8f8e8f3cbd1c 50 void prep_buffer(int id, char *uuid, char *tx_buffer, size_t tx_size) {
mayur098 0:8f8e8f3cbd1c 51 size_t i = 0;
mayur098 0:8f8e8f3cbd1c 52
mayur098 0:8f8e8f3cbd1c 53 tx_buffer[i++] = '0' + id;
mayur098 0:8f8e8f3cbd1c 54 tx_buffer[i++] = ' ';
mayur098 0:8f8e8f3cbd1c 55
mayur098 0:8f8e8f3cbd1c 56 memcpy(tx_buffer+i, uuid, strlen(uuid));
mayur098 0:8f8e8f3cbd1c 57 i += strlen(uuid);
mayur098 0:8f8e8f3cbd1c 58
mayur098 0:8f8e8f3cbd1c 59 tx_buffer[i++] = ' ';
mayur098 0:8f8e8f3cbd1c 60
mayur098 0:8f8e8f3cbd1c 61 for (; i<tx_size; ++i) {
mayur098 0:8f8e8f3cbd1c 62 tx_buffer[i] = (rand() % 10) + '0';
mayur098 0:8f8e8f3cbd1c 63 }
mayur098 0:8f8e8f3cbd1c 64 }
mayur098 0:8f8e8f3cbd1c 65
mayur098 0:8f8e8f3cbd1c 66
mayur098 0:8f8e8f3cbd1c 67 // Each echo class is in charge of one parallel transaction
mayur098 0:8f8e8f3cbd1c 68 class Echo {
mayur098 0:8f8e8f3cbd1c 69 private:
mayur098 0:8f8e8f3cbd1c 70 char tx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
mayur098 0:8f8e8f3cbd1c 71 char rx_buffer[MBED_CFG_UDP_CLIENT_ECHO_BUFFER_SIZE];
mayur098 0:8f8e8f3cbd1c 72
mayur098 0:8f8e8f3cbd1c 73 UDPSocket sock;
mayur098 0:8f8e8f3cbd1c 74 Thread thread;
mayur098 0:8f8e8f3cbd1c 75 bool result;
mayur098 0:8f8e8f3cbd1c 76 int id;
mayur098 0:8f8e8f3cbd1c 77 char *uuid;
mayur098 0:8f8e8f3cbd1c 78
mayur098 0:8f8e8f3cbd1c 79 public:
mayur098 0:8f8e8f3cbd1c 80 // Limiting stack size to 1k
mayur098 0:8f8e8f3cbd1c 81 Echo(): thread(osPriorityNormal, 1024), result(false) {
mayur098 0:8f8e8f3cbd1c 82 }
mayur098 0:8f8e8f3cbd1c 83
mayur098 0:8f8e8f3cbd1c 84 void start(int id, char *uuid) {
mayur098 0:8f8e8f3cbd1c 85 this->id = id;
mayur098 0:8f8e8f3cbd1c 86 this->uuid = uuid;
mayur098 0:8f8e8f3cbd1c 87 osStatus status = thread.start(callback(this, &Echo::echo));
mayur098 0:8f8e8f3cbd1c 88 }
mayur098 0:8f8e8f3cbd1c 89
mayur098 0:8f8e8f3cbd1c 90 void join() {
mayur098 0:8f8e8f3cbd1c 91 osStatus status = thread.join();
mayur098 0:8f8e8f3cbd1c 92 TEST_ASSERT_EQUAL(osOK, status);
mayur098 0:8f8e8f3cbd1c 93 }
mayur098 0:8f8e8f3cbd1c 94
mayur098 0:8f8e8f3cbd1c 95 void echo() {
mayur098 0:8f8e8f3cbd1c 96 int success = 0;
mayur098 0:8f8e8f3cbd1c 97
mayur098 0:8f8e8f3cbd1c 98 int err = sock.open(&net);
mayur098 0:8f8e8f3cbd1c 99 TEST_ASSERT_EQUAL(0, err);
mayur098 0:8f8e8f3cbd1c 100
mayur098 0:8f8e8f3cbd1c 101 sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
mayur098 0:8f8e8f3cbd1c 102
mayur098 0:8f8e8f3cbd1c 103 for (int i = 0; success < ECHO_LOOPS; i++) {
mayur098 0:8f8e8f3cbd1c 104 prep_buffer(id, uuid, tx_buffer, sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 105 const int ret = sock.sendto(udp_addr, tx_buffer, sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 106 if (ret >= 0) {
mayur098 0:8f8e8f3cbd1c 107 iomutex.lock();
mayur098 0:8f8e8f3cbd1c 108 printf("[ID:%01d][%02d] sent %d bytes - %.*s \n", id, i, ret, ret, tx_buffer);
mayur098 0:8f8e8f3cbd1c 109 iomutex.unlock();
mayur098 0:8f8e8f3cbd1c 110 } else {
mayur098 0:8f8e8f3cbd1c 111 iomutex.lock();
mayur098 0:8f8e8f3cbd1c 112 printf("[ID:%01d][%02d] Network error %d\n", id, i, ret);
mayur098 0:8f8e8f3cbd1c 113 iomutex.unlock();
mayur098 0:8f8e8f3cbd1c 114 continue;
mayur098 0:8f8e8f3cbd1c 115 }
mayur098 0:8f8e8f3cbd1c 116
mayur098 0:8f8e8f3cbd1c 117 SocketAddress temp_addr;
mayur098 0:8f8e8f3cbd1c 118 const int n = sock.recvfrom(&temp_addr, rx_buffer, sizeof(rx_buffer));
mayur098 0:8f8e8f3cbd1c 119 if (n >= 0) {
mayur098 0:8f8e8f3cbd1c 120 iomutex.lock();
mayur098 0:8f8e8f3cbd1c 121 printf("[ID:%01d][%02d] recv %d bytes - %.*s \n", id, i, n, n, tx_buffer);
mayur098 0:8f8e8f3cbd1c 122 iomutex.unlock();
mayur098 0:8f8e8f3cbd1c 123 } else {
mayur098 0:8f8e8f3cbd1c 124 iomutex.lock();
mayur098 0:8f8e8f3cbd1c 125 printf("[ID:%01d][%02d] Network error %d\n", id, i, n);
mayur098 0:8f8e8f3cbd1c 126 iomutex.unlock();
mayur098 0:8f8e8f3cbd1c 127 continue;
mayur098 0:8f8e8f3cbd1c 128 }
mayur098 0:8f8e8f3cbd1c 129
mayur098 0:8f8e8f3cbd1c 130 if ((temp_addr == udp_addr &&
mayur098 0:8f8e8f3cbd1c 131 n == sizeof(tx_buffer) &&
mayur098 0:8f8e8f3cbd1c 132 memcmp(rx_buffer, tx_buffer, sizeof(rx_buffer)) == 0)) {
mayur098 0:8f8e8f3cbd1c 133 success += 1;
mayur098 0:8f8e8f3cbd1c 134 iomutex.lock();
mayur098 0:8f8e8f3cbd1c 135 printf("[ID:%01d][%02d] success #%d\n", id, i, success);
mayur098 0:8f8e8f3cbd1c 136 iomutex.unlock();
mayur098 0:8f8e8f3cbd1c 137 continue;
mayur098 0:8f8e8f3cbd1c 138 }
mayur098 0:8f8e8f3cbd1c 139
mayur098 0:8f8e8f3cbd1c 140 // failed, clean out any remaining bad packets
mayur098 0:8f8e8f3cbd1c 141 sock.set_timeout(0);
mayur098 0:8f8e8f3cbd1c 142 while (true) {
mayur098 0:8f8e8f3cbd1c 143 err = sock.recvfrom(NULL, NULL, 0);
mayur098 0:8f8e8f3cbd1c 144 if (err == NSAPI_ERROR_WOULD_BLOCK) {
mayur098 0:8f8e8f3cbd1c 145 break;
mayur098 0:8f8e8f3cbd1c 146 }
mayur098 0:8f8e8f3cbd1c 147 }
mayur098 0:8f8e8f3cbd1c 148 sock.set_timeout(MBED_CFG_UDP_CLIENT_ECHO_TIMEOUT);
mayur098 0:8f8e8f3cbd1c 149 }
mayur098 0:8f8e8f3cbd1c 150
mayur098 0:8f8e8f3cbd1c 151 result = success == ECHO_LOOPS;
mayur098 0:8f8e8f3cbd1c 152
mayur098 0:8f8e8f3cbd1c 153 err = sock.close();
mayur098 0:8f8e8f3cbd1c 154 TEST_ASSERT_EQUAL(0, err);
mayur098 0:8f8e8f3cbd1c 155 if (err) {
mayur098 0:8f8e8f3cbd1c 156 result = false;
mayur098 0:8f8e8f3cbd1c 157 }
mayur098 0:8f8e8f3cbd1c 158 }
mayur098 0:8f8e8f3cbd1c 159
mayur098 0:8f8e8f3cbd1c 160 bool get_result() {
mayur098 0:8f8e8f3cbd1c 161 return result;
mayur098 0:8f8e8f3cbd1c 162 }
mayur098 0:8f8e8f3cbd1c 163 };
mayur098 0:8f8e8f3cbd1c 164
mayur098 0:8f8e8f3cbd1c 165 Echo *echoers[MBED_CFG_UDP_CLIENT_ECHO_THREADS];
mayur098 0:8f8e8f3cbd1c 166
mayur098 0:8f8e8f3cbd1c 167
mayur098 0:8f8e8f3cbd1c 168 void test_udp_echo_parallel() {
mayur098 0:8f8e8f3cbd1c 169 int err = net.connect(STRINGIZE(MBED_CFG_ESP8266_SSID), STRINGIZE(MBED_CFG_ESP8266_PASS));
mayur098 0:8f8e8f3cbd1c 170 TEST_ASSERT_EQUAL(0, err);
mayur098 0:8f8e8f3cbd1c 171
mayur098 0:8f8e8f3cbd1c 172 if (err) {
mayur098 0:8f8e8f3cbd1c 173 printf("MBED: failed to connect with an error of %d\r\n", err);
mayur098 0:8f8e8f3cbd1c 174 GREENTEA_TESTSUITE_RESULT(false);
mayur098 0:8f8e8f3cbd1c 175 } else {
mayur098 0:8f8e8f3cbd1c 176 printf("UDP client IP Address is %s\n", net.get_ip_address());
mayur098 0:8f8e8f3cbd1c 177
mayur098 0:8f8e8f3cbd1c 178 greentea_send_kv("target_ip", net.get_ip_address());
mayur098 0:8f8e8f3cbd1c 179
mayur098 0:8f8e8f3cbd1c 180 char recv_key[] = "host_port";
mayur098 0:8f8e8f3cbd1c 181 char ipbuf[60] = {0};
mayur098 0:8f8e8f3cbd1c 182 char portbuf[16] = {0};
mayur098 0:8f8e8f3cbd1c 183 unsigned int port = 0;
mayur098 0:8f8e8f3cbd1c 184
mayur098 0:8f8e8f3cbd1c 185 greentea_send_kv("host_ip", " ");
mayur098 0:8f8e8f3cbd1c 186 greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
mayur098 0:8f8e8f3cbd1c 187
mayur098 0:8f8e8f3cbd1c 188 greentea_send_kv("host_port", " ");
mayur098 0:8f8e8f3cbd1c 189 greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
mayur098 0:8f8e8f3cbd1c 190 sscanf(portbuf, "%u", &port);
mayur098 0:8f8e8f3cbd1c 191
mayur098 0:8f8e8f3cbd1c 192 printf("MBED: UDP Server IP address received: %s:%d \n", ipbuf, port);
mayur098 0:8f8e8f3cbd1c 193 udp_addr.set_ip_address(ipbuf);
mayur098 0:8f8e8f3cbd1c 194 udp_addr.set_port(port);
mayur098 0:8f8e8f3cbd1c 195
mayur098 0:8f8e8f3cbd1c 196 // Startup echo threads in parallel
mayur098 0:8f8e8f3cbd1c 197 for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
mayur098 0:8f8e8f3cbd1c 198 echoers[i] = new Echo;
mayur098 0:8f8e8f3cbd1c 199 echoers[i]->start(i, uuid);
mayur098 0:8f8e8f3cbd1c 200 }
mayur098 0:8f8e8f3cbd1c 201
mayur098 0:8f8e8f3cbd1c 202 bool result = true;
mayur098 0:8f8e8f3cbd1c 203
mayur098 0:8f8e8f3cbd1c 204 for (int i = 0; i < MBED_CFG_UDP_CLIENT_ECHO_THREADS; i++) {
mayur098 0:8f8e8f3cbd1c 205 echoers[i]->join();
mayur098 0:8f8e8f3cbd1c 206 result = result && echoers[i]->get_result();
mayur098 0:8f8e8f3cbd1c 207 delete echoers[i];
mayur098 0:8f8e8f3cbd1c 208 }
mayur098 0:8f8e8f3cbd1c 209
mayur098 0:8f8e8f3cbd1c 210 net.disconnect();
mayur098 0:8f8e8f3cbd1c 211 TEST_ASSERT_EQUAL(true, result);
mayur098 0:8f8e8f3cbd1c 212 }
mayur098 0:8f8e8f3cbd1c 213 }
mayur098 0:8f8e8f3cbd1c 214
mayur098 0:8f8e8f3cbd1c 215
mayur098 0:8f8e8f3cbd1c 216 // Test setup
mayur098 0:8f8e8f3cbd1c 217 utest::v1::status_t test_setup(const size_t number_of_cases) {
mayur098 0:8f8e8f3cbd1c 218 GREENTEA_SETUP(120, "udp_echo");
mayur098 0:8f8e8f3cbd1c 219 return verbose_test_setup_handler(number_of_cases);
mayur098 0:8f8e8f3cbd1c 220 }
mayur098 0:8f8e8f3cbd1c 221
mayur098 0:8f8e8f3cbd1c 222 Case cases[] = {
mayur098 0:8f8e8f3cbd1c 223 Case("UDP echo parallel", test_udp_echo_parallel),
mayur098 0:8f8e8f3cbd1c 224 };
mayur098 0:8f8e8f3cbd1c 225
mayur098 0:8f8e8f3cbd1c 226 Specification specification(test_setup, cases);
mayur098 0:8f8e8f3cbd1c 227
mayur098 0:8f8e8f3cbd1c 228 int main() {
mayur098 0:8f8e8f3cbd1c 229 return !Harness::run(specification);
mayur098 0:8f8e8f3cbd1c 230 }
mayur098 0:8f8e8f3cbd1c 231