Jim Flynn / Mbed OS wifi_Example

wifi test

Dependencies:   X_NUCLEO_IKS01A2 mbed-http

easy-connect/wizfi310-driver/TESTS/net/tcp_packet_pressure_parallel/main.cpp@0:24d3eb812fd4, 2018-09-05 (annotated)

Committer:
JMF
Date:
Wed Sep 05 14:28:24 2018 +0000
Revision:
0:24d3eb812fd4
Initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JMF 0:24d3eb812fd4 1 #ifndef MBED_EXTENDED_TESTS
JMF 0:24d3eb812fd4 2 #error [NOT_SUPPORTED] Parallel pressure tests are not supported by default
JMF 0:24d3eb812fd4 3 #endif
JMF 0:24d3eb812fd4 4
JMF 0:24d3eb812fd4 5 #include "mbed.h"
JMF 0:24d3eb812fd4 6 #include "WizFi310Interface.h"
JMF 0:24d3eb812fd4 7 #include "TCPSocket.h"
JMF 0:24d3eb812fd4 8 #include "greentea-client/test_env.h"
JMF 0:24d3eb812fd4 9 #include "unity/unity.h"
JMF 0:24d3eb812fd4 10 #include "utest.h"
JMF 0:24d3eb812fd4 11
JMF 0:24d3eb812fd4 12 using namespace utest::v1;
JMF 0:24d3eb812fd4 13
JMF 0:24d3eb812fd4 14
JMF 0:24d3eb812fd4 15 #ifndef MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN
JMF 0:24d3eb812fd4 16 #define MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN 64
JMF 0:24d3eb812fd4 17 #endif
JMF 0:24d3eb812fd4 18
JMF 0:24d3eb812fd4 19 #ifndef MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MAX
JMF 0:24d3eb812fd4 20 #define MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MAX 0x80000
JMF 0:24d3eb812fd4 21 #endif
JMF 0:24d3eb812fd4 22
JMF 0:24d3eb812fd4 23 #ifndef MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_SEED
JMF 0:24d3eb812fd4 24 #define MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_SEED 0x6d626564
JMF 0:24d3eb812fd4 25 #endif
JMF 0:24d3eb812fd4 26
JMF 0:24d3eb812fd4 27 #ifndef MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS
JMF 0:24d3eb812fd4 28 #define MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS 3
JMF 0:24d3eb812fd4 29 #endif
JMF 0:24d3eb812fd4 30
JMF 0:24d3eb812fd4 31 #ifndef MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_DEBUG
JMF 0:24d3eb812fd4 32 #define MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_DEBUG false
JMF 0:24d3eb812fd4 33 #endif
JMF 0:24d3eb812fd4 34
JMF 0:24d3eb812fd4 35 #ifndef MBED_CFG_WIZFI310_TX
JMF 0:24d3eb812fd4 36 #define MBED_CFG_WIZFI310_TX D1
JMF 0:24d3eb812fd4 37 #endif
JMF 0:24d3eb812fd4 38
JMF 0:24d3eb812fd4 39 #ifndef MBED_CFG_WIZFI310_RX
JMF 0:24d3eb812fd4 40 #define MBED_CFG_WIZFI310_RX D0
JMF 0:24d3eb812fd4 41 #endif
JMF 0:24d3eb812fd4 42
JMF 0:24d3eb812fd4 43 #ifndef MBED_CFG_WIZFI310_DEBUG
JMF 0:24d3eb812fd4 44 #define MBED_CFG_WIZFI310_DEBUG false
JMF 0:24d3eb812fd4 45 #endif
JMF 0:24d3eb812fd4 46
JMF 0:24d3eb812fd4 47 #define STRINGIZE(x) STRINGIZE2(x)
JMF 0:24d3eb812fd4 48 #define STRINGIZE2(x) #x
JMF 0:24d3eb812fd4 49
JMF 0:24d3eb812fd4 50
JMF 0:24d3eb812fd4 51 // Simple xorshift pseudorandom number generator
JMF 0:24d3eb812fd4 52 class RandSeq {
JMF 0:24d3eb812fd4 53 private:
JMF 0:24d3eb812fd4 54 uint32_t x;
JMF 0:24d3eb812fd4 55 uint32_t y;
JMF 0:24d3eb812fd4 56 static const int A = 15;
JMF 0:24d3eb812fd4 57 static const int B = 18;
JMF 0:24d3eb812fd4 58 static const int C = 11;
JMF 0:24d3eb812fd4 59
JMF 0:24d3eb812fd4 60 public:
JMF 0:24d3eb812fd4 61 RandSeq(uint32_t seed=MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_SEED)
JMF 0:24d3eb812fd4 62 : x(seed), y(seed) {}
JMF 0:24d3eb812fd4 63
JMF 0:24d3eb812fd4 64 uint32_t next(void) {
JMF 0:24d3eb812fd4 65 x ^= x << A;
JMF 0:24d3eb812fd4 66 x ^= x >> B;
JMF 0:24d3eb812fd4 67 x ^= y ^ (y >> C);
JMF 0:24d3eb812fd4 68 return x + y;
JMF 0:24d3eb812fd4 69 }
JMF 0:24d3eb812fd4 70
JMF 0:24d3eb812fd4 71 void skip(size_t size) {
JMF 0:24d3eb812fd4 72 for (size_t i = 0; i < size; i++) {
JMF 0:24d3eb812fd4 73 next();
JMF 0:24d3eb812fd4 74 }
JMF 0:24d3eb812fd4 75 }
JMF 0:24d3eb812fd4 76
JMF 0:24d3eb812fd4 77 void buffer(uint8_t *buffer, size_t size) {
JMF 0:24d3eb812fd4 78 RandSeq lookahead = *this;
JMF 0:24d3eb812fd4 79
JMF 0:24d3eb812fd4 80 for (size_t i = 0; i < size; i++) {
JMF 0:24d3eb812fd4 81 buffer[i] = lookahead.next() & 0xff;
JMF 0:24d3eb812fd4 82 }
JMF 0:24d3eb812fd4 83 }
JMF 0:24d3eb812fd4 84
JMF 0:24d3eb812fd4 85 int cmp(uint8_t *buffer, size_t size) {
JMF 0:24d3eb812fd4 86 RandSeq lookahead = *this;
JMF 0:24d3eb812fd4 87
JMF 0:24d3eb812fd4 88 for (size_t i = 0; i < size; i++) {
JMF 0:24d3eb812fd4 89 int diff = buffer[i] - (lookahead.next() & 0xff);
JMF 0:24d3eb812fd4 90 if (diff != 0) {
JMF 0:24d3eb812fd4 91 return diff;
JMF 0:24d3eb812fd4 92 }
JMF 0:24d3eb812fd4 93 }
JMF 0:24d3eb812fd4 94 return 0;
JMF 0:24d3eb812fd4 95 }
JMF 0:24d3eb812fd4 96 };
JMF 0:24d3eb812fd4 97
JMF 0:24d3eb812fd4 98
JMF 0:24d3eb812fd4 99 // Tries to get the biggest buffer possible on the device. Exponentially
JMF 0:24d3eb812fd4 100 // grows a buffer until heap runs out of space, and uses half to leave
JMF 0:24d3eb812fd4 101 // space for the rest of the program
JMF 0:24d3eb812fd4 102 void generate_buffer(uint8_t **buffer, size_t *size, size_t min, size_t max) {
JMF 0:24d3eb812fd4 103 size_t i = min;
JMF 0:24d3eb812fd4 104 while (i < max) {
JMF 0:24d3eb812fd4 105 void *b = malloc(i);
JMF 0:24d3eb812fd4 106 if (!b) {
JMF 0:24d3eb812fd4 107 i /= 4;
JMF 0:24d3eb812fd4 108 if (i < min) {
JMF 0:24d3eb812fd4 109 i = min;
JMF 0:24d3eb812fd4 110 }
JMF 0:24d3eb812fd4 111 break;
JMF 0:24d3eb812fd4 112 }
JMF 0:24d3eb812fd4 113 free(b);
JMF 0:24d3eb812fd4 114 i *= 2;
JMF 0:24d3eb812fd4 115 }
JMF 0:24d3eb812fd4 116
JMF 0:24d3eb812fd4 117 *buffer = (uint8_t *)malloc(i);
JMF 0:24d3eb812fd4 118 *size = i;
JMF 0:24d3eb812fd4 119 TEST_ASSERT(buffer);
JMF 0:24d3eb812fd4 120 }
JMF 0:24d3eb812fd4 121
JMF 0:24d3eb812fd4 122
JMF 0:24d3eb812fd4 123 // Global variables shared between pressure tests
JMF 0:24d3eb812fd4 124 WizFi310Interface net(MBED_CFG_WIZFI310_TX, MBED_CFG_WIZFI310_RX, MBED_CFG_WIZFI310_DEBUG);
JMF 0:24d3eb812fd4 125 SocketAddress tcp_addr;
JMF 0:24d3eb812fd4 126 Timer timer;
JMF 0:24d3eb812fd4 127 Mutex iomutex;
JMF 0:24d3eb812fd4 128
JMF 0:24d3eb812fd4 129 // Single instance of a pressure test
JMF 0:24d3eb812fd4 130 class PressureTest {
JMF 0:24d3eb812fd4 131 private:
JMF 0:24d3eb812fd4 132 uint8_t *buffer;
JMF 0:24d3eb812fd4 133 size_t buffer_size;
JMF 0:24d3eb812fd4 134
JMF 0:24d3eb812fd4 135 TCPSocket sock;
JMF 0:24d3eb812fd4 136 Thread thread;
JMF 0:24d3eb812fd4 137
JMF 0:24d3eb812fd4 138 public:
JMF 0:24d3eb812fd4 139 PressureTest(uint8_t *buffer, size_t buffer_size)
JMF 0:24d3eb812fd4 140 : buffer(buffer), buffer_size(buffer_size) {
JMF 0:24d3eb812fd4 141 }
JMF 0:24d3eb812fd4 142
JMF 0:24d3eb812fd4 143 void start() {
JMF 0:24d3eb812fd4 144 osStatus status = thread.start(callback(this, &PressureTest::run));
JMF 0:24d3eb812fd4 145 TEST_ASSERT_EQUAL(osOK, status);
JMF 0:24d3eb812fd4 146 }
JMF 0:24d3eb812fd4 147
JMF 0:24d3eb812fd4 148 void join() {
JMF 0:24d3eb812fd4 149 osStatus status = thread.join();
JMF 0:24d3eb812fd4 150 TEST_ASSERT_EQUAL(osOK, status);
JMF 0:24d3eb812fd4 151 }
JMF 0:24d3eb812fd4 152
JMF 0:24d3eb812fd4 153 void run() {
JMF 0:24d3eb812fd4 154 // Tests exponentially growing sequences
JMF 0:24d3eb812fd4 155 for (size_t size = MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN;
JMF 0:24d3eb812fd4 156 size < MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MAX;
JMF 0:24d3eb812fd4 157 size *= 2) {
JMF 0:24d3eb812fd4 158 int err = sock.open(&net);
JMF 0:24d3eb812fd4 159 TEST_ASSERT_EQUAL(0, err);
JMF 0:24d3eb812fd4 160 err = sock.connect(tcp_addr);
JMF 0:24d3eb812fd4 161 TEST_ASSERT_EQUAL(0, err);
JMF 0:24d3eb812fd4 162 iomutex.lock();
JMF 0:24d3eb812fd4 163 printf("TCP: %s:%d streaming %d bytes\r\n",
JMF 0:24d3eb812fd4 164 tcp_addr.get_ip_address(), tcp_addr.get_port(), size);
JMF 0:24d3eb812fd4 165 iomutex.unlock();
JMF 0:24d3eb812fd4 166
JMF 0:24d3eb812fd4 167 sock.set_blocking(false);
JMF 0:24d3eb812fd4 168
JMF 0:24d3eb812fd4 169 // Loop to send/recv all data
JMF 0:24d3eb812fd4 170 RandSeq tx_seq;
JMF 0:24d3eb812fd4 171 RandSeq rx_seq;
JMF 0:24d3eb812fd4 172 size_t rx_count = 0;
JMF 0:24d3eb812fd4 173 size_t tx_count = 0;
JMF 0:24d3eb812fd4 174 size_t window = buffer_size;
JMF 0:24d3eb812fd4 175
JMF 0:24d3eb812fd4 176 while (tx_count < size || rx_count < size) {
JMF 0:24d3eb812fd4 177 // Send out data
JMF 0:24d3eb812fd4 178 if (tx_count < size) {
JMF 0:24d3eb812fd4 179 size_t chunk_size = size - tx_count;
JMF 0:24d3eb812fd4 180 if (chunk_size > window) {
JMF 0:24d3eb812fd4 181 chunk_size = window;
JMF 0:24d3eb812fd4 182 }
JMF 0:24d3eb812fd4 183
JMF 0:24d3eb812fd4 184 tx_seq.buffer(buffer, chunk_size);
JMF 0:24d3eb812fd4 185 int td = sock.send(buffer, chunk_size);
JMF 0:24d3eb812fd4 186
JMF 0:24d3eb812fd4 187 if (td > 0) {
JMF 0:24d3eb812fd4 188 if (MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_DEBUG) {
JMF 0:24d3eb812fd4 189 iomutex.lock();
JMF 0:24d3eb812fd4 190 printf("TCP: tx -> %d\r\n", td);
JMF 0:24d3eb812fd4 191 iomutex.unlock();
JMF 0:24d3eb812fd4 192 }
JMF 0:24d3eb812fd4 193 tx_seq.skip(td);
JMF 0:24d3eb812fd4 194 tx_count += td;
JMF 0:24d3eb812fd4 195 } else if (td != NSAPI_ERROR_WOULD_BLOCK) {
JMF 0:24d3eb812fd4 196 // We may fail to send because of buffering issues,
JMF 0:24d3eb812fd4 197 // cut buffer in half
JMF 0:24d3eb812fd4 198 if (window > MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN) {
JMF 0:24d3eb812fd4 199 window /= 2;
JMF 0:24d3eb812fd4 200 }
JMF 0:24d3eb812fd4 201
JMF 0:24d3eb812fd4 202 if (MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_DEBUG) {
JMF 0:24d3eb812fd4 203 iomutex.lock();
JMF 0:24d3eb812fd4 204 printf("TCP: Not sent (%d), window = %d\r\n", td, window);
JMF 0:24d3eb812fd4 205 iomutex.unlock();
JMF 0:24d3eb812fd4 206 }
JMF 0:24d3eb812fd4 207 }
JMF 0:24d3eb812fd4 208 }
JMF 0:24d3eb812fd4 209
JMF 0:24d3eb812fd4 210 // Verify recieved data
JMF 0:24d3eb812fd4 211 while (rx_count < size) {
JMF 0:24d3eb812fd4 212 int rd = sock.recv(buffer, buffer_size);
JMF 0:24d3eb812fd4 213 TEST_ASSERT(rd > 0 || rd == NSAPI_ERROR_WOULD_BLOCK);
JMF 0:24d3eb812fd4 214 if (rd > 0) {
JMF 0:24d3eb812fd4 215 if (MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_DEBUG) {
JMF 0:24d3eb812fd4 216 iomutex.lock();
JMF 0:24d3eb812fd4 217 printf("TCP: rx <- %d\r\n", rd);
JMF 0:24d3eb812fd4 218 iomutex.unlock();
JMF 0:24d3eb812fd4 219 }
JMF 0:24d3eb812fd4 220 int diff = rx_seq.cmp(buffer, rd);
JMF 0:24d3eb812fd4 221 TEST_ASSERT_EQUAL(0, diff);
JMF 0:24d3eb812fd4 222 rx_seq.skip(rd);
JMF 0:24d3eb812fd4 223 rx_count += rd;
JMF 0:24d3eb812fd4 224 } else if (rd == NSAPI_ERROR_WOULD_BLOCK) {
JMF 0:24d3eb812fd4 225 break;
JMF 0:24d3eb812fd4 226 }
JMF 0:24d3eb812fd4 227 }
JMF 0:24d3eb812fd4 228 }
JMF 0:24d3eb812fd4 229
JMF 0:24d3eb812fd4 230 err = sock.close();
JMF 0:24d3eb812fd4 231 TEST_ASSERT_EQUAL(0, err);
JMF 0:24d3eb812fd4 232 }
JMF 0:24d3eb812fd4 233 }
JMF 0:24d3eb812fd4 234 };
JMF 0:24d3eb812fd4 235
JMF 0:24d3eb812fd4 236 PressureTest *pressure_tests[MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS];
JMF 0:24d3eb812fd4 237
JMF 0:24d3eb812fd4 238
JMF 0:24d3eb812fd4 239 void test_tcp_packet_pressure_parallel() {
JMF 0:24d3eb812fd4 240 uint8_t *buffer;
JMF 0:24d3eb812fd4 241 size_t buffer_size;
JMF 0:24d3eb812fd4 242 generate_buffer(&buffer, &buffer_size,
JMF 0:24d3eb812fd4 243 MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN,
JMF 0:24d3eb812fd4 244 MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MAX);
JMF 0:24d3eb812fd4 245
JMF 0:24d3eb812fd4 246 size_t buffer_subsize = buffer_size / MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS;
JMF 0:24d3eb812fd4 247 printf("MBED: Generated buffer %d\r\n", buffer_size);
JMF 0:24d3eb812fd4 248 printf("MBED: Split into %d buffers %d\r\n",
JMF 0:24d3eb812fd4 249 MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS,
JMF 0:24d3eb812fd4 250 buffer_subsize);
JMF 0:24d3eb812fd4 251
JMF 0:24d3eb812fd4 252 int err = net.connect(STRINGIZE(MBED_CFG_WIZFI310_SSID), STRINGIZE(MBED_CFG_WIZFI310_PASS));
JMF 0:24d3eb812fd4 253 TEST_ASSERT_EQUAL(0, err);
JMF 0:24d3eb812fd4 254
JMF 0:24d3eb812fd4 255 printf("MBED: TCPClient IP address is '%s'\n", net.get_ip_address());
JMF 0:24d3eb812fd4 256 printf("MBED: TCPClient waiting for server IP and port...\n");
JMF 0:24d3eb812fd4 257
JMF 0:24d3eb812fd4 258 greentea_send_kv("target_ip", net.get_ip_address());
JMF 0:24d3eb812fd4 259
JMF 0:24d3eb812fd4 260 char recv_key[] = "host_port";
JMF 0:24d3eb812fd4 261 char ipbuf[60] = {0};
JMF 0:24d3eb812fd4 262 char portbuf[16] = {0};
JMF 0:24d3eb812fd4 263 unsigned int port = 0;
JMF 0:24d3eb812fd4 264
JMF 0:24d3eb812fd4 265 greentea_send_kv("host_ip", " ");
JMF 0:24d3eb812fd4 266 greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
JMF 0:24d3eb812fd4 267
JMF 0:24d3eb812fd4 268 greentea_send_kv("host_port", " ");
JMF 0:24d3eb812fd4 269 greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
JMF 0:24d3eb812fd4 270 sscanf(portbuf, "%u", &port);
JMF 0:24d3eb812fd4 271
JMF 0:24d3eb812fd4 272 printf("MBED: Server IP address received: %s:%d \n", ipbuf, port);
JMF 0:24d3eb812fd4 273 tcp_addr.set_ip_address(ipbuf);
JMF 0:24d3eb812fd4 274 tcp_addr.set_port(port);
JMF 0:24d3eb812fd4 275
JMF 0:24d3eb812fd4 276 timer.start();
JMF 0:24d3eb812fd4 277
JMF 0:24d3eb812fd4 278 // Startup pressure tests in parallel
JMF 0:24d3eb812fd4 279 for (int i = 0; i < MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS; i++) {
JMF 0:24d3eb812fd4 280 pressure_tests[i] = new PressureTest(&buffer[i*buffer_subsize], buffer_subsize);
JMF 0:24d3eb812fd4 281 pressure_tests[i]->start();
JMF 0:24d3eb812fd4 282 }
JMF 0:24d3eb812fd4 283
JMF 0:24d3eb812fd4 284 for (int i = 0; i < MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS; i++) {
JMF 0:24d3eb812fd4 285 pressure_tests[i]->join();
JMF 0:24d3eb812fd4 286 delete pressure_tests[i];
JMF 0:24d3eb812fd4 287 }
JMF 0:24d3eb812fd4 288
JMF 0:24d3eb812fd4 289 timer.stop();
JMF 0:24d3eb812fd4 290 printf("MBED: Time taken: %fs\r\n", timer.read());
JMF 0:24d3eb812fd4 291 printf("MBED: Speed: %.3fkb/s\r\n",
JMF 0:24d3eb812fd4 292 MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_THREADS*
JMF 0:24d3eb812fd4 293 8*(2*MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MAX -
JMF 0:24d3eb812fd4 294 MBED_CFG_TCP_CLIENT_PACKET_PRESSURE_MIN) / (1000*timer.read()));
JMF 0:24d3eb812fd4 295
JMF 0:24d3eb812fd4 296 net.disconnect();
JMF 0:24d3eb812fd4 297 }
JMF 0:24d3eb812fd4 298
JMF 0:24d3eb812fd4 299
JMF 0:24d3eb812fd4 300 // Test setup
JMF 0:24d3eb812fd4 301 utest::v1::status_t test_setup(const size_t number_of_cases) {
JMF 0:24d3eb812fd4 302 GREENTEA_SETUP(120, "tcp_echo");
JMF 0:24d3eb812fd4 303 return verbose_test_setup_handler(number_of_cases);
JMF 0:24d3eb812fd4 304 }
JMF 0:24d3eb812fd4 305
JMF 0:24d3eb812fd4 306 Case cases[] = {
JMF 0:24d3eb812fd4 307 Case("TCP packet pressure parallel", test_tcp_packet_pressure_parallel),
JMF 0:24d3eb812fd4 308 };
JMF 0:24d3eb812fd4 309
JMF 0:24d3eb812fd4 310 Specification specification(test_setup, cases);
JMF 0:24d3eb812fd4 311
JMF 0:24d3eb812fd4 312 int main() {
JMF 0:24d3eb812fd4 313 return !Harness::run(specification);
JMF 0:24d3eb812fd4 314 }
JMF 0:24d3eb812fd4 315