Easily add all supported connectivity methods to your mbed OS project
Diff: esp8266-driver/TESTS/net/udp_dtls_handshake/main.cpp
- Revision:
- 0:615f90842ce8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/esp8266-driver/TESTS/net/udp_dtls_handshake/main.cpp Wed Jul 12 10:52:58 2017 +0000 @@ -0,0 +1,165 @@ +#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_DTLS_HANDSHAKE_BUFFER_SIZE +#define MBED_CFG_UDP_DTLS_HANDSHAKE_BUFFER_SIZE 512 +#endif + +#ifndef MBED_CFG_UDP_DTLS_HANDSHAKE_RETRIES +#define MBED_CFG_UDP_DTLS_HANDSHAKE_RETRIES 16 +#endif + +#ifndef MBED_CFG_UDP_DTLS_HANDSHAKE_PATTERN +#define MBED_CFG_UDP_DTLS_HANDSHAKE_PATTERN 112, 384, 200, 219, 25 +#endif + +#ifndef MBED_CFG_UDP_DTLS_HANDSHAKE_TIMEOUT +#define MBED_CFG_UDP_DTLS_HANDSHAKE_TIMEOUT 1500 +#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 + +uint8_t buffer[MBED_CFG_UDP_DTLS_HANDSHAKE_BUFFER_SIZE] = {0}; +int udp_dtls_handshake_pattern[] = {MBED_CFG_UDP_DTLS_HANDSHAKE_PATTERN}; +const int udp_dtls_handshake_count = sizeof(udp_dtls_handshake_pattern) / sizeof(int); + +void test_udp_dtls_handshake() { + ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG); + int err = net.connect(MBED_CFG_ESP8266_SSID, MBED_CFG_ESP8266_PASS); + TEST_ASSERT_EQUAL(0, err); + + printf("MBED: UDPClient IP address is '%s'\n", net.get_ip_address()); + printf("MBED: UDPClient waiting for server IP and port...\n"); + + greentea_send_kv("target_ip", net.get_ip_address()); + + bool result = false; + + 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); + + // align each size to 4-bits + for (int i = 0; i < udp_dtls_handshake_count; i++) { + udp_dtls_handshake_pattern[i] = (~0xf & udp_dtls_handshake_pattern[i]) + 0x10; + } + + printf("MBED: DTLS pattern ["); + for (int i = 0; i < udp_dtls_handshake_count; i++) { + printf("%d", udp_dtls_handshake_pattern[i]); + if (i != udp_dtls_handshake_count-1) { + printf(", "); + } + } + printf("]\r\n"); + + UDPSocket sock; + SocketAddress udp_addr(ipbuf, port); + sock.set_timeout(MBED_CFG_UDP_DTLS_HANDSHAKE_TIMEOUT); + + for (int attempt = 0; attempt < MBED_CFG_UDP_DTLS_HANDSHAKE_RETRIES; attempt++) { + err = sock.open(&net); + TEST_ASSERT_EQUAL(0, err); + + for (int i = 0; i < udp_dtls_handshake_count; i++) { + buffer[i] = udp_dtls_handshake_pattern[i] >> 4; + } + + err = sock.sendto(udp_addr, buffer, udp_dtls_handshake_count); + printf("UDP: tx -> %d\r\n", err); + TEST_ASSERT_EQUAL(udp_dtls_handshake_count, err); + + int step = 0; + while (step < udp_dtls_handshake_count) { + err = sock.recvfrom(NULL, buffer, sizeof(buffer)); + printf("UDP: rx <- %d ", err); + + // check length + if (err != udp_dtls_handshake_pattern[step]) { + printf("x (expected %d)\r\n", udp_dtls_handshake_pattern[step]); + break; + } + + // check quick xor of packet + uint8_t check = 0; + for (int j = 0; j < udp_dtls_handshake_pattern[step]; j++) { + check ^= buffer[j]; + } + + if (check != 0) { + printf("x (checksum 0x%02x)\r\n", check); + break; + } + + // successfully got a packet + printf("\r\n"); + step += 1; + } + + err = sock.close(); + TEST_ASSERT_EQUAL(0, err); + + // got through all steps, test passed + if (step == udp_dtls_handshake_count) { + result = true; + break; + } + } + + net.disconnect(); + TEST_ASSERT_EQUAL(true, result); +} + + +// Test setup +utest::v1::status_t test_setup(const size_t number_of_cases) { + char uuid[48] = {0}; + GREENTEA_SETUP_UUID(120, "udp_shotgun", uuid, 48); + + // 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 DTLS handshake", test_udp_dtls_handshake), +}; + +Specification specification(test_setup, cases); + +int main() { + return !Harness::run(specification); +} +