Easily add all supported connectivity methods to your mbed OS project
Diff: esp8266-driver/TESTS/net/udp_echo/main.cpp
- Revision:
- 0:615f90842ce8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/esp8266-driver/TESTS/net/udp_echo/main.cpp Wed Jul 12 10:52:58 2017 +0000 @@ -0,0 +1,156 @@ +#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 + + +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(MBED_CFG_ESP8266_SSID, 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_UUID(120, "udp_echo", 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 echo", test_udp_echo), +}; + +Specification specification(test_setup, cases); + +int main() { + return !Harness::run(specification); +} +