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

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esp8266-driver/TESTS/net/tcp_echo/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 #include "mbed.h"
mayur098 0:8f8e8f3cbd1c 2 #include "ESP8266Interface.h"
mayur098 0:8f8e8f3cbd1c 3 #include "TCPSocket.h"
mayur098 0:8f8e8f3cbd1c 4 #include "greentea-client/test_env.h"
mayur098 0:8f8e8f3cbd1c 5 #include "unity/unity.h"
mayur098 0:8f8e8f3cbd1c 6 #include "utest.h"
mayur098 0:8f8e8f3cbd1c 7
mayur098 0:8f8e8f3cbd1c 8 using namespace utest::v1;
mayur098 0:8f8e8f3cbd1c 9
mayur098 0:8f8e8f3cbd1c 10
mayur098 0:8f8e8f3cbd1c 11 #ifndef MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE
mayur098 0:8f8e8f3cbd1c 12 #define MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE 256
mayur098 0:8f8e8f3cbd1c 13 #endif
mayur098 0:8f8e8f3cbd1c 14
mayur098 0:8f8e8f3cbd1c 15 #ifndef MBED_CFG_ESP8266_TX
mayur098 0:8f8e8f3cbd1c 16 #define MBED_CFG_ESP8266_TX D1
mayur098 0:8f8e8f3cbd1c 17 #endif
mayur098 0:8f8e8f3cbd1c 18
mayur098 0:8f8e8f3cbd1c 19 #ifndef MBED_CFG_ESP8266_RX
mayur098 0:8f8e8f3cbd1c 20 #define MBED_CFG_ESP8266_RX D0
mayur098 0:8f8e8f3cbd1c 21 #endif
mayur098 0:8f8e8f3cbd1c 22
mayur098 0:8f8e8f3cbd1c 23 #ifndef MBED_CFG_ESP8266_DEBUG
mayur098 0:8f8e8f3cbd1c 24 #define MBED_CFG_ESP8266_DEBUG false
mayur098 0:8f8e8f3cbd1c 25 #endif
mayur098 0:8f8e8f3cbd1c 26
mayur098 0:8f8e8f3cbd1c 27 #define STRINGIZE(x) STRINGIZE2(x)
mayur098 0:8f8e8f3cbd1c 28 #define STRINGIZE2(x) #x
mayur098 0:8f8e8f3cbd1c 29
mayur098 0:8f8e8f3cbd1c 30 namespace {
mayur098 0:8f8e8f3cbd1c 31 char tx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
mayur098 0:8f8e8f3cbd1c 32 char rx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
mayur098 0:8f8e8f3cbd1c 33 const char ASCII_MAX = '~' - ' ';
mayur098 0:8f8e8f3cbd1c 34 }
mayur098 0:8f8e8f3cbd1c 35
mayur098 0:8f8e8f3cbd1c 36 void prep_buffer(char *tx_buffer, size_t tx_size) {
mayur098 0:8f8e8f3cbd1c 37 for (size_t i=0; i<tx_size; ++i) {
mayur098 0:8f8e8f3cbd1c 38 tx_buffer[i] = (rand() % 10) + '0';
mayur098 0:8f8e8f3cbd1c 39 }
mayur098 0:8f8e8f3cbd1c 40 }
mayur098 0:8f8e8f3cbd1c 41
mayur098 0:8f8e8f3cbd1c 42 void test_tcp_echo() {
mayur098 0:8f8e8f3cbd1c 43 ESP8266Interface net(MBED_CFG_ESP8266_TX, MBED_CFG_ESP8266_RX, MBED_CFG_ESP8266_DEBUG);
mayur098 0:8f8e8f3cbd1c 44 int err = net.connect(STRINGIZE(MBED_CFG_ESP8266_SSID), STRINGIZE(MBED_CFG_ESP8266_PASS));
mayur098 0:8f8e8f3cbd1c 45
mayur098 0:8f8e8f3cbd1c 46 if (err) {
mayur098 0:8f8e8f3cbd1c 47 printf("MBED: failed to connect with an error of %d\r\n", err);
mayur098 0:8f8e8f3cbd1c 48 TEST_ASSERT_EQUAL(0, err);
mayur098 0:8f8e8f3cbd1c 49 }
mayur098 0:8f8e8f3cbd1c 50
mayur098 0:8f8e8f3cbd1c 51 printf("MBED: TCPClient IP address is '%s'\n", net.get_ip_address());
mayur098 0:8f8e8f3cbd1c 52 printf("MBED: TCPClient waiting for server IP and port...\n");
mayur098 0:8f8e8f3cbd1c 53
mayur098 0:8f8e8f3cbd1c 54 greentea_send_kv("target_ip", net.get_ip_address());
mayur098 0:8f8e8f3cbd1c 55
mayur098 0:8f8e8f3cbd1c 56 bool result = false;
mayur098 0:8f8e8f3cbd1c 57
mayur098 0:8f8e8f3cbd1c 58 char recv_key[] = "host_port";
mayur098 0:8f8e8f3cbd1c 59 char ipbuf[60] = {0};
mayur098 0:8f8e8f3cbd1c 60 char portbuf[16] = {0};
mayur098 0:8f8e8f3cbd1c 61 unsigned int port = 0;
mayur098 0:8f8e8f3cbd1c 62
mayur098 0:8f8e8f3cbd1c 63 greentea_send_kv("host_ip", " ");
mayur098 0:8f8e8f3cbd1c 64 greentea_parse_kv(recv_key, ipbuf, sizeof(recv_key), sizeof(ipbuf));
mayur098 0:8f8e8f3cbd1c 65
mayur098 0:8f8e8f3cbd1c 66 greentea_send_kv("host_port", " ");
mayur098 0:8f8e8f3cbd1c 67 greentea_parse_kv(recv_key, portbuf, sizeof(recv_key), sizeof(ipbuf));
mayur098 0:8f8e8f3cbd1c 68 sscanf(portbuf, "%u", &port);
mayur098 0:8f8e8f3cbd1c 69
mayur098 0:8f8e8f3cbd1c 70 printf("MBED: Server IP address received: %s:%d \n", ipbuf, port);
mayur098 0:8f8e8f3cbd1c 71
mayur098 0:8f8e8f3cbd1c 72 TCPSocket sock(&net);
mayur098 0:8f8e8f3cbd1c 73 SocketAddress tcp_addr(ipbuf, port);
mayur098 0:8f8e8f3cbd1c 74 if (sock.connect(tcp_addr) == 0) {
mayur098 0:8f8e8f3cbd1c 75 printf("HTTP: Connected to %s:%d\r\n", ipbuf, port);
mayur098 0:8f8e8f3cbd1c 76 printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 77 printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
mayur098 0:8f8e8f3cbd1c 78
mayur098 0:8f8e8f3cbd1c 79 prep_buffer(tx_buffer, sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 80 sock.send(tx_buffer, sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 81 printf("MBED: Finished sending\r\n");
mayur098 0:8f8e8f3cbd1c 82 // Server will respond with HTTP GET's success code
mayur098 0:8f8e8f3cbd1c 83 const int ret = sock.recv(rx_buffer, sizeof(rx_buffer));
mayur098 0:8f8e8f3cbd1c 84 printf("MBED: Finished receiving\r\n");
mayur098 0:8f8e8f3cbd1c 85
mayur098 0:8f8e8f3cbd1c 86 result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
mayur098 0:8f8e8f3cbd1c 87 TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
mayur098 0:8f8e8f3cbd1c 88 TEST_ASSERT_EQUAL(true, result);
mayur098 0:8f8e8f3cbd1c 89 }
mayur098 0:8f8e8f3cbd1c 90
mayur098 0:8f8e8f3cbd1c 91 sock.close();
mayur098 0:8f8e8f3cbd1c 92 net.disconnect();
mayur098 0:8f8e8f3cbd1c 93 TEST_ASSERT_EQUAL(true, result);
mayur098 0:8f8e8f3cbd1c 94 }
mayur098 0:8f8e8f3cbd1c 95
mayur098 0:8f8e8f3cbd1c 96
mayur098 0:8f8e8f3cbd1c 97 // Test setup
mayur098 0:8f8e8f3cbd1c 98 utest::v1::status_t test_setup(const size_t number_of_cases) {
mayur098 0:8f8e8f3cbd1c 99 GREENTEA_SETUP(120, "tcp_echo");
mayur098 0:8f8e8f3cbd1c 100 return verbose_test_setup_handler(number_of_cases);
mayur098 0:8f8e8f3cbd1c 101 }
mayur098 0:8f8e8f3cbd1c 102
mayur098 0:8f8e8f3cbd1c 103 Case cases[] = {
mayur098 0:8f8e8f3cbd1c 104 Case("TCP echo", test_tcp_echo),
mayur098 0:8f8e8f3cbd1c 105 };
mayur098 0:8f8e8f3cbd1c 106
mayur098 0:8f8e8f3cbd1c 107 Specification specification(test_setup, cases);
mayur098 0:8f8e8f3cbd1c 108
mayur098 0:8f8e8f3cbd1c 109 int main() {
mayur098 0:8f8e8f3cbd1c 110 return !Harness::run(specification);
mayur098 0:8f8e8f3cbd1c 111 }
mayur098 0:8f8e8f3cbd1c 112