main.cpp

00001 /*
00002  * Copyright (c) 2013-2017, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018  #ifndef MBED_CONF_APP_CONNECT_STATEMENT
00019      #error [NOT_SUPPORTED] No network configuration found for this target.
00020  #endif
00021 
00022 #include "mbed.h"
00023 #include MBED_CONF_APP_HEADER_FILE
00024 #include "TCPSocket.h"
00025 #include "greentea-client/test_env.h"
00026 #include "unity/unity.h"
00027 #include "utest.h"
00028 
00029 using namespace utest::v1;
00030 
00031 #ifndef MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE
00032 #define MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE 256
00033 #endif
00034 
00035 namespace {
00036     char tx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
00037     char rx_buffer[MBED_CFG_TCP_CLIENT_ECHO_BUFFER_SIZE] = {0};
00038     const char ASCII_MAX = '~' - ' ';
00039 }
00040 
00041 void prep_buffer(char *tx_buffer, size_t tx_size) {
00042     for (size_t i=0; i<tx_size; ++i) {
00043         tx_buffer[i] = (rand() % 10) + '0';
00044     }
00045 }
00046 
00047 void test_tcp_echo() {
00048 
00049     NetworkInterface* net = MBED_CONF_APP_OBJECT_CONSTRUCTION;
00050     int err =  MBED_CONF_APP_CONNECT_STATEMENT;
00051 
00052     if (err) {
00053         printf("MBED: failed to connect with an error of %d\r\n", err);
00054         TEST_ASSERT_EQUAL(0, err);
00055     }
00056 
00057     printf("MBED: TCPClient IP address is '%s'\n", net->get_ip_address());
00058 
00059     bool result = false;
00060 
00061     TCPSocket sock(net);
00062 
00063     SocketAddress tcp_addr(MBED_CONF_APP_ECHO_SERVER_ADDR, MBED_CONF_APP_ECHO_SERVER_PORT);
00064 
00065     if (sock.connect(tcp_addr) == 0) {
00066         printf("HTTP: Connected to %s:%d\r\n", MBED_CONF_APP_ECHO_SERVER_ADDR, MBED_CONF_APP_ECHO_SERVER_PORT);
00067         printf("tx_buffer buffer size: %u\r\n", sizeof(tx_buffer));
00068         printf("rx_buffer buffer size: %u\r\n", sizeof(rx_buffer));
00069 
00070         prep_buffer(tx_buffer, sizeof(tx_buffer));
00071         sock.recv(rx_buffer, sizeof(MBED_CONF_APP_TCP_ECHO_PREFIX));
00072         const int ret = sock.send(tx_buffer, sizeof(tx_buffer));
00073         if (ret >= 0) {
00074             printf("sent %d bytes - %.*s  \n", ret, ret, tx_buffer);
00075         } else {
00076             printf("Network error %d\n", ret);
00077         }
00078 
00079         int n = sock.recv(rx_buffer, sizeof(rx_buffer));
00080         if (n >= 0) {
00081             printf("recv %d bytes - %.*s  \n", n, n, rx_buffer);
00082         } else {
00083             printf("Network error %d\n", n);
00084         }
00085 
00086         result = !memcmp(tx_buffer, rx_buffer, sizeof(tx_buffer));
00087         TEST_ASSERT_EQUAL(ret, sizeof(rx_buffer));
00088         TEST_ASSERT_EQUAL(true, result);
00089     }
00090 
00091     sock.close();
00092     net->disconnect();
00093     TEST_ASSERT_EQUAL(true, result);
00094 }
00095 
00096 
00097 // Test setup
00098 utest::v1::status_t test_setup(const size_t number_of_cases) {
00099     char uuid[48] = {0};
00100     GREENTEA_SETUP(240, "tcp_echo");
00101 
00102     // create mac address based on uuid
00103     uint64_t mac = 0;
00104     for (int i = 0; i < sizeof(uuid); i++) {
00105         mac += uuid[i];
00106     }
00107     //mbed_set_mac_address((const char*)mac, /*coerce control bits*/ 1);
00108 
00109     return verbose_test_setup_handler(number_of_cases);
00110 }
00111 
00112 Case cases[] = {
00113     Case("TCP echo", test_tcp_echo),
00114 };
00115 
00116 Specification specification(test_setup, cases);
00117 
00118 int main() {
00119     return !Harness::run(specification);
00120 }