614 lines
17 KiB
C
614 lines
17 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/fcntl.h>
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#include <sys/param.h>
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#include "unity.h"
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#include "freertos/FreeRTOS.h"
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#include "driver/uart.h"
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#include "esp_vfs.h"
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#include "esp_vfs_dev.h"
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#include "esp_vfs_fat.h"
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#include "lwip/sockets.h"
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#include "lwip/netdb.h"
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#include "test_utils.h"
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typedef struct {
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int fd;
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int delay_ms;
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xSemaphoreHandle sem;
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} test_task_param_t;
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typedef struct {
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fd_set *rdfds;
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fd_set *wrfds;
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fd_set *errfds;
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int maxfds;
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struct timeval *tv;
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int select_ret;
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xSemaphoreHandle sem;
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} test_select_task_param_t;
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static const char message[] = "Hello world!";
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static int open_dummy_socket(void)
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{
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const struct addrinfo hints = {
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.ai_family = AF_INET,
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.ai_socktype = SOCK_DGRAM,
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};
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struct addrinfo *res = NULL;
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const int err = getaddrinfo("localhost", "80", &hints, &res);
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TEST_ASSERT_EQUAL(0, err);
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TEST_ASSERT_NOT_NULL(res);
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const int dummy_socket_fd = socket(res->ai_family, res->ai_socktype, 0);
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TEST_ASSERT(dummy_socket_fd >= 0);
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return dummy_socket_fd;
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}
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static int socket_init(void)
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{
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const struct addrinfo hints = {
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.ai_family = AF_INET,
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.ai_socktype = SOCK_DGRAM,
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};
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struct addrinfo *res;
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int err;
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struct sockaddr_in saddr = { 0 };
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int socket_fd = -1;
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err = getaddrinfo("localhost", "80", &hints, &res);
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TEST_ASSERT_EQUAL(err, 0);
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TEST_ASSERT_NOT_NULL(res);
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socket_fd = socket(res->ai_family, res->ai_socktype, 0);
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TEST_ASSERT(socket_fd >= 0);
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saddr.sin_family = PF_INET;
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saddr.sin_port = htons(80);
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saddr.sin_addr.s_addr = htonl(INADDR_ANY);
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err = bind(socket_fd, (struct sockaddr *) &saddr, sizeof(struct sockaddr_in));
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TEST_ASSERT(err >= 0);
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err = connect(socket_fd, res->ai_addr, res->ai_addrlen);
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TEST_ASSERT_EQUAL_MESSAGE(err, 0, "Socket connection failed");
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freeaddrinfo(res);
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return socket_fd;
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}
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static void uart1_init(void)
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{
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uart_config_t uart_config = {
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.baud_rate = 115200,
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.data_bits = UART_DATA_8_BITS,
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.parity = UART_PARITY_DISABLE,
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.stop_bits = UART_STOP_BITS_1,
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.flow_ctrl = UART_HW_FLOWCTRL_DISABLE
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};
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uart_param_config(UART_NUM_1, &uart_config);
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uart_driver_install(UART_NUM_1, 256, 256, 0, NULL, 0);
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}
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static void send_task(void *param)
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{
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const test_task_param_t *test_task_param = param;
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vTaskDelay(test_task_param->delay_ms / portTICK_PERIOD_MS);
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write(test_task_param->fd, message, sizeof(message));
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if (test_task_param->sem) {
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xSemaphoreGive(test_task_param->sem);
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}
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vTaskDelete(NULL);
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}
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static inline void start_task(const test_task_param_t *test_task_param)
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{
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xTaskCreate(send_task, "send_task", 4*1024, (void *) test_task_param, 5, NULL);
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}
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static void init(int *uart_fd, int *socket_fd)
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{
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test_case_uses_tcpip();
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uart1_init();
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UART1.conf0.loopback = 1;
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*uart_fd = open("/dev/uart/1", O_RDWR);
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TEST_ASSERT_NOT_EQUAL_MESSAGE(*uart_fd, -1, "Cannot open UART");
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esp_vfs_dev_uart_use_driver(1);
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*socket_fd = socket_init();
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}
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static void deinit(int uart_fd, int socket_fd)
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{
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esp_vfs_dev_uart_use_nonblocking(1);
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close(uart_fd);
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UART1.conf0.loopback = 0;
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uart_driver_delete(UART_NUM_1);
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close(socket_fd);
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}
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TEST_CASE("UART can do select()", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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struct timeval tv = {
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.tv_sec = 0,
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.tv_usec = 100000,
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};
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char recv_message[sizeof(message)];
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init(&uart_fd, &socket_fd);
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(uart_fd, &rfds);
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//without socket in rfds it will not use the same signalization
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const test_task_param_t test_task_param = {
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.fd = uart_fd,
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.delay_ms = 50,
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.sem = xSemaphoreCreateBinary(),
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};
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TEST_ASSERT_NOT_NULL(test_task_param.sem);
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start_task(&test_task_param);
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int s = select(uart_fd + 1, &rfds, NULL, NULL, &tv);
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TEST_ASSERT_EQUAL(s, 1);
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TEST_ASSERT(FD_ISSET(uart_fd, &rfds));
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TEST_ASSERT_UNLESS(FD_ISSET(socket_fd, &rfds));
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int read_bytes = read(uart_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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FD_ZERO(&rfds);
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FD_SET(uart_fd, &rfds);
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FD_SET(socket_fd, &rfds);
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start_task(&test_task_param);
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s = select(MAX(uart_fd, socket_fd) + 1, &rfds, NULL, NULL, &tv);
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TEST_ASSERT_EQUAL(s, 1);
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TEST_ASSERT(FD_ISSET(uart_fd, &rfds));
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TEST_ASSERT_UNLESS(FD_ISSET(socket_fd, &rfds));
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read_bytes = read(uart_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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vSemaphoreDelete(test_task_param.sem);
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deinit(uart_fd, socket_fd);
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}
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TEST_CASE("UART can do poll()", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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char recv_message[sizeof(message)];
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init(&uart_fd, &socket_fd);
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struct pollfd poll_fds[] = {
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{
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.fd = uart_fd,
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.events = POLLIN,
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},
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{
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.fd = -1, // should be ignored according to the documentation of poll()
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},
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};
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const test_task_param_t test_task_param = {
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.fd = uart_fd,
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.delay_ms = 50,
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.sem = xSemaphoreCreateBinary(),
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};
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TEST_ASSERT_NOT_NULL(test_task_param.sem);
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start_task(&test_task_param);
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int s = poll(poll_fds, sizeof(poll_fds)/sizeof(poll_fds[0]), 100);
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TEST_ASSERT_EQUAL(s, 1);
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TEST_ASSERT_EQUAL(uart_fd, poll_fds[0].fd);
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TEST_ASSERT_EQUAL(POLLIN, poll_fds[0].revents);
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TEST_ASSERT_EQUAL(-1, poll_fds[1].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[1].revents);
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int read_bytes = read(uart_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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poll_fds[1].fd = socket_fd;
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poll_fds[1].events = POLLIN;
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start_task(&test_task_param);
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s = poll(poll_fds, sizeof(poll_fds)/sizeof(poll_fds[0]), 100);
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TEST_ASSERT_EQUAL(s, 1);
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TEST_ASSERT_EQUAL(uart_fd, poll_fds[0].fd);
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TEST_ASSERT_EQUAL(POLLIN, poll_fds[0].revents);
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TEST_ASSERT_EQUAL(socket_fd, poll_fds[1].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[1].revents);
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read_bytes = read(uart_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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vSemaphoreDelete(test_task_param.sem);
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deinit(uart_fd, socket_fd);
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}
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TEST_CASE("socket can do select()", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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struct timeval tv = {
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.tv_sec = 0,
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.tv_usec = 100000,
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};
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char recv_message[sizeof(message)];
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init(&uart_fd, &socket_fd);
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const int dummy_socket_fd = open_dummy_socket();
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(uart_fd, &rfds);
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FD_SET(socket_fd, &rfds);
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FD_SET(dummy_socket_fd, &rfds);
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const test_task_param_t test_task_param = {
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.fd = socket_fd,
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.delay_ms = 50,
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.sem = xSemaphoreCreateBinary(),
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};
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TEST_ASSERT_NOT_NULL(test_task_param.sem);
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start_task(&test_task_param);
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const int s = select(MAX(MAX(uart_fd, socket_fd), dummy_socket_fd) + 1, &rfds, NULL, NULL, &tv);
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TEST_ASSERT_EQUAL(1, s);
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TEST_ASSERT_UNLESS(FD_ISSET(uart_fd, &rfds));
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TEST_ASSERT_UNLESS(FD_ISSET(dummy_socket_fd, &rfds));
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TEST_ASSERT(FD_ISSET(socket_fd, &rfds));
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int read_bytes = read(socket_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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vSemaphoreDelete(test_task_param.sem);
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deinit(uart_fd, socket_fd);
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close(dummy_socket_fd);
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}
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TEST_CASE("socket can do poll()", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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char recv_message[sizeof(message)];
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init(&uart_fd, &socket_fd);
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const int dummy_socket_fd = open_dummy_socket();
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struct pollfd poll_fds[] = {
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{
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.fd = uart_fd,
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.events = POLLIN,
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},
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{
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.fd = socket_fd,
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.events = POLLIN,
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},
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{
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.fd = dummy_socket_fd,
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.events = POLLIN,
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},
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};
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const test_task_param_t test_task_param = {
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.fd = socket_fd,
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.delay_ms = 50,
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.sem = xSemaphoreCreateBinary(),
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};
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TEST_ASSERT_NOT_NULL(test_task_param.sem);
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start_task(&test_task_param);
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int s = poll(poll_fds, sizeof(poll_fds)/sizeof(poll_fds[0]), 100);
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TEST_ASSERT_EQUAL(s, 1);
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TEST_ASSERT_EQUAL(uart_fd, poll_fds[0].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[0].revents);
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TEST_ASSERT_EQUAL(socket_fd, poll_fds[1].fd);
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TEST_ASSERT_EQUAL(POLLIN, poll_fds[1].revents);
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TEST_ASSERT_EQUAL(dummy_socket_fd, poll_fds[2].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[2].revents);
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int read_bytes = read(socket_fd, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(read_bytes, sizeof(message));
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TEST_ASSERT_EQUAL_MEMORY(message, recv_message, sizeof(message));
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TEST_ASSERT_EQUAL(xSemaphoreTake(test_task_param.sem, 1000 / portTICK_PERIOD_MS), pdTRUE);
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vSemaphoreDelete(test_task_param.sem);
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deinit(uart_fd, socket_fd);
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close(dummy_socket_fd);
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}
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TEST_CASE("select() timeout", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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struct timeval tv = {
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.tv_sec = 0,
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.tv_usec = 100000,
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};
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init(&uart_fd, &socket_fd);
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(uart_fd, &rfds);
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FD_SET(socket_fd, &rfds);
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int s = select(MAX(uart_fd, socket_fd) + 1, &rfds, NULL, NULL, &tv);
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TEST_ASSERT_EQUAL(s, 0);
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TEST_ASSERT_UNLESS(FD_ISSET(uart_fd, &rfds));
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TEST_ASSERT_UNLESS(FD_ISSET(socket_fd, &rfds));
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FD_ZERO(&rfds);
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s = select(MAX(uart_fd, socket_fd) + 1, &rfds, NULL, NULL, &tv);
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TEST_ASSERT_EQUAL(s, 0);
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TEST_ASSERT_UNLESS(FD_ISSET(uart_fd, &rfds));
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TEST_ASSERT_UNLESS(FD_ISSET(socket_fd, &rfds));
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deinit(uart_fd, socket_fd);
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}
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TEST_CASE("poll() timeout", "[vfs]")
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{
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int uart_fd;
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int socket_fd;
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init(&uart_fd, &socket_fd);
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struct pollfd poll_fds[] = {
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{
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.fd = uart_fd,
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.events = POLLIN,
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},
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{
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.fd = socket_fd,
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.events = POLLIN,
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},
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};
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int s = poll(poll_fds, sizeof(poll_fds)/sizeof(poll_fds[0]), 100);
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TEST_ASSERT_EQUAL(s, 0);
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TEST_ASSERT_EQUAL(uart_fd, poll_fds[0].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[0].revents);
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TEST_ASSERT_EQUAL(socket_fd, poll_fds[1].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[1].revents);
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poll_fds[0].fd = -1;
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poll_fds[1].fd = -1;
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s = poll(poll_fds, sizeof(poll_fds)/sizeof(poll_fds[0]), 100);
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TEST_ASSERT_EQUAL(s, 0);
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TEST_ASSERT_EQUAL(-1, poll_fds[0].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[0].revents);
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TEST_ASSERT_EQUAL(-1, poll_fds[1].fd);
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TEST_ASSERT_EQUAL(0, poll_fds[1].revents);
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deinit(uart_fd, socket_fd);
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}
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static void select_task(void *task_param)
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{
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const test_select_task_param_t *param = task_param;
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int s = select(param->maxfds, param->rdfds, param->wrfds, param->errfds, param->tv);
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TEST_ASSERT_EQUAL(param->select_ret, s);
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if (param->sem) {
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xSemaphoreGive(param->sem);
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}
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vTaskDelete(NULL);
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}
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static void inline start_select_task(test_select_task_param_t *param)
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{
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xTaskCreate(select_task, "select_task", 4*1024, (void *) param, 5, NULL);
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}
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TEST_CASE("concurrent selects work", "[vfs]")
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{
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int uart_fd, socket_fd;
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init(&uart_fd, &socket_fd);
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const int dummy_socket_fd = open_dummy_socket();
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{
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// Two tasks will wait for the same UART FD for reading and they will time-out
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struct timeval tv = {
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.tv_sec = 0,
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.tv_usec = 100000,
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};
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fd_set rdfds1;
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FD_ZERO(&rdfds1);
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FD_SET(uart_fd, &rdfds1);
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test_select_task_param_t param = {
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.rdfds = &rdfds1,
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.wrfds = NULL,
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.errfds = NULL,
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.maxfds = uart_fd + 1,
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.tv = &tv,
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.select_ret = 0, // expected timeout
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.sem = xSemaphoreCreateBinary(),
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};
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TEST_ASSERT_NOT_NULL(param.sem);
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fd_set rdfds2;
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FD_ZERO(&rdfds2);
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FD_SET(uart_fd, &rdfds2);
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FD_SET(socket_fd, &rdfds2);
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FD_SET(dummy_socket_fd, &rdfds2);
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start_select_task(¶m);
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vTaskDelay(10 / portTICK_PERIOD_MS); //make sure the task has started and waits in select()
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int s = select(MAX(MAX(uart_fd, dummy_socket_fd), socket_fd) + 1, &rdfds2, NULL, NULL, &tv);
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|
TEST_ASSERT_EQUAL(0, s); // timeout here as well
|
|
|
|
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(param.sem, 1000 / portTICK_PERIOD_MS));
|
|
vSemaphoreDelete(param.sem);
|
|
}
|
|
|
|
{
|
|
// One tasks waits for UART reading and one for writing. The former will be successful and latter will
|
|
// time-out.
|
|
|
|
struct timeval tv = {
|
|
.tv_sec = 0,
|
|
.tv_usec = 100000,
|
|
};
|
|
|
|
fd_set wrfds1;
|
|
FD_ZERO(&wrfds1);
|
|
FD_SET(uart_fd, &wrfds1);
|
|
|
|
test_select_task_param_t param = {
|
|
.rdfds = NULL,
|
|
.wrfds = &wrfds1,
|
|
.errfds = NULL,
|
|
.maxfds = uart_fd + 1,
|
|
.tv = &tv,
|
|
.select_ret = 0, // expected timeout
|
|
.sem = xSemaphoreCreateBinary(),
|
|
};
|
|
TEST_ASSERT_NOT_NULL(param.sem);
|
|
|
|
start_select_task(¶m);
|
|
|
|
fd_set rdfds2;
|
|
FD_ZERO(&rdfds2);
|
|
FD_SET(uart_fd, &rdfds2);
|
|
FD_SET(socket_fd, &rdfds2);
|
|
FD_SET(dummy_socket_fd, &rdfds2);
|
|
|
|
const test_task_param_t send_param = {
|
|
.fd = uart_fd,
|
|
.delay_ms = 50,
|
|
.sem = xSemaphoreCreateBinary(),
|
|
};
|
|
TEST_ASSERT_NOT_NULL(send_param.sem);
|
|
start_task(&send_param); // This task will write to UART which will be detected by select()
|
|
|
|
int s = select(MAX(MAX(uart_fd, dummy_socket_fd), socket_fd) + 1, &rdfds2, NULL, NULL, &tv);
|
|
TEST_ASSERT_EQUAL(1, s);
|
|
TEST_ASSERT(FD_ISSET(uart_fd, &rdfds2));
|
|
TEST_ASSERT_UNLESS(FD_ISSET(socket_fd, &rdfds2));
|
|
TEST_ASSERT_UNLESS(FD_ISSET(dummy_socket_fd, &rdfds2));
|
|
|
|
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(param.sem, 1000 / portTICK_PERIOD_MS));
|
|
vSemaphoreDelete(param.sem);
|
|
|
|
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(send_param.sem, 1000 / portTICK_PERIOD_MS));
|
|
vSemaphoreDelete(send_param.sem);
|
|
}
|
|
|
|
deinit(uart_fd, socket_fd);
|
|
close(dummy_socket_fd);
|
|
}
|
|
|
|
TEST_CASE("select() works with concurrent mount", "[vfs][fatfs]")
|
|
{
|
|
wl_handle_t test_wl_handle;
|
|
int uart_fd, socket_fd;
|
|
|
|
init(&uart_fd, &socket_fd);
|
|
const int dummy_socket_fd = open_dummy_socket();
|
|
|
|
esp_vfs_fat_sdmmc_mount_config_t mount_config = {
|
|
.format_if_mount_failed = true,
|
|
.max_files = 2
|
|
};
|
|
|
|
// select() will be waiting for a socket & UART and FATFS mount will occur in parallel
|
|
|
|
struct timeval tv = {
|
|
.tv_sec = 1,
|
|
.tv_usec = 0,
|
|
};
|
|
|
|
fd_set rdfds;
|
|
FD_ZERO(&rdfds);
|
|
FD_SET(uart_fd, &rdfds);
|
|
FD_SET(dummy_socket_fd, &rdfds);
|
|
|
|
test_select_task_param_t param = {
|
|
.rdfds = &rdfds,
|
|
.wrfds = NULL,
|
|
.errfds = NULL,
|
|
.maxfds = MAX(uart_fd, dummy_socket_fd) + 1,
|
|
.tv = &tv,
|
|
.select_ret = 0, // expected timeout
|
|
.sem = xSemaphoreCreateBinary(),
|
|
};
|
|
TEST_ASSERT_NOT_NULL(param.sem);
|
|
|
|
start_select_task(¶m);
|
|
vTaskDelay(10 / portTICK_PERIOD_MS); //make sure the task has started and waits in select()
|
|
|
|
TEST_ESP_OK(esp_vfs_fat_spiflash_mount("/spiflash", NULL, &mount_config, &test_wl_handle));
|
|
|
|
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(param.sem, 1500 / portTICK_PERIOD_MS));
|
|
|
|
// select() will be waiting for a socket & UART and FATFS unmount will occur in parallel
|
|
|
|
FD_ZERO(&rdfds);
|
|
FD_SET(uart_fd, &rdfds);
|
|
FD_SET(dummy_socket_fd, &rdfds);
|
|
|
|
start_select_task(¶m);
|
|
vTaskDelay(10 / portTICK_PERIOD_MS); //make sure the task has started and waits in select()
|
|
|
|
TEST_ESP_OK(esp_vfs_fat_spiflash_unmount("/spiflash", test_wl_handle));
|
|
|
|
TEST_ASSERT_EQUAL(pdTRUE, xSemaphoreTake(param.sem, 1500 / portTICK_PERIOD_MS));
|
|
|
|
vSemaphoreDelete(param.sem);
|
|
|
|
deinit(uart_fd, socket_fd);
|
|
close(dummy_socket_fd);
|
|
}
|