PX4-Autopilot/src/systemcmds/tests/test_dataman.c

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/**
 * @file test_dataman.c
 * Tests for the data manager.
 */

#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/posix.h>

#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

#include <drivers/drv_board_led.h>
#include <drivers/drv_hrt.h>
#include <semaphore.h>

#include "tests_main.h"

#include "dataman/dataman.h"

static px4_sem_t *sems;
static bool *task_returned_error;
int test_dataman(int argc, char *argv[]);

#define NUM_MISSIONS_TEST 50

#define DM_MAX_DATA_SIZE sizeof(struct mission_s)

static int
task_main(int argc, char *argv[])
{
	char buffer[DM_MAX_DATA_SIZE];

	PX4_INFO("Starting dataman test task %s", argv[2]);
	/* try to read an invalid item */
	int my_id = atoi(argv[2]);

	/* try to read an invalid item */
	if (dm_read(DM_KEY_NUM_KEYS, 0, buffer, sizeof(buffer)) >= 0) {
		PX4_ERR("%d read an invalid item failed", my_id);
		goto fail;
	}

	/* try to read an invalid index */
	if (dm_read(DM_KEY_SAFE_POINTS, DM_KEY_SAFE_POINTS_MAX, buffer, sizeof(buffer)) >= 0) {
		PX4_ERR("%d read an invalid index failed", my_id);
		goto fail;
	}

	srand(hrt_absolute_time() ^ my_id);
	unsigned hit = 0;
	unsigned miss = 0;
	hrt_abstime wstart = hrt_absolute_time();

	for (unsigned i = 0; i < NUM_MISSIONS_TEST; i++) {
		memset(buffer, my_id, sizeof(buffer));
		buffer[1] = i;
		unsigned hash = i ^ my_id;
		unsigned len = (hash % (DM_MAX_DATA_SIZE / 2)) + 2;

		int ret = dm_write(DM_KEY_WAYPOINTS_OFFBOARD_1, hash, buffer, len);
		//PX4_INFO("ret: %d", ret);

		if (ret != len) {
			PX4_WARN("task %d: write failed ret=%d, index: %d, length: %d", my_id, ret, hash, len);
			goto fail;
		}

		if (i % (NUM_MISSIONS_TEST / 10) == 0) {
			PX4_INFO("task %d: %.0f%%", my_id, (double)i * 100.0f / NUM_MISSIONS_TEST);
		}

		px4_usleep(rand() & ((64 * 1024) - 1));
	}

	hrt_abstime rstart = hrt_absolute_time();
	hrt_abstime wend = rstart;

	for (unsigned i = 0; i < NUM_MISSIONS_TEST; i++) {
		unsigned hash = i ^ my_id;
		ssize_t len2 = dm_read(DM_KEY_WAYPOINTS_OFFBOARD_1, hash, buffer, sizeof(buffer));
		ssize_t len = (hash % (DM_MAX_DATA_SIZE / 2)) + 2;

		if (len2 != len) {
			PX4_WARN("task %d: read failed length test, index %d, ret=%zd, len=%zd", my_id, hash, len2, len);
			goto fail;
		}

		if (buffer[0] == my_id) {
			hit++;

			if (len2 != len) {
				PX4_WARN("task %d: read failed length test, index %d, wanted %zd, got %zd", my_id, hash, len, len2);
				goto fail;
			}

			if (buffer[1] != i) {
				PX4_WARN("task %d: data verification failed, index %d, wanted %d, got %d", my_id, hash, my_id, buffer[1]);
				goto fail;
			}

		} else {
			miss++;
		}
	}

	hrt_abstime rend = hrt_absolute_time();
	PX4_INFO("task %d pass, hit %d, miss %d, io time read %" PRIu64 "ms. write %" PRIu64 "ms.",
		 my_id, hit, miss, (rend - rstart) / NUM_MISSIONS_TEST / 1000, (wend - wstart) / NUM_MISSIONS_TEST / 1000);
	px4_sem_post(sems + my_id);
	return 0;

fail:
	PX4_ERR("test_dataman FAILED: task %d, buffer %02x %02x %02x %02x %02x %02x",
		my_id, buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5]);
	px4_sem_post(sems + my_id);
	task_returned_error[my_id] = true;
	return -1;
}

int test_dataman(int argc, char *argv[])
{
	int i = 0;
	unsigned num_tasks = 4;
	char buffer[DM_MAX_DATA_SIZE];

	if (argc > 1) {
		num_tasks = atoi(argv[1]);
	}

	sems = (px4_sem_t *)malloc(num_tasks * sizeof(px4_sem_t));
	task_returned_error = (bool *)calloc(num_tasks, sizeof(bool));
	PX4_INFO("Running %d tasks", num_tasks);

	for (i = 0; i < num_tasks; i++) {
		int task;

		char a[16];
		snprintf(a, 16, "%d", i);

		char *av[] = {"tests_dataman", a, NULL};

		px4_sem_init(sems + i, 1, 0);
		/* sems use case is a signal */
		px4_sem_setprotocol(sems + i, SEM_PRIO_NONE);

		/* start the task */
		if ((task = px4_task_spawn_cmd("dataman", SCHED_DEFAULT, SCHED_PRIORITY_DEFAULT, 2048, task_main, av)) <= 0) {
			PX4_ERR("task start failed");
		}
	}

	for (i = 0; i < num_tasks; i++) {
		px4_sem_wait(sems + i);
		px4_sem_destroy(sems + i);
	}

	free(sems);

	bool got_error = false;

	for (i = 0; i < num_tasks; i++) {
		if (task_returned_error[i]) {
			got_error = true;
			break;
		}
	}

	free(task_returned_error);

	if (got_error) {
		return -1;
	}

	for (i = 0; i < NUM_MISSIONS_TEST; i++) {
		if (dm_read(DM_KEY_WAYPOINTS_OFFBOARD_1, i, buffer, sizeof(buffer)) != 0) {
			break;
		}
	}

	return 0;
}