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Merge branch 'bugfix/handler_unregister_itself' into 'master'

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esp_event: fix handler unregistering itself

See merge request espressif/esp-idf!6274
This commit is contained in:
Angus Gratton 2019-10-30 12:00:49 +08:00
commit fbbcade397
2 changed files with 76 additions and 10 deletions
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20
components/esp_event/esp_event.c
View File

@ -526,30 +526,30 @@ esp_err_t esp_event_loop_run(esp_event_loop_handle_t event_loop, TickType_t tick
bool exec = false;
esp_event_handler_instance_t *handler;
esp_event_loop_node_t *loop_node;
esp_event_base_node_t *base_node;
esp_event_id_node_t *id_node;
esp_event_handler_instance_t *handler, *temp_handler;
esp_event_loop_node_t *loop_node, *temp_node;
esp_event_base_node_t *base_node, *temp_base;
esp_event_id_node_t *id_node, *temp_id_node;
SLIST_FOREACH(loop_node, &(loop->loop_nodes), next) {
SLIST_FOREACH_SAFE(loop_node, &(loop->loop_nodes), next, temp_node) {
// Execute loop level handlers
SLIST_FOREACH(handler, &(loop_node->handlers), next) {
SLIST_FOREACH_SAFE(handler, &(loop_node->handlers), next, temp_handler) {
handler_execute(loop, handler, post);
exec |= true;
}
SLIST_FOREACH(base_node, &(loop_node->base_nodes), next) {
SLIST_FOREACH_SAFE(base_node, &(loop_node->base_nodes), next, temp_base) {
if (base_node->base == post.base) {
// Execute base level handlers
SLIST_FOREACH(handler, &(base_node->handlers), next) {
SLIST_FOREACH_SAFE(handler, &(base_node->handlers), next, temp_handler) {
handler_execute(loop, handler, post);
exec |= true;
}
SLIST_FOREACH(id_node, &(base_node->id_nodes), next) {
SLIST_FOREACH_SAFE(id_node, &(base_node->id_nodes), next, temp_id_node) {
if (id_node->id == post.id) {
// Execute id level handlers
SLIST_FOREACH(handler, &(id_node->handlers), next) {
SLIST_FOREACH_SAFE(handler, &(id_node->handlers), next, temp_handler) {
handler_execute(loop, handler, post);
exec |= true;
}

66
components/esp_event/test/esp32/test_event.c
View File

@ -254,6 +254,17 @@ static void test_handler_post_wo_task(void* event_handler_arg, esp_event_base_t
}
}
static void test_handler_unregister_itself(void* event_handler_arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
{
esp_event_loop_handle_t* loop = (esp_event_loop_handle_t*) event_data;
int* unregistered = (int*) event_handler_arg;
(*unregistered) += (event_base == s_test_base1 ? 0 : 10) + event_id + 1;
// Unregister this handler for this event
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_unregister_with(*loop, event_base, event_id, test_handler_unregister_itself));
}
static void test_post_from_handler_loop_task(void* args)
{
esp_event_loop_handle_t event_loop = (esp_event_loop_handle_t) args;
@ -434,6 +445,61 @@ TEST_CASE("can unregister handler", "[event]")
TEST_TEARDOWN();
}
TEST_CASE("handler can unregister itself", "[event]")
{
/* this test aims to verify that handlers can unregister themselves */
TEST_SETUP();
esp_event_loop_handle_t loop;
esp_event_loop_args_t loop_args = test_event_get_default_loop_args();
loop_args.task_name = NULL;
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_create(&loop_args, &loop));
int unregistered = 0;
/*
* s_test_base1, ev1 = 1
* s_test_base1, ev2 = 2
* s_test_base2, ev1 = 11
* s_test_base2, ev2 = 12
*/
int expected_unregistered = 0;
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_register_with(loop, s_test_base1, TEST_EVENT_BASE1_EV1, test_handler_unregister_itself, &unregistered));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_register_with(loop, s_test_base1, TEST_EVENT_BASE1_EV2, test_handler_unregister_itself, &unregistered));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_register_with(loop, s_test_base2, TEST_EVENT_BASE2_EV1, test_handler_unregister_itself, &unregistered));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_handler_register_with(loop, s_test_base2, TEST_EVENT_BASE2_EV2, test_handler_unregister_itself, &unregistered));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base1, TEST_EVENT_BASE1_EV2, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_run(loop, pdMS_TO_TICKS(10)));
expected_unregistered = 2; // base1, ev2
TEST_ASSERT_EQUAL(expected_unregistered, unregistered);
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base1, TEST_EVENT_BASE1_EV1, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base2, TEST_EVENT_BASE2_EV1, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_run(loop, pdMS_TO_TICKS(10)));
expected_unregistered += 1 + 11; // base1, ev1 + base2, ev1
TEST_ASSERT_EQUAL(expected_unregistered, unregistered);
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base2, TEST_EVENT_BASE2_EV2, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_run(loop, pdMS_TO_TICKS(10)));
expected_unregistered += 12; // base2, ev2
TEST_ASSERT_EQUAL(expected_unregistered, unregistered);
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base1, TEST_EVENT_BASE1_EV1, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base1, TEST_EVENT_BASE1_EV2, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base2, TEST_EVENT_BASE2_EV1, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_post_to(loop, s_test_base2, TEST_EVENT_BASE2_EV2, &loop, sizeof(loop), portMAX_DELAY));
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_run(loop, pdMS_TO_TICKS(10)));
TEST_ASSERT_EQUAL(expected_unregistered, unregistered); // all handlers unregistered
TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_delete(loop));
TEST_TEARDOWN();
}
TEST_CASE("can exit running loop at approximately the set amount of time", "[event]")
{
/* this test aims to verify that running loop does not block indefinitely in cases where