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Merge branch 'bugfix/mdns_add_result_count_async' into 'master'

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mdns: Added results count to async API (GitHub PR)

Closes IDFGH-6340

See merge request espressif/esp-idf!16362
This commit is contained in:
David Čermák
2021-12-16 12:48:39 +00:00
parent c86183d54d c297301ecc
commit e8a4c4b440
3 changed files with 10 additions and 4 deletions
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3
components/mdns/include/mdns.h
View File

@@ -546,12 +546,13 @@ esp_err_t mdns_query_async_delete(mdns_search_once_t* search);
* @param search pointer to search object
* @param timeout time in milliseconds to wait for answers
* @param results pointer to the results of the query
* @param num_results pointer to the number of the actual result items (set to NULL to ignore this return value)
*
* @return
* True if search has finished before or at timeout
* False if search timeout is over
*/
bool mdns_query_async_get_results(mdns_search_once_t* search, uint32_t timeout, mdns_result_t ** results);
bool mdns_query_async_get_results(mdns_search_once_t* search, uint32_t timeout, mdns_result_t ** results, uint8_t * num_results);
/**
* @brief Query mDNS for host or service asynchronousely.

7
components/mdns/mdns.c
View File

@@ -5573,10 +5573,15 @@ esp_err_t mdns_query_async_delete(mdns_search_once_t* search)
return ESP_OK;
}
bool mdns_query_async_get_results(mdns_search_once_t* search, uint32_t timeout, mdns_result_t ** results)
bool mdns_query_async_get_results(mdns_search_once_t* search, uint32_t timeout, mdns_result_t ** results, uint8_t * num_results)
{
if (xSemaphoreTake(search->done_semaphore, pdMS_TO_TICKS(timeout)) == pdTRUE) {
if (results) {
*results = search->result;
}
if (num_results) {
*num_results = search->num_results;
}
return true;
}
return false;

2
examples/protocols/mdns/main/mdns_example_main.c
View File

@@ -146,7 +146,7 @@ static bool check_and_print_result(mdns_search_once_t *search)
{
// Check if any result is available
mdns_result_t * result = NULL;
if (!mdns_query_async_get_results(search, 0, &result)) {
if (!mdns_query_async_get_results(search, 0, &result, NULL)) {
return false;
}