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mdns: Add APIs to look up delegated services

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This commit is contained in:
WanqQixiang
2023-04-10 13:16:29 +08:00
parent db0e20f446
commit 87dcd7dc7d
3 changed files with 186 additions and 4 deletions
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20
components/mdns/include/mdns.h
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@ -26,7 +26,6 @@ extern "C" {
*/
typedef struct mdns_search_once_s mdns_search_once_t;
typedef enum {
MDNS_EVENT_ENABLE_IP4 = 1 << 1,
MDNS_EVENT_ENABLE_IP6 = 1 << 2,
@ -248,7 +247,6 @@ esp_err_t mdns_service_add_for_host(const char *instance_name, const char *servi
*/
bool mdns_service_exists(const char *service_type, const char *proto, const char *hostname);
/**
* @brief Check whether a service has been added.
*
@ -687,6 +685,24 @@ esp_err_t mdns_query_srv(const char *instance_name, const char *service_type, co
*/
esp_err_t mdns_query_txt(const char *instance_name, const char *service_type, const char *proto, uint32_t timeout, mdns_result_t **result);
/**
* @brief Look up delegated services.
*
* @param instance instance name (NULL for uncertain instance)
* @param service_type service type (_http, _ftp, etc)
* @param proto service protocol (_tcp, _udp)
* @param max_results maximum results to be collected
* @param result pointer to the result of the search
*
* @return
* - ESP_OK success
* - ESP_ERR_INVALID_STATE mDNS is not running
* - ESP_ERR_NO_MEM memory error
* - ESP_ERR_INVALID_ARG parameter error
*/
esp_err_t mdns_lookup_delegated_service(const char *instance, const char *service_type, const char *proto, size_t max_results,
mdns_result_t **result);
/**
* @brief Query mDNS for A record
*