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mdns: add remove delegate host api

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* Original commit: espressif/esp-idf@2174693096
This commit is contained in:
Jiacheng Guo
2021-04-02 18:06:10 +08:00
committed by suren-gabrielyan-espressif
parent 1eb5df9780
commit c8821199a2
4 changed files with 85 additions and 0 deletions
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76
components/mdns/mdns.c
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@ -2472,6 +2472,48 @@ static bool _mdns_delegate_hostname_add(const char *hostname, const esp_ip_addr_
return true;
}
static bool _mdns_delegate_hostname_remove(const char *hostname)
{
mdns_srv_item_t *srv = _mdns_server->services;
mdns_srv_item_t *prev_srv = NULL;
while (srv) {
if (strcasecmp(srv->service->hostname, hostname) == 0) {
mdns_srv_item_t *to_free = srv;
_mdns_send_bye(&srv, 1, false);
_mdns_remove_scheduled_service_packets(srv->service);
if (prev_srv == NULL) {
_mdns_server->services = srv->next;
srv = srv->next;
} else {
prev_srv->next = srv->next;
}
_mdns_free_service(to_free->service);
free(to_free);
} else {
prev_srv = srv;
srv = srv->next;
}
}
mdns_host_item_t *host = _mdns_host_list;
mdns_host_item_t *prev_host = NULL;
while (host != NULL) {
if (strcasecmp(hostname, host->hostname) == 0) {
if (prev_host == NULL) {
_mdns_host_list = host->next;
} else {
prev_host->next = host->next;
}
free((char *)host->hostname);
free(host);
break;
} else {
prev_host = host;
host = host->next;
}
}
return true;
}
/**
* @brief Check if parsed name is discovery
*/
@ -4191,6 +4233,11 @@ static void _mdns_execute_action(mdns_action_t * action)
break;
case ACTION_DELEGATE_HOSTNAME_ADD:
_mdns_delegate_hostname_add(action->data.delegate_hostname.hostname, &action->data.delegate_hostname.address);
break;
case ACTION_DELEGATE_HOSTNAME_REMOVE:
_mdns_delegate_hostname_remove(action->data.delegate_hostname.hostname);
free((char *)action->data.delegate_hostname.hostname);
break;
default:
break;
}
@ -4636,6 +4683,35 @@ esp_err_t mdns_delegate_hostname_add(const char * hostname, const esp_ip_addr_t
return ERR_OK;
}
esp_err_t mdns_delegate_hostname_remove(const char * hostname)
{
if (!_mdns_server) {
return ESP_ERR_INVALID_ARG;
}
if (_str_null_or_empty(hostname) || strlen(hostname) > (MDNS_NAME_BUF_LEN - 1)) {
return ESP_ERR_INVALID_ARG;
}
char * new_hostname = strndup(hostname, MDNS_NAME_BUF_LEN - 1);
if (!new_hostname) {
return ESP_ERR_NO_MEM;
}
mdns_action_t * action = (mdns_action_t *)malloc(sizeof(mdns_action_t));
if (!action) {
HOOK_MALLOC_FAILED;
free(new_hostname);
return ESP_ERR_NO_MEM;
}
action->type = ACTION_DELEGATE_HOSTNAME_REMOVE;
action->data.delegate_hostname.hostname = new_hostname;
if (xQueueSend(_mdns_server->action_queue, &action, (portTickType)0) != pdPASS) {
free(new_hostname);
free(action);
return ESP_ERR_NO_MEM;
}
return ERR_OK;
}
bool mdns_hostname_exists(const char *hostname) {
return _hostname_is_ours(hostname);
}