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mdns: fix mdns probe/reply behavior

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* send correct hostnames when probing.
* add test for mdns host delegation.


* Original commit: espressif/esp-idf@d2a5d25984
This commit is contained in:
Jiacheng Guo
2021-04-15 20:03:53 +08:00
committed by suren-gabrielyan-espressif
parent 4049b3b5ed
commit 418fb60dd9
5 changed files with 80 additions and 47 deletions
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21
examples/protocols/mdns/main/mdns_example_main.c
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@ -34,6 +34,9 @@ static void query_mdns_host_with_getaddrinfo(char * host);
static void initialise_mdns(void)
{
char *hostname = generate_hostname();
char delegated_hostname[64];
snprintf(delegated_hostname, sizeof(delegated_hostname), "%s-delegated", hostname);
//initialize mDNS
ESP_ERROR_CHECK( mdns_init() );
//set mDNS hostname (required if you want to advertise services)
@ -51,19 +54,23 @@ static void initialise_mdns(void)
//initialize service
ESP_ERROR_CHECK( mdns_service_add("ESP32-WebServer", "_http", "_tcp", 80, serviceTxtData, 3) );
#if CONFIG_MDNS_PUBLISH_DELEGATE_HOST
mdns_ip_addr_t addr4, addr6;
ip4_addr_t ip4_addr;
ip6_addr_t ip6_addr;
ip4addr_aton("10.0.0.1", &ip4_addr);
ip4addr_aton("10.0.0.1", &ip4_addr); // mock address
addr4.addr.u_addr.ip4.addr = ip4_addr.addr;
addr4.addr.type = ESP_IPADDR_TYPE_V4;
addr4.next = &addr6;
ip6addr_aton("fd11:22::1", &ip6_addr);
ip6addr_aton("fd11:22::1", &ip6_addr); // mock address
memcpy(addr6.addr.u_addr.ip6.addr, ip6_addr.addr, sizeof(ip6_addr.addr));
addr6.addr.type = ESP_IPADDR_TYPE_V6;
addr6.next = NULL;
ESP_ERROR_CHECK( mdns_delegate_hostname_add("test-device", &addr4) );
ESP_ERROR_CHECK( mdns_service_add_for_host("test0", "_http", "_tcp", "test-device", 1234, serviceTxtData, 3) );
ESP_ERROR_CHECK( mdns_delegate_hostname_add(delegated_hostname, &addr4) );
ESP_ERROR_CHECK( mdns_service_add_for_host("test0", "_http", "_tcp", delegated_hostname, 1234, serviceTxtData, 3) );
#endif // CONFIG_MDNS_PUBLISH_DELEGATE_HOST
//add another TXT item
ESP_ERROR_CHECK( mdns_service_txt_item_set("_http", "_tcp", "path", "/foobar") );
//change TXT item value
@ -186,16 +193,10 @@ static void mdns_example_task(void *pvParameters)
query_mdns_host_with_gethostbyname("tinytester-lwip.local");
query_mdns_host_with_getaddrinfo("tinytester-lwip.local");
#endif
bool removed = false;
while (1) {
check_button();
vTaskDelay(50 / portTICK_PERIOD_MS);
if (pdTICKS_TO_MS(xTaskGetTickCount()) >= 15 * 1000 && ! removed) {
ESP_LOGI(TAG, "Remove delegate device\n");
ESP_ERROR_CHECK(mdns_delegate_hostname_remove("test-device"));
removed = true;
}
}
}