From 2aab02940df017a92f72d295cb7a350c2722ce99 Mon Sep 17 00:00:00 2001
From: Phat Nguyen <phat.nt@hotmail.com>
Date: Sun, 18 Feb 2024 15:20:31 +0700
Subject: [PATCH] add local webserver mDNS `airgradient_<devId>.local`

---
 examples/ONE_I-9PSL/ONE_I-9PSL.ino | 10 +++++++++-
 examples/Open_Air/Open_Air.ino     | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/examples/ONE_I-9PSL/ONE_I-9PSL.ino b/examples/ONE_I-9PSL/ONE_I-9PSL.ino
index 8cd1177..7dc29e7 100644
--- a/examples/ONE_I-9PSL/ONE_I-9PSL.ino
+++ b/examples/ONE_I-9PSL/ONE_I-9PSL.ino
@@ -46,6 +46,7 @@ CC BY-SA 4.0 Attribution-ShareAlike 4.0 International License
 #include "EEPROM.h"
 #include <AirGradient.h>
 #include <Arduino_JSON.h>
+#include <ESPmDNS.h>
 #include <U8g2lib.h>
 #include <WebServer.h>
 
@@ -897,14 +898,21 @@ void webServerHandler(void *param) {
 }
 
 static void webServerInit(void) {
+  String host = "airgradient_" + getDevId();
+  if (!MDNS.begin(host)) {
+    Serial.println("Init MDNS failed");
+    return;
+  }
+
   webServer.on("/measures/current", HTTP_GET, webServerMeasureCurrentGet);
   webServer.begin();
+  MDNS.addService("http", "tcp", 80);
 
   if (xTaskCreate(webServerHandler, "webserver", 1024 * 4, NULL, 5, NULL) !=
       pdTRUE) {
     Serial.println("Create task handle webserver failed");
   }
-  Serial.println("Webserver init");
+  Serial.printf("Webserver init: %s.local\r\n", host.c_str());
 }
 
 static String getServerSyncData(bool localServer) {
diff --git a/examples/Open_Air/Open_Air.ino b/examples/Open_Air/Open_Air.ino
index 8b3551c..6838aa7 100644
--- a/examples/Open_Air/Open_Air.ino
+++ b/examples/Open_Air/Open_Air.ino
@@ -39,6 +39,7 @@ CC BY-SA 4.0 Attribution-ShareAlike 4.0 International License
 #include "mqtt_client.h"
 #include <AirGradient.h>
 #include <Arduino_JSON.h>
+#include <ESPmDNS.h>
 #include <HTTPClient.h>
 #include <HardwareSerial.h>
 #include <WebServer.h>
@@ -1300,14 +1301,21 @@ void webServerHandler(void *param) {
 }
 
 static void webServerInit(void) {
+  String host = "airgradient_" + getDevId();
+  if (!MDNS.begin(host)) {
+    Serial.println("Init MDNS failed");
+    return;
+  }
+
   webServer.on("/measures/current", HTTP_GET, webServerMeasureCurrentGet);
   webServer.begin();
+  MDNS.addService("http", "tcp", 80);
 
   if (xTaskCreate(webServerHandler, "webserver", 1024 * 4, NULL, 5, NULL) !=
       pdTRUE) {
     Serial.println("Create task handle webserver failed");
   }
-  Serial.println("Webserver init");
+  Serial.printf("Webserver init: %s.local\r\n", host.c_str());
 }
 
 static String getServerSyncData(bool localServer) {