v1.6.3 to fix dnsServer not closed

### Releases v1.6.3

1. Fix dnsServer not closed to free up DNS port 53. Check [**Allow captive portal to run more than once by closing dnsServer cleanly. #49** #49](#49)
2. Add `dnsServer can't start` error message.

Author: khoih-prog

CONTRIBUTING.md

@@ -29,7 +29,7 @@ Please ensure to specify the following:
 Arduino IDE version: 1.8.13
 ESP8266 Core Version 2.7.4
 OS: Ubuntu 20.04 LTS
-Linux xy-Inspiron-3593 5.4.0-70-generic #78-Ubuntu SMP Fri Mar 19 13:29:52 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
+Linux xy-Inspiron-3593 5.4.0-71-generic #79-Ubuntu SMP Wed Mar 24 10:56:57 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
 
 Context:
 I encountered an endless loop while trying to connect to Local WiFi.

README.md

@@ -16,6 +16,7 @@
   * [Why Async is better](#why-async-is-better)
   * [Currently supported Boards](#currently-supported-boards)
 * [Changelog](#changelog)
+  * [Releases v1.6.3](#releases-v163)
   * [Releases v1.6.2](#releases-v162)
   * [Releases v1.6.1](#releases-v161)
   * [Releases v1.6.0](#releases-v160)
@@ -204,6 +205,11 @@ This [**ESPAsync_WiFiManager_Lite** library](https://github.com/khoih-prog/ESPAs
 
 ## Changelog
 
+### Releases v1.6.3
+
+1. Fix dnsServer not closed to free up DNS port 53. Check [**Allow captive portal to run more than once by closing dnsServer cleanly. #49** #49](https://github.com/khoih-prog/ESPAsync_WiFiManager/pull/49)
+2. Add `dnsServer can't start` error message.
+
 ### Releases v1.6.2
 
 1. Fix example misleading messages. Check [**Minor: examples/Async_ESP32_FSWebServer/ wrongly uses FileFS.begin(true)** #47](https://github.com/khoih-prog/ESPAsync_WiFiManager/issues/47)
@@ -2139,7 +2145,7 @@ ESPAsync_wifiManager.setRemoveDuplicateAPs(false);
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3
@@ -3321,7 +3327,7 @@ This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr_Medium
 
 ```
 Starting Async_ConfigOnDRD_FS_MQTT_Ptr_Medium using LittleFS on ESP32_DEV
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 Config File not found
 Can't read Config File, using default values
@@ -3340,7 +3346,7 @@ Opening Configuration Portal. No timeout : DRD or No stored Credentials..
 
 ```
 Starting Async_ConfigOnDRD_FS_MQTT_Ptr_Medium using LittleFS on ESP32_DEV
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 Config File not found
 Can't read Config File, using default values
@@ -3428,7 +3434,7 @@ This is terminal debug output when running [Async_ConfigOnDRD_FS_MQTT_Ptr_Comple
 
 ```
 Starting Async_ConfigOnDRD_FS_MQTT_Ptr_Complex using LittleFS on ESP8266_NODEMCU
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector Version v1.1.1
 {"AIO_SERVER_Label":"io.adafruit.com","AIO_SERVERPORT_Label":"1883","AIO_USERNAME_Label":"user_name","AIO_KEY_Label":"aio_key"}
 Config File successfully parsed
@@ -3468,7 +3474,7 @@ TWWWW WTWWW
 
 ```
 Starting Async_ConfigOnDRD_FS_MQTT_Ptr_Complex using LittleFS on ESP8266_NODEMCU
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector Version v1.1.1
 {"AIO_SERVER_Label":"io.adafruit.com","AIO_SERVERPORT_Label":"1883","AIO_USERNAME_Label":"user_name","AIO_KEY_Label":"aio_key"}
 Config File successfully parsed
@@ -3558,7 +3564,7 @@ This is terminal debug output when running [Async_ConfigOnDoubleReset](examples/
 
 ```cpp
 Starting Async_ConfigOnDoubleReset with DoubleResetDetect using SPIFFS on ESP32_DEV
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 [WM] RFC925 Hostname = ConfigOnDoubleReset
 [WM] setSTAStaticIPConfig for USE_CONFIGURABLE_DNS
@@ -3617,7 +3623,7 @@ This is terminal debug output when running [Async_ConfigOnDoubleReset](examples/
 
 ```cpp
 Starting Async_ConfigOnDoubleReset with DoubleResetDetect using LittleFS on ESP8266_NODEMCU
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 [WM] RFC925 Hostname = ConfigOnDoubleReset
 [WM] setSTAStaticIPConfig for USE_CONFIGURABLE_DNS
@@ -3677,7 +3683,7 @@ This is terminal debug output when running [Async_ESP_FSWebServer_DRD](examples/
 
 ```cpp
 Starting Async_ESP_FSWebServer_DRD using LittleFS on ESP8266_NODEMCU
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 Opening / directory
 FS File: CanadaFlag_1.png, size: 40.25KB
@@ -3755,7 +3761,7 @@ This is terminal debug output when running [Async_ESP32_FSWebServer_DRD](example
 
 ```
 Starting Async_ESP32_FSWebServer_DRD using LittleFS on ESP32_DEV
-ESPAsync_WiFiManager v1.6.2
+ESPAsync_WiFiManager v1.6.3
 ESP_DoubleResetDetector v1.1.1
 FS File: /CanadaFlag_1.png, size: 40.25KB
 FS File: /CanadaFlag_2.png, size: 8.12KB
@@ -3895,6 +3901,11 @@ Submit issues to: [ESPAsync_WiFiManager issues](https://github.com/khoih-prog/ES
 
 ## Releases
 
+### Releases v1.6.3
+
+1. Fix dnsServer not closed to free up DNS port 53. Check [**Allow captive portal to run more than once by closing dnsServer cleanly. #49** #49](https://github.com/khoih-prog/ESPAsync_WiFiManager/pull/49)
+2. Add `dnsServer can't start` error message.
+
 ### Releases v1.6.2
 
 1. Fix example misleading messages. Check [**Minor: examples/Async_ESP32_FSWebServer/ wrongly uses FileFS.begin(true)** #47](https://github.com/khoih-prog/ESPAsync_WiFiManager/issues/47)
@@ -4000,6 +4011,7 @@ to use the better **asynchronous** [ESPAsyncWebServer](https://github.com/me-no-
 10. Thanks to [David Gunzinger](https://github.com/pfy) for creating merged PR [It should be possible to start the ConfigPortal without connecting to WiFI #38](https://github.com/khoih-prog/ESPAsync_WiFiManager/pull/38).
 11. Thanks to [Russell Jahn](https://github.com/russelljahn) for reporting [ESPAsync_WiFiManager::startConfigPortal() will cause a watchdog timeout when called from a higher-priority task. #39](https://github.com/khoih-prog/ESPAsync_WiFiManager/issues/39) leading to v1.5.0 and v1.6.0
 12. Thanks to [robcazzaro](https://github.com/robcazzaro) for reporting [Minor: examples/Async_ESP32_FSWebServer/ wrongly uses FileFS.begin(true) #47](https://github.com/khoih-prog/ESPAsync_WiFiManager/issues/47) leading to v1.6.2
+13. Thanks to [mattbradford83](https://github.com/mattbradford83) for identify, impressively locate, fix the bug and issue PR [Allow captive portal to run more than once by closing dnsServer cleanly. #49](https://github.com/khoih-prog/ESPAsync_WiFiManager/pull/49) leading to v1.6.3
 
 
 <table>
@@ -4022,6 +4034,7 @@ to use the better **asynchronous** [ESPAsyncWebServer](https://github.com/me-no-
   <tr>
     <td align="center"><a href="https://github.com/russelljahn"><img src="https://github.com/russelljahn.png" width="100px;" alt="russelljahn"/><br /><sub><b>Russell Jahn</b></sub></a><br /></td>
     <td align="center"><a href="https://github.com/robcazzaro"><img src="https://github.com/robcazzaro.png" width="100px;" alt="robcazzaro"/><br /><sub><b>robcazzaro</b></sub></a><br /></td>
+    <td align="center"><a href="https://github.com/mattbradford83"><img src="https://github.com/mattbradford83.png" width="100px;" alt="mattbradford83"/><br /><sub><b>Matt Bradford</b></sub></a><br /></td>
   </tr>
 </table>
 

examples/Async_AutoConnect/Async_AutoConnect.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,12 +32,13 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 #if !( defined(ESP8266) ||  defined(ESP32) )
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_AutoConnectWithFSParameters/Async_AutoConnectWithFSParameters.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,13 +32,14 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 
 #if !( defined(ESP8266) ||  defined(ESP32) )
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_AutoConnectWithFSParametersAndCustomIP/Async_AutoConnectWithFSParametersAndCustomIP.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,13 +32,14 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 
 #if !( defined(ESP8266) ||  defined(ESP32) )
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_AutoConnectWithFeedback/Async_AutoConnectWithFeedback.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,12 +32,13 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 #if !( defined(ESP8266) ||  defined(ESP32) )
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_AutoConnectWithFeedbackLED/Async_AutoConnectWithFeedbackLED.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,13 +32,14 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 
 #if !( defined(ESP8266) ||  defined(ESP32) )
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_ConfigOnDRD_FS_MQTT_Ptr/Async_ConfigOnDRD_FS_MQTT_Ptr.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 /****************************************************************************************************************************
   This example will open a Config Portal when there is no stored WiFi Credentials or when a DRD is detected.
@@ -50,7 +51,7 @@
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3

examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Complex/Async_ConfigOnDRD_FS_MQTT_Ptr_Complex.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 /****************************************************************************************************************************
   This example will open a Config Portal when there is no stored WiFi Credentials or when a DRD is detected.
@@ -50,7 +51,7 @@
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    2

examples/Async_ConfigOnDRD_FS_MQTT_Ptr_Medium/Async_ConfigOnDRD_FS_MQTT_Ptr_Medium.ino

@@ -13,7 +13,7 @@
 
   Built by Khoi Hoang https://github.com/khoih-prog/ESPAsync_WiFiManager
   Licensed under MIT license
-  Version: 1.6.2
+  Version: 1.6.3
 
   Version Modified By  Date      Comments
   ------- -----------  ---------- -----------
@@ -32,6 +32,7 @@
   1.6.0   K Hoang      25/02/2021 Fix WiFi Scanning bug.
   1.6.1   K Hoang      26/03/2021 Modify multiWiFi-related timings to work better with latest esp32 core v1.0.6
   1.6.2   K Hoang      08/04/2021 Fix example misleading messages.
+  1.6.3   K Hoang      13/04/2021 Allow captive portal to run more than once by closing dnsServer.
  *****************************************************************************************************************************/
 /****************************************************************************************************************************
   This example will open a Config Portal when there is no stored WiFi Credentials or when a DRD is detected.
@@ -50,7 +51,7 @@
   #error This code is intended to run on the ESP8266 or ESP32 platform! Please check your Tools->Board setting.
 #endif
 
-#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.2"
+#define ESP_ASYNC_WIFIMANAGER_VERSION_MIN_TARGET     "ESPAsync_WiFiManager v1.6.3"
 
 // Use from 0 to 4. Higher number, more debugging messages and memory usage.
 #define _ESPASYNC_WIFIMGR_LOGLEVEL_    3