From 4a08b189d55982ded7ff0f68880b812784de9d10 Mon Sep 17 00:00:00 2001
From: Sebastian Krzyszkowiak <dos@dosowisko.net>
Date: Fri, 17 Sep 2021 05:58:42 +0200
Subject: [PATCH] Allow to set a custom timezoned server

---
 README.md      | 9 +++++++++
 src/ezTime.cpp | 9 ++++++++-
 src/ezTime.h   | 1 +
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 9fd1c0a..3ee9c69 100644
--- a/README.md
+++ b/README.md
@@ -264,6 +264,14 @@ By default, ezTime is set to poll `pool.ntp.org` about every 30 minutes. These d
 
 &nbsp;
 
+#### *setTimezoneServer*
+
+`void setTimezoneServer(String timezone_server = TIMEZONED_REMOTE_HOST, uint16_t timezone_port = TIMEZONED_REMOTE_PORT);`
+
+By default, ezTime uses [`timezoned.rop.nl`](#timezonedropnl) service to resolve timezone data when using [`setLocation`](#setlocation). You can switch to another server with `setTimezoneServer`.
+
+&nbsp;
+
 ### *updateNTP*
 
 `void updateNTP();`
@@ -1083,6 +1091,7 @@ ezTime 0.7.2 runs fine (No networking on board, so tested with NoNetwork example
 | [**`setLocation`**](#setlocation) | `bool` | `String location = ""` | yes | yes | no
 | [**`setPosix`**](#setposix) | `bool` | `String posix` | yes | yes | no
 | [**`setServer`**](#setserver-and-setinterval) | `void` | `String ntp_server = NTP_SERVER` | no | yes | no
+| [**`setTimezoneServer`**](#settimezoneserver) | `void` | `String timezone_server = TIMEZONED_REMOTE_HOST`, `uint16_t timezone_port = TIMEZONED_REMOTE_PORT` | no | yes | no
 | [**`setTime`**](#settime) | `void` | `time_t t`, `uint16_t ms = 0` | optional | no | no
 | [**`setTime`**](#settime) | `void` | `uint8_t hr`, `uint8_t min`, `uint8_t sec`, `uint8_t day`, `uint8_t mnth`, `uint16_t yr` | optional | no | no
 | [**`timeStatus`**](#timestatus) | `timeStatus_t` | | no | no | no
diff --git a/src/ezTime.cpp b/src/ezTime.cpp
index 78d4399..0cef926 100644
--- a/src/ezTime.cpp
+++ b/src/ezTime.cpp
@@ -79,6 +79,8 @@ namespace {
 	#ifdef EZTIME_NETWORK_ENABLE
 		uint16_t _ntp_interval = NTP_INTERVAL;
 		String _ntp_server = NTP_SERVER;
+		String _timezone_server = TIMEZONED_REMOTE_HOST;
+		uint16_t _timezone_port = TIMEZONED_REMOTE_PORT;
 	#endif
 
 	void triggerError(const ezError_t err) {
@@ -518,6 +520,11 @@ namespace ezt {
 
 		void setServer(const String ntp_server /* = NTP_SERVER */) { _ntp_server = ntp_server; }
 
+		void setTimezoneServer(const String timezone_server /* = TIMEZONED_REMOTE_HOST */, const uint16_t timezone_port /* = TIMEZONED_REMOTE_PORT */) {
+			_timezone_server = timezone_server;
+			_timezone_port = timezone_port;
+		}
+
 		bool waitForSync(const uint16_t timeout /* = 0 */) {
 
 			unsigned long start = millis();
@@ -818,7 +825,7 @@ String Timezone::getPosix() { return _posix; }
 		udp.flush();
 		udp.begin(TIMEZONED_LOCAL_PORT);
 		unsigned long started = millis();
-		udp.beginPacket(TIMEZONED_REMOTE_HOST, TIMEZONED_REMOTE_PORT);
+		udp.beginPacket(_timezone_server.c_str(), _timezone_port);
 		udp.write((const uint8_t*)location.c_str(), location.length());
 		udp.endPacket();
 		
diff --git a/src/ezTime.h b/src/ezTime.h
index d849847..759f6bc 100644
--- a/src/ezTime.h
+++ b/src/ezTime.h
@@ -202,6 +202,7 @@ namespace ezt {
 		bool queryNTP(const String server, time_t &t, unsigned long &measured_at);
 		void setInterval(const uint16_t seconds = 0);
 		void setServer(const String ntp_server = NTP_SERVER);
+		void setTimezoneServer(const String timezone_server = TIMEZONED_REMOTE_HOST, const uint16_t timezone_port = TIMEZONED_REMOTE_PORT);
 		void updateNTP();
 		bool waitForSync(const uint16_t timeout = 0);
 		time_t lastNtpUpdateTime();