From 020047b0f9739457f5ea46571d890ca0dea70102 Mon Sep 17 00:00:00 2001
From: David Cermak <cermak@espressif.com>
Date: Tue, 23 Nov 2021 13:02:49 +0100
Subject: [PATCH] Examples/lwip: sntp example - Make SNTP server configurable

Also updates NTP example test to allow more attempts
---
 examples/protocols/sntp/example_test.py          | 2 +-
 examples/protocols/sntp/main/Kconfig.projbuild   | 6 ++++++
 examples/protocols/sntp/main/sntp_example_main.c | 4 ++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/examples/protocols/sntp/example_test.py b/examples/protocols/sntp/example_test.py
index 79d0880849..ff9b888670 100644
--- a/examples/protocols/sntp/example_test.py
+++ b/examples/protocols/sntp/example_test.py
@@ -15,7 +15,7 @@ def test_examples_sntp(env, extra_data):
 
     dut.expect_all('Time is not set yet. Connecting to WiFi and getting time over NTP.',
                    'Initializing SNTP',
-                   'Waiting for system time to be set... (1/10)',
+                   re.compile(r'Waiting for system time to be set... \(\d+/\d+\)'),
                    'Notification of a time synchronization event',
                    timeout=60)
 
diff --git a/examples/protocols/sntp/main/Kconfig.projbuild b/examples/protocols/sntp/main/Kconfig.projbuild
index 45e1737413..490365acb3 100644
--- a/examples/protocols/sntp/main/Kconfig.projbuild
+++ b/examples/protocols/sntp/main/Kconfig.projbuild
@@ -1,5 +1,11 @@
 menu "Example Configuration"
 
+    config SNTP_TIME_SERVER
+        string "SNTP server name"
+        default "pool.ntp.org"
+        help
+            Hostname of the main SNTP server.
+
     choice SNTP_TIME_SYNC_METHOD
         prompt "Time synchronization method"
         default SNTP_TIME_SYNC_METHOD_IMMED
diff --git a/examples/protocols/sntp/main/sntp_example_main.c b/examples/protocols/sntp/main/sntp_example_main.c
index d3679082cf..e5e81f800a 100644
--- a/examples/protocols/sntp/main/sntp_example_main.c
+++ b/examples/protocols/sntp/main/sntp_example_main.c
@@ -183,8 +183,8 @@ static void initialize_sntp(void)
 #endif  /* LWIP_IPV6 */
 
 #else   /* LWIP_DHCP_GET_NTP_SRV && (SNTP_MAX_SERVERS > 1) */
-    // otherwise use DNS address from a pool
-    sntp_setservername(0, "pool.ntp.org");
+    // otherwise, use DNS address from a pool
+    sntp_setservername(0, CONFIG_SNTP_TIME_SERVER);
 #endif
 
     sntp_set_time_sync_notification_cb(time_sync_notification_cb);