From a9baff8c578a5dc568a9770a64b441eb241efdfe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?L=C3=BCbbe=20Onken?= <luebbe.opensource@gmail.com>
Date: Thu, 16 Mar 2023 21:04:57 +0100
Subject: [PATCH] Add a notification callback to sensor nodes to be called when
 data has been sent.

---
 src/SensorNode.cpp |  4 ++++
 src/SensorNode.hpp | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/SensorNode.cpp b/src/SensorNode.cpp
index b733c24..c5c43da 100644
--- a/src/SensorNode.cpp
+++ b/src/SensorNode.cpp
@@ -80,6 +80,10 @@ void SensorNode::loop()
     {
       send();
       _lastSendTime = now;
+      if (_onDataSent != NULL)
+      {
+        _onDataSent();
+      }
     }
   }
 }
diff --git a/src/SensorNode.hpp b/src/SensorNode.hpp
index 320c506..80262f7 100644
--- a/src/SensorNode.hpp
+++ b/src/SensorNode.hpp
@@ -13,6 +13,9 @@
 
 class SensorNode : public BaseNode
 {
+public:
+  typedef std::function<void(void)> TOnDataSent;
+
 protected:
   static const int READ_INTERVAL = 300 * 1000UL; // 300 seconds
   static const int SEND_INTERVAL = 300 * 1000UL;
@@ -26,6 +29,8 @@ class SensorNode : public BaseNode
   const float cMinHumid = 0.0;
   const float cMaxHumid = 100.0;
 
+  TOnDataSent _onDataSent;
+
   float computeAbsoluteHumidity(float tempCelsius, float percentHumidity);
   float computeDewpoint(float tempCelsius, float percentHumidity);
 
@@ -42,4 +47,9 @@ class SensorNode : public BaseNode
   explicit SensorNode(const char *id, const char *name, const char *type,
                       const int readInterval = READ_INTERVAL,
                       const int sendInterval = SEND_INTERVAL);
+
+  void SetOnDataSent(TOnDataSent OnDataSent)
+  {
+    _onDataSent = OnDataSent;
+  }
 };