Merge remote-tracking branch 'origin/features' into field

src/config.properties

@@ -0,0 +1,3 @@
+URL    = https://influx.sdi.hevs.ch
+ORG    = SIn15
+BUCKET = SIn15

src/main/java/ch/hevs/isi/MinecraftController.java

@@ -1,5 +1,8 @@
 package ch.hevs.isi;
 
+import ch.hevs.isi.core.BooleanDataPoint;
+import ch.hevs.isi.core.FloatDataPoint;
+import ch.hevs.isi.db.DatabaseConnector;
 import ch.hevs.isi.utils.Utility;
 
 public class MinecraftController {
@@ -74,5 +77,20 @@ public class MinecraftController {
 
         // Start coding here ...
 
+        // Initialize the database connector
+        if((dbProtocol != null) && (dbHostName != null)){
+            DatabaseConnector.url = dbProtocol+ "://" + dbHostName;
+            DatabaseConnector.getMySelf().initialize(dbProtocol+ "://" + dbHostName);
+        }
+        if(dbName != null){
+            DatabaseConnector.org = dbName;
+        }
+        if(dbUserName != null){
+            DatabaseConnector.bucket = dbUserName;
+        }
+
+        // Initialize the Modbus TCP connector
+
+
     }
 }

src/main/java/ch/hevs/isi/core/BooleanDataPoint.java

@@ -25,8 +25,8 @@ public class BooleanDataPoint extends DataPoint{
     public String toString(){
         String s;
         s = this.getLabel();
-        s += ": ";
+        s += "=";
-        s += this.getValue();
+        s += this.getValue() ? "1" : "0";
         return s;
     }
 }

src/main/java/ch/hevs/isi/core/FloatDataPoint.java

@@ -25,7 +25,7 @@ public class FloatDataPoint extends DataPoint{
     public String toString(){
         String s;
         s = this.getLabel();
-        s += ": ";
+        s += "=";
         s += this.getValue();
         return s;
     }

src/main/java/ch/hevs/isi/db/DatabaseConnector.java

@@ -1,32 +1,190 @@
 package ch.hevs.isi.db;
 
 
+import ch.hevs.isi.MinecraftController;
 import ch.hevs.isi.core.DataPoint;
 import ch.hevs.isi.core.DataPointListener;
+import ch.hevs.isi.core.FloatDataPoint;
+import ch.hevs.isi.utils.Utility;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.util.Properties;
+
 
 public class DatabaseConnector implements DataPointListener {
+    private Properties properties = new Properties();           // Properties of the config.properties file
+    private String fullURL = null;                              // Full URL of the InfluxDB server
+    private URL urlForWrite = null;                             // URL of the InfluxDB server
+    private HttpURLConnection con = null;                       // Connection to the InfluxDB server
+    private boolean initialized = false;                        // Boolean to know if the database connector is initialized
+    private TimeManager _timeManager = new TimeManager(3); // Time manager to manage the time of the data points
+    private long _timestamp = 0;                                // Timestamp of the data points
+    String default_token = System.getenv("SECRET_TOKEN"); // Token to access the InfluxDB server
+    public static String url = null;                            // URL of the InfluxDB server
+    public static String org = null;                            // Organization of the InfluxDB server
+    public static String bucket = null;                         // Bucket of the InfluxDB server
+
+
     private static DatabaseConnector  mySelf = null;
 
+    /**
+     * Private constructor of the database connector
+     * Read the config.properties file and initialize the database connector
+     */
     private DatabaseConnector (){
-
+        // Read the config.properties file
+        try (InputStream input = new FileInputStream("src/config.properties")) {
+            properties.load(input);
+        } catch (Exception e) {
+            e.printStackTrace();
         }
 
+        // Get the URL, the organization and the bucket from the config.properties file if their are null
+        if (url == null){
+            url = properties.getProperty("URL");
+        }
+        if (org == null){
+            org = properties.getProperty("ORG");
+        }
+        if (bucket == null){
+            bucket = properties.getProperty("BUCKET");
+        }
+    }
+
+    /**
+     * Get the instance of the database connector
+     * @return The instance of the database connector
+     */
     public static DatabaseConnector  getMySelf(){
         if (mySelf == null){
             mySelf = new DatabaseConnector();
         }
         return mySelf;
     }
+
+    /**
+     * Initialize the database connector
+     * @param url URL of the database. If null take the URL from the config.properties file
+     */
     public void initialize(String url){
-
+        try{
+            if(urlForWrite == null){
+                if(url == null){
+                    url = properties.getProperty("URL");
+                }
+                fullURL = url + "/api/v2/write?org=" + org + "&bucket=" + bucket;
+                Utility.pDebug("URL: " + fullURL);
+                urlForWrite = new URL(fullURL);
+            }
+            initialized = true;
+        } catch (MalformedURLException e) {
+            throw new RuntimeException(e);
         }
 
+        // If the user want to erase the previous data in the database
+        // Delete the previous data
+        if(MinecraftController.ERASE_PREVIOUS_DATA_INB_DB){
+            try {
+                // Create the URL to delete the data
+                fullURL = url + "/api/v2/delete?org=" + org + "&bucket=" + bucket;
+                Utility.pDebug("URL: " + fullURL);
+                URL urlForDelete = new URL(fullURL);
+                // Create the connection to the database
+                con = (HttpURLConnection) urlForDelete.openConnection();
+                con.setRequestMethod("POST");
+                con.setRequestProperty("Authorization", "Token " + default_token);
+                con.setRequestProperty("Content-Type", "text/plain");
+                con.setRequestProperty("Accept", "application/json");
+                con.setDoOutput(true);
+            } catch (MalformedURLException e) {
+                throw new RuntimeException(e);
+            } catch (ProtocolException e) {
+                throw new RuntimeException(e);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+
+            // Create the data to send to delete the data in the database and send it
+            String data = "{\n";
+            data += "\"start\": \"2000-01-01T00:00:00Z\",\n";
+            data += "\"stop\": \"2024-04-25T10:45:00Z\",\n";
+            data += "\"predicate\": \"_measurement=\\\"Minecraft\\\"\"\n";
+            data += "}";
+            Utility.pDebug(data);
+            sendDataToDatabase(data);
+            fullURL=null;   // Reset the full URL
+        }
+    }
+
+    /**
+     * Push the data point to the database
+     * @param dp Data point to push
+     */
     private void pushToDatabase(DataPoint dp) {
-        System.out.println(dp.toString() + " -> Database");
+        // Initialize the database connector if not already done
+        if(initialized == false){
+            initialize(null);
         }
 
+        // Create the data to send
+        String data = "Minecraft ";
+        data += dp.toString();
+        data += " " + _timestamp;
+
+        // Send the data to the database
+        sendDataToDatabase(data);
+    }
+
+    private void sendDataToDatabase(String data){
+        try {
+            // Create connection and set headers
+            if(con == null){
+                con = (HttpURLConnection) urlForWrite.openConnection();
+                con.setRequestMethod("POST");
+                con.setRequestProperty("Authorization", "Token " + default_token);
+                con.setRequestProperty("Content-Type", "application/json");
+                con.setDoOutput(true);
+            }
+
+            // Send data
+            OutputStreamWriter writer = new OutputStreamWriter(con.getOutputStream());
+            writer.write(data);
+            writer.flush();
+
+            // Get response code
+            int respondCode = con.getResponseCode();
+            if(respondCode != 204){
+                System.out.println("Error: " + respondCode + ", Data: " + data);
+            } else {
+                System.out.println(data + " -> Database");
+            }
+            con.disconnect();
+            con = null;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    /**
+     * Push the data point to the database
+     * @param dp Data point to push
+     */
     @Override
     public void onNewValue(DataPoint dp) {
+        if(dp.getLabel().equals("CLOAK_FLOAT")) {
+            FloatDataPoint fdp = (FloatDataPoint) dp;
+            _timeManager.setTimestamp(fdp.getValue());
+            _timestamp = _timeManager.getNanosForDB();
+        }
+        if(_timestamp != 0){
             pushToDatabase(dp);
         }
     }
+}

src/main/java/ch/hevs/isi/utils/Utility.java

@@ -21,6 +21,7 @@ import java.util.*;
 public class Utility {
     /** Default size for the TCP input stream */
     public static final int	TCP_BUFFER_SIZE 	= 4096;
+    public static final boolean DEBUG_MODE = false;
 
     /** Object to get some random values... */
     public static Random rnd = new Random(1);
@@ -419,4 +420,8 @@ public class Utility {
             System.out.println(logMsg);
         }
     }
+
+    public static void pDebug(String msg) {
+        if(DEBUG_MODE) System.out.println(msg);
+    }
 }

src/test/java/Database.java

@@ -0,0 +1,29 @@
+import ch.hevs.isi.MinecraftController;
+import ch.hevs.isi.core.BooleanDataPoint;
+import ch.hevs.isi.core.DataPoint;
+import ch.hevs.isi.core.FloatDataPoint;
+import ch.hevs.isi.db.DatabaseConnector;
+
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.Properties;
+
+public class Database {
+    public static void main(String[] args) {
+        MinecraftController.ERASE_PREVIOUS_DATA_INB_DB = true;
+        FloatDataPoint clock = new FloatDataPoint("CLOAK_FLOAT", false);
+        FloatDataPoint gridVoltage = new FloatDataPoint("GRID_U_FLOAT", true);
+        BooleanDataPoint solarPanel = new BooleanDataPoint("REMOTE_SOLAR_SW", true);
+
+        DatabaseConnector.getMySelf().initialize(null);
+
+        clock.setValue(0f);
+
+        for (float i = 0; i < 3; i += 0.1f) {
+            System.out.println("");
+            clock.setValue(i);
+            gridVoltage.setValue(750 + (100*i)%100);
+        }
+
+    }
+}