Added ability send MQTT messages in the MQTT page

hal-core/src/se/hal/HalContext.java

@@ -61,7 +61,7 @@ public class HalContext {
         logger.info("Runtime folder: " + new File("").getAbsolutePath());
 
         if (FileUtil.find("build/install/Hal") != null) // Development environment
-            RUNTIME_ROOT = "build/install/Hal";
+            RUNTIME_ROOT = "./build/install/Hal";
         else
             RUNTIME_ROOT = ".";
     }
@@ -70,8 +70,8 @@ public class HalContext {
     public static final String RESOURCE_WEB_ROOT = HalContext.RUNTIME_ROOT + "/web";
     public static final String RESOURCE_BIN_ROOT = HalContext.RUNTIME_ROOT + "/bin";
 
-    private static final String CONF_FILE = RUNTIME_ROOT + "/hal.conf";
+    private static final String CONF_FILE = "./hal.conf";
-    static final String DB_FILE           = RUNTIME_ROOT + "/hal.db";
+            static final String DB_FILE   = "./hal.db";
 
     // Variables
 

plugins/hal-mqtt/resources/web/mqtt_overview.tmpl

@@ -3,17 +3,38 @@
 <div class="row">
     <div class="col-md-8">
         <div class="panel panel-default drop-shadow">
-            <div class="panel-heading">Published Topic Data</div>
+            <div class="panel-heading">Publish Data</div>
+            <div class="panel-body">
+                <form method="POST">
+                    <div class="form-group">
+                        <label for="topic">Topic:</label>
+                        <input type="text" class="form-control" id="topic" name="topic">
+                    </div>
+                    <div class="form-group">
+                        <label for="topic">Value:</label>
+                        <input type="text" class="form-control" id="value" name="value">
+                    </div>
+                    <button type="submit" class="btn btn-primary">Submit</button>
+                </form>
+            </div>
+        </div>
+
+        <br>
+
+        <div class="panel panel-default drop-shadow">
+            <div class="panel-heading">Broker Topic Data History</div>
             <div class="panel-body">
                 <table class="table table-hover table-condensed">
                     <tr>
                         <th>Topic</th>
                         <th>Published Data</th>
+                        <th>Sub-Count</th>
                     </tr>
                     {{#topics}}
                     <tr>
-                        <td style="font-family:monospace;">{{.getKey()}}</td>
+                        <td style="font-family:monospace;">{{.topicName}}</td>
-                        <td><pre style="white-space: pre-wrap;">{{.getValue()}}</pre></td>
+                        <td><pre style="white-space: pre-wrap;">{{.value}}</pre></td>
+                        <td>{{.getSubscriberCount()}}</td>
                     </tr>
                     {{/topics}}
                 </table>

plugins/hal-mqtt/src/se/hal/plugin/mqtt/page/MqttOverviewPage.java

@@ -1,3 +1,27 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2025 Ziver Koc
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
 package se.hal.plugin.mqtt.page;
 
 import se.hal.HalContext;
@@ -17,7 +41,8 @@ import java.util.Map;
 public class MqttOverviewPage extends HalWebPage implements MqttSubscriptionListener {
     private static final String TEMPLATE = HalContext.RESOURCE_WEB_ROOT + "/mqtt_overview.tmpl";
 
-    private Map<String, String> topicData = new HashMap<>();
+    private MqttBroker broker;
+    private Map<String, TopicDTO> topicData = new HashMap<>();
 
 
     public MqttOverviewPage() {
@@ -25,14 +50,18 @@ public class MqttOverviewPage extends HalWebPage implements MqttSubscriptionList
         super.getRootNav().createSubNav("Settings").createSubNav(this.getId(), "MQTT Overview").setWeight(9_000);
 
         HalMqttController controller = HalAbstractControllerManager.getController(HalMqttController.class);
-        MqttBroker broker = controller.getBroker();
+        broker = controller.getBroker();
         broker.addGlobalSubscriber(this);
     }
 
 
     @Override
     public synchronized void dataPublished(String topic, byte[] data) {
-        topicData.put(topic, new String(data, StandardCharsets.UTF_8));
+        if (!topicData.containsKey(topic)) {
+            topicData.put(topic, new TopicDTO(topic));
+        }
+
+        topicData.get(topic).value = new String(data, StandardCharsets.UTF_8);
     }
 
     @Override
@@ -42,8 +71,26 @@ public class MqttOverviewPage extends HalWebPage implements MqttSubscriptionList
             Map<String, String> request)
             throws Exception {
 
+        if (request.containsKey("topic") && request.containsKey("value")) {
+            broker.publish(request.get("topic"), request.get("value"));
+        }
+
         Templator tmpl = new Templator(FileUtil.find(TEMPLATE));
-        tmpl.set("topics", topicData.entrySet());
+        tmpl.set("topics", topicData.values());
         return tmpl;
     }
+
+
+    public class TopicDTO {
+        public String topicName;
+        public String value;
+
+        public TopicDTO(String topicName) {
+            this.topicName = topicName;
+        }
+
+        public int getSubscriberCount() {
+            return broker.getSubscriberCount(topicName);
+        }
+    }
 }