commit 08/10/2025

BarixConnection Activate Deactivate Relays

src/barix/BarixConnection.kt

@@ -6,9 +6,11 @@ import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import org.tinylog.Logger
 import java.net.DatagramPacket
 import java.net.DatagramSocket
 import java.net.InetSocketAddress
+import java.net.Socket
 import java.nio.ByteBuffer
 import java.util.function.Consumer
 
@@ -21,6 +23,7 @@ class BarixConnection(val index: UInt, var channel: String, val ipaddress: Strin
     private val udp = DatagramSocket(0)
     private val inet = InetSocketAddress(ipaddress, port)
     private val maxUDPsize = 1000
+    private var _tcp: Socket? = null
 
 
     /**
@@ -53,6 +56,15 @@ class BarixConnection(val index: UInt, var channel: String, val ipaddress: Strin
             _onlinecounter = 5
         }
 
+    /**
+     * TCP command socket for communication with this Barix device
+     */
+    var commandsocket: Socket?
+        get()  = _tcp
+        set(value){
+            _tcp = value
+        }
+
     /**
      * Decrement online counter, if counter reaches 0, the device is considered offline
      */
@@ -142,4 +154,76 @@ class BarixConnection(val index: UInt, var channel: String, val ipaddress: Strin
     fun toJsonString(): String {
         return Somecodes.toJsonString(toJsonNode())
     }
+
+    /**
+     * Activate relay on Barix device
+     * @param relays The relay numbers to activate (1-8)
+     * @return true if successful
+     */
+    fun ActivateRelay(vararg relays: Int){
+        val command = StringBuilder("RELAY;")
+        var binary = 0
+        relays.forEach {
+            if (it in 1..8) {
+                binary = binary or (1 shl (it - 1))
+            }
+        }
+        command.append(binary.toString()).append("@")
+        SendCommand(command.toString())
+    }
+
+    fun ActivateRelay(relays: List<Int>){
+        val command = StringBuilder("RELAY;")
+        var binary = 0
+        relays.forEach {
+            if (it in 1..8) {
+                binary = binary or (1 shl (it - 1))
+            }
+        }
+        command.append(binary.toString()).append("@")
+        SendCommand(command.toString())
+    }
+
+    /**
+     * Deactivate relay on Barix device
+     */
+    fun DeactivateRelay(){
+        SendCommand("RELAY;0@")
+    }
+
+    /**
+     * Send command to Barix device
+     * @param command The command to send
+     * @return true if successful
+     */
+    fun SendCommand(command: String): Boolean {
+        try {
+            if (_tcp!=null){
+                if (!_tcp!!.isClosed){
+                    val bb = command.toByteArray()
+                    val size = bb.size + 4
+                    val b4 = byteArrayOf(
+                        (size shr 24 and 0xFF).toByte(),
+                        (size shr 16 and 0xFF).toByte(),
+                        (size shr 8 and 0xFF).toByte(),
+                        (size and 0xFF).toByte()
+                    )
+                    val out = _tcp!!.getOutputStream()
+                    out.write(b4)
+                    out.write(bb)
+                    out.flush()
+                    Logger.info { "SendCommand to $ipaddress : $command" }
+                    return true
+                }else {
+                    Logger.error { "Socket to $ipaddress is not connected" }
+                }
+            } else {
+                Logger.error { "Socket to $ipaddress is null" }
+            }
+
+        } catch (e: Exception) {
+            Logger.error { "Failed to SendCommand to $ipaddress, Message : ${e.message}" }
+        }
+        return false
+    }
 }