scan scan scan scan

ykonsole-iconsole/src/main/kotlin/net/aiterp/git/ykonsole2/infrastructure/IConsole.kt

@@ -71,6 +71,31 @@ class IConsole : ActiveDriver() {
     current?.cancelConnection()
     tryingSince = Instant.now()
 
+    if (central == null) {
+      val cbScan = object : BluetoothCentralManagerCallback() {
+        override fun onScanStarted() {
+          logger.info("Scanning for $connectionString...")
+        }
+
+        override fun onScanStopped() {
+          logger.info("Scan stopped")
+
+          tryingSince?.let { ts ->
+            if (ts.isBefore(Instant.now().minusSeconds(20))) {
+              central?.stopScan()
+              tryingSince = null
+              runBlocking {
+                output.emit(ErrorOccurred("Connection timeout after 20 seconds"))
+                output.emit(Disconnected)
+              }
+            }
+          }
+        }
+
+        override fun onDiscoveredPeripheral(peripheral: BluetoothPeripheral, scanResult: ScanResult) {
+          logger.info("Connecting to ${peripheral.name} (${peripheral.address})...")
+
+          if (tryingSince != null) {
             val cbPeripheral = object : BluetoothPeripheralCallback() {
               override fun onServicesDiscovered(peripheral: BluetoothPeripheral, services: MutableList<BluetoothGattService>) {
                 logger.info("Checking device...")
@@ -165,30 +190,6 @@ class IConsole : ActiveDriver() {
               }
             }
 
-    val cbScan = object : BluetoothCentralManagerCallback() {
-      override fun onScanStarted() {
-        logger.info("Scanning for $connectionString...")
-      }
-
-      override fun onScanStopped() {
-        logger.info("Scan stopped")
-
-        tryingSince?.let { ts ->
-          if (ts.isBefore(Instant.now().minusSeconds(20))) {
-            central?.stopScan()
-            tryingSince = null
-            runBlocking {
-              output.emit(ErrorOccurred("Connection timeout after 20 seconds"))
-              output.emit(Disconnected)
-            }
-          }
-        }
-      }
-
-      override fun onDiscoveredPeripheral(peripheral: BluetoothPeripheral, scanResult: ScanResult) {
-        logger.info("Connecting to ${peripheral.name} (${peripheral.address})...")
-
-        if (tryingSince != null) {
             tryingSince = null
             central?.connectPeripheral(peripheral, cbPeripheral)
             central?.stopScan()
@@ -222,9 +223,10 @@ class IConsole : ActiveDriver() {
         }
       }
 
-    central = BluetoothCentralManager(cbScan).apply {
-      scanForPeripheralsWithAddresses(arrayOf(connectionString))
+      central = BluetoothCentralManager(cbScan)
     }
+
+    central?.scanForPeripheralsWithAddresses(arrayOf(connectionString))
   }
 
   private fun onDisconnect() {