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feat: Implement iOS-compatible selective padding for BLE messages (#501)

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* feat: Implement iOS-compatible selective padding for BLE messages

* regression tests for padding

---------

Co-authored-by: callebtc <93376500+callebtc@users.noreply.github.com>
This commit is contained in:
Hamza Öztürk
2026-06-25 22:45:03 +02:00
committed by GitHub
co-authored by callebtc
parent 793b215457
commit c26460ae02
5 changed files with 224 additions and 9 deletions
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app/src/main/java/com/bitchat/android/mesh/BluetoothPacketBroadcaster.kt
+6 -2
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@@ -170,7 +170,9 @@ class BluetoothPacketBroadcaster(
characteristic: BluetoothGattCharacteristic?
): Boolean {
val packet = routed.packet
val data = packet.toBinaryData() ?: return false
// iOS-compatible: Use selective padding policy for BLE
val padForBLE = BLEPacketPaddingPolicy.shouldPadForBLE(packet.type)
val data = packet.toBinaryData(padding = padForBLE) ?: return false
val isFile = packet.type == MessageType.FILE_TRANSFER.value
if (isFile) {
Log.d(TAG, "📤 Broadcasting FILE_TRANSFER: ${packet.payload.size} bytes")
@@ -261,7 +263,9 @@ class BluetoothPacketBroadcaster(
characteristic: BluetoothGattCharacteristic?
) {
val packet = routed.packet
val data = packet.toBinaryData() ?: return
// iOS-compatible: Use selective padding policy for BLE
val padForBLE = BLEPacketPaddingPolicy.shouldPadForBLE(packet.type)
val data = packet.toBinaryData(padding = padForBLE) ?: return
val typeName = MessageType.fromValue(packet.type)?.name ?: packet.type.toString()
val senderPeerID = routed.peerID ?: packet.senderID.toHexString()
val incomingAddr = routed.relayAddress