permissionlesstech/bitchat-android
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improve identity announcements (#198)

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* improve identity announcements

* touches

* signing noise id

* panic mode delete signing key
This commit is contained in:
callebtc
2025-07-31 06:26:41 +02:00
committed by GitHub
parent 34d00839b2
commit 4cb5932fd0
15 changed files with 302 additions and 113 deletions
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app/src/main/java/com/bitchat/android/mesh/BluetoothPacketBroadcaster.kt
+20 -11
View File
@@ -20,8 +20,19 @@ import kotlinx.coroutines.channels.actor
/**
* Handles packet broadcasting to connected devices using actor pattern for serialization
*
* SERIALIZATION FIX: Uses Kotlin coroutine actor to serialize all packet broadcasting
* This prevents race conditions when multiple threads try to broadcast simultaneously
* In Bluetooth Low Energy (BLE):
*
* Peripheral (server):
* Advertises.
* Accepts connections.
* Hosts a GATT server.
* Remote devices read/write/subscribe to characteristics.
*
* Central (client):
* Scans.
* Initiates connections.
* Hosts a GATT client.
* Reads/writes to the peripheral’s characteristics.
*/
class BluetoothPacketBroadcaster(
private val connectionScope: CoroutineScope,
@@ -52,9 +63,7 @@ class BluetoothPacketBroadcaster(
Log.d(TAG, "🎭 Created packet broadcaster actor")
try {
for (request in channel) {
Log.d(TAG, "Processing broadcast for packet type ${request.routed.packet.type} (serialized)")
broadcastSinglePacketInternal(request.routed, request.gattServer, request.characteristic)
Log.d(TAG, "Completed broadcast for packet type ${request.routed.packet.type}")
}
} finally {
Log.d(TAG, "🎭 Packet broadcaster actor terminated")
@@ -158,25 +167,25 @@ class BluetoothPacketBroadcaster(
// Send to server connections (devices connected to our GATT server)
subscribedDevices.forEach { device ->
if (device.address == routed.relayAddress) {
Log.d(TAG, "Skipping broadcast back to relayer: ${device.address}")
Log.d(TAG, "Skipping broadcast to client back to relayer: ${device.address}")
return@forEach
}
if (connectionTracker.addressPeerMap[device.address] == senderID) {
Log.d(TAG, "Skipping broadcast back to sender: ${device.address}")
Log.d(TAG, "Skipping broadcast to client back to sender: ${device.address}")
return@forEach
}
notifyDevice(device, data, gattServer, characteristic)
}
// Send to client connections
// Send to client connections (GATT servers we are connected to)
connectedDevices.values.forEach { deviceConn ->
if (deviceConn.isClient && deviceConn.gatt != null && deviceConn.characteristic != null) {
if (deviceConn.device.address == routed.relayAddress) {
Log.d(TAG, "Skipping broadcast back to relayer: ${deviceConn.device.address}")
Log.d(TAG, "Skipping broadcast to server back to relayer: ${deviceConn.device.address}")
return@forEach
}
if (connectionTracker.addressPeerMap[deviceConn.device.address] == senderID) {
Log.d(TAG, "Skipping broadcast back to sender: ${deviceConn.device.address}")
Log.d(TAG, "Skipping roadcast to server back to sender: ${deviceConn.device.address}")
return@forEach
}
writeToDeviceConn(deviceConn, data)
@@ -185,7 +194,7 @@ class BluetoothPacketBroadcaster(
}
/**
* Send data to a single device (server side)
* Send data to a single device (server->client)
*/
private fun notifyDevice(
device: BluetoothDevice,
@@ -211,7 +220,7 @@ class BluetoothPacketBroadcaster(
}
/**
* Send data to a single device (client side)
* Send data to a single device (client->server)
*/
private fun writeToDeviceConn(
deviceConn: BluetoothConnectionTracker.DeviceConnection,