Synchronized writes.

This commit is contained in:
Koen 2024-01-07 14:19:03 +01:00
parent 176814a715
commit 698725d611

View file

@ -90,6 +90,7 @@ class FCastCastingDevice : CastingDevice {
private var _thread: Thread? = null
private var _pingThread: Thread? = null
private var _lastPongTime = -1L
private var _outputStreamLock = Object()
constructor(name: String, addresses: Array<InetAddress>, port: Int) : super() {
this.name = name;
@ -476,34 +477,36 @@ class FCastCastingDevice : CastingDevice {
}
private fun send(opcode: Opcode, message: String? = null) {
try {
val data: ByteArray = message?.encodeToByteArray() ?: ByteArray(0)
val size = 1 + data.size
val outputStream = _outputStream
if (outputStream == null) {
Log.w(TAG, "Failed to send $size bytes, output stream is null.")
return
synchronized (_outputStreamLock) {
try {
val data: ByteArray = message?.encodeToByteArray() ?: ByteArray(0)
val size = 1 + data.size
val outputStream = _outputStream
if (outputStream == null) {
Log.w(TAG, "Failed to send $size bytes, output stream is null.")
return
}
val serializedSizeLE = ByteArray(4)
serializedSizeLE[0] = (size and 0xff).toByte()
serializedSizeLE[1] = (size shr 8 and 0xff).toByte()
serializedSizeLE[2] = (size shr 16 and 0xff).toByte()
serializedSizeLE[3] = (size shr 24 and 0xff).toByte()
outputStream.write(serializedSizeLE)
val opcodeBytes = ByteArray(1)
opcodeBytes[0] = opcode.value
outputStream.write(opcodeBytes)
if (data.isNotEmpty()) {
outputStream.write(data)
}
Log.d(TAG, "Sent $size bytes: (opcode: $opcode, body: $message).")
} catch (e: Throwable) {
Log.i(TAG, "Failed to send message.", e)
throw e
}
val serializedSizeLE = ByteArray(4)
serializedSizeLE[0] = (size and 0xff).toByte()
serializedSizeLE[1] = (size shr 8 and 0xff).toByte()
serializedSizeLE[2] = (size shr 16 and 0xff).toByte()
serializedSizeLE[3] = (size shr 24 and 0xff).toByte()
outputStream.write(serializedSizeLE)
val opcodeBytes = ByteArray(1)
opcodeBytes[0] = opcode.value
outputStream.write(opcodeBytes)
if (data.isNotEmpty()) {
outputStream.write(data)
}
Log.d(TAG, "Sent $size bytes: (opcode: $opcode, body: $message).")
} catch (e: Throwable) {
Log.i(TAG, "Failed to send message.", e)
throw e
}
}