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Added synchronization to sender.

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This commit is contained in:
Koen 2024-01-07 14:16:03 +01:00
parent 48cf03f78b
commit 6f90cf7bb6
2 changed files with 31 additions and 28 deletions
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57
receivers/android/app/src/main/java/com/futo/fcast/receiver/FCastSession.kt
View file

@ -62,37 +62,40 @@ class FCastSession(outputStream: OutputStream, private val _remoteSocketAddress:
private var _packetLength = 0
private var _state = SessionState.WaitingForLength
private var _outputStream: DataOutputStream? = DataOutputStream(outputStream)
private var _outputStreamLock = Object()
val id = UUID.randomUUID()
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 ${id}.", 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 ${id}.", e)
throw e
}
}

2
receivers/android/app/src/main/java/com/futo/fcast/receiver/NetworkService.kt
View file

@ -142,7 +142,7 @@ class NetworkService : Service() {
session.send(opcode, message)
Log.i(TAG, "Opcode sent (opcode = $opcode) ${session.id}")
} catch (e: Throwable) {
Log.w(TAG, "Failed to send playback error", e)
Log.w(TAG, "Failed to send opcode (opcode = $opcode) ${session.id}", e)
}
}
}