Merge "Add function to change LE Tx Data Length" am: 383a7d432f am: cffe307fa5
am: 3a19b325c1
Change-Id: I717bfaa6fa452be311b493199dfc59a9124a73f0
diff --git a/core/java/android/bluetooth/BluetoothSocket.java b/core/java/android/bluetooth/BluetoothSocket.java
index 09f9684..09a5b59 100644
--- a/core/java/android/bluetooth/BluetoothSocket.java
+++ b/core/java/android/bluetooth/BluetoothSocket.java
@@ -676,6 +676,35 @@
mExcludeSdp = excludeSdp;
}
+ /**
+ * Set the LE Transmit Data Length to be the maximum that the BT Controller is capable of. This
+ * parameter is used by the BT Controller to set the maximum transmission packet size on this
+ * connection. This function is currently used for testing only.
+ * @hide
+ */
+ public void requestMaximumTxDataLength() throws IOException {
+ if (mDevice == null) {
+ throw new IOException("requestMaximumTxDataLength is called on null device");
+ }
+
+ try {
+ if (mSocketState == SocketState.CLOSED) {
+ throw new IOException("socket closed");
+ }
+ IBluetooth bluetoothProxy =
+ BluetoothAdapter.getDefaultAdapter().getBluetoothService(null);
+ if (bluetoothProxy == null) {
+ throw new IOException("Bluetooth is off");
+ }
+
+ if (DBG) Log.d(TAG, "requestMaximumTxDataLength");
+ bluetoothProxy.getSocketManager().requestMaximumTxDataLength(mDevice);
+ } catch (RemoteException e) {
+ Log.e(TAG, Log.getStackTraceString(new Throwable()));
+ throw new IOException("unable to send RPC: " + e.getMessage());
+ }
+ }
+
private String convertAddr(final byte[] addr) {
return String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);