Added APIs for Connection-oriented channels

Experimental and hidden APIs are defined for the Connection-oriented Channel
(CoC) features. The APIs using PSM are implemented.

Test: Can compile
Bug: 70683224
Change-Id: Icdb5fa190b0e21881a60437fa48cd575371ee1e4

1 files changed, 15 insertions, 4 deletions

diff --git a/framework/java/android/bluetooth/BluetoothSocket.java b/framework/java/android/bluetooth/BluetoothSocket.java
index 0569913435..09f96840f9 100644
--- a/framework/java/android/bluetooth/BluetoothSocket.java
+++ b/framework/java/android/bluetooth/BluetoothSocket.java
@@ -99,6 +99,16 @@ public final class BluetoothSocket implements Closeable {
     /** L2CAP socket */
     public static final int TYPE_L2CAP = 3;
 
+    /** L2CAP socket on BR/EDR transport
+     * @hide
+     */
+    public static final int TYPE_L2CAP_BREDR = TYPE_L2CAP;
+
+    /** L2CAP socket on LE transport
+     * @hide
+     */
+    public static final int TYPE_L2CAP_LE = 4;
+
     /*package*/ static final int EBADFD = 77;
     /*package*/ static final int EADDRINUSE = 98;
 
@@ -417,6 +427,7 @@ public final class BluetoothSocket implements Closeable {
             return -1;
         }
         try {
+            if (DBG) Log.d(TAG, "bindListen(): mPort=" + mPort + ", mType=" + mType);
             mPfd = bluetoothProxy.getSocketManager().createSocketChannel(mType, mServiceName,
                     mUuid, mPort, getSecurityFlags());
         } catch (RemoteException e) {
@@ -451,7 +462,7 @@ public final class BluetoothSocket implements Closeable {
                     mSocketState = SocketState.LISTENING;
                 }
             }
-            if (DBG) Log.d(TAG, "channel: " + channel);
+            if (DBG) Log.d(TAG, "bindListen(): channel=" + channel + ", mPort=" + mPort);
             if (mPort <= -1) {
                 mPort = channel;
             } // else ASSERT(mPort == channel)
@@ -515,7 +526,7 @@ public final class BluetoothSocket implements Closeable {
     /*package*/ int read(byte[] b, int offset, int length) throws IOException {
         int ret = 0;
         if (VDBG) Log.d(TAG, "read in:  " + mSocketIS + " len: " + length);
-        if (mType == TYPE_L2CAP) {
+        if ((mType == TYPE_L2CAP) || (mType == TYPE_L2CAP_LE)) {
             int bytesToRead = length;
             if (VDBG) {
                 Log.v(TAG, "l2cap: read(): offset: " + offset + " length:" + length
@@ -558,7 +569,7 @@ public final class BluetoothSocket implements Closeable {
         //      Rfcomm uses dynamic allocation, and should not have any bindings
         //      to the actual message length.
         if (VDBG) Log.d(TAG, "write: " + mSocketOS + " length: " + length);
-        if (mType == TYPE_L2CAP) {
+        if ((mType == TYPE_L2CAP) || (mType == TYPE_L2CAP_LE)) {
             if (length <= mMaxTxPacketSize) {
                 mSocketOS.write(b, offset, length);
             } else {
@@ -702,7 +713,7 @@ public final class BluetoothSocket implements Closeable {
     }
 
     private void createL2capRxBuffer() {
-        if (mType == TYPE_L2CAP) {
+        if ((mType == TYPE_L2CAP) || (mType == TYPE_L2CAP_LE)) {
             // Allocate the buffer to use for reads.
             if (VDBG) Log.v(TAG, "  Creating mL2capBuffer: mMaxPacketSize: " + mMaxRxPacketSize);
             mL2capBuffer = ByteBuffer.wrap(new byte[mMaxRxPacketSize]);