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Commit 703b0d22 authored by Juffin Alex Varghese's avatar Juffin Alex Varghese Committed by Steve Kondik
Browse files

OBEX: Reduce Obex MTU size for A2DP or SCO concurrency 

Reduce Obex MTU to 8k from 64k when OPP send is tried with
SCO / A2DP streaming in progress, so that the continue
response for first complete Obex PUT packet is received
from SOC within 50 seconds time frame.

CRs-Fixed: 571865
Change-Id: I1eae114f57f2a92ee4b26c82d8f55fafe02775b8
parent 17221101

obex/javax/obex/ClientSession.java

+9 −1
Original line number Diff line number Diff line
@@ -59,6 +59,8 @@ public final class ClientSession extends ObexSession { 


    private boolean mRequestActive;



    private boolean setMTU = false;



    private final InputStream mInput;



    private final OutputStream mOutput;
@@ -245,6 +247,10 @@ public final class ClientSession extends ObexSession { 
        return ObexHelper.convertToLong(mConnectionId);

    }



    public void reduceMTU(boolean enable) {

        setMTU = enable;

    }



    public Operation put(HeaderSet header) throws IOException {

        if (!mObexConnected) {

            throw new IOException("Not connected to the server");
@@ -451,7 +457,9 @@ public final class ClientSession extends ObexSession { 
                maxPacketSize = (mInput.read() << 8) + mInput.read();



                //check with local max size

                if (maxPacketSize > ObexHelper.MAX_CLIENT_PACKET_SIZE) {

                if (setMTU) {

                    maxPacketSize = ObexHelper.A2DP_SCO_OBEX_MAX_CLIENT_PACKET_SIZE;

                } else if (maxPacketSize > ObexHelper.MAX_CLIENT_PACKET_SIZE) {

                    maxPacketSize = ObexHelper.MAX_CLIENT_PACKET_SIZE;

                }

obex/javax/obex/ObexHelper.java

+1 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ public final class ObexHelper { 
     * TODO: Should be removed as soon as Microsoft updates their driver.

     */

    public static final int MAX_CLIENT_PACKET_SIZE = 0xFC00;

    public static final int A2DP_SCO_OBEX_MAX_CLIENT_PACKET_SIZE = 0x2000;



    public static final int OBEX_OPCODE_CONNECT = 0x80;