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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.bluetooth.mapclient;
import android.util.Log;
import com.android.bluetooth.ObexServerSockets;
import java.io.IOException;
import java.lang.ref.WeakReference;
import java.util.Arrays;
import javax.obex.HeaderSet;
import javax.obex.Operation;
import javax.obex.ResponseCodes;
import javax.obex.ServerRequestHandler;
class MnsObexServer extends ServerRequestHandler {
private static final String TAG = "MnsObexServer";
private static final boolean VDBG = MapClientService.VDBG;
private static final byte[] MNS_TARGET = new byte[]{
(byte) 0xbb,
0x58,
0x2b,
0x41,
0x42,
0x0c,
0x11,
(byte) 0xdb,
(byte) 0xb0,
(byte) 0xde,
0x08,
0x00,
0x20,
0x0c,
(byte) 0x9a,
0x66
};
private static final String TYPE = "x-bt/MAP-event-report";
private final WeakReference<MceStateMachine> mStateMachineReference;
private final ObexServerSockets mObexServerSockets;
MnsObexServer(MceStateMachine stateMachine, ObexServerSockets socketOriginator) {
super();
mStateMachineReference = new WeakReference<>(stateMachine);
mObexServerSockets = socketOriginator;
}
@Override
public int onConnect(final HeaderSet request, HeaderSet reply) {
if (VDBG) {
Log.v(TAG, "onConnect");
}
try {
byte[] uuid = (byte[]) request.getHeader(HeaderSet.TARGET);
if (!Arrays.equals(uuid, MNS_TARGET)) {
return ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE;
}
} catch (IOException e) {
// this should never happen since getHeader won't throw exception it
// declares to throw
return ResponseCodes.OBEX_HTTP_INTERNAL_ERROR;
}
reply.setHeader(HeaderSet.WHO, MNS_TARGET);
return ResponseCodes.OBEX_HTTP_OK;
}
@Override
public void onDisconnect(final HeaderSet request, HeaderSet reply) {
if (VDBG) {
Log.v(TAG, "onDisconnect");
}
MceStateMachine currentStateMachine = mStateMachineReference.get();
if (currentStateMachine != null) {
currentStateMachine.disconnect();
}
}
@Override
public int onGet(final Operation op) {
if (VDBG) {
Log.v(TAG, "onGet");
}
return ResponseCodes.OBEX_HTTP_BAD_REQUEST;
}
@Override
public int onPut(final Operation op) {
if (VDBG) {
Log.v(TAG, "onPut");
}
try {
HeaderSet headerset;
headerset = op.getReceivedHeader();
String type = (String) headerset.getHeader(HeaderSet.TYPE);
ObexAppParameters oap = ObexAppParameters.fromHeaderSet(headerset);
if (!TYPE.equals(type) || !oap.exists(Request.OAP_TAGID_MAS_INSTANCE_ID)) {
return ResponseCodes.OBEX_HTTP_BAD_REQUEST;
}
Byte inst = oap.getByte(Request.OAP_TAGID_MAS_INSTANCE_ID);
EventReport ev = EventReport.fromStream(op.openDataInputStream());
op.close();
MceStateMachine currentStateMachine = mStateMachineReference.get();
if (currentStateMachine != null) {
currentStateMachine.receiveEvent(ev);
}
} catch (IOException e) {
Log.e(TAG, "I/O exception when handling PUT request", e);
return ResponseCodes.OBEX_HTTP_INTERNAL_ERROR;
}
return ResponseCodes.OBEX_HTTP_OK;
}
@Override
public int onAbort(final HeaderSet request, HeaderSet reply) {
if (VDBG) {
Log.v(TAG, "onAbort");
}
return ResponseCodes.OBEX_HTTP_NOT_IMPLEMENTED;
}
@Override
public int onSetPath(final HeaderSet request, HeaderSet reply, final boolean backup,
final boolean create) {
if (VDBG) {
Log.v(TAG, "onSetPath");
}
return ResponseCodes.OBEX_HTTP_BAD_REQUEST;
}
@Override
public void onClose() {
if (VDBG) {
Log.v(TAG, "onClose");
}
}
}
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