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Commit 34524f06 authored by Robert Greenwalt's avatar Robert Greenwalt
Browse files

Add javadoc for NetworkRequest. 

Also moved the requestId serial number out of this public class into CS.

Had to leave NetworkRequest hidden for now because the docs refer to things still hidden
in ConnectivityManager.

Change-Id: I14d1fe52d992adf5e4dc197b8f5433e40b0adfe6
parent 2631da82

core/java/android/net/NetworkRequest.java

+14 −19
Original line number Diff line number Diff line
@@ -22,11 +22,19 @@ import android.os.Parcelable; 
import java.util.concurrent.atomic.AtomicInteger;



/**

 * Defines a request for a network, made by calling {@link ConnectivityManager.requestNetwork}.

 *

 * This token records the {@link NetworkCapabilities} used to make the request and identifies

 * the request.  It should be used to release the request via

 * {@link ConnectivityManager.releaseNetworkRequest} when the network is no longer desired.

 * @hide

 */

public class NetworkRequest implements Parcelable {

    /**

     * The NetworkCapabilities that define this request

     * The {@link NetworkCapabilities} that define this request.  This should not be modified.

     * The networkCapabilities of the request are set when

     * {@link ConnectivityManager.requestNetwork} is called and the value is presented here

     * as a convenient reminder of what was requested.

     */

    public final NetworkCapabilities networkCapabilities;
@@ -34,7 +42,7 @@ public class NetworkRequest implements Parcelable { 
     * Identifies the request.  NetworkRequests should only be constructed by

     * the Framework and given out to applications as tokens to be used to identify

     * the request.

     * TODO - make sure this input is checked whenever a NR is passed in a public API

     * @hide

     */

    public final int requestId;
@@ -45,31 +53,18 @@ public class NetworkRequest implements Parcelable { 
     */

    public final boolean needsBroadcasts;



    private static final AtomicInteger sNextRequestId = new AtomicInteger(1);



    /**

     * @hide

     */

    public NetworkRequest(NetworkCapabilities nc) {

        this(nc, false, sNextRequestId.getAndIncrement());

    }



    /**

     * @hide

     */

    public NetworkRequest(NetworkCapabilities nc, boolean needsBroadcasts) {

        this(nc, needsBroadcasts, sNextRequestId.getAndIncrement());

    }



    /**

     * @hide

     */

    private NetworkRequest(NetworkCapabilities nc, boolean needsBroadcasts, int rId) {

    public NetworkRequest(NetworkCapabilities nc, boolean needsBroadcasts, int rId) {

        requestId = rId;

        networkCapabilities = nc;

        this.needsBroadcasts = needsBroadcasts;

    }



    /**

     * @hide

     */

    public NetworkRequest(NetworkRequest that) {

        networkCapabilities = new NetworkCapabilities(that.networkCapabilities);

        requestId = that.requestId;

services/core/java/com/android/server/ConnectivityService.java

+11 −3
Original line number Diff line number Diff line
@@ -507,10 +507,14 @@ public class ConnectivityService extends IConnectivityManager.Stub { 


    TelephonyManager mTelephonyManager;



    // sequence number for Networks

    private final static int MIN_NET_ID = 10; // some reserved marks

    private final static int MAX_NET_ID = 65535;

    private int mNextNetId = MIN_NET_ID;



    // sequence number of NetworkRequests

    private int mNextNetworkRequestId = 1;



    public ConnectivityService(Context context, INetworkManagementService netd,

            INetworkStatsService statsService, INetworkPolicyManager policyManager) {

        // Currently, omitting a NetworkFactory will create one internally
@@ -526,7 +530,7 @@ public class ConnectivityService extends IConnectivityManager.Stub { 
        NetworkCapabilities netCap = new NetworkCapabilities();

        netCap.addNetworkCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);

        netCap.addNetworkCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED);

        mDefaultRequest = new NetworkRequest(netCap, true);

        mDefaultRequest = new NetworkRequest(netCap, true, nextNetworkRequestId());

        NetworkRequestInfo nri = new NetworkRequestInfo(null, mDefaultRequest, new Binder(),

                NetworkRequestInfo.REQUEST);

        mNetworkRequests.put(mDefaultRequest, nri);
@@ -773,6 +777,10 @@ public class ConnectivityService extends IConnectivityManager.Stub { 
        mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);

    }



    private synchronized int nextNetworkRequestId() {

        return mNextNetworkRequestId++;

    }



    private synchronized int nextNetId() {

        int netId = mNextNetId;

        if (++mNextNetId > MAX_NET_ID) mNextNetId = MIN_NET_ID;
@@ -5271,7 +5279,7 @@ public class ConnectivityService extends IConnectivityManager.Stub { 
            throw new IllegalArgumentException("Bad timeout specified");

        }

        NetworkRequest networkRequest = new NetworkRequest(new NetworkCapabilities(

                networkCapabilities));

                networkCapabilities), false, nextNetworkRequestId());

        if (DBG) log("requestNetwork for " + networkRequest);

        NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder,

                NetworkRequestInfo.REQUEST);
@@ -5297,7 +5305,7 @@ public class ConnectivityService extends IConnectivityManager.Stub { 
        enforceAccessPermission();



        NetworkRequest networkRequest = new NetworkRequest(new NetworkCapabilities(

                networkCapabilities));

                networkCapabilities), false, nextNetworkRequestId());

        if (DBG) log("listenForNetwork for " + networkRequest);

        NetworkRequestInfo nri = new NetworkRequestInfo(messenger, networkRequest, binder,

                NetworkRequestInfo.LISTEN);