commit 78334a91237dee8e8dba16f2dd06e1c17fb2b042 Author: Hashik Donthineni HashikDonthineni@gmail.com Date: Tue Jun 9 14:42:36 2020 +0530

Added 'fetch offer' to fetch offer from broker --- .../torproject/snowflake/MyPersistentService.java | 42 ++++++++++++++++++++++ .../snowflake/constants/BrokerConstants.java | 11 ++++++ 2 files changed, 53 insertions(+)

diff --git a/app/src/main/java/org/torproject/snowflake/MyPersistentService.java b/app/src/main/java/org/torproject/snowflake/MyPersistentService.java index 4484a72..8a045a6 100644 --- a/app/src/main/java/org/torproject/snowflake/MyPersistentService.java +++ b/app/src/main/java/org/torproject/snowflake/MyPersistentService.java @@ -12,13 +12,18 @@ import android.util.Log;

import androidx.annotation.Nullable;

+import org.json.JSONException; +import org.torproject.snowflake.constants.BrokerConstants; import org.torproject.snowflake.constants.ForegroundServiceConstants; import org.torproject.snowflake.interfaces.PeerConnectionObserverCallback; import org.torproject.snowflake.pojo.OfferRequestBody; import org.torproject.snowflake.pojo.SDPOfferResponse; +import org.torproject.snowflake.services.GetOfferService; +import org.torproject.snowflake.services.RetroServiceGenerator; import org.webrtc.DataChannel; import org.webrtc.PeerConnection; import org.webrtc.PeerConnectionFactory; +import org.webrtc.SessionDescription;

import java.nio.ByteBuffer; import java.nio.charset.Charset; @@ -27,6 +32,7 @@ import java.util.List;

import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers; import io.reactivex.rxjava3.core.Observable; +import io.reactivex.rxjava3.disposables.Disposable; import io.reactivex.rxjava3.schedulers.Schedulers;

/** @@ -41,6 +47,8 @@ public class MyPersistentService extends Service { private SharedPreferences sharedPreferences; private boolean isServiceStarted; private PowerManager.WakeLock wakeLock; + private Disposable serviceDisposable; +

@Nullable @Override @@ -258,4 +266,38 @@ public class MyPersistentService extends Service { return factory.createPeerConnection(rtcConfiguration, pcObserver); } /////////////// Network Calls //////////////////////// + /** + * Sending post request to get offer from the broker. + */ + private void fetchOffer() { + Log.d(TAG, "fetchOffer: Fetching offer from broker."); + ///Retrofit call + final GetOfferService getOfferService = RetroServiceGenerator.createService(GetOfferService.class); + Observable<SDPOfferResponse> offer = getOfferService.getOffer(new OfferRequestBody("555")); + serviceDisposable = offer.subscribeOn(Schedulers.io()) + .observeOn(AndroidSchedulers.mainThread()).subscribe(this::offerRequestSuccess, this::offerRequestFailure); + } + + /** + * Fetching offer is a success. + * @param sdpOfferResponse + */ + public void offerRequestSuccess(SDPOfferResponse sdpOfferResponse) { + if (sdpOfferResponse.getStatus().equals(BrokerConstants.CLIENT_MATCH)) { + Log.d(TAG, "requestSuccess: CLIENT MATCH"); + //TODO:Serialize SDP, SetRemote Description, Send Answer. + + } else { + Log.d(TAG, "requestSuccess: NO CLIENT MATCH"); +// if (isServiceStarted) + //fetchOffer(); //Sending request for offer again. + } + } + + public void offerRequestFailure(Throwable t){ + Log.d(TAG, "requestFailure: " + t.getMessage()); + createPersistentNotification(true,"Failed getting offer. Retrying."); + //TODO:Set a time out to resending offer. + fetchOffer(); //Sending request for offer again. + } } diff --git a/app/src/main/java/org/torproject/snowflake/constants/BrokerConstants.java b/app/src/main/java/org/torproject/snowflake/constants/BrokerConstants.java new file mode 100644 index 0000000..11a7bcf --- /dev/null +++ b/app/src/main/java/org/torproject/snowflake/constants/BrokerConstants.java @@ -0,0 +1,11 @@ +package org.torproject.snowflake.constants; + +public class BrokerConstants { + //Getting Offer + public static final String CLIENT_MATCH = "client match"; + public static final String CLIENT_NO_MATCH = "no match"; + + //Sending Answer + public static final String SENDING_SUCCESS = "success"; + public static final String CLIENT_GONE = "client gone"; +}