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Bug #4828

Updated by Davide Pesavento almost 6 years ago

Turning off NFD inside NFD-android and back on again while connected to a device through Wifi Direct will prevent reconnecting to that device unless NFD-android is force stopped and restarted. 

 ``` 
 **Error when turning off of NFD while WifiDirect is connected:** 

 ``` 
 02-01 14:21:19.239 6705-6705/net.named_data.nfd.service.NfdService I/nfd.NfdWrapper: Stopping NFD... 
 02-01 14:21:19.240 6705-6705/net.named_data.nfd.service.NfdService D/net.named_data.nfd.service.NfdService: serviceStopNfd() 
 02-01 14:21:19.243 1279-1279/? I/wpa_supplicant: p2p-p2p0-12: CTRL-EVENT-DISCONNECTED bssid=f8:f1:b6:ff:72:5c reason=3 locally_generated=1 
 02-01 14:21:19.244 1279-1279/? I/wpa_supplicant: P2P-GROUP-REMOVED p2p-p2p0-12 client reason=REQUESTED 
 02-01 14:21:19.270 6686-6686/net.named_data.nfd E/NDNController: Unable to remove self from WifiP2p group, reason: Framework is busy. 
 02-01 14:21:19.270 6686-6686/net.named_data.nfd D/NDNController: Successfully removed self from WifiP2p group. 
 02-01 14:21:19.270 6686-6686/net.named_data.nfd D/WDBRService: onDestroy() 
 02-01 14:21:19.270 6686-6686/net.named_data.nfd D/WDBRService: unregisterReceiver() 
 02-01 14:21:19.331 6686-6686/net.named_data.nfd D/NFDService: ClientHandler: NFD is Stopped. 
 02-01 14:21:19.386 219-845/? D/CommandListener: Clearing all IP addresses on p2p-p2p0-12 
 02-01 14:21:19.417 1279-1279/? I/wpa_supplicant: nl80211: deinit ifname=p2p-p2p0-12 disabled_11b_rates=0 
 02-01 14:21:19.431 787-938/system_process D/NetUtils: android_net_utils_resetConnections in env=0x9ef39980 clazz=0x9c7ff3fc iface=p2p-p2p0-12 mask=0x3 
 02-01 14:21:19.445 6705-6725/net.named_data.nfd.service.NfdService I/nfd.NfdWrapper: NFD stopped 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err: com.intel.jndn.management.ManagementException: recvfrom failed: ECONNRESET (Connection reset by peer) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.Nfdc.unregister(Nfdc.java:368) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.Nfdc.unregister(Nfdc.java:391) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at net.named_data.nfd.utils.NfdcHelper.ribUnregisterPrefix(NfdcHelper.java:118) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at net.named_data.nfd.wifidirect.runnable.RibUnregisterPrefixRunnable.run(RibUnregisterPrefixRunnable.java:46) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.util.concurrent.FutureTask.run(FutureTask.java:237) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err:       at java.lang.Thread.run(Thread.java:818) 
 02-01 14:21:19.463 6686-6761/net.named_data.nfd W/System.err: Caused by: java.net.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.IoBridge.maybeThrowAfterRecvfrom(IoBridge.java:588) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.IoBridge.recvfrom(IoBridge.java:564) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at java.nio.SocketChannelImpl.readImpl(SocketChannelImpl.java:342) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at java.nio.SocketChannelImpl.read(SocketChannelImpl.java:304) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at net.named_data.jndn.transport.TcpTransport.processEvents(TcpTransport.java:187) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at net.named_data.jndn.Node.processEvents(Node.java:365) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at net.named_data.jndn.Face.processEvents(Face.java:1361) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.helpers.FetchHelper.getData(FetchHelper.java:158) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.helpers.FetchHelper.getData(FetchHelper.java:85) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.Nfdc.sendCommand(Nfdc.java:541) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at com.intel.jndn.management.Nfdc.unregister(Nfdc.java:366) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:  	 ... 9 more 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err: Caused by: android.system.ErrnoException: recvfrom failed: ECONNRESET (Connection reset by peer) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.Posix.recvfromBytes(Native Method) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.Posix.recvfrom(Posix.java:181) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.BlockGuardOs.recvfrom(BlockGuardOs.java:245) 
 02-01 14:21:19.464 6686-6761/net.named_data.nfd W/System.err:       at libcore.io.IoBridge.recvfrom(IoBridge.java:561) 
 02-01 14:21:19.465 6686-6761/net.named_data.nfd W/System.err:  	 ... 18 more 
 02-01 14:21:19.465 6686-6761/net.named_data.nfd D/NDNController: before cleaning up connected peers, the size of ipPeerMapOfConnectedPeers is 1 
 02-01 14:21:19.465 6686-6761/net.named_data.nfd D/NDNController: Cleaning up face towards peer: 192.168.49.1 
 02-01 14:21:19.467 6686-6741/net.named_data.nfd D/NFDService: Error communicating with NFD (recvfrom failed: ECONNRESET (Connection reset by peer)) 
 02-01 14:21:19.524 6686-6761/net.named_data.nfd E/NDNController: Unable to destroy face to: 192.168.49.1 
 ``` 

 ``` 
 **Error when trying to reconnect to device through Wifi Direct after turning NFD off and back on in the app:** 

 ``` 
 02-01 16:57:19.565 7418-7418/? I/dhcpcd: p2p-p2p0-19: broadcasting for a lease 
 02-01 16:57:19.628 7418-7418/? I/dhcpcd: p2p-p2p0-19: offered 192.168.49.44 from 192.168.49.1 
 02-01 16:57:19.693 7418-7418/? I/dhcpcd: p2p-p2p0-19: acknowledged 192.168.49.44 from 192.168.49.1 
 02-01 16:57:19.731 7418-7418/? I/dhcpcd: p2p-p2p0-19: leased 192.168.49.44 for 3600 seconds 
 02-01 16:57:19.896 7212-7280/net.named_data.nfd D/ProbeRunnable: start to probe 
 02-01 16:57:20.134 7212-7212/net.named_data.nfd D/WDBroadcastReceiver: p2pconnection changed check 
 02-01 16:57:20.187 7212-7212/net.named_data.nfd D/NDNController: connection info is available!! 
 02-01 16:57:20.211 7212-7212/net.named_data.nfd D/NDNController: My WiFi Direct IP address is: 192.168.49.44 
 02-01 16:57:20.211 7212-7212/net.named_data.nfd D/NDNController: registerOwnLocalhop() starts to work 
 02-01 16:57:20.214 7212-7280/net.named_data.nfd D/RegisterPrefixRunnable: try to register local prefix/localhop/wifidirect/192.168.49.44 
 02-01 16:57:20.215 7212-7212/net.named_data.nfd D/NDNController: registerOwnLocalhop() called... 
 02-01 16:57:20.215 7212-7212/net.named_data.nfd D/NDNController: I am NOT the group owner. 
 02-01 16:57:20.230 7212-7281/net.named_data.nfd D/FaceCreateRunnable: -------- Inside face create runnable -------- 
 02-01 16:57:20.281 7212-7281/net.named_data.nfd E/FaceCreateRunnable: sendto failed: EPIPE (Broken pipe) 
 02-01 16:57:20.281 7212-7281/net.named_data.nfd D/FaceCreateRunnable: ---------- END face create runnable ----------- 
 ```

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