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am d86a532c: Merge "Fix handling of lost device" into jb-mr1-dev

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* commit 'd86a532c5271dfbfe7378ddeb6700fafd92ecbcc':
  Fix handling of lost device
This commit is contained in:
Irfan Sheriff
2012-10-15 10:25:23 -07:00
committed by Android Git Automerger
parent 6133e92e6b d86a532c52
commit 7e08477ed1
2 changed files with 32 additions and 4 deletions
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9
wifi/java/android/net/wifi/p2p/WifiP2pDeviceList.java
View File

@@ -114,6 +114,15 @@ public class WifiP2pDeviceList implements Parcelable {
return mDevices.remove(device.deviceAddress) != null;
}
/** Returns true if any device the list was removed @hide */
public boolean remove(WifiP2pDeviceList list) {
boolean ret = false;
for (WifiP2pDevice d : list.mDevices.values()) {
if (remove(d)) ret = true;
}
return ret;
}
/** Get the list of devices */
public Collection<WifiP2pDevice> getDeviceList() {
return Collections.unmodifiableCollection(mDevices.values());

27
wifi/java/android/net/wifi/p2p/WifiP2pService.java
View File

@@ -355,6 +355,15 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
private WifiMonitor mWifiMonitor = new WifiMonitor(this, mWifiNative);
private final WifiP2pDeviceList mPeers = new WifiP2pDeviceList();
/* During a connection, supplicant can tell us that a device was lost. From a supplicant's
* perspective, the discovery stops during connection and it purges device since it does
* not get latest updates about the device without being in discovery state.
*
* From the framework perspective, the device is still there since we are connecting or
* connected to it. so we keep these devices in a seperate list, so that they are removed
* when connection is cancelled or lost
*/
private final WifiP2pDeviceList mPeersLostDuringConnection = new WifiP2pDeviceList();
private final WifiP2pGroupList mGroups = new WifiP2pGroupList(null,
new GroupDeleteListener() {
@Override
@@ -746,6 +755,10 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
public boolean processMessage(Message message) {
if (DBG) logd(getName() + message.toString());
switch (message.what) {
case WifiMonitor.SUP_DISCONNECTION_EVENT:
loge("Unexpected loss of p2p socket connection");
transitionTo(mP2pDisabledState);
break;
case WifiStateMachine.CMD_ENABLE_P2P:
//Nothing to do
break;
@@ -1066,7 +1079,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
break;
}
// Do nothing
if (DBG) logd("Retain connecting device " + device);
if (DBG) logd("Add device to lost list " + device);
mPeersLostDuringConnection.update(device);
break;
case WifiP2pManager.DISCOVER_PEERS:
/* Discovery will break negotiation */
@@ -1401,7 +1415,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
device = (WifiP2pDevice) message.obj;
//Device loss for a connected device indicates it is not in discovery any more
if (mGroup.contains(device)) {
if (DBG) logd("Lost " + device +" , do nothing");
if (DBG) logd("Add device to lost list " + device);
mPeersLostDuringConnection.update(device);
return HANDLED;
}
// Do the regular device lost handling
@@ -1853,7 +1868,7 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
private int connect(WifiP2pConfig config, boolean tryInvocation) {
if (config == null) {
loge("invalid argument.");
loge("config is null");
return CONNECT_FAILURE;
}
@@ -1863,7 +1878,7 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
WifiP2pDevice dev = mPeers.get(config.deviceAddress);
if (dev == null) {
loge("target device is not found.");
loge("target device not found " + config.deviceAddress);
return CONNECT_FAILURE;
}
@@ -2142,6 +2157,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
/* After cancelling group formation, new connections on existing peers can fail
* at supplicant. Flush and restart discovery */
mWifiNative.p2pFlush();
if (mPeers.remove(mPeersLostDuringConnection)) sendP2pPeersChangedBroadcast();
mPeersLostDuringConnection.clear();
mServiceDiscReqId = null;
sendMessage(WifiP2pManager.DISCOVER_PEERS);
}
@@ -2174,6 +2191,8 @@ public class WifiP2pService extends IWifiP2pManager.Stub {
mGroup = null;
mWifiNative.p2pFlush();
if (mPeers.remove(mPeersLostDuringConnection)) sendP2pPeersChangedBroadcast();
mPeersLostDuringConnection.clear();
mServiceDiscReqId = null;
if (changed) sendP2pPeersChangedBroadcast();
}