diff options
| author | Vinit Deshapnde <vinitd@google.com> | 2013-12-06 15:12:41 -0800 |
|---|---|---|
| committer | Vinit Deshapnde <vinitd@google.com> | 2013-12-11 16:06:49 -0800 |
| commit | ffadfb9ffdced62db215319d3edc7717802088fb (patch) | |
| tree | b33f1b8d1d9cba0c9de8bed3c18859a7e72d8d5a /wifi/java/android/net/wifi/p2p | |
| parent | f7a38a09ff4d7b3cf7f2e975e18562335e0cbcf3 (diff) | |
| download | frameworks_base-ffadfb9ffdced62db215319d3edc7717802088fb.zip frameworks_base-ffadfb9ffdced62db215319d3edc7717802088fb.tar.gz frameworks_base-ffadfb9ffdced62db215319d3edc7717802088fb.tar.bz2 | |
Move Wifi/P2p service components under services
Some methods need to be public, since frameworks/base complies before
frameworks/base/services; and services takes build dependency on base.
Similar issue exists with WifiEnterpriseConfig constants.
Bug: 9907308
Change-Id: Ied0e3dee0b25c939067dbc66867a9814b3b3b68e
Diffstat (limited to 'wifi/java/android/net/wifi/p2p')
5 files changed, 24 insertions, 2963 deletions
diff --git a/wifi/java/android/net/wifi/p2p/WifiP2pConfig.java b/wifi/java/android/net/wifi/p2p/WifiP2pConfig.java index 482d9cb..b019fd7 100644 --- a/wifi/java/android/net/wifi/p2p/WifiP2pConfig.java +++ b/wifi/java/android/net/wifi/p2p/WifiP2pConfig.java @@ -60,7 +60,8 @@ public class WifiP2pConfig implements Parcelable { wps.setup = WpsInfo.PBC; } - void invalidate() { + /** @hide */ + public void invalidate() { deviceAddress = ""; } diff --git a/wifi/java/android/net/wifi/p2p/WifiP2pDevice.java b/wifi/java/android/net/wifi/p2p/WifiP2pDevice.java index 398d987..a0cb035 100644 --- a/wifi/java/android/net/wifi/p2p/WifiP2pDevice.java +++ b/wifi/java/android/net/wifi/p2p/WifiP2pDevice.java @@ -274,7 +274,7 @@ public class WifiP2pDevice implements Parcelable { } /** Updates details obtained from supplicant @hide */ - void updateSupplicantDetails(WifiP2pDevice device) { + public void updateSupplicantDetails(WifiP2pDevice device) { if (device == null) { throw new IllegalArgumentException("device is null"); } diff --git a/wifi/java/android/net/wifi/p2p/WifiP2pDeviceList.java b/wifi/java/android/net/wifi/p2p/WifiP2pDeviceList.java index fbcf09b..3d0bb3d 100644 --- a/wifi/java/android/net/wifi/p2p/WifiP2pDeviceList.java +++ b/wifi/java/android/net/wifi/p2p/WifiP2pDeviceList.java @@ -89,7 +89,7 @@ public class WifiP2pDeviceList implements Parcelable { } /** Only updates details fetched from the supplicant @hide */ - void updateSupplicantDetails(WifiP2pDevice device) { + public void updateSupplicantDetails(WifiP2pDevice device) { validateDevice(device); WifiP2pDevice d = mDevices.get(device.deviceAddress); if (d != null) { @@ -107,7 +107,7 @@ public class WifiP2pDeviceList implements Parcelable { } /** @hide */ - void updateGroupCapability(String deviceAddress, int groupCapab) { + public void updateGroupCapability(String deviceAddress, int groupCapab) { validateDeviceAddress(deviceAddress); WifiP2pDevice d = mDevices.get(deviceAddress); if (d != null) { @@ -116,7 +116,7 @@ public class WifiP2pDeviceList implements Parcelable { } /** @hide */ - void updateStatus(String deviceAddress, int status) { + public void updateStatus(String deviceAddress, int status) { validateDeviceAddress(deviceAddress); WifiP2pDevice d = mDevices.get(deviceAddress); if (d != null) { diff --git a/wifi/java/android/net/wifi/p2p/WifiP2pGroupList.java b/wifi/java/android/net/wifi/p2p/WifiP2pGroupList.java index 98f0972..64bb00b 100644 --- a/wifi/java/android/net/wifi/p2p/WifiP2pGroupList.java +++ b/wifi/java/android/net/wifi/p2p/WifiP2pGroupList.java @@ -42,11 +42,13 @@ public class WifiP2pGroupList implements Parcelable { public void onDeleteGroup(int netId); } - WifiP2pGroupList() { + /** @hide */ + public WifiP2pGroupList() { this(null, null); } - WifiP2pGroupList(WifiP2pGroupList source, GroupDeleteListener listener) { + /** @hide */ + public WifiP2pGroupList(WifiP2pGroupList source, GroupDeleteListener listener) { mListener = listener; mGroups = new LruCache<Integer, WifiP2pGroup>(CREDENTIAL_MAX_NUM) { @Override @@ -78,8 +80,9 @@ public class WifiP2pGroupList implements Parcelable { * Add the specified group to this group list. * * @param group + * @hide */ - void add(WifiP2pGroup group) { + public void add(WifiP2pGroup group) { mGroups.put(group.getNetworkId(), group); } @@ -87,8 +90,9 @@ public class WifiP2pGroupList implements Parcelable { * Remove the group with the specified network id from this group list. * * @param netId + * @hide */ - void remove(int netId) { + public void remove(int netId) { mGroups.remove(netId); } @@ -103,8 +107,9 @@ public class WifiP2pGroupList implements Parcelable { /** * Clear the group. + * @hide */ - boolean clear() { + public boolean clear() { if (mGroups.size() == 0) return false; isClearCalled = true; mGroups.evictAll(); @@ -120,8 +125,9 @@ public class WifiP2pGroupList implements Parcelable { * * @param deviceAddress p2p device address. * @return the network id. if not found, return -1. + * @hide */ - int getNetworkId(String deviceAddress) { + public int getNetworkId(String deviceAddress) { if (deviceAddress == null) return -1; final Collection<WifiP2pGroup> groups = mGroups.snapshot().values(); @@ -142,8 +148,9 @@ public class WifiP2pGroupList implements Parcelable { * @param deviceAddress p2p device address. * @param ssid ssid. * @return the network id. if not found, return -1. + * @hide */ - int getNetworkId(String deviceAddress, String ssid) { + public int getNetworkId(String deviceAddress, String ssid) { if (deviceAddress == null || ssid == null) { return -1; } @@ -166,8 +173,9 @@ public class WifiP2pGroupList implements Parcelable { * * @param netId network id. * @return the address. if not found, return null. + * @hide */ - String getOwnerAddr(int netId) { + public String getOwnerAddr(int netId) { WifiP2pGroup grp = mGroups.get(netId); if (grp != null) { return grp.getOwner().deviceAddress; @@ -182,8 +190,9 @@ public class WifiP2pGroupList implements Parcelable { * * @param netId network id. * @return true if the specified network id is present in this group list. + * @hide */ - boolean contains(int netId) { + public boolean contains(int netId) { final Collection<WifiP2pGroup> groups = mGroups.snapshot().values(); for (WifiP2pGroup grp: groups) { if (netId == grp.getNetworkId()) { diff --git a/wifi/java/android/net/wifi/p2p/WifiP2pService.java b/wifi/java/android/net/wifi/p2p/WifiP2pService.java deleted file mode 100644 index 7803f7d..0000000 --- a/wifi/java/android/net/wifi/p2p/WifiP2pService.java +++ /dev/null @@ -1,2949 +0,0 @@ -/* - * Copyright (C) 2011 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 android.net.wifi.p2p; - -import android.app.AlertDialog; -import android.app.Notification; -import android.content.Context; -import android.content.DialogInterface; -import android.content.DialogInterface.OnClickListener; -import android.content.Intent; -import android.content.pm.PackageManager; -import android.content.res.Configuration; -import android.content.res.Resources; -import android.net.ConnectivityManager; -import android.net.DhcpResults; -import android.net.DhcpStateMachine; -import android.net.InterfaceConfiguration; -import android.net.LinkAddress; -import android.net.NetworkInfo; -import android.net.NetworkUtils; -import android.net.wifi.WifiMonitor; -import android.net.wifi.WifiNative; -import android.net.wifi.WifiStateMachine; -import android.net.wifi.WpsInfo; -import android.net.wifi.p2p.WifiP2pGroupList.GroupDeleteListener; -import android.net.wifi.p2p.nsd.WifiP2pServiceInfo; -import android.net.wifi.p2p.nsd.WifiP2pServiceRequest; -import android.net.wifi.p2p.nsd.WifiP2pServiceResponse; -import android.os.Binder; -import android.os.Bundle; -import android.os.IBinder; -import android.os.INetworkManagementService; -import android.os.Message; -import android.os.Messenger; -import android.os.RemoteException; -import android.os.ServiceManager; -import android.os.UserHandle; -import android.provider.Settings; -import android.text.TextUtils; -import android.util.Slog; -import android.util.SparseArray; -import android.view.KeyEvent; -import android.view.LayoutInflater; -import android.view.View; -import android.view.ViewGroup; -import android.view.WindowManager; -import android.widget.EditText; -import android.widget.TextView; - -import com.android.internal.R; -import com.android.internal.util.AsyncChannel; -import com.android.internal.util.Protocol; -import com.android.internal.util.State; -import com.android.internal.util.StateMachine; - -import java.io.FileDescriptor; -import java.io.PrintWriter; -import java.net.InetAddress; -import java.util.ArrayList; -import java.util.Collection; -import java.util.HashMap; -import java.util.List; -import java.util.Locale; - - -/** - * WifiP2pService includes a state machine to perform Wi-Fi p2p operations. Applications - * communicate with this service to issue device discovery and connectivity requests - * through the WifiP2pManager interface. The state machine communicates with the wifi - * driver through wpa_supplicant and handles the event responses through WifiMonitor. - * - * Note that the term Wifi when used without a p2p suffix refers to the client mode - * of Wifi operation - * @hide - */ -public class WifiP2pService extends IWifiP2pManager.Stub { - private static final String TAG = "WifiP2pService"; - private static final boolean DBG = false; - private static final String NETWORKTYPE = "WIFI_P2P"; - - private Context mContext; - private String mInterface; - private Notification mNotification; - - INetworkManagementService mNwService; - private DhcpStateMachine mDhcpStateMachine; - - private P2pStateMachine mP2pStateMachine; - private AsyncChannel mReplyChannel = new AsyncChannel(); - private AsyncChannel mWifiChannel; - - private static final Boolean JOIN_GROUP = true; - private static final Boolean FORM_GROUP = false; - - private static final Boolean RELOAD = true; - private static final Boolean NO_RELOAD = false; - - /* Two minutes comes from the wpa_supplicant setting */ - private static final int GROUP_CREATING_WAIT_TIME_MS = 120 * 1000; - private static int mGroupCreatingTimeoutIndex = 0; - - private static final int DISABLE_P2P_WAIT_TIME_MS = 5 * 1000; - private static int mDisableP2pTimeoutIndex = 0; - - /* Set a two minute discover timeout to avoid STA scans from being blocked */ - private static final int DISCOVER_TIMEOUT_S = 120; - - /* Idle time after a peer is gone when the group is torn down */ - private static final int GROUP_IDLE_TIME_S = 10; - - private static final int BASE = Protocol.BASE_WIFI_P2P_SERVICE; - - /* Delayed message to timeout group creation */ - public static final int GROUP_CREATING_TIMED_OUT = BASE + 1; - - /* User accepted a peer request */ - private static final int PEER_CONNECTION_USER_ACCEPT = BASE + 2; - /* User rejected a peer request */ - private static final int PEER_CONNECTION_USER_REJECT = BASE + 3; - /* User wants to disconnect wifi in favour of p2p */ - private static final int DROP_WIFI_USER_ACCEPT = BASE + 4; - /* User wants to keep his wifi connection and drop p2p */ - private static final int DROP_WIFI_USER_REJECT = BASE + 5; - /* Delayed message to timeout p2p disable */ - public static final int DISABLE_P2P_TIMED_OUT = BASE + 6; - - - /* Commands to the WifiStateMachine */ - public static final int P2P_CONNECTION_CHANGED = BASE + 11; - - /* These commands are used to temporarily disconnect wifi when we detect - * a frequency conflict which would make it impossible to have with p2p - * and wifi active at the same time. - * - * If the user chooses to disable wifi temporarily, we keep wifi disconnected - * until the p2p connection is done and terminated at which point we will - * bring back wifi up - * - * DISCONNECT_WIFI_REQUEST - * msg.arg1 = 1 enables temporary disconnect and 0 disables it. - */ - public static final int DISCONNECT_WIFI_REQUEST = BASE + 12; - public static final int DISCONNECT_WIFI_RESPONSE = BASE + 13; - - public static final int SET_MIRACAST_MODE = BASE + 14; - - // During dhcp (and perhaps other times) we can't afford to drop packets - // but Discovery will switch our channel enough we will. - // msg.arg1 = ENABLED for blocking, DISABLED for resumed. - // msg.arg2 = msg to send when blocked - // msg.obj = StateMachine to send to when blocked - public static final int BLOCK_DISCOVERY = BASE + 15; - - // set country code - public static final int SET_COUNTRY_CODE = BASE + 16; - - public static final int ENABLED = 1; - public static final int DISABLED = 0; - - private final boolean mP2pSupported; - - private WifiP2pDevice mThisDevice = new WifiP2pDevice(); - - /* When a group has been explicitly created by an app, we persist the group - * even after all clients have been disconnected until an explicit remove - * is invoked */ - private boolean mAutonomousGroup; - - /* Invitation to join an existing p2p group */ - private boolean mJoinExistingGroup; - - /* Track whether we are in p2p discovery. This is used to avoid sending duplicate - * broadcasts - */ - private boolean mDiscoveryStarted; - /* Track whether servcice/peer discovery is blocked in favor of other wifi actions - * (notably dhcp) - */ - private boolean mDiscoveryBlocked; - - // Supplicant doesn't like setting the same country code multiple times (it may drop - // current connected network), so we save the country code here to avoid redundency - private String mLastSetCountryCode; - - /* - * remember if we were in a scan when it had to be stopped - */ - private boolean mDiscoveryPostponed = false; - - private NetworkInfo mNetworkInfo; - - private boolean mTempoarilyDisconnectedWifi = false; - - /* The transaction Id of service discovery request */ - private byte mServiceTransactionId = 0; - - /* Service discovery request ID of wpa_supplicant. - * null means it's not set yet. */ - private String mServiceDiscReqId; - - /* clients(application) information list. */ - private HashMap<Messenger, ClientInfo> mClientInfoList = new HashMap<Messenger, ClientInfo>(); - - /* Is chosen as a unique range to avoid conflict with - the range defined in Tethering.java */ - private static final String[] DHCP_RANGE = {"192.168.49.2", "192.168.49.254"}; - private static final String SERVER_ADDRESS = "192.168.49.1"; - - /** - * Error code definition. - * see the Table.8 in the WiFi Direct specification for the detail. - */ - public static enum P2pStatus { - /* Success. */ - SUCCESS, - - /* The target device is currently unavailable. */ - INFORMATION_IS_CURRENTLY_UNAVAILABLE, - - /* Protocol error. */ - INCOMPATIBLE_PARAMETERS, - - /* The target device reached the limit of the number of the connectable device. - * For example, device limit or group limit is set. */ - LIMIT_REACHED, - - /* Protocol error. */ - INVALID_PARAMETER, - - /* Unable to accommodate request. */ - UNABLE_TO_ACCOMMODATE_REQUEST, - - /* Previous protocol error, or disruptive behavior. */ - PREVIOUS_PROTOCOL_ERROR, - - /* There is no common channels the both devices can use. */ - NO_COMMON_CHANNEL, - - /* Unknown p2p group. For example, Device A tries to invoke the previous persistent group, - * but device B has removed the specified credential already. */ - UNKNOWN_P2P_GROUP, - - /* Both p2p devices indicated an intent of 15 in group owner negotiation. */ - BOTH_GO_INTENT_15, - - /* Incompatible provisioning method. */ - INCOMPATIBLE_PROVISIONING_METHOD, - - /* Rejected by user */ - REJECTED_BY_USER, - - /* Unknown error */ - UNKNOWN; - - public static P2pStatus valueOf(int error) { - switch(error) { - case 0 : - return SUCCESS; - case 1: - return INFORMATION_IS_CURRENTLY_UNAVAILABLE; - case 2: - return INCOMPATIBLE_PARAMETERS; - case 3: - return LIMIT_REACHED; - case 4: - return INVALID_PARAMETER; - case 5: - return UNABLE_TO_ACCOMMODATE_REQUEST; - case 6: - return PREVIOUS_PROTOCOL_ERROR; - case 7: - return NO_COMMON_CHANNEL; - case 8: - return UNKNOWN_P2P_GROUP; - case 9: - return BOTH_GO_INTENT_15; - case 10: - return INCOMPATIBLE_PROVISIONING_METHOD; - case 11: - return REJECTED_BY_USER; - default: - return UNKNOWN; - } - } - } - - public WifiP2pService(Context context) { - mContext = context; - - //STOPSHIP: get this from native side - mInterface = "p2p0"; - mNetworkInfo = new NetworkInfo(ConnectivityManager.TYPE_WIFI_P2P, 0, NETWORKTYPE, ""); - - mP2pSupported = mContext.getPackageManager().hasSystemFeature( - PackageManager.FEATURE_WIFI_DIRECT); - - mThisDevice.primaryDeviceType = mContext.getResources().getString( - com.android.internal.R.string.config_wifi_p2p_device_type); - - mP2pStateMachine = new P2pStateMachine(TAG, mP2pSupported); - mP2pStateMachine.start(); - } - - public void connectivityServiceReady() { - IBinder b = ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE); - mNwService = INetworkManagementService.Stub.asInterface(b); - } - - private void enforceAccessPermission() { - mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_WIFI_STATE, - "WifiP2pService"); - } - - private void enforceChangePermission() { - mContext.enforceCallingOrSelfPermission(android.Manifest.permission.CHANGE_WIFI_STATE, - "WifiP2pService"); - } - - private void enforceConnectivityInternalPermission() { - mContext.enforceCallingOrSelfPermission( - android.Manifest.permission.CONNECTIVITY_INTERNAL, - "WifiP2pService"); - } - - /** - * Get a reference to handler. This is used by a client to establish - * an AsyncChannel communication with WifiP2pService - */ - public Messenger getMessenger() { - enforceAccessPermission(); - enforceChangePermission(); - return new Messenger(mP2pStateMachine.getHandler()); - } - - /** This is used to provide information to drivers to optimize performance depending - * on the current mode of operation. - * 0 - disabled - * 1 - source operation - * 2 - sink operation - * - * As an example, the driver could reduce the channel dwell time during scanning - * when acting as a source or sink to minimize impact on miracast. - */ - public void setMiracastMode(int mode) { - enforceConnectivityInternalPermission(); - mP2pStateMachine.sendMessage(SET_MIRACAST_MODE, mode); - } - - @Override - protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { - if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) - != PackageManager.PERMISSION_GRANTED) { - pw.println("Permission Denial: can't dump WifiP2pService from from pid=" - + Binder.getCallingPid() - + ", uid=" + Binder.getCallingUid()); - return; - } - mP2pStateMachine.dump(fd, pw, args); - pw.println("mAutonomousGroup " + mAutonomousGroup); - pw.println("mJoinExistingGroup " + mJoinExistingGroup); - pw.println("mDiscoveryStarted " + mDiscoveryStarted); - pw.println("mNetworkInfo " + mNetworkInfo); - pw.println("mTempoarilyDisconnectedWifi " + mTempoarilyDisconnectedWifi); - pw.println("mServiceDiscReqId " + mServiceDiscReqId); - pw.println(); - } - - - /** - * Handles interaction with WifiStateMachine - */ - private class P2pStateMachine extends StateMachine { - - private DefaultState mDefaultState = new DefaultState(); - private P2pNotSupportedState mP2pNotSupportedState = new P2pNotSupportedState(); - private P2pDisablingState mP2pDisablingState = new P2pDisablingState(); - private P2pDisabledState mP2pDisabledState = new P2pDisabledState(); - private P2pEnablingState mP2pEnablingState = new P2pEnablingState(); - private P2pEnabledState mP2pEnabledState = new P2pEnabledState(); - // Inactive is when p2p is enabled with no connectivity - private InactiveState mInactiveState = new InactiveState(); - private GroupCreatingState mGroupCreatingState = new GroupCreatingState(); - private UserAuthorizingInviteRequestState mUserAuthorizingInviteRequestState - = new UserAuthorizingInviteRequestState(); - private UserAuthorizingNegotiationRequestState mUserAuthorizingNegotiationRequestState - = new UserAuthorizingNegotiationRequestState(); - private ProvisionDiscoveryState mProvisionDiscoveryState = new ProvisionDiscoveryState(); - private GroupNegotiationState mGroupNegotiationState = new GroupNegotiationState(); - private FrequencyConflictState mFrequencyConflictState =new FrequencyConflictState(); - - private GroupCreatedState mGroupCreatedState = new GroupCreatedState(); - private UserAuthorizingJoinState mUserAuthorizingJoinState = new UserAuthorizingJoinState(); - private OngoingGroupRemovalState mOngoingGroupRemovalState = new OngoingGroupRemovalState(); - - private WifiNative mWifiNative = new WifiNative(mInterface); - 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 separate 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 - public void onDeleteGroup(int netId) { - if (DBG) logd("called onDeleteGroup() netId=" + netId); - mWifiNative.removeNetwork(netId); - mWifiNative.saveConfig(); - sendP2pPersistentGroupsChangedBroadcast(); - } - }); - private final WifiP2pInfo mWifiP2pInfo = new WifiP2pInfo(); - private WifiP2pGroup mGroup; - - // Saved WifiP2pConfig for an ongoing peer connection. This will never be null. - // The deviceAddress will be an empty string when the device is inactive - // or if it is connected without any ongoing join request - private WifiP2pConfig mSavedPeerConfig = new WifiP2pConfig(); - - // Saved WifiP2pGroup from invitation request - private WifiP2pGroup mSavedP2pGroup; - - P2pStateMachine(String name, boolean p2pSupported) { - super(name); - - addState(mDefaultState); - addState(mP2pNotSupportedState, mDefaultState); - addState(mP2pDisablingState, mDefaultState); - addState(mP2pDisabledState, mDefaultState); - addState(mP2pEnablingState, mDefaultState); - addState(mP2pEnabledState, mDefaultState); - addState(mInactiveState, mP2pEnabledState); - addState(mGroupCreatingState, mP2pEnabledState); - addState(mUserAuthorizingInviteRequestState, mGroupCreatingState); - addState(mUserAuthorizingNegotiationRequestState, mGroupCreatingState); - addState(mProvisionDiscoveryState, mGroupCreatingState); - addState(mGroupNegotiationState, mGroupCreatingState); - addState(mFrequencyConflictState, mGroupCreatingState); - addState(mGroupCreatedState, mP2pEnabledState); - addState(mUserAuthorizingJoinState, mGroupCreatedState); - addState(mOngoingGroupRemovalState, mGroupCreatedState); - - if (p2pSupported) { - setInitialState(mP2pDisabledState); - } else { - setInitialState(mP2pNotSupportedState); - } - setLogRecSize(50); - setLogOnlyTransitions(true); - } - - class DefaultState extends State { - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case AsyncChannel.CMD_CHANNEL_HALF_CONNECTED: - if (message.arg1 == AsyncChannel.STATUS_SUCCESSFUL) { - if (DBG) logd("Full connection with WifiStateMachine established"); - mWifiChannel = (AsyncChannel) message.obj; - } else { - loge("Full connection failure, error = " + message.arg1); - mWifiChannel = null; - } - break; - - case AsyncChannel.CMD_CHANNEL_DISCONNECTED: - if (message.arg1 == AsyncChannel.STATUS_SEND_UNSUCCESSFUL) { - loge("Send failed, client connection lost"); - } else { - loge("Client connection lost with reason: " + message.arg1); - } - mWifiChannel = null; - break; - - case AsyncChannel.CMD_CHANNEL_FULL_CONNECTION: - AsyncChannel ac = new AsyncChannel(); - ac.connect(mContext, getHandler(), message.replyTo); - break; - case BLOCK_DISCOVERY: - mDiscoveryBlocked = (message.arg1 == ENABLED ? true : false); - // always reset this - we went to a state that doesn't support discovery so - // it would have stopped regardless - mDiscoveryPostponed = false; - if (mDiscoveryBlocked) { - try { - StateMachine m = (StateMachine)message.obj; - m.sendMessage(message.arg2); - } catch (Exception e) { - loge("unable to send BLOCK_DISCOVERY response: " + e); - } - } - break; - case WifiP2pManager.DISCOVER_PEERS: - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.STOP_DISCOVERY: - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.DISCOVER_SERVICES: - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CONNECT: - replyToMessage(message, WifiP2pManager.CONNECT_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CANCEL_CONNECT: - replyToMessage(message, WifiP2pManager.CANCEL_CONNECT_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CREATE_GROUP: - replyToMessage(message, WifiP2pManager.CREATE_GROUP_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.REMOVE_GROUP: - replyToMessage(message, WifiP2pManager.REMOVE_GROUP_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.ADD_LOCAL_SERVICE: - replyToMessage(message, WifiP2pManager.ADD_LOCAL_SERVICE_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.REMOVE_LOCAL_SERVICE: - replyToMessage(message, WifiP2pManager.REMOVE_LOCAL_SERVICE_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CLEAR_LOCAL_SERVICES: - replyToMessage(message, WifiP2pManager.CLEAR_LOCAL_SERVICES_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.ADD_SERVICE_REQUEST: - replyToMessage(message, WifiP2pManager.ADD_SERVICE_REQUEST_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.REMOVE_SERVICE_REQUEST: - replyToMessage(message, - WifiP2pManager.REMOVE_SERVICE_REQUEST_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CLEAR_SERVICE_REQUESTS: - replyToMessage(message, - WifiP2pManager.CLEAR_SERVICE_REQUESTS_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.SET_DEVICE_NAME: - replyToMessage(message, WifiP2pManager.SET_DEVICE_NAME_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.DELETE_PERSISTENT_GROUP: - replyToMessage(message, WifiP2pManager.DELETE_PERSISTENT_GROUP, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.SET_WFD_INFO: - replyToMessage(message, WifiP2pManager.SET_WFD_INFO_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.REQUEST_PEERS: - replyToMessage(message, WifiP2pManager.RESPONSE_PEERS, - new WifiP2pDeviceList(mPeers)); - break; - case WifiP2pManager.REQUEST_CONNECTION_INFO: - replyToMessage(message, WifiP2pManager.RESPONSE_CONNECTION_INFO, - new WifiP2pInfo(mWifiP2pInfo)); - break; - case WifiP2pManager.REQUEST_GROUP_INFO: - replyToMessage(message, WifiP2pManager.RESPONSE_GROUP_INFO, - mGroup != null ? new WifiP2pGroup(mGroup) : null); - break; - case WifiP2pManager.REQUEST_PERSISTENT_GROUP_INFO: - replyToMessage(message, WifiP2pManager.RESPONSE_PERSISTENT_GROUP_INFO, - new WifiP2pGroupList(mGroups, null)); - break; - case WifiP2pManager.START_WPS: - replyToMessage(message, WifiP2pManager.START_WPS_FAILED, - WifiP2pManager.BUSY); - break; - // Ignore - case WifiMonitor.P2P_INVITATION_RESULT_EVENT: - case WifiMonitor.SCAN_RESULTS_EVENT: - case WifiMonitor.SUP_CONNECTION_EVENT: - case WifiMonitor.SUP_DISCONNECTION_EVENT: - case WifiMonitor.NETWORK_CONNECTION_EVENT: - case WifiMonitor.NETWORK_DISCONNECTION_EVENT: - case WifiMonitor.SUPPLICANT_STATE_CHANGE_EVENT: - case WifiMonitor.AUTHENTICATION_FAILURE_EVENT: - case WifiMonitor.WPS_SUCCESS_EVENT: - case WifiMonitor.WPS_FAIL_EVENT: - case WifiMonitor.WPS_OVERLAP_EVENT: - case WifiMonitor.WPS_TIMEOUT_EVENT: - case WifiMonitor.P2P_GROUP_REMOVED_EVENT: - case WifiMonitor.P2P_DEVICE_FOUND_EVENT: - case WifiMonitor.P2P_DEVICE_LOST_EVENT: - case WifiMonitor.P2P_FIND_STOPPED_EVENT: - case WifiMonitor.P2P_SERV_DISC_RESP_EVENT: - case PEER_CONNECTION_USER_ACCEPT: - case PEER_CONNECTION_USER_REJECT: - case DISCONNECT_WIFI_RESPONSE: - case DROP_WIFI_USER_ACCEPT: - case DROP_WIFI_USER_REJECT: - case GROUP_CREATING_TIMED_OUT: - case DISABLE_P2P_TIMED_OUT: - case DhcpStateMachine.CMD_PRE_DHCP_ACTION: - case DhcpStateMachine.CMD_POST_DHCP_ACTION: - case DhcpStateMachine.CMD_ON_QUIT: - case WifiMonitor.P2P_PROV_DISC_FAILURE_EVENT: - case SET_MIRACAST_MODE: - case WifiP2pManager.START_LISTEN: - case WifiP2pManager.STOP_LISTEN: - case WifiP2pManager.SET_CHANNEL: - case SET_COUNTRY_CODE: - break; - case WifiStateMachine.CMD_ENABLE_P2P: - // Enable is lazy and has no response - break; - case WifiStateMachine.CMD_DISABLE_P2P_REQ: - // If we end up handling in default, p2p is not enabled - mWifiChannel.sendMessage(WifiStateMachine.CMD_DISABLE_P2P_RSP); - break; - /* unexpected group created, remove */ - case WifiMonitor.P2P_GROUP_STARTED_EVENT: - mGroup = (WifiP2pGroup) message.obj; - loge("Unexpected group creation, remove " + mGroup); - mWifiNative.p2pGroupRemove(mGroup.getInterface()); - break; - // A group formation failure is always followed by - // a group removed event. Flushing things at group formation - // failure causes supplicant issues. Ignore right now. - case WifiMonitor.P2P_GROUP_FORMATION_FAILURE_EVENT: - break; - default: - loge("Unhandled message " + message); - return NOT_HANDLED; - } - return HANDLED; - } - } - - class P2pNotSupportedState extends State { - @Override - public boolean processMessage(Message message) { - switch (message.what) { - case WifiP2pManager.DISCOVER_PEERS: - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.STOP_DISCOVERY: - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.DISCOVER_SERVICES: - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.CONNECT: - replyToMessage(message, WifiP2pManager.CONNECT_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.CANCEL_CONNECT: - replyToMessage(message, WifiP2pManager.CANCEL_CONNECT_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.CREATE_GROUP: - replyToMessage(message, WifiP2pManager.CREATE_GROUP_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.REMOVE_GROUP: - replyToMessage(message, WifiP2pManager.REMOVE_GROUP_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.ADD_LOCAL_SERVICE: - replyToMessage(message, WifiP2pManager.ADD_LOCAL_SERVICE_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.REMOVE_LOCAL_SERVICE: - replyToMessage(message, WifiP2pManager.REMOVE_LOCAL_SERVICE_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.CLEAR_LOCAL_SERVICES: - replyToMessage(message, WifiP2pManager.CLEAR_LOCAL_SERVICES_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.ADD_SERVICE_REQUEST: - replyToMessage(message, WifiP2pManager.ADD_SERVICE_REQUEST_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.REMOVE_SERVICE_REQUEST: - replyToMessage(message, - WifiP2pManager.REMOVE_SERVICE_REQUEST_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.CLEAR_SERVICE_REQUESTS: - replyToMessage(message, - WifiP2pManager.CLEAR_SERVICE_REQUESTS_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.SET_DEVICE_NAME: - replyToMessage(message, WifiP2pManager.SET_DEVICE_NAME_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.DELETE_PERSISTENT_GROUP: - replyToMessage(message, WifiP2pManager.DELETE_PERSISTENT_GROUP, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.SET_WFD_INFO: - replyToMessage(message, WifiP2pManager.SET_WFD_INFO_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.START_WPS: - replyToMessage(message, WifiP2pManager.START_WPS_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.START_LISTEN: - replyToMessage(message, WifiP2pManager.START_LISTEN_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - case WifiP2pManager.STOP_LISTEN: - replyToMessage(message, WifiP2pManager.STOP_LISTEN_FAILED, - WifiP2pManager.P2P_UNSUPPORTED); - break; - - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class P2pDisablingState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - sendMessageDelayed(obtainMessage(DISABLE_P2P_TIMED_OUT, - ++mDisableP2pTimeoutIndex, 0), DISABLE_P2P_WAIT_TIME_MS); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiMonitor.SUP_DISCONNECTION_EVENT: - if (DBG) logd("p2p socket connection lost"); - transitionTo(mP2pDisabledState); - break; - case WifiStateMachine.CMD_ENABLE_P2P: - case WifiStateMachine.CMD_DISABLE_P2P_REQ: - deferMessage(message); - break; - case DISABLE_P2P_TIMED_OUT: - if (mGroupCreatingTimeoutIndex == message.arg1) { - loge("P2p disable timed out"); - transitionTo(mP2pDisabledState); - } - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - - @Override - public void exit() { - mWifiChannel.sendMessage(WifiStateMachine.CMD_DISABLE_P2P_RSP); - } - } - - class P2pDisabledState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiStateMachine.CMD_ENABLE_P2P: - try { - mNwService.setInterfaceUp(mInterface); - } catch (RemoteException re) { - loge("Unable to change interface settings: " + re); - } catch (IllegalStateException ie) { - loge("Unable to change interface settings: " + ie); - } - mWifiMonitor.startMonitoring(); - transitionTo(mP2pEnablingState); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class P2pEnablingState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiMonitor.SUP_CONNECTION_EVENT: - if (DBG) logd("P2p socket connection successful"); - transitionTo(mInactiveState); - break; - case WifiMonitor.SUP_DISCONNECTION_EVENT: - loge("P2p socket connection failed"); - transitionTo(mP2pDisabledState); - break; - case WifiStateMachine.CMD_ENABLE_P2P: - case WifiStateMachine.CMD_DISABLE_P2P_REQ: - deferMessage(message); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class P2pEnabledState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - sendP2pStateChangedBroadcast(true); - mNetworkInfo.setIsAvailable(true); - sendP2pConnectionChangedBroadcast(); - initializeP2pSettings(); - } - - @Override - 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; - case WifiStateMachine.CMD_DISABLE_P2P_REQ: - if (mPeers.clear()) { - sendPeersChangedBroadcast(); - } - if (mGroups.clear()) sendP2pPersistentGroupsChangedBroadcast(); - - mWifiMonitor.stopMonitoring(); - transitionTo(mP2pDisablingState); - break; - case WifiP2pManager.SET_DEVICE_NAME: - { - WifiP2pDevice d = (WifiP2pDevice) message.obj; - if (d != null && setAndPersistDeviceName(d.deviceName)) { - if (DBG) logd("set device name " + d.deviceName); - replyToMessage(message, WifiP2pManager.SET_DEVICE_NAME_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.SET_DEVICE_NAME_FAILED, - WifiP2pManager.ERROR); - } - break; - } - case WifiP2pManager.SET_WFD_INFO: - { - WifiP2pWfdInfo d = (WifiP2pWfdInfo) message.obj; - if (d != null && setWfdInfo(d)) { - replyToMessage(message, WifiP2pManager.SET_WFD_INFO_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.SET_WFD_INFO_FAILED, - WifiP2pManager.ERROR); - } - break; - } - case BLOCK_DISCOVERY: - boolean blocked = (message.arg1 == ENABLED ? true : false); - if (mDiscoveryBlocked == blocked) break; - mDiscoveryBlocked = blocked; - if (blocked && mDiscoveryStarted) { - mWifiNative.p2pStopFind(); - mDiscoveryPostponed = true; - } - if (!blocked && mDiscoveryPostponed) { - mDiscoveryPostponed = false; - mWifiNative.p2pFind(DISCOVER_TIMEOUT_S); - } - if (blocked) { - try { - StateMachine m = (StateMachine)message.obj; - m.sendMessage(message.arg2); - } catch (Exception e) { - loge("unable to send BLOCK_DISCOVERY response: " + e); - } - } - break; - case WifiP2pManager.DISCOVER_PEERS: - if (mDiscoveryBlocked) { - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_FAILED, - WifiP2pManager.BUSY); - break; - } - // do not send service discovery request while normal find operation. - clearSupplicantServiceRequest(); - if (mWifiNative.p2pFind(DISCOVER_TIMEOUT_S)) { - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_SUCCEEDED); - sendP2pDiscoveryChangedBroadcast(true); - } else { - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_FAILED, - WifiP2pManager.ERROR); - } - break; - case WifiMonitor.P2P_FIND_STOPPED_EVENT: - sendP2pDiscoveryChangedBroadcast(false); - break; - case WifiP2pManager.STOP_DISCOVERY: - if (mWifiNative.p2pStopFind()) { - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_FAILED, - WifiP2pManager.ERROR); - } - break; - case WifiP2pManager.DISCOVER_SERVICES: - if (mDiscoveryBlocked) { - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_FAILED, - WifiP2pManager.BUSY); - break; - } - if (DBG) logd(getName() + " discover services"); - if (!updateSupplicantServiceRequest()) { - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_FAILED, - WifiP2pManager.NO_SERVICE_REQUESTS); - break; - } - if (mWifiNative.p2pFind(DISCOVER_TIMEOUT_S)) { - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.DISCOVER_SERVICES_FAILED, - WifiP2pManager.ERROR); - } - break; - case WifiMonitor.P2P_DEVICE_FOUND_EVENT: - WifiP2pDevice device = (WifiP2pDevice) message.obj; - if (mThisDevice.deviceAddress.equals(device.deviceAddress)) break; - mPeers.updateSupplicantDetails(device); - sendPeersChangedBroadcast(); - break; - case WifiMonitor.P2P_DEVICE_LOST_EVENT: - device = (WifiP2pDevice) message.obj; - // Gets current details for the one removed - device = mPeers.remove(device.deviceAddress); - if (device != null) { - sendPeersChangedBroadcast(); - } - break; - case WifiP2pManager.ADD_LOCAL_SERVICE: - if (DBG) logd(getName() + " add service"); - WifiP2pServiceInfo servInfo = (WifiP2pServiceInfo)message.obj; - if (addLocalService(message.replyTo, servInfo)) { - replyToMessage(message, WifiP2pManager.ADD_LOCAL_SERVICE_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.ADD_LOCAL_SERVICE_FAILED); - } - break; - case WifiP2pManager.REMOVE_LOCAL_SERVICE: - if (DBG) logd(getName() + " remove service"); - servInfo = (WifiP2pServiceInfo)message.obj; - removeLocalService(message.replyTo, servInfo); - replyToMessage(message, WifiP2pManager.REMOVE_LOCAL_SERVICE_SUCCEEDED); - break; - case WifiP2pManager.CLEAR_LOCAL_SERVICES: - if (DBG) logd(getName() + " clear service"); - clearLocalServices(message.replyTo); - replyToMessage(message, WifiP2pManager.CLEAR_LOCAL_SERVICES_SUCCEEDED); - break; - case WifiP2pManager.ADD_SERVICE_REQUEST: - if (DBG) logd(getName() + " add service request"); - if (!addServiceRequest(message.replyTo, (WifiP2pServiceRequest)message.obj)) { - replyToMessage(message, WifiP2pManager.ADD_SERVICE_REQUEST_FAILED); - break; - } - replyToMessage(message, WifiP2pManager.ADD_SERVICE_REQUEST_SUCCEEDED); - break; - case WifiP2pManager.REMOVE_SERVICE_REQUEST: - if (DBG) logd(getName() + " remove service request"); - removeServiceRequest(message.replyTo, (WifiP2pServiceRequest)message.obj); - replyToMessage(message, WifiP2pManager.REMOVE_SERVICE_REQUEST_SUCCEEDED); - break; - case WifiP2pManager.CLEAR_SERVICE_REQUESTS: - if (DBG) logd(getName() + " clear service request"); - clearServiceRequests(message.replyTo); - replyToMessage(message, WifiP2pManager.CLEAR_SERVICE_REQUESTS_SUCCEEDED); - break; - case WifiMonitor.P2P_SERV_DISC_RESP_EVENT: - if (DBG) logd(getName() + " receive service response"); - List<WifiP2pServiceResponse> sdRespList = - (List<WifiP2pServiceResponse>) message.obj; - for (WifiP2pServiceResponse resp : sdRespList) { - WifiP2pDevice dev = - mPeers.get(resp.getSrcDevice().deviceAddress); - resp.setSrcDevice(dev); - sendServiceResponse(resp); - } - break; - case WifiP2pManager.DELETE_PERSISTENT_GROUP: - if (DBG) logd(getName() + " delete persistent group"); - mGroups.remove(message.arg1); - replyToMessage(message, WifiP2pManager.DELETE_PERSISTENT_GROUP_SUCCEEDED); - break; - case SET_MIRACAST_MODE: - mWifiNative.setMiracastMode(message.arg1); - break; - case WifiP2pManager.START_LISTEN: - if (DBG) logd(getName() + " start listen mode"); - mWifiNative.p2pFlush(); - if (mWifiNative.p2pExtListen(true, 500, 500)) { - replyToMessage(message, WifiP2pManager.START_LISTEN_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.START_LISTEN_FAILED); - } - break; - case WifiP2pManager.STOP_LISTEN: - if (DBG) logd(getName() + " stop listen mode"); - if (mWifiNative.p2pExtListen(false, 0, 0)) { - replyToMessage(message, WifiP2pManager.STOP_LISTEN_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.STOP_LISTEN_FAILED); - } - mWifiNative.p2pFlush(); - break; - case WifiP2pManager.SET_CHANNEL: - Bundle p2pChannels = (Bundle) message.obj; - int lc = p2pChannels.getInt("lc", 0); - int oc = p2pChannels.getInt("oc", 0); - if (DBG) logd(getName() + " set listen and operating channel"); - if (mWifiNative.p2pSetChannel(lc, oc)) { - replyToMessage(message, WifiP2pManager.SET_CHANNEL_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.SET_CHANNEL_FAILED); - } - break; - case SET_COUNTRY_CODE: - String countryCode = (String) message.obj; - countryCode = countryCode.toUpperCase(Locale.ROOT); - if (mLastSetCountryCode == null || - countryCode.equals(mLastSetCountryCode) == false) { - if (mWifiNative.setCountryCode(countryCode)) { - mLastSetCountryCode = countryCode; - } - } - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - - @Override - public void exit() { - sendP2pDiscoveryChangedBroadcast(false); - sendP2pStateChangedBroadcast(false); - mNetworkInfo.setIsAvailable(false); - - mLastSetCountryCode = null; - } - } - - class InactiveState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - mSavedPeerConfig.invalidate(); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiP2pManager.CONNECT: - if (DBG) logd(getName() + " sending connect"); - WifiP2pConfig config = (WifiP2pConfig) message.obj; - if (isConfigInvalid(config)) { - loge("Dropping connect requeset " + config); - replyToMessage(message, WifiP2pManager.CONNECT_FAILED); - break; - } - - mAutonomousGroup = false; - mWifiNative.p2pStopFind(); - if (reinvokePersistentGroup(config)) { - transitionTo(mGroupNegotiationState); - } else { - transitionTo(mProvisionDiscoveryState); - } - mSavedPeerConfig = config; - mPeers.updateStatus(mSavedPeerConfig.deviceAddress, WifiP2pDevice.INVITED); - sendPeersChangedBroadcast(); - replyToMessage(message, WifiP2pManager.CONNECT_SUCCEEDED); - break; - case WifiP2pManager.STOP_DISCOVERY: - if (mWifiNative.p2pStopFind()) { - // When discovery stops in inactive state, flush to clear - // state peer data - mWifiNative.p2pFlush(); - mServiceDiscReqId = null; - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.STOP_DISCOVERY_FAILED, - WifiP2pManager.ERROR); - } - break; - case WifiMonitor.P2P_GO_NEGOTIATION_REQUEST_EVENT: - config = (WifiP2pConfig) message.obj; - if (isConfigInvalid(config)) { - loge("Dropping GO neg request " + config); - break; - } - mSavedPeerConfig = config; - mAutonomousGroup = false; - mJoinExistingGroup = false; - transitionTo(mUserAuthorizingNegotiationRequestState); - break; - case WifiMonitor.P2P_INVITATION_RECEIVED_EVENT: - WifiP2pGroup group = (WifiP2pGroup) message.obj; - WifiP2pDevice owner = group.getOwner(); - - if (owner == null) { - loge("Ignored invitation from null owner"); - break; - } - - config = new WifiP2pConfig(); - config.deviceAddress = group.getOwner().deviceAddress; - - if (isConfigInvalid(config)) { - loge("Dropping invitation request " + config); - break; - } - mSavedPeerConfig = config; - - //Check if we have the owner in peer list and use appropriate - //wps method. Default is to use PBC. - if ((owner = mPeers.get(owner.deviceAddress)) != null) { - if (owner.wpsPbcSupported()) { - mSavedPeerConfig.wps.setup = WpsInfo.PBC; - } else if (owner.wpsKeypadSupported()) { - mSavedPeerConfig.wps.setup = WpsInfo.KEYPAD; - } else if (owner.wpsDisplaySupported()) { - mSavedPeerConfig.wps.setup = WpsInfo.DISPLAY; - } - } - - mAutonomousGroup = false; - mJoinExistingGroup = true; - transitionTo(mUserAuthorizingInviteRequestState); - break; - case WifiMonitor.P2P_PROV_DISC_PBC_REQ_EVENT: - case WifiMonitor.P2P_PROV_DISC_ENTER_PIN_EVENT: - case WifiMonitor.P2P_PROV_DISC_SHOW_PIN_EVENT: - //We let the supplicant handle the provision discovery response - //and wait instead for the GO_NEGOTIATION_REQUEST_EVENT. - //Handling provision discovery and issuing a p2p_connect before - //group negotiation comes through causes issues - break; - case WifiP2pManager.CREATE_GROUP: - mAutonomousGroup = true; - int netId = message.arg1; - boolean ret = false; - if (netId == WifiP2pGroup.PERSISTENT_NET_ID) { - // check if the go persistent group is present. - netId = mGroups.getNetworkId(mThisDevice.deviceAddress); - if (netId != -1) { - ret = mWifiNative.p2pGroupAdd(netId); - } else { - ret = mWifiNative.p2pGroupAdd(true); - } - } else { - ret = mWifiNative.p2pGroupAdd(false); - } - - if (ret) { - replyToMessage(message, WifiP2pManager.CREATE_GROUP_SUCCEEDED); - transitionTo(mGroupNegotiationState); - } else { - replyToMessage(message, WifiP2pManager.CREATE_GROUP_FAILED, - WifiP2pManager.ERROR); - // remain at this state. - } - break; - case WifiMonitor.P2P_GROUP_STARTED_EVENT: - mGroup = (WifiP2pGroup) message.obj; - if (DBG) logd(getName() + " group started"); - - // We hit this scenario when a persistent group is reinvoked - if (mGroup.getNetworkId() == WifiP2pGroup.PERSISTENT_NET_ID) { - mAutonomousGroup = false; - deferMessage(message); - transitionTo(mGroupNegotiationState); - } else { - loge("Unexpected group creation, remove " + mGroup); - mWifiNative.p2pGroupRemove(mGroup.getInterface()); - } - break; - case WifiP2pManager.START_LISTEN: - if (DBG) logd(getName() + " start listen mode"); - mWifiNative.p2pFlush(); - if (mWifiNative.p2pExtListen(true, 500, 500)) { - replyToMessage(message, WifiP2pManager.START_LISTEN_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.START_LISTEN_FAILED); - } - break; - case WifiP2pManager.STOP_LISTEN: - if (DBG) logd(getName() + " stop listen mode"); - if (mWifiNative.p2pExtListen(false, 0, 0)) { - replyToMessage(message, WifiP2pManager.STOP_LISTEN_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.STOP_LISTEN_FAILED); - } - mWifiNative.p2pFlush(); - break; - case WifiP2pManager.SET_CHANNEL: - Bundle p2pChannels = (Bundle) message.obj; - int lc = p2pChannels.getInt("lc", 0); - int oc = p2pChannels.getInt("oc", 0); - if (DBG) logd(getName() + " set listen and operating channel"); - if (mWifiNative.p2pSetChannel(lc, oc)) { - replyToMessage(message, WifiP2pManager.SET_CHANNEL_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.SET_CHANNEL_FAILED); - } - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class GroupCreatingState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - sendMessageDelayed(obtainMessage(GROUP_CREATING_TIMED_OUT, - ++mGroupCreatingTimeoutIndex, 0), GROUP_CREATING_WAIT_TIME_MS); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - boolean ret = HANDLED; - switch (message.what) { - case GROUP_CREATING_TIMED_OUT: - if (mGroupCreatingTimeoutIndex == message.arg1) { - if (DBG) logd("Group negotiation timed out"); - handleGroupCreationFailure(); - transitionTo(mInactiveState); - } - break; - case WifiMonitor.P2P_DEVICE_LOST_EVENT: - WifiP2pDevice device = (WifiP2pDevice) message.obj; - if (!mSavedPeerConfig.deviceAddress.equals(device.deviceAddress)) { - if (DBG) { - logd("mSavedPeerConfig " + mSavedPeerConfig.deviceAddress + - "device " + device.deviceAddress); - } - // Do the regular device lost handling - ret = NOT_HANDLED; - break; - } - // Do nothing - if (DBG) logd("Add device to lost list " + device); - mPeersLostDuringConnection.updateSupplicantDetails(device); - break; - case WifiP2pManager.DISCOVER_PEERS: - /* Discovery will break negotiation */ - replyToMessage(message, WifiP2pManager.DISCOVER_PEERS_FAILED, - WifiP2pManager.BUSY); - break; - case WifiP2pManager.CANCEL_CONNECT: - //Do a supplicant p2p_cancel which only cancels an ongoing - //group negotiation. This will fail for a pending provision - //discovery or for a pending user action, but at the framework - //level, we always treat cancel as succeeded and enter - //an inactive state - mWifiNative.p2pCancelConnect(); - handleGroupCreationFailure(); - transitionTo(mInactiveState); - replyToMessage(message, WifiP2pManager.CANCEL_CONNECT_SUCCEEDED); - break; - default: - ret = NOT_HANDLED; - } - return ret; - } - } - - class UserAuthorizingNegotiationRequestState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - notifyInvitationReceived(); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - boolean ret = HANDLED; - switch (message.what) { - case PEER_CONNECTION_USER_ACCEPT: - mWifiNative.p2pStopFind(); - p2pConnectWithPinDisplay(mSavedPeerConfig); - mPeers.updateStatus(mSavedPeerConfig.deviceAddress, WifiP2pDevice.INVITED); - sendPeersChangedBroadcast(); - transitionTo(mGroupNegotiationState); - break; - case PEER_CONNECTION_USER_REJECT: - if (DBG) logd("User rejected negotiation " + mSavedPeerConfig); - transitionTo(mInactiveState); - break; - default: - return NOT_HANDLED; - } - return ret; - } - - @Override - public void exit() { - //TODO: dismiss dialog if not already done - } - } - - class UserAuthorizingInviteRequestState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - notifyInvitationReceived(); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - boolean ret = HANDLED; - switch (message.what) { - case PEER_CONNECTION_USER_ACCEPT: - mWifiNative.p2pStopFind(); - if (!reinvokePersistentGroup(mSavedPeerConfig)) { - // Do negotiation when persistence fails - p2pConnectWithPinDisplay(mSavedPeerConfig); - } - mPeers.updateStatus(mSavedPeerConfig.deviceAddress, WifiP2pDevice.INVITED); - sendPeersChangedBroadcast(); - transitionTo(mGroupNegotiationState); - break; - case PEER_CONNECTION_USER_REJECT: - if (DBG) logd("User rejected invitation " + mSavedPeerConfig); - transitionTo(mInactiveState); - break; - default: - return NOT_HANDLED; - } - return ret; - } - - @Override - public void exit() { - //TODO: dismiss dialog if not already done - } - } - - - - class ProvisionDiscoveryState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - mWifiNative.p2pProvisionDiscovery(mSavedPeerConfig); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - WifiP2pProvDiscEvent provDisc; - WifiP2pDevice device; - switch (message.what) { - case WifiMonitor.P2P_PROV_DISC_PBC_RSP_EVENT: - provDisc = (WifiP2pProvDiscEvent) message.obj; - device = provDisc.device; - if (!device.deviceAddress.equals(mSavedPeerConfig.deviceAddress)) break; - - if (mSavedPeerConfig.wps.setup == WpsInfo.PBC) { - if (DBG) logd("Found a match " + mSavedPeerConfig); - p2pConnectWithPinDisplay(mSavedPeerConfig); - transitionTo(mGroupNegotiationState); - } - break; - case WifiMonitor.P2P_PROV_DISC_ENTER_PIN_EVENT: - provDisc = (WifiP2pProvDiscEvent) message.obj; - device = provDisc.device; - if (!device.deviceAddress.equals(mSavedPeerConfig.deviceAddress)) break; - - if (mSavedPeerConfig.wps.setup == WpsInfo.KEYPAD) { - if (DBG) logd("Found a match " + mSavedPeerConfig); - /* we already have the pin */ - if (!TextUtils.isEmpty(mSavedPeerConfig.wps.pin)) { - p2pConnectWithPinDisplay(mSavedPeerConfig); - transitionTo(mGroupNegotiationState); - } else { - mJoinExistingGroup = false; - transitionTo(mUserAuthorizingNegotiationRequestState); - } - } - break; - case WifiMonitor.P2P_PROV_DISC_SHOW_PIN_EVENT: - provDisc = (WifiP2pProvDiscEvent) message.obj; - device = provDisc.device; - if (!device.deviceAddress.equals(mSavedPeerConfig.deviceAddress)) break; - - if (mSavedPeerConfig.wps.setup == WpsInfo.DISPLAY) { - if (DBG) logd("Found a match " + mSavedPeerConfig); - mSavedPeerConfig.wps.pin = provDisc.pin; - p2pConnectWithPinDisplay(mSavedPeerConfig); - notifyInvitationSent(provDisc.pin, device.deviceAddress); - transitionTo(mGroupNegotiationState); - } - break; - case WifiMonitor.P2P_PROV_DISC_FAILURE_EVENT: - loge("provision discovery failed"); - handleGroupCreationFailure(); - transitionTo(mInactiveState); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class GroupNegotiationState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - // We ignore these right now, since we get a GROUP_STARTED notification - // afterwards - case WifiMonitor.P2P_GO_NEGOTIATION_SUCCESS_EVENT: - case WifiMonitor.P2P_GROUP_FORMATION_SUCCESS_EVENT: - if (DBG) logd(getName() + " go success"); - break; - case WifiMonitor.P2P_GROUP_STARTED_EVENT: - mGroup = (WifiP2pGroup) message.obj; - if (DBG) logd(getName() + " group started"); - - if (mGroup.getNetworkId() == WifiP2pGroup.PERSISTENT_NET_ID) { - /* - * update cache information and set network id to mGroup. - */ - updatePersistentNetworks(NO_RELOAD); - String devAddr = mGroup.getOwner().deviceAddress; - mGroup.setNetworkId(mGroups.getNetworkId(devAddr, - mGroup.getNetworkName())); - } - - if (mGroup.isGroupOwner()) { - /* Setting an idle time out on GO causes issues with certain scenarios - * on clients where it can be off-channel for longer and with the power - * save modes used. - * - * TODO: Verify multi-channel scenarios and supplicant behavior are - * better before adding a time out in future - */ - //Set group idle timeout of 10 sec, to avoid GO beaconing incase of any - //failure during 4-way Handshake. - if (!mAutonomousGroup) { - mWifiNative.setP2pGroupIdle(mGroup.getInterface(), GROUP_IDLE_TIME_S); - } - startDhcpServer(mGroup.getInterface()); - } else { - mWifiNative.setP2pGroupIdle(mGroup.getInterface(), GROUP_IDLE_TIME_S); - mDhcpStateMachine = DhcpStateMachine.makeDhcpStateMachine(mContext, - P2pStateMachine.this, mGroup.getInterface()); - // TODO: We should use DHCP state machine PRE message like WifiStateMachine - mWifiNative.setP2pPowerSave(mGroup.getInterface(), false); - mDhcpStateMachine.sendMessage(DhcpStateMachine.CMD_START_DHCP); - WifiP2pDevice groupOwner = mGroup.getOwner(); - WifiP2pDevice peer = mPeers.get(groupOwner.deviceAddress); - if (peer != null) { - // update group owner details with peer details found at discovery - groupOwner.updateSupplicantDetails(peer); - mPeers.updateStatus(groupOwner.deviceAddress, WifiP2pDevice.CONNECTED); - sendPeersChangedBroadcast(); - } else { - // A supplicant bug can lead to reporting an invalid - // group owner address (all zeroes) at times. Avoid a - // crash, but continue group creation since it is not - // essential. - logw("Unknown group owner " + groupOwner); - } - } - transitionTo(mGroupCreatedState); - break; - case WifiMonitor.P2P_GO_NEGOTIATION_FAILURE_EVENT: - P2pStatus status = (P2pStatus) message.obj; - if (status == P2pStatus.NO_COMMON_CHANNEL) { - transitionTo(mFrequencyConflictState); - break; - } - /* continue with group removal handling */ - case WifiMonitor.P2P_GROUP_REMOVED_EVENT: - if (DBG) logd(getName() + " go failure"); - handleGroupCreationFailure(); - transitionTo(mInactiveState); - break; - // A group formation failure is always followed by - // a group removed event. Flushing things at group formation - // failure causes supplicant issues. Ignore right now. - case WifiMonitor.P2P_GROUP_FORMATION_FAILURE_EVENT: - status = (P2pStatus) message.obj; - if (status == P2pStatus.NO_COMMON_CHANNEL) { - transitionTo(mFrequencyConflictState); - break; - } - break; - case WifiMonitor.P2P_INVITATION_RESULT_EVENT: - status = (P2pStatus)message.obj; - if (status == P2pStatus.SUCCESS) { - // invocation was succeeded. - // wait P2P_GROUP_STARTED_EVENT. - break; - } - loge("Invitation result " + status); - if (status == P2pStatus.UNKNOWN_P2P_GROUP) { - // target device has already removed the credential. - // So, remove this credential accordingly. - int netId = mSavedPeerConfig.netId; - if (netId >= 0) { - if (DBG) logd("Remove unknown client from the list"); - removeClientFromList(netId, mSavedPeerConfig.deviceAddress, true); - } - - // Reinvocation has failed, try group negotiation - mSavedPeerConfig.netId = WifiP2pGroup.PERSISTENT_NET_ID; - p2pConnectWithPinDisplay(mSavedPeerConfig); - } else if (status == P2pStatus.INFORMATION_IS_CURRENTLY_UNAVAILABLE) { - - // Devices setting persistent_reconnect to 0 in wpa_supplicant - // always defer the invocation request and return - // "information is currently unable" error. - // So, try another way to connect for interoperability. - mSavedPeerConfig.netId = WifiP2pGroup.PERSISTENT_NET_ID; - p2pConnectWithPinDisplay(mSavedPeerConfig); - } else if (status == P2pStatus.NO_COMMON_CHANNEL) { - transitionTo(mFrequencyConflictState); - } else { - handleGroupCreationFailure(); - transitionTo(mInactiveState); - } - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - class FrequencyConflictState extends State { - private AlertDialog mFrequencyConflictDialog; - @Override - public void enter() { - if (DBG) logd(getName()); - notifyFrequencyConflict(); - } - - private void notifyFrequencyConflict() { - logd("Notify frequency conflict"); - Resources r = Resources.getSystem(); - - AlertDialog dialog = new AlertDialog.Builder(mContext) - .setMessage(r.getString(R.string.wifi_p2p_frequency_conflict_message, - getDeviceName(mSavedPeerConfig.deviceAddress))) - .setPositiveButton(r.getString(R.string.dlg_ok), new OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - sendMessage(DROP_WIFI_USER_ACCEPT); - } - }) - .setNegativeButton(r.getString(R.string.decline), new OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - sendMessage(DROP_WIFI_USER_REJECT); - } - }) - .setOnCancelListener(new DialogInterface.OnCancelListener() { - @Override - public void onCancel(DialogInterface arg0) { - sendMessage(DROP_WIFI_USER_REJECT); - } - }) - .create(); - - dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); - dialog.show(); - mFrequencyConflictDialog = dialog; - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiMonitor.P2P_GO_NEGOTIATION_SUCCESS_EVENT: - case WifiMonitor.P2P_GROUP_FORMATION_SUCCESS_EVENT: - loge(getName() + "group sucess during freq conflict!"); - break; - case WifiMonitor.P2P_GROUP_STARTED_EVENT: - loge(getName() + "group started after freq conflict, handle anyway"); - deferMessage(message); - transitionTo(mGroupNegotiationState); - break; - case WifiMonitor.P2P_GO_NEGOTIATION_FAILURE_EVENT: - case WifiMonitor.P2P_GROUP_REMOVED_EVENT: - case WifiMonitor.P2P_GROUP_FORMATION_FAILURE_EVENT: - // Ignore failures since we retry again - break; - case DROP_WIFI_USER_REJECT: - // User rejected dropping wifi in favour of p2p - handleGroupCreationFailure(); - transitionTo(mInactiveState); - break; - case DROP_WIFI_USER_ACCEPT: - // User accepted dropping wifi in favour of p2p - mWifiChannel.sendMessage(WifiP2pService.DISCONNECT_WIFI_REQUEST, 1); - mTempoarilyDisconnectedWifi = true; - break; - case DISCONNECT_WIFI_RESPONSE: - // Got a response from wifistatemachine, retry p2p - if (DBG) logd(getName() + "Wifi disconnected, retry p2p"); - transitionTo(mInactiveState); - sendMessage(WifiP2pManager.CONNECT, mSavedPeerConfig); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - - public void exit() { - if (mFrequencyConflictDialog != null) mFrequencyConflictDialog.dismiss(); - } - } - - class GroupCreatedState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - // Once connected, peer config details are invalid - mSavedPeerConfig.invalidate(); - mNetworkInfo.setDetailedState(NetworkInfo.DetailedState.CONNECTED, null, null); - - updateThisDevice(WifiP2pDevice.CONNECTED); - - //DHCP server has already been started if I am a group owner - if (mGroup.isGroupOwner()) { - setWifiP2pInfoOnGroupFormation(NetworkUtils.numericToInetAddress(SERVER_ADDRESS)); - } - - // In case of a negotiation group, connection changed is sent - // after a client joins. For autonomous, send now - if (mAutonomousGroup) { - sendP2pConnectionChangedBroadcast(); - } - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiMonitor.AP_STA_CONNECTED_EVENT: - WifiP2pDevice device = (WifiP2pDevice) message.obj; - String deviceAddress = device.deviceAddress; - // Clear timeout that was set when group was started. - mWifiNative.setP2pGroupIdle(mGroup.getInterface(), 0); - if (deviceAddress != null) { - if (mPeers.get(deviceAddress) != null) { - mGroup.addClient(mPeers.get(deviceAddress)); - } else { - mGroup.addClient(deviceAddress); - } - mPeers.updateStatus(deviceAddress, WifiP2pDevice.CONNECTED); - if (DBG) logd(getName() + " ap sta connected"); - sendPeersChangedBroadcast(); - } else { - loge("Connect on null device address, ignore"); - } - sendP2pConnectionChangedBroadcast(); - break; - case WifiMonitor.AP_STA_DISCONNECTED_EVENT: - device = (WifiP2pDevice) message.obj; - deviceAddress = device.deviceAddress; - if (deviceAddress != null) { - mPeers.updateStatus(deviceAddress, WifiP2pDevice.AVAILABLE); - if (mGroup.removeClient(deviceAddress)) { - if (DBG) logd("Removed client " + deviceAddress); - if (!mAutonomousGroup && mGroup.isClientListEmpty()) { - logd("Client list empty, remove non-persistent p2p group"); - mWifiNative.p2pGroupRemove(mGroup.getInterface()); - // We end up sending connection changed broadcast - // when this happens at exit() - } else { - // Notify when a client disconnects from group - sendP2pConnectionChangedBroadcast(); - } - } else { - if (DBG) logd("Failed to remove client " + deviceAddress); - for (WifiP2pDevice c : mGroup.getClientList()) { - if (DBG) logd("client " + c.deviceAddress); - } - } - sendPeersChangedBroadcast(); - if (DBG) logd(getName() + " ap sta disconnected"); - } else { - loge("Disconnect on unknown device: " + device); - } - break; - case DhcpStateMachine.CMD_POST_DHCP_ACTION: - DhcpResults dhcpResults = (DhcpResults) message.obj; - if (message.arg1 == DhcpStateMachine.DHCP_SUCCESS && - dhcpResults != null) { - if (DBG) logd("DhcpResults: " + dhcpResults); - setWifiP2pInfoOnGroupFormation(dhcpResults.serverAddress); - sendP2pConnectionChangedBroadcast(); - //Turn on power save on client - mWifiNative.setP2pPowerSave(mGroup.getInterface(), true); - } else { - loge("DHCP failed"); - mWifiNative.p2pGroupRemove(mGroup.getInterface()); - } - break; - case WifiP2pManager.REMOVE_GROUP: - if (DBG) logd(getName() + " remove group"); - if (mWifiNative.p2pGroupRemove(mGroup.getInterface())) { - transitionTo(mOngoingGroupRemovalState); - replyToMessage(message, WifiP2pManager.REMOVE_GROUP_SUCCEEDED); - } else { - handleGroupRemoved(); - transitionTo(mInactiveState); - replyToMessage(message, WifiP2pManager.REMOVE_GROUP_FAILED, - WifiP2pManager.ERROR); - } - break; - /* We do not listen to NETWORK_DISCONNECTION_EVENT for group removal - * handling since supplicant actually tries to reconnect after a temporary - * disconnect until group idle time out. Eventually, a group removal event - * will come when group has been removed. - * - * When there are connectivity issues during temporary disconnect, the application - * will also just remove the group. - * - * Treating network disconnection as group removal causes race conditions since - * supplicant would still maintain the group at that stage. - */ - case WifiMonitor.P2P_GROUP_REMOVED_EVENT: - if (DBG) logd(getName() + " group removed"); - handleGroupRemoved(); - transitionTo(mInactiveState); - break; - case WifiMonitor.P2P_DEVICE_LOST_EVENT: - 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("Add device to lost list " + device); - mPeersLostDuringConnection.updateSupplicantDetails(device); - return HANDLED; - } - // Do the regular device lost handling - return NOT_HANDLED; - case WifiStateMachine.CMD_DISABLE_P2P_REQ: - sendMessage(WifiP2pManager.REMOVE_GROUP); - deferMessage(message); - break; - // This allows any client to join the GO during the - // WPS window - case WifiP2pManager.START_WPS: - WpsInfo wps = (WpsInfo) message.obj; - if (wps == null) { - replyToMessage(message, WifiP2pManager.START_WPS_FAILED); - break; - } - boolean ret = true; - if (wps.setup == WpsInfo.PBC) { - ret = mWifiNative.startWpsPbc(mGroup.getInterface(), null); - } else { - if (wps.pin == null) { - String pin = mWifiNative.startWpsPinDisplay(mGroup.getInterface()); - try { - Integer.parseInt(pin); - notifyInvitationSent(pin, "any"); - } catch (NumberFormatException ignore) { - ret = false; - } - } else { - ret = mWifiNative.startWpsPinKeypad(mGroup.getInterface(), - wps.pin); - } - } - replyToMessage(message, ret ? WifiP2pManager.START_WPS_SUCCEEDED : - WifiP2pManager.START_WPS_FAILED); - break; - case WifiP2pManager.CONNECT: - WifiP2pConfig config = (WifiP2pConfig) message.obj; - if (isConfigInvalid(config)) { - loge("Dropping connect requeset " + config); - replyToMessage(message, WifiP2pManager.CONNECT_FAILED); - break; - } - logd("Inviting device : " + config.deviceAddress); - mSavedPeerConfig = config; - if (mWifiNative.p2pInvite(mGroup, config.deviceAddress)) { - mPeers.updateStatus(config.deviceAddress, WifiP2pDevice.INVITED); - sendPeersChangedBroadcast(); - replyToMessage(message, WifiP2pManager.CONNECT_SUCCEEDED); - } else { - replyToMessage(message, WifiP2pManager.CONNECT_FAILED, - WifiP2pManager.ERROR); - } - // TODO: figure out updating the status to declined when invitation is rejected - break; - case WifiMonitor.P2P_INVITATION_RESULT_EVENT: - P2pStatus status = (P2pStatus)message.obj; - if (status == P2pStatus.SUCCESS) { - // invocation was succeeded. - break; - } - loge("Invitation result " + status); - if (status == P2pStatus.UNKNOWN_P2P_GROUP) { - // target device has already removed the credential. - // So, remove this credential accordingly. - int netId = mGroup.getNetworkId(); - if (netId >= 0) { - if (DBG) logd("Remove unknown client from the list"); - if (!removeClientFromList(netId, - mSavedPeerConfig.deviceAddress, false)) { - // not found the client on the list - loge("Already removed the client, ignore"); - break; - } - // try invitation. - sendMessage(WifiP2pManager.CONNECT, mSavedPeerConfig); - } - } - break; - case WifiMonitor.P2P_PROV_DISC_PBC_REQ_EVENT: - case WifiMonitor.P2P_PROV_DISC_ENTER_PIN_EVENT: - case WifiMonitor.P2P_PROV_DISC_SHOW_PIN_EVENT: - WifiP2pProvDiscEvent provDisc = (WifiP2pProvDiscEvent) message.obj; - mSavedPeerConfig = new WifiP2pConfig(); - mSavedPeerConfig.deviceAddress = provDisc.device.deviceAddress; - if (message.what == WifiMonitor.P2P_PROV_DISC_ENTER_PIN_EVENT) { - mSavedPeerConfig.wps.setup = WpsInfo.KEYPAD; - } else if (message.what == WifiMonitor.P2P_PROV_DISC_SHOW_PIN_EVENT) { - mSavedPeerConfig.wps.setup = WpsInfo.DISPLAY; - mSavedPeerConfig.wps.pin = provDisc.pin; - } else { - mSavedPeerConfig.wps.setup = WpsInfo.PBC; - } - transitionTo(mUserAuthorizingJoinState); - break; - case WifiMonitor.P2P_GROUP_STARTED_EVENT: - loge("Duplicate group creation event notice, ignore"); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - - public void exit() { - updateThisDevice(WifiP2pDevice.AVAILABLE); - resetWifiP2pInfo(); - mNetworkInfo.setDetailedState(NetworkInfo.DetailedState.DISCONNECTED, null, null); - sendP2pConnectionChangedBroadcast(); - } - } - - class UserAuthorizingJoinState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - notifyInvitationReceived(); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - case WifiMonitor.P2P_PROV_DISC_PBC_REQ_EVENT: - case WifiMonitor.P2P_PROV_DISC_ENTER_PIN_EVENT: - case WifiMonitor.P2P_PROV_DISC_SHOW_PIN_EVENT: - //Ignore more client requests - break; - case PEER_CONNECTION_USER_ACCEPT: - //Stop discovery to avoid failure due to channel switch - mWifiNative.p2pStopFind(); - if (mSavedPeerConfig.wps.setup == WpsInfo.PBC) { - mWifiNative.startWpsPbc(mGroup.getInterface(), null); - } else { - mWifiNative.startWpsPinKeypad(mGroup.getInterface(), - mSavedPeerConfig.wps.pin); - } - transitionTo(mGroupCreatedState); - break; - case PEER_CONNECTION_USER_REJECT: - if (DBG) logd("User rejected incoming request"); - transitionTo(mGroupCreatedState); - break; - default: - return NOT_HANDLED; - } - return HANDLED; - } - - @Override - public void exit() { - //TODO: dismiss dialog if not already done - } - } - - class OngoingGroupRemovalState extends State { - @Override - public void enter() { - if (DBG) logd(getName()); - } - - @Override - public boolean processMessage(Message message) { - if (DBG) logd(getName() + message.toString()); - switch (message.what) { - // Group removal ongoing. Multiple calls - // end up removing persisted network. Do nothing. - case WifiP2pManager.REMOVE_GROUP: - replyToMessage(message, WifiP2pManager.REMOVE_GROUP_SUCCEEDED); - break; - // Parent state will transition out of this state - // when removal is complete - default: - return NOT_HANDLED; - } - return HANDLED; - } - } - - @Override - public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { - super.dump(fd, pw, args); - pw.println("mWifiP2pInfo " + mWifiP2pInfo); - pw.println("mGroup " + mGroup); - pw.println("mSavedPeerConfig " + mSavedPeerConfig); - pw.println("mSavedP2pGroup " + mSavedP2pGroup); - pw.println(); - } - - private void sendP2pStateChangedBroadcast(boolean enabled) { - final Intent intent = new Intent(WifiP2pManager.WIFI_P2P_STATE_CHANGED_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - if (enabled) { - intent.putExtra(WifiP2pManager.EXTRA_WIFI_STATE, - WifiP2pManager.WIFI_P2P_STATE_ENABLED); - } else { - intent.putExtra(WifiP2pManager.EXTRA_WIFI_STATE, - WifiP2pManager.WIFI_P2P_STATE_DISABLED); - } - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } - - private void sendP2pDiscoveryChangedBroadcast(boolean started) { - if (mDiscoveryStarted == started) return; - mDiscoveryStarted = started; - - if (DBG) logd("discovery change broadcast " + started); - - final Intent intent = new Intent(WifiP2pManager.WIFI_P2P_DISCOVERY_CHANGED_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - intent.putExtra(WifiP2pManager.EXTRA_DISCOVERY_STATE, started ? - WifiP2pManager.WIFI_P2P_DISCOVERY_STARTED : - WifiP2pManager.WIFI_P2P_DISCOVERY_STOPPED); - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } - - private void sendThisDeviceChangedBroadcast() { - final Intent intent = new Intent(WifiP2pManager.WIFI_P2P_THIS_DEVICE_CHANGED_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - intent.putExtra(WifiP2pManager.EXTRA_WIFI_P2P_DEVICE, new WifiP2pDevice(mThisDevice)); - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } - - private void sendPeersChangedBroadcast() { - final Intent intent = new Intent(WifiP2pManager.WIFI_P2P_PEERS_CHANGED_ACTION); - intent.putExtra(WifiP2pManager.EXTRA_P2P_DEVICE_LIST, new WifiP2pDeviceList(mPeers)); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - mContext.sendBroadcastAsUser(intent, UserHandle.ALL); - } - - private void sendP2pConnectionChangedBroadcast() { - if (DBG) logd("sending p2p connection changed broadcast"); - Intent intent = new Intent(WifiP2pManager.WIFI_P2P_CONNECTION_CHANGED_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT - | Intent.FLAG_RECEIVER_REPLACE_PENDING); - intent.putExtra(WifiP2pManager.EXTRA_WIFI_P2P_INFO, new WifiP2pInfo(mWifiP2pInfo)); - intent.putExtra(WifiP2pManager.EXTRA_NETWORK_INFO, new NetworkInfo(mNetworkInfo)); - intent.putExtra(WifiP2pManager.EXTRA_WIFI_P2P_GROUP, new WifiP2pGroup(mGroup)); - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - mWifiChannel.sendMessage(WifiP2pService.P2P_CONNECTION_CHANGED, - new NetworkInfo(mNetworkInfo)); - } - - private void sendP2pPersistentGroupsChangedBroadcast() { - if (DBG) logd("sending p2p persistent groups changed broadcast"); - Intent intent = new Intent(WifiP2pManager.WIFI_P2P_PERSISTENT_GROUPS_CHANGED_ACTION); - intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); - mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL); - } - - private void startDhcpServer(String intf) { - InterfaceConfiguration ifcg = null; - try { - ifcg = mNwService.getInterfaceConfig(intf); - ifcg.setLinkAddress(new LinkAddress(NetworkUtils.numericToInetAddress( - SERVER_ADDRESS), 24)); - ifcg.setInterfaceUp(); - mNwService.setInterfaceConfig(intf, ifcg); - /* This starts the dnsmasq server */ - mNwService.startTethering(DHCP_RANGE); - } catch (Exception e) { - loge("Error configuring interface " + intf + ", :" + e); - return; - } - - logd("Started Dhcp server on " + intf); - } - - private void stopDhcpServer(String intf) { - try { - mNwService.stopTethering(); - } catch (Exception e) { - loge("Error stopping Dhcp server" + e); - return; - } - - logd("Stopped Dhcp server"); - } - - private void notifyP2pEnableFailure() { - Resources r = Resources.getSystem(); - AlertDialog dialog = new AlertDialog.Builder(mContext) - .setTitle(r.getString(R.string.wifi_p2p_dialog_title)) - .setMessage(r.getString(R.string.wifi_p2p_failed_message)) - .setPositiveButton(r.getString(R.string.ok), null) - .create(); - dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); - dialog.show(); - } - - private void addRowToDialog(ViewGroup group, int stringId, String value) { - Resources r = Resources.getSystem(); - View row = LayoutInflater.from(mContext).inflate(R.layout.wifi_p2p_dialog_row, - group, false); - ((TextView) row.findViewById(R.id.name)).setText(r.getString(stringId)); - ((TextView) row.findViewById(R.id.value)).setText(value); - group.addView(row); - } - - private void notifyInvitationSent(String pin, String peerAddress) { - Resources r = Resources.getSystem(); - - final View textEntryView = LayoutInflater.from(mContext) - .inflate(R.layout.wifi_p2p_dialog, null); - - ViewGroup group = (ViewGroup) textEntryView.findViewById(R.id.info); - addRowToDialog(group, R.string.wifi_p2p_to_message, getDeviceName(peerAddress)); - addRowToDialog(group, R.string.wifi_p2p_show_pin_message, pin); - - AlertDialog dialog = new AlertDialog.Builder(mContext) - .setTitle(r.getString(R.string.wifi_p2p_invitation_sent_title)) - .setView(textEntryView) - .setPositiveButton(r.getString(R.string.ok), null) - .create(); - dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); - dialog.show(); - } - - private void notifyInvitationReceived() { - Resources r = Resources.getSystem(); - final WpsInfo wps = mSavedPeerConfig.wps; - final View textEntryView = LayoutInflater.from(mContext) - .inflate(R.layout.wifi_p2p_dialog, null); - - ViewGroup group = (ViewGroup) textEntryView.findViewById(R.id.info); - addRowToDialog(group, R.string.wifi_p2p_from_message, getDeviceName( - mSavedPeerConfig.deviceAddress)); - - final EditText pin = (EditText) textEntryView.findViewById(R.id.wifi_p2p_wps_pin); - - AlertDialog dialog = new AlertDialog.Builder(mContext) - .setTitle(r.getString(R.string.wifi_p2p_invitation_to_connect_title)) - .setView(textEntryView) - .setPositiveButton(r.getString(R.string.accept), new OnClickListener() { - public void onClick(DialogInterface dialog, int which) { - if (wps.setup == WpsInfo.KEYPAD) { - mSavedPeerConfig.wps.pin = pin.getText().toString(); - } - if (DBG) logd(getName() + " accept invitation " + mSavedPeerConfig); - sendMessage(PEER_CONNECTION_USER_ACCEPT); - } - }) - .setNegativeButton(r.getString(R.string.decline), new OnClickListener() { - @Override - public void onClick(DialogInterface dialog, int which) { - if (DBG) logd(getName() + " ignore connect"); - sendMessage(PEER_CONNECTION_USER_REJECT); - } - }) - .setOnCancelListener(new DialogInterface.OnCancelListener() { - @Override - public void onCancel(DialogInterface arg0) { - if (DBG) logd(getName() + " ignore connect"); - sendMessage(PEER_CONNECTION_USER_REJECT); - } - }) - .create(); - - //make the enter pin area or the display pin area visible - switch (wps.setup) { - case WpsInfo.KEYPAD: - if (DBG) logd("Enter pin section visible"); - textEntryView.findViewById(R.id.enter_pin_section).setVisibility(View.VISIBLE); - break; - case WpsInfo.DISPLAY: - if (DBG) logd("Shown pin section visible"); - addRowToDialog(group, R.string.wifi_p2p_show_pin_message, wps.pin); - break; - default: - break; - } - - if ((r.getConfiguration().uiMode & Configuration.UI_MODE_TYPE_APPLIANCE) == - Configuration.UI_MODE_TYPE_APPLIANCE) { - // For appliance devices, add a key listener which accepts. - dialog.setOnKeyListener(new DialogInterface.OnKeyListener() { - - @Override - public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) { - // TODO: make the actual key come from a config value. - if (keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) { - sendMessage(PEER_CONNECTION_USER_ACCEPT); - dialog.dismiss(); - return true; - } - return false; - } - }); - // TODO: add timeout for this dialog. - // TODO: update UI in appliance mode to tell user what to do. - } - - dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); - dialog.show(); - } - - /** - * Synchronize the persistent group list between - * wpa_supplicant and mGroups. - */ - private void updatePersistentNetworks(boolean reload) { - String listStr = mWifiNative.listNetworks(); - if (listStr == null) return; - - boolean isSaveRequired = false; - String[] lines = listStr.split("\n"); - if (lines == null) return; - - if (reload) mGroups.clear(); - - // Skip the first line, which is a header - for (int i = 1; i < lines.length; i++) { - String[] result = lines[i].split("\t"); - if (result == null || result.length < 4) { - continue; - } - // network-id | ssid | bssid | flags - int netId = -1; - String ssid = result[1]; - String bssid = result[2]; - String flags = result[3]; - try { - netId = Integer.parseInt(result[0]); - } catch(NumberFormatException e) { - e.printStackTrace(); - continue; - } - - if (flags.indexOf("[CURRENT]") != -1) { - continue; - } - if (flags.indexOf("[P2P-PERSISTENT]") == -1) { - /* - * The unused profile is sometimes remained when the p2p group formation is failed. - * So, we clean up the p2p group here. - */ - if (DBG) logd("clean up the unused persistent group. netId=" + netId); - mWifiNative.removeNetwork(netId); - isSaveRequired = true; - continue; - } - - if (mGroups.contains(netId)) { - continue; - } - - WifiP2pGroup group = new WifiP2pGroup(); - group.setNetworkId(netId); - group.setNetworkName(ssid); - String mode = mWifiNative.getNetworkVariable(netId, "mode"); - if (mode != null && mode.equals("3")) { - group.setIsGroupOwner(true); - } - if (bssid.equalsIgnoreCase(mThisDevice.deviceAddress)) { - group.setOwner(mThisDevice); - } else { - WifiP2pDevice device = new WifiP2pDevice(); - device.deviceAddress = bssid; - group.setOwner(device); - } - mGroups.add(group); - isSaveRequired = true; - } - - if (reload || isSaveRequired) { - mWifiNative.saveConfig(); - sendP2pPersistentGroupsChangedBroadcast(); - } - } - - /** - * A config is valid if it has a peer address that has already been - * discovered - * @return true if it is invalid, false otherwise - */ - private boolean isConfigInvalid(WifiP2pConfig config) { - if (config == null) return true; - if (TextUtils.isEmpty(config.deviceAddress)) return true; - if (mPeers.get(config.deviceAddress) == null) return true; - return false; - } - - /* TODO: The supplicant does not provide group capability changes as an event. - * Having it pushed as an event would avoid polling for this information right - * before a connection - */ - private WifiP2pDevice fetchCurrentDeviceDetails(WifiP2pConfig config) { - /* Fetch & update group capability from supplicant on the device */ - int gc = mWifiNative.getGroupCapability(config.deviceAddress); - mPeers.updateGroupCapability(config.deviceAddress, gc); - return mPeers.get(config.deviceAddress); - } - - /** - * Start a p2p group negotiation and display pin if necessary - * @param config for the peer - */ - private void p2pConnectWithPinDisplay(WifiP2pConfig config) { - WifiP2pDevice dev = fetchCurrentDeviceDetails(config); - - String pin = mWifiNative.p2pConnect(config, dev.isGroupOwner()); - try { - Integer.parseInt(pin); - notifyInvitationSent(pin, config.deviceAddress); - } catch (NumberFormatException ignore) { - // do nothing if p2pConnect did not return a pin - } - } - - /** - * Reinvoke a persistent group. - * - * @param config for the peer - * @return true on success, false on failure - */ - private boolean reinvokePersistentGroup(WifiP2pConfig config) { - WifiP2pDevice dev = fetchCurrentDeviceDetails(config); - - boolean join = dev.isGroupOwner(); - String ssid = mWifiNative.p2pGetSsid(dev.deviceAddress); - if (DBG) logd("target ssid is " + ssid + " join:" + join); - - if (join && dev.isGroupLimit()) { - if (DBG) logd("target device reaches group limit."); - - // if the target group has reached the limit, - // try group formation. - join = false; - } else if (join) { - int netId = mGroups.getNetworkId(dev.deviceAddress, ssid); - if (netId >= 0) { - // Skip WPS and start 4way handshake immediately. - if (!mWifiNative.p2pGroupAdd(netId)) { - return false; - } - return true; - } - } - - if (!join && dev.isDeviceLimit()) { - loge("target device reaches the device limit."); - return false; - } - - if (!join && dev.isInvitationCapable()) { - int netId = WifiP2pGroup.PERSISTENT_NET_ID; - if (config.netId >= 0) { - if (config.deviceAddress.equals(mGroups.getOwnerAddr(config.netId))) { - netId = config.netId; - } - } else { - netId = mGroups.getNetworkId(dev.deviceAddress); - } - if (netId < 0) { - netId = getNetworkIdFromClientList(dev.deviceAddress); - } - if (DBG) logd("netId related with " + dev.deviceAddress + " = " + netId); - if (netId >= 0) { - // Invoke the persistent group. - if (mWifiNative.p2pReinvoke(netId, dev.deviceAddress)) { - // Save network id. It'll be used when an invitation result event is received. - config.netId = netId; - return true; - } else { - loge("p2pReinvoke() failed, update networks"); - updatePersistentNetworks(RELOAD); - return false; - } - } - } - - return false; - } - - /** - * Return the network id of the group owner profile which has the p2p client with - * the specified device address in it's client list. - * If more than one persistent group of the same address is present in its client - * lists, return the first one. - * - * @param deviceAddress p2p device address. - * @return the network id. if not found, return -1. - */ - private int getNetworkIdFromClientList(String deviceAddress) { - if (deviceAddress == null) return -1; - - Collection<WifiP2pGroup> groups = mGroups.getGroupList(); - for (WifiP2pGroup group : groups) { - int netId = group.getNetworkId(); - String[] p2pClientList = getClientList(netId); - if (p2pClientList == null) continue; - for (String client : p2pClientList) { - if (deviceAddress.equalsIgnoreCase(client)) { - return netId; - } - } - } - return -1; - } - - /** - * Return p2p client list associated with the specified network id. - * @param netId network id. - * @return p2p client list. if not found, return null. - */ - private String[] getClientList(int netId) { - String p2pClients = mWifiNative.getNetworkVariable(netId, "p2p_client_list"); - if (p2pClients == null) { - return null; - } - return p2pClients.split(" "); - } - - /** - * Remove the specified p2p client from the specified profile. - * @param netId network id of the profile. - * @param addr p2p client address to be removed. - * @param isRemovable if true, remove the specified profile if its client list becomes empty. - * @return whether removing the specified p2p client is successful or not. - */ - private boolean removeClientFromList(int netId, String addr, boolean isRemovable) { - StringBuilder modifiedClientList = new StringBuilder(); - String[] currentClientList = getClientList(netId); - boolean isClientRemoved = false; - if (currentClientList != null) { - for (String client : currentClientList) { - if (!client.equalsIgnoreCase(addr)) { - modifiedClientList.append(" "); - modifiedClientList.append(client); - } else { - isClientRemoved = true; - } - } - } - if (modifiedClientList.length() == 0 && isRemovable) { - // the client list is empty. so remove it. - if (DBG) logd("Remove unknown network"); - mGroups.remove(netId); - return true; - } - - if (!isClientRemoved) { - // specified p2p client is not found. already removed. - return false; - } - - if (DBG) logd("Modified client list: " + modifiedClientList); - if (modifiedClientList.length() == 0) { - modifiedClientList.append("\"\""); - } - mWifiNative.setNetworkVariable(netId, - "p2p_client_list", modifiedClientList.toString()); - mWifiNative.saveConfig(); - return true; - } - - private void setWifiP2pInfoOnGroupFormation(InetAddress serverInetAddress) { - mWifiP2pInfo.groupFormed = true; - mWifiP2pInfo.isGroupOwner = mGroup.isGroupOwner(); - mWifiP2pInfo.groupOwnerAddress = serverInetAddress; - } - - private void resetWifiP2pInfo() { - mWifiP2pInfo.groupFormed = false; - mWifiP2pInfo.isGroupOwner = false; - mWifiP2pInfo.groupOwnerAddress = null; - } - - private String getDeviceName(String deviceAddress) { - WifiP2pDevice d = mPeers.get(deviceAddress); - if (d != null) { - return d.deviceName; - } - //Treat the address as name if there is no match - return deviceAddress; - } - - private String getPersistedDeviceName() { - String deviceName = Settings.Global.getString(mContext.getContentResolver(), - Settings.Global.WIFI_P2P_DEVICE_NAME); - if (deviceName == null) { - /* We use the 4 digits of the ANDROID_ID to have a friendly - * default that has low likelihood of collision with a peer */ - String id = Settings.Secure.getString(mContext.getContentResolver(), - Settings.Secure.ANDROID_ID); - return "Android_" + id.substring(0,4); - } - return deviceName; - } - - private boolean setAndPersistDeviceName(String devName) { - if (devName == null) return false; - - if (!mWifiNative.setDeviceName(devName)) { - loge("Failed to set device name " + devName); - return false; - } - - mThisDevice.deviceName = devName; - mWifiNative.setP2pSsidPostfix("-" + mThisDevice.deviceName); - - Settings.Global.putString(mContext.getContentResolver(), - Settings.Global.WIFI_P2P_DEVICE_NAME, devName); - sendThisDeviceChangedBroadcast(); - return true; - } - - private boolean setWfdInfo(WifiP2pWfdInfo wfdInfo) { - boolean success; - - if (!wfdInfo.isWfdEnabled()) { - success = mWifiNative.setWfdEnable(false); - } else { - success = - mWifiNative.setWfdEnable(true) - && mWifiNative.setWfdDeviceInfo(wfdInfo.getDeviceInfoHex()); - } - - if (!success) { - loge("Failed to set wfd properties"); - return false; - } - - mThisDevice.wfdInfo = wfdInfo; - sendThisDeviceChangedBroadcast(); - return true; - } - - private void initializeP2pSettings() { - mWifiNative.setPersistentReconnect(true); - mThisDevice.deviceName = getPersistedDeviceName(); - mWifiNative.setDeviceName(mThisDevice.deviceName); - // DIRECT-XY-DEVICENAME (XY is randomly generated) - mWifiNative.setP2pSsidPostfix("-" + mThisDevice.deviceName); - mWifiNative.setDeviceType(mThisDevice.primaryDeviceType); - // Supplicant defaults to using virtual display with display - // which refers to a remote display. Use physical_display - mWifiNative.setConfigMethods("virtual_push_button physical_display keypad"); - // STA has higher priority over P2P - mWifiNative.setConcurrencyPriority("sta"); - - mThisDevice.deviceAddress = mWifiNative.p2pGetDeviceAddress(); - updateThisDevice(WifiP2pDevice.AVAILABLE); - if (DBG) logd("DeviceAddress: " + mThisDevice.deviceAddress); - - mClientInfoList.clear(); - mWifiNative.p2pFlush(); - mWifiNative.p2pServiceFlush(); - mServiceTransactionId = 0; - mServiceDiscReqId = null; - - String countryCode = Settings.Global.getString(mContext.getContentResolver(), - Settings.Global.WIFI_COUNTRY_CODE); - if (countryCode != null && !countryCode.isEmpty()) { - mP2pStateMachine.sendMessage(SET_COUNTRY_CODE, countryCode); - } - - updatePersistentNetworks(RELOAD); - } - - private void updateThisDevice(int status) { - mThisDevice.status = status; - sendThisDeviceChangedBroadcast(); - } - - private void handleGroupCreationFailure() { - resetWifiP2pInfo(); - mNetworkInfo.setDetailedState(NetworkInfo.DetailedState.FAILED, null, null); - sendP2pConnectionChangedBroadcast(); - - // Remove only the peer we failed to connect to so that other devices discovered - // that have not timed out still remain in list for connection - boolean peersChanged = mPeers.remove(mPeersLostDuringConnection); - if (mPeers.remove(mSavedPeerConfig.deviceAddress) != null) { - peersChanged = true; - } - if (peersChanged) { - sendPeersChangedBroadcast(); - } - - mPeersLostDuringConnection.clear(); - mServiceDiscReqId = null; - sendMessage(WifiP2pManager.DISCOVER_PEERS); - } - - private void handleGroupRemoved() { - if (mGroup.isGroupOwner()) { - stopDhcpServer(mGroup.getInterface()); - } else { - if (DBG) logd("stop DHCP client"); - mDhcpStateMachine.sendMessage(DhcpStateMachine.CMD_STOP_DHCP); - mDhcpStateMachine.doQuit(); - mDhcpStateMachine = null; - } - - try { - mNwService.clearInterfaceAddresses(mGroup.getInterface()); - } catch (Exception e) { - loge("Failed to clear addresses " + e); - } - NetworkUtils.resetConnections(mGroup.getInterface(), NetworkUtils.RESET_ALL_ADDRESSES); - - // Clear any timeout that was set. This is essential for devices - // that reuse the main p2p interface for a created group. - mWifiNative.setP2pGroupIdle(mGroup.getInterface(), 0); - - boolean peersChanged = false; - // Remove only peers part of the group, so that other devices discovered - // that have not timed out still remain in list for connection - for (WifiP2pDevice d : mGroup.getClientList()) { - if (mPeers.remove(d)) peersChanged = true; - } - if (mPeers.remove(mGroup.getOwner())) peersChanged = true; - if (mPeers.remove(mPeersLostDuringConnection)) peersChanged = true; - if (peersChanged) { - sendPeersChangedBroadcast(); - } - - mGroup = null; - mPeersLostDuringConnection.clear(); - mServiceDiscReqId = null; - - if (mTempoarilyDisconnectedWifi) { - mWifiChannel.sendMessage(WifiP2pService.DISCONNECT_WIFI_REQUEST, 0); - mTempoarilyDisconnectedWifi = false; - } - } - - //State machine initiated requests can have replyTo set to null indicating - //there are no recipients, we ignore those reply actions - private void replyToMessage(Message msg, int what) { - if (msg.replyTo == null) return; - Message dstMsg = obtainMessage(msg); - dstMsg.what = what; - mReplyChannel.replyToMessage(msg, dstMsg); - } - - private void replyToMessage(Message msg, int what, int arg1) { - if (msg.replyTo == null) return; - Message dstMsg = obtainMessage(msg); - dstMsg.what = what; - dstMsg.arg1 = arg1; - mReplyChannel.replyToMessage(msg, dstMsg); - } - - private void replyToMessage(Message msg, int what, Object obj) { - if (msg.replyTo == null) return; - Message dstMsg = obtainMessage(msg); - dstMsg.what = what; - dstMsg.obj = obj; - mReplyChannel.replyToMessage(msg, dstMsg); - } - - /* arg2 on the source message has a hash code that needs to be retained in replies - * see WifiP2pManager for details */ - private Message obtainMessage(Message srcMsg) { - Message msg = Message.obtain(); - msg.arg2 = srcMsg.arg2; - return msg; - } - - @Override - protected void logd(String s) { - Slog.d(TAG, s); - } - - @Override - protected void loge(String s) { - Slog.e(TAG, s); - } - - /** - * Update service discovery request to wpa_supplicant. - */ - private boolean updateSupplicantServiceRequest() { - clearSupplicantServiceRequest(); - - StringBuffer sb = new StringBuffer(); - for (ClientInfo c: mClientInfoList.values()) { - int key; - WifiP2pServiceRequest req; - for (int i=0; i < c.mReqList.size(); i++) { - req = c.mReqList.valueAt(i); - if (req != null) { - sb.append(req.getSupplicantQuery()); - } - } - } - - if (sb.length() == 0) { - return false; - } - - mServiceDiscReqId = mWifiNative.p2pServDiscReq("00:00:00:00:00:00", sb.toString()); - if (mServiceDiscReqId == null) { - return false; - } - return true; - } - - /** - * Clear service discovery request in wpa_supplicant - */ - private void clearSupplicantServiceRequest() { - if (mServiceDiscReqId == null) return; - - mWifiNative.p2pServDiscCancelReq(mServiceDiscReqId); - mServiceDiscReqId = null; - } - - /* TODO: We could track individual service adds separately and avoid - * having to do update all service requests on every new request - */ - private boolean addServiceRequest(Messenger m, WifiP2pServiceRequest req) { - clearClientDeadChannels(); - ClientInfo clientInfo = getClientInfo(m, true); - if (clientInfo == null) { - return false; - } - - ++mServiceTransactionId; - //The Wi-Fi p2p spec says transaction id should be non-zero - if (mServiceTransactionId == 0) ++mServiceTransactionId; - req.setTransactionId(mServiceTransactionId); - clientInfo.mReqList.put(mServiceTransactionId, req); - - if (mServiceDiscReqId == null) { - return true; - } - - return updateSupplicantServiceRequest(); - } - - private void removeServiceRequest(Messenger m, WifiP2pServiceRequest req) { - ClientInfo clientInfo = getClientInfo(m, false); - if (clientInfo == null) { - return; - } - - //Application does not have transaction id information - //go through stored requests to remove - boolean removed = false; - for (int i=0; i<clientInfo.mReqList.size(); i++) { - if (req.equals(clientInfo.mReqList.valueAt(i))) { - removed = true; - clientInfo.mReqList.removeAt(i); - break; - } - } - - if (!removed) return; - - if (clientInfo.mReqList.size() == 0 && clientInfo.mServList.size() == 0) { - if (DBG) logd("remove client information from framework"); - mClientInfoList.remove(clientInfo.mMessenger); - } - - if (mServiceDiscReqId == null) { - return; - } - - updateSupplicantServiceRequest(); - } - - private void clearServiceRequests(Messenger m) { - - ClientInfo clientInfo = getClientInfo(m, false); - if (clientInfo == null) { - return; - } - - if (clientInfo.mReqList.size() == 0) { - return; - } - - clientInfo.mReqList.clear(); - - if (clientInfo.mServList.size() == 0) { - if (DBG) logd("remove channel information from framework"); - mClientInfoList.remove(clientInfo.mMessenger); - } - - if (mServiceDiscReqId == null) { - return; - } - - updateSupplicantServiceRequest(); - } - - private boolean addLocalService(Messenger m, WifiP2pServiceInfo servInfo) { - clearClientDeadChannels(); - ClientInfo clientInfo = getClientInfo(m, true); - if (clientInfo == null) { - return false; - } - - if (!clientInfo.mServList.add(servInfo)) { - return false; - } - - if (!mWifiNative.p2pServiceAdd(servInfo)) { - clientInfo.mServList.remove(servInfo); - return false; - } - - return true; - } - - private void removeLocalService(Messenger m, WifiP2pServiceInfo servInfo) { - ClientInfo clientInfo = getClientInfo(m, false); - if (clientInfo == null) { - return; - } - - mWifiNative.p2pServiceDel(servInfo); - - clientInfo.mServList.remove(servInfo); - if (clientInfo.mReqList.size() == 0 && clientInfo.mServList.size() == 0) { - if (DBG) logd("remove client information from framework"); - mClientInfoList.remove(clientInfo.mMessenger); - } - } - - private void clearLocalServices(Messenger m) { - ClientInfo clientInfo = getClientInfo(m, false); - if (clientInfo == null) { - return; - } - - for (WifiP2pServiceInfo servInfo: clientInfo.mServList) { - mWifiNative.p2pServiceDel(servInfo); - } - - clientInfo.mServList.clear(); - if (clientInfo.mReqList.size() == 0) { - if (DBG) logd("remove client information from framework"); - mClientInfoList.remove(clientInfo.mMessenger); - } - } - - private void clearClientInfo(Messenger m) { - clearLocalServices(m); - clearServiceRequests(m); - } - - /** - * Send the service response to the WifiP2pManager.Channel. - * - * @param resp - */ - private void sendServiceResponse(WifiP2pServiceResponse resp) { - for (ClientInfo c : mClientInfoList.values()) { - WifiP2pServiceRequest req = c.mReqList.get(resp.getTransactionId()); - if (req != null) { - Message msg = Message.obtain(); - msg.what = WifiP2pManager.RESPONSE_SERVICE; - msg.arg1 = 0; - msg.arg2 = 0; - msg.obj = resp; - try { - c.mMessenger.send(msg); - } catch (RemoteException e) { - if (DBG) logd("detect dead channel"); - clearClientInfo(c.mMessenger); - return; - } - } - } - } - - /** - * We dont get notifications of clients that have gone away. - * We detect this actively when services are added and throw - * them away. - * - * TODO: This can be done better with full async channels. - */ - private void clearClientDeadChannels() { - ArrayList<Messenger> deadClients = new ArrayList<Messenger>(); - - for (ClientInfo c : mClientInfoList.values()) { - Message msg = Message.obtain(); - msg.what = WifiP2pManager.PING; - msg.arg1 = 0; - msg.arg2 = 0; - msg.obj = null; - try { - c.mMessenger.send(msg); - } catch (RemoteException e) { - if (DBG) logd("detect dead channel"); - deadClients.add(c.mMessenger); - } - } - - for (Messenger m : deadClients) { - clearClientInfo(m); - } - } - - /** - * Return the specified ClientInfo. - * @param m Messenger - * @param createIfNotExist if true and the specified channel info does not exist, - * create new client info. - * @return the specified ClientInfo. - */ - private ClientInfo getClientInfo(Messenger m, boolean createIfNotExist) { - ClientInfo clientInfo = mClientInfoList.get(m); - - if (clientInfo == null && createIfNotExist) { - if (DBG) logd("add a new client"); - clientInfo = new ClientInfo(m); - mClientInfoList.put(m, clientInfo); - } - - return clientInfo; - } - - } - - /** - * Information about a particular client and we track the service discovery requests - * and the local services registered by the client. - */ - private class ClientInfo { - - /* - * A reference to WifiP2pManager.Channel handler. - * The response of this request is notified to WifiP2pManager.Channel handler - */ - private Messenger mMessenger; - - /* - * A service discovery request list. - */ - private SparseArray<WifiP2pServiceRequest> mReqList; - - /* - * A local service information list. - */ - private List<WifiP2pServiceInfo> mServList; - - private ClientInfo(Messenger m) { - mMessenger = m; - mReqList = new SparseArray(); - mServList = new ArrayList<WifiP2pServiceInfo>(); - } - } -} |