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Merge "Prepare for exposing p2p API"

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This commit is contained in:
Irfan Sheriff
2011-09-01 21:46:54 -07:00
committed by Android (Google) Code Review
parent 9b69a04e24 9cc2718abc
commit 1d5f9cdc46
5 changed files with 298 additions and 55 deletions
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6
wifi/java/android/net/wifi/WpsConfiguration.java
View File

@@ -46,16 +46,21 @@ public class WpsConfiguration implements Parcelable {
public Setup setup;
/** @hide */
public String BSSID;
public String pin;
/** @hide */
public IpAssignment ipAssignment;
/** @hide */
public ProxySettings proxySettings;
/** @hide */
public LinkProperties linkProperties;
/** @hide */
public WpsConfiguration() {
setup = Setup.INVALID;
BSSID = null;
@@ -65,6 +70,7 @@ public class WpsConfiguration implements Parcelable {
linkProperties = new LinkProperties();
}
/** @hide */
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append(" setup: ").append(setup.toString());

10
wifi/java/android/net/wifi/p2p/WifiP2pConfig.java
View File

@@ -27,11 +27,6 @@ import android.os.Parcel;
*/
public class WifiP2pConfig implements Parcelable {
/**
* Device name
*/
public String deviceName;
/**
* Device address
*/
@@ -53,6 +48,7 @@ public class WifiP2pConfig implements Parcelable {
/**
* Indicates whether the configuration is saved
* @hide
*/
public enum Persist {
SYSTEM_DEFAULT,
@@ -60,6 +56,7 @@ public class WifiP2pConfig implements Parcelable {
NO
}
/** @hide */
public Persist persist = Persist.SYSTEM_DEFAULT;
public WifiP2pConfig() {
@@ -110,7 +107,6 @@ public class WifiP2pConfig implements Parcelable {
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append("Device: ").append(deviceName);
sbuf.append("\n address: ").append(deviceAddress);
sbuf.append("\n wps: ").append(wpsConfig);
sbuf.append("\n groupOwnerIntent: ").append(groupOwnerIntent);
@@ -132,7 +128,6 @@ public class WifiP2pConfig implements Parcelable {
/** Implement the Parcelable interface {@hide} */
public void writeToParcel(Parcel dest, int flags) {
dest.writeString(deviceName);
dest.writeString(deviceAddress);
dest.writeParcelable(wpsConfig, flags);
dest.writeInt(groupOwnerIntent);
@@ -144,7 +139,6 @@ public class WifiP2pConfig implements Parcelable {
new Creator<WifiP2pConfig>() {
public WifiP2pConfig createFromParcel(Parcel in) {
WifiP2pConfig config = new WifiP2pConfig();
config.deviceName = in.readString();
config.deviceAddress = in.readString();
config.wpsConfig = (WpsConfiguration) in.readParcelable(null);
config.groupOwnerIntent = in.readInt();

2
wifi/java/android/net/wifi/p2p/WifiP2pGroup.java
View File

@@ -69,7 +69,7 @@ public class WifiP2pGroup implements Parcelable {
}
/**
* @param string formats supported include
* @param supplicantEvent formats supported include
*
* P2P-GROUP-STARTED p2p-wlan0-0 [client|GO] ssid="DIRECT-W8" freq=2437
* [psk=2182b2e50e53f260d04f3c7b25ef33c965a3291b9b36b455a82d77fd82ca15bc|

4
wifi/java/android/net/wifi/p2p/WifiP2pInfo.java
View File

@@ -34,9 +34,11 @@ public class WifiP2pInfo implements Parcelable {
public InetAddress groupOwnerAddress;
public WifiP2pInfo() {
/** @hide */
WifiP2pInfo() {
}
/** @hide */
public String toString() {
StringBuffer sbuf = new StringBuffer();
sbuf.append("groupFormed: ").append(groupFormed)

331
wifi/java/android/net/wifi/p2p/WifiP2pManager.java
View File

@@ -35,25 +35,64 @@ import com.android.internal.util.AsyncChannel;
import com.android.internal.util.Protocol;
/**
* This class provides the API for managing Wi-Fi p2p
* connectivity. Get an instance of this class by calling
* {@link android.content.Context#getSystemService(String)
* This class provides the API for managing Wi-Fi peer-to-peer connectivity. This lets an
* application discover available peers, setup connection to peers and query for the list of peers.
* When a p2p connection is formed over wifi, the device continues to maintain the uplink
* connection over mobile or any other available network for internet connectivity on the device.
*
* <p> The API is asynchronous and response to a request from an application is sent in the form
* of a {@link android.os.Message} on a {@link android.os.Handler} that needs to be initialized
* by the application right at the beginning before any p2p operations are performed via
* {@link #initialize}.
*
* <p> An application can request for the current list of peers using {@link #requestPeers}. The
* {@link #RESPONSE_PEERS} message on the handler indicates that the peer list is available.
* Use {@link #peersInResponse} to extract the peer device list upon the receiving the
* {@link #RESPONSE_PEERS} message.
*
* <p> If an application needs to initiate a discovery, use {@link #discoverPeers} and listen
* to {@link #WIFI_P2P_PEERS_CHANGED_ACTION} intent action to initiate a request to fetch
* list of peers with {@link #requestPeers}. An initiated discovery request from an application
* stays active until the device starts connecting to a peer or forms a p2p group.
*
* <p> An application can initiate a connection request to a peer through {@link #connect}. See
* {@link WifiP2pConfig} for details on setting up the configuration. For communication with legacy
* Wi-Fi devices that do not support p2p, an app can create a group using {@link #createGroup}
* which creates an access point whose details can be fetched with {@link #requestGroupInfo}.
*
* <p> After a successful group formation through {@link #createGroup} or through {@link #connect},
* use {@link #requestConnectionInfo} to fetch the connection details. Connection information
* can be obtained with {@link #connectionInfoInResponse} on a {@link #RESPONSE_CONNECTION_INFO}
* message. The connection info {@link WifiP2pInfo} contains the address of the group owner
* {@link WifiP2pInfo#groupOwnerAddress} and a flag {@link #WifiP2pInfo#isGroupOwner} to indicate
* if the current device is a p2p group owner. A p2p client can thus communicate with
* the p2p group owner through a socket connection.
*
* <p> Android has no platform support for service discovery yet, so applications could
* run a service discovery protocol to discover services on the peer-to-peer netework.
*
* <p class="note"><strong>Note:</strong>
* Registering an application handler with {@link #initialize} requires the permissions
* {@link android.Manifest.permission#ACCESS_WIFI_STATE} and
* {@link android.Manifest.permission#CHANGE_WIFI_STATE} to perform any further peer-to-peer
* operations.
*
* Get an instance of this class by calling {@link android.content.Context#getSystemService(String)
* Context.getSystemService(Context.WIFI_P2P_SERVICE)}.
*
* It deals with the following:
* <ul>
* <li>Wi-Fi peer discovery and connection setup. Allows applications to initiate a discovery to
* find available peers and then setup a connection </li>
* <li>Configuration and status query. Allows applications to fetch the current list
* of available and connected peers and query connection status </li>
* <li>Intent actions that are broadcast to track operations
* on a p2p connection</li>
* </ul>
* {@see WifiP2pConfig}
* {@see WifiP2pInfo}
* {@see WifiP2pGroup}
* {@see WifiP2pDevice}
* {@see WifiP2pDeviceList}
* @hide
*/
public class WifiP2pManager {
/**
* Broadcast intent action to indicate whether Wi-Fi p2p is enabled or disabled.
* Broadcast intent action to indicate whether Wi-Fi p2p is enabled or disabled. An
* extra {@link #EXTRA_WIFI_STATE} provides the state information as int.
*
* @see #EXTRA_WIFI_STATE
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String WIFI_P2P_STATE_CHANGED_ACTION =
@@ -72,7 +111,6 @@ public class WifiP2pManager {
* Wi-Fi p2p is disabled.
*
* @see #WIFI_P2P_STATE_CHANGED_ACTION
* @see #getWifiP2pState()
*/
public static final int WIFI_P2P_STATE_DISABLED = 1;
@@ -80,14 +118,16 @@ public class WifiP2pManager {
* Wi-Fi p2p is enabled.
*
* @see #WIFI_P2P_STATE_CHANGED_ACTION
* @see #getWifiP2pState()
*/
public static final int WIFI_P2P_STATE_ENABLED = 2;
/**
* Broadcast intent action indicating that the state of Wi-Fi p2p connectivity
* has changed. One extra provides the new state
* in the form of a {@link android.net.NetworkInfo} object.
* has changed. One extra {@link #EXTRA_WIFI_P2P_INFO} provides the p2p connection info in
* the form of a {@link WifiP2pInfo} object. Another extra {@link #EXTRA_NETWORK_INFO} provides
* the network info in the form of a {@link android.net.NetworkInfo}.
*
* @see #EXTRA_WIFI_P2P_INFO
* @see #EXTRA_NETWORK_INFO
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
@@ -124,7 +164,8 @@ public class WifiP2pManager {
public static final String EXTRA_LINK_CAPABILITIES = "linkCapabilities";
/**
* Broadcast intent action indicating that the available peer list has changed
* Broadcast intent action indicating that the available peer list has changed. Fetch
* the changed list of peers with {@link #requestPeers}
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String WIFI_P2P_PEERS_CHANGED_ACTION =
@@ -134,6 +175,7 @@ public class WifiP2pManager {
* Activity Action: Pick a Wi-Fi p2p network to connect to.
* <p>Input: Nothing.
* <p>Output: Nothing.
* @hide
*/
@SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
public static final String ACTION_PICK_WIFI_P2P_NETWORK =
@@ -141,47 +183,169 @@ public class WifiP2pManager {
IWifiP2pManager mService;
/* AsyncChannel notifications to apps */
public static final int HANDLER_CONNECTION = AsyncChannel.CMD_CHANNEL_HALF_CONNECTED;
/**
* Message {@link android.os.Message#what} sent on the application handler specified
* at {@link #initialize} indicating the asynchronous channel has disconnected. An
* application could choose to reconnect with {@link #initialize}
*/
public static final int HANDLER_DISCONNECTION = AsyncChannel.CMD_CHANNEL_DISCONNECTED;
private static final int BASE = Protocol.BASE_WIFI_P2P_MANAGER;
/** @hide */
public static final int ENABLE_P2P = BASE + 1;
/** @hide */
public static final int ENABLE_P2P_FAILED = BASE + 2;
/** @hide */
public static final int ENABLE_P2P_SUCCEEDED = BASE + 3;
/** @hide */
public static final int DISABLE_P2P = BASE + 4;
/** @hide */
public static final int DISABLE_P2P_FAILED = BASE + 5;
/** @hide */
public static final int DISABLE_P2P_SUCCEEDED = BASE + 6;
/** @hide */
public static final int DISCOVER_PEERS = BASE + 7;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #discoverPeers}
* operation failed.
* <p> The reason for failure could be one of {@link #P2P_UNSUPPORTED}, {@link #P2P_DISABLED}
* or {@link #ALREADY_IN_EFFECT}
*/
public static final int DISCOVER_PEERS_FAILED = BASE + 8;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #discoverPeers}
* operation succeeded.
* <p> The application can register for {@link #WIFI_P2P_PEERS_CHANGED_ACTION} intent
* to listen for changes in the peer list as a result of the discovery process.
*/
public static final int DISCOVER_PEERS_SUCCEEDED = BASE + 9;
/** @hide */
public static final int CONNECT = BASE + 10;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #connect}
* operation failed.
* <p> The reason for failure could be one of {@link #P2P_UNSUPPORTED}, {@link #P2P_DISABLED}
* or {@link #ALREADY_IN_EFFECT}
*/
public static final int CONNECT_FAILED = BASE + 11;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #connect}
* operation succeeded.
* <p> The application can register for {@link #WIFI_P2P_CONNECTION_CHANGED_ACTION} intent
* to listen for connectivity change as a result of the connect operation
*/
public static final int CONNECT_SUCCEEDED = BASE + 12;
/** @hide */
public static final int CREATE_GROUP = BASE + 13;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #createGroup}
* operation failed.
* <p> The reason for failure could be one of {@link #P2P_UNSUPPORTED}, {@link #P2P_DISABLED}
* or {@link #ALREADY_IN_EFFECT}
*/
public static final int CREATE_GROUP_FAILED = BASE + 14;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #createGroup}
* operation succeeded.
* <p> The application can request the group details with {@link #requestGroupInfo}
*/
public static final int CREATE_GROUP_SUCCEEDED = BASE + 15;
/** @hide */
public static final int REMOVE_GROUP = BASE + 16;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #removeGroup}
* operation failed.
* <p> The reason for failure could be one of {@link #P2P_UNSUPPORTED}, {@link #P2P_DISABLED}
* or {@link #ALREADY_IN_EFFECT}
*/
public static final int REMOVE_GROUP_FAILED = BASE + 17;
/**
* Message {@link android.os.Message#what} value indicating that the {@link #removeGroup}
* operation succeeded.
*/
public static final int REMOVE_GROUP_SUCCEEDED = BASE + 18;
public static final int REQUEST_PEERS = BASE + 19;
public static final int RESPONSE_PEERS = BASE + 20;
public static final int REQUEST_CONNECTION_INFO = BASE + 21;
public static final int RESPONSE_CONNECTION_INFO = BASE + 22;
/* arg1 values on response messages from the framework */
/**
* Supported {@link android.os.Message#arg1} value on the following response messages:
* {@link #DISCOVER_PEERS_FAILED}, {@link #CONNECT_FAILED}, {@link #CREATE_GROUP_FAILED}
* and {@link #REMOVE_GROUP_FAILED}
*
* <p> This indicates that the reason for failure is because p2p is unsupported on the
* device
*/
public static final int P2P_UNSUPPORTED = 1;
/**
* Supported {@link android.os.Message#arg1} value on the following response messages:
* {@link #DISCOVER_PEERS_FAILED}, {@link #CONNECT_FAILED}, {@link #CREATE_GROUP_FAILED}
* and {@link #REMOVE_GROUP_FAILED}
*
* <p> This indicates that the reason for failure is because p2p is currently disabled
* by the user
*/
public static final int P2P_DISABLED = 2;
/**
* Supported {@link android.os.Message#arg1} value on the following response messages:
* {@link #DISCOVER_PEERS_FAILED}, {@link #CONNECT_FAILED}, {@link #CREATE_GROUP_FAILED}
* and {@link #REMOVE_GROUP_FAILED}
*
* <p> This indicates that the reason for failure is because the operation is already in
* effect
*/
public static final int ALREADY_IN_EFFECT = 3;
/** @hide */
public static final int REQUEST_PEERS = BASE + 19;
/**
* Message {@link android.os.Message#what} delivered on the application hander
* in response to a {@link #requestPeers} call from the application.
*
* <p> Extract a {@link WifiP2pDeviceList} object by calling {@link #peersInResponse}
* on the message object
*/
public static final int RESPONSE_PEERS = BASE + 20;
/** @hide */
public static final int REQUEST_CONNECTION_INFO = BASE + 21;
/**
* Message {@link android.os.Message#what} delivered on the application hander
* in response to a {@link #requestConnectionInfo} call from the application.
*
* <p> Extract a {@link WifiP2pInfo} object by calling {@link #connectionInfoInResponse}
* on the message object
*/
public static final int RESPONSE_CONNECTION_INFO = BASE + 22;
/** @hide */
public static final int REQUEST_GROUP_INFO = BASE + 23;
/**
* Message {@link android.os.Message#what} delivered on the application hander
* in response to a {@link #requestGroupInfo} call from the application.
*
* <p> Extract a {@link WifiP2pGroup} object by calling {@link #groupInfoInResponse}
* on the message object
*/
public static final int RESPONSE_GROUP_INFO = BASE + 24;
/** @hide */
public static final int WPS_PBC = BASE + 23;
/** @hide */
public static final int WPS_PIN = BASE + 24;
/** @hide */
public static final int WPS_PIN_AVAILABLE = BASE + 25;
/**
@@ -199,7 +363,8 @@ public class WifiP2pManager {
/**
* A channel that connects the application handler to the Wifi framework.
* All p2p operations are performed on a channel.
* Most p2p operations require a Channel as an argument. An instance of Channel is obtained
* by doing a call on {@link #initialize}
*/
public class Channel {
Channel(AsyncChannel c) {
@@ -210,10 +375,17 @@ public class WifiP2pManager {
/**
* Registers the application handler with the Wi-Fi framework. This function
* must be the first to be called before any p2p control or query operations can be performed.
* must be the first to be called before any p2p operations are performed.
*
* <p class="note"><strong>Note:</strong>
* The handler registered with the framework should only handle messages
* with {@link android.os.Message#what} values defined in this file. Adding application
* specific private {@link android.os.Message#what} types should be done on a seperate handler
*
* @param srcContext is the context of the source
* @param srcHandler is the handler on which the source receives messages
* @return Channel instance that is necessary for performing p2p operations
* @param srcHandler is the handler on which the source will receive message responses
* asynchronously
* @return Channel instance that is necessary for performing any further p2p operations
*/
public Channel initialize(Context srcContext, Handler srcHandler) {
Messenger messenger = getMessenger();
@@ -229,6 +401,7 @@ public class WifiP2pManager {
}
}
/** @hide */
public boolean isP2pSupported() {
try {
return mService.isP2pSupported();
@@ -240,6 +413,7 @@ public class WifiP2pManager {
/**
* Sends in a request to the system to enable p2p. This will pop up a dialog
* to the user and upon authorization will enable p2p.
* @hide
*/
public void enableP2p(Channel c) {
if (c == null) return;
@@ -249,6 +423,7 @@ public class WifiP2pManager {
/**
* Sends in a request to the system to disable p2p. This will pop up a dialog
* to the user and upon authorization will enable p2p.
* @hide
*/
public void disableP2p(Channel c) {
if (c == null) return;
@@ -256,7 +431,22 @@ public class WifiP2pManager {
}
/**
* Initiates peer discovery
* Initiate peer discovery. A discovery process involves scanning for available Wi-Fi peers
* for the purpose of establishing a connection.
*
* <p> The function call immediately returns after sending a discovery request
* to the framework. The application handler is notified of a success or failure to initiate
* discovery with {@link #DISCOVER_PEERS_SUCCEEDED} or {@link #DISCOVER_PEERS_FAILED}.
*
* <p> The discovery remains active until a connection is initiated or
* a p2p group is formed. Register for {@link #WIFI_P2P_PEERS_CHANGED_ACTION} intent to
* determine when the framework notifies of a change as peers are discovered.
*
* <p> Upon receiving a {@link #WIFI_P2P_PEERS_CHANGED_ACTION} intent, an application
* can request for the list of peers using {@link #requestPeers} which will deliver a
* {@link #RESPONSE_PEERS} message on the application handler. The application can then
* extract a {@link WifiP2pDeviceList} object by calling {@link #peersInResponse}
* on the message.
*/
public void discoverPeers(Channel c) {
if (c == null) return;
@@ -264,9 +454,23 @@ public class WifiP2pManager {
}
/**
* Start a p2p connection
* Start a p2p connection to a device with the specified configuration.
*
* @param peer Configuration described in a {@link WifiP2pConfig} object.
* <p> The function call immediately returns after sending a connection request
* to the framework. The application handler is notified of a success or failure to initiate
* connectivity with {@link #CONNECT_SUCCEEDED} or {@link #CONNECT_FAILED}.
*
* <p> Register for {@link #WIFI_P2P_CONNECTION_CHANGED_ACTION} intent to
* determine when the framework notifies of a change in connectivity.
*
* <p> If the current device is not part of a p2p group, a connect request initiates
* a group negotiation with the peer.
*
* <p> If the current device is part of an existing p2p group or has created
* a p2p group with {@link #createGroup}, an invitation to join the group is sent to
* the peer device.
*
* @param config options as described in {@link WifiP2pConfig} class.
*/
public void connect(Channel c, WifiP2pConfig config) {
if (c == null) return;
@@ -274,8 +478,20 @@ public class WifiP2pManager {
}
/**
* Create a p2p group. This is essentially an access point that can accept
* client connections.
* Create a p2p group with the current device as the group owner. This essentially creates
* an access point that can accept connections from legacy clients as well as other p2p
* devices.
* <p> For p2p operation, this would normally not be used unless the current device needs
* to form a p2p connection with a legacy client
*
* <p> The function call immediately returns after sending a group creation request
* to the framework. The application handler is notified of a success or failure to create
* group with {@link #CREATE_GROUP_SUCCEEDED} or {@link #CREATE_GROUP_FAILED}.
*
* <p> Application can request for the group details with {@link #requestGroupInfo} which will
* deliver a {@link #RESPONSE_GROUP_INFO} message on the application handler. The application
* can then extract a {@link WifiP2pGroup} object by calling {@link #groupInfoInResponse}
* on the message.
*/
public void createGroup(Channel c) {
if (c == null) return;
@@ -283,8 +499,11 @@ public class WifiP2pManager {
}
/**
* Remove the current group. This also removes the p2p interface created
* during group formation.
* Remove the current p2p group.
*
* <p> The function call immediately returns after sending a group removal request
* to the framework. The application handler is notified of a success or failure to remove
* a group with {@link #REMOVE_GROUP_SUCCEEDED} or {@link #REMOVE_GROUP_FAILED}.
*/
public void removeGroup(Channel c) {
if (c == null) return;
@@ -292,8 +511,9 @@ public class WifiP2pManager {
}
/**
* Request the list of peers. This returns a RESPONSE_PEERS on the source
* handler.
* Request the current list of peers. This returns a {@link #RESPONSE_PEERS} on the application
* handler. The {@link #RESPONSE_PEERS} message on the handler indicates that the peer list is
* available. Use {@link #peersInResponse} to extract {@link WifiP2pDeviceList} from the message
*/
public void requestPeers(Channel c) {
if (c == null) return;
@@ -301,15 +521,18 @@ public class WifiP2pManager {
}
/**
* Fetch device list from a RESPONSE_PEERS message
* Upon receiving a {@link #RESPONSE_PEERS} on the application handler, an application
* can extract the peer device list using this function.
*/
public WifiP2pDeviceList peersInResponse(Message msg) {
return (WifiP2pDeviceList) msg.obj;
}
/**
* Request device connection info. This returns a RESPONSE_CONNECTION_INFO on
* the source handler.
* Request device connection info. This returns a {@link #RESPONSE_CONNECTION_INFO} on
* the application handler. The {@link #RESPONSE_CONNECTION_INFO} message on the handler
* indicates that connection info is available. Use {@link #connectionInfoInResponse} to
* extract {@link WifiP2pInfo} from the message.
*/
public void requestConnectionInfo(Channel c) {
if (c == null) return;
@@ -317,12 +540,31 @@ public class WifiP2pManager {
}
/**
* Fetch p2p connection status from a RESPONSE_CONNECTION_INFO message
* Upon receiving a {@link #RESPONSE_CONNECTION_INFO} on the application handler, an application
* can extract the connection info using this function.
*/
public WifiP2pInfo connectionInfoInResponse(Message msg) {
return (WifiP2pInfo) msg.obj;
}
/**
* Request p2p group info. This returns a {@link #RESPONSE_GROUP_INFO} on
* the application handler. The {@link #RESPONSE_GROUP_INFO} message on the handler
* indicates that group info is available. Use {@link #groupInfoInResponse} to
* extract {@link WifiP2pGroup} from the message.
*/
public void requestGroupInfo(Channel c) {
if (c == null) return;
c.mAsyncChannel.sendMessage(REQUEST_GROUP_INFO);
}
/**
* Upon receiving a {@link #RESPONSE_GROUP_INFO} on the application handler, an application
* can extract the group info using this function.
*/
public WifiP2pGroup groupInfoInResponse(Message msg) {
return (WifiP2pGroup) msg.obj;
}
/**
* Get a reference to WifiP2pService handler. This is used to establish
@@ -339,7 +581,6 @@ public class WifiP2pManager {
}
}
/**
* Setup DNS connectivity on the current process to the connected Wi-Fi p2p peers
*