android-35/android/bluetooth/BluetoothSocketException.java - platform/prebuilts/fullsdk/sources - Git at Google

 /*
  * Copyright (C) 2023 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.bluetooth;

 import static java.lang.annotation.RetentionPolicy.SOURCE;

 import android.annotation.FlaggedApi;
 import android.annotation.IntDef;
 import android.annotation.NonNull;

 import com.android.bluetooth.flags.Flags;

 import java.io.IOException;
 import java.lang.annotation.Retention;

 /**
  * Thrown when an error occurs during a Bluetooth Socket related exception.
  *
  * <p>This is currently only intended to be thrown for a failure during {@link
  * BluetoothSocket#connect()} operation.
  */
 public class BluetoothSocketException extends IOException {

     @Retention(SOURCE)
     @IntDef({
         UNSPECIFIED,
         L2CAP_UNKNOWN,
         L2CAP_ACL_FAILURE,
         L2CAP_CLIENT_SECURITY_FAILURE,
         L2CAP_INSUFFICIENT_AUTHENTICATION,
         L2CAP_INSUFFICIENT_AUTHORIZATION,
         L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE,
         L2CAP_INSUFFICIENT_ENCRYPTION,
         L2CAP_INVALID_SOURCE_CID,
         L2CAP_SOURCE_CID_ALREADY_ALLOCATED,
         L2CAP_UNACCEPTABLE_PARAMETERS,
         L2CAP_INVALID_PARAMETERS,
         L2CAP_NO_RESOURCES,
         L2CAP_NO_PSM_AVAILABLE,
         L2CAP_TIMEOUT,
         BLUETOOTH_OFF_FAILURE,
         SOCKET_MANAGER_FAILURE,
         SOCKET_CLOSED,
         SOCKET_CONNECTION_FAILURE,
         NULL_DEVICE,
         RPC_FAILURE,
         UNIX_FILE_SOCKET_CREATION_FAILURE,
     })
     private @interface ErrorCode {}

     /**
      * Error code representing a failure during {@link BluetoothSocket}. The reason for failure
      * isn't specified.
      */
     public static final int UNSPECIFIED = 0;

     /**
      * Error code during connect when socket connection fails for unknown reason during L2CAP
      * connection.
      */
     public static final int L2CAP_UNKNOWN = 1;

     /** Error code during connect when there is an ACL connection failure. */
     public static final int L2CAP_ACL_FAILURE = 2;

     /**
      * Error code during connect when security clearance fails on the client during L2CAP
      * connection.
      */
     public static final int L2CAP_CLIENT_SECURITY_FAILURE = 3;

     /**
      * Error code during connect when authentication fails on the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_INSUFFICIENT_AUTHENTICATION = 4;

     /**
      * Error code during connect when authorization fails on the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_INSUFFICIENT_AUTHORIZATION = 5;

     /**
      * Error code during connect indicating insufficient encryption key size on the peer device
      * during L2CAP connection.
      */
     public static final int L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE = 6;

     /**
      * Error code during connect for insufficient encryption from the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_INSUFFICIENT_ENCRYPTION = 7;

     /**
      * Error code during connect for invalid Channel ID from the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_INVALID_SOURCE_CID = 8;

     /**
      * Error code during connect for already allocated Channel ID from the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_SOURCE_CID_ALREADY_ALLOCATED = 9;

     /**
      * Error code during connect for unacceptable Parameters from the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_UNACCEPTABLE_PARAMETERS = 10;

     /**
      * Error code during connect for invalid parameters from the peer device during L2CAP
      * connection.
      */
     public static final int L2CAP_INVALID_PARAMETERS = 11;

     /** Error code during connect when no resources are available for L2CAP connection. */
     public static final int L2CAP_NO_RESOURCES = 12;

     /** Error code during connect when no PSM is available for L2CAP connection. */
     public static final int L2CAP_NO_PSM_AVAILABLE = 13;

     /** Error code during connect when L2CAP connection timeout. */
     public static final int L2CAP_TIMEOUT = 14;

     /** Error code during connect when Bluetooth is off and socket connection is triggered. */
     public static final int BLUETOOTH_OFF_FAILURE = 15;

     /** Error code during connect when socket manager is not available. */
     public static final int SOCKET_MANAGER_FAILURE = 16;

     /** Error code during connect when socket is closed. */
     public static final int SOCKET_CLOSED = 17;

     /** Error code during connect for generic socket connection failures. */
     public static final int SOCKET_CONNECTION_FAILURE = 18;

     /** Error code during connect when null device attempts to do socket connection. */
     public static final int NULL_DEVICE = 19;

     /** Error code during connect when a Runtime RPC exception occurs. */
     public static final int RPC_FAILURE = 20;

     /** Error code during connect when the UNIX socket connection creation fails. */
     @FlaggedApi(Flags.FLAG_UNIX_FILE_SOCKET_CREATION_FAILURE)
     public static final int UNIX_FILE_SOCKET_CREATION_FAILURE = 21;

     /* Corresponding messages for respective error codes. */
     private static final String UNSPECIFIED_MSG = "A Bluetooth Socket failure occurred";
     private static final String L2CAP_UNKNOWN_MSG = "Connection failed for unknown reason";
     private static final String L2CAP_ACL_FAILURE_MSG = "ACL connection failed";
     private static final String L2CAP_CLIENT_SECURITY_FAILURE_MSG =
             "Client security clearance failed";
     private static final String L2CAP_INSUFFICIENT_AUTHENTICATION_MSG =
             "Insufficient authentication";
     private static final String L2CAP_INSUFFICIENT_AUTHORIZATION_MSG = "Insufficient authorization";
     private static final String L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE_MSG =
             "Insufficient encryption key size";
     private static final String L2CAP_INSUFFICIENT_ENCRYPTION_MSG = "Insufficient encryption";
     private static final String L2CAP_INVALID_SOURCE_CID_MSG = "Invalid source CID";
     private static final String L2CAP_SOURCE_CID_ALREADY_ALLOCATED_MSG =
             "Source CID already allocated";
     private static final String L2CAP_UNACCEPTABLE_PARAMETERS_MSG = "Unacceptable Parameters";
     private static final String L2CAP_INVALID_PARAMETERS_MSG = "Invalid Parameters";
     private static final String L2CAP_NO_RESOURCES_MSG = "No resources Available";
     private static final String L2CAP_NO_PSM_AVAILABLE_MSG = "No PSM available";
     private static final String L2CAP_TIMEOUT_MSG = "Connection Timeout";
     private static final String BLUETOOTH_OFF_FAILURE_MSG = "Bluetooth is off";
     private static final String SOCKET_MANAGER_FAILURE_MSG = "bt get socket manager failed";
     private static final String SOCKET_CLOSED_MSG = "socket closed";
     private static final String SOCKET_CONNECTION_FAILURE_MSG = "bt socket connect failed";
     private static final String NULL_DEVICE_MSG = "Connect is called on null device";
     private static final String UNIX_FILE_SOCKET_CREATION_FAILURE_MSG =
             "Null file descriptor returned";

     @ErrorCode private final int mErrorCode;

     /**
      * Create a {@link BluetoothSocketException} with an error code and custom error message.
      *
      * @param code : error code representing the reason for failure.
      * @param msg : Custom error message associated to the failure.
      */
     public BluetoothSocketException(@ErrorCode int code, @NonNull String msg) {
         super(msg);
         this.mErrorCode = code;
     }

     /**
      * Create a {@link BluetoothSocketException} with an error code. A generic error message is
      * generated based on the {@code code} provided.
      *
      * @param code : error code representing the reason for failure.
      */
     public BluetoothSocketException(@ErrorCode int code) {
         this(code, getMessage(code));
     }

     /** Returns the error code associated to this failure. */
     public @ErrorCode int getErrorCode() {
         return mErrorCode;
     }

     private static String getMessage(@ErrorCode int code) {
         switch (code) {
             case BLUETOOTH_OFF_FAILURE:
                 return BLUETOOTH_OFF_FAILURE_MSG;
             case SOCKET_MANAGER_FAILURE:
                 return SOCKET_MANAGER_FAILURE_MSG;
             case SOCKET_CLOSED:
                 return SOCKET_CLOSED_MSG;
             case SOCKET_CONNECTION_FAILURE:
                 return SOCKET_CONNECTION_FAILURE_MSG;
             case NULL_DEVICE:
                 return NULL_DEVICE_MSG;
             case UNIX_FILE_SOCKET_CREATION_FAILURE:
                 return UNIX_FILE_SOCKET_CREATION_FAILURE_MSG;
             case L2CAP_ACL_FAILURE:
                 return L2CAP_ACL_FAILURE_MSG;
             case L2CAP_CLIENT_SECURITY_FAILURE:
                 return L2CAP_CLIENT_SECURITY_FAILURE_MSG;
             case L2CAP_INSUFFICIENT_AUTHENTICATION:
                 return L2CAP_INSUFFICIENT_AUTHENTICATION_MSG;
             case L2CAP_INSUFFICIENT_AUTHORIZATION:
                 return L2CAP_INSUFFICIENT_AUTHORIZATION_MSG;
             case L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE:
                 return L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE_MSG;
             case L2CAP_INSUFFICIENT_ENCRYPTION:
                 return L2CAP_INSUFFICIENT_ENCRYPTION_MSG;
             case L2CAP_INVALID_SOURCE_CID:
                 return L2CAP_INVALID_SOURCE_CID_MSG;
             case L2CAP_SOURCE_CID_ALREADY_ALLOCATED:
                 return L2CAP_SOURCE_CID_ALREADY_ALLOCATED_MSG;
             case L2CAP_UNACCEPTABLE_PARAMETERS:
                 return L2CAP_UNACCEPTABLE_PARAMETERS_MSG;
             case L2CAP_INVALID_PARAMETERS:
                 return L2CAP_INVALID_PARAMETERS_MSG;
             case L2CAP_NO_RESOURCES:
                 return L2CAP_NO_RESOURCES_MSG;
             case L2CAP_NO_PSM_AVAILABLE:
                 return L2CAP_NO_PSM_AVAILABLE_MSG;
             case L2CAP_TIMEOUT:
                 return L2CAP_TIMEOUT_MSG;
             case L2CAP_UNKNOWN:
                 return L2CAP_UNKNOWN_MSG;
             case UNSPECIFIED:
             default:
                 return UNSPECIFIED_MSG;
         }
     }
 }
	/*
	* Copyright (C) 2023 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.bluetooth;

	import static java.lang.annotation.RetentionPolicy.SOURCE;

	import android.annotation.FlaggedApi;
	import android.annotation.IntDef;
	import android.annotation.NonNull;

	import com.android.bluetooth.flags.Flags;

	import java.io.IOException;
	import java.lang.annotation.Retention;

	/**
	* Thrown when an error occurs during a Bluetooth Socket related exception.
	*
	* <p>This is currently only intended to be thrown for a failure during {@link
	* BluetoothSocket#connect()} operation.
	*/
	public class BluetoothSocketException extends IOException {

	@Retention(SOURCE)
	@IntDef({
	UNSPECIFIED,
	L2CAP_UNKNOWN,
	L2CAP_ACL_FAILURE,
	L2CAP_CLIENT_SECURITY_FAILURE,
	L2CAP_INSUFFICIENT_AUTHENTICATION,
	L2CAP_INSUFFICIENT_AUTHORIZATION,
	L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE,
	L2CAP_INSUFFICIENT_ENCRYPTION,
	L2CAP_INVALID_SOURCE_CID,
	L2CAP_SOURCE_CID_ALREADY_ALLOCATED,
	L2CAP_UNACCEPTABLE_PARAMETERS,
	L2CAP_INVALID_PARAMETERS,
	L2CAP_NO_RESOURCES,
	L2CAP_NO_PSM_AVAILABLE,
	L2CAP_TIMEOUT,
	BLUETOOTH_OFF_FAILURE,
	SOCKET_MANAGER_FAILURE,
	SOCKET_CLOSED,
	SOCKET_CONNECTION_FAILURE,
	NULL_DEVICE,
	RPC_FAILURE,
	UNIX_FILE_SOCKET_CREATION_FAILURE,
	})
	private @interface ErrorCode {}

	/**
	* Error code representing a failure during {@link BluetoothSocket}. The reason for failure
	* isn't specified.
	*/
	public static final int UNSPECIFIED = 0;

	/**
	* Error code during connect when socket connection fails for unknown reason during L2CAP
	* connection.
	*/
	public static final int L2CAP_UNKNOWN = 1;

	/** Error code during connect when there is an ACL connection failure. */
	public static final int L2CAP_ACL_FAILURE = 2;

	/**
	* Error code during connect when security clearance fails on the client during L2CAP
	* connection.
	*/
	public static final int L2CAP_CLIENT_SECURITY_FAILURE = 3;

	/**
	* Error code during connect when authentication fails on the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_INSUFFICIENT_AUTHENTICATION = 4;

	/**
	* Error code during connect when authorization fails on the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_INSUFFICIENT_AUTHORIZATION = 5;

	/**
	* Error code during connect indicating insufficient encryption key size on the peer device
	* during L2CAP connection.
	*/
	public static final int L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE = 6;

	/**
	* Error code during connect for insufficient encryption from the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_INSUFFICIENT_ENCRYPTION = 7;

	/**
	* Error code during connect for invalid Channel ID from the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_INVALID_SOURCE_CID = 8;

	/**
	* Error code during connect for already allocated Channel ID from the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_SOURCE_CID_ALREADY_ALLOCATED = 9;

	/**
	* Error code during connect for unacceptable Parameters from the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_UNACCEPTABLE_PARAMETERS = 10;

	/**
	* Error code during connect for invalid parameters from the peer device during L2CAP
	* connection.
	*/
	public static final int L2CAP_INVALID_PARAMETERS = 11;

	/** Error code during connect when no resources are available for L2CAP connection. */
	public static final int L2CAP_NO_RESOURCES = 12;

	/** Error code during connect when no PSM is available for L2CAP connection. */
	public static final int L2CAP_NO_PSM_AVAILABLE = 13;

	/** Error code during connect when L2CAP connection timeout. */
	public static final int L2CAP_TIMEOUT = 14;

	/** Error code during connect when Bluetooth is off and socket connection is triggered. */
	public static final int BLUETOOTH_OFF_FAILURE = 15;

	/** Error code during connect when socket manager is not available. */
	public static final int SOCKET_MANAGER_FAILURE = 16;

	/** Error code during connect when socket is closed. */
	public static final int SOCKET_CLOSED = 17;

	/** Error code during connect for generic socket connection failures. */
	public static final int SOCKET_CONNECTION_FAILURE = 18;

	/** Error code during connect when null device attempts to do socket connection. */
	public static final int NULL_DEVICE = 19;

	/** Error code during connect when a Runtime RPC exception occurs. */
	public static final int RPC_FAILURE = 20;

	/** Error code during connect when the UNIX socket connection creation fails. */
	@FlaggedApi(Flags.FLAG_UNIX_FILE_SOCKET_CREATION_FAILURE)
	public static final int UNIX_FILE_SOCKET_CREATION_FAILURE = 21;

	/* Corresponding messages for respective error codes. */
	private static final String UNSPECIFIED_MSG = "A Bluetooth Socket failure occurred";
	private static final String L2CAP_UNKNOWN_MSG = "Connection failed for unknown reason";
	private static final String L2CAP_ACL_FAILURE_MSG = "ACL connection failed";
	private static final String L2CAP_CLIENT_SECURITY_FAILURE_MSG =
	"Client security clearance failed";
	private static final String L2CAP_INSUFFICIENT_AUTHENTICATION_MSG =
	"Insufficient authentication";
	private static final String L2CAP_INSUFFICIENT_AUTHORIZATION_MSG = "Insufficient authorization";
	private static final String L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE_MSG =
	"Insufficient encryption key size";
	private static final String L2CAP_INSUFFICIENT_ENCRYPTION_MSG = "Insufficient encryption";
	private static final String L2CAP_INVALID_SOURCE_CID_MSG = "Invalid source CID";
	private static final String L2CAP_SOURCE_CID_ALREADY_ALLOCATED_MSG =
	"Source CID already allocated";
	private static final String L2CAP_UNACCEPTABLE_PARAMETERS_MSG = "Unacceptable Parameters";
	private static final String L2CAP_INVALID_PARAMETERS_MSG = "Invalid Parameters";
	private static final String L2CAP_NO_RESOURCES_MSG = "No resources Available";
	private static final String L2CAP_NO_PSM_AVAILABLE_MSG = "No PSM available";
	private static final String L2CAP_TIMEOUT_MSG = "Connection Timeout";
	private static final String BLUETOOTH_OFF_FAILURE_MSG = "Bluetooth is off";
	private static final String SOCKET_MANAGER_FAILURE_MSG = "bt get socket manager failed";
	private static final String SOCKET_CLOSED_MSG = "socket closed";
	private static final String SOCKET_CONNECTION_FAILURE_MSG = "bt socket connect failed";
	private static final String NULL_DEVICE_MSG = "Connect is called on null device";
	private static final String UNIX_FILE_SOCKET_CREATION_FAILURE_MSG =
	"Null file descriptor returned";

	@ErrorCode private final int mErrorCode;

	/**
	* Create a {@link BluetoothSocketException} with an error code and custom error message.
	*
	* @param code : error code representing the reason for failure.
	* @param msg : Custom error message associated to the failure.
	*/
	public BluetoothSocketException(@ErrorCode int code, @NonNull String msg) {
	super(msg);
	this.mErrorCode = code;
	}

	/**
	* Create a {@link BluetoothSocketException} with an error code. A generic error message is
	* generated based on the {@code code} provided.
	*
	* @param code : error code representing the reason for failure.
	*/
	public BluetoothSocketException(@ErrorCode int code) {
	this(code, getMessage(code));
	}

	/** Returns the error code associated to this failure. */
	public @ErrorCode int getErrorCode() {
	return mErrorCode;
	}

	private static String getMessage(@ErrorCode int code) {
	switch (code) {
	case BLUETOOTH_OFF_FAILURE:
	return BLUETOOTH_OFF_FAILURE_MSG;
	case SOCKET_MANAGER_FAILURE:
	return SOCKET_MANAGER_FAILURE_MSG;
	case SOCKET_CLOSED:
	return SOCKET_CLOSED_MSG;
	case SOCKET_CONNECTION_FAILURE:
	return SOCKET_CONNECTION_FAILURE_MSG;
	case NULL_DEVICE:
	return NULL_DEVICE_MSG;
	case UNIX_FILE_SOCKET_CREATION_FAILURE:
	return UNIX_FILE_SOCKET_CREATION_FAILURE_MSG;
	case L2CAP_ACL_FAILURE:
	return L2CAP_ACL_FAILURE_MSG;
	case L2CAP_CLIENT_SECURITY_FAILURE:
	return L2CAP_CLIENT_SECURITY_FAILURE_MSG;
	case L2CAP_INSUFFICIENT_AUTHENTICATION:
	return L2CAP_INSUFFICIENT_AUTHENTICATION_MSG;
	case L2CAP_INSUFFICIENT_AUTHORIZATION:
	return L2CAP_INSUFFICIENT_AUTHORIZATION_MSG;
	case L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE:
	return L2CAP_INSUFFICIENT_ENCRYPT_KEY_SIZE_MSG;
	case L2CAP_INSUFFICIENT_ENCRYPTION:
	return L2CAP_INSUFFICIENT_ENCRYPTION_MSG;
	case L2CAP_INVALID_SOURCE_CID:
	return L2CAP_INVALID_SOURCE_CID_MSG;
	case L2CAP_SOURCE_CID_ALREADY_ALLOCATED:
	return L2CAP_SOURCE_CID_ALREADY_ALLOCATED_MSG;
	case L2CAP_UNACCEPTABLE_PARAMETERS:
	return L2CAP_UNACCEPTABLE_PARAMETERS_MSG;
	case L2CAP_INVALID_PARAMETERS:
	return L2CAP_INVALID_PARAMETERS_MSG;
	case L2CAP_NO_RESOURCES:
	return L2CAP_NO_RESOURCES_MSG;
	case L2CAP_NO_PSM_AVAILABLE:
	return L2CAP_NO_PSM_AVAILABLE_MSG;
	case L2CAP_TIMEOUT:
	return L2CAP_TIMEOUT_MSG;
	case L2CAP_UNKNOWN:
	return L2CAP_UNKNOWN_MSG;
	case UNSPECIFIED:
	default:
	return UNSPECIFIED_MSG;
	}
	}
	}