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/*
* Copyright (C) 2010 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.
*/
/**
* File : LLCPServerSocket.java
* Original-Author : Trusted Logic S.A. (Daniel Tomas)
* Created : 18-02-2010
*/
package com.trustedlogic.trustednfc.android;
import java.io.IOException;
import com.trustedlogic.trustednfc.android.internal.ErrorCodes;
import android.os.RemoteException;
import android.util.Log;
/**
* LlcpServiceSocket represents a LLCP Service to be used in a
* Connection-oriented communication
*
* @since AA02.01
* @hide
*/
public class LlcpServiceSocket {
private static final String TAG = "LlcpServiceSocket";
/**
* The handle returned by the NFC service and used to identify the LLCP
* Service socket in every call of this class.
*
* @hide
*/
protected int mHandle;
/**
* The entry point for LLCP Service socket operations.
*
* @hide
*/
protected ILlcpServiceSocket mService;
private ILlcpSocket mLlcpSocketService;
static LlcpException convertErrorToLlcpException(int errorCode) {
return convertErrorToLlcpException(errorCode, null);
}
static LlcpException convertErrorToLlcpException(int errorCode,
String message) {
if (message == null) {
message = "";
} else {
message = " (" + message + ")";
}
switch (errorCode) {
case ErrorCodes.ERROR_SOCKET_CREATION:
return new LlcpException(
"Error during the creation of an Llcp socket" + message);
case ErrorCodes.ERROR_INSUFFICIENT_RESOURCES:
return new LlcpException("Not enough ressources are available"
+ message);
default:
return new LlcpException("Unkown error code " + errorCode + message);
}
}
/**
* Internal constructor for the LlcpServiceSocket class.
*
* @param service
* The entry point to the Nfc Service for LlcpServiceSocket
* class.
* @param handle
* The handle returned by the NFC service and used to identify
* the socket in subsequent calls.
* @hide
*/
LlcpServiceSocket(ILlcpServiceSocket service, ILlcpSocket socketService, int handle) {
this.mService = service;
this.mHandle = handle;
this.mLlcpSocketService = socketService;
}
/**
* Wait for incomming connection request from a LLCP client and accept this
* request
*
* @return socket object to be used to communicate with a LLCP client
*
* @throws IOException
* if the llcp link is lost or deactivated
* @throws LlcpException
* if not enough ressources are available
*
* @see LlcpSocket
* @since AA02.01
*/
public LlcpSocket accept() throws IOException, LlcpException {
try {
int handle = mService.accept(mHandle);
// Handle potential errors
if (ErrorCodes.isError(handle)) {
if (handle == ErrorCodes.ERROR_IO) {
throw new IOException();
} else {
throw convertErrorToLlcpException(handle);
}
}
// Build the public LlcpSocket object
return new LlcpSocket(mLlcpSocketService, handle);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in accept(): ", e);
return null;
}
}
/**
* Set the timeout for the accept request
*
* @param timeout
* value of the timeout for the accept request
* @since AA02.01
*/
public void setAcceptTimeout(int timeout) {
try {
mService.setAcceptTimeout(mHandle, timeout);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in setAcceptTimeout(): ", e);
}
}
/**
* Get the timeout value of the accept request
*
* @return mTimeout
* @since AA02.01
*/
public int getAcceptTimeout() {
try {
return mService.getAcceptTimeout(mHandle);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in getAcceptTimeout(): ", e);
return 0;
}
}
/**
* Close the created Llcp Service socket
*
* @since AA02.01
*/
public void close() {
try {
mService.close(mHandle);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException in close(): ", e);
}
}
}
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