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/*
* Copyright (C) 2006, 2012 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 com.android.internal.telephony.uicc;
import android.compat.annotation.UnsupportedAppUsage;
import android.content.Context;
import android.os.Build;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.IndentingPrintWriter;
import com.android.internal.telephony.CommandsInterface;
import com.android.internal.telephony.uicc.IccCardStatus.CardState;
import com.android.internal.telephony.uicc.IccSlotStatus.MultipleEnabledProfilesMode;
import com.android.internal.telephony.uicc.euicc.EuiccCard;
import com.android.internal.telephony.uicc.euicc.EuiccPort;
import com.android.internal.telephony.util.TelephonyUtils;
import com.android.telephony.Rlog;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.LinkedHashMap;
/**
* {@hide}
*/
public class UiccCard {
protected static final String LOG_TAG = "UiccCard";
protected static final boolean DBG = true;
public static final String EXTRA_ICC_CARD_ADDED =
"com.android.internal.telephony.uicc.ICC_CARD_ADDED";
// The lock object is created by UiccSlot that owns this UiccCard - this is to share the lock
// between UiccSlot, UiccCard, EuiccCard, UiccPort, EuiccPort and UiccProfile for now.
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
protected final Object mLock;
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
private CardState mCardState;
protected String mCardId;
protected MultipleEnabledProfilesMode mSupportedMepMode;
protected LinkedHashMap<Integer, UiccPort> mUiccPorts = new LinkedHashMap<>();
private HashMap<Integer, Integer> mPhoneIdToPortIdx = new HashMap<>();
public UiccCard(Context c, CommandsInterface ci, IccCardStatus ics, int phoneId, Object lock,
MultipleEnabledProfilesMode supportedMepMode) {
if (DBG) log("Creating");
mCardState = ics.mCardState;
mLock = lock;
mSupportedMepMode = supportedMepMode;
update(c, ci, ics, phoneId);
}
/**
* Dispose the card and its related UiccPort objects.
*/
public void dispose() {
synchronized (mLock) {
if (DBG) log("Disposing card");
for (UiccPort uiccPort : mUiccPorts.values()) {
if (uiccPort != null) {
uiccPort.dispose();
}
}
mUiccPorts.clear();
mUiccPorts = null;
mPhoneIdToPortIdx.clear();
mPhoneIdToPortIdx = null;
}
}
/**
* Dispose the port corresponding to the port index.
*/
public void disposePort(int portIndex) {
synchronized (mLock) {
if (DBG) log("Disposing port for index " + portIndex);
UiccPort port = getUiccPort(portIndex);
if (port != null) {
mPhoneIdToPortIdx.remove(port.getPhoneId());
port.dispose();
}
mUiccPorts.remove(portIndex);
}
}
/**
* Update card. The main trigger for this is a change in the ICC Card status.
*/
public void update(Context c, CommandsInterface ci, IccCardStatus ics, int phoneId) {
synchronized (mLock) {
mCardState = ics.mCardState;
updateCardId(ics.iccid);
if (mCardState != CardState.CARDSTATE_ABSENT) {
int portIdx = ics.mSlotPortMapping.mPortIndex;
UiccPort port = mUiccPorts.get(portIdx);
if (port == null) {
if (this instanceof EuiccCard) {
port = new EuiccPort(c, ci, ics, phoneId, mLock, this,
mSupportedMepMode); // eSim
} else {
port = new UiccPort(c, ci, ics, phoneId, mLock, this); // pSim
}
mUiccPorts.put(portIdx, port);
} else {
port.update(c, ci, ics, this);
}
mPhoneIdToPortIdx.put(phoneId, portIdx);
} else {
throw new RuntimeException("Card state is absent when updating!");
}
}
}
@Override
protected void finalize() {
if (DBG) log("UiccCard finalized");
}
/**
* Updates the ID of the SIM card.
*
* <p>Whenever the {@link UiccCard#update(Context, CommandsInterface, IccCardStatus, int)}
* is called, this function needs to be called to update the card ID. Subclasses of
* {@link UiccCard} could override this function to set the {@link UiccCard#mCardId} to be
* something else instead of setting iccId.</p>
*/
protected void updateCardId(String iccId) {
mCardId = iccId;
}
/**
* Updates MEP(Multiple Enabled Profile) supported mode flag.
*
* <p>If IccSlotStatus comes later, the number of ports reported is only known after the
* UiccCard creation which will impact UICC MEP capability.
*/
public void updateSupportedMepMode(MultipleEnabledProfilesMode supportedMepMode) {
mSupportedMepMode = supportedMepMode;
}
@UnsupportedAppUsage
public CardState getCardState() {
synchronized (mLock) {
return mCardState;
}
}
/**
* Returns the ID of this SIM card, it is the ICCID of the active profile on the card for a UICC
* card or the EID of the card for an eUICC card.
*/
public String getCardId() {
if (!TextUtils.isEmpty(mCardId)) {
return mCardId;
} else {
UiccPort uiccPort = mUiccPorts.get(TelephonyManager.DEFAULT_PORT_INDEX);
if (uiccPort == null) {
return null;
}
UiccProfile uiccProfile = uiccPort.getUiccProfile();
return uiccProfile == null ? null : uiccProfile.getIccId();
}
}
/**
* Returns all the UiccPorts associated with the card.
*/
public UiccPort[] getUiccPortList() {
synchronized (mLock) {
return mUiccPorts.values().stream().toArray(UiccPort[]::new);
}
}
/**
* Returns the UiccPort associated with the given phoneId
*/
public UiccPort getUiccPortForPhone(int phoneId) {
synchronized (mLock) {
return mUiccPorts.get(mPhoneIdToPortIdx.get(phoneId));
}
}
/**
* Returns the UiccPort associated with the given port index.
*/
public UiccPort getUiccPort(int portIdx) {
synchronized (mLock) {
return mUiccPorts.get(portIdx);
}
}
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
private void log(String msg) {
Rlog.d(LOG_TAG, msg);
}
@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
private void loge(String msg) {
Rlog.e(LOG_TAG, msg);
}
public void dump(FileDescriptor fd, PrintWriter printWriter, String[] args) {
IndentingPrintWriter pw = new IndentingPrintWriter(printWriter, " ");
pw.println("UiccCard:");
pw.increaseIndent();
pw.println("mCardState=" + mCardState);
pw.println("mCardId=" + Rlog.pii(TelephonyUtils.IS_DEBUGGABLE, mCardId));
pw.println("mNumberOfPorts=" + mUiccPorts.size());
pw.println("mSupportedMepMode=" + mSupportedMepMode);
pw.println("mUiccPorts= size=" + mUiccPorts.size());
pw.increaseIndent();
for (UiccPort uiccPort : mUiccPorts.values()) {
uiccPort.dump(fd, pw, args);
}
pw.decreaseIndent();
pw.decreaseIndent();
}
}
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