113 lines
4.3 KiB
Java
113 lines
4.3 KiB
Java
/* Copyright (C) 2016-2017 Andreas Shimokawa, Carsten Pfeiffer
|
|
|
|
This file is part of Gadgetbridge.
|
|
|
|
Gadgetbridge is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published
|
|
by the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Gadgetbridge is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
package nodomain.freeyourgadget.gadgetbridge.service.devices.miband;
|
|
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
/**
|
|
* Abstract Mi firmware info class with two child info instances.
|
|
*/
|
|
public abstract class CompositeMiFirmwareInfo<T extends AbstractMiFirmwareInfo> extends AbstractMiFirmwareInfo {
|
|
private static final Logger LOG = LoggerFactory.getLogger(CompositeMiFirmwareInfo.class);
|
|
|
|
private final T fw1Info;
|
|
private final T fw2Info;
|
|
|
|
protected CompositeMiFirmwareInfo(byte[] wholeFirmwareBytes, T info1, T info2) {
|
|
super(wholeFirmwareBytes);
|
|
fw1Info = info1;
|
|
fw2Info = info2;
|
|
}
|
|
|
|
@Override
|
|
public void checkValid() throws IllegalArgumentException {
|
|
super.checkValid();
|
|
|
|
if (getFirst().getFirmwareOffset() == getSecond().getFirmwareOffset()) {
|
|
throw new IllegalArgumentException("Illegal firmware offsets: " + getLengthsOffsetsString());
|
|
}
|
|
if (getFirst().getFirmwareOffset() < 0 || getSecond().getFirmwareOffset() < 0
|
|
|| getFirst().getFirmwareLength() <= 0 || getSecond().getFirmwareLength() <= 0) {
|
|
throw new IllegalArgumentException("Illegal firmware offsets/lengths: " + getLengthsOffsetsString());
|
|
}
|
|
|
|
int firstEndIndex = getFirst().getFirmwareOffset() + getFirst().getFirmwareLength();
|
|
if (getSecond().getFirmwareOffset() < firstEndIndex) {
|
|
throw new IllegalArgumentException("Invalid firmware, second fw starts before first fw ends: " + firstEndIndex + "," + getSecond().getFirmwareOffset());
|
|
}
|
|
int secondEndIndex = getSecond().getFirmwareOffset();
|
|
if (wholeFirmwareBytes.length < firstEndIndex || wholeFirmwareBytes.length < secondEndIndex) {
|
|
throw new IllegalArgumentException("Invalid firmware size, or invalid offsets/lengths: " + getLengthsOffsetsString());
|
|
}
|
|
|
|
getFirst().checkValid();
|
|
getSecond().checkValid();
|
|
}
|
|
|
|
protected String getLengthsOffsetsString() {
|
|
return getFirst().getFirmwareOffset() + "," + getFirst().getFirmwareLength()
|
|
+ "; "
|
|
+ getSecond().getFirmwareOffset() + "," + getSecond().getFirmwareLength();
|
|
}
|
|
|
|
@Override
|
|
public T getFirst() {
|
|
return fw1Info;
|
|
}
|
|
|
|
@Override
|
|
public T getSecond() {
|
|
return fw2Info;
|
|
}
|
|
|
|
@Override
|
|
protected boolean isGenerallySupportedFirmware() {
|
|
try {
|
|
if (!isHeaderValid()) {
|
|
LOG.info("unrecognized header");
|
|
return false;
|
|
}
|
|
return fw1Info.isGenerallySupportedFirmware()
|
|
&& fw2Info.isGenerallySupportedFirmware()
|
|
&& fw1Info.getFirmwareBytes().length > 0
|
|
&& fw2Info.getFirmwareBytes().length > 0;
|
|
} catch (IndexOutOfBoundsException ex) {
|
|
LOG.warn("invalid firmware or bug: " + ex.getLocalizedMessage(), ex);
|
|
return false;
|
|
} catch (IllegalArgumentException ex) {
|
|
LOG.warn("not supported 1S firmware: " + ex.getLocalizedMessage(), ex);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public int getFirmwareOffset() {
|
|
throw new UnsupportedOperationException("call this method on getFirmwareXInfo()");
|
|
}
|
|
|
|
@Override
|
|
public int getFirmwareLength() {
|
|
throw new UnsupportedOperationException("call this method on getFirmwareXInfo()");
|
|
}
|
|
|
|
@Override
|
|
public int getFirmwareVersion() {
|
|
throw new UnsupportedOperationException("call this method on getFirmwareXInfo()");
|
|
}
|
|
}
|