Gadgetbridge/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/DatalogSession.java

95 lines
3.2 KiB
Java

/* Copyright (C) 2016-2017 Andreas Shimokawa
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.pebble;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.ByteBuffer;
import java.util.UUID;
import nodomain.freeyourgadget.gadgetbridge.deviceevents.GBDeviceEvent;
import nodomain.freeyourgadget.gadgetbridge.deviceevents.pebble.GBDeviceEventDataLogging;
class DatalogSession {
private static final Logger LOG = LoggerFactory.getLogger(DatalogSession.class);
final byte id;
final int tag;
final UUID uuid;
final byte itemType;
final short itemSize;
final int timestamp;
String taginfo = "(unknown)";
DatalogSession(byte id, UUID uuid, int timestamp, int tag, byte itemType, short itemSize) {
this.id = id;
this.tag = tag;
this.uuid = uuid;
this.timestamp = timestamp;
this.itemType = itemType;
this.itemSize = itemSize;
}
GBDeviceEvent[] handleMessage(ByteBuffer buf, int length) {
return new GBDeviceEvent[]{null};
}
String getTaginfo() {
return taginfo;
}
GBDeviceEvent[] handleMessageForPebbleKit(ByteBuffer buf, int length) {
if (0 != (length % itemSize)) {
LOG.warn("invalid length");
return null;
}
int packetCount = length / itemSize;
if (packetCount <= 0) {
LOG.warn("invalid number of datalog elements");
return null;
}
GBDeviceEventDataLogging dataLogging = new GBDeviceEventDataLogging();
dataLogging.command = GBDeviceEventDataLogging.COMMAND_RECEIVE_DATA;
dataLogging.appUUID = uuid;
dataLogging.timestamp = timestamp & 0xffffffffL;
dataLogging.tag = tag;
dataLogging.pebbleDataType = itemType;
dataLogging.data = new Object[packetCount];
for (int i = 0; i < packetCount; i++) {
switch (itemType) {
case PebbleProtocol.TYPE_BYTEARRAY:
byte[] itemData = new byte[itemSize];
buf.get(itemData);
dataLogging.data[i] = itemData;
break;
case PebbleProtocol.TYPE_UINT:
dataLogging.data[i] = buf.getInt() & 0xffffffffL;
break;
case PebbleProtocol.TYPE_INT:
dataLogging.data[i] = buf.getInt();
break;
}
}
return new GBDeviceEvent[]{dataLogging, null};
}
}