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Pebble: Add generic method for Blobdb endpoint for deduplicating code.

This commit is contained in:
Andreas Shimokawa 2015-08-21 14:29:12 +02:00
parent 2b0acd649b
commit 6e80978998
1 changed files with 48 additions and 60 deletions
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108
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java
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@ -178,6 +178,7 @@ public class PebbleProtocol extends GBDeviceProtocol {
static final short LENGTH_APPFETCH = 2;
static final short LENGTH_APPRUNSTATE = 17;
static final short LENGTH_BLOBDB = 21;
static final short LENGTH_PING = 5;
static final short LENGTH_PHONEVERSION = 17;
static final short LENGTH_REMOVEAPP_2X = 17;
@ -396,6 +397,37 @@ public class PebbleProtocol extends GBDeviceProtocol {
return buf.array();
}
private byte[] encodeBlobdb(UUID uuid, byte command, byte db, byte[] blob) {
int length = LENGTH_BLOBDB;
if (blob != null) {
length += blob.length + 2;
}
ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + length);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort((short) length);
buf.putShort(ENDPOINT_BLOBDB);
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.put(command);
buf.putShort((short) mRandom.nextInt()); // token
buf.put(db);
buf.put(LENGTH_UUID);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putLong(uuid.getMostSignificantBits());
buf.putLong(uuid.getLeastSignificantBits());
buf.order(ByteOrder.LITTLE_ENDIAN);
if (blob != null) {
buf.putShort((short) blob.length);
buf.put(blob);
}
return buf.array();
}
private byte[] encodeBlobdbNotification(int timestamp, String title, String subtitle, String body, byte type) {
String[] parts = {title, subtitle, body};
@ -408,7 +440,6 @@ public class PebbleProtocol extends GBDeviceProtocol {
icon_id = 45;
}
// Calculate length first
final short BLOBDB_LENGTH = 23;
final short NOTIFICATION_PIN_LENGTH = 46;
final short ACTIONS_LENGTH = 17;
@ -432,31 +463,18 @@ public class PebbleProtocol extends GBDeviceProtocol {
attributes_length += ACTIONS_LENGTH;
}
short length = (short) (BLOBDB_LENGTH + NOTIFICATION_PIN_LENGTH + attributes_length);
UUID uuid = UUID.randomUUID();
short pin_length = (short) (NOTIFICATION_PIN_LENGTH + attributes_length);
// Encode Prefix
ByteBuffer buf = ByteBuffer.allocate(length + LENGTH_PREFIX);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort(length);
buf.putShort(ENDPOINT_BLOBDB);
buf.order(ByteOrder.LITTLE_ENDIAN);
// blobdb - 23 bytes
buf.put(BLOBDB_INSERT);
buf.putShort((short) mRandom.nextInt()); // token
buf.put(BLOBDB_NOTIFICATION);
buf.put(LENGTH_UUID); // uuid length
byte[] uuid_buf = new byte[LENGTH_UUID];
mRandom.nextBytes(uuid_buf);
buf.put(uuid_buf); // random UUID
buf.putShort(pin_length); // length of the encapsulated data
ByteBuffer buf = ByteBuffer.allocate(pin_length);
// pin - 46 bytes
buf.put(uuid_buf); // random UUID
buf.put(uuid_buf); // parent UUID
buf.order(ByteOrder.BIG_ENDIAN);
buf.putLong(uuid.getMostSignificantBits());
buf.putLong(uuid.getLeastSignificantBits());
buf.putLong(uuid.getMostSignificantBits());
buf.putLong(uuid.getLeastSignificantBits());
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.putInt(timestamp); // 32-bit timestamp
buf.putShort((short) 0); // duration
buf.put((byte) 0x01); // type (0x01 = notification)
@ -498,36 +516,16 @@ public class PebbleProtocol extends GBDeviceProtocol {
buf.put(actionstring.getBytes());
}
return buf.array();
return encodeBlobdb(UUID.randomUUID(), BLOBDB_INSERT, BLOBDB_NOTIFICATION, buf.array());
}
public byte[] encodeInstallMetadata(UUID uuid, String appName, short appVersion, short sdkVersion, int flags, int iconId) {
// Calculate length first
final short BLOBDB_LENGTH = 23;
final short METADATA_LENGTH = 126;
final short length = (short) (BLOBDB_LENGTH + METADATA_LENGTH);
byte[] name_buf = new byte[96];
System.arraycopy(appName.getBytes(), 0, name_buf, 0, appName.length());
ByteBuffer buf = ByteBuffer.allocate(length + LENGTH_PREFIX);
ByteBuffer buf = ByteBuffer.allocate(METADATA_LENGTH);
// Encode Prefix
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort(length);
buf.putShort(ENDPOINT_BLOBDB);
buf.order(ByteOrder.LITTLE_ENDIAN);
// blobdb - 23 bytes
buf.put(BLOBDB_INSERT); // insert
buf.putShort((short) mRandom.nextInt()); // token
buf.put(BLOBDB_APP);
buf.put(LENGTH_UUID);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putLong(uuid.getMostSignificantBits()); // watchapp uuid
buf.putLong(uuid.getLeastSignificantBits());
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.putShort(METADATA_LENGTH); // length of the encapsulated data
buf.order(ByteOrder.BIG_ENDIAN);
buf.putLong(uuid.getMostSignificantBits()); // watchapp uuid
buf.putLong(uuid.getLeastSignificantBits());
@ -540,7 +538,7 @@ public class PebbleProtocol extends GBDeviceProtocol {
buf.put((byte) 0); // app_face_template_id
buf.put(name_buf); // 96 bytes
return buf.array();
return encodeBlobdb(uuid, BLOBDB_INSERT, BLOBDB_APP, buf.array());
}
public byte[] encodeAppFetchAck() {
@ -628,28 +626,18 @@ public class PebbleProtocol extends GBDeviceProtocol {
@Override
public byte[] encodeAppDelete(UUID uuid) {
ByteBuffer buf;
if (isFw3x) {
buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_REMOVEAPP_3X);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort(LENGTH_REMOVEAPP_3X);
buf.putShort(ENDPOINT_BLOBDB);
buf.order(ByteOrder.LITTLE_ENDIAN);
buf.put(BLOBDB_DELETE);
buf.putShort((short) mRandom.nextInt()); // token
buf.put(BLOBDB_APP);
buf.put(LENGTH_UUID);
buf.order(ByteOrder.BIG_ENDIAN);
return encodeBlobdb(uuid, BLOBDB_DELETE, BLOBDB_APP, null);
} else {
buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_REMOVEAPP_2X);
ByteBuffer buf = ByteBuffer.allocate(LENGTH_PREFIX + LENGTH_REMOVEAPP_2X);
buf.order(ByteOrder.BIG_ENDIAN);
buf.putShort(LENGTH_REMOVEAPP_2X);
buf.putShort(ENDPOINT_APPMANAGER);
buf.put(APPMANAGER_REMOVEAPP);
buf.putLong(uuid.getMostSignificantBits());
buf.putLong(uuid.getLeastSignificantBits());
return buf.array();
}
buf.putLong(uuid.getMostSignificantBits());
buf.putLong(uuid.getLeastSignificantBits());
return buf.array();
}
private byte[] encodePhoneVersion2x(byte os) {