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-rw-r--r--src/main/java/org/traccar/protocol/MegastekFrameDecoder.java3
-rw-r--r--src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java33
2 files changed, 22 insertions, 14 deletions
diff --git a/src/main/java/org/traccar/protocol/MegastekFrameDecoder.java b/src/main/java/org/traccar/protocol/MegastekFrameDecoder.java
index 347fa24b1..a4091436c 100644
--- a/src/main/java/org/traccar/protocol/MegastekFrameDecoder.java
+++ b/src/main/java/org/traccar/protocol/MegastekFrameDecoder.java
@@ -46,6 +46,9 @@ public class MegastekFrameDecoder extends BaseFrameDecoder {
if (delimiter == -1) {
delimiter = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '!');
}
+ if (delimiter == -1) {
+ delimiter = buf.indexOf(buf.readerIndex(), buf.writerIndex(), (byte) '\n');
+ }
if (delimiter != -1) {
ByteBuf result = buf.readRetainedSlice(delimiter - buf.readerIndex());
buf.skipBytes(1);
diff --git a/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java b/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java
index f0c0df8a6..2ce5b9dae 100644
--- a/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/MegastekProtocolDecoder.java
@@ -141,6 +141,9 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
beginIndex = endIndex + 2;
endIndex = sentence.indexOf('*', beginIndex) + 3;
+ if (beginIndex > endIndex) {
+ return null;
+ }
location = sentence.substring(beginIndex, endIndex);
beginIndex = endIndex + 1;
@@ -243,13 +246,13 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
.number("dd,")
.number("(dd),") // satellites
.number("dd,")
- .number("(d+.d+),") // hdop
+ .number("(d+.d+)?,") // hdop
.number("(d+.d+)?,") // speed
.number("(d+.d+)?,") // course
.number("(-?d+.d+)?,") // altitude
.number("(d+.d+)?,") // odometer
- .number("(d+),") // mcc
- .number("(d+),") // mnc
+ .number("(d+)?,") // mcc
+ .number("(d+)?,") // mnc
.number("(xxxx)?,") // lac
.number("(x+)?,") // cid
.number("(d+)?,") // gsm
@@ -276,7 +279,7 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
.groupEnd("?").text(",")
.number("(d+)?,") // rfid
.number("([01])(d)?").optional() // charge and belt status
- .expression("[^,]*,").optional()
+ .expression("[^,]*,")
.number("(d+)?,") // battery
.expression("([^,]*)[,;]") // alert
.any()
@@ -318,17 +321,19 @@ public class MegastekProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_ODOMETER, parser.nextDouble(0) * 1000);
}
- int mcc = parser.nextInt();
- int mnc = parser.nextInt();
- Integer lac = parser.nextHexInt();
- Integer cid = parser.nextHexInt();
- Integer rssi = parser.nextInt();
- if (lac != null && cid != null) {
- CellTower tower = CellTower.from(mcc, mnc, lac, cid);
- if (rssi != null) {
- tower.setSignalStrength(rssi);
+ if (parser.hasNext(5)) {
+ int mcc = parser.nextInt();
+ int mnc = parser.nextInt();
+ Integer lac = parser.nextHexInt();
+ Integer cid = parser.nextHexInt();
+ Integer rssi = parser.nextInt();
+ if (lac != null && cid != null) {
+ CellTower tower = CellTower.from(mcc, mnc, lac, cid);
+ if (rssi != null) {
+ tower.setSignalStrength(rssi);
+ }
+ position.setNetwork(new Network(tower));
}
- position.setNetwork(new Network(tower));
}
if (parser.hasNext(5)) {