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-rw-r--r--src/main/java/org/traccar/protocol/Xexun2ProtocolEncoder.java6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/main/java/org/traccar/protocol/Xexun2ProtocolEncoder.java b/src/main/java/org/traccar/protocol/Xexun2ProtocolEncoder.java
index d85c6734b..287364cf2 100644
--- a/src/main/java/org/traccar/protocol/Xexun2ProtocolEncoder.java
+++ b/src/main/java/org/traccar/protocol/Xexun2ProtocolEncoder.java
@@ -32,8 +32,8 @@ public class Xexun2ProtocolEncoder extends BaseProtocolEncoder {
}
private static ByteBuf encodeFrame(ByteBuf buf) {
- buf.clear();
- if (buf.readableBytes() < 5) {
+ int bufLength = buf.readableBytes();
+ if (bufLength < 5) {
return null;
}
@@ -41,7 +41,7 @@ public class Xexun2ProtocolEncoder extends BaseProtocolEncoder {
result.writeBytes(buf.readBytes(2));
- while (buf.readerIndex() < buf.capacity() - 2) {
+ while (buf.readerIndex() < bufLength - 2) {
int b = buf.readUnsignedByte();
if (b == 0xfa && buf.isReadable() && buf.getUnsignedByte(buf.readerIndex()) == 0xaf) {
buf.readUnsignedByte();