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| author | Stefan Clark <stefanclark@gmail.com> | 2022-08-06 17:42:22 +0100 |
|---|---|---|
| committer | Stefan Clark <stefanclark@gmail.com> | 2022-08-06 17:42:22 +0100 |
| commit | dbc5fc5dcf697dcc00d357bbca5fe4669325148b (patch) | |
| tree | 86396e0e6f4f2baa2af9e43f17b749eae7f651ec /src/main/java/org/traccar/helper | |
| parent | 42e88c2bf95962f1274a8bbb6e8fc09af95f627f (diff) | |
| download | trackermap-server-dbc5fc5dcf697dcc00d357bbca5fe4669325148b.tar.gz trackermap-server-dbc5fc5dcf697dcc00d357bbca5fe4669325148b.tar.bz2 trackermap-server-dbc5fc5dcf697dcc00d357bbca5fe4669325148b.zip | |
Updated Xexun2 Protocol
Diffstat (limited to 'src/main/java/org/traccar/helper')
| -rw-r--r-- | src/main/java/org/traccar/helper/Checksum.java | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/src/main/java/org/traccar/helper/Checksum.java b/src/main/java/org/traccar/helper/Checksum.java index e660790ef..db5817275 100644 --- a/src/main/java/org/traccar/helper/Checksum.java +++ b/src/main/java/org/traccar/helper/Checksum.java @@ -200,18 +200,14 @@ public final class Checksum { return (10 - (checksum % 10)) % 10; } - public static int udp(ByteBuffer data) { + public static int ip(ByteBuffer data) { int sum = 0; - int len = data.capacity(); - for (int j = 0; len > 1; len--) { + while (data.remaining() > 0) { sum += data.get() & 0xff; if ((sum & 0x80000000) > 0) { sum = (sum & 0xffff) + (sum >> 16); } } - if (len == 1) { - sum += data.get() & 0xff; - } while ((sum >> 16) > 0) { sum = (sum & 0xffff) + sum >> 16; } |