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authorAnton Tananaev <anton.tananaev@gmail.com>2015-05-31 23:28:54 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-05-31 23:28:54 +1200
commit6883ecf8462e26f63d2709426c2cacf5dd318c49 (patch)
treef835ae50da904d620b32443202bbe96e96ca0617 /src/org/traccar/protocol
parentf042852014b246ce8f8561b4aeea768f646025e7 (diff)
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Add crc to Castel responses
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/CastelProtocolDecoder.java42
1 files changed, 22 insertions, 20 deletions
diff --git a/src/org/traccar/protocol/CastelProtocolDecoder.java b/src/org/traccar/protocol/CastelProtocolDecoder.java
index 071218bf8..75021d3cd 100644
--- a/src/org/traccar/protocol/CastelProtocolDecoder.java
+++ b/src/org/traccar/protocol/CastelProtocolDecoder.java
@@ -16,8 +16,10 @@
package org.traccar.protocol;
import java.net.SocketAddress;
+import java.nio.ByteOrder;
import java.nio.charset.Charset;
import java.util.Calendar;
+import java.util.Date;
import java.util.TimeZone;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
@@ -35,11 +37,11 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- private static final int MSG_LOGIN = 0x0110;
- private static final int MSG_LOGIN_RESPONSE = 0x0190;
- private static final int MSG_HEARTBEAT = 0x0301;
- private static final int MSG_HEARTBEAT_RESPONSE = 0x0390;
- private static final int MSG_GPS = 0x0140;
+ private static final short MSG_LOGIN = 0x1001;
+ private static final short MSG_LOGIN_RESPONSE = (short) 0x9001;
+ private static final short MSG_HEARTBEAT = 0x1003;
+ private static final short MSG_HEARTBEAT_RESPONSE = (short) 0x9003;
+ private static final short MSG_GPS = 0x4001;
@Override
protected Object decode(
@@ -52,19 +54,19 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedShort(); // length
int version = buf.readUnsignedByte();
ChannelBuffer id = buf.readBytes(20);
- int type = buf.readUnsignedShort();
+ int type = ChannelBuffers.swapShort(buf.readShort());
if (type == MSG_HEARTBEAT) {
if (channel != null) {
- ChannelBuffer response = ChannelBuffers.directBuffer(31);
- response.writeByte(0x40); response.writeByte(0x40); // header
- response.writeShort(response.capacity()); // size
+ ChannelBuffer response = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 31);
+ response.writeByte(0x40); response.writeByte(0x40);
+ response.writeShort(response.capacity());
response.writeByte(version);
response.writeBytes(id);
- response.writeShort(MSG_HEARTBEAT_RESPONSE);
- response.writeShort(Crc.crc16Ccitt(response.toByteBuffer(2, 4))); // TODO
- response.writeByte(0x0D); response.writeByte(0x0A); // ending
+ response.writeShort(ChannelBuffers.swapShort(MSG_HEARTBEAT_RESPONSE));
+ response.writeShort(Crc.crc16Ccitt(response.toByteBuffer(0, response.writerIndex())));
+ response.writeByte(0x0D); response.writeByte(0x0A);
channel.write(response, remoteAddress);
}
@@ -78,18 +80,18 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder {
return null;
} else if (type == MSG_LOGIN) {
- if (channel != null) {
- ChannelBuffer response = ChannelBuffers.directBuffer(41);
- response.writeByte(0x40); response.writeByte(0x40); // header
- response.writeShort(response.capacity()); // size
+ if (channel == null) {
+ ChannelBuffer response = ChannelBuffers.directBuffer(ByteOrder.LITTLE_ENDIAN, 41);
+ response.writeByte(0x40); response.writeByte(0x40);
+ response.writeShort(response.capacity());
response.writeByte(version);
response.writeBytes(id);
- response.writeShort(MSG_LOGIN_RESPONSE);
+ response.writeShort(ChannelBuffers.swapShort(MSG_LOGIN_RESPONSE));
response.writeInt(0xFFFFFFFF);
response.writeShort(0);
- response.writeInt(0); // TODO
- response.writeShort(Crc.crc16Ccitt(response.toByteBuffer(2, 4))); // TODO
- response.writeByte(0x0D); response.writeByte(0x0A); // ending
+ response.writeInt((int) (new Date().getTime() / 1000));
+ response.writeShort(Crc.crc16Ccitt(response.toByteBuffer(0, response.writerIndex())));
+ response.writeByte(0x0D); response.writeByte(0x0A);
channel.write(response, remoteAddress);
}