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authorAnton Tananaev <anton.tananaev@gmail.com>2014-05-24 14:28:45 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2014-05-24 14:28:45 +1200
commitae84a13424be6bd55ddc12182554ba859b5dc786 (patch)
tree5557a966abe0cc98f4483efe9cf557f9d23bb1ea /src/org/traccar/protocol/MeitrackProtocolDecoder.java
parent1db9f7f27f9d4779dbd1a4a55a3be450604204a4 (diff)
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Delete recorded data (fix #419)
Diffstat (limited to 'src/org/traccar/protocol/MeitrackProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/MeitrackProtocolDecoder.java19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
index 7f63b4b64..3d3d31002 100644
--- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
@@ -29,6 +29,7 @@ import org.jboss.netty.channel.ChannelHandlerContext;
import org.traccar.BaseProtocolDecoder;
import org.traccar.ServerManager;
import org.traccar.helper.ChannelBufferTools;
+import org.traccar.helper.Crc;
import org.traccar.helper.Log;
import org.traccar.model.ExtendedInfoFormatter;
import org.traccar.model.Position;
@@ -67,7 +68,7 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
"(\\p{XDigit}+)," + // Power
".*(\r\n)?");
- private Position decodeRegularMessage(ChannelBuffer buf) {
+ private Position decodeRegularMessage(Channel channel, ChannelBuffer buf) {
// Parse message
String sentence = buf.toString(Charset.defaultCharset());
@@ -152,7 +153,7 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
return position;
}
- private List<Position> decodeBinaryMessage(ChannelBuffer buf) {
+ private List<Position> decodeBinaryMessage(Channel channel, ChannelBuffer buf) {
List<Position> positions = new LinkedList<Position>();
Integer index = ChannelBufferTools.find(buf, 0, buf.readableBytes(), ",");
@@ -225,6 +226,16 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
positions.add(position);
}
+ // Delete recorded data
+ if (channel != null) {
+ StringBuilder command = new StringBuilder("@@W28,");
+ command.append(imei).append(",CCC,").append(positions.size()).append("*");
+ int checksum = 0;
+ for (int i = 0; i < command.length(); i += 1) checksum += command.charAt(i);
+ command.append(String.format("%02x\r\n", checksum & 0xff).toUpperCase());
+ channel.write(command.toString());
+ }
+
return positions;
}
@@ -241,9 +252,9 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
String type = buf.toString(index + 1, 3, Charset.defaultCharset());
if (type.equals("CCC")) {
- return decodeBinaryMessage(buf);
+ return decodeBinaryMessage(channel, buf);
} else {
- return decodeRegularMessage(buf);
+ return decodeRegularMessage(channel, buf);
}
}