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-rw-r--r--src/org/traccar/protocol/PretraceProtocol.java5
-rw-r--r--src/org/traccar/protocol/PretraceProtocolEncoder.java48
2 files changed, 53 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/PretraceProtocol.java b/src/org/traccar/protocol/PretraceProtocol.java
index 456807c1b..811c387f6 100644
--- a/src/org/traccar/protocol/PretraceProtocol.java
+++ b/src/org/traccar/protocol/PretraceProtocol.java
@@ -21,6 +21,7 @@ import org.traccar.BaseProtocol;
import org.traccar.CharacterDelimiterFrameDecoder;
import org.traccar.PipelineBuilder;
import org.traccar.TrackerServer;
+import org.traccar.model.Command;
import java.util.List;
@@ -28,6 +29,9 @@ public class PretraceProtocol extends BaseProtocol {
public PretraceProtocol() {
super("pretrace");
+ setSupportedDataCommands(
+ Command.TYPE_CUSTOM,
+ Command.TYPE_POSITION_PERIODIC);
}
@Override
@@ -38,6 +42,7 @@ public class PretraceProtocol extends BaseProtocol {
pipeline.addLast("frameDecoder", new CharacterDelimiterFrameDecoder(1024, ')'));
pipeline.addLast("stringEncoder", new StringEncoder());
pipeline.addLast("stringDecoder", new StringDecoder());
+ pipeline.addLast("objectEncoder", new PretraceProtocolEncoder());
pipeline.addLast("objectDecoder", new PretraceProtocolDecoder(PretraceProtocol.this));
}
});
diff --git a/src/org/traccar/protocol/PretraceProtocolEncoder.java b/src/org/traccar/protocol/PretraceProtocolEncoder.java
new file mode 100644
index 000000000..e8e2f66c7
--- /dev/null
+++ b/src/org/traccar/protocol/PretraceProtocolEncoder.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton@traccar.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.protocol;
+
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.Context;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+
+public class PretraceProtocolEncoder extends BaseProtocolEncoder {
+
+ private String formatCommand(String uniqueId, String data) {
+ String content = uniqueId + data;
+ return String.format("(%s^%02X)", content, Checksum.xor(content));
+ }
+
+ @Override
+ protected Object encodeCommand(Command command) {
+
+ String uniqueId = Context.getIdentityManager().getById(command.getDeviceId()).getUniqueId();
+
+ switch (command.getType()) {
+ case Command.TYPE_CUSTOM:
+ return formatCommand(uniqueId, command.getString(Command.KEY_DATA));
+ case Command.TYPE_POSITION_PERIODIC:
+ return formatCommand(
+ uniqueId, String.format("D221%1$d,%1$d,,", command.getInteger(Command.KEY_FREQUENCY)));
+ default:
+ Log.warning(new UnsupportedOperationException(command.getType()));
+ return null;
+ }
+ }
+
+}