Implement eeLink protocol commands

1 files changed, 68 insertions, 0 deletions

diff --git a/src/org/traccar/protocol/EelinkProtocolEncoder.java b/src/org/traccar/protocol/EelinkProtocolEncoder.java
new file mode 100644
index 000000000..a7e96aa97
--- /dev/null
+++ b/src/org/traccar/protocol/EelinkProtocolEncoder.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2016 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.buffer.ChannelBuffers;
+import org.traccar.BaseProtocolEncoder;
+import org.traccar.Context;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.Log;
+import org.traccar.model.Command;
+import org.traccar.model.Device;
+
+import java.nio.charset.StandardCharsets;
+
+public class EelinkProtocolEncoder extends BaseProtocolEncoder {
+
+    private ChannelBuffer encodeContent(String content) {
+
+        ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
+
+        buf.writeByte(0x67);
+        buf.writeByte(0x67);
+        buf.writeByte(EelinkProtocolDecoder.MSG_DOWNLINK);
+        buf.writeShort(2 + 1 + 4 + content.length()); // length
+        buf.writeShort(0); // index
+
+        buf.writeByte(0x01); // command
+        buf.writeInt(0); // server id
+        buf.writeBytes(content.getBytes(StandardCharsets.UTF_8));
+
+        return buf;
+    }
+
+    @Override
+    protected Object encodeCommand(Command command) {
+
+        switch (command.getType()) {
+            case Command.TYPE_CUSTOM:
+                return encodeContent((String) command.getAttributes().get(Command.KEY_DATA));
+            case Command.TYPE_ENGINE_STOP:
+                return encodeContent("RELAY,1#");
+            case Command.TYPE_ENGINE_RESUME:
+                return encodeContent("RELAY,0#");
+            case Command.TYPE_REBOOT_DEVICE:
+                return encodeContent("RESET#");
+            default:
+                Log.warning(new UnsupportedOperationException(command.getType()));
+                break;
+        }
+
+        return null;
+    }
+
+}