From d1d3be228d270355c9d48ede69a6e3570d3710b7 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 19 Apr 2021 22:04:19 -0700
Subject: Implement iStartek commands

---
 .../java/org/traccar/protocol/StartekProtocol.java |  6 +++
 .../traccar/protocol/StartekProtocolEncoder.java   | 54 ++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 src/main/java/org/traccar/protocol/StartekProtocolEncoder.java

(limited to 'src/main')

diff --git a/src/main/java/org/traccar/protocol/StartekProtocol.java b/src/main/java/org/traccar/protocol/StartekProtocol.java
index e22973243..230dc3118 100644
--- a/src/main/java/org/traccar/protocol/StartekProtocol.java
+++ b/src/main/java/org/traccar/protocol/StartekProtocol.java
@@ -21,16 +21,22 @@ import io.netty.handler.codec.string.StringEncoder;
 import org.traccar.BaseProtocol;
 import org.traccar.PipelineBuilder;
 import org.traccar.TrackerServer;
+import org.traccar.model.Command;
 
 public class StartekProtocol extends BaseProtocol {
 
     public StartekProtocol() {
+        setSupportedDataCommands(
+                Command.TYPE_OUTPUT_CONTROL,
+                Command.TYPE_ENGINE_STOP,
+                Command.TYPE_ENGINE_RESUME);
         addServer(new TrackerServer(false, getName()) {
             @Override
             protected void addProtocolHandlers(PipelineBuilder pipeline) {
                 pipeline.addLast(new LineBasedFrameDecoder(1024));
                 pipeline.addLast(new StringEncoder());
                 pipeline.addLast(new StringDecoder());
+                pipeline.addLast(new StartekProtocolEncoder(StartekProtocol.this));
                 pipeline.addLast(new StartekProtocolDecoder(StartekProtocol.this));
             }
         });
diff --git a/src/main/java/org/traccar/protocol/StartekProtocolEncoder.java b/src/main/java/org/traccar/protocol/StartekProtocolEncoder.java
new file mode 100644
index 000000000..a96502f11
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/StartekProtocolEncoder.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2021 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 io.netty.channel.Channel;
+import org.traccar.Protocol;
+import org.traccar.StringProtocolEncoder;
+import org.traccar.helper.Checksum;
+import org.traccar.model.Command;
+
+public class StartekProtocolEncoder extends StringProtocolEncoder {
+
+    public StartekProtocolEncoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected String formatCommand(Command command, String format, String... keys) {
+        String uniqueId = getUniqueId(command.getDeviceId());
+        String payload = super.formatCommand(command, format, keys);
+        int length = uniqueId.length() + 1 + payload.length();
+        String sentence = "$$:" + length + "," + uniqueId + "," + payload;
+        return sentence + Checksum.sum(sentence) + "\r\n";
+    }
+
+    @Override
+    protected Object encodeCommand(Channel channel, Command command) {
+
+        switch (command.getType()) {
+            case Command.TYPE_OUTPUT_CONTROL:
+                return formatCommand(command, "900,%s,%s", Command.KEY_INDEX, Command.KEY_DATA);
+            case Command.TYPE_ENGINE_STOP:
+                return formatCommand(command, "900,1,1");
+            case Command.TYPE_ENGINE_RESUME:
+                return formatCommand(command, "900,1,0");
+            default:
+                return null;
+        }
+    }
+
+}
-- 
cgit v1.2.3