Support Dragino gateway protocol

4 files changed, 141 insertions, 0 deletions

diff --git a/setup/default.xml b/setup/default.xml
index 5e28ea1a9..48fd8c993 100644
--- a/setup/default.xml
+++ b/setup/default.xml
@@ -294,5 +294,6 @@
     <entry key='nto.port'>5250</entry>
     <entry key='ramac.port'>5251</entry>
     <entry key='positrex.port'>5252</entry>
+    <entry key='dragino.port'>5253</entry>
 
 </properties>
diff --git a/src/main/java/org/traccar/protocol/DraginoProtocol.java b/src/main/java/org/traccar/protocol/DraginoProtocol.java
new file mode 100644
index 000000000..d33efe2ad
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/DraginoProtocol.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2023 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.handler.codec.http.HttpObjectAggregator;
+import io.netty.handler.codec.http.HttpRequestDecoder;
+import io.netty.handler.codec.http.HttpResponseEncoder;
+import jakarta.inject.Inject;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+import org.traccar.config.Config;
+
+public class DraginoProtocol extends BaseProtocol {
+
+    @Inject
+    public DraginoProtocol(Config config) {
+        addServer(new TrackerServer(config, getName(), false) {
+            @Override
+            protected void addProtocolHandlers(PipelineBuilder pipeline, Config config) {
+                pipeline.addLast(new HttpResponseEncoder());
+                pipeline.addLast(new HttpRequestDecoder());
+                pipeline.addLast(new HttpObjectAggregator(65535));
+                pipeline.addLast(new DraginoProtocolDecoder(DraginoProtocol.this));
+            }
+        });
+    }
+
+}
diff --git a/src/main/java/org/traccar/protocol/DraginoProtocolDecoder.java b/src/main/java/org/traccar/protocol/DraginoProtocolDecoder.java
new file mode 100644
index 000000000..5f576d723
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/DraginoProtocolDecoder.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2023 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 io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.handler.codec.http.HttpResponseStatus;
+import jakarta.json.Json;
+import jakarta.json.JsonObject;
+import org.traccar.BaseHttpProtocolDecoder;
+import org.traccar.Protocol;
+import org.traccar.helper.DateUtil;
+import org.traccar.model.Position;
+import org.traccar.session.DeviceSession;
+
+import java.io.StringReader;
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class DraginoProtocolDecoder extends BaseHttpProtocolDecoder {
+
+    public DraginoProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        FullHttpRequest request = (FullHttpRequest) msg;
+        String content = request.content().toString(StandardCharsets.UTF_8);
+        JsonObject json = Json.createReader(new StringReader(content)).readObject();
+
+        String deviceId = json.getJsonObject("end_device_ids").getString("device_id");
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, deviceId);
+        if (deviceSession == null) {
+            sendResponse(channel, HttpResponseStatus.BAD_REQUEST);
+            return null;
+        }
+
+        JsonObject message = json.getJsonObject("uplink_message");
+        JsonObject decoded = message.getJsonObject("decoded_payload");
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.setTime(DateUtil.parseDate(message.getString("received_at")));
+
+        position.setValid(true);
+        position.setLatitude(decoded.getJsonNumber("Latitude").doubleValue());
+        position.setLongitude(decoded.getJsonNumber("Longitude").doubleValue());
+
+        position.set("humidity", decoded.getJsonNumber("Hum").doubleValue());
+        position.set(Position.KEY_BATTERY, decoded.getJsonNumber("BatV").doubleValue());
+        position.set(Position.PREFIX_TEMP + 1, decoded.getJsonNumber("Tem").doubleValue());
+
+        if (Boolean.parseBoolean(decoded.getString("ALARM_status"))) {
+            position.set(Position.KEY_ALARM, Position.ALARM_SOS);
+        }
+
+        sendResponse(channel, HttpResponseStatus.OK);
+        return position;
+    }
+
+}
diff --git a/src/test/java/org/traccar/protocol/DraginoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/DraginoProtocolDecoderTest.java
new file mode 100644
index 000000000..26de75141
--- /dev/null
+++ b/src/test/java/org/traccar/protocol/DraginoProtocolDecoderTest.java
@@ -0,0 +1,20 @@
+package org.traccar.protocol;
+
+import io.netty.handler.codec.http.HttpMethod;
+import org.junit.jupiter.api.Test;
+import org.traccar.ProtocolTest;
+import org.traccar.model.Position;
+
+public class DraginoProtocolDecoderTest extends ProtocolTest {
+
+    @Test
+    public void testDecode() throws Exception {
+
+        var decoder = inject(new DraginoProtocolDecoder(null));
+
+        verifyPosition(decoder, request(HttpMethod.POST, "/",
+                buffer("{\"end_device_ids\":{\"device_id\":\"eui-a840412b81874509\",\"application_ids\":{\"application_id\":\"teast12344321\"},\"dev_eui\":\"A840412B81874509\",\"join_eui\":\"A840410000000102\",\"dev_addr\":\"260BB59A\"},\"correlation_ids\":[\"gs:uplink:01HDTGK4QWSRX0AMP8E6R1R809\"],\"received_at\":\"2023-10-28T06:47:23.853335601Z\",\"uplink_message\":{\"session_key_id\":\"AYt1CUoFjSPmZ+/Hf8bbng==\",\"f_port\":2,\"f_cnt\":1,\"frm_payload\":\"AAAAAAAAAAAPoiACpwEQ\",\"decoded_payload\":{\"ALARM_status\":\"FALSE\",\"BatV\":4.002,\"Hum\":67.9,\"LON\":\"ON\",\"Latitude\":0,\"Location\":0,\"Longitude\":0,\"MD\":0,\"Tem\":27.2},\"rx_metadata\":[{\"gateway_ids\":{\"gateway_id\":\"eui-a840411b7c4c4150\",\"eui\":\"A840411B7C4C4150\"},\"time\":\"2023-10-28T06:47:23.522309Z\",\"timestamp\":2618357987,\"rssi\":-101,\"channel_rssi\":-101,\"snr\":8.5,\"uplink_token\":\"CiIKIAoUZXVpLWE4NDA0MTFiN2M0YzQxNTASCKhAQRt8TEFQEOPxw+AJGgwI+9zyqQYQ+LGJswIguO2wkpqnNg==\",\"received_at\":\"2023-10-28T06:47:23.643979512Z\"},{\"gateway_ids\":{\"gateway_id\":\"test123123\",\"eui\":\"A840411D178C4150\"},\"time\":\"2023-10-28T06:47:23.522842Z\",\"timestamp\":3064971227,\"rssi\":-78,\"channel_rssi\":-78,\"snr\":8.8,\"uplink_token\":\"ChgKFgoKdGVzdDEyMzEyMxIIqEBBHReMQVAQ2/++tQsaDAj73PKpBhDyj+e1AiD43pX0ma44\",\"received_at\":\"2023-10-28T06:47:23.649709554Z\"},{\"gateway_ids\":{\"gateway_id\":\"eui-b8ea26fdfe2d5d28\",\"eui\":\"B8EA26FDFE2D5D28\"},\"time\":\"2023-10-28T06:47:23.536703Z\",\"timestamp\":2967400725,\"rssi\":-38,\"channel_rssi\":-38,\"snr\":14.2,\"frequency_offset\":\"1061\",\"uplink_token\":\"CiIKIAoUZXVpLWI4ZWEyNmZkZmUyZDVkMjgSCLjqJv3+LV0oEJXi+4YLGgwI+9zyqQYQxqentwIgiPT2tq60NQ==\",\"received_at\":\"2023-10-28T06:47:23.532394512Z\"},{\"gateway_ids\":{\"gateway_id\":\"eu868-1\",\"eui\":\"A840411B7E5E1868\"},\"time\":\"2023-10-28T06:47:23.526195Z\",\"timestamp\":3486064627,\"rssi\":-35,\"channel_rssi\":-35,\"snr\":9,\"uplink_token\":\"ChUKEwoHZXU4NjgtMRIIqEBBG35eGGgQ87+k/gwaDAj73PKpBhDZzuW4AiC4mpPNusM1\",\"received_at\":\"2023-10-28T06:47:23.537018603Z\"}],\"settings\":{\"data_rate\":{\"lora\":{\"bandwidth\":125000,\"spreading_factor\":7,\"coding_rate\":\"4/5\"}},\"frequency\":\"868100000\",\"timestamp\":2618357987,\"time\":\"2023-10-28T06:47:23.522309Z\"},\"received_at\":\"2023-10-28T06:47:23.644805734Z\",\"consumed_airtime\":\"0.066816s\",\"network_ids\":{\"net_id\":\"000013\",\"ns_id\":\"EC656E0000000181\",\"tenant_id\":\"ttn\",\"cluster_id\":\"eu1\",\"cluster_address\":\"eu1.cloud.thethings.network\"}}}")));
+
+    }
+
+}