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authorAnton Tananaev <anton.tananaev@gmail.com>2019-04-14 17:53:34 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2019-04-14 17:53:34 -0700
commitd25d3810621cda6bb7df2c060e8a7856784e789f (patch)
tree2f7dcc75b41016179e78e2ebb86da5658060cbb7 /src/main/java/org/traccar/protocol
parentf84c9bc81691c25c8715e900dd276cbd26d3fab8 (diff)
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Implement Sanul protocol
Diffstat (limited to 'src/main/java/org/traccar/protocol')
-rw-r--r--src/main/java/org/traccar/protocol/SanulProtocol.java37
-rw-r--r--src/main/java/org/traccar/protocol/SanulProtocolDecoder.java97
2 files changed, 134 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/SanulProtocol.java b/src/main/java/org/traccar/protocol/SanulProtocol.java
new file mode 100644
index 000000000..3104e9366
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/SanulProtocol.java
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2019 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.LengthFieldBasedFrameDecoder;
+import org.traccar.BaseProtocol;
+import org.traccar.PipelineBuilder;
+import org.traccar.TrackerServer;
+
+import java.nio.ByteOrder;
+
+public class SanulProtocol extends BaseProtocol {
+
+ public SanulProtocol() {
+ addServer(new TrackerServer(false, getName()) {
+ @Override
+ protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new LengthFieldBasedFrameDecoder(ByteOrder.LITTLE_ENDIAN, 1024, 3, 2, 0, 0, true));
+ pipeline.addLast(new SanulProtocolDecoder(SanulProtocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/main/java/org/traccar/protocol/SanulProtocolDecoder.java b/src/main/java/org/traccar/protocol/SanulProtocolDecoder.java
new file mode 100644
index 000000000..bd29828b3
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/SanulProtocolDecoder.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2019 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.buffer.ByteBuf;
+import io.netty.buffer.Unpooled;
+import io.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.Protocol;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.nio.charset.StandardCharsets;
+
+public class SanulProtocolDecoder extends BaseProtocolDecoder {
+
+ public static final int MSG_LOGIN = 0;
+ public static final int MSG_LOCATION = 1;
+ public static final int MSG_RESPONSE = 5;
+
+ public SanulProtocolDecoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private void sendResponse(Channel channel, int type) {
+ if (channel != null) {
+ ByteBuf response = Unpooled.buffer();
+ response.writeByte(0xaa); // header
+ response.writeShortLE(0); // reserved
+ response.writeShortLE(15); // length
+ response.writeByte(1); // edition
+ response.writeShortLE(MSG_RESPONSE);
+ response.writeShortLE(type);
+ response.writeIntLE(0); // command id
+ response.writeByte(0); // status
+ response.writeByte(0); // result length
+ response.writeIntLE(0); // result data ?
+ channel.writeAndFlush(new NetworkMessage(response, channel.remoteAddress()));
+ }
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ ByteBuf buf = (ByteBuf) msg;
+
+ buf.readUnsignedByte(); // header
+ buf.readUnsignedShortLE(); // reserved
+ buf.readUnsignedShortLE(); // length
+ buf.readUnsignedByte(); // edition
+
+ int type = buf.readUnsignedShortLE();
+
+ buf.readUnsignedIntLE(); // command id
+
+ sendResponse(channel, type);
+
+ if (type == MSG_LOGIN) {
+
+ getDeviceSession(channel, remoteAddress, buf.toString(StandardCharsets.US_ASCII).trim());
+
+ } else if (type == MSG_LOCATION) {
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ getLastLocation(position, null);
+
+ return position;
+
+ }
+
+ return null;
+ }
+
+}