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authorAnton Tananaev <anton.tananaev@gmail.com>2017-12-08 06:50:03 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2017-12-08 06:50:03 +1300
commit943a240b416dee2468723dd1c8ee247c4ada67c2 (patch)
tree68b4be295e25693ca3aa742e3978ef234734db82 /src/org/traccar
parentd3e39051984592f181b04256e38c2396d0cda78d (diff)
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Implement Stesalit T57 protocol
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/protocol/T57FrameDecoder.java49
-rw-r--r--src/org/traccar/protocol/T57Protocol.java46
-rw-r--r--src/org/traccar/protocol/T57ProtocolDecoder.java84
3 files changed, 179 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/T57FrameDecoder.java b/src/org/traccar/protocol/T57FrameDecoder.java
new file mode 100644
index 000000000..b3b456516
--- /dev/null
+++ b/src/org/traccar/protocol/T57FrameDecoder.java
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2017 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.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.jboss.netty.handler.codec.frame.FrameDecoder;
+
+import java.nio.charset.StandardCharsets;
+
+public class T57FrameDecoder extends FrameDecoder {
+
+ @Override
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, ChannelBuffer buf) throws Exception {
+
+ if (buf.readableBytes() < 10) {
+ return null;
+ }
+
+ String type = buf.toString(buf.readerIndex() + 5, 2, StandardCharsets.US_ASCII);
+ int count = type.equals("F3") ? 12 : 14;
+
+ int index = 0;
+ while (index >= 0 && count > 0) {
+ index = buf.indexOf(index + 1, buf.writerIndex(), (byte) '#');
+ if (index > 0) {
+ count -= 1;
+ }
+ }
+
+ return index > 0 ? buf.readBytes(index + 1 - buf.readerIndex()) : null;
+ }
+
+}
diff --git a/src/org/traccar/protocol/T57Protocol.java b/src/org/traccar/protocol/T57Protocol.java
new file mode 100644
index 000000000..5149929e9
--- /dev/null
+++ b/src/org/traccar/protocol/T57Protocol.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2017 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.jboss.netty.bootstrap.ServerBootstrap;
+import org.jboss.netty.channel.ChannelPipeline;
+import org.jboss.netty.handler.codec.string.StringDecoder;
+import org.jboss.netty.handler.codec.string.StringEncoder;
+import org.traccar.BaseProtocol;
+import org.traccar.TrackerServer;
+
+import java.util.List;
+
+public class T57Protocol extends BaseProtocol {
+
+ public T57Protocol() {
+ super("t57");
+ }
+
+ @Override
+ public void initTrackerServers(List<TrackerServer> serverList) {
+ serverList.add(new TrackerServer(new ServerBootstrap(), getName()) {
+ @Override
+ protected void addSpecificHandlers(ChannelPipeline pipeline) {
+ pipeline.addLast("frameDecoder", new T57FrameDecoder());
+ pipeline.addLast("stringEncoder", new StringEncoder());
+ pipeline.addLast("stringDecoder", new StringDecoder());
+ pipeline.addLast("objectDecoder", new T57ProtocolDecoder(T57Protocol.this));
+ }
+ });
+ }
+
+}
diff --git a/src/org/traccar/protocol/T57ProtocolDecoder.java b/src/org/traccar/protocol/T57ProtocolDecoder.java
new file mode 100644
index 000000000..db5f94cbb
--- /dev/null
+++ b/src/org/traccar/protocol/T57ProtocolDecoder.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2017 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.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class T57ProtocolDecoder extends BaseProtocolDecoder {
+
+ public T57ProtocolDecoder(T57Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("*T57#")
+ .number("Fd#") // type
+ .number("([^#]+)#") // device id
+ .number("(dd)(dd)(dd)#") // date (ddmmyy)
+ .number("(dd)(dd)(dd)#") // time (hhmmss)
+ .number("(dd)(dd.d+)#") // latitude
+ .expression("([NS])#")
+ .number("(ddd)(dd.d+)#") // longitude
+ .expression("([EW])#")
+ .expression("[^#]+#")
+ .number("(d+.d+)#") // speed
+ .number("(d+.d+)#") // altitude
+ .expression("([AV])") // valid
+ .number("d#") // fix type
+ .number("(d+.d+)#") // battery
+ .compile();
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ Parser parser = new Parser(PATTERN, (String) msg);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position();
+ position.setProtocol(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ position.setTime(parser.nextDateTime(Parser.DateTimeFormat.DMY_HMS));
+
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble());
+ position.setAltitude(parser.nextDouble());
+
+ position.setValid(parser.next().equals("A"));
+
+ position.set(Position.KEY_BATTERY, parser.nextDouble());
+
+ return position;
+ }
+
+}