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authorAnton Tananaev <anton.tananaev@gmail.com>2020-07-29 20:58:02 -0700
committerAnton Tananaev <anton.tananaev@gmail.com>2020-07-29 20:58:02 -0700
commit250dc821dd304ca72058012b5a387194489cbe72 (patch)
treeb8aba5cdd8c40442734e8e20b7ab05c03fdad813 /src/main/java/org/traccar/protocol
parent02156420e2b7e8ca60982c60c26245c77069dd6e (diff)
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Implement PST commands
Diffstat (limited to 'src/main/java/org/traccar/protocol')
-rw-r--r--src/main/java/org/traccar/protocol/PstFrameEncoder.java41
-rw-r--r--src/main/java/org/traccar/protocol/PstProtocol.java9
-rw-r--r--src/main/java/org/traccar/protocol/PstProtocolDecoder.java21
-rw-r--r--src/main/java/org/traccar/protocol/PstProtocolEncoder.java62
4 files changed, 118 insertions, 15 deletions
diff --git a/src/main/java/org/traccar/protocol/PstFrameEncoder.java b/src/main/java/org/traccar/protocol/PstFrameEncoder.java
new file mode 100644
index 000000000..33ae43fca
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PstFrameEncoder.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 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.channel.ChannelHandlerContext;
+import io.netty.handler.codec.MessageToByteEncoder;
+
+public class PstFrameEncoder extends MessageToByteEncoder<ByteBuf> {
+
+ @Override
+ protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) {
+
+ out.writeByte('(');
+ while (msg.isReadable()) {
+ int b = msg.readUnsignedByte();
+ if (b == 0x27 || b == 0x28 || b == 0x29) {
+ out.writeByte(0x27);
+ out.writeByte(b ^ 0x40);
+ } else {
+ out.writeByte(b);
+ }
+ }
+ out.writeByte(')');
+
+ msg.release();
+ }
+}
diff --git a/src/main/java/org/traccar/protocol/PstProtocol.java b/src/main/java/org/traccar/protocol/PstProtocol.java
index 0ed9affd8..d8c7008cb 100644
--- a/src/main/java/org/traccar/protocol/PstProtocol.java
+++ b/src/main/java/org/traccar/protocol/PstProtocol.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2019 - 2020 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.
@@ -18,20 +18,27 @@ package org.traccar.protocol;
import org.traccar.BaseProtocol;
import org.traccar.PipelineBuilder;
import org.traccar.TrackerServer;
+import org.traccar.model.Command;
public class PstProtocol extends BaseProtocol {
public PstProtocol() {
+ setSupportedDataCommands(
+ Command.TYPE_ENGINE_STOP,
+ Command.TYPE_ENGINE_RESUME);
addServer(new TrackerServer(true, getName()) {
@Override
protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new PstProtocolEncoder(PstProtocol.this));
pipeline.addLast(new PstProtocolDecoder(PstProtocol.this));
}
});
addServer(new TrackerServer(false, getName()) {
@Override
protected void addProtocolHandlers(PipelineBuilder pipeline) {
+ pipeline.addLast(new PstFrameEncoder());
pipeline.addLast(new PstFrameDecoder());
+ pipeline.addLast(new PstProtocolEncoder(PstProtocol.this));
pipeline.addLast(new PstProtocolDecoder(PstProtocol.this));
}
});
diff --git a/src/main/java/org/traccar/protocol/PstProtocolDecoder.java b/src/main/java/org/traccar/protocol/PstProtocolDecoder.java
index 62cc203d2..e3fe1af62 100644
--- a/src/main/java/org/traccar/protocol/PstProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/PstProtocolDecoder.java
@@ -38,6 +38,7 @@ public class PstProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_ACK = 0x00;
public static final int MSG_STATUS = 0x05;
+ public static final int MSG_COMMAND = 0x06;
private Date readDate(ByteBuf buf) {
long value = buf.readUnsignedInt();
@@ -61,21 +62,13 @@ public class PstProtocolDecoder extends BaseProtocolDecoder {
Channel channel, SocketAddress remoteAddress, long id, int version, long index, int type) {
if (channel != null) {
- ByteBuf content = Unpooled.buffer();
- content.writeInt((int) id);
- content.writeByte(version);
- content.writeInt((int) index);
- content.writeByte(MSG_ACK);
- content.writeByte(type);
-
- int checksum = Checksum.crc16(Checksum.CRC16_XMODEM, content.nioBuffer());
-
ByteBuf response = Unpooled.buffer();
- response.writeByte('(');
- response.writeBytes(content);
- content.release();
- response.writeShort(checksum);
- response.writeByte(')');
+ response.writeInt((int) id);
+ response.writeByte(version);
+ response.writeInt((int) index);
+ response.writeByte(MSG_ACK);
+ response.writeByte(type);
+ response.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, response.nioBuffer()));
channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
diff --git a/src/main/java/org/traccar/protocol/PstProtocolEncoder.java b/src/main/java/org/traccar/protocol/PstProtocolEncoder.java
new file mode 100644
index 000000000..f3d193324
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/PstProtocolEncoder.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 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 org.traccar.BaseProtocolEncoder;
+import org.traccar.Protocol;
+import org.traccar.helper.Checksum;
+import org.traccar.model.Command;
+
+public class PstProtocolEncoder extends BaseProtocolEncoder {
+
+ public PstProtocolEncoder(Protocol protocol) {
+ super(protocol);
+ }
+
+ private ByteBuf encodeContent(long deviceId, int type, int data1, int data2) {
+
+ ByteBuf buf = Unpooled.buffer();
+
+ buf.writeInt((int) Long.parseLong(getUniqueId(deviceId)));
+ buf.writeByte(0x06); // version
+
+ buf.writeInt(1); // index
+ buf.writeByte(PstProtocolDecoder.MSG_COMMAND);
+ buf.writeShort(type);
+ buf.writeShort(data1);
+ buf.writeShort(data2);
+
+ buf.writeShort(Checksum.crc16(Checksum.CRC16_XMODEM, buf.nioBuffer()));
+
+ return buf;
+ }
+
+ @Override
+ protected Object encodeCommand(Command command) {
+
+ switch (command.getType()) {
+ case Command.TYPE_ENGINE_STOP:
+ return encodeContent(command.getDeviceId(), 0x0002, 0xffff, 0xffff);
+ case Command.TYPE_ENGINE_RESUME:
+ return encodeContent(command.getDeviceId(), 0x0001, 0xffff, 0xffff);
+ default:
+ return null;
+ }
+ }
+
+}