Convert project to gradle

1 files changed, 202 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/CalAmpProtocolDecoder.java b/src/main/java/org/traccar/protocol/CalAmpProtocolDecoder.java
new file mode 100644
index 000000000..31416d7f1
--- /dev/null
+++ b/src/main/java/org/traccar/protocol/CalAmpProtocolDecoder.java
@@ -0,0 +1,202 @@
+/*
+ * Copyright 2015 - 2018 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.ByteBufUtil;
+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.helper.BitUtil;
+import org.traccar.helper.UnitsConverter;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.Date;
+
+public class CalAmpProtocolDecoder extends BaseProtocolDecoder {
+
+    public CalAmpProtocolDecoder(Protocol protocol) {
+        super(protocol);
+    }
+
+    public static final int MSG_NULL = 0;
+    public static final int MSG_ACK = 1;
+    public static final int MSG_EVENT_REPORT = 2;
+    public static final int MSG_ID_REPORT = 3;
+    public static final int MSG_USER_DATA = 4;
+    public static final int MSG_APP_DATA = 5;
+    public static final int MSG_CONFIG = 6;
+    public static final int MSG_UNIT_REQUEST = 7;
+    public static final int MSG_LOCATE_REPORT = 8;
+    public static final int MSG_USER_DATA_ACC = 9;
+    public static final int MSG_MINI_EVENT_REPORT = 10;
+    public static final int MSG_MINI_USER_DATA = 11;
+
+    public static final int SERVICE_UNACKNOWLEDGED = 0;
+    public static final int SERVICE_ACKNOWLEDGED = 1;
+    public static final int SERVICE_RESPONSE = 2;
+
+    private void sendResponse(Channel channel, SocketAddress remoteAddress, int type, int index, int result) {
+        if (channel != null) {
+            ByteBuf response = Unpooled.buffer(10);
+            response.writeByte(SERVICE_RESPONSE);
+            response.writeByte(MSG_ACK);
+            response.writeShort(index);
+            response.writeByte(type);
+            response.writeByte(result);
+            response.writeByte(0);
+            response.writeMedium(0);
+            channel.writeAndFlush(new NetworkMessage(response, remoteAddress));
+        }
+    }
+
+    private Position decodePosition(DeviceSession deviceSession, int type, ByteBuf buf) {
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        position.setTime(new Date(buf.readUnsignedInt() * 1000));
+        if (type != MSG_MINI_EVENT_REPORT) {
+            buf.readUnsignedInt(); // fix time
+        }
+        position.setLatitude(buf.readInt() * 0.0000001);
+        position.setLongitude(buf.readInt() * 0.0000001);
+        if (type != MSG_MINI_EVENT_REPORT) {
+            position.setAltitude(buf.readInt() * 0.01);
+            position.setSpeed(UnitsConverter.knotsFromCps(buf.readUnsignedInt()));
+        }
+        position.setCourse(buf.readShort());
+        if (type == MSG_MINI_EVENT_REPORT) {
+            position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+        }
+
+        if (type == MSG_MINI_EVENT_REPORT) {
+            position.set(Position.KEY_SATELLITES, buf.getUnsignedByte(buf.readerIndex()) & 0xf);
+            position.setValid((buf.readUnsignedByte() & 0x20) == 0);
+        } else {
+            position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+            position.setValid((buf.readUnsignedByte() & 0x08) == 0);
+        }
+
+        if (type != MSG_MINI_EVENT_REPORT) {
+            position.set("carrier", buf.readUnsignedShort());
+            position.set(Position.KEY_RSSI, buf.readShort());
+        }
+
+        position.set("modem", buf.readUnsignedByte());
+
+        if (type != MSG_MINI_EVENT_REPORT) {
+            position.set(Position.KEY_HDOP, buf.readUnsignedByte());
+        }
+
+        int input = buf.readUnsignedByte();
+        position.set(Position.KEY_INPUT, input);
+        position.set(Position.KEY_IGNITION, BitUtil.check(input, 0));
+
+        if (type != MSG_MINI_EVENT_REPORT) {
+            position.set(Position.KEY_STATUS, buf.readUnsignedByte());
+        }
+
+        if (type == MSG_EVENT_REPORT || type == MSG_MINI_EVENT_REPORT) {
+            if (type != MSG_MINI_EVENT_REPORT) {
+                buf.readUnsignedByte(); // event index
+            }
+            position.set(Position.KEY_EVENT, buf.readUnsignedByte());
+        }
+
+        int accType = BitUtil.from(buf.getUnsignedByte(buf.readerIndex()), 6);
+        int accCount = BitUtil.to(buf.readUnsignedByte(), 6);
+
+        if (type != MSG_MINI_EVENT_REPORT) {
+            position.set("append", buf.readUnsignedByte());
+        }
+
+        if (accType == 1) {
+            buf.readUnsignedInt(); // threshold
+            buf.readUnsignedInt(); // mask
+        }
+
+        for (int i = 0; i < accCount; i++) {
+            if (buf.readableBytes() >= 4) {
+                position.set("acc" + i, buf.readUnsignedInt());
+            }
+        }
+
+        return position;
+    }
+
+    @Override
+    protected Object decode(
+            Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+        ByteBuf buf = (ByteBuf) msg;
+
+        if (BitUtil.check(buf.getByte(buf.readerIndex()), 7)) {
+
+            int content = buf.readUnsignedByte();
+
+            if (BitUtil.check(content, 0)) {
+                String id = ByteBufUtil.hexDump(buf.readSlice(buf.readUnsignedByte()));
+                getDeviceSession(channel, remoteAddress, id);
+            }
+
+            if (BitUtil.check(content, 1)) {
+                buf.skipBytes(buf.readUnsignedByte()); // identifier type
+            }
+
+            if (BitUtil.check(content, 2)) {
+                buf.skipBytes(buf.readUnsignedByte()); // authentication
+            }
+
+            if (BitUtil.check(content, 3)) {
+                buf.skipBytes(buf.readUnsignedByte()); // routing
+            }
+
+            if (BitUtil.check(content, 4)) {
+                buf.skipBytes(buf.readUnsignedByte()); // forwarding
+            }
+
+            if (BitUtil.check(content, 5)) {
+                buf.skipBytes(buf.readUnsignedByte()); // response redirection
+            }
+
+        }
+
+        DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
+        if (deviceSession == null) {
+            return null;
+        }
+
+        int service = buf.readUnsignedByte();
+        int type = buf.readUnsignedByte();
+        int index = buf.readUnsignedShort();
+
+        if (service == SERVICE_ACKNOWLEDGED) {
+            sendResponse(channel, remoteAddress, type, index, 0);
+        }
+
+        if (type == MSG_EVENT_REPORT || type == MSG_LOCATE_REPORT || type == MSG_MINI_EVENT_REPORT) {
+            return decodePosition(deviceSession, type, buf);
+        }
+
+        return null;
+    }
+
+}