diff options
Diffstat (limited to 'src/main/java/org/traccar/protocol')
3 files changed, 207 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java b/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java new file mode 100644 index 000000000..312d43f19 --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamFrameDecoder.java @@ -0,0 +1,49 @@ +/* + * Copyright 2021 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.Channel; +import io.netty.channel.ChannelHandlerContext; +import org.traccar.BaseFrameDecoder; + +public class DualcamFrameDecoder extends BaseFrameDecoder { + + private static final int MESSAGE_MINIMUM_LENGTH = 4; + + @Override + protected Object decode( + ChannelHandlerContext ctx, Channel channel, ByteBuf buf) throws Exception { + + if (buf.readableBytes() < MESSAGE_MINIMUM_LENGTH) { + return null; + } + + int length; + if (buf.getUnsignedShort(buf.readerIndex()) == 0) { + length = 16; + } else { + length = 4 + buf.getUnsignedShort(buf.readerIndex() + 2); + } + + if (buf.readableBytes() >= length) { + return buf.readRetainedSlice(length); + } + + return null; + } + +} diff --git a/src/main/java/org/traccar/protocol/DualcamProtocol.java b/src/main/java/org/traccar/protocol/DualcamProtocol.java new file mode 100644 index 000000000..9f8d6778e --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamProtocol.java @@ -0,0 +1,34 @@ +/* + * Copyright 2021 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.traccar.BaseProtocol; +import org.traccar.PipelineBuilder; +import org.traccar.TrackerServer; + +public class DualcamProtocol extends BaseProtocol { + + public DualcamProtocol() { + addServer(new TrackerServer(false, getName()) { + @Override + protected void addProtocolHandlers(PipelineBuilder pipeline) { + pipeline.addLast(new DualcamProtocolDecoder(DualcamProtocol.this)); + pipeline.addLast(new DishaProtocolDecoder(DualcamProtocol.this)); + } + }); + } + +} diff --git a/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java new file mode 100644 index 000000000..4647e287c --- /dev/null +++ b/src/main/java/org/traccar/protocol/DualcamProtocolDecoder.java @@ -0,0 +1,124 @@ +/* + * Copyright 2021 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.Context; +import org.traccar.DeviceSession; +import org.traccar.NetworkMessage; +import org.traccar.Protocol; +import org.traccar.helper.BitUtil; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.nio.charset.StandardCharsets; + +public class DualcamProtocolDecoder extends BaseProtocolDecoder { + + public DualcamProtocolDecoder(Protocol protocol) { + super(protocol); + } + + public static final int MSG_INIT = 0; + public static final int MSG_START = 1; + public static final int MSG_RESUME = 2; + public static final int MSG_SYNC = 3; + public static final int MSG_DATA = 4; + public static final int MSG_COMPLETE = 5; + public static final int MSG_FILE_REQUEST = 8; + public static final int MSG_INIT_REQUEST = 9; + + private String uniqueId; + private int packetCount; + private int currentPacket; + private ByteBuf photo; + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + int type = buf.readUnsignedShort(); + + switch (type) { + case MSG_INIT: + buf.readUnsignedShort(); // protocol id + uniqueId = String.valueOf(buf.readLong()); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, uniqueId); + long settings = buf.readUnsignedInt(); + if (channel != null && deviceSession != null) { + if (BitUtil.check(settings, 26)) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_FILE_REQUEST); + String file = "%photof"; + response.writeShort(file.length()); + response.writeCharSequence(file, StandardCharsets.US_ASCII); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } else { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_COMPLETE); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } + break; + case MSG_START: + buf.readUnsignedShort(); // length + packetCount = buf.readInt(); + currentPacket = 1; + photo = Unpooled.buffer(); + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_RESUME); + response.writeShort(4); + response.writeInt(currentPacket); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + break; + case MSG_DATA: + buf.readUnsignedShort(); // length + photo.writeBytes(buf, buf.readableBytes()); + if (currentPacket == packetCount) { + deviceSession = getDeviceSession(channel, remoteAddress); + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + getLastLocation(position, null); + try { + position.set(Position.KEY_IMAGE, Context.getMediaManager().writeFile(uniqueId, photo, "jpg")); + } finally { + photo.release(); + photo = null; + } + if (channel != null) { + ByteBuf response = Unpooled.buffer(); + response.writeShort(MSG_INIT_REQUEST); + channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); + } + } else { + currentPacket += 1; + } + break; + default: + break; + } + + return null; + } + +} |