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authorAnton Tananaev <anton.tananaev@gmail.com>2018-02-07 05:16:33 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2018-02-07 05:16:33 +1300
commit4ecde187a5577cd2dcff5dc82de22741ede04c6c (patch)
tree6faba317ed13fc17bdf9ac06cba4cc84d420f5c8 /src
parent231e2104acbfa7947f10239e3a41be8327828d8f (diff)
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Implement DMT Oyster canned responses
Diffstat (limited to 'src')
-rw-r--r--src/org/traccar/protocol/DmtProtocolDecoder.java52
1 files changed, 35 insertions, 17 deletions
diff --git a/src/org/traccar/protocol/DmtProtocolDecoder.java b/src/org/traccar/protocol/DmtProtocolDecoder.java
index d7dc545a6..a66156ba2 100644
--- a/src/org/traccar/protocol/DmtProtocolDecoder.java
+++ b/src/org/traccar/protocol/DmtProtocolDecoder.java
@@ -43,6 +43,24 @@ public class DmtProtocolDecoder extends BaseProtocolDecoder {
public static final int MSG_COMMIT = 0x05;
public static final int MSG_COMMIT_RESPONSE = 0x06;
+ public static final int MSG_CANNED_REQUEST_1 = 0x14;
+ public static final int MSG_CANNED_RESPONSE_1 = 0x15;
+ public static final int MSG_CANNED_REQUEST_2 = 0x22;
+ public static final int MSG_CANNED_RESPONSE_2 = 0x23;
+
+ private void sendResponse(Channel channel, int type, ChannelBuffer content) {
+ if (channel != null) {
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
+ response.writeByte(0x02); response.writeByte(0x55); // header
+ response.writeByte(type);
+ response.writeShort(content != null ? content.readableBytes() : 0);
+ if (content != null) {
+ response.writeBytes(content);
+ }
+ channel.write(response);
+ }
+ }
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -62,26 +80,26 @@ public class DmtProtocolDecoder extends BaseProtocolDecoder {
DeviceSession deviceSession = getDeviceSession(
channel, remoteAddress, buf.readBytes(15).toString(StandardCharsets.US_ASCII));
- if (channel != null) {
- ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
- response.writeByte(0x02); response.writeByte(0x55); // header
- response.writeByte(MSG_HELLO_RESPONSE);
- response.writeShort(4 + 4);
- response.writeInt((int) (System.currentTimeMillis() / 1000));
- response.writeInt(deviceSession != null ? 0 : 1); // flags
- channel.write(response);
- }
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
+ response.writeInt((int) (System.currentTimeMillis() / 1000));
+ response.writeInt(deviceSession != null ? 0 : 1); // flags
+ sendResponse(channel, MSG_HELLO_RESPONSE, response);
} else if (type == MSG_COMMIT) {
- if (channel != null) {
- ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
- response.writeByte(0x02); response.writeByte(0x55); // header
- response.writeByte(MSG_COMMIT_RESPONSE);
- response.writeShort(1);
- response.writeByte(1); // flags (success)
- channel.write(response);
- }
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
+ response.writeByte(1); // flags (success)
+ sendResponse(channel, MSG_COMMIT_RESPONSE, response);
+
+ } else if (type == MSG_CANNED_REQUEST_1) {
+
+ ChannelBuffer response = ChannelBuffers.dynamicBuffer(ByteOrder.LITTLE_ENDIAN, 0);
+ response.writeBytes(new byte[12]);
+ sendResponse(channel, MSG_CANNED_RESPONSE_1, response);
+
+ } else if (type == MSG_CANNED_REQUEST_2) {
+
+ sendResponse(channel, MSG_CANNED_RESPONSE_2, null);
} else if (type == MSG_DATA_RECORD) {