aboutsummaryrefslogtreecommitdiff
path: root/src/org/traccar/protocol/ProgressProtocolDecoder.java
diff options
context:
space:
mode:
authorAnton Tananaev <anton.tananaev@gmail.com>2012-10-07 22:22:40 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2012-10-07 22:22:40 +1300
commitf9da745ca13052396c40c4e8f99da7cd4ed14d3c (patch)
tree1374cac87060c8feee0ca5be178a1f337a39d9c0 /src/org/traccar/protocol/ProgressProtocolDecoder.java
parentba8ece8a5b1c784f96c306e3fcbe6c612a1e4f97 (diff)
downloadtrackermap-server-f9da745ca13052396c40c4e8f99da7cd4ed14d3c.tar.gz
trackermap-server-f9da745ca13052396c40c4e8f99da7cd4ed14d3c.tar.bz2
trackermap-server-f9da745ca13052396c40c4e8f99da7cd4ed14d3c.zip
Progress protocol template
Diffstat (limited to 'src/org/traccar/protocol/ProgressProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/ProgressProtocolDecoder.java93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/org/traccar/protocol/ProgressProtocolDecoder.java b/src/org/traccar/protocol/ProgressProtocolDecoder.java
new file mode 100644
index 000000000..15cffbbda
--- /dev/null
+++ b/src/org/traccar/protocol/ProgressProtocolDecoder.java
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * 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 java.nio.charset.Charset;
+import org.jboss.netty.buffer.ChannelBuffer;
+import org.jboss.netty.channel.Channel;
+import org.jboss.netty.channel.ChannelHandlerContext;
+import org.traccar.GenericProtocolDecoder;
+import org.traccar.model.DataManager;
+import org.traccar.model.Position;
+
+/**
+ * Progress tracker protocol decoder
+ */
+public class ProgressProtocolDecoder extends GenericProtocolDecoder {
+
+ /**
+ * Device ID
+ */
+ private long deviceId;
+
+ /**
+ * Initialize
+ */
+ public ProgressProtocolDecoder(DataManager dataManager, Integer resetDelay) {
+ super(dataManager, resetDelay);
+ }
+
+ /*
+ * Message types
+ */
+ static final int MSG_NULL = 0;
+ static final int MSG_IDENT = 1;
+ static final int MSG_IDENT_FULL = 2;
+ static final int MSG_POINT = 10;
+ static final int MSG_LOG_SYNC = 100;
+ static final int MSG_LOGMSG = 101;
+ static final int MSG_TEXT = 102;
+ static final int MSG_ALARM = 200;
+ static final int MSG_ALARM_RECIEVED = 201;
+
+ /**
+ * Decode message
+ */
+ protected Object decode(
+ ChannelHandlerContext ctx, Channel channel, Object msg)
+ throws Exception {
+
+ ChannelBuffer buf = (ChannelBuffer) msg;
+ int type = buf.readUnsignedShort();
+ int length = buf.readUnsignedShort();
+
+ // Authentication
+ if (type == MSG_IDENT || type == MSG_IDENT_FULL) {
+ long id = buf.readUnsignedInt();
+ length = buf.readUnsignedShort();
+ buf.skipBytes(length);
+ length = buf.readUnsignedShort();
+ String imei = buf.readBytes(length).toString(Charset.defaultCharset());
+ deviceId = getDataManager().getDeviceByImei(imei).getId();
+ }
+
+ // Position
+ else if (type == MSG_POINT || type == MSG_ALARM) {
+ Position position = new Position();
+ position.setDeviceId(deviceId);
+ // TODO: parse messages here
+
+ if (type == MSG_ALARM) {
+ // TODO: send MSG_ALARM_RECIEVED / channel.write(...);
+ }
+
+ return position;
+ }
+
+ return null;
+ }
+
+}