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authorAnton Tananaev <anton.tananaev@gmail.com>2018-02-27 08:01:46 +1300
committerAnton Tananaev <anton.tananaev@gmail.com>2018-02-27 17:02:25 +1300
commited2798625b993c9ac42d83fec291c2bdd68750d4 (patch)
treef66c76114fc97e8d335489ab1cf407cb58f198ce /src/org/traccar
parent8ce5b13f0c088f88ce39e6f5fa155fbfc1533085 (diff)
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Improve Meitrack photo decoding
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/protocol/MeitrackProtocolDecoder.java15
1 files changed, 9 insertions, 6 deletions
diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
index 11e38194f..513a024ed 100644
--- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
@@ -434,9 +434,9 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
return positions;
}
- private void requestPhotoPacket(Channel channel, String imei, int index) {
+ private void requestPhotoPacket(Channel channel, String imei, String file, int index) {
if (channel != null) {
- String content = "D00,camera_picture.jpg," + index;
+ String content = "D00," + file + "," + index;
int length = 1 + imei.length() + 1 + content.length() + 5;
String response = String.format("@@O%02d,%s,%s*", length, imei, content);
response += Checksum.sum(response) + "\r\n";
@@ -458,11 +458,14 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
switch (type) {
case "D00":
if (photo == null) {
- return null;
+ photo = ChannelBuffers.dynamicBuffer();
}
- index = buf.indexOf(index + 1 + type.length() + 1, buf.writerIndex(), (byte) ',') + 1;
+ index = index + 1 + type.length() + 1;
int endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ',');
+ String file = buf.toString(index, endIndex - index, StandardCharsets.US_ASCII);
+ index = endIndex + 1;
+ endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ',');
int total = Integer.parseInt(buf.toString(index, endIndex - index, StandardCharsets.US_ASCII));
index = endIndex + 1;
endIndex = buf.indexOf(index, buf.writerIndex(), (byte) ',');
@@ -483,13 +486,13 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
return position;
} else {
if ((current + 1) % 8 == 0) {
- requestPhotoPacket(channel, imei, current + 1);
+ requestPhotoPacket(channel, imei, file, current + 1);
}
return null;
}
case "D03":
photo = ChannelBuffers.dynamicBuffer();
- requestPhotoPacket(channel, imei, 0);
+ requestPhotoPacket(channel, imei, "camera_picture.jpg", 0);
return null;
case "CCC":
return decodeBinaryC(channel, remoteAddress, buf);