1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
/*
* Copyright 2016 - 2019 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.StringProtocolEncoder;
import org.traccar.helper.DataConverter;
import org.traccar.model.Command;
import org.traccar.Protocol;
import java.nio.charset.StandardCharsets;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.TimeZone;
public class WatchProtocolEncoder extends StringProtocolEncoder implements StringProtocolEncoder.ValueFormatter {
public WatchProtocolEncoder(Protocol protocol) {
super(protocol);
}
@Override
public String formatValue(String key, Object value) {
if (key.equals(Command.KEY_TIMEZONE)) {
double offset = TimeZone.getTimeZone((String) value).getRawOffset() / 3600000.0;
DecimalFormat fmt = new DecimalFormat("+#.##;-#.##", DecimalFormatSymbols.getInstance(Locale.US));
return fmt.format(offset);
} else if (key.equals(Command.KEY_MESSAGE)) {
return DataConverter.printHex(value.toString().getBytes(StandardCharsets.UTF_16BE));
} else if (key.equals(Command.KEY_ENABLE)) {
return (boolean) value ? "1" : "0";
} else if (key.equals(Command.KEY_LANGUAGE)) {
return String.valueOf(value);
}
return null;
}
protected ByteBuf formatTextCommand(Channel channel, Command command, String format, String... keys) {
String content = formatCommand(command, format, this, keys);
ByteBuf buf = Unpooled.copiedBuffer(content, StandardCharsets.US_ASCII);
return formatBinaryCommand(channel, command, "", buf);
}
protected ByteBuf formatBinaryCommand(Channel channel, Command command, String textPrefix, ByteBuf data) {
boolean hasIndex = false;
String manufacturer = "CS";
if (channel != null) {
WatchProtocolDecoder decoder = channel.pipeline().get(WatchProtocolDecoder.class);
if (decoder != null) {
hasIndex = decoder.getHasIndex();
manufacturer = decoder.getManufacturer();
}
}
ByteBuf buf = Unpooled.buffer();
buf.writeByte('[');
buf.writeCharSequence(manufacturer, StandardCharsets.US_ASCII);
buf.writeByte('*');
buf.writeCharSequence(getUniqueId(command.getDeviceId()), StandardCharsets.US_ASCII);
buf.writeByte('*');
if (hasIndex) {
buf.writeCharSequence("0001", StandardCharsets.US_ASCII);
buf.writeByte('*');
}
buf.writeCharSequence(String.format("%04x", data.readableBytes() + textPrefix.length()),
StandardCharsets.US_ASCII);
buf.writeByte('*');
buf.writeCharSequence(textPrefix, StandardCharsets.US_ASCII);
buf.writeBytes(data);
buf.writeByte(']');
return buf;
}
private static Map<Byte, Byte> mapping = new HashMap<>();
static {
mapping.put((byte) 0x7d, (byte) 0x01);
mapping.put((byte) 0x5B, (byte) 0x02);
mapping.put((byte) 0x5D, (byte) 0x03);
mapping.put((byte) 0x2C, (byte) 0x04);
mapping.put((byte) 0x2A, (byte) 0x05);
}
private ByteBuf getBinaryData(Command command) {
byte[] data = DataConverter.parseHex(command.getString(Command.KEY_DATA));
int encodedLength = data.length;
for (byte b : data) {
if (mapping.containsKey(b)) {
encodedLength += 1;
}
}
int index = 0;
byte[] encodedData = new byte[encodedLength];
for (byte b : data) {
Byte replacement = mapping.get(b);
if (replacement != null) {
encodedData[index] = 0x7D;
index += 1;
encodedData[index] = replacement;
} else {
encodedData[index] = b;
}
index += 1;
}
return Unpooled.copiedBuffer(encodedData);
}
@Override
protected Object encodeCommand(Channel channel, Command command) {
switch (command.getType()) {
case Command.TYPE_CUSTOM:
return formatTextCommand(channel, command, command.getString(Command.KEY_DATA));
case Command.TYPE_POSITION_SINGLE:
return formatTextCommand(channel, command, "RG");
case Command.TYPE_SOS_NUMBER:
return formatTextCommand(channel, command, "SOS{%s},{%s}", Command.KEY_INDEX, Command.KEY_PHONE);
case Command.TYPE_ALARM_SOS:
return formatTextCommand(channel, command, "SOSSMS,{%s}", Command.KEY_ENABLE);
case Command.TYPE_ALARM_BATTERY:
return formatTextCommand(channel, command, "LOWBAT,{%s}", Command.KEY_ENABLE);
case Command.TYPE_REBOOT_DEVICE:
return formatTextCommand(channel, command, "RESET");
case Command.TYPE_POWER_OFF:
return formatTextCommand(channel, command, "POWEROFF");
case Command.TYPE_ALARM_REMOVE:
return formatTextCommand(channel, command, "REMOVE,{%s}", Command.KEY_ENABLE);
case Command.TYPE_SILENCE_TIME:
return formatTextCommand(channel, command, "SILENCETIME,{%s}", Command.KEY_DATA);
case Command.TYPE_ALARM_CLOCK:
return formatTextCommand(channel, command, "REMIND,{%s}", Command.KEY_DATA);
case Command.TYPE_SET_PHONEBOOK:
return formatTextCommand(channel, command, "PHB,{%s}", Command.KEY_DATA);
case Command.TYPE_MESSAGE:
return formatTextCommand(channel, command, "MESSAGE,{%s}", Command.KEY_MESSAGE);
case Command.TYPE_VOICE_MESSAGE:
return formatBinaryCommand(channel, command, "TK,", getBinaryData(command));
case Command.TYPE_POSITION_PERIODIC:
return formatTextCommand(channel, command, "UPLOAD,{%s}", Command.KEY_FREQUENCY);
case Command.TYPE_SET_TIMEZONE:
return formatTextCommand(channel, command, "LZ,{%s},{%s}", Command.KEY_LANGUAGE, Command.KEY_TIMEZONE);
case Command.TYPE_SET_INDICATOR:
return formatTextCommand(channel, command, "FLOWER,{%s}", Command.KEY_DATA);
default:
return null;
}
}
}
|
