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
|
/*
* Copyright 2015 - 2022 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;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelOutboundHandlerAdapter;
import io.netty.channel.ChannelPromise;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.helper.NetworkUtil;
import org.traccar.helper.model.AttributeUtil;
import org.traccar.model.Command;
import org.traccar.model.Device;
import org.traccar.session.cache.CacheManager;
import jakarta.inject.Inject;
public abstract class BaseProtocolEncoder extends ChannelOutboundHandlerAdapter {
private static final Logger LOGGER = LoggerFactory.getLogger(BaseProtocolEncoder.class);
private static final String PROTOCOL_UNKNOWN = "unknown";
private final Protocol protocol;
private CacheManager cacheManager;
private String modelOverride;
public BaseProtocolEncoder(Protocol protocol) {
this.protocol = protocol;
}
public CacheManager getCacheManager() {
return cacheManager;
}
@Inject
public void setCacheManager(CacheManager cacheManager) {
this.cacheManager = cacheManager;
}
public String getProtocolName() {
return protocol != null ? protocol.getName() : PROTOCOL_UNKNOWN;
}
protected String getUniqueId(long deviceId) {
return cacheManager.getObject(Device.class, deviceId).getUniqueId();
}
protected void initDevicePassword(Command command, String defaultPassword) {
if (!command.hasAttribute(Command.KEY_DEVICE_PASSWORD)) {
String password = AttributeUtil.getDevicePassword(
cacheManager, command.getDeviceId(), getProtocolName(), defaultPassword);
command.set(Command.KEY_DEVICE_PASSWORD, password);
}
}
public void setModelOverride(String modelOverride) {
this.modelOverride = modelOverride;
}
public String getDeviceModel(long deviceId) {
String model = getCacheManager().getObject(Device.class, deviceId).getModel();
return modelOverride != null ? modelOverride : model;
}
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
if (msg instanceof NetworkMessage networkMessage) {
if (networkMessage.getMessage() instanceof Command command) {
Object encodedCommand = encodeCommand(ctx.channel(), command);
StringBuilder s = new StringBuilder();
s.append("[").append(NetworkUtil.session(ctx.channel())).append("] ");
s.append("id: ").append(getUniqueId(command.getDeviceId())).append(", ");
s.append("command type: ").append(command.getType()).append(" ");
if (encodedCommand != null) {
s.append("sent");
} else {
s.append("not sent");
}
LOGGER.info(s.toString());
ctx.write(new NetworkMessage(encodedCommand, networkMessage.getRemoteAddress()), promise);
return;
}
}
super.write(ctx, msg, promise);
}
protected Object encodeCommand(Channel channel, Command command) {
return encodeCommand(command);
}
protected Object encodeCommand(Command command) {
return null;
}
}
|
