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 2012 - 2023 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 com.google.inject.Injector;
import io.netty.channel.Channel;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelInboundHandler;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOutboundHandler;
import io.netty.channel.ChannelPipeline;
import io.netty.handler.timeout.IdleStateHandler;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import org.traccar.handler.AcknowledgementHandler;
import org.traccar.handler.ComputedAttributesHandler;
import org.traccar.handler.CopyAttributesHandler;
import org.traccar.handler.DefaultDataHandler;
import org.traccar.handler.DistanceHandler;
import org.traccar.handler.EngineHoursHandler;
import org.traccar.handler.FilterHandler;
import org.traccar.handler.GeocoderHandler;
import org.traccar.handler.GeolocationHandler;
import org.traccar.handler.HemisphereHandler;
import org.traccar.handler.MotionHandler;
import org.traccar.handler.NetworkForwarderHandler;
import org.traccar.handler.NetworkMessageHandler;
import org.traccar.handler.OpenChannelHandler;
import org.traccar.handler.RemoteAddressHandler;
import org.traccar.handler.SpeedLimitHandler;
import org.traccar.handler.StandardLoggingHandler;
import org.traccar.handler.TimeHandler;
import org.traccar.handler.events.AlertEventHandler;
import org.traccar.handler.events.BehaviorEventHandler;
import org.traccar.handler.events.CommandResultEventHandler;
import org.traccar.handler.events.DriverEventHandler;
import org.traccar.handler.events.FuelEventHandler;
import org.traccar.handler.events.GeofenceEventHandler;
import org.traccar.handler.events.IgnitionEventHandler;
import org.traccar.handler.events.MaintenanceEventHandler;
import org.traccar.handler.events.MediaEventHandler;
import org.traccar.handler.events.MotionEventHandler;
import org.traccar.handler.events.OverspeedEventHandler;
import java.util.Map;
public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
private final Injector injector;
private final TrackerConnector connector;
private final Config config;
private final String protocol;
private final int timeout;
public BasePipelineFactory(TrackerConnector connector, Config config, String protocol) {
this.injector = Main.getInjector();
this.connector = connector;
this.config = config;
this.protocol = protocol;
int timeout = config.getInteger(Keys.PROTOCOL_TIMEOUT.withPrefix(protocol));
if (timeout == 0) {
this.timeout = config.getInteger(Keys.SERVER_TIMEOUT);
} else {
this.timeout = timeout;
}
}
protected abstract void addTransportHandlers(PipelineBuilder pipeline);
protected abstract void addProtocolHandlers(PipelineBuilder pipeline);
@SafeVarargs
private void addHandlers(ChannelPipeline pipeline, Class<? extends ChannelHandler>... handlerClasses) {
for (Class<? extends ChannelHandler> handlerClass : handlerClasses) {
if (handlerClass != null) {
pipeline.addLast(injector.getInstance(handlerClass));
}
}
}
public static <T extends ChannelHandler> T getHandler(ChannelPipeline pipeline, Class<T> clazz) {
for (Map.Entry<String, ChannelHandler> handlerEntry : pipeline) {
ChannelHandler handler = handlerEntry.getValue();
if (handler instanceof WrapperInboundHandler) {
handler = ((WrapperInboundHandler) handler).getWrappedHandler();
} else if (handler instanceof WrapperOutboundHandler) {
handler = ((WrapperOutboundHandler) handler).getWrappedHandler();
}
if (clazz.isAssignableFrom(handler.getClass())) {
return (T) handler;
}
}
return null;
}
@Override
protected void initChannel(Channel channel) {
final ChannelPipeline pipeline = channel.pipeline();
addTransportHandlers(pipeline::addLast);
if (timeout > 0 && !connector.isDatagram()) {
pipeline.addLast(new IdleStateHandler(timeout, 0, 0));
}
pipeline.addLast(new OpenChannelHandler(connector));
if (config.hasKey(Keys.SERVER_FORWARD)) {
int port = config.getInteger(Keys.PROTOCOL_PORT.withPrefix(protocol));
var handler = new NetworkForwarderHandler(port);
injector.injectMembers(handler);
pipeline.addLast(handler);
}
pipeline.addLast(new NetworkMessageHandler());
pipeline.addLast(new StandardLoggingHandler(protocol));
if (!config.getBoolean(Keys.SERVER_INSTANT_ACKNOWLEDGEMENT)) {
pipeline.addLast(new AcknowledgementHandler());
}
addProtocolHandlers(handler -> {
if (handler instanceof BaseProtocolDecoder || handler instanceof BaseProtocolEncoder) {
injector.injectMembers(handler);
} else {
if (handler instanceof ChannelInboundHandler) {
handler = new WrapperInboundHandler((ChannelInboundHandler) handler);
} else {
handler = new WrapperOutboundHandler((ChannelOutboundHandler) handler);
}
}
pipeline.addLast(handler);
});
addHandlers(
pipeline,
TimeHandler.class,
GeolocationHandler.class,
HemisphereHandler.class,
DistanceHandler.class,
RemoteAddressHandler.class,
FilterHandler.class,
GeocoderHandler.class,
SpeedLimitHandler.class,
MotionHandler.class,
CopyAttributesHandler.class,
EngineHoursHandler.class,
ComputedAttributesHandler.class,
PositionForwardingHandler.class,
DefaultDataHandler.class,
MediaEventHandler.class,
CommandResultEventHandler.class,
OverspeedEventHandler.class,
BehaviorEventHandler.class,
FuelEventHandler.class,
MotionEventHandler.class,
GeofenceEventHandler.class,
AlertEventHandler.class,
IgnitionEventHandler.class,
MaintenanceEventHandler.class,
DriverEventHandler.class,
MainEventHandler.class);
}
}
|
