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
|
/*
* Copyright 2012 - 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;
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.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.config.Keys;
import org.traccar.handler.DefaultDataHandler;
import org.traccar.handler.events.AlertEventHandler;
import org.traccar.handler.events.CommandResultEventHandler;
import org.traccar.handler.events.DriverEventHandler;
import org.traccar.handler.events.FuelDropEventHandler;
import org.traccar.handler.events.GeofenceEventHandler;
import org.traccar.handler.events.IgnitionEventHandler;
import org.traccar.handler.events.MaintenanceEventHandler;
import org.traccar.handler.events.MotionEventHandler;
import org.traccar.handler.events.OverspeedEventHandler;
import org.traccar.handler.ComputedAttributesHandler;
import org.traccar.handler.CopyAttributesHandler;
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.NetworkMessageHandler;
import org.traccar.handler.OpenChannelHandler;
import org.traccar.handler.RemoteAddressHandler;
import org.traccar.handler.StandardLoggingHandler;
import java.util.Map;
public abstract class BasePipelineFactory extends ChannelInitializer<Channel> {
private static final Logger LOGGER = LoggerFactory.getLogger(BasePipelineFactory.class);
private final TrackerServer server;
private boolean eventsEnabled;
private int timeout;
public BasePipelineFactory(TrackerServer server, String protocol) {
this.server = server;
eventsEnabled = Context.getConfig().getBoolean(Keys.EVENT_ENABLE);
timeout = Context.getConfig().getInteger(Keys.PROTOCOL_TIMEOUT.withPrefix(protocol));
if (timeout == 0) {
timeout = Context.getConfig().getInteger(Keys.SERVER_TIMEOUT);
}
}
protected abstract void addProtocolHandlers(PipelineBuilder pipeline);
@SafeVarargs
private final void addHandlers(ChannelPipeline pipeline, Class<? extends ChannelHandler>... handlerClasses) {
for (Class<? extends ChannelHandler> handlerClass : handlerClasses) {
if (handlerClass != null) {
pipeline.addLast(Main.getInjector().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();
if (timeout > 0 && !server.isDatagram()) {
pipeline.addLast(new IdleStateHandler(timeout, 0, 0));
}
pipeline.addLast(new OpenChannelHandler(server));
pipeline.addLast(new NetworkMessageHandler());
pipeline.addLast(new StandardLoggingHandler());
addProtocolHandlers(handler -> {
if (!(handler instanceof BaseProtocolDecoder || handler instanceof BaseProtocolEncoder)) {
if (handler instanceof ChannelInboundHandler) {
handler = new WrapperInboundHandler((ChannelInboundHandler) handler);
} else {
handler = new WrapperOutboundHandler((ChannelOutboundHandler) handler);
}
}
pipeline.addLast(handler);
});
addHandlers(
pipeline,
GeolocationHandler.class,
HemisphereHandler.class,
DistanceHandler.class,
RemoteAddressHandler.class);
addDynamicHandlers(pipeline);
addHandlers(
pipeline,
FilterHandler.class,
GeocoderHandler.class,
MotionHandler.class,
EngineHoursHandler.class,
CopyAttributesHandler.class,
ComputedAttributesHandler.class,
WebDataHandler.class,
DefaultDataHandler.class);
if (eventsEnabled) {
addHandlers(
pipeline,
CommandResultEventHandler.class,
OverspeedEventHandler.class,
FuelDropEventHandler.class,
MotionEventHandler.class,
GeofenceEventHandler.class,
AlertEventHandler.class,
IgnitionEventHandler.class,
MaintenanceEventHandler.class,
DriverEventHandler.class);
}
pipeline.addLast(new MainEventHandler());
}
private void addDynamicHandlers(ChannelPipeline pipeline) {
String handlers = Context.getConfig().getString(Keys.EXTRA_HANDLERS);
if (handlers != null) {
for (String handler : handlers.split(",")) {
try {
pipeline.addLast((ChannelHandler) Class.forName(handler).getDeclaredConstructor().newInstance());
} catch (ReflectiveOperationException error) {
LOGGER.warn("Dynamic handler error", error);
}
}
}
}
}
|
