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
|
/*
* ============LICENSE_START=======================================================
* feature-controller-logging
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.controller.logging;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.common.endpoints.event.comm.TopicSink;
import org.onap.policy.drools.controller.DroolsController;
import org.onap.policy.drools.features.DroolsControllerFeatureApi;
import org.onap.policy.drools.features.PolicyControllerFeatureApi;
import org.onap.policy.drools.features.PolicyEngineFeatureApi;
import org.onap.policy.drools.protocol.configuration.ControllerConfiguration;
import org.onap.policy.drools.protocol.configuration.PdpdConfiguration;
import org.onap.policy.drools.system.PolicyController;
import org.onap.policy.drools.system.PolicyEngine;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class hooks the network logging implementation into DroolsPDP. It will disable the
* default network logger where all topic traffic is logged and segregates the topic
* traffic by controller for each supported control loop use case.
*/
/*
* PolicyControllerFeatureAPI - the 'beforeStart' hook is used to shut off the default
* network logger and the 'beforeOffer' hook is used to log incoming topic messages
*
* DroolsControllerFeatureAPI - the 'afterDeliver' hook is where the outgoing topic
* messages are logged
*
*/
public class ControllerLoggingFeature
implements PolicyEngineFeatureApi, DroolsControllerFeatureApi, PolicyControllerFeatureApi {
@Override
public int getSequenceNumber() {
return 1000;
}
/**
* The 'beforeOffer' hook will intercept an incoming topic message and append it to
* the log file that is configured for the controller logger.
*/
@Override
public boolean beforeOffer(PolicyController controller, CommInfrastructure protocol, String topic, String event) {
Logger controllerLogger = LoggerFactory.getLogger(controller.getName());
controllerLogger.info("[IN|{}|{}]{}{}", protocol, topic, System.lineSeparator(), event);
return false;
}
/**
* The 'afterDeliver' hook will intercept an outgoing topic message and append it to
* the log file that is configured for the controller logger.
*/
@Override
public boolean afterDeliver(DroolsController controller, TopicSink sink, Object fact, String json,
boolean success) {
if (success) {
Logger controllerLogger = LoggerFactory.getLogger(PolicyController.factory.get(controller).getName());
controllerLogger.info("[OUT|{}|{}]{}{}", sink.getTopicCommInfrastructure(), sink.getTopic(),
System.lineSeparator(), json);
}
return false;
}
/**
* The 'afterOnTopicEvent' hook will determine which controllers were updated and log
* the event to the appropriate controller logs.
*/
@Override
public boolean afterOnTopicEvent(PolicyEngine engine, PdpdConfiguration configuration, CommInfrastructure commType,
String topic, String event) {
for (ControllerConfiguration controller : configuration.getControllers()) {
Logger controllerLogger = LoggerFactory.getLogger(controller.getName());
controllerLogger.info("[IN|{}|{}]{}{}", commType, topic, System.lineSeparator(), event);
}
return false;
}
}
|
