blob: 0259f130711356a216b3d36934852783132ba22d (
plain)
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
|
/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2022 Huawei Canada Limited.
* ==============================================================================
* 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.slice.analysis.ms.dmaap;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import org.onap.slice.analysis.ms.models.Configuration;
import org.onap.slice.analysis.ms.service.ccvpn.BandwidthEvaluator;
import org.onap.slice.analysis.ms.service.ccvpn.Event;
import org.onap.slice.analysis.ms.service.ccvpn.SimpleEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import javax.annotation.PostConstruct;
/**
* Handles AAI-EVENT from dmaap
*/
@Component
public class AaiEventNotificationCallback implements NotificationCallback {
private static Logger logger = LoggerFactory.getLogger(AaiEventNotificationCallback.class);
private static final String EVENT_HEADER = "event-header";
private static final String ACTION = "action";
private static final String ENTITY_TYPE = "entity-type";
private static final String SOURCE_NAME = "source-name";
private static final String ENTITY = "entity";
private final JsonParser parser = new JsonParser();
private Configuration configuration;
private String aaiNotifTargetAction;
private String aaiNotifTargetSource;
private String aaiNotifTargetEntity;
@Autowired
BandwidthEvaluator bandwidthEvaluator;
@PostConstruct
public void init(){
configuration = Configuration.getInstance();
aaiNotifTargetAction = configuration.getAaiNotifTargetAction();
aaiNotifTargetSource = configuration.getAaiNotifTargetSource();
aaiNotifTargetEntity = configuration.getAaiNotifTargetEntity();
}
@Override
public void activateCallBack(String msg) {
handleNotification(msg);
}
private void handleNotification(String msg) {
JsonElement jsonElement = parser.parse(msg);
if (jsonElement.isJsonObject()){
//handle a single AAI_EVENT
logger.debug("Handle a single aai-event");
handleMsgJsonObject(jsonElement.getAsJsonObject());
} else if (jsonElement.isJsonArray()){
//handle a series of AAI_EVENT
logger.debug("Handle a series of aai-event");
JsonArray jsonArray = jsonElement.getAsJsonArray();
for (int i=0,e=jsonArray.size(); i<e; i++){
if (jsonArray.get(i).isJsonPrimitive()){
// Deal with a batch of event message
handleNotification(jsonArray.get(i).getAsString());
} else {
handleMsgJsonObject(jsonArray.get(i).getAsJsonObject());
}
}
}
}
private void handleMsgJsonObject(JsonObject jsonObject){
JsonObject header = jsonObject.get(EVENT_HEADER).getAsJsonObject();
if (!header.has(ACTION) || !header.get(ACTION).getAsString().equals(aaiNotifTargetAction)){
return;
}
if (!header.has(ENTITY_TYPE) || !header.get(ENTITY_TYPE).getAsString().equals(aaiNotifTargetEntity)){
return;
}
if (!header.has(SOURCE_NAME) || !header.get(SOURCE_NAME).getAsString().equals(aaiNotifTargetSource)){
return;
}
JsonObject entity = jsonObject.get(ENTITY).getAsJsonObject();
JsonObject body = getNestedJsonObject(entity, aaiNotifTargetEntity);
logger.debug("AAI-EVENT entity object {}", body);
if (body == null){
return;
}
Event event = new SimpleEvent<>(SimpleEvent.Type.ONDEMAND_CHECK, body);
bandwidthEvaluator.post(event);
}
private JsonObject getNestedJsonObject(JsonObject obj, String target){
for (String k: obj.keySet()){
if (k.equals(target)){
//Found it;
return obj.getAsJsonArray(k).get(0).getAsJsonObject();
}
if (obj.get(k).isJsonObject()) {
return getNestedJsonObject(obj.getAsJsonObject(k), target);
} else if (obj.get(k).isJsonArray()){
JsonElement tmp = obj.getAsJsonArray(k).get(0);
if (tmp.isJsonObject()){
return getNestedJsonObject(tmp.getAsJsonObject(), target);
}
}
}
return null;
}
}
|
