summaryrefslogtreecommitdiffstats
path: root/huawei/vnfmadapter/VnfmadapterService/service/src/main/java/org/onap/vfc/nfvo/vnfm/svnfm/vnfmadapter/service/api/internalsvc/impl/VnfmAdapter2DriverMgrService.java
blob: 83652b703abf67f14ad3a3fe5fa92bc3e4349be1 (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
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
/*
 * Copyright 2017 Huawei Technologies Co., Ltd.
 *
 * 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.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.api.internalsvc.impl;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Executors;

import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.common.restclient.SystemEnvVariablesFactory;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.adapter.impl.VnfmAdapter2DriverManager;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.adapter.inf.IVnfmAdapter2DriverManager;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.api.internalsvc.inf.IVnfmAdapter2DriverMgrService;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.constant.Constant;
import org.onap.vfc.nfvo.vnfm.svnfm.vnfmadapter.service.constant.UrlConstant;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import net.sf.json.JSONObject;

/**
 * <br>
 * <p>
 * </p>
 *
 * @author
 * @version VFC 1.0 Jan 23, 2017
 */
public class VnfmAdapter2DriverMgrService implements IVnfmAdapter2DriverMgrService {

    private static final Logger LOG = LoggerFactory.getLogger(VnfmAdapter2DriverMgrService.class);

    public static final String VNFMADAPTER2DRIVERMGR = "vnfmadapter2drivermgr.json";

    @Override
    public void register() {
        // set URL and mothedtype
        Map<String, String> paramsMap = new HashMap<>();
        paramsMap.put("url", UrlConstant.REST_DRIVERMGR_REGISTER);
        paramsMap.put("methodType", Constant.POST);

        // get vim adapter info and raise registration
        try {
            String adapterInfo = readVnfmAdapterInfoFromJson();
            if(!"".equals(adapterInfo)) {
                JSONObject adapterObject = JSONObject.fromObject(adapterInfo);
                RegisterVnfm2DriverMgrThread vnfmAdapterThread =
                        new RegisterVnfm2DriverMgrThread(paramsMap, adapterObject);
                Executors.newSingleThreadExecutor().submit(vnfmAdapterThread);
            } else {
                LOG.error("vnfmadapter2drivermgr info is null,please check!");
            }

        } catch(IOException e) {
            LOG.error("Failed to read vnfmadapter2drivermgr info! " + e.getMessage(), e);
        }

    }

    /**
     * Retrieve VIM driver information.
     *
     * @return
     * @throws IOException
     */
    public static String readVnfmAdapterInfoFromJson() throws IOException {
        String fileContent = "";

        String fileName = SystemEnvVariablesFactory.getInstance().getAppRoot()
                + System.getProperty(Constant.FILE_SEPARATOR) + "etc" + System.getProperty(Constant.FILE_SEPARATOR)
                + "adapterInfo" + System.getProperty(Constant.FILE_SEPARATOR) + VNFMADAPTER2DRIVERMGR;

        try (InputStream ins = new FileInputStream(fileName)){
            try(BufferedInputStream bins = new BufferedInputStream(ins)){

                byte[] contentByte = new byte[ins.available()];
                int num = bins.read(contentByte);

                if(num > 0) {
                    fileContent = new String(contentByte);
                }
            }
        } catch(FileNotFoundException e) {
            LOG.error(fileName + "is not found!", e);
        }

        return fileContent;
    }

    private static class RegisterVnfm2DriverMgrThread implements Runnable {

        private IVnfmAdapter2DriverManager adapter2DriverMgr = new VnfmAdapter2DriverManager();

        // url and mothedtype
        private Map<String, String> paramsMap;

        // driver body
        private JSONObject adapterInfo;

        public RegisterVnfm2DriverMgrThread(Map<String, String> paramsMap, JSONObject adapterInfo) {
            this.paramsMap = paramsMap;
            this.adapterInfo = adapterInfo;
        }

        @Override
        public void run() {
            LOG.info("start register vnfmadapter to Driver Manager", RegisterVnfm2DriverMgrThread.class);

            if(paramsMap == null || adapterInfo == null) {
                LOG.error("parameter is null,please check!", RegisterVnfm2DriverMgrThread.class);
                return;
            }

            // catch Runtime Exception
            try {
                sendRequest(paramsMap, adapterInfo);
            } catch(RuntimeException e) {
                LOG.error(e.getMessage(), e);
            }

        }

        private void sendRequest(Map<String, String> paramsMap, JSONObject driverInfo) {
            JSONObject resultObj = adapter2DriverMgr.registerDriver(paramsMap, driverInfo);

            if(Integer.valueOf(resultObj.get(Constant.RETCODE).toString()) == Constant.HTTP_CREATED) {
                LOG.info("Vnfmadapter has now Successfully Registered to the Driver Manager!");
            } else {
                LOG.error("Vnfmadapter failed to  Register to the Driver Manager! Reason:"
                        + resultObj.get(Constant.REASON).toString() + " retCode:"
                        + resultObj.get(Constant.RETCODE).toString());

                // if registration fails,wait one minute and try again
                try {
                    Thread.sleep(Constant.REPEAT_REG_TIME);
                } catch(InterruptedException e) {
                    LOG.error(e.getMessage(), e);
                    // Restore interrupted state...
                    Thread.currentThread().interrupt();
                }

                sendRequest(this.paramsMap, this.adapterInfo);
            }

        }

    }

    @Override
    public void unregister() {
        // unregister
    }

}