auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/cass/LocateDAO.java

   1 /**
   2  * ============LICENSE_START====================================================
   3  * org.onap.aaf
   4  * ===========================================================================
   5  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
   6  * ===========================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END====================================================
  19  *
  20  */
  21
  22 package org.onap.aaf.auth.dao.cass;
  23
  24 import java.io.ByteArrayOutputStream;
  25 import java.io.DataInputStream;
  26 import java.io.DataOutputStream;
  27 import java.io.IOException;
  28 import java.nio.ByteBuffer;
  29 import java.util.HashSet;
  30 import java.util.List;
  31 import java.util.Set;
  32 import java.util.UUID;
  33
  34 import org.onap.aaf.auth.dao.AbsCassDAO;
  35 import org.onap.aaf.auth.dao.Bytification;
  36 import org.onap.aaf.auth.dao.CassDAOImpl;
  37 import org.onap.aaf.auth.dao.Loader;
  38 import org.onap.aaf.auth.dao.Streamer;
  39 import org.onap.aaf.auth.env.AuthzTrans;
  40 import org.onap.aaf.auth.layer.Result;
  41 import org.onap.aaf.misc.env.APIException;
  42
  43 import com.datastax.driver.core.Cluster;
  44 import com.datastax.driver.core.Row;
  45
  46 /**
  47  * LocateDAO manages credentials.
  48  * @author Jonathan
  49  * Date: 10/11/17
  50  */
  51 public class LocateDAO extends CassDAOImpl<AuthzTrans,LocateDAO.Data> {
  52     public static final String TABLE = "locate";
  53         private AbsCassDAO<AuthzTrans, Data>.PSInfo psName;
  54
  55     public LocateDAO(AuthzTrans trans, Cluster cluster, String keyspace) throws APIException, IOException {
  56         super(trans, LocateDAO.class.getSimpleName(),cluster, keyspace, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
  57         init(trans);
  58     }
  59
  60     public LocateDAO(AuthzTrans trans, AbsCassDAO<AuthzTrans,?> adao) throws APIException, IOException {
  61         super(trans, LocateDAO.class.getSimpleName(), adao, Data.class,TABLE, readConsistency(trans,TABLE), writeConsistency(trans,TABLE));
  62         init(trans);
  63     }
  64
  65     public static final int KEYLIMIT = 3;
  66         public static class Data implements Bytification {
  67
  68         public String                                   name;
  69                 public String                                   hostname;
  70                 public int                                              port;
  71                 public int                                              major;
  72                 public int                                              minor;
  73                 public int                                              patch;
  74                 public int                                              pkg;
  75                 public float                                            latitude;
  76                 public float                                            longitude;
  77                 public String                                   protocol;
  78                 private Set<String>                             subprotocol;
  79                 public UUID                                             port_key; // Note: Keep Port_key LAST at all times, because we shorten the UPDATE to leave Port_key Alone during reregistration.
  80
  81           // Getters
  82                 public Set<String> subprotocol(boolean mutable) {
  83                         if (subprotocol == null) {
  84                                 subprotocol = new HashSet<String>();
  85                         } else if (mutable && !(subprotocol instanceof HashSet)) {
  86                                 subprotocol = new HashSet<String>(subprotocol);
  87                         }
  88                         return subprotocol;
  89                 }
  90
  91         @Override
  92                 public ByteBuffer bytify() throws IOException {
  93                         ByteArrayOutputStream baos = new ByteArrayOutputStream();
  94                         LocateLoader.deflt.marshal(this,new DataOutputStream(baos));
  95                         return ByteBuffer.wrap(baos.toByteArray());
  96                 }
  97
  98                 @Override
  99                 public void reconstitute(ByteBuffer bb) throws IOException {
 100                         LocateLoader.deflt.unmarshal(this, toDIS(bb));
 101                 }
 102     }
 103
 104     private static class LocateLoader extends Loader<Data> implements Streamer<Data>{
 105                 public static final int MAGIC=85102934;
 106                 public static final int VERSION=1;
 107                 public static final int BUFF_SIZE=48; // Note:
 108
 109                 public static final LocateLoader deflt = new LocateLoader(KEYLIMIT);
 110                 public LocateLoader(int keylimit) {
 111                 super(keylimit);
 112         }
 113
 114         @Override
 115         public Data load(Data data, Row row) {
 116                         data.name = row.getString(0);
 117                         data.hostname = row.getString(1);
 118                         data.port = row.getInt(2);
 119                         data.major = row.getInt(3);
 120                         data.minor = row.getInt(4);
 121                         data.patch = row.getInt(5);
 122                         data.pkg = row.getInt(6);
 123                         data.latitude = row.getFloat(7);
 124                         data.longitude = row.getFloat(8);
 125                         data.protocol = row.getString(9);
 126                         data.subprotocol = row.getSet(10,String.class);
 127                         data.port_key = row.getUUID(11);
 128             return data;
 129         }
 130
 131         @Override
 132         protected void key(Data data, int idx, Object[] obj) {
 133             obj[idx] = data.name;
 134             obj[++idx] = data.hostname;
 135             obj[++idx] = data.port;
 136         }
 137
 138         @Override
 139         protected void body(final Data data, final int _idx, final Object[] obj) {
 140                         int idx = _idx;
 141             obj[idx] = data.major;
 142             obj[++idx] = data.minor;
 143             obj[++idx] = data.patch;
 144             obj[++idx] = data.pkg;
 145             obj[++idx] = data.latitude;
 146             obj[++idx] = data.longitude;
 147             obj[++idx] = data.protocol;
 148             obj[++idx] = data.subprotocol;
 149             obj[++idx] = data.port_key;
 150         }
 151
 152                 @Override
 153                 public void marshal(Data data, DataOutputStream os) throws IOException {
 154                         writeHeader(os,MAGIC,VERSION);
 155                         writeString(os, data.name);
 156                         writeString(os, data.hostname);
 157                         os.writeInt(data.port);
 158                         os.writeInt(data.major);
 159                         os.writeInt(data.minor);
 160                         os.writeInt(data.patch);
 161                         os.writeInt(data.pkg);
 162                         os.writeFloat(data.latitude);
 163                         os.writeFloat(data.longitude);
 164                         writeString(os, data.protocol);
 165                         if(data.subprotocol==null) {
 166                                 os.writeInt(0);
 167                         } else {
 168                                 os.writeInt(data.subprotocol.size());
 169                                 for(String s: data.subprotocol) {
 170                                         writeString(os,s);
 171                                 }
 172                         }
 173
 174                         writeString(os,data.port_key==null?"":data.port_key.toString());
 175                 }
 176
 177                 @Override
 178                 public void unmarshal(Data data, DataInputStream is) throws IOException {
 179                         /*int version = */readHeader(is,MAGIC,VERSION);
 180                         // If Version Changes between Production runs, you'll need to do a switch Statement, and adequately read in fields
 181                         byte[] buff = new byte[BUFF_SIZE];
 182                         data.name = readString(is,buff);
 183                         data.hostname = readString(is,buff);
 184                         data.port = is.readInt();
 185                         data.major = is.readInt();
 186                         data.minor = is.readInt();
 187                         data.patch = is.readInt();
 188                         data.pkg = is.readInt();
 189                         data.latitude = is.readFloat();
 190                         data.longitude = is.readFloat();
 191                         data.protocol = readString(is,buff);
 192
 193                         int size = is.readInt();
 194                         data.subprotocol = new HashSet<String>(size);
 195                         for(int i=0;i<size;++i) {
 196                                 data.subprotocol.add(readString(is,buff));
 197                         }
 198                         String port_key = readString(is,buff);
 199                         if(port_key.length()>0) {
 200                                 data.port_key=UUID.fromString(port_key);
 201                         } else {
 202                                 data.port_key = null;
 203                         }
 204                 }
 205     }
 206
 207     public Result<List<LocateDAO.Data>> readByName(AuthzTrans trans, String service) {
 208                 return psName.read(trans, "Read By Name", new Object[] {service});
 209     }
 210
 211     private void init(AuthzTrans trans) throws APIException, IOException {
 212         // Set up sub-DAOs
 213                 String[] helpers = setCRUD(trans, TABLE, Data.class, LocateLoader.deflt);
 214 //              int lastComma = helpers[ASSIGNMENT_COMMAS].lastIndexOf(',');
 215 //              replace(CRUD.update,new PSInfo(trans,"UPDATE LOCATE SET " + helpers[ASSIGNMENT_COMMAS].substring(0, lastComma) +
 216 //                              " WHERE name=? AND hostname=? AND port=?;", new LocateLoader(3),writeConsistency));
 217                 psName = new PSInfo(trans, SELECT_SP + helpers[FIELD_COMMAS] + " FROM " + TABLE +
 218                                 " WHERE name = ?", new LocateLoader(1),readConsistency);
 219     }
 220
 221     /**
 222      * Log Modification statements to History
 223      *
 224      * @param modified        which CRUD action was done
 225      * @param data            entity data that needs a log entry
 226      * @param overrideMessage if this is specified, we use it rather than crafting a history message based on data
 227      */
 228     @Override
 229     protected void wasModified(AuthzTrans trans, CRUD modified, Data data, String ... override) {
 230     }
 231 }