OVSBridge.java

/*
 * Copyright (c) 2013 Big Switch Networks, Inc.
 *
 * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/legal/epl-v10.html
 *
 * 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.sdnplatform.ovsdb.internal;

import java.util.ArrayList;

import org.codehaus.jackson.annotate.JsonProperty;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


/**
 * OVSBridge maps the ovsdb table "Bridge"
 * Used by Jackson to decode JSON to POJO
 * 
 * @author Saurav Das
 *
 */
public class OVSBridge {
    private static Logger logger = LoggerFactory.getLogger(OVSBridge.class);

    private BridgeMap newmap;
    private BridgeMap oldmap;
    
    public BridgeMap getNew() {
        return newmap;
    }
    public void setNew(BridgeMap newmap) {
        this.newmap = newmap;
    }
    public BridgeMap getOld() {
        return oldmap;
    }
    public void setOld(BridgeMap oldmap) {
        this.oldmap = oldmap;
    }
    
    @Override
    public String toString() {
        return newmap.toString();
    }
    
    public static class BridgeMap {
        private String name;
        
        //ports = ["set",[["uuid","xxx"],["uuid","yyy"]]]
        private ArrayList<Object> ports;
        
        //controller = ["uuid","zzz"] if there is a single controller
        // =  ["set", []] if there are none
        // =  ["set", [["uuid","zzz"], ["uuid","zxy"]] if more than one
        private ArrayList<Object> controller;
        private Object fail_mode;
        private String datapath_id;
        
        //other_config = ["map",[["datapath-id","z"],
        //["datapath_type","system"],["tunnel-ip","x.x.x.x"]]]
        private ArrayList<Object> otherConfigArray;
        
        public String getName() {
            return name;
        }
        public void setName(String name) {
            this.name = name;
        }
        @JsonProperty("datapath_id")
        public String getDPID() {
            return datapath_id;
        }
        @JsonProperty("datapath_id")
        public void setDPID(String datapath_id) {
            this.datapath_id = datapath_id;
        }
        public ArrayList<Object> getPorts() {
            return ports;
        }
        public void setPorts(ArrayList<Object> ports) {
            this.ports = ports;
        }
        public ArrayList<Object> getController() {
            return controller;
        }
        public void setController(ArrayList<Object> controller) {
            this.controller = controller;
        }
        public Object getFail_mode() {
            return fail_mode;
        }
        public void setFail_mode(Object fail_mode) {
            this.fail_mode = fail_mode;
        }
        @JsonProperty("other_config")
        public ArrayList<Object> getOCArray() {
            return otherConfigArray;
        }
        @JsonProperty("other_config")
        public void setOCArray(ArrayList<Object> otherConfigArray) {
            this.otherConfigArray = otherConfigArray;
        }
        
        @Override
        public String toString() {
            return name+" "+controller.toString()+" "+ datapath_id + 
                " "+ports.toString() + getTunnelIPAddress();
        }
               
        @SuppressWarnings("unchecked")
        public ArrayList<String> getPortUuids() {
            ArrayList<String> ulist = new ArrayList<String>();
            String indicator = (String) ports.get(0);
            if (indicator.equals("set")) {
                ArrayList<Object> o = (ArrayList<Object>) ports.get(1);
                for(int i =0; i<o.size(); i++) {
                    ArrayList<String> str = (ArrayList<String>)o.get(i);
                    ulist.add(str.get(1)); // 0 is "uuid"
                }
            } else if (indicator.equals("uuid")) {
                ulist.add((String)ports.get(1));
            }
            return ulist;
        }
        
        @SuppressWarnings("unchecked")
        public String getTunnelIPAddress() {
            ArrayList<ArrayList<String>> a = (ArrayList<ArrayList<String>>) 
                otherConfigArray.get(1); 
            for (int i=0; i<a.size(); i++) {
                if(a.get(i).get(0).equals("tunnel-ip") &&
                        a.get(i).size() == 2) {
                    return a.get(i).get(1);
                }
            }
            return null;
        }

        public long getReportedDpid() {
            String dpidstr = getReportedDpidString();
            if (dpidstr == null) return -1;
            //convert dpidstr to a long value
            return Long.parseLong(dpidstr, 16);
        }
        
        @SuppressWarnings("unchecked")
        public String getReportedDpidString() {
            String dpidstr = null;
            // try other-config column first
            ArrayList<ArrayList<String>> a = (ArrayList<ArrayList<String>>) 
                otherConfigArray.get(1);  
            for (int i=0; i<a.size(); i++) {
                if(a.get(i).get(0).equals("datapath-id") &&
                        a.get(i).size() == 2) {
                    dpidstr =  a.get(i).get(1);
                }
            }
            if (dpidstr != null) {
                if (!dpidstr.equals(getDPID())) {
                    logger.warn("Dpids don't match dpid-col:{} " +
                            "other-config:{}", getDPID(), dpidstr);
                }
                return dpidstr;
            }
            // try datapath_id column
            return getDPID();
        }
           
    }
    
}