lishuai | 6c56f5e | 2015-11-17 16:38:19 +0800 | [diff] [blame] | 1 | package org.onosproject.vtn.util; |
| 2 | |
| 3 | import static org.onlab.util.Tools.toHex; |
| 4 | |
| 5 | import java.net.URI; |
| 6 | import java.net.URISyntaxException; |
| 7 | import java.util.Calendar; |
| 8 | |
| 9 | import org.onosproject.core.IdGenerator; |
| 10 | import org.onosproject.net.DeviceId; |
| 11 | |
| 12 | public final class DataPathIdGenerator implements IdGenerator { |
| 13 | private static final String SCHEME = "of"; |
| 14 | private String ipAddress; |
| 15 | private String timeStamp; |
| 16 | |
| 17 | private DataPathIdGenerator(Builder builder) { |
| 18 | this.ipAddress = builder.ipAddress; |
| 19 | Calendar cal = Calendar.getInstance(); |
| 20 | this.timeStamp = String.valueOf(cal.get(Calendar.SECOND)) |
| 21 | + String.valueOf(cal.get(Calendar.MILLISECOND)); |
| 22 | } |
| 23 | |
| 24 | @Override |
| 25 | public long getNewId() { |
| 26 | String dpid = ipAddress.replace(".", "") + timeStamp; |
| 27 | return Long.parseLong(dpid); |
| 28 | } |
| 29 | |
| 30 | public String getDpId() { |
| 31 | return toHex(getNewId()); |
| 32 | } |
| 33 | |
| 34 | public DeviceId getDeviceId() { |
| 35 | try { |
| 36 | URI uri = new URI(SCHEME, toHex(getNewId()), null); |
| 37 | return DeviceId.deviceId(uri); |
| 38 | } catch (URISyntaxException e) { |
| 39 | return null; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Returns a new builder. |
| 45 | * |
| 46 | * @return new builder |
| 47 | */ |
| 48 | public static Builder builder() { |
| 49 | return new Builder(); |
| 50 | } |
| 51 | |
| 52 | public static final class Builder { |
| 53 | private String ipAddress; |
| 54 | |
| 55 | public Builder addIpAddress(String ipAddress) { |
| 56 | this.ipAddress = ipAddress; |
| 57 | return this; |
| 58 | } |
| 59 | |
| 60 | public DataPathIdGenerator build() { |
| 61 | return new DataPathIdGenerator(this); |
| 62 | } |
| 63 | } |
| 64 | } |