| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You 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.apache.geode.distributed.internal.membership.gms.messenger; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.io.ObjectInput; |
| import java.io.ObjectOutput; |
| import java.net.Inet4Address; |
| import java.net.Inet6Address; |
| import java.net.InetAddress; |
| |
| import org.jgroups.Global; |
| import org.jgroups.stack.IpAddress; |
| import org.jgroups.util.UUID; |
| |
| import org.apache.geode.distributed.internal.DistributionConfig; |
| import org.apache.geode.distributed.internal.membership.gms.api.MemberData; |
| import org.apache.geode.distributed.internal.membership.gms.api.MemberIdentifier; |
| import org.apache.geode.internal.net.SocketCreator; |
| |
| /** |
| * This is a copy of JGroups 3.6.4 IpAddress (Apache 2.0 License) that is repurposed to be a Logical |
| * address so that we can quickly pull a physical address out of the logical address set in a |
| * message by JGroupsMessenger. |
| */ |
| |
| public class JGAddress extends UUID { |
| private static final long serialVersionUID = -1818672332115113291L; |
| |
| // whether to show UUID info in toString() |
| private static final boolean SHOW_UUIDS = |
| Boolean.getBoolean(DistributionConfig.GEMFIRE_PREFIX + "show_UUIDs"); |
| |
| private InetAddress ip_addr; |
| private int port; |
| private int vmViewId; |
| |
| |
| // Used only by Externalization |
| public JGAddress() {} |
| |
| public JGAddress(MemberIdentifier mbr) { |
| super(); |
| this.ip_addr = mbr.getInetAddress(); |
| this.port = mbr.getMembershipPort(); |
| MemberData memberData = mbr.getMemberData(); |
| this.mostSigBits = memberData.getUuidMostSignificantBits(); |
| this.leastSigBits = memberData.getUuidLeastSignificantBits(); |
| this.vmViewId = memberData.getVmViewId(); |
| } |
| |
| |
| public JGAddress(UUID uuid, IpAddress ipaddr) { |
| super(uuid.getMostSignificantBits(), uuid.getLeastSignificantBits()); |
| ip_addr = ipaddr.getIpAddress(); |
| port = ipaddr.getPort(); |
| vmViewId = -1; |
| } |
| |
| |
| public InetAddress getInetAddress() { |
| return ip_addr; |
| } |
| |
| public int getPort() { |
| return port; |
| } |
| |
| public int getVmViewId() { |
| return this.vmViewId; |
| } |
| |
| protected void setVmViewId(int id) { |
| this.vmViewId = id; |
| } |
| |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| |
| if (ip_addr == null) |
| sb.append("<null>"); |
| else { |
| if (SocketCreator.resolve_dns) { |
| sb.append(SocketCreator.getHostName(ip_addr)); |
| } else { |
| sb.append(ip_addr.getHostAddress()); |
| } |
| } |
| if (vmViewId >= 0) { |
| sb.append("<v").append(vmViewId).append('>'); |
| } |
| if (SHOW_UUIDS) { |
| sb.append("(").append(toStringLong()).append(")"); |
| } else if (mostSigBits == 0 && leastSigBits == 0) { |
| sb.append("(no uuid set)"); |
| } |
| sb.append(":").append(port); |
| return sb.toString(); |
| } |
| |
| |
| @Override |
| public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { |
| try { |
| readFrom(in); |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| } |
| |
| @Override |
| public void writeExternal(ObjectOutput out) throws IOException { |
| try { |
| writeTo(out); |
| } catch (Exception e) { |
| throw new IOException(e); |
| } |
| } |
| |
| @Override |
| public void writeTo(DataOutput out) throws Exception { |
| if (ip_addr != null) { |
| byte[] address = ip_addr.getAddress(); // 4 bytes (IPv4) or 16 bytes (IPv6) |
| out.writeByte(address.length); // 1 byte |
| out.write(address, 0, address.length); |
| if (ip_addr instanceof Inet6Address) |
| out.writeInt(((Inet6Address) ip_addr).getScopeId()); |
| } else { |
| out.writeByte(0); |
| } |
| out.writeShort(port); |
| out.writeInt(vmViewId); |
| out.writeLong(mostSigBits); |
| out.writeLong(leastSigBits); |
| } |
| |
| public long getUUIDMsbs() { |
| return mostSigBits; |
| } |
| |
| public long getUUIDLsbs() { |
| return leastSigBits; |
| } |
| |
| @Override |
| public void readFrom(DataInput in) throws Exception { |
| int len = in.readByte(); |
| if (len > 0 && (len != Global.IPV4_SIZE && len != Global.IPV6_SIZE)) |
| throw new IOException("length has to be " + Global.IPV4_SIZE + " or " + Global.IPV6_SIZE |
| + " bytes (was " + len + " bytes)"); |
| byte[] a = new byte[len]; // 4 bytes (IPv4) or 16 bytes (IPv6) |
| in.readFully(a); |
| if (len == Global.IPV6_SIZE) { |
| int scope_id = in.readInt(); |
| this.ip_addr = Inet6Address.getByAddress(null, a, scope_id); |
| } else { |
| this.ip_addr = InetAddress.getByAddress(a); |
| } |
| |
| // changed from readShort(): we need the full 65535, with a short we'd only get up to 32K ! |
| port = in.readUnsignedShort(); |
| vmViewId = in.readInt(); |
| mostSigBits = in.readLong(); |
| leastSigBits = in.readLong(); |
| } |
| |
| @Override |
| public int size() { |
| // length (1 bytes) + 4 bytes for port |
| int tmp_size = |
| Global.BYTE_SIZE + Global.SHORT_SIZE + Global.SHORT_SIZE + (2 * Global.LONG_SIZE); |
| if (ip_addr != null) { |
| // 4 bytes for IPv4, 20 for IPv6 (16 + 4 for scope-id) |
| tmp_size += (ip_addr instanceof Inet4Address) ? 4 : 20; |
| } |
| return tmp_size; |
| } |
| |
| @Override |
| public JGAddress copy() { |
| JGAddress result = new JGAddress(); |
| result.mostSigBits = mostSigBits; |
| result.leastSigBits = leastSigBits; |
| result.ip_addr = ip_addr; |
| result.port = port; |
| result.vmViewId = vmViewId; |
| return result; |
| } |
| |
| public IpAddress asIpAddress() { |
| return new IpAddress(ip_addr, port); |
| } |
| |
| } |