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/*
* Copyright (C) 2015 SDN-WISE
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package com.github.sdnwiselab.sdnwise.packet;
import com.github.sdnwiselab.sdnwise.flowtable.FlowTableEntry;
import com.github.sdnwiselab.sdnwise.util.NodeAddress;
import java.util.LinkedList;
import java.util.List;
/**
* This class models a Configuration packet.
*
* @author Sebastiano Milardo
*/
public class ConfigPacket extends NetworkPacket{
// TODO this class will be divided into an ConfigPacket and many
// ConfigAddressPacket, ConfigNetIdPacket, etc...
public final static byte
SDN_WISE_CNF_READ = 0,
SDN_WISE_CNF_WRITE = 1,
SDN_WISE_CNF_ID_ADDR = 0,
SDN_WISE_CNF_ID_NET_ID = 1,
SDN_WISE_CNF_ID_CNT_BEACON_MAX = 2,
SDN_WISE_CNF_ID_CNT_REPORT_MAX = 3,
SDN_WISE_CNF_ID_CNT_UPDTABLE_MAX = 4,
SDN_WISE_CNF_ID_CNT_SLEEP_MAX = 5,
SDN_WISE_CNF_ID_TTL_MAX = 6,
SDN_WISE_CNF_ID_RSSI_MIN = 7,
SDN_WISE_CNF_ADD_ACCEPTED = 8,
SDN_WISE_CNF_REMOVE_ACCEPTED = 9,
SDN_WISE_CNF_LIST_ACCEPTED = 10,
SDN_WISE_CNF_ADD_RULE = 11,
SDN_WISE_CNF_REMOVE_RULE = 12,
SDN_WISE_CNF_REMOVE_RULE_INDEX = 13,
SDN_WISE_CNF_GET_RULE_INDEX = 14,
SDN_WISE_CNF_RESET = 15,
SDN_WISE_CNF_ADD_FUNCTION = 16,
SDN_WISE_CNF_REMOVE_FUNCTION = 17;
private boolean isWrite = false;
public ConfigPacket(byte[] data) {
super(data);
}
public ConfigPacket() {
super();
this.setType(SDN_WISE_CONFIG);
}
public ConfigPacket(int[] data) {
super(data);
}
private ConfigPacket setRead() {
if (this.getPayloadSize()<1){
this.setPayloadSize((byte)1);
}
isWrite = false;
setPayloadAt((byte)(this.getPayloadAt(0) | ( SDN_WISE_CNF_READ << 7)), 0);
setPayloadAt((byte)0, 1);
setPayloadAt((byte)0, 2);
return this;
}
private ConfigPacket setWrite() {
if (this.getPayloadSize()<1){
this.setPayloadSize((byte)1);
}
isWrite = true;
setPayloadAt((byte)((this.getPayloadAt(0)) | ( SDN_WISE_CNF_WRITE << 7)), 0);
return this;
}
public final byte getConfigId(){
return (byte)(super.getPayloadAt((byte)0) & 0x7F);
}
private ConfigPacket setConfigId(int id){
if (isWrite){
setPayloadAt((byte)(id | (1<<7)), 0);
} else {
setPayloadAt((byte)(id), 0);
}
return this;
}
private ConfigPacket setValue(byte high, byte low){
super.setPayloadAt(high, 1);
super.setPayloadAt(low, 2);
return this;
}
private ConfigPacket setValue(int value){
super.setPayloadAt((byte)(value >> 8), (byte)1);
super.setPayloadAt((byte)(value & 0xFF), (byte)2);
return this;
}
public final ConfigPacket setNodeAddressValue(NodeAddress newAddr){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_ADDR)
.setValue(newAddr.getHigh(),newAddr.getLow());
return this;
}
public final ConfigPacket setNetworkIdValue(byte id){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_NET_ID)
.setValue((byte)0,id);
return this;
}
public final ConfigPacket setBeaconPeriodValue(int period){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_CNT_BEACON_MAX)
.setValue(period);
return this;
}
public final ConfigPacket setReportPeriodValue(int period){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_CNT_REPORT_MAX)
.setValue(period);
return this;
}
public final ConfigPacket setUpdateTablePeriodValue(int period){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_CNT_UPDTABLE_MAX)
.setValue(period);
return this;
}
public final ConfigPacket setSleepIntervalValue(int period){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_CNT_SLEEP_MAX)
.setValue(period);
return this;
}
public final ConfigPacket setDefaultTtlMaxValue(byte ttl){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_TTL_MAX)
.setValue((byte)0,ttl);
return this;
}
public final ConfigPacket setDefaultRssiMinValue(byte rssi){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ID_RSSI_MIN)
.setValue((byte)0,rssi);
return this;
}
public final ConfigPacket setAddAcceptedAddressValue(NodeAddress addr){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ADD_ACCEPTED)
.setValue(addr.getHigh(),addr.getLow());
return this;
}
public final ConfigPacket setRemoveAcceptedAddressValue(NodeAddress addr){
this.setWrite()
.setConfigId(SDN_WISE_CNF_REMOVE_ACCEPTED)
.setValue(addr.getHigh(),addr.getLow());
return this;
}
public final ConfigPacket setReadAcceptedAddressesValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_LIST_ACCEPTED);
return this;
}
public final ConfigPacket setAddRuleValue(FlowTableEntry flow){
byte[] flowArray = flow.toByteArray();
this.setWrite()
.setConfigId(SDN_WISE_CNF_ADD_RULE)
.setPayload(flowArray,(byte)0,(byte)1,(byte)flowArray.length);
return this;
}
public final ConfigPacket setAddRuleAtPositionValue(FlowTableEntry flow,
int index){
byte[] flowArray = flow.toByteArray();
this.setWrite()
.setConfigId(SDN_WISE_CNF_ADD_RULE)
.setValue(index)
.setPayload(flowArray,(byte)0,(byte)3,(byte)flowArray.length);
return this;
}
public final ConfigPacket setAddFunctionAtPositionValue(int index,
byte[] payload){
this.setWrite()
.setConfigId(SDN_WISE_CNF_ADD_FUNCTION)
.setValue(index)
.setPayload(payload,(byte)0,(byte)3,(byte)payload.length);
return this;
}
public final ConfigPacket setRemoveFunctionAtPositionValue(int index){
this.setWrite()
.setConfigId(SDN_WISE_CNF_REMOVE_FUNCTION)
.setValue(index);
return this;
}
public final ConfigPacket setRemoveRuleValue(FlowTableEntry flow){
byte[] flowArray = flow.toByteArray();
this.setWrite()
.setConfigId(SDN_WISE_CNF_REMOVE_RULE)
.setPayload(flowArray,(byte)0,(byte)1,(byte)flowArray.length);
return this;
}
public final ConfigPacket setRemoveRuleAtPositionValue(int index){
this.setWrite()
.setConfigId(SDN_WISE_CNF_REMOVE_RULE_INDEX)
.setValue(index);
return this;
}
public final ConfigPacket setReadRuleAtPositionValue(int index){
this.setRead()
.setConfigId(SDN_WISE_CNF_GET_RULE_INDEX)
.setValue(index);
return this;
}
public final ConfigPacket setResetValue(){
this.setWrite()
.setConfigId(SDN_WISE_CNF_RESET);
return this;
}
//--------------------------------------------------------------------------
public final ConfigPacket setReadNodeAddressValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_ADDR);
return this;
}
public final ConfigPacket setReadNetworkIdValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_NET_ID);
return this;
}
public final ConfigPacket setReadBeaconPeriodValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_CNT_BEACON_MAX);
return this;
}
public final ConfigPacket setReadReportPeriodValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_CNT_REPORT_MAX);
return this;
}
public final ConfigPacket setReadUpdateTablePeriodValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_CNT_UPDTABLE_MAX);
return this;
}
public final ConfigPacket setReadSleepIntervalValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_CNT_SLEEP_MAX);
return this;
}
public final ConfigPacket setReadDefaultTtlMaxValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_TTL_MAX);
return this;
}
public final ConfigPacket setReadDefaultRssiMinValue(){
this.setRead()
.setConfigId(SDN_WISE_CNF_ID_RSSI_MIN);
return this;
}
//--------------------------------------------------------------------------
public final NodeAddress getNodeAddress(){
if (getConfigId() == SDN_WISE_CNF_ID_ADDR){
return new NodeAddress(this.getPayloadAt((byte)1),
this.getPayloadAt(2));
} else {
return null;
}
}
public final int getNetworkIdValue(){
if (getConfigId() == SDN_WISE_CNF_ID_NET_ID){
return getPayloadAt(2);
} else {
return -1;
}
}
public final int getBeaconPeriodValue(){
if (getConfigId() == SDN_WISE_CNF_ID_CNT_BEACON_MAX){
return ((getPayloadAt(1)<<8) + getPayloadAt(2));
} else {
return -1;
}
}
public final int getReportPeriodValue(){
if (getConfigId() == SDN_WISE_CNF_ID_CNT_REPORT_MAX){
return ((getPayloadAt(1)<<8) + getPayloadAt(2));
} else {
return -1;
}
}
public final int getUpdateTablePeriodValue(){
if (getConfigId() == SDN_WISE_CNF_ID_CNT_UPDTABLE_MAX){
return getPayloadAt(1)<<8 + getPayloadAt(2);
} else {
return -1;
}
}
public final int getSleepIntervalValue(){
if (getConfigId() == SDN_WISE_CNF_ID_CNT_SLEEP_MAX){
return getPayloadAt(1)<<8 + getPayloadAt(2);
} else {
return -1;
}
}
public final int getDefaultTtlMaxValue(){
if (getConfigId() == SDN_WISE_CNF_ID_TTL_MAX){
return getPayloadAt(2) & 0xFF;
} else {
return -1;
}
}
public final int getDefaultRssiMinValue(){
if (getConfigId() == SDN_WISE_CNF_ID_RSSI_MIN){
return getPayloadAt(2) & 0xFF;
} else {
return -1;
}
}
public List getAcceptedAddressesValues(){
LinkedList list = new LinkedList<>();
if (getConfigId() == SDN_WISE_CNF_LIST_ACCEPTED){
for (int i = 1; i < getPayloadSize(); i += 2) {
if (getPayloadAt(i) != -1 && getPayloadAt(i + 1) != -1) {
list.add(new NodeAddress(
getPayloadAt(i) & 0xFF,
getPayloadAt(i + 1) & 0xFF)
);
}
}
}
return list;
}
public FlowTableEntry getRule(){
FlowTableEntry rule = null;
if (getConfigId() == SDN_WISE_CNF_GET_RULE_INDEX){
rule = new FlowTableEntry(this.copyPayloadOfRange(3,
3 + FlowTableEntry.SDN_WISE_RULE_COPY_LEN));
}
return rule;
}
}
