/*******************************************************************************
* sdrtrunk
* Copyright (C) 2014-2017 Dennis Sheirer
*
* 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 <http://www.gnu.org/licenses/>
*
******************************************************************************/
package module.decode.p25.message.pdu.osp.control;
import alias.AliasList;
import bits.BinaryMessage;
import edac.CRCP25;
import module.decode.p25.message.IAdjacentSite;
import module.decode.p25.message.IBandIdentifier;
import module.decode.p25.message.IdentifierReceiver;
import module.decode.p25.message.pdu.PDUMessage;
import module.decode.p25.message.tsbk.osp.control.SystemService;
import module.decode.p25.reference.DataUnitID;
import module.decode.p25.reference.Opcode;
public class AdjacentStatusBroadcastExtended extends PDUMessage implements IdentifierReceiver, IAdjacentSite
{
public static final int[] LRA = {88, 89, 90, 91, 92, 93, 94, 95};
public static final int[] SYSTEM_ID = {100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111};
public static final int[] RF_SUBSYSTEM_ID = {128, 129, 130, 131, 132, 133, 134, 135};
public static final int[] SITE_ID = {136, 137, 138, 139, 140, 141, 142, 143};
public static final int[] TRANSMIT_IDENTIFIER = {160, 161, 162, 163};
public static final int[] TRANSMIT_CHANNEL = {164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175};
public static final int[] RECEIVE_IDENTIFIER = {176, 177, 178, 179};
public static final int[] RECEIVE_CHANNEL = {180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191};
public static final int[] SYSTEM_SERVICE_CLASS = {192, 193, 194, 195, 196, 197, 198, 199};
public static final int[] MULTIPLE_BLOCK_CRC = {224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236,
237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255};
private IBandIdentifier mTransmitIdentifierProvider;
private IBandIdentifier mReceiveIdentifierProvider;
public AdjacentStatusBroadcastExtended(BinaryMessage message, DataUnitID duid, AliasList aliasList)
{
super(message, duid, aliasList);
/* Header block is already error detected/corrected - perform error
* detection correction on the intermediate and final data blocks */
mMessage = CRCP25.correctPDU1(mMessage);
mCRC[1] = mMessage.getCRC();
}
@Override
public String getEventType()
{
return Opcode.ADJACENT_STATUS_BROADCAST.getDescription();
}
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append(getMessageStub());
sb.append(" LRA:" + getLRA());
sb.append(" SYS:" + getSystemID());
sb.append(" RFSS:" + getRFSS());
sb.append(" SITE:" + getSiteID());
sb.append(" CTRL CHAN:" + getTransmitIdentifier() + "-" + getTransmitChannel());
sb.append(" DN:" + getDownlinkFrequency());
sb.append(" " + getReceiveIdentifier() + "-" + getReceiveChannel());
sb.append(" UP:" + getUplinkFrequency());
sb.append(" SYS SVC CLASS:" + getSystemServiceClass());
return sb.toString();
}
public String getUniqueID()
{
StringBuilder sb = new StringBuilder();
sb.append(getSystemID());
sb.append(":");
sb.append(getRFSS());
sb.append(":");
sb.append(getSiteID());
return sb.toString();
}
public String getSystemID()
{
return mMessage.getHex(SYSTEM_ID, 3);
}
public String getSiteID()
{
return mMessage.getHex(SITE_ID, 2);
}
public int getTransmitIdentifier()
{
return mMessage.getInt(TRANSMIT_IDENTIFIER);
}
public int getTransmitChannel()
{
return mMessage.getInt(TRANSMIT_CHANNEL);
}
public int getReceiveIdentifier()
{
return mMessage.getInt(RECEIVE_IDENTIFIER);
}
public int getReceiveChannel()
{
return mMessage.getInt(RECEIVE_CHANNEL);
}
public long getDownlinkFrequency()
{
if(mTransmitIdentifierProvider != null)
{
return mTransmitIdentifierProvider.getDownlinkFrequency(getTransmitChannel());
}
return 0;
}
public long getUplinkFrequency()
{
if(mReceiveIdentifierProvider != null)
{
return mReceiveIdentifierProvider.getUplinkFrequency(getReceiveChannel());
}
return 0;
}
@Override
public void setIdentifierMessage(int identifier, IBandIdentifier message)
{
if(identifier == getTransmitIdentifier())
{
mTransmitIdentifierProvider = message;
}
if(identifier == getReceiveIdentifier())
{
mReceiveIdentifierProvider = message;
}
}
public int[] getIdentifiers()
{
int[] idens = new int[2];
idens[0] = getTransmitIdentifier();
idens[1] = getReceiveIdentifier();
return idens;
}
@Override
public String getRFSS()
{
return mMessage.getHex(RF_SUBSYSTEM_ID, 2);
}
@Override
public String getLRA()
{
return mMessage.getHex(LRA, 2);
}
@Override
public String getSystemServiceClass()
{
return SystemService.toString(mMessage.getInt(SYSTEM_SERVICE_CLASS));
}
@Override
public String getDownlinkChannel()
{
return getTransmitIdentifier() + "-" + getTransmitChannel();
}
@Override
public String getUplinkChannel()
{
return getReceiveIdentifier() + "-" + getReceiveChannel();
}
}