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Code Issues Packages Projects Releases 2 Wiki Activity

P25 Work-in-progress check-in.

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dennis.sheirer
2014-11-10 09:53:03 +00:00
parent 7b89c614e7
commit 46e3594c07
31 changed files with 2271 additions and 227 deletions
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116
src/decode/p25/message/P25Message.java Normal file
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package decode.p25.message;
import decode.p25.reference.DataUnitID;
import map.Plottable;
import message.Message;
import alias.Alias;
import bits.BitSetBuffer;
public class P25Message extends Message
{
public static final int[] NAC = { 0,1,2,3,4,5,6,7,8,9,10,11 };
public static final int[] DUID = { 12,13,14,15 };
public static final int[] BCH = { 16,17,18,19,20,21,22,23,24,25,26,27,28,29,
30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,
54,55,56,57,58,59,60,61,62,63 };
protected BitSetBuffer mMessage;
protected DataUnitID mDUID;
public P25Message( BitSetBuffer message, DataUnitID duid )
{
super();
mMessage = message;
mDUID = duid;
}
public String getNAC()
{
return mMessage.getHex( NAC, 3 );
}
public DataUnitID getDUID()
{
return mDUID;
}
@Override
public String getErrorStatus()
{
return "UNK";
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( "NAC:" );
sb.append( getNAC() );
sb.append( " " );
sb.append( getDUID().name() );
return sb.toString();
}
@Override
public String getBinaryMessage()
{
return mMessage.toString();
}
@Override
public String getProtocol()
{
return "P25 Phase 1";
}
@Override
public String getEventType()
{
return mDUID.name();
}
@Override
public String getFromID()
{
return null;
}
@Override
public Alias getFromIDAlias()
{
return null;
}
@Override
public String getToID()
{
return null;
}
@Override
public Alias getToIDAlias()
{
return null;
}
@Override
public Plottable getPlottable()
{
return null;
}
@Override
public String toString()
{
return getMessage();
}
@Override
public boolean isValid()
{
return true;
}
}

157
src/decode/p25/message/PDUMessage.java Normal file
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package decode.p25.message;
import decode.p25.reference.DataUnitID;
import decode.p25.reference.PDUFormat;
import decode.p25.reference.ServiceAccessPoint;
import decode.p25.reference.Vendor;
import bits.BitSetBuffer;
public class PDUMessage extends P25Message
{
public static final int PDU_HEADER_DUMMY1 = 66; //Always 0
public static final int PDU_HEADER_CONFIRMATION_REQUIRED = 67;
public static final int PDU_HEADER_DIRECTION_FLAG = 68;
public static final int[] PDU_HEADER_FORMAT = { 69,70,71,72,73 };
public static final int PDU_HEADER_DUMMY2 = 74; //Always 1
public static final int PDU_HEADER_DUMMY3 = 75; //Always 1
public static final int[] PDU_HEADER_SAP_ID = { 76,77,78,79,80 };
public static final int[] PDU_HEADER_VENDOR_ID = { 81,82,83,84,85,86,87,88 };
public static final int[] PDU_HEADER_LOGICAL_LINK_ID = { 89,90,91,92,93,94,
97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114 };
public static final int PDU_HEADER_FULL_MESSAGE_FLAG = 115;
public static final int[] PDU_HEADER_BLOCKS_TO_FOLLOW = { 116,117,118,119,
120,121,122 };
public static final int PDU_HEADER_DUMMY4 = 123; //Always 0
public static final int PDU_HEADER_DUMMY5 = 124; //Always 0
public static final int PDU_HEADER_DUMMY6 = 125; //Always 0
public static final int[] PDU_HEADER_PAD_BLOCKS = { 126,127,128,129,130 };
public static final int PDU_HEADER_RESYNCHRONIZE_FLAG = 131;
public static final int[] PDU_HEADER_SEQUENCE_NUMBER = { 132,133,134 };
public static final int[] PDU_HEADER_FRAGMENT_SEQUENCE_NUMBER = { 135,136,
137,138 };
public static final int PDU_HEADER_DUMMY7 = 139; //Always 0
public static final int PDU_HEADER_DUMMY8 = 140; //Always 0
public static final int[] PDU_HEADER_DATA_HEADER_OFFSET = { 141,142,143,
144,145,146 };
public static final int[] PDU_HEADER_CRC = { 147,148,149,150,151,152,153,154,
155,156,157,158,159,160,161,162 };
//status 166,167
public PDUMessage( BitSetBuffer message, DataUnitID duid )
{
super( message, duid );
}
public String getConfirmation()
{
return mMessage.get( PDU_HEADER_CONFIRMATION_REQUIRED ) ? "CON" : "UNC";
}
public String getDirection()
{
return mMessage.get( PDU_HEADER_DIRECTION_FLAG ) ? "OSP" : "ISP";
}
public PDUFormat getFormat()
{
return PDUFormat.fromValue( mMessage.getInt( PDU_HEADER_FORMAT ) );
}
public ServiceAccessPoint getServiceAccessPoint()
{
return ServiceAccessPoint.fromValue( mMessage.getInt( PDU_HEADER_SAP_ID ) );
}
public Vendor getVendor()
{
return Vendor.fromValue( mMessage.getInt( PDU_HEADER_VENDOR_ID ) );
}
public String getLogicalLinkID()
{
return mMessage.getHex( PDU_HEADER_LOGICAL_LINK_ID, 6 );
}
public boolean isFullMessage()
{
return mMessage.get( PDU_HEADER_FULL_MESSAGE_FLAG );
}
public int getBlockCount()
{
return mMessage.getInt( PDU_HEADER_BLOCKS_TO_FOLLOW );
}
public int getPadBlockCount()
{
return mMessage.getInt( PDU_HEADER_PAD_BLOCKS );
}
public boolean isResync()
{
return mMessage.get( PDU_HEADER_RESYNCHRONIZE_FLAG );
}
public int getSequenceNumber()
{
return mMessage.getInt( PDU_HEADER_SEQUENCE_NUMBER );
}
public int getFragmentSequenceNumber()
{
return mMessage.getInt( PDU_HEADER_FRAGMENT_SEQUENCE_NUMBER );
}
public int getDataHeaderOffset()
{
return mMessage.getInt( PDU_HEADER_DATA_HEADER_OFFSET );
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( "NAC:" );
sb.append( getNAC() );
sb.append( " " );
sb.append( getDUID().name() );
sb.append( " " );
sb.append( getConfirmation() );
sb.append( " " );
sb.append( getDirection() );
sb.append( " FMT:" );
sb.append( getFormat().getLabel() );
switch( getFormat() )
{
case ALTERNATE_MULTI_BLOCK_TRUNKING_CONTROL:
case UNCONFIRMED_MULTI_BLOCK_TRUNKING_CONTROL:
sb.append( " SAP:" );
sb.append( getServiceAccessPoint().getLabel() );
sb.append( " VEND:" );
sb.append( getVendor().getLabel() );
sb.append( " LLID:" );
sb.append( getLogicalLinkID() );
sb.append( " FMF:" );
sb.append( isFullMessage() ? "1" : "0" );
sb.append( " BLKS:" );
sb.append( getBlockCount() );
sb.append( " PAD:" );
sb.append( getPadBlockCount() );
sb.append( " RESYNC:" );
sb.append( isResync() ? "1" : "0" );
sb.append( " SEQ:" );
sb.append( getSequenceNumber() );
sb.append( " FRAG:" );
sb.append( getFragmentSequenceNumber() );
sb.append( " DHO:" );
sb.append( getDataHeaderOffset() );
break;
default:
}
return sb.toString();
}
}

67
src/decode/p25/message/TSBKMessage.java Normal file
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package decode.p25.message;
import decode.p25.reference.DataUnitID;
import decode.p25.reference.Opcode;
import decode.p25.reference.Vendor;
import bits.BitSetBuffer;
public class TSBKMessage extends P25Message
{
public static final int LAST_BLOCK_FLAG = 0;
public static final int ENCRYPTED_FLAG = 1;
public static final int[] OPCODE = { 2,3,4,5,6,7 };
public static final int[] VENDOR_ID = { 8,9,10,11,12,13,14,15 };
public TSBKMessage( int system, BitSetBuffer message )
{
super( message, DataUnitID.TSBK1 );
}
public boolean isLastBlock()
{
return mMessage.get( LAST_BLOCK_FLAG );
}
public boolean isEncrypted()
{
return mMessage.get( ENCRYPTED_FLAG );
}
public Vendor getVendor()
{
return Vendor.fromValue( mMessage.getInt( VENDOR_ID ) );
}
public Opcode getOpcode()
{
return Opcode.fromValue( mMessage.getInt( OPCODE ) );
}
@Override
public String getMessage()
{
StringBuilder sb = new StringBuilder();
sb.append( "SYSTEM:" );
sb.append( getNAC() ); /* NAC is the system id for TSBK messages */
sb.append( " VEND:" );
sb.append( getVendor().getLabel() );
if( isEncrypted() )
{
sb.append( " ENCRYPTED" );
}
else
{
Opcode opcode = getOpcode();
sb.append( " OPCODE:" );
sb.append( opcode.name() );
sb.append( " [" );
sb.append( mMessage.getHex( OPCODE, 2 ) );
sb.append( "]" );
}
return sb.toString();
}
}

31
src/decode/p25/message/TSBKMessageFactory.java Normal file
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package decode.p25.message;
import bits.BitSetBuffer;
import decode.p25.reference.Opcode;
import decode.p25.reference.Vendor;
public class TSBKMessageFactory
{
public static TSBKMessage getMessage( int system, BitSetBuffer buffer )
{
int opcode = buffer.getInt( TSBKMessage.OPCODE );
Vendor vendor = Vendor.fromValue(
buffer.getInt( TSBKMessage.VENDOR_ID ) );
switch( vendor )
{
case STANDARD:
switch( Opcode.fromValue( opcode ) )
{
}
return new TSBKMessage( system, buffer );
case MOTOROLA:
default:
return new TSBKMessage( system, buffer );
}
}
}