/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.restcomm.media.client.mgcp.parser.params;
import java.text.ParseException;
import org.restcomm.media.client.mgcp.parser.SplitDetails;
import org.restcomm.media.client.mgcp.parser.StringFunctions;
import jain.protocol.ip.mgcp.message.parms.ConnectionMode;
public class ConnectionModeHandler
{
private static final byte[] SENDRECV_VALUE=new byte[] {
StringFunctions.LOW_S_BYTE,StringFunctions.LOW_E_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_D_BYTE,StringFunctions.LOW_R_BYTE,StringFunctions.LOW_E_BYTE,
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_V_BYTE
};
private static final byte[] SENDONLY_VALUE=new byte[] {
StringFunctions.LOW_S_BYTE,StringFunctions.LOW_E_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_D_BYTE,StringFunctions.LOW_O_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_L_BYTE,StringFunctions.LOW_Y_BYTE
};
private static final byte[] RECVONLY_VALUE=new byte[] {
StringFunctions.LOW_R_BYTE,StringFunctions.LOW_E_BYTE,StringFunctions.LOW_C_BYTE,
StringFunctions.LOW_V_BYTE,StringFunctions.LOW_O_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_L_BYTE,StringFunctions.LOW_Y_BYTE
};
private static final byte[] CONFRNCE_VALUE=new byte[] {
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_O_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_F_BYTE,StringFunctions.LOW_R_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_E_BYTE
};
private static final byte[] CONTTEST_VALUE=new byte[] {
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_O_BYTE,StringFunctions.LOW_N_BYTE,
StringFunctions.LOW_T_BYTE,StringFunctions.LOW_T_BYTE,StringFunctions.LOW_E_BYTE,
StringFunctions.LOW_S_BYTE,StringFunctions.LOW_T_BYTE
};
private static final byte[] LOOPBACK_VALUE=new byte[] {
StringFunctions.LOW_L_BYTE,StringFunctions.LOW_O_BYTE,StringFunctions.LOW_O_BYTE,
StringFunctions.LOW_P_BYTE,StringFunctions.LOW_B_BYTE,StringFunctions.LOW_A_BYTE,
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_K_BYTE
};
private static final byte[] NETWLOOP_VALUE=new byte[] {
StringFunctions.LOW_N_BYTE,StringFunctions.LOW_E_BYTE,StringFunctions.LOW_T_BYTE,
StringFunctions.LOW_W_BYTE,StringFunctions.LOW_L_BYTE,StringFunctions.LOW_O_BYTE,
StringFunctions.LOW_O_BYTE,StringFunctions.LOW_P_BYTE
};
private static final byte[] NETWTEST_VALUE=new byte[] {
StringFunctions.LOW_N_BYTE,StringFunctions.LOW_E_BYTE,StringFunctions.LOW_T_BYTE,
StringFunctions.LOW_W_BYTE,StringFunctions.LOW_T_BYTE,StringFunctions.LOW_E_BYTE,
StringFunctions.LOW_S_BYTE,StringFunctions.LOW_T_BYTE
};
private static final byte[] INACTIVE_VALUE=new byte[] {
StringFunctions.LOW_I_BYTE,StringFunctions.LOW_N_BYTE,StringFunctions.LOW_A_BYTE,
StringFunctions.LOW_C_BYTE,StringFunctions.LOW_T_BYTE,StringFunctions.LOW_I_BYTE,
StringFunctions.LOW_V_BYTE,StringFunctions.LOW_E_BYTE
};
private static final byte[] DATA_VALUE=new byte[] {
StringFunctions.LOW_D_BYTE,StringFunctions.LOW_A_BYTE,StringFunctions.LOW_T_BYTE,
StringFunctions.LOW_A_BYTE
};
public static ConnectionMode decode(byte[] value,int offset,int length) throws ParseException
{
if(length==8)
{
byte startByte=value[offset];
byte middleByte=value[offset+4];
byte char1=value[offset+1];
byte char2=value[offset+2];
byte char3=value[offset+3];
byte char5=value[offset+5];
byte char6=value[offset+6];
byte char7=value[offset+7];
switch(startByte)
{
case StringFunctions.LOW_S_BYTE:
case StringFunctions.HIGH_S_BYTE:
switch(middleByte)
{
case StringFunctions.LOW_R_BYTE:
case StringFunctions.HIGH_R_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=SENDRECV_VALUE[i] && value[offset+i]!=(byte)(SENDRECV_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=SENDRECV_VALUE[i] && value[offset+i]!=(byte)(SENDRECV_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.SendRecv;
case StringFunctions.LOW_O_BYTE:
case StringFunctions.HIGH_O_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=SENDONLY_VALUE[i] && value[offset+i]!=(byte)(SENDONLY_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=SENDONLY_VALUE[i] && value[offset+i]!=(byte)(SENDONLY_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.SendOnly;
}
break;
case StringFunctions.LOW_R_BYTE:
case StringFunctions.HIGH_R_BYTE:
switch(middleByte)
{
case StringFunctions.LOW_O_BYTE:
case StringFunctions.HIGH_O_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=RECVONLY_VALUE[i] && value[offset+i]!=(byte)(RECVONLY_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=RECVONLY_VALUE[i] && value[offset+i]!=(byte)(RECVONLY_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.RecvOnly;
}
break;
case StringFunctions.LOW_C_BYTE:
case StringFunctions.HIGH_C_BYTE:
switch(middleByte)
{
case StringFunctions.LOW_R_BYTE:
case StringFunctions.HIGH_R_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=CONFRNCE_VALUE[i] && value[offset+i]!=(byte)(CONFRNCE_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=CONFRNCE_VALUE[i] && value[offset+i]!=(byte)(CONFRNCE_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Confrnce;
case StringFunctions.LOW_T_BYTE:
case StringFunctions.HIGH_T_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=CONTTEST_VALUE[i] && value[offset+i]!=(byte)(CONTTEST_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=CONTTEST_VALUE[i] && value[offset+i]!=(byte)(CONTTEST_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Conttest;
}
break;
case StringFunctions.LOW_L_BYTE:
case StringFunctions.HIGH_L_BYTE:
switch(middleByte)
{
case StringFunctions.LOW_B_BYTE:
case StringFunctions.HIGH_B_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=LOOPBACK_VALUE[i] && value[offset+i]!=(byte)(LOOPBACK_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=LOOPBACK_VALUE[i] && value[offset+i]!=(byte)(LOOPBACK_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Loopback;
}
break;
case StringFunctions.LOW_N_BYTE:
case StringFunctions.HIGH_N_BYTE:
switch(middleByte)
{
case StringFunctions.LOW_L_BYTE:
case StringFunctions.HIGH_L_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=NETWLOOP_VALUE[i] && value[offset+i]!=(byte)(NETWLOOP_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=NETWLOOP_VALUE[i] && value[offset+i]!=(byte)(NETWLOOP_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Netwloop;
case StringFunctions.LOW_T_BYTE:
case StringFunctions.HIGH_T_BYTE:
for(int i=1;i<4;i++)
if(value[offset+i]!=NETWTEST_VALUE[i] && value[offset+i]!=(byte)(NETWTEST_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
for(int i=5;i<8;i++)
if(value[offset+i]!=NETWTEST_VALUE[i] && value[offset+i]!=(byte)(NETWTEST_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Netwtest;
}
break;
}
}
else if(length==4)
{
for(int i=0;i<4;i++)
if(value[offset+i]!=DATA_VALUE[i] && value[offset+i]!=(byte)(DATA_VALUE[i]+StringFunctions.CASE_STEP))
return ConnectionMode.Inactive;
return ConnectionMode.Data;
}
return ConnectionMode.Inactive;
}
public static int encode(byte[] destination,int offset,ConnectionMode connectionMode)
{
switch(connectionMode.getConnectionModeValue())
{
case ConnectionMode.SENDRECV:
System.arraycopy(SENDRECV_VALUE, 0, destination, offset, SENDRECV_VALUE.length);
return SENDRECV_VALUE.length;
case ConnectionMode.SENDONLY:
System.arraycopy(SENDONLY_VALUE, 0, destination, offset, SENDONLY_VALUE.length);
return SENDONLY_VALUE.length;
case ConnectionMode.RECVONLY:
System.arraycopy(RECVONLY_VALUE, 0, destination, offset, RECVONLY_VALUE.length);
return RECVONLY_VALUE.length;
case ConnectionMode.CONFRNCE:
System.arraycopy(CONFRNCE_VALUE, 0, destination, offset, CONFRNCE_VALUE.length);
return CONFRNCE_VALUE.length;
case ConnectionMode.INACTIVE:
System.arraycopy(INACTIVE_VALUE, 0, destination, offset, INACTIVE_VALUE.length);
return INACTIVE_VALUE.length;
case ConnectionMode.LOOPBACK:
System.arraycopy(LOOPBACK_VALUE, 0, destination, offset, LOOPBACK_VALUE.length);
return LOOPBACK_VALUE.length;
case ConnectionMode.CONTTEST:
System.arraycopy(CONTTEST_VALUE, 0, destination, offset, CONTTEST_VALUE.length);
return CONTTEST_VALUE.length;
case ConnectionMode.NETWLOOP:
System.arraycopy(NETWLOOP_VALUE, 0, destination, offset, NETWLOOP_VALUE.length);
return NETWLOOP_VALUE.length;
case ConnectionMode.NETWTEST:
System.arraycopy(NETWTEST_VALUE, 0, destination, offset, NETWTEST_VALUE.length);
return NETWTEST_VALUE.length;
case ConnectionMode.DATA:
System.arraycopy(DATA_VALUE, 0, destination, offset, DATA_VALUE.length);
return DATA_VALUE.length;
}
return 0;
}
public static int encodeList(byte[] destination,int offset,ConnectionMode[] connectionModes)
{
if(connectionModes.length==0)
return 0;
int totalLength=0;
int i=0;
for(;i<connectionModes.length-1;i++)
{
totalLength+=encode(destination,offset+totalLength,connectionModes[i]);
destination[offset+totalLength]=StringFunctions.SEMICOLON_BYTE;
totalLength++;
}
totalLength+=encode(destination,offset+totalLength,connectionModes[i]);
return totalLength;
}
public static ConnectionMode[] decodeList(byte[] value,int offset,int length) throws ParseException
{
SplitDetails[] splitDetails=StringFunctions.split(value,offset,length,StringFunctions.SEMICOLON_BYTE);
ConnectionMode[] connectionModes = new ConnectionMode[splitDetails.length];
for (int i = 0; i < splitDetails.length; i++)
connectionModes[i] = decode(value,splitDetails[i].getOffset(),splitDetails[i].getLength());
return connectionModes;
}
}