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/*
========== licence begin GPL
Copyright (C) 2002-2003 SAP AG
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 2
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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
========== licence end
*/
package com.sap.dbtech.rte.comm;
import com.sap.dbtech.util.*;
/**
* creates a packet to connect to db on RTE level
*/
class ConnectPacket extends StructuredBytes
{
private int writePos = RteC.Connect_VarPart_O;
/**
* ConnectPacket constructor comment.
* @param data byte[]
* @throws ConversionExceptionSapDB
*/
public ConnectPacket(
byte [] buf,
String serverdb,
PacketLayout layout,
int port,
int serviceType
)
{
super(buf, RteC.Header_END_O_C);
this.putInt1 (RteC.asciiClient_C, RteC.Connect_sMessCode_O);
this.putInt1 (RteC.notSwapped_C, RteC.Connect_sMessCode_O + 1);
this.putInt2 (RteC.Connect_END_O_C, RteC.Connect_ConnectLength_O);
// this.putInt1 (RteC.SQL_USER_C, RteC.Connect_ServiceType_O);
this.putInt1 (serviceType, RteC.Connect_ServiceType_O);
this.putInt1 (RteC.RSQL_JAVA_C, RteC.Connect_OSType_O);
this.putInt1 (0, RteC.Connect_Filler1_O);
this.putInt1 (0, RteC.Connect_Filler2_O);
this.putInt4 (layout.maxSegmentSize (), RteC.Connect_MaxSegmentSize_O);
this.putInt4 (layout.maxDataLength(), RteC.Connect_MaxDataLen_O);
this.putInt4 (layout.packetSize (), RteC.Connect_PacketSize_O);
this.putInt4 (layout.minReplySize (), RteC.Connect_MinReplySize_O);
this.putString (serverdb, RteC.Connect_ReceiverServerDB_O, RteC.Connect_Dbname_Size_C);
this.putString (" ", RteC.Connect_SenderServerDB_O, RteC.Connect_Dbname_Size_C);
this.addConnectInt (0, RteC.ARGID_REM_PID_C);
this.addPort (port, RteC.ARGID_PORT_NO_C);
this.addConnectBool (false, RteC.ARGID_ACKNOWLEDGE_C);
this.addFlagOmitReplyPart(RteC.ARGID_OMIT_REPLY_PART);
}
/**
* add a boolean value.
* @param value int
* @param tag char
*/
public void addConnectBool (
boolean ack,
int tag)
{
int boolAsInt;
if (ack) {
boolAsInt = 1;
}
else {
boolAsInt = 0;
}
this.putInt1 (3, this.writePos);
this.putInt1 (tag, this.writePos + 1);
this.putInt1 (boolAsInt, this.writePos + 2);
this.writePos += 3;
}
/**
* add an integer value.
* @param value int
* @param tag char
* @throws ConversionExceptionSapDB
*/
public void
addConnectInt(
int value,
int tag)
{
this.addConnectString (String.valueOf (value), tag);
}
/**
* add a String value
* @param value java.lang.String
* @param tag char
* @throws ConversionExceptionSapDB
*/
public void
addConnectString(
String value,
int tag)
{
int fullLength;
fullLength = value.length () + 3; // len + tag + '\0'
this.putInt1 (fullLength, this.writePos);
this.putInt1 (tag, this.writePos + 1);
this.putString (value, this.writePos + 2);
this.putInt1 (0, this.writePos + fullLength - 1);
this.writePos += fullLength;
}
/**
* add a socket port.
* @param port int
* @param tag char
*/
public void
addPort(
int port,
int tag)
{
this.putInt1 (4, this.writePos);
this.putInt1 (tag, this.writePos + 1);
this.putInt1 (port / 256, this.writePos + 2);
this.putInt1 (port % 256, this.writePos + 3);
this.writePos += 4;
}
/**
* add a socket port.
* @param port int
* @param tag char
*/
public void
addFlagOmitReplyPart(int tag)
{
this.putInt1 (3, this.writePos);
this.putInt1 (tag, this.writePos + 1);
this.putInt1 (1, this.writePos + 2);
this.writePos += 3;
}
/**
* returns the current length.
* @return int
*/
public int length ()
{
return this.writePos;
}
/**
*
*/
void
close ()
{
int currentLength = this.length ();
final int requiredLength = RteC.Connect_MinSize_C - RteC.Header_END_O_C;
if (currentLength < requiredLength) {
this.writePos += requiredLength - currentLength;
}
this.putInt2 (this.writePos, RteC.Connect_ConnectLength_O);
//this.dump ();
}
/**
*
*/
/*************************************************************************************************************************
* public void *
* dump () *
* { *
* System.out.println ("Connect_sMessCode_O: " + this.getInt1 (RteC.Connect_sMessCode_O)); *
* System.out.println ("Connect_sMessCode_O: " + this.getInt1 (RteC.Connect_sMessCode_O + 1)); *
* System.out.println ("Connect_ConnectLength_O: " + this.getInt2 (RteC.Connect_ConnectLength_O)); *
* System.out.println ("Connect_ServiceType_O: " + this.getInt1 (RteC.Connect_ServiceType_O)); *
* System.out.println ("Connect_OSType_O: " + this.getInt1 (RteC.Connect_OSType_O)); *
* System.out.println ("Connect_MaxSegmentSize_O: " + this.getInt4 (RteC.Connect_MaxSegmentSize_O)); *
* System.out.println ("Connect_MaxDataLen_O: " + this.getInt4 (RteC.Connect_MaxDataLen_O)); *
* System.out.println ("Connect_PacketSize_O: " + this.getInt4 (RteC.Connect_PacketSize_O)); *
* System.out.println ("Connect_MinReplySize_O: " + this.getInt4 (RteC.Connect_MinReplySize_O)); *
* // System.out.println (this.putString (serverdb, RteC.Connect_ReceiverServerDB_O, RteC.Connect_Dbname_Size_C); *
* // System.out.println (this.putString (" ", RteC.Connect_SenderServerDB_O, RteC.Connect_Dbname_Size_C); *
* } *
*************************************************************************************************************************/
}
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