mqsload/MQSLoad.java

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// $RCSfile: MQSLoad.java,v $
// $Revision: 1.15 $
// $Name: $
// $Date: 2008/12/04 15:02:16 $
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// $Author: agibert $
/*
* MQSLoad.java - Data file to MQ/Series queue loader
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* Copyright (C) 2001-2006 Arnaud G. Gibert
* mailto:arnaud@rx3.net
* http://www.rx3.org/dvp/MQSLoad
*
* 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 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.
*/
import java.io.*;
import java.text.*;
import com.ibm.mq.*;
public class MQSLoad
{
private String MQSLoad_Revision = "$Revision: 1.15 $";
private String MQSLoad_Tag = "$Name: $";
private String MQSLoad_Date = "$Date: 2008/12/04 15:02:16 $";
private String MQSLoad_Author = "$Author: agibert $";
private MQQueueManager QMng = null;
private String QMng_Name = "";
private MQQueue MsgQ;
private String MsgQ_Name;
private int MsgQ_Open_Options = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;
private int Sleep_Time = 0;
private String Field_Break = "";
private String Message_Break = "\r\n";
private String Message_Tail = "";
private int Message_Skip = 0;
private int Message_Count = 0;
private int Repeat_Count = 1;
private boolean Keep_Message_Break = false;
private String File_Name;
private int Msg_Counter = 0;
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//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
public static void main( String args[])
{
new MQSLoad( args);
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
public static String Str_Format( String UnFmt)
{
int idx;
boolean esc = false;
String fmt = "";
for( idx = 0; idx < UnFmt.length(); idx++)
{
if( esc)
{
switch( UnFmt.charAt( idx))
{
case '\\':
{
fmt += "\\";
break;
}
case 'n':
{
fmt += "\n";
break;
}
case 'r':
{
fmt += "\r";
break;
}
case 't':
{
fmt += "\t";
break;
}
default:
{
fmt += "?";
break;
}
}
esc = false;
}
else
{
if( UnFmt.charAt( idx) == '\\')
{
esc = true;
}
else
{
fmt += UnFmt.charAt( idx);
}
}
}
return( fmt);
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
public static String Str_UnFormat( String Fmt)
{
int idx;
String unfmt = "";
for( idx = 0; idx < Fmt.length(); idx++)
{
switch( Fmt.charAt( idx))
{
case '\\':
{
unfmt += "\\\\";
break;
}
case '\n':
{
unfmt += "\\n";
break;
}
case '\r':
{
unfmt += "\\r";
break;
}
case '\t':
{
unfmt += "\\t";
break;
}
default:
{
unfmt += Fmt.charAt( idx);
break;
}
}
}
return( unfmt);
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void Arg_Parse( String args[]) throws Exception
{
int argc = 0;
try
{
while( argc < args.length)
{
if( args[argc].equals( "-qm"))
{
if( argc < ( args.length + 1))
{
QMng_Name = Str_Format( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if( args[argc].equals( "-fb"))
{
if( argc < ( args.length + 1))
{
Field_Break = Str_Format( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-mb"))
{
if( argc < ( args.length + 1))
{
Message_Break = Str_Format( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-mt"))
{
if( argc < ( args.length + 1))
{
Message_Tail = Str_Format( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-st"))
{
if( argc < ( args.length + 1))
{
Sleep_Time = Integer.parseInt( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-ms"))
{
if( argc < ( args.length + 1))
{
Message_Skip = Integer.parseInt( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-mc"))
{
if( argc < ( args.length + 1))
{
Message_Count = Integer.parseInt( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-rc"))
{
if( argc < ( args.length + 1))
{
Repeat_Count = Integer.parseInt( args[++argc]);
}
else
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
else if ( args[argc].equals( "-kmb"))
{
Keep_Message_Break = true;
}
else
{
MsgQ_Name = args[argc++];
File_Name = args[argc++];
if( argc < args.length)
{
System.out.println( "Invalid number of command line options...");
throw new Exception();
}
}
++argc;
}
}
catch( Exception Expt)
{
throw Expt;
}
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void MQSInit() throws Exception
{
short retry = 0;
final short RETRY_MAX = 10;
while( QMng == null)
{
try
{
QMng = new MQQueueManager( QMng_Name);
// System.out.println( "QManager Open: (" + QMng + ") !");
}
catch( Exception Expt)
{
System.out.print("!");
if( retry++ > RETRY_MAX)
{
throw Expt;
}
}
}
try
{
MsgQ = QMng.accessQueue( MsgQ_Name, MsgQ_Open_Options, null, null, null);
// System.out.println( "MsgQ Open: (" + MsgQ + ") !");
}
catch( Exception Expt)
{
QMng.disconnect();
// System.out.println( "QManager Close: (" + QMng + ") !");
throw Expt;
}
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void MQSDeInit() throws Exception
{
try
{
MsgQ.close();
// System.out.println( "MsgQ Close: (" + MsgQ + ") !");
QMng.disconnect();
// System.out.println( "QManager Close: (" + QMng + ") !");
}
catch( Exception Expt)
{
throw Expt;
}
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void MQSPut_Msg( MQMessage Msg) throws Exception
{
try
{
MQPutMessageOptions pmo = new MQPutMessageOptions();
MsgQ.put( Msg, pmo);
}
catch( Exception Expt)
{
throw Expt;
}
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void Counter_Print( String Mark)
{
if( ( Msg_Counter % 50) == 0)
{
System.out.print( "\n(" + Msg_Counter + ")\t");
}
if( ( Msg_Counter % 10) == 0)
{
System.out.print( " ");
}
System.out.print( Mark);
Msg_Counter++;
}
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//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void Stand_By(int timer) throws Exception
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{
if( timer > 0)
{
try
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{
synchronized( this)
{
wait( timer);
}
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}
catch(InterruptedException ie)
{
ie.printStackTrace();
}
}
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}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private int Put_Msg( MQMessage Output_Msg, int Msg_Id, int Msg_Nb, int Msg_Skip, int Msg_Count) throws Exception
{
if( Msg_Id < Msg_Skip)
{
Counter_Print( "*");
}
else
{
if( ( Msg_Count != 0) && ( Msg_Id >= ( Msg_Skip + Msg_Count)))
{
Counter_Print( "#");
}
else
{
Output_Msg.messageId = MQC.MQMI_NONE;
MQSPut_Msg( Output_Msg);
Output_Msg.clearMessage();
Counter_Print( ".");
Msg_Nb++;
Stand_By( Sleep_Time);
}
}
return(Msg_Nb);
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private int Load_File( RandomAccessFile Input_File, int Msg_Nb, int Msg_Skip, int Msg_Count) throws Exception
{
byte input_char;
MQMessage output_msg = new MQMessage();
int buffer_size, cur_buffer_size, window_size, cur_window_size, prefetch_size, buffer_offset, read_size;
int cur_pos, end_pos, next_message, next_field;
int msg_id = 0;
byte[] buffer_byte;
String buffer_string, out_string = null;
try
{
output_msg.format = MQC.MQFMT_STRING;
/* Default window size */
window_size = 1024 * 64;
prefetch_size = Field_Break.length() + Message_Break.length();
buffer_size = window_size + prefetch_size;
buffer_offset = 0;
buffer_byte = new byte[buffer_size];
do
{
read_size = Input_File.read( buffer_byte, buffer_offset, buffer_size - buffer_offset);
// System.out.println( "Load buffer read_size: (" + read_size + ") asked: (" + (buffer_size - buffer_offset) + ")");
if( read_size == -1)
{
read_size = 0;
}
/* Compute current buffer and window size */
cur_window_size = Math.min( ( read_size + buffer_offset), window_size);
cur_buffer_size = ( read_size + buffer_offset);
buffer_string = new String( buffer_byte, 0, cur_buffer_size);
cur_pos = 0;
// System.out.println( " CurWS: (" + cur_window_size + ") CurBS: (" + cur_buffer_size + ") Buffer: [" + buffer_string + "]");
while( cur_pos < cur_window_size)
{
// System.out.println( "- CurPos: (" + cur_pos + ")");
next_message = buffer_string.indexOf( Message_Break, cur_pos);
if( ( next_message == -1) || ( next_message > cur_window_size))
{
next_message = cur_window_size + 1;
end_pos = cur_window_size;
}
else
{
// System.out.println( "+ Get message next_message: (" + next_message + ")");
end_pos = next_message;
}
while( cur_pos < end_pos)
{
// System.out.println( "+ CurPos: (" + cur_pos + ") end_pos: (" + end_pos + ")");
if( Field_Break.length() > 0)
{
next_field = buffer_string.indexOf( Field_Break, cur_pos);
}
else
{
next_field = -1;
}
if( ( next_field == -1) || ( next_field > end_pos))
{
out_string = buffer_string.substring( cur_pos, end_pos);
cur_pos = end_pos;
}
else
{
// System.out.println( "+ Get field next_field: (" + next_field + ")");
out_string = buffer_string.substring( cur_pos, next_field);
cur_pos = next_field + Field_Break.length();
}
output_msg.writeString( out_string);
// System.out.println( "* Msg: [" + out_string + "]");
}
if( next_message <= cur_window_size)
{
/* A message break has been found: send the data... */
// System.out.println( "* Write Msg CurPos: (" + cur_pos + ")");
output_msg.writeString( Message_Tail);
if( Keep_Message_Break)
{
output_msg.writeString( Message_Break);
}
// System.out.println( "(" + Msg_Nb + ")");
Msg_Nb = Put_Msg( output_msg, msg_id, Msg_Nb, Msg_Skip, Msg_Count);
msg_id++;
out_string = null;
cur_pos += Message_Break.length();
}
}
buffer_offset = cur_buffer_size - cur_pos;
// System.out.println( "% CurPos: (" + cur_pos + ") BufOff: (" + buffer_offset + ")");
if( buffer_offset > 0)
{
/* Copy back prefetch area */
System.arraycopy( buffer_byte, cur_pos, buffer_byte, 0, buffer_offset);
}
}
while( cur_buffer_size > 0);
if( out_string != null)
{
// System.out.println( "* Flushing Msg");
Msg_Nb = Put_Msg( output_msg, msg_id, Msg_Nb, Msg_Skip, Msg_Count);
}
return( Msg_Nb);
}
catch( Exception Expt)
{
throw Expt;
}
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void Print_Usage( ) throws Exception
{
System.out.println( "Usage: MQSLoad [-qm \"Output_QueueMng_Name\"] [-st \"sleep_time\"] [-fb \"field_break\"] [-mb \"message_break\"] [-mt \"message_tail\"] [-kmb] [-ms \"message_skip\"] [-mc \"message_count\"] [-rc \"repeat_count\"] <Output_MsgQueue_Name> <Input_File_Name>");
System.out.println( " Default: Output QueueMng Name: (" + QMng_Name + ") Sleep Time: (" + Sleep_Time + ") Field Break: (" + Str_UnFormat( Field_Break) + ") Message Break: (" + Str_UnFormat( Message_Break) + ") Message Tail: (" + Str_UnFormat( Message_Tail) + ") Keep Message Break: (" + Keep_Message_Break + ") Message Skip: (" + Message_Skip + ") Message Count: (" + Message_Count + ") Repeat Count: (" + Repeat_Count + ")");
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
private void Print_Args( ) throws Exception
{
System.out.println( "Output QueueMng Name: (" + QMng_Name + ") Output MsgQueue Name: (" + MsgQ_Name + ") Input File Name: (" + File_Name + ")");
System.out.println( "Sleep Time: (" + Sleep_Time + ") Field Break: (" + Str_UnFormat( Field_Break) + ") Message Break: (" + Str_UnFormat( Message_Break) + ") Message Tail: (" + Str_UnFormat( Message_Tail) + ") Keep Message Break: (" + Keep_Message_Break + ") Message Skip: (" + Message_Skip + ") Message Count: (" + Message_Count + ") Repeat Count: (" + Repeat_Count + ")");
}
//-------------------------------------------------------------------------------------------------------------------------
//
//-------------------------------------------------------------------------------------------------------------------------
public MQSLoad( String args[])
{
int msg_nb = 0;
int loop;
long time_begin, time_end;
double time_elapsed, speed;
NumberFormat nf = NumberFormat.getInstance();
try
{
System.out.println("MQSLoad: " + MQSLoad_Tag + " / " + MQSLoad_Date + " / " + MQSLoad_Author);
if( ( args.length < 2) || ( args.length > 19))
{
Print_Usage();
System.exit( 1);
}
else
{
System.out.println( "MQS Load Starting...");
Arg_Parse( args);
Print_Args();
MQSInit();
try
{
RandomAccessFile input_file = new RandomAccessFile( File_Name, "r");
try
{
// System.out.println("Input File Open: (" + input_file + ") !");
time_begin = System.currentTimeMillis();
for( loop = 0; loop < Repeat_Count; loop++ )
{
try
{
input_file.seek(0);
}
catch( Exception Expt)
{
if( Repeat_Count > 1)
{
System.out.println( "Repeat Count should be 1 for non seekable file !");
throw Expt;
}
}
msg_nb = Load_File( input_file, msg_nb, Message_Skip, Message_Count);
}
time_end = System.currentTimeMillis();
time_elapsed = ( time_end - time_begin) / 1000.0;
speed = msg_nb / time_elapsed;
nf.setMinimumFractionDigits(2);
nf.setMaximumFractionDigits(2);
System.out.println( "\n");
System.out.println( "Loaded Message Nb: (" + msg_nb
+ ") Elapsed Time: (" + nf.format(time_elapsed)
+ ") s Speed: (" + nf.format(speed)
+ ") msg/s");
}
catch( Exception Expt)
{
input_file.close();
throw Expt;
}
input_file.close();
}
catch( Exception Expt)
{
MQSDeInit();
throw Expt;
}
MQSDeInit();
System.out.println( "MQS Load Completed !");
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System.exit( 0);
}
}
catch( Exception Expt)
{
System.out.println("Exception: (" + Expt + ") !");
Expt.printStackTrace();
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System.exit( 1);
}
}
//-------------------------------------------------------------------------------------------------------------------------
}