appl.c

/************************/
/* Your Name: Sining Ma */
/* Date: 05/10/2014     */
/* CS 244B              */
/* Spring 2013          */
/************************/

#define DEBUG

#include <stdio.h>
#include <string.h>

#include <client.h>
#include <appl.h>

/* ------------------------------------------------------------------ */

int
main() {

  int fd;
  int loopCnt;
  int byteOffset= 0;
  char strData[MaxBlockLength];

  char fileName[32] = "writeTest.txt";

  /*****************************/
  /* Initialize the system     */
  /*****************************/
  
  if( InitReplFs( ReplFsPort, 0, 2 ) < 0 ) {
    fprintf( stderr, "Error initializing the system\n" );
    return( ErrorExit );
  }
  
  /*****************************/
  /* Open the file for writing */
  /*****************************/

  fd = OpenFile( fileName );
  if ( fd < 0 ) {
      fprintf( stderr, "Error opening file '%s'\n", fileName );
      return( ErrorExit );
  }

  /**************************************/
  /* Write incrementing numbers to the file */
  /**************************************/

  for ( loopCnt=0; loopCnt<128; loopCnt++ ) {
    sprintf( strData, "%d\n", loopCnt );

#ifdef DEBUG
    printf( "%d: Writing '%s' to file.\n", loopCnt, strData );
#endif

    if ( WriteBlock( fd, strData, byteOffset, strlen( strData ) ) < 0 ) {
      printf( "Error writing to file %s [LoopCnt=%d]\n", fileName, loopCnt );
      return( ErrorExit );
    }
    byteOffset += strlen( strData );
    
  }


  /**********************************************/
  /* Can we commit the writes to the server(s)? */
  /**********************************************/
  if ( Commit( fd ) < 0 ) {
    printf( "Could not commit changes to File '%s'\n", fileName );
    return( ErrorExit );
  }

  /**************************************/
  /* Close the writes to the server(s) */
  /**************************************/
  if ( CloseFile( fd ) < 0 ) {
      printf( "Error Closing File '%s'\n", fileName );
      return( ErrorExit );
  }

  printf( "Writes to file '%s' complete.\n", fileName );
  return( NormalExit );
}

/* ------------------------------------------------------------------ */