This demonstrates how to call GetVolumeStatistics on a local server. Note that isRemovable will ALWAYS be true if you are running this on a 3.x or higher NetWare machine.
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
#include <nit/nwdir.h>
#include <string.h>
#include <errno.h>
#include <nwerrno.h>
#include <time.h>
int main(void)
{
int rcode;
VOLUME_INFO volInfo;
char svn[10];
int vn;
printf("volume number: ");
gets(svn);
vn = atoi(svn);
printf("Calling GetVolumeStatistics...\r\n");
//GetVolumeInformation
rcode = GetVolumeStatistics(0,
vn,
sizeof (volInfo),
&volInfo);
if (rcode)
{
if (rcode == ERR_INVALID_VOLUME)
{
printf("Error: Invalid Volume Number\r\n");
}
else
{
printf("GetVolumeStatistics failed with: \r\n");
printf("rc = %d\r\n",rcode);
printf("errno = %d\r\n",errno);
printf("%s\r\n",strerror(errno));
printf("NetWareErrno = %x\r\n", NetWareErrno);
}
}
else
{
printf("GetVolumeStatistics Success!\r\n");
printf("Volume Number Requested: #%d\r\n", vn);
printf("Volume Number Returned: #%d\r\n", volInfo.volumeNumber);
printf("Volume Name: %s\r\n", volInfo.volumeName);
printf("Volume LogicalNumber: %d\r\n", volInfo.logicalDriveNumber);
printf("System Elapsed Time: %d\r\n", volInfo.systemElapsedTime);
printf("Volume Starting Block: %d\r\n", volInfo.startingBlock);
printf("Volume Sectors per Block: %d\r\n",volInfo.sectorsPerBlock);
printf("Volume Total Blocks: %d\r\n",volInfo.totalBlocks);
printf("AvailableBlocks: %d\r\n", volInfo.availableBlocks);
printf("Volume Total Dir Slots: %d\r\n",volInfo.totalDirectorySlots);
printf("Volume Available Dir Slots: %d\r\n", volInfo.availableDirectorySlots);
printf("Volume Purgable Blocks: %d\r\n", volInfo.purgableBlocks);
printf("Volume Not Yet Purgable Blocks: %d\r\n",volInfo.notYetPurgableBlocks);
printf("Volume IsHashing: %s\r\n", volInfo.isHashing ? "TRUE" : "FALSE");
printf("Volume IsMounted: %s\r\n", volInfo.isMounted ? "TRUE" : "FALSE");
//isRemovable is hard coded to return True from the NCP.
//so it really is not useful.
printf("Volume IsRemovable: %s\r\n",volInfo.isRemovable ? "TRUE (Always TRUE)" :
"NEVER FALSE, May just as well not have this case");
// tricks from the NDK documentation
//The following equations explain how to calculate available disk space in bytes:
//Total usable blocks = availableBlocks + purgableBlocks .
printf("Total Usable Blocks: %d\r\n", volInfo.availableBlocks + volInfo.purgableBlocks);
//Block size in bytes = sectorsPerBlock * 512.
printf("Block size in Bytes: %d\r\n", volInfo.sectorsPerBlock * 512);
//TOTAL AVAILABLE DISK SPACE in bytes = total usable blocks * block size in bytes.
printf("Total Available Disk Space: %u\r\n", (volInfo.availableBlocks + volInfo.purgableBlocks)
* volInfo.sectorsPerBlock * 512);
}
}
© 2008 Novell, Inc. All Rights Reserved.
