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/*********************************************************
* Copyright (C) 2014-2015 VMware, Inc. All rights reserved.
*
* This program 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 version 2.1 and no 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 Lesser GNU General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*********************************************************/
/**
* @file diskInfo.c
*
* Get disk information.
*/
#include <stdlib.h>
#include <string.h>
#if defined _WIN32
# include <ws2tcpip.h>
#endif
#include "vm_assert.h"
#include "debug.h"
#include "guestInfoInt.h"
#include "str.h"
#include "util.h"
#include "xdrutil.h"
#include "netutil.h"
#include "wiper.h"
/*
******************************************************************************
* GuestInfo_FreeDiskInfo -- */ /**
*
* @brief Frees memory allocated by GuestInfoGetDiskInfo.
*
* @param[in] di DiskInfo container.
*
******************************************************************************
*/
void
GuestInfo_FreeDiskInfo(GuestDiskInfo *di)
{
if (di) {
free(di->partitionList);
free(di);
}
}
/*
* Private library functions.
*/
/*
******************************************************************************
* GuestInfoGetDiskInfoWiper -- */ /**
*
* Uses wiper library to enumerate fixed volumes and lookup utilization data.
*
* @return Pointer to a GuestDiskInfo structure on success or NULL on failure.
* Caller should free returned pointer with GuestInfoFreeDiskInfo.
*
******************************************************************************
*/
GuestDiskInfo *
GuestInfoGetDiskInfoWiper(void)
{
WiperPartition_List pl;
DblLnkLst_Links *curr;
unsigned int partCount = 0;
uint64 freeBytes = 0;
uint64 totalBytes = 0;
unsigned int partNameSize = 0;
Bool success = FALSE;
GuestDiskInfo *di;
/* Get partition list. */
if (!WiperPartition_Open(&pl)) {
g_debug("GetDiskInfo: ERROR: could not get partition list\n");
return FALSE;
}
di = Util_SafeCalloc(1, sizeof *di);
partNameSize = sizeof (di->partitionList)[0].name;
DblLnkLst_ForEach(curr, &pl.link) {
WiperPartition *part = DblLnkLst_Container(curr, WiperPartition, link);
if (part->type != PARTITION_UNSUPPORTED) {
PPartitionEntry newPartitionList;
PPartitionEntry partEntry;
unsigned char *error;
error = WiperSinglePartition_GetSpace(part, &freeBytes, &totalBytes);
if (strlen(error)) {
g_debug("GetDiskInfo: ERROR: could not get space for partition %s: %s\n",
part->mountPoint, error);
goto out;
}
if (strlen(part->mountPoint) + 1 > partNameSize) {
g_debug("GetDiskInfo: ERROR: Partition name buffer too small\n");
goto out;
}
newPartitionList = Util_SafeRealloc(di->partitionList,
(partCount + 1) *
sizeof *di->partitionList);
partEntry = &newPartitionList[partCount++];
Str_Strcpy(partEntry->name, part->mountPoint, partNameSize);
partEntry->freeBytes = freeBytes;
partEntry->totalBytes = totalBytes;
di->partitionList = newPartitionList;
}
}
di->numEntries = partCount;
success = TRUE;
out:
if (!success) {
GuestInfo_FreeDiskInfo(di);
di = NULL;
}
WiperPartition_Close(&pl);
return di;
}
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