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fresh git tree for public release

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we regretfully had to remove our git history for licensing reasons

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-10-11 14:59:26 -04:00
commit 0ad4db4fad
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/* Copyright (c) 2010
* The Regents of the University of Michigan
* All Rights Reserved
*
* Permission is granted to use, copy and redistribute this software
* for noncommercial education and research purposes, so long as no
* fee is charged, and so long as the name of the University of Michigan
* is not used in any advertising or publicity pertaining to the use
* or distribution of this software without specific, written prior
* authorization. Permission to modify or otherwise create derivative
* works of this software is not granted.
*
* This software is provided as is, without representation or warranty
* of any kind either express or implied, including without limitation
* the implied warranties of merchantability, fitness for a particular
* purpose, or noninfringement. The Regents of the University of
* Michigan shall not be liable for any damages, including special,
* indirect, incidental, or consequential damages, with respect to any
* claim arising out of or in connection with the use of the software,
* even if it has been or is hereafter advised of the possibility of
* such damages.
*/
#include <Windows.h>
#include <stdio.h>
#include "nfs41_ops.h"
#include "from_kernel.h"
#include "upcall.h"
#include "util.h"
#include "daemon_debug.h"
int parse_volume(unsigned char *buffer, uint32_t length, nfs41_upcall *upcall)
{
int status;
volume_upcall_args *args = &upcall->args.volume;
status = safe_read(&buffer, &length, &args->root, sizeof(HANDLE));
if (status)
eprintf("parsing NFS41_VOLUME_QUERY failed with %d\n",
status);
else
dprintf(1, "parsing NFS41_VOLUME_QUERY: root=0x%p\n", args->root);
return status;
}
int handle_volume(nfs41_upcall *upcall)
{
nfs41_file_info info = { 0 };
bitmap4 attr_request = { 2, { 0, FATTR4_WORD1_SPACE_AVAIL |
FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL } };
volume_upcall_args *args = &upcall->args.volume;
int status;
/* query the space_ attributes of the root filesystem */
status = nfs41_getattr(nfs41_root_session(args->root),
NULL, &attr_request, &info);
if (status) {
eprintf("nfs41_getattr() failed with %s\n",
nfs_error_string(status));
status = nfs_to_windows_error(status, ERROR_BAD_NET_RESP);
goto out;
}
args->total = info.space_total; /* total disk space in bytes */
args->user = info.space_avail; /* bytes available to this user */
args->avail = info.space_free; /* free disk space in bytes */
dprintf(2, "Volume: %llu user, %llu free of %llu total\n",
args->user, args->avail, args->total);
out:
return status;
}
int marshall_volume(unsigned char *buffer, uint32_t *length, nfs41_upcall *upcall)
{
int status;
volume_upcall_args *args = &upcall->args.volume;
status = safe_write(&buffer, length, &args->total, sizeof(args->total));
if (status) goto out;
status = safe_write(&buffer, length, &args->user, sizeof(args->user));
if (status) goto out;
status = safe_write(&buffer, length, &args->avail, sizeof(args->avail));
out:
return status;
}