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/*
* Copyright (c) 2009, Jay Loden, Giampaolo Rodola'. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <Python.h>
#include <sys/mount.h>
#if PSUTIL_NETBSD
// getvfsstat()
#include <sys/types.h>
#include <sys/statvfs.h>
#else
// getfsstat()
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#endif
PyObject *
psutil_disk_partitions(PyObject *self, PyObject *args) {
int num;
int i;
long len;
uint64_t flags;
char opts[200];
#ifdef PSUTIL_NETBSD
struct statvfs *fs = NULL;
#else
struct statfs *fs = NULL;
#endif
PyObject *py_retlist = PyList_New(0);
PyObject *py_dev = NULL;
PyObject *py_mountp = NULL;
PyObject *py_tuple = NULL;
if (py_retlist == NULL)
return NULL;
// get the number of mount points
Py_BEGIN_ALLOW_THREADS
#ifdef PSUTIL_NETBSD
num = getvfsstat(NULL, 0, MNT_NOWAIT);
#else
num = getfsstat(NULL, 0, MNT_NOWAIT);
#endif
Py_END_ALLOW_THREADS
if (num == -1) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
len = sizeof(*fs) * num;
fs = malloc(len);
if (fs == NULL) {
PyErr_NoMemory();
goto error;
}
Py_BEGIN_ALLOW_THREADS
#ifdef PSUTIL_NETBSD
num = getvfsstat(fs, len, MNT_NOWAIT);
#else
num = getfsstat(fs, len, MNT_NOWAIT);
#endif
Py_END_ALLOW_THREADS
if (num == -1) {
PyErr_SetFromErrno(PyExc_OSError);
goto error;
}
for (i = 0; i < num; i++) {
py_tuple = NULL;
opts[0] = 0;
#ifdef PSUTIL_NETBSD
flags = fs[i].f_flag;
#else
flags = fs[i].f_flags;
#endif
// see sys/mount.h
if (flags & MNT_RDONLY)
strlcat(opts, "ro", sizeof(opts));
else
strlcat(opts, "rw", sizeof(opts));
if (flags & MNT_SYNCHRONOUS)
strlcat(opts, ",sync", sizeof(opts));
if (flags & MNT_NOEXEC)
strlcat(opts, ",noexec", sizeof(opts));
if (flags & MNT_NOSUID)
strlcat(opts, ",nosuid", sizeof(opts));
if (flags & MNT_ASYNC)
strlcat(opts, ",async", sizeof(opts));
if (flags & MNT_NOATIME)
strlcat(opts, ",noatime", sizeof(opts));
if (flags & MNT_SOFTDEP)
strlcat(opts, ",softdep", sizeof(opts));
#ifdef PSUTIL_FREEBSD
if (flags & MNT_UNION)
strlcat(opts, ",union", sizeof(opts));
if (flags & MNT_SUIDDIR)
strlcat(opts, ",suiddir", sizeof(opts));
if (flags & MNT_SOFTDEP)
strlcat(opts, ",softdep", sizeof(opts));
if (flags & MNT_NOSYMFOLLOW)
strlcat(opts, ",nosymfollow", sizeof(opts));
#ifdef MNT_GJOURNAL
if (flags & MNT_GJOURNAL)
strlcat(opts, ",gjournal", sizeof(opts));
#endif
if (flags & MNT_MULTILABEL)
strlcat(opts, ",multilabel", sizeof(opts));
if (flags & MNT_ACLS)
strlcat(opts, ",acls", sizeof(opts));
if (flags & MNT_NOCLUSTERR)
strlcat(opts, ",noclusterr", sizeof(opts));
if (flags & MNT_NOCLUSTERW)
strlcat(opts, ",noclusterw", sizeof(opts));
#ifdef MNT_NFS4ACLS
if (flags & MNT_NFS4ACLS)
strlcat(opts, ",nfs4acls", sizeof(opts));
#endif
#elif PSUTIL_NETBSD
if (flags & MNT_NODEV)
strlcat(opts, ",nodev", sizeof(opts));
if (flags & MNT_UNION)
strlcat(opts, ",union", sizeof(opts));
if (flags & MNT_NOCOREDUMP)
strlcat(opts, ",nocoredump", sizeof(opts));
#ifdef MNT_RELATIME
if (flags & MNT_RELATIME)
strlcat(opts, ",relatime", sizeof(opts));
#endif
if (flags & MNT_IGNORE)
strlcat(opts, ",ignore", sizeof(opts));
#ifdef MNT_DISCARD
if (flags & MNT_DISCARD)
strlcat(opts, ",discard", sizeof(opts));
#endif
#ifdef MNT_EXTATTR
if (flags & MNT_EXTATTR)
strlcat(opts, ",extattr", sizeof(opts));
#endif
if (flags & MNT_LOG)
strlcat(opts, ",log", sizeof(opts));
if (flags & MNT_SYMPERM)
strlcat(opts, ",symperm", sizeof(opts));
if (flags & MNT_NODEVMTIME)
strlcat(opts, ",nodevmtime", sizeof(opts));
#endif
py_dev = PyUnicode_DecodeFSDefault(fs[i].f_mntfromname);
if (! py_dev)
goto error;
py_mountp = PyUnicode_DecodeFSDefault(fs[i].f_mntonname);
if (! py_mountp)
goto error;
py_tuple = Py_BuildValue("(OOss)",
py_dev, // device
py_mountp, // mount point
fs[i].f_fstypename, // fs type
opts); // options
if (!py_tuple)
goto error;
if (PyList_Append(py_retlist, py_tuple))
goto error;
Py_CLEAR(py_dev);
Py_CLEAR(py_mountp);
Py_CLEAR(py_tuple);
}
free(fs);
return py_retlist;
error:
Py_XDECREF(py_dev);
Py_XDECREF(py_mountp);
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
if (fs != NULL)
free(fs);
return NULL;
}
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