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authorStef Walter <stef@memberwebs.com>2008-05-08 15:21:47 +0000
committerStef Walter <stef@memberwebs.com>2008-05-08 15:21:47 +0000
commit068f0444ff75156f3f0aca1bc4d0c36b72dcd5cb (patch)
tree874a057e1670c3ba2ae07df5e7b958b9b3f29adf /tools
parentec0d36ee55709f1df76f977823722a4b53cf27ed (diff)
Add missing 'tools' directory to SVN
Diffstat (limited to 'tools')
-rw-r--r--tools/Makefile.am6
-rw-r--r--tools/jail-measure.c185
2 files changed, 191 insertions, 0 deletions
diff --git a/tools/Makefile.am b/tools/Makefile.am
new file mode 100644
index 0000000..3b856ea
--- /dev/null
+++ b/tools/Makefile.am
@@ -0,0 +1,6 @@
+
+libexec_PROGRAMS = jail-measure
+
+jail_measure_SOURCES = jail-measure.c ${top_srcdir}/common/hash.c
+jail_measure_CFLAGS = -I${top_srcdir} -I${top_srcdir}/common
+
diff --git a/tools/jail-measure.c b/tools/jail-measure.c
new file mode 100644
index 0000000..8a814b6
--- /dev/null
+++ b/tools/jail-measure.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2008, Stefan Walter
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the
+ * following disclaimer.
+ * * Redistributions in binary form must reproduce the
+ * above copyright notice, this list of conditions and
+ * the following disclaimer in the documentation and/or
+ * other materials provided with the distribution.
+ * * The names of contributors to this software may not be
+ * used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+ * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ *
+ * CONTRIBUTORS
+ * Stef Walter <stef@memberwebs.com>
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fts.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#include "hash.h"
+
+static uint64_t jail_blocks = 0;
+static uint64_t jail_files = 0;
+static uint64_t jail_bytes = 0;
+
+static hsh_t *jail_inodes = NULL;
+
+static int syslog_facility = 0;
+
+/* For use in the hash table as a value */
+#define HAVE ((void*)1)
+
+static void
+usage ()
+{
+ fprintf (stderr, "usage: jail-measure [-l syslog] path ...\n");
+ exit (2);
+}
+
+static void
+emsg (const char *format, ...)
+{
+ va_list va;
+ va_start (va, format);
+ if (syslog_facility)
+ vsyslog (syslog_facility, format, va);
+ vwarnx (format, va);
+ va_end (va);
+}
+
+static int
+check_skip_link (FTSENT *f)
+{
+ unsigned int inode = f->fts_statp->st_ino;
+
+ if (hsh_get (jail_inodes, (void*)inode, HSH_KEY_DIRECT)) {
+ return 1;
+ } else {
+ if (!hsh_set (jail_inodes, (void*)inode, HSH_KEY_DIRECT, HAVE)) {
+ emsg ("out of memory");
+ exit (1);
+ }
+ return 0;
+ }
+}
+
+static void
+measure_jail (const char *path)
+{
+ const char *paths[2] = { path, NULL };
+ FTS *fts;
+ FTSENT *f;
+
+ jail_blocks = 0;
+ jail_bytes = 0;
+ hsh_clear (jail_inodes);
+
+ fts = fts_open ((char**)paths, FTS_COMFOLLOW | FTS_PHYSICAL | FTS_XDEV, NULL);
+ if (fts == NULL) {
+ emsg ("couldn't access jail path: %s", path);
+ return;
+ }
+
+ while ((f = fts_read (fts)) != NULL) {
+ switch (f->fts_info) {
+ case FTS_D:
+ break;
+ case FTS_DP:
+ jail_blocks += f->fts_statp->st_blocks;
+ jail_bytes += f->fts_statp->st_size;
+ jail_files++;
+ break;
+ case FTS_DC:
+ break;
+ case FTS_DNR:
+ case FTS_ERR:
+ case FTS_NS:
+ emsg ("couldn't access path: %s: %s", f->fts_path, strerror (f->fts_errno));
+ break;
+ default:
+ if (f->fts_statp->st_nlink == 1 || !check_skip_link (f)) {
+ jail_blocks += f->fts_statp->st_blocks;
+ jail_bytes += f->fts_statp->st_size;
+ jail_files++;
+ }
+ break;
+ };
+ }
+
+ fts_close (fts);
+
+ printf ("jail-space: %llu %s\n", jail_blocks * 512, path);
+ printf ("jail-files: %llu %s\n", jail_files, path);
+}
+
+int
+main (int argc, char* argv[])
+{
+ int ch, i;
+
+ /* Parse the arguments nicely */
+ while ((ch = getopt (argc, argv, "l:")) != -1) {
+ switch(ch) {
+
+ /* Log to syslog */
+ case 'l':
+ syslog_facility = atoi (optarg);
+ break;
+
+ /* Usage information */
+ case '?':
+ default:
+ usage();
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1)
+ usage ();
+
+ jail_inodes = hsh_create ();
+
+ for (i = 0; i < argc; ++i)
+ measure_jail (argv[i]);
+
+ hsh_free (jail_inodes);
+
+ return 0;
+}
+