Add missing 'tools' directory to SVN

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;
+}
+