Module Name: src
Committed By: pooka
Date: Mon Apr 12 22:58:53 UTC 2010
Modified Files:
src/tests/fs/ffs: Makefile
Added Files:
src/tests/fs/ffs: t_snapshot.c
Log Message:
test for the very basic snapshot features
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/tests/fs/ffs/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/fs/ffs/t_snapshot.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/fs/ffs/Makefile
diff -u src/tests/fs/ffs/Makefile:1.6 src/tests/fs/ffs/Makefile:1.7
--- src/tests/fs/ffs/Makefile:1.6 Mon Mar 29 13:26:32 2010
+++ src/tests/fs/ffs/Makefile Mon Apr 12 22:58:53 2010
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.6 2010/03/29 13:26:32 pooka Exp $
+# $NetBSD: Makefile,v 1.7 2010/04/12 22:58:53 pooka Exp $
#
TESTSDIR= ${TESTSBASE}/fs/ffs
@@ -6,8 +6,10 @@
TESTS_C= t_renamerace
TESTS_C+= t_fifos
+TESTS_C+= t_snapshot
LDADD+=-lrumpfs_ffs # ffs
+LDADD+=-lrumpdev_fss # snapshot dev
LDADD+=-lrumpdev_disk -lrumpdev # disk device
LDADD+=-lrumpvfs_fifofs -lrumpnet_local -lrumpnet_net -lrumpnet # fifos
LDADD+=-lrumpvfs -lrump -lrumpuser -lpthread # base
Added files:
Index: src/tests/fs/ffs/t_snapshot.c
diff -u /dev/null src/tests/fs/ffs/t_snapshot.c:1.1
--- /dev/null Mon Apr 12 22:58:53 2010
+++ src/tests/fs/ffs/t_snapshot.c Mon Apr 12 22:58:53 2010
@@ -0,0 +1,136 @@
+/* $NetBSD: t_snapshot.c,v 1.1 2010/04/12 22:58:53 pooka Exp $ */
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <sys/mount.h>
+
+#include <dev/fssvar.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <ufs/ufs/ufsmount.h>
+
+#include <atf-c.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "../../h_macros.h"
+
+#define IMGNAME "ffs.img"
+#define NEWFS "newfs -F -s 10000 " IMGNAME
+#define BAKNAME "/mnt/bak.img"
+
+ATF_TC_WITH_CLEANUP(snapshot);
+ATF_TC_HEAD(snapshot, tc)
+{
+
+ atf_tc_set_md_var(tc, "descr", "basic snapshot features");
+}
+
+static void
+makefile(const char *path)
+{
+ int fd;
+
+ fd = rump_sys_open(path, O_CREAT | O_RDWR, 0777);
+ if (fd == -1)
+ atf_tc_fail_errno("create %s", path);
+ rump_sys_close(fd);
+}
+
+ATF_TC_BODY(snapshot, tc)
+{
+ char buf[1024];
+ struct ufs_args uargs;
+ struct fss_set fss;
+ int fssfd;
+ int fd, fd2;
+
+ if (system(NEWFS) == -1)
+ atf_tc_fail_errno("cannot create file system");
+
+ rump_init();
+
+ if (rump_sys_mkdir("/mnt", 0777) == -1)
+ atf_tc_fail_errno("mount point create");
+ if (rump_sys_mkdir("/snap", 0777) == -1)
+ atf_tc_fail_errno("mount point 2 create");
+
+ rump_pub_etfs_register("./ffs.img", "./ffs.img", RUMP_ETFS_BLK);
+
+ uargs.fspec = __UNCONST("./ffs.img");
+
+ if (rump_sys_mount(MOUNT_FFS, "/mnt", 0, &uargs, sizeof(uargs)) == -1)
+ atf_tc_fail_errno("mount ffs");
+
+#define TESTSTR1 "huihai\n"
+#define TESTSZ1 (sizeof(TESTSTR1)-1)
+#define TESTSTR2 "baana liten\n"
+#define TESTSZ2 (sizeof(TESTSTR2)-1)
+
+ fd = rump_sys_open("/mnt/myfile", O_RDWR | O_CREAT, 0777);
+ if (fd == -1)
+ atf_tc_fail_errno("create file");
+ if (rump_sys_write(fd, TESTSTR1, TESTSZ1) != TESTSZ1)
+ atf_tc_fail_errno("write fail");
+
+ fssfd = rump_sys_open("/dev/rfss0", O_RDWR);
+ if (fd == -1)
+ atf_tc_fail_errno("cannot open fss");
+ makefile(BAKNAME);
+ memset(&fss, 0, sizeof(fss));
+ fss.fss_mount = __UNCONST("/mnt");
+ fss.fss_bstore = __UNCONST(BAKNAME);
+ fss.fss_csize = 0;
+ if (rump_sys_ioctl(fssfd, FSSIOCSET, &fss) == -1)
+ atf_tc_fail_errno("create snapshot");
+
+ if (rump_sys_pwrite(fd, TESTSTR2, TESTSZ2, 0) != TESTSZ2)
+ atf_tc_fail_errno("write fail");
+ rump_sys_sync();
+
+ uargs.fspec = __UNCONST("/dev/fss0");
+
+ /* technically we should fsck it first? */
+ if (rump_sys_mount(MOUNT_FFS, "/snap", 0, &uargs, sizeof(uargs)) == -1)
+ atf_tc_fail_errno("mount snapshot");
+
+ /* check for old contents */
+ fd2 = rump_sys_open("/snap/myfile", O_RDONLY);
+ if (fd2 == -1)
+ atf_tc_fail_errno("fail");
+ memset(buf, 0, sizeof(buf));
+ if (rump_sys_read(fd2, buf, sizeof(buf)) == -1)
+ atf_tc_fail_errno("read snap");
+
+ /* check that new files are invisible in the snapshot */
+ makefile("/mnt/newfile");
+ if (rump_sys_open("/snap/newfile", O_RDONLY) != -1)
+ atf_tc_fail("newfile exists in snapshot");
+ if (errno != ENOENT)
+ atf_tc_fail_errno("newfile open should fail with ENOENT");
+
+ /* check that removed files are still visible in the snapshot */
+ rump_sys_unlink("/mnt/myfile");
+
+ if (rump_sys_open("/snap/myfile", O_RDONLY) == -1)
+ atf_tc_fail_errno("unlinked file no longer in snapshot");
+
+ ATF_CHECK(strcmp(buf, TESTSTR1) == 0);
+}
+
+ATF_TC_CLEANUP(snapshot, tc)
+{
+
+ unlink(IMGNAME);
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+ ATF_TP_ADD_TC(tp, snapshot);
+ return 0;
+}
