# HG changeset patch
# User Rusty Russell <rusty@xxxxxxxxxxxxxxx>
# Node ID a678d0c04c92a555cc8e592a51ed294e5cc9c021
# Parent 90b4e122d3407c7d0e28e6391ca89d46d5a81e52
Remove iflag argument to xs_write
xs_write with O_CREAT|O_EXCL causes problems over daemon restarts, since it's
not idempotent.
It turns out noone really needs the flags word at all, so get rid of it. It's
now as if everyone specified "O_CREAT".
diff -r 90b4e122d340 -r a678d0c04c92 tools/blktap/xenbus.c
--- a/tools/blktap/xenbus.c Fri Sep 16 05:01:11 2005
+++ b/tools/blktap/xenbus.c Fri Sep 16 06:46:15 2005
@@ -92,7 +92,7 @@
if ((path == NULL) || (buf == NULL))
return 0;
- ret = xs_write(h, path, buf, strlen(buf)+1, O_CREAT);
+ ret = xs_write(h, path, buf, strlen(buf)+1);
free(buf);
free(path);
diff -r 90b4e122d340 -r a678d0c04c92 tools/console/daemon/io.c
--- a/tools/console/daemon/io.c Fri Sep 16 05:01:11 2005
+++ b/tools/console/daemon/io.c Fri Sep 16 06:46:15 2005
@@ -165,7 +165,7 @@
success = asprintf(&path, "%s/tty", dom->conspath) != -1;
if (!success)
goto out;
- success = xs_write(xs, path, slave, strlen(slave), O_CREAT);
+ success = xs_write(xs, path, slave, strlen(slave));
free(path);
if (!success)
goto out;
diff -r 90b4e122d340 -r a678d0c04c92 tools/python/xen/lowlevel/xs/xs.c
--- a/tools/python/xen/lowlevel/xs/xs.c Fri Sep 16 05:01:11 2005
+++ b/tools/python/xen/lowlevel/xs/xs.c Fri Sep 16 06:46:15 2005
@@ -116,8 +116,6 @@
"Write data to a path.\n" \
" path [string] : xenstore path to write to\n." \
" data [string] : data to write.\n" \
- " create [int] : create flag, default 0.\n" \
- " excl [int] : exclusive flag, default 0.\n" \
"\n" \
"Returns None on success.\n" \
"Raises RuntimeError on error.\n" \
@@ -125,30 +123,23 @@
static PyObject *xspy_write(PyObject *self, PyObject *args, PyObject *kwds)
{
- static char *kwd_spec[] = { "path", "data", "create", "excl", NULL };
- static char *arg_spec = "ss#|ii";
+ static char *kwd_spec[] = { "path", "data", NULL };
+ static char *arg_spec = "ss#";
char *path = NULL;
char *data = NULL;
int data_n = 0;
- int create = 0;
- int excl = 0;
-
- struct xs_handle *xh = xshandle(self);
- PyObject *val = NULL;
- int flags = 0;
+
+ struct xs_handle *xh = xshandle(self);
+ PyObject *val = NULL;
int xsval = 0;
if (!xh)
goto exit;
if (!PyArg_ParseTupleAndKeywords(args, kwds, arg_spec, kwd_spec,
- &path, &data, &data_n, &create, &excl))
- goto exit;
- if (create)
- flags |= O_CREAT;
- if (excl)
- flags |= O_EXCL;
- Py_BEGIN_ALLOW_THREADS
- xsval = xs_write(xh, path, data, data_n, flags);
+ &path, &data, &data_n))
+ goto exit;
+ Py_BEGIN_ALLOW_THREADS
+ xsval = xs_write(xh, path, data, data_n);
Py_END_ALLOW_THREADS
if (!xsval) {
PyErr_SetFromErrno(PyExc_RuntimeError);
diff -r 90b4e122d340 -r a678d0c04c92 tools/python/xen/xend/xenstore/xsnode.py
--- a/tools/python/xen/xend/xenstore/xsnode.py Fri Sep 16 05:01:11 2005
+++ b/tools/python/xen/xend/xenstore/xsnode.py Fri Sep 16 06:46:15 2005
@@ -255,7 +255,7 @@
if x == "": continue
p = os.path.join(p, x)
if not self.exists(p):
- self.getxs().write(p, "", create=True)
+ self.getxs().write(p, "")
def read(self, path):
try:
@@ -266,13 +266,12 @@
else:
raise
- def create(self, path, excl=False):
- self.write(path, "", create=True, excl=excl)
-
- def write(self, path, data, create=True, excl=False):
- self.mkdirs(path)
- try:
- self.getxs().write(path, data, create=create, excl=excl)
+ def create(self, path):
+ self.write(path, "")
+
+ def write(self, path, data):
+ try:
+ self.getxs().write(path, data)
except Exception, ex:
raise
diff -r 90b4e122d340 -r a678d0c04c92
tools/python/xen/xend/xenstore/xstransact.py
--- a/tools/python/xen/xend/xenstore/xstransact.py Fri Sep 16 05:01:11 2005
+++ b/tools/python/xen/xend/xenstore/xstransact.py Fri Sep 16 06:46:15 2005
@@ -53,13 +53,11 @@
ret.append(self._read(key))
return ret
- def _write(self, key, data, create=True, excl=False):
- path = "%s/%s" % (self.path, key)
- xshandle().write(path, data, create=create, excl=excl)
+ def _write(self, key, data):
+ path = "%s/%s" % (self.path, key)
+ xshandle().write(path, data)
def write(self, *args, **opts):
- create = opts.get('create') or True
- excl = opts.get('excl') or False
if len(args) == 0:
raise TypeError
if isinstance(args[0], dict):
@@ -67,15 +65,15 @@
if not isinstance(d, dict):
raise TypeError
for key in d.keys():
- self._write(key, d[key], create, excl)
+ self._write(key, d[key])
elif isinstance(args[0], list):
for l in args:
if not len(l) == 2:
raise TypeError
- self._write(l[0], l[1], create, excl)
+ self._write(l[0], l[1])
elif len(args) % 2 == 0:
for i in range(len(args) / 2):
- self._write(args[i * 2], args[i * 2 + 1], create, excl)
+ self._write(args[i * 2], args[i * 2 + 1])
else:
raise TypeError
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/01simple.test
--- a/tools/xenstore/testsuite/01simple.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/01simple.test Fri Sep 16 06:46:15 2005
@@ -1,4 +1,4 @@
# Create an entry, read it.
-write /test create contents
+write /test contents
expect contents
read /test
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/02directory.test
--- a/tools/xenstore/testsuite/02directory.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/02directory.test Fri Sep 16 06:46:15 2005
@@ -3,7 +3,7 @@
dir /
# Create a file.
-write /test create contents
+write /test contents
# Directory shows it.
expect test
@@ -21,7 +21,7 @@
dir /dir
# Create a file, check it exists.
-write /dir/test2 create contents2
+write /dir/test2 contents2
expect test2
dir /dir
expect contents2
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/03write.test
--- a/tools/xenstore/testsuite/03write.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/03write.test Fri Sep 16 06:46:15 2005
@@ -1,31 +1,20 @@
-# Write without create fails.
-expect write failed: No such file or directory
-write /test none contents
-
-# Exclusive write succeeds
-write /test excl contents
+# Write succeeds
+write /test contents
expect contents
read /test
-# Exclusive write fails to overwrite.
-expect write failed: File exists
-write /test excl contents
-
-# Non-exclusive overwrite succeeds.
-write /test none contents2
+# Overwrite succeeds.
+write /test contents2
expect contents2
-read /test
-write /test create contents3
-expect contents3
read /test
# Write should implicitly create directories
-write /dir/test create contents
+write /dir/test contents
expect test
dir /dir
expect contents
read /dir/test
-write /dir/1/2/3/4 excl contents4
+write /dir/1/2/3/4 contents4
expect test
expect 1
dir /dir
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/04rm.test
--- a/tools/xenstore/testsuite/04rm.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/04rm.test Fri Sep 16 06:46:15 2005
@@ -4,7 +4,7 @@
rm /dir/test
# Create file and remove it
-write /test excl contents
+write /test contents
rm /test
# Create directory and remove it.
@@ -13,5 +13,5 @@
# Create directory, create file, remove all.
mkdir /dir
-write /dir/test excl contents
+write /dir/test contents
rm /dir
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/05filepermissions.test
--- a/tools/xenstore/testsuite/05filepermissions.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/05filepermissions.test Fri Sep 16 06:46:15 2005
@@ -5,7 +5,7 @@
getperm /dir/test
# Create file: inherits from root (0 READ)
-write /test excl contents
+write /test contents
expect 0 READ
getperm /test
setid 1
@@ -14,7 +14,7 @@
expect contents
read /test
expect write failed: Permission denied
-write /test none contents
+write /test contents
# Take away read access to file.
setid 0
@@ -25,7 +25,7 @@
expect read failed: Permission denied
read /test
expect write failed: Permission denied
-write /test none contents
+write /test contents
# Grant everyone write access to file.
setid 0
@@ -35,7 +35,7 @@
getperm /test
expect read failed: Permission denied
read /test
-write /test none contents2
+write /test contents2
setid 0
expect contents2
read /test
@@ -47,7 +47,7 @@
getperm /test
expect contents2
read /test
-write /test none contents3
+write /test contents3
expect contents3
read /test
@@ -59,7 +59,7 @@
getperm /test
expect contents3
read /test
-write /test none contents4
+write /test contents4
# User 2 can do nothing.
setid 2
@@ -70,7 +70,7 @@
expect read failed: Permission denied
read /test
expect write failed: Permission denied
-write /test none contents4
+write /test contents4
# Tools can always access things.
setid 0
@@ -78,4 +78,4 @@
getperm /test
expect contents4
read /test
-write /test none contents5
+write /test contents5
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/06dirpermissions.test
--- a/tools/xenstore/testsuite/06dirpermissions.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/06dirpermissions.test Fri Sep 16 06:46:15 2005
@@ -11,7 +11,7 @@
getperm /dir
dir /dir
expect write failed: Permission denied
-write /dir/test create contents2
+write /dir/test contents2
# Remove everyone's read access to directoy.
setid 0
@@ -22,7 +22,7 @@
expect read failed: Permission denied
read /dir/test create contents2
expect write failed: Permission denied
-write /dir/test create contents2
+write /dir/test contents2
# Grant everyone write access to directory.
setid 0
@@ -32,7 +32,7 @@
getperm /dir
expect dir failed: Permission denied
dir /dir
-write /dir/test create contents
+write /dir/test contents
setid 0
expect 1 WRITE
getperm /dir/test
@@ -47,7 +47,7 @@
getperm /dir
expect test
dir /dir
-write /dir/test2 create contents
+write /dir/test2 contents
expect contents
read /dir/test2
setperm /dir/test2 1 NONE
@@ -60,7 +60,7 @@
expect test
expect test2
dir /dir
-write /dir/test3 create contents
+write /dir/test3 contents
# User 2 can do nothing. Can't even tell if file exists.
setid 2
@@ -79,17 +79,9 @@
expect read failed: Permission denied
read /dir/test4
expect write failed: Permission denied
-write /dir/test none contents
+write /dir/test contents
expect write failed: Permission denied
-write /dir/test create contents
-expect write failed: Permission denied
-write /dir/test excl contents
-expect write failed: Permission denied
-write /dir/test4 none contents
-expect write failed: Permission denied
-write /dir/test4 create contents
-expect write failed: Permission denied
-write /dir/test4 excl contents
+write /dir/test4 contents
# Tools can always access things.
setid 0
@@ -99,13 +91,13 @@
expect test2
expect test3
dir /dir
-write /dir/test4 create contents
+write /dir/test4 contents
# Inherited by child.
mkdir /dir/subdir
expect 1 NONE
getperm /dir/subdir
-write /dir/subfile excl contents
+write /dir/subfile contents
expect 1 NONE
getperm /dir/subfile
@@ -114,12 +106,12 @@
expect 2 READ/WRITE
getperm /dir/subdir
setid 3
-write /dir/subdir/subfile excl contents
+write /dir/subdir/subfile contents
expect 3 READ/WRITE
getperm /dir/subdir/subfile
# Inheritence works through multiple directories, too.
-write /dir/subdir/1/2/3/4 excl contents
+write /dir/subdir/1/2/3/4 contents
expect 3 READ/WRITE
getperm /dir/subdir/1/2/3/4
mkdir /dir/subdir/a/b/c/d
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/07watch.test
--- a/tools/xenstore/testsuite/07watch.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/07watch.test Fri Sep 16 06:46:15 2005
@@ -1,8 +1,8 @@
# Watch something, write to it, check watch has fired.
-write /test create contents
+write /test contents
1 watch /test token
-2 write /test create contents2
+2 write /test contents2
expect 1:/test:token
1 waitwatch
1 ackwatch token
@@ -44,7 +44,7 @@
# ignore watches while doing commands, should work.
watch /dir token
-1 write /dir/test create contents
+1 write /dir/test contents
expect contents
read /dir/test
expect /dir/test:token
@@ -56,7 +56,7 @@
1 watch /dir token1
3 watch /dir token3
2 watch /dir token2
-write /dir/test create contents
+write /dir/test contents
expect 3:/dir/test:token3
3 waitwatch
3 ackwatch token3
@@ -73,7 +73,7 @@
# If one dies (without acking), the other should still get ack.
1 watch /dir token1
2 watch /dir token2
-write /dir/test create contents
+write /dir/test contents
expect 2:/dir/test:token2
2 waitwatch
2 close
@@ -85,7 +85,7 @@
# If one dies (without reading at all), the other should still get ack.
1 watch /dir token1
2 watch /dir token2
-write /dir/test create contents
+write /dir/test contents
2 close
expect 1:/dir/test:token1
1 waitwatch
@@ -97,7 +97,7 @@
1 watch /dir token1
1 unwatch /dir token1
1 watch /dir token2
-2 write /dir/test2 create contents
+2 write /dir/test2 contents
expect 1:/dir/test2:token2
1 waitwatch
1 unwatch /dir token2
@@ -107,7 +107,7 @@
# unwatch while watch pending. Other watcher still gets the event.
1 watch /dir token1
2 watch /dir token2
-write /dir/test create contents
+write /dir/test contents
2 unwatch /dir token2
expect 1:/dir/test:token1
1 waitwatch
@@ -117,17 +117,17 @@
# unwatch while watch pending. Should clear this so we get next event.
1 watch /dir token1
-write /dir/test create contents
+write /dir/test contents
1 unwatch /dir token1
1 watch /dir/test token2
-write /dir/test none contents2
+write /dir/test contents2
expect 1:/dir/test:token2
1 waitwatch
1 ackwatch token2
# check we only get notified once.
1 watch /test token
-2 write /test create contents2
+2 write /test contents2
expect 1:/test:token
1 waitwatch
1 ackwatch token
@@ -137,9 +137,9 @@
# watches are queued in order.
1 watch / token
-2 write /test1 create contents
-2 write /test2 create contents
-2 write /test3 create contents
+2 write /test1 contents
+2 write /test2 contents
+2 write /test3 contents
expect 1:/test1:token
1 waitwatch
1 ackwatch token
@@ -153,8 +153,8 @@
# Creation of subpaths should be covered correctly.
1 watch / token
-2 write /test/subnode create contents2
-2 write /test/subnode/subnode create contents2
+2 write /test/subnode contents2
+2 write /test/subnode/subnode contents2
expect 1:/test/subnode:token
1 waitwatch
1 ackwatch token
@@ -167,7 +167,7 @@
# Watch event must have happened before we registered interest.
1 watch / token
-2 write /test/subnode create contents2
+2 write /test/subnode contents2
1 watch / token2 0
expect 1:/test/subnode:token
1 waitwatch
@@ -185,7 +185,7 @@
# Watch should not double-send after we ack, even if we did something in
between.
1 watch /test2 token
-2 write /test2/foo create contents2
+2 write /test2/foo contents2
expect 1:/test2/foo:token
1 waitwatch
expect 1:contents2
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/08transaction.slowtest
--- a/tools/xenstore/testsuite/08transaction.slowtest Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/08transaction.slowtest Fri Sep 16 06:46:15 2005
@@ -1,7 +1,7 @@
# Test transaction timeouts. Take a second each.
mkdir /test
-write /test/entry1 create contents
+write /test/entry1 contents
# Transactions can take as long as the want...
start /test
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/08transaction.test
--- a/tools/xenstore/testsuite/08transaction.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/08transaction.test Fri Sep 16 06:46:15 2005
@@ -4,7 +4,7 @@
# Simple transaction: create a file inside transaction.
1 start /test
-1 write /test/entry1 create contents
+1 write /test/entry1 contents
2 dir /test
expect 1:entry1
1 dir /test
@@ -16,14 +16,14 @@
# Create a file and abort transaction.
1 start /test
-1 write /test/entry1 create contents
+1 write /test/entry1 contents
2 dir /test
expect 1:entry1
1 dir /test
1 abort
2 dir /test
-write /test/entry1 create contents
+write /test/entry1 contents
# Delete in transaction, commit
1 start /test
1 rm /test/entry1
@@ -34,7 +34,7 @@
2 dir /test
# Delete in transaction, abort.
-write /test/entry1 create contents
+write /test/entry1 contents
1 start /test
1 rm /test/entry1
expect 2:entry1
@@ -84,8 +84,8 @@
# Multiple events from single transaction don't trigger assert
1 watch /test token
2 start /test
-2 write /test/1 create contents
-2 write /test/2 create contents
+2 write /test/1 contents
+2 write /test/2 contents
2 commit
expect 1:/test/1:token
1 waitwatch
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/09domain.test
--- a/tools/xenstore/testsuite/09domain.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/09domain.test Fri Sep 16 06:46:15 2005
@@ -3,7 +3,7 @@
# Create a domain, write an entry.
expect handle is 1
introduce 1 100 7 /my/home
-1 write /entry1 create contents
+1 write /entry1 contents
expect entry1
expect tool
dir /
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/10domain-homedir.test
--- a/tools/xenstore/testsuite/10domain-homedir.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/10domain-homedir.test Fri Sep 16 06:46:15 2005
@@ -4,7 +4,7 @@
mkdir /home
expect handle is 1
introduce 1 100 7 /home
-1 write entry1 create contents
+1 write entry1 contents
expect contents
read /home/entry1
expect entry1
@@ -13,7 +13,7 @@
# Place a watch using a relative path: expect relative answer.
1 mkdir foo
1 watch foo token
-write /home/foo/bar create contents
+write /home/foo/bar contents
expect 1:foo/bar:token
1 waitwatch
1 ackwatch token
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/11domain-watch.test
--- a/tools/xenstore/testsuite/11domain-watch.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/11domain-watch.test Fri Sep 16 06:46:15 2005
@@ -1,13 +1,13 @@
# Test watching from a domain.
# Watch something, write to it, check watch has fired.
-write /test create contents
+write /test contents
mkdir /dir
expect handle is 1
introduce 1 100 7 /my/home
1 watch /test token
-write /test create contents2
+write /test contents2
expect 1:/test:token
1 waitwatch
1 ackwatch token
@@ -19,10 +19,10 @@
expect handle is 1
introduce 1 100 7 /my/home
1 watch /dir token
-write /dir/test create contents
-1 write /dir/test2 create contents2
-1 write /dir/test3 create contents3
-1 write /dir/test4 create contents4
+write /dir/test contents
+1 write /dir/test2 contents2
+1 write /dir/test3 contents3
+1 write /dir/test4 contents4
expect 1:/dir/test:token
1 waitwatch
1 ackwatch token
@@ -35,7 +35,7 @@
1 watch /dir token1
1 unwatch /dir token1
1 watch /dir token2
-write /dir/test2 create contents
+write /dir/test2 contents
expect 1:/dir/test2:token2
1 waitwatch
1 unwatch /dir token2
@@ -46,7 +46,7 @@
expect handle is 1
introduce 1 100 7 /my/home
1 watch /dir token1
-write /dir/test2 create contents
+write /dir/test2 contents
1 unwatch /dir token1
release 1
1 close
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/12readonly.test
--- a/tools/xenstore/testsuite/12readonly.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/12readonly.test Fri Sep 16 06:46:15 2005
@@ -1,6 +1,6 @@
# Test that read only connection can't alter store.
-write /test create contents
+write /test contents
readonly
expect test
@@ -20,9 +20,9 @@
# These don't work
expect write failed: Read-only file system
-write /test2 create contents
+write /test2 contents
expect write failed: Read-only file system
-write /test create contents
+write /test contents
expect setperm failed: Read-only file system
setperm /test 100 NONE
expect setperm failed: Read-only file system
@@ -35,7 +35,7 @@
# Check that watches work like normal.
watch / token
1 readwrite
-1 write /test create contents
+1 write /test contents
expect /test:token
waitwatch
ackwatch token
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/13watch-ack.test
--- a/tools/xenstore/testsuite/13watch-ack.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/13watch-ack.test Fri Sep 16 06:46:15 2005
@@ -13,10 +13,10 @@
1 watch /test/1 token1
1 watch /test/2 token2
1 watch /test/3 token3
-2 write /test/2 create contents2
+2 write /test/2 contents2
expect 1:/test/2:token2
1 waitwatch
-3 write /test/1 create contents1
-4 write /test/3 create contents3
+3 write /test/1 contents1
+4 write /test/3 contents3
1 ackwatch token2
1 close
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/14complexperms.test
--- a/tools/xenstore/testsuite/14complexperms.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/14complexperms.test Fri Sep 16 06:46:15 2005
@@ -12,13 +12,7 @@
expect *Permission denied
read /dir/file
expect *Permission denied
-write /dir/file none value
-expect *Permission denied
-write /dir/file create value
-expect *Permission denied
-write /dir/file excl value
-expect write failed: Invalid argument
-write /dir/file crap value
+write /dir/file value
expect *Permission denied
mkdir /dir/file
expect *Permission denied
@@ -30,7 +24,7 @@
expect *Permission denied
setperm /dir/file 0 NONE
watch /dir/file token
-1 write /dir/file create contents
+1 write /dir/file contents
1 rm /dir/file
expect waitwatch failed: Connection timed out
waitwatch
@@ -50,7 +44,7 @@
# Now it exists
setid 0
-write /dir/file create contents
+write /dir/file contents
setid 1
expect *Permission denied
@@ -58,13 +52,7 @@
expect *Permission denied
read /dir/file
expect *Permission denied
-write /dir/file none value
-expect *Permission denied
-write /dir/file create value
-expect *Permission denied
-write /dir/file excl value
-expect write failed: Invalid argument
-write /dir/file crap value
+write /dir/file value
expect *Permission denied
mkdir /dir/file
expect *Permission denied
@@ -76,7 +64,7 @@
expect *Permission denied
setperm /dir/file 0 NONE
watch /dir/file token
-1 write /dir/file create contents
+1 write /dir/file contents
1 rm /dir/file
expect waitwatch failed: Connection timed out
waitwatch
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/testsuite/15nowait.test
--- a/tools/xenstore/testsuite/15nowait.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/15nowait.test Fri Sep 16 06:46:15 2005
@@ -1,10 +1,10 @@
# If we don't wait for an ack, we can crash daemon as it never expects to be
# sending out two replies on top of each other.
-noackwrite /1 create 1
-noackwrite /2 create 2
-noackwrite /3 create 3
-noackwrite /4 create 4
-noackwrite /5 create 5
+noackwrite /1 1
+noackwrite /2 2
+noackwrite /3 3
+noackwrite /4 4
+noackwrite /5 5
readack
readack
readack
@@ -13,11 +13,11 @@
expect handle is 1
introduce 1 100 7 /my/home
-1 noackwrite /1 create 1
-1 noackwrite /2 create 2
-1 noackwrite /3 create 3
-1 noackwrite /4 create 4
-1 noackwrite /5 create 5
+1 noackwrite /1 1
+1 noackwrite /2 2
+1 noackwrite /3 3
+1 noackwrite /4 4
+1 noackwrite /5 5
1 readack
1 readack
1 readack
diff -r 90b4e122d340 -r a678d0c04c92
tools/xenstore/testsuite/16block-watch-crash.test
--- a/tools/xenstore/testsuite/16block-watch-crash.test Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/testsuite/16block-watch-crash.test Fri Sep 16 06:46:15 2005
@@ -4,8 +4,8 @@
watch /test token
1 start /test
# This will block on above
-noackwrite /test/entry create contents
-1 write /test/entry2 create contents
+noackwrite /test/entry contents
+1 write /test/entry2 contents
1 commit
readack
expect /test/entry2:token
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xenstored_core.c
--- a/tools/xenstore/xenstored_core.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xenstored_core.c Fri Sep 16 06:46:15 2005
@@ -968,14 +968,12 @@
return lstat(node_dir(conn->transaction, node), &st) == 0;
}
-/* path, flags, data... */
+/* path, data... */
static void do_write(struct connection *conn, struct buffered_data *in)
{
unsigned int offset, datalen;
- char *vec[2];
+ char *vec[1] = { NULL }; /* gcc4 + -W + -Werror fucks code. */
char *node, *tmppath;
- enum xs_perm_type mode;
- struct stat st;
/* Extra "strings" can be created by binary data. */
if (get_strings(in, vec, ARRAY_SIZE(vec)) < ARRAY_SIZE(vec)) {
@@ -992,37 +990,20 @@
if (transaction_block(conn, node))
return;
- offset = strlen(vec[0]) + strlen(vec[1]) + 2;
+ offset = strlen(vec[0]) + 1;
datalen = in->used - offset;
- if (streq(vec[1], XS_WRITE_NONE))
- mode = XS_PERM_WRITE;
- else if (streq(vec[1], XS_WRITE_CREATE))
- mode = XS_PERM_WRITE|XS_PERM_ENOENT_OK;
- else if (streq(vec[1], XS_WRITE_CREATE_EXCL))
- mode = XS_PERM_WRITE|XS_PERM_ENOENT_OK;
- else {
- send_error(conn, EINVAL);
- return;
- }
-
- if (!check_node_perms(conn, node, mode)) {
+ if (!check_node_perms(conn, node, XS_PERM_WRITE|XS_PERM_ENOENT_OK)) {
send_error(conn, errno);
return;
}
- if (lstat(node_dir(conn->transaction, node), &st) != 0) {
+ if (!node_exists(conn, node)) {
char *dir;
/* Does not exist... */
if (errno != ENOENT) {
send_error(conn, errno);
- return;
- }
-
- /* Not going to create it? */
- if (streq(vec[1], XS_WRITE_NONE)) {
- send_error(conn, ENOENT);
return;
}
@@ -1034,11 +1015,6 @@
} else {
/* Exists... */
- if (streq(vec[1], XS_WRITE_CREATE_EXCL)) {
- send_error(conn, EEXIST);
- return;
- }
-
tmppath = tempfile(node_datafile(conn->transaction, node),
in->buffer + offset, datalen);
if (!tmppath) {
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs.c
--- a/tools/xenstore/xs.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs.c Fri Sep 16 06:46:15 2005
@@ -326,32 +326,17 @@
}
/* Write the value of a single file.
- * Returns false on failure. createflags can be 0, O_CREAT, or O_CREAT|O_EXCL.
+ * Returns false on failure.
*/
bool xs_write(struct xs_handle *h, const char *path,
- const void *data, unsigned int len, int createflags)
-{
- const char *flags;
- struct iovec iovec[3];
-
- /* Format: Flags (as string), path, data. */
- if (createflags == 0)
- flags = XS_WRITE_NONE;
- else if (createflags == O_CREAT)
- flags = XS_WRITE_CREATE;
- else if (createflags == (O_CREAT|O_EXCL))
- flags = XS_WRITE_CREATE_EXCL;
- else {
- errno = EINVAL;
- return false;
- }
+ const void *data, unsigned int len)
+{
+ struct iovec iovec[2];
iovec[0].iov_base = (void *)path;
iovec[0].iov_len = strlen(path) + 1;
- iovec[1].iov_base = (void *)flags;
- iovec[1].iov_len = strlen(flags) + 1;
- iovec[2].iov_base = (void *)data;
- iovec[2].iov_len = len;
+ iovec[1].iov_base = (void *)data;
+ iovec[1].iov_len = len;
return xs_bool(xs_talkv(h, XS_WRITE, iovec, ARRAY_SIZE(iovec), NULL));
}
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs.h
--- a/tools/xenstore/xs.h Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs.h Fri Sep 16 06:46:15 2005
@@ -53,10 +53,10 @@
void *xs_read(struct xs_handle *h, const char *path, unsigned int *len);
/* Write the value of a single file.
- * Returns false on failure. createflags can be 0, O_CREAT, or O_CREAT|O_EXCL.
+ * Returns false on failure.
*/
bool xs_write(struct xs_handle *h, const char *path, const void *data,
- unsigned int len, int createflags);
+ unsigned int len);
/* Create a new directory.
* Returns false on failure, or success if it already exists.
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs_crashme.c
--- a/tools/xenstore/xs_crashme.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs_crashme.c Fri Sep 16 06:46:15 2005
@@ -267,17 +267,12 @@
free(xs_read(h, name, &num));
break;
case 2: {
- int flags = random_flags(&state);
char *contents = talloc_asprintf(NULL, "%i",
get_randomness(&state));
unsigned int len = get_randomness(&state)%(strlen(contents)+1);
if (verbose)
- printf("WRITE %s %s %.*s\n", name,
- flags == O_CREAT ? "O_CREAT"
- : flags == (O_CREAT|O_EXCL) ? "O_CREAT|O_EXCL"
- : flags == 0 ? "0" : "CRAPFLAGS",
- len, contents);
- xs_write(h, name, contents, len, flags);
+ printf("WRITE %s %.*s\n", name, len, contents);
+ xs_write(h, name, contents, len);
break;
}
case 3:
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs_random.c
--- a/tools/xenstore/xs_random.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs_random.c Fri Sep 16 06:46:15 2005
@@ -26,7 +26,7 @@
void *(*read)(void *h, const char *path, unsigned int *len);
bool (*write)(void *h, const char *path, const void *data,
- unsigned int len, int createflags);
+ unsigned int len);
bool (*mkdir)(void *h, const char *path);
@@ -333,40 +333,18 @@
static bool file_write(struct file_ops_info *info,
const char *path, const void *data,
- unsigned int len, int createflags)
+ unsigned int len)
{
char *filename = filename_to_data(path_to_name(info, path));
int fd;
- /* Kernel isn't strict, but library is. */
- if (createflags & ~(O_CREAT|O_EXCL)) {
- errno = EINVAL;
- return false;
- }
-
if (!write_ok(info, path))
return false;
- /* We regard it as existing if dir exists. */
- if (strends(filename, ".DATA")) {
- if (!createflags)
- createflags = O_CREAT;
- if (createflags & O_EXCL) {
- errno = EEXIST;
- return false;
- }
- }
-
- if (createflags & O_CREAT)
- make_dirs(parent_filename(filename));
-
- fd = open(filename, createflags|O_TRUNC|O_WRONLY, 0600);
- if (fd < 0) {
- /* FIXME: Another hack. */
- if (!(createflags & O_CREAT) && errno == EISDIR)
- errno = EEXIST;
+ make_dirs(parent_filename(filename));
+ fd = open(filename, O_CREAT|O_TRUNC|O_WRONLY, 0600);
+ if (fd < 0)
return false;
- }
if (write(fd, data, len) != (int)len)
barf_perror("Bad write to %s", filename);
@@ -846,20 +824,6 @@
return ret;
}
-static int random_flags(int *state)
-{
- switch (get_randomness(state) % 4) {
- case 0:
- return 0;
- case 1:
- return O_CREAT;
- case 2:
- return O_CREAT|O_EXCL;
- default:
- return get_randomness(state);
- }
-}
-
/* Do the next operation, return the results. */
static char *do_next_op(struct ops *ops, void *h, int state, bool verbose)
{
@@ -883,18 +847,12 @@
ret = linearize_read(ops->read(h, name, &num), &num);
break;
case 2: {
- int flags = random_flags(&state);
char *contents = talloc_asprintf(NULL, "%i",
get_randomness(&state));
unsigned int len = get_randomness(&state)%(strlen(contents)+1);
if (verbose)
- printf("WRITE %s %s %.*s\n", name,
- flags == O_CREAT ? "O_CREAT"
- : flags == (O_CREAT|O_EXCL) ? "O_CREAT|O_EXCL"
- : flags == 0 ? "0" : "CRAPFLAGS",
- len, contents);
- ret = bool_to_errstring(ops->write(h, name, contents, len,
- flags));
+ printf("WRITE %s %.*s\n", name, len, contents);
+ ret = bool_to_errstring(ops->write(h, name, contents, len));
talloc_steal(ret, contents);
break;
}
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs_stress.c
--- a/tools/xenstore/xs_stress.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs_stress.c Fri Sep 16 06:46:15 2005
@@ -61,7 +61,7 @@
barf_perror("%i: can't read %s iter %i",
childnum, file, i);
sprintf(tmp, "%i", atoi(contents) + 1);
- if (!xs_write(h, file, tmp, strlen(tmp)+1, 0))
+ if (!xs_write(h, file, tmp, strlen(tmp)+1))
barf_perror("%i: can't write %s iter %i",
childnum, file, i);
@@ -91,7 +91,7 @@
if (togo == 0) {
sprintf(filename, "%s/count", base);
- if (!xs_write(h, filename, "0", 2, O_EXCL|O_CREAT))
+ if (!xs_write(h, filename, "0", 1))
barf_perror("Writing to %s", filename);
return;
}
diff -r 90b4e122d340 -r a678d0c04c92 tools/xenstore/xs_test.c
--- a/tools/xenstore/xs_test.c Fri Sep 16 05:01:11 2005
+++ b/tools/xenstore/xs_test.c Fri Sep 16 06:46:15 2005
@@ -192,7 +192,7 @@
"Reads commands from stdin, one per line:"
" dir <path>\n"
" read <path>\n"
- " write <path> <flags> <value>...\n"
+ " write <path> <value>...\n"
" setid <id>\n"
" mkdir <path>\n"
" rm <path>\n"
@@ -213,7 +213,7 @@
" notimeout\n"
" readonly\n"
" readwrite\n"
- " noackwrite <path> <flags> <value>...\n"
+ " noackwrite <path> <value>...\n"
" readack\n"
" dump\n");
}
@@ -348,47 +348,22 @@
output("%.*s\n", len, value);
}
-static void do_write(unsigned int handle, char *path, char *flags, char *data)
-{
- int f;
-
- if (streq(flags, "none"))
- f = 0;
- else if (streq(flags, "create"))
- f = O_CREAT;
- else if (streq(flags, "excl"))
- f = O_CREAT | O_EXCL;
- else if (streq(flags, "crap"))
- f = 100;
- else
- barf("write flags 'none', 'create' or 'excl' only");
-
- if (!xs_write(handles[handle], path, data, strlen(data), f))
+static void do_write(unsigned int handle, char *path, char *data)
+{
+ if (!xs_write(handles[handle], path, data, strlen(data)))
failed(handle);
}
static void do_noackwrite(unsigned int handle,
- char *path, const char *flags, char *data)
+ char *path, char *data)
{
struct xsd_sockmsg msg;
- /* Format: Flags (as string), path, data. */
- if (streq(flags, "none"))
- flags = XS_WRITE_NONE;
- else if (streq(flags, "create"))
- flags = XS_WRITE_CREATE;
- else if (streq(flags, "excl"))
- flags = XS_WRITE_CREATE_EXCL;
- else
- barf("noackwrite flags 'none', 'create' or 'excl' only");
-
- msg.len = strlen(path) + 1 + strlen(flags) + 1 + strlen(data);
+ msg.len = strlen(path) + 1 + strlen(data);
msg.type = XS_WRITE;
if (!write_all_choice(handles[handle]->fd, &msg, sizeof(msg)))
failed(handle);
if (!write_all_choice(handles[handle]->fd, path, strlen(path) + 1))
- failed(handle);
- if (!write_all_choice(handles[handle]->fd, flags, strlen(flags) + 1))
failed(handle);
if (!write_all_choice(handles[handle]->fd, data, strlen(data)))
failed(handle);
@@ -778,8 +753,7 @@
else if (streq(command, "read"))
do_read(handle, arg(line, 1));
else if (streq(command, "write"))
- do_write(handle,
- arg(line, 1), arg(line, 2), arg(line, 3));
+ do_write(handle, arg(line, 1), arg(line, 2));
else if (streq(command, "setid"))
do_setid(handle, arg(line, 1));
else if (streq(command, "mkdir"))
@@ -832,7 +806,7 @@
xs_daemon_close(handles[handle]);
handles[handle] = NULL;
} else if (streq(command, "noackwrite"))
- do_noackwrite(handle, arg(line,1), arg(line,2), arg(line,3));
+ do_noackwrite(handle, arg(line,1), arg(line,2));
else if (streq(command, "readack"))
do_readack(handle);
else
--
A bad analogy is like a leaky screwdriver -- Richard Braakman
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