make tests pass on FreeBSD.. implement hostuuid for it...

Hard code stat results so that the tests pass on a different checkout
w/ different mtimes..

ui/medashare/cli.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+import stat
 import sys
 import logging
 
@@ -1686,7 +1687,31 @@ class _TestCases(unittest.TestCase):
 		self.assertEqual(ObjectStore.makehash('cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e', strict=False), 'sha512:cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e')
 		self.assertEqual(ObjectStore.makehash('e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855', strict=False), 'sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855')
 
-	def test_enumeratedir(self):
+	@staticmethod
+	def statmock(fname):
+		fname = pathlib.Path(fname)
+		fnameparts = fname.parts
+		subdiridx = fnameparts.index('subdir')
+
+		_stats = {
+			# repr on os.stat_result doesn't work
+			#  (mode, ino, dev, nlink, uid, gid, size, atime, mtime, ctime)
+
+			'test.txt': os.stat_result((stat.S_IROTH|stat.S_IRGRP|stat.S_IWUSR|stat.S_IRUSR|stat.S_IFREG, 10, 100, 1, 100, 100, 15, 1654166365, 1558388856.000000, 1663133775)),
+			'newfile.txt': os.stat_result((stat.S_IROTH|stat.S_IRGRP|stat.S_IWUSR|stat.S_IRUSR|stat.S_IFREG, 10, 100, 1, 100, 100, 19, 1659652579, 1658982768.041291, 1663133775)),
+			'sample.data.sqlite3': os.stat_result((stat.S_IROTH|stat.S_IRGRP|stat.S_IWUSR|stat.S_IRUSR|stat.S_IFREG, 10, 100, 1, 100, 100, 57344, 1663133777, 1663133777.529757, 1663133777)),
+			't': os.stat_result((stat.S_IFDIR, 0, 0, 0, 0, 0, 0, 0, 0, 0)),
+			'z.jpg': os.stat_result((stat.S_IROTH|stat.S_IRGRP|stat.S_IWUSR|stat.S_IRUSR|stat.S_IFREG, 10, 100, 1, 100, 100, 332, 1661553878, 1661551130.361235, 1663134325)),
+
+		}
+
+		subpath = '/'.join(fnameparts[subdiridx + 1:])
+		return _stats[subpath]
+
+	@mock.patch('os.stat')
+	def test_enumeratedir(self, statmock):
+		statmock.side_effect = self.statmock
+
 		files = enumeratedir(self.tempdir, self.created_by_ref)
 		ftest = [ x for x in files if x.filename == 'test.txt' ][0]
 		fname = 'test.txt'

ui/medashare/hostid.py

@@ -1,38 +1,81 @@
+import errno
 import uuid
+import sys
 
-from ctypes import CDLL, Structure, POINTER
-from ctypes import c_uint8, c_int, c_long, c_int64
+from ctypes import CDLL, Structure, POINTER, pointer
+from ctypes import c_char, c_uint8, c_int, c_long, c_int64, c_char_p
+from ctypes import c_void_p, c_size_t
 
-uuid_t = c_uint8 * 16
+__all__ = [ 'hostuuid']
 
 _clib = CDLL(None)
 
-__all__ = [ 'hostuuid']
+if False:
+	# XXX doesn't work on FreeBSD
+	errnov = c_int.in_dll(_clib, 'errno')
+
+	def raiseerrno():
+		v = errnov.value
+		raise OSError(v, errno.errorcode[v])
+
+if sys.platform == 'darwin':
+	uuid_t = c_uint8 * 16
+
+	class timespec(Structure):
+		_fields_ = [
+			('tv_sec', c_int64),
+			('tv_nsec', c_long),
+		]
+		pass
+
+	timespec_p = POINTER(timespec)
+
+	def hostuuid():
+		ts = timespec()
+		hid = uuid_t()
+
+		r = _clib.gethostuuid(hid, ts)
+
+		if r:
+			raise OSErrorException()
+
+		return uuid.UUID(bytes=bytes(hid))
 
-class timespec(Structure):
-	_fields_ = [
-		('tv_sec', c_int64),
-		('tv_nsec', c_long),
-	]
-	pass
+	for r, f, a in (
+		(c_int,	'gethostuuid',	(uuid_t, timespec_p)),
+	    ):
+		fun = getattr(_clib, f)
+		setattr(fun, 'restype', r)
+		setattr(fun, 'argtypes', a)
+		locals()[f] = fun
 
-timespec_p = POINTER(timespec)
+elif sys.platform.startswith('freebsd'):
+	def hostuuid():
+		uuidstr = (c_char * 37)()
+		uuidstrpointer = pointer(uuidstr)
+		oldsize = c_size_t(len(uuidstr))
 
-def hostuuid():
-	ts = timespec()
-	hid = uuid_t()
+		r = _clib.sysctlbyname('kern.hostuuid'.encode('us-ascii'),
+		    uuidstrpointer, pointer(oldsize), None, 0)
 
-	r = _clib.gethostuuid(hid, ts)
+		if r:
+			raise OSError()
 
-	if r:
-		raise OSErrorException()
+		v = uuid.UUID(uuidstr.value.decode('us-ascii'))
+		if v == uuid.UUID(int=0):
+			raise RuntimeError(
+			    'uuid from kern.hostuuid is all zeros')
 
-	return uuid.UUID(bytes=bytes(hid))
+		return v
 
-for r, f, a in (
-	(c_int,	'gethostuuid',	(uuid_t, timespec_p)),
-    ):
-	fun = getattr(_clib, f)
-	setattr(fun, 'restype', r)
-	setattr(fun, 'argtypes', a)
-	locals()[f] = fun
+	for r, f, a in (
+		(c_int,	'sysctlbyname',	(c_char_p, c_void_p, POINTER(c_size_t),
+		 c_void_p, c_size_t)),
+	    ):
+		fun = getattr(_clib, f)
+		setattr(fun, 'restype', r)
+		setattr(fun, 'argtypes', a)
+		locals()[f] = fun
+else:
+	raise RuntimeError('no hostuuid defined for platform: %s' %
+	    repr(sys.platform))