selftest: ndr_pack/unpack performance test

This just does a lot of packing and unpacking of various structures.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

1 files changed, 227 insertions, 0 deletions

diff --git a/source4/dsdb/tests/python/ndr_pack_performance.py b/source4/dsdb/tests/python/ndr_pack_performance.py
new file mode 100644
index 00000000000..9ce0d4c32bf
--- /dev/null
+++ b/source4/dsdb/tests/python/ndr_pack_performance.py
@@ -0,0 +1,227 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import optparse
+import sys
+sys.path.insert(0, 'bin/python')
+
+import os
+import samba
+import samba.getopt as options
+import random
+import tempfile
+import shutil
+import time
+import gzip
+
+from samba.netcmd.main import cmd_sambatool
+
+# We try to use the test infrastructure of Samba 4.3+, but if it
+# doesn't work, we are probably in a back-ported patch and trying to
+# run on 4.1 or something.
+#
+# Don't copy this horror into ordinary tests -- it is special for
+# performance tests that want to apply to old versions.
+try:
+    from samba.tests.subunitrun import SubunitOptions, TestProgram
+    ANCIENT_SAMBA = False
+except ImportError:
+    ANCIENT_SAMBA = True
+    samba.ensure_external_module("testtools", "testtools")
+    samba.ensure_external_module("subunit", "subunit/python")
+    from subunit.run import SubunitTestRunner
+    import unittest
+
+from samba.samdb import SamDB
+from samba.auth import system_session
+
+from samba.ndr import ndr_pack, ndr_unpack
+from samba.dcerpc import security
+from samba.dcerpc import drsuapi
+
+parser = optparse.OptionParser("ndr_pack_performance.py [options] <host>")
+sambaopts = options.SambaOptions(parser)
+parser.add_option_group(sambaopts)
+parser.add_option_group(options.VersionOptions(parser))
+
+if not ANCIENT_SAMBA:
+    subunitopts = SubunitOptions(parser)
+    parser.add_option_group(subunitopts)
+
+# use command line creds if available
+credopts = options.CredentialsOptions(parser)
+parser.add_option_group(credopts)
+opts, args = parser.parse_args()
+
+if len(args) < 1:
+    parser.print_usage()
+    sys.exit(1)
+
+host = args[0]
+
+lp = sambaopts.get_loadparm()
+creds = credopts.get_credentials(lp)
+
+random.seed(1)
+
+
+BIG_SD_SDDL = ''.join(
+"""O:S-1-5-21-3328325300-3937145445-4190589019-512G:S-1-5-2
+1-3328325300-3937145445-4190589019-512D:AI(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;S-
+1-5-21-3328325300-3937145445-4190589019-512)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;
+SY)(A;;RPLCLORC;;;AU)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;AO)(A;;RPLCLORC;;;PS)(O
+A;;CR;ab721a55-1e2f-11d0-9819-00aa0040529b;;AU)(OA;;RP;46a9b11d-60ae-405a-b7e
+8-ff8a58d456d2;;S-1-5-32-560)(OA;CIIOID;RP;4c164200-20c0-11d0-a768-00aa006e05
+29;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;4c164200-20c0-11d0-a
+768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;5f2020
+10-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CI
+IOID;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa0030
+49e2;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc
+-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;bf96
+7aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;59ba2f42-79a2-11d0-9020-00c
+04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;59ba2f42-79a2
+-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP
+;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU
+)(OA;CIIOID;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0de6-11d0-a285-0
+0aa003049e2;RU)(OA;CIIOID;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a86-0d
+e6-11d0-a285-00aa003049e2;ED)(OA;CIID;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608
+;bf967a9c-0de6-11d0-a285-00aa003049e2;ED)(OA;CIIOID;RP;b7c69e6d-2cc7-11d2-854
+e-00a0c983f608;bf967aba-0de6-11d0-a285-00aa003049e2;ED)(OA;CIIOID;RPLCLORC;;4
+828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIID;RPLCLORC;;bf967a9c-0de6-11d0-
+a285-00aa003049e2;RU)(OA;CIIOID;RPLCLORC;;bf967aba-0de6-11d0-a285-00aa003049e
+2;RU)(OA;CIID;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)(A;CIID;RPWPCRC
+CDCLCLORCWOWDSDDTSW;;;S-1-5-21-3328325300-3937145445-4190589019-519)(A;CIID;L
+C;;;RU)(A;CIID;RPWPCRCCLCLORCWOWDSDSW;;;BA)(OA;CIIOID;RP;4c164200-20c0-11d0-a
+768-00aa006e0529;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;4c1642
+00-20c0-11d0-a768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CI
+IOID;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e
+5f28;RU)(OA;CIIOID;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0
+-a285-00aa003049e2;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828
+cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c
+04fc2d4cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;59ba2f42-79a2
+-11d0-9020-00c04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP
+;59ba2f42-79a2-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU
+)(OA;CIIOID;RP;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-a
+d6f015e5f28;RU)(OA;CIIOID;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0d
+e6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f6
+08;bf967a86-0de6-11d0-a285-00aa003049e2;ED)(OA;CIID;RP;b7c69e6d-2cc7-11d2-854
+e-00a0c983f608;bf967a9c-0de6-11d0-a285-00aa003049e2;ED)(OA;CIIOID;RP;b7c69e6d
+-2cc7-11d2-854e-00a0c983f608;bf967aba-0de6-11d0-a285-00aa003049e2;ED)(OA;CIIO
+ID;RPLCLORC;;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIID;RPLCLORC;;bf967
+a9c-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RPLCLORC;;bf967aba-0de6-11d0-a2
+85-00aa003049e2;RU)(OA;CIID;RPWPCR;91e647de-d96f-4b70-9557-d63ff4f3ccd8;;PS)(
+A;CIID;RPWPCRCCDCLCLORCWOWDSDDTSW;;;S-1-5-21-3328325300-3937145445-4190589019
+-519)(A;CIID;LC;;;RU)(A;CIID;RPWPCRCCLCLORCWOWDSDSW;;;BA)S:AI(OU;CIIOIDSA;WP;
+f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)
+(OU;CIIOIDSA;WP;f30e3bbf-9ff0-11d1-b603-0000f80367c1;bf967aa5-0de6-11d0-a285-
+00aa003049e2;WD)(OU;CIIOIDSA;WP;f30e3bbe-9ff0-11d1-b603-0000f80367c1;bf967aa5
+-0de6-11d0-a285-00aa003049e2;WD)(OU;CIIOIDSA;WP;f30e3bbf-9ff0-11d1-b603-0000f
+80367c1;bf967aa5-0de6-11d0-a285-00aa003049e2;WD)""".split())
+
+LITTLE_SD_SDDL = ''.join(
+"""O:S-1-5-21-3328325300-3937145445-4190589019-512G:S-1-5-2
+1-3328325300-3937145445-4190589019-512D:AI(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;S-
+1-5-21-3328325300-3937145445-4190589019-512)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;
+SY)(A;;RPLCLORC;;;AU)(A;;RPWPCRCCDCLCLORCWOWDSDDTSW;;;AO)(A;;RPLCLORC;;;PS)(O
+A;;CR;ab721a55-1e2f-11d0-9819-00aa0040529b;;AU)(OA;;RP;46a9b11d-60ae-405a-b7e
+8-ff8a58d456d2;;S-1-5-32-560)(OA;CIIOID;RP;4c164200-20c0-11d0-a768-00aa006e05
+29;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;4c164200-20c0-11d0-a
+768-00aa006e0529;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;5f2020
+10-79a5-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CI
+IOID;RP;5f202010-79a5-11d0-9020-00c04fc2d4cf;bf967aba-0de6-11d0-a285-00aa0030
+49e2;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;4828cc14-1437-45bc
+-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;bc0ac240-79a9-11d0-9020-00c04fc2d4cf;bf96
+7aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP;59ba2f42-79a2-11d0-9020-00c
+04fc2d3cf;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU)(OA;CIIOID;RP;59ba2f42-79a2
+-11d0-9020-00c04fc2d3cf;bf967aba-0de6-11d0-a285-00aa003049e2;RU)(OA;CIIOID;RP
+;037088f8-0ae1-11d2-b422-00a0c968f939;4828cc14-1437-45bc-9b07-ad6f015e5f28;RU
+)(OA;CIIOID;RP;037088f8-0ae1-11d2-b422-00a0c968f939;bf967aba-0de6-11d0-a285-0
+0aa003049e2;RU)(OA;CIIOID;RP;b7c69e6d-2cc7-11d2-854e-00a0c983f608;bf967a86-0d
+e6-11d0-a285-00aa003049e2;ED)""".split())
+
+# set SCALE = 100 for normal test, or 1 for testing the test.
+SCALE = 100
+
+class UserTests(samba.tests.TestCase):
+
+    def get_file_blob(self, filename):
+        if filename.endswith('.gz'):
+            f = gzip.open(filename)
+        else:
+            f = open(filename)
+        return f.read()
+
+    def get_desc(self, sddl):
+        dummy_sid = security.dom_sid("S-2-0-0")
+        return security.descriptor.from_sddl(sddl, dummy_sid)
+
+    def get_blob(self, sddl):
+        return ndr_pack(self.get_desc(sddl))
+
+    def test_00_00_do_nothing(self):
+        # this gives us an idea of the overhead
+        pass
+
+    def _test_pack(self, unpacked, cycles=10000):
+        for i in range(SCALE * cycles):
+            ndr_pack(unpacked)
+
+    def _test_unpack(self, blob, cycles=10000, cls=security.descriptor):
+        for i in range(SCALE * cycles):
+            ndr_unpack(cls, blob)
+
+    def _test_pack_unpack(self, desc, cycles=5000, cls=security.descriptor):
+        blob2 = ndr_pack(desc)
+
+        for i in range(SCALE * cycles):
+            blob = ndr_pack(desc)
+            desc = ndr_unpack(cls, blob)
+
+        self.assertEqual(blob, blob2)
+
+    def test_pack_big_sd(self):
+        unpacked = self.get_desc(BIG_SD_SDDL)
+        self._test_pack(unpacked)
+
+    def test_unpack_big_sd(self):
+        blob = self.get_blob(BIG_SD_SDDL)
+        self._test_unpack(blob)
+
+    def test_pack_unpack_big_sd(self):
+        unpacked = self.get_desc(BIG_SD_SDDL)
+        self._test_pack_unpack(unpacked)
+
+    def test_pack_little_sd(self):
+        unpacked = self.get_desc(LITTLE_SD_SDDL)
+        self._test_pack(unpacked)
+
+    def test_unpack_little_sd(self):
+        blob = self.get_blob(LITTLE_SD_SDDL)
+        self._test_unpack(blob)
+
+    def test_pack_unpack_little_sd(self):
+        unpacked = self.get_desc(LITTLE_SD_SDDL)
+        self._test_pack_unpack(unpacked)
+
+    def test_unpack_repl_sample(self):
+        blob = self.get_file_blob('testdata/replication-ndrpack-example.gz')
+        self._test_unpack(blob, cycles=20, cls=drsuapi.DsGetNCChangesCtr6)
+
+    def test_pack_repl_sample(self):
+        blob = self.get_file_blob('testdata/replication-ndrpack-example.gz')
+        desc =  ndr_unpack(drsuapi.DsGetNCChangesCtr6, blob)
+        self._test_pack(desc, cycles=20)
+
+if "://" not in host:
+    if os.path.isfile(host):
+        host = "tdb://%s" % host
+    else:
+        host = "ldap://%s" % host
+
+
+if ANCIENT_SAMBA:
+    runner = SubunitTestRunner()
+    if not runner.run(unittest.makeSuite(UserTests)).wasSuccessful():
+        sys.exit(1)
+    sys.exit(0)
+else:
+    TestProgram(module=__name__, opts=subunitopts)