xref: /openbmc/qemu/tests/qemu-iotests/045 (revision 750541c4)
1#!/usr/bin/env python
2#
3# Tests for fdsets and getfd.
4#
5# Copyright (C) 2012 IBM Corp.
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19#
20
21import os
22import iotests
23from iotests import qemu_img
24
25image0 = os.path.join(iotests.test_dir, 'image0')
26image1 = os.path.join(iotests.test_dir, 'image1')
27image2 = os.path.join(iotests.test_dir, 'image2')
28image3 = os.path.join(iotests.test_dir, 'image3')
29image4 = os.path.join(iotests.test_dir, 'image4')
30
31class TestFdSets(iotests.QMPTestCase):
32
33    def setUp(self):
34        self.vm = iotests.VM()
35        qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
36        qemu_img('create', '-f', iotests.imgfmt, image1, '128K')
37        qemu_img('create', '-f', iotests.imgfmt, image2, '128K')
38        qemu_img('create', '-f', iotests.imgfmt, image3, '128K')
39        qemu_img('create', '-f', iotests.imgfmt, image4, '128K')
40        self.file0 = open(image0, 'r')
41        self.file1 = open(image1, 'w+')
42        self.file2 = open(image2, 'r')
43        self.file3 = open(image3, 'r')
44        self.file4 = open(image4, 'r')
45        self.vm.add_fd(self.file0.fileno(), 1, 'image0:r')
46        self.vm.add_fd(self.file1.fileno(), 1, 'image1:w+')
47        self.vm.add_fd(self.file2.fileno(), 0, 'image2:r')
48        self.vm.add_fd(self.file3.fileno(), 2, 'image3:r')
49        self.vm.add_fd(self.file4.fileno(), 2, 'image4:r')
50        self.vm.add_drive("/dev/fdset/1")
51        self.vm.launch()
52
53    def tearDown(self):
54        self.vm.shutdown()
55        self.file0.close()
56        self.file1.close()
57        self.file2.close()
58        self.file3.close()
59        self.file4.close()
60        os.remove(image0)
61        os.remove(image1)
62        os.remove(image2)
63        os.remove(image3)
64        os.remove(image4)
65
66    def test_query_fdset(self):
67        result = self.vm.qmp('query-fdsets')
68        self.assert_qmp(result, 'return[0]/fdset-id', 2)
69        self.assert_qmp(result, 'return[1]/fdset-id', 1)
70        self.assert_qmp(result, 'return[2]/fdset-id', 0)
71        self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image3:r')
72        self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image4:r')
73        self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
74        self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
75        self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
76        self.vm.shutdown()
77
78    def test_remove_fdset(self):
79        result = self.vm.qmp('remove-fd', fdset_id=2)
80        self.assert_qmp(result, 'return', {})
81        result = self.vm.qmp('query-fdsets')
82        self.assert_qmp(result, 'return[0]/fdset-id', 1)
83        self.assert_qmp(result, 'return[1]/fdset-id', 0)
84        self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image0:r')
85        self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image1:w+')
86        self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image2:r')
87        self.vm.shutdown()
88
89    def test_remove_fd(self):
90        result = self.vm.qmp('query-fdsets')
91        fd_image3 = result['return'][0]['fds'][0]['fd']
92        result = self.vm.qmp('remove-fd', fdset_id=2, fd=fd_image3)
93        self.assert_qmp(result, 'return', {})
94        result = self.vm.qmp('query-fdsets')
95        self.assert_qmp(result, 'return[0]/fdset-id', 2)
96        self.assert_qmp(result, 'return[1]/fdset-id', 1)
97        self.assert_qmp(result, 'return[2]/fdset-id', 0)
98        self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image4:r')
99        self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
100        self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
101        self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
102        self.vm.shutdown()
103
104    def test_remove_fd_invalid_fdset(self):
105        result = self.vm.qmp('query-fdsets')
106        fd_image3 = result['return'][0]['fds'][0]['fd']
107        result = self.vm.qmp('remove-fd', fdset_id=3, fd=fd_image3)
108        self.assert_qmp(result, 'error/class', 'GenericError')
109        self.assert_qmp(result, 'error/desc',
110            'File descriptor named \'fdset-id:3, fd:%d\' not found' % fd_image3)
111        self.vm.shutdown()
112
113    def test_remove_fd_invalid_fd(self):
114        result = self.vm.qmp('query-fdsets')
115        result = self.vm.qmp('remove-fd', fdset_id=2, fd=999)
116        self.assert_qmp(result, 'error/class', 'GenericError')
117        self.assert_qmp(result, 'error/desc',
118            'File descriptor named \'fdset-id:2, fd:999\' not found')
119        self.vm.shutdown()
120
121    def test_add_fd_invalid_fd(self):
122        result = self.vm.qmp('add-fd', fdset_id=2)
123        self.assert_qmp(result, 'error/class', 'GenericError')
124        self.assert_qmp(result, 'error/desc',
125                'No file descriptor supplied via SCM_RIGHTS')
126        self.vm.shutdown()
127
128# Add fd at runtime, there are two ways: monitor related or fdset related
129class TestSCMFd(iotests.QMPTestCase):
130    def setUp(self):
131        self.vm = iotests.VM()
132        qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
133        # Add an unused monitor, to verify it works fine when two monitor
134        # instances present
135        self.vm.add_monitor_null()
136        self.vm.launch()
137
138    def tearDown(self):
139        self.vm.shutdown()
140        os.remove(image0)
141
142    def _send_fd_by_SCM(self):
143        ret = self.vm.send_fd_scm(file_path=image0)
144        self.assertEqual(ret, 0, 'Failed to send fd with UNIX SCM')
145
146    def test_add_fd(self):
147        self._send_fd_by_SCM()
148        result = self.vm.qmp('add-fd', fdset_id=2, opaque='image0:r')
149        self.assert_qmp(result, 'return/fdset-id', 2)
150
151    def test_getfd(self):
152        self._send_fd_by_SCM()
153        result = self.vm.qmp('getfd', fdname='image0:r')
154        self.assert_qmp(result, 'return', {})
155
156    def test_getfd_invalid_fdname(self):
157        self._send_fd_by_SCM()
158        result = self.vm.qmp('getfd', fdname='0image0:r')
159        self.assert_qmp(result, 'error/class', 'GenericError')
160        self.assert_qmp(result, 'error/desc',
161            "Parameter 'fdname' expects a name not starting with a digit")
162
163    def test_closefd(self):
164        self._send_fd_by_SCM()
165        result = self.vm.qmp('getfd', fdname='image0:r')
166        self.assert_qmp(result, 'return', {})
167        result = self.vm.qmp('closefd', fdname='image0:r')
168        self.assert_qmp(result, 'return', {})
169
170    def test_closefd_fd_not_found(self):
171        fdname = 'image0:r'
172        result = self.vm.qmp('closefd', fdname=fdname)
173        self.assert_qmp(result, 'error/class', 'GenericError')
174        self.assert_qmp(result, 'error/desc',
175            "File descriptor named '%s' not found" % fdname)
176
177if __name__ == '__main__':
178    iotests.main(supported_fmts=['raw'])
179