tests/qemu-iotests/045

   1 #!/usr/bin/env python3
   2 # group: rw quick
   3 #
   4 # Tests for fdsets and getfd.
   5 #
   6 # Copyright (C) 2012 IBM Corp.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 import os
  23 import iotests
  24 from iotests import qemu_img
  25
  26 image0 = os.path.join(iotests.test_dir, 'image0')
  27 image1 = os.path.join(iotests.test_dir, 'image1')
  28 image2 = os.path.join(iotests.test_dir, 'image2')
  29 image3 = os.path.join(iotests.test_dir, 'image3')
  30 image4 = os.path.join(iotests.test_dir, 'image4')
  31
  32 class TestFdSets(iotests.QMPTestCase):
  33
  34     def setUp(self):
  35         self.vm = iotests.VM()
  36         qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
  37         qemu_img('create', '-f', iotests.imgfmt, image1, '128K')
  38         qemu_img('create', '-f', iotests.imgfmt, image2, '128K')
  39         qemu_img('create', '-f', iotests.imgfmt, image3, '128K')
  40         qemu_img('create', '-f', iotests.imgfmt, image4, '128K')
  41         self.file0 = open(image0, 'r')
  42         self.file1 = open(image1, 'w+')
  43         self.file2 = open(image2, 'r')
  44         self.file3 = open(image3, 'r')
  45         self.file4 = open(image4, 'r')
  46         self.vm.add_fd(self.file0.fileno(), 1, 'image0:r')
  47         self.vm.add_fd(self.file1.fileno(), 1, 'image1:w+')
  48         self.vm.add_fd(self.file2.fileno(), 0, 'image2:r')
  49         self.vm.add_fd(self.file3.fileno(), 2, 'image3:r')
  50         self.vm.add_fd(self.file4.fileno(), 2, 'image4:r')
  51         self.vm.add_drive("/dev/fdset/1")
  52         self.vm.launch()
  53
  54     def tearDown(self):
  55         self.vm.shutdown()
  56         self.file0.close()
  57         self.file1.close()
  58         self.file2.close()
  59         self.file3.close()
  60         self.file4.close()
  61         os.remove(image0)
  62         os.remove(image1)
  63         os.remove(image2)
  64         os.remove(image3)
  65         os.remove(image4)
  66
  67     def test_query_fdset(self):
  68         result = self.vm.qmp('query-fdsets')
  69         self.assert_qmp(result, 'return[0]/fdset-id', 2)
  70         self.assert_qmp(result, 'return[1]/fdset-id', 1)
  71         self.assert_qmp(result, 'return[2]/fdset-id', 0)
  72         self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image3:r')
  73         self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image4:r')
  74         self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
  75         self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
  76         self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
  77         self.vm.shutdown()
  78
  79     def test_remove_fdset(self):
  80         result = self.vm.qmp('remove-fd', fdset_id=2)
  81         self.assert_qmp(result, 'return', {})
  82         result = self.vm.qmp('query-fdsets')
  83         self.assert_qmp(result, 'return[0]/fdset-id', 1)
  84         self.assert_qmp(result, 'return[1]/fdset-id', 0)
  85         self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image0:r')
  86         self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image1:w+')
  87         self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image2:r')
  88         self.vm.shutdown()
  89
  90     def test_remove_fd(self):
  91         result = self.vm.qmp('query-fdsets')
  92         fd_image3 = result['return'][0]['fds'][0]['fd']
  93         result = self.vm.qmp('remove-fd', fdset_id=2, fd=fd_image3)
  94         self.assert_qmp(result, 'return', {})
  95         result = self.vm.qmp('query-fdsets')
  96         self.assert_qmp(result, 'return[0]/fdset-id', 2)
  97         self.assert_qmp(result, 'return[1]/fdset-id', 1)
  98         self.assert_qmp(result, 'return[2]/fdset-id', 0)
  99         self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image4:r')
 100         self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
 101         self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
 102         self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
 103         self.vm.shutdown()
 104
 105     def test_remove_fd_invalid_fdset(self):
 106         result = self.vm.qmp('query-fdsets')
 107         fd_image3 = result['return'][0]['fds'][0]['fd']
 108         result = self.vm.qmp('remove-fd', fdset_id=3, fd=fd_image3)
 109         self.assert_qmp(result, 'error/class', 'GenericError')
 110         self.assert_qmp(result, 'error/desc',
 111             'File descriptor named \'fdset-id:3, fd:%d\' not found' % fd_image3)
 112         self.vm.shutdown()
 113
 114     def test_remove_fd_invalid_fd(self):
 115         result = self.vm.qmp('query-fdsets')
 116         result = self.vm.qmp('remove-fd', fdset_id=2, fd=999)
 117         self.assert_qmp(result, 'error/class', 'GenericError')
 118         self.assert_qmp(result, 'error/desc',
 119             'File descriptor named \'fdset-id:2, fd:999\' not found')
 120         self.vm.shutdown()
 121
 122     def test_add_fd_invalid_fd(self):
 123         result = self.vm.qmp('add-fd', fdset_id=2)
 124         self.assert_qmp(result, 'error/class', 'GenericError')
 125         self.assert_qmp(result, 'error/desc',
 126                 'No file descriptor supplied via SCM_RIGHTS')
 127         self.vm.shutdown()
 128
 129 # Add fd at runtime, there are two ways: monitor related or fdset related
 130 class TestSCMFd(iotests.QMPTestCase):
 131     def setUp(self):
 132         self.vm = iotests.VM()
 133         qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
 134         # Add an unused monitor, to verify it works fine when two monitor
 135         # instances present
 136         self.vm.add_monitor_null()
 137         self.vm.launch()
 138
 139     def tearDown(self):
 140         self.vm.shutdown()
 141         os.remove(image0)
 142
 143     def _send_fd_by_SCM(self):
 144         ret = self.vm.send_fd_scm(file_path=image0)
 145         self.assertEqual(ret, 0, 'Failed to send fd with UNIX SCM')
 146
 147     def test_add_fd(self):
 148         self._send_fd_by_SCM()
 149         result = self.vm.qmp('add-fd', fdset_id=2, opaque='image0:r')
 150         self.assert_qmp(result, 'return/fdset-id', 2)
 151
 152     def test_getfd(self):
 153         self._send_fd_by_SCM()
 154         result = self.vm.qmp('getfd', fdname='image0:r')
 155         self.assert_qmp(result, 'return', {})
 156
 157     def test_getfd_invalid_fdname(self):
 158         self._send_fd_by_SCM()
 159         result = self.vm.qmp('getfd', fdname='0image0:r')
 160         self.assert_qmp(result, 'error/class', 'GenericError')
 161         self.assert_qmp(result, 'error/desc',
 162             "Parameter 'fdname' expects a name not starting with a digit")
 163
 164     def test_closefd(self):
 165         self._send_fd_by_SCM()
 166         result = self.vm.qmp('getfd', fdname='image0:r')
 167         self.assert_qmp(result, 'return', {})
 168         result = self.vm.qmp('closefd', fdname='image0:r')
 169         self.assert_qmp(result, 'return', {})
 170
 171     def test_closefd_fd_not_found(self):
 172         fdname = 'image0:r'
 173         result = self.vm.qmp('closefd', fdname=fdname)
 174         self.assert_qmp(result, 'error/class', 'GenericError')
 175         self.assert_qmp(result, 'error/desc',
 176             "File descriptor named '%s' not found" % fdname)
 177
 178 if __name__ == '__main__':
 179     iotests.main(supported_fmts=['raw'],
 180                  supported_protocols=['file'])