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#!/usr/bin/env python3
#
# Tests for fdsets and getfd.
#
# Copyright (C) 2012 IBM Corp.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import os
import iotests
from iotests import qemu_img
image0 = os.path.join(iotests.test_dir, 'image0')
image1 = os.path.join(iotests.test_dir, 'image1')
image2 = os.path.join(iotests.test_dir, 'image2')
image3 = os.path.join(iotests.test_dir, 'image3')
image4 = os.path.join(iotests.test_dir, 'image4')
class TestFdSets(iotests.QMPTestCase):
def setUp(self):
self.vm = iotests.VM()
qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
qemu_img('create', '-f', iotests.imgfmt, image1, '128K')
qemu_img('create', '-f', iotests.imgfmt, image2, '128K')
qemu_img('create', '-f', iotests.imgfmt, image3, '128K')
qemu_img('create', '-f', iotests.imgfmt, image4, '128K')
self.file0 = open(image0, 'r')
self.file1 = open(image1, 'w+')
self.file2 = open(image2, 'r')
self.file3 = open(image3, 'r')
self.file4 = open(image4, 'r')
self.vm.add_fd(self.file0.fileno(), 1, 'image0:r')
self.vm.add_fd(self.file1.fileno(), 1, 'image1:w+')
self.vm.add_fd(self.file2.fileno(), 0, 'image2:r')
self.vm.add_fd(self.file3.fileno(), 2, 'image3:r')
self.vm.add_fd(self.file4.fileno(), 2, 'image4:r')
self.vm.add_drive("/dev/fdset/1")
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
self.file0.close()
self.file1.close()
self.file2.close()
self.file3.close()
self.file4.close()
os.remove(image0)
os.remove(image1)
os.remove(image2)
os.remove(image3)
os.remove(image4)
def test_query_fdset(self):
result = self.vm.qmp('query-fdsets')
self.assert_qmp(result, 'return[0]/fdset-id', 2)
self.assert_qmp(result, 'return[1]/fdset-id', 1)
self.assert_qmp(result, 'return[2]/fdset-id', 0)
self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image3:r')
self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image4:r')
self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
self.vm.shutdown()
def test_remove_fdset(self):
result = self.vm.qmp('remove-fd', fdset_id=2)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-fdsets')
self.assert_qmp(result, 'return[0]/fdset-id', 1)
self.assert_qmp(result, 'return[1]/fdset-id', 0)
self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image0:r')
self.assert_qmp(result, 'return[0]/fds[1]/opaque', 'image1:w+')
self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image2:r')
self.vm.shutdown()
def test_remove_fd(self):
result = self.vm.qmp('query-fdsets')
fd_image3 = result['return'][0]['fds'][0]['fd']
result = self.vm.qmp('remove-fd', fdset_id=2, fd=fd_image3)
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('query-fdsets')
self.assert_qmp(result, 'return[0]/fdset-id', 2)
self.assert_qmp(result, 'return[1]/fdset-id', 1)
self.assert_qmp(result, 'return[2]/fdset-id', 0)
self.assert_qmp(result, 'return[0]/fds[0]/opaque', 'image4:r')
self.assert_qmp(result, 'return[1]/fds[0]/opaque', 'image0:r')
self.assert_qmp(result, 'return[1]/fds[1]/opaque', 'image1:w+')
self.assert_qmp(result, 'return[2]/fds[0]/opaque', 'image2:r')
self.vm.shutdown()
def test_remove_fd_invalid_fdset(self):
result = self.vm.qmp('query-fdsets')
fd_image3 = result['return'][0]['fds'][0]['fd']
result = self.vm.qmp('remove-fd', fdset_id=3, fd=fd_image3)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_qmp(result, 'error/desc',
'File descriptor named \'fdset-id:3, fd:%d\' not found' % fd_image3)
self.vm.shutdown()
def test_remove_fd_invalid_fd(self):
result = self.vm.qmp('query-fdsets')
result = self.vm.qmp('remove-fd', fdset_id=2, fd=999)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_qmp(result, 'error/desc',
'File descriptor named \'fdset-id:2, fd:999\' not found')
self.vm.shutdown()
def test_add_fd_invalid_fd(self):
result = self.vm.qmp('add-fd', fdset_id=2)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_qmp(result, 'error/desc',
'No file descriptor supplied via SCM_RIGHTS')
self.vm.shutdown()
# Add fd at runtime, there are two ways: monitor related or fdset related
class TestSCMFd(iotests.QMPTestCase):
def setUp(self):
self.vm = iotests.VM()
qemu_img('create', '-f', iotests.imgfmt, image0, '128K')
# Add an unused monitor, to verify it works fine when two monitor
# instances present
self.vm.add_monitor_null()
self.vm.launch()
def tearDown(self):
self.vm.shutdown()
os.remove(image0)
def _send_fd_by_SCM(self):
ret = self.vm.send_fd_scm(file_path=image0)
self.assertEqual(ret, 0, 'Failed to send fd with UNIX SCM')
def test_add_fd(self):
self._send_fd_by_SCM()
result = self.vm.qmp('add-fd', fdset_id=2, opaque='image0:r')
self.assert_qmp(result, 'return/fdset-id', 2)
def test_getfd(self):
self._send_fd_by_SCM()
result = self.vm.qmp('getfd', fdname='image0:r')
self.assert_qmp(result, 'return', {})
def test_getfd_invalid_fdname(self):
self._send_fd_by_SCM()
result = self.vm.qmp('getfd', fdname='0image0:r')
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_qmp(result, 'error/desc',
"Parameter 'fdname' expects a name not starting with a digit")
def test_closefd(self):
self._send_fd_by_SCM()
result = self.vm.qmp('getfd', fdname='image0:r')
self.assert_qmp(result, 'return', {})
result = self.vm.qmp('closefd', fdname='image0:r')
self.assert_qmp(result, 'return', {})
def test_closefd_fd_not_found(self):
fdname = 'image0:r'
result = self.vm.qmp('closefd', fdname=fdname)
self.assert_qmp(result, 'error/class', 'GenericError')
self.assert_qmp(result, 'error/desc',
"File descriptor named '%s' not found" % fdname)
if __name__ == '__main__':
iotests.main(supported_fmts=['raw'],
supported_protocols=['file'])
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