mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-25 12:40:08 +00:00
4d9342977a
No actual code changes, just few pylint/style fixes. Signed-off-by: Lukáš Doktor <ldoktor@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-Id: <20170818142613.32394-11-ldoktor@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
110 lines
3.1 KiB
Python
110 lines
3.1 KiB
Python
# QEMU qtest library
|
|
#
|
|
# Copyright (C) 2015 Red Hat Inc.
|
|
#
|
|
# Authors:
|
|
# Fam Zheng <famz@redhat.com>
|
|
#
|
|
# This work is licensed under the terms of the GNU GPL, version 2. See
|
|
# the COPYING file in the top-level directory.
|
|
#
|
|
# Based on qmp.py.
|
|
#
|
|
|
|
import socket
|
|
import os
|
|
import qemu
|
|
|
|
|
|
class QEMUQtestProtocol(object):
|
|
def __init__(self, address, server=False):
|
|
"""
|
|
Create a QEMUQtestProtocol object.
|
|
|
|
@param address: QEMU address, can be either a unix socket path (string)
|
|
or a tuple in the form ( address, port ) for a TCP
|
|
connection
|
|
@param server: server mode, listens on the socket (bool)
|
|
@raise socket.error on socket connection errors
|
|
@note No connection is established, this is done by the connect() or
|
|
accept() methods
|
|
"""
|
|
self._address = address
|
|
self._sock = self._get_sock()
|
|
if server:
|
|
self._sock.bind(self._address)
|
|
self._sock.listen(1)
|
|
|
|
def _get_sock(self):
|
|
if isinstance(self._address, tuple):
|
|
family = socket.AF_INET
|
|
else:
|
|
family = socket.AF_UNIX
|
|
return socket.socket(family, socket.SOCK_STREAM)
|
|
|
|
def connect(self):
|
|
"""
|
|
Connect to the qtest socket.
|
|
|
|
@raise socket.error on socket connection errors
|
|
"""
|
|
self._sock.connect(self._address)
|
|
|
|
def accept(self):
|
|
"""
|
|
Await connection from QEMU.
|
|
|
|
@raise socket.error on socket connection errors
|
|
"""
|
|
self._sock, _ = self._sock.accept()
|
|
|
|
def cmd(self, qtest_cmd):
|
|
"""
|
|
Send a qtest command on the wire.
|
|
|
|
@param qtest_cmd: qtest command text to be sent
|
|
"""
|
|
self._sock.sendall(qtest_cmd + "\n")
|
|
|
|
def close(self):
|
|
self._sock.close()
|
|
|
|
def settimeout(self, timeout):
|
|
self._sock.settimeout(timeout)
|
|
|
|
|
|
class QEMUQtestMachine(qemu.QEMUMachine):
|
|
'''A QEMU VM'''
|
|
|
|
def __init__(self, binary, args=None, name=None, test_dir="/var/tmp",
|
|
socket_scm_helper=None):
|
|
if name is None:
|
|
name = "qemu-%d" % os.getpid()
|
|
super(QEMUQtestMachine,
|
|
self).__init__(binary, args, name=name, test_dir=test_dir,
|
|
socket_scm_helper=socket_scm_helper)
|
|
self._qtest = None
|
|
self._qtest_path = os.path.join(test_dir, name + "-qtest.sock")
|
|
|
|
def _base_args(self):
|
|
args = super(QEMUQtestMachine, self)._base_args()
|
|
args.extend(['-qtest', 'unix:path=' + self._qtest_path,
|
|
'-machine', 'accel=qtest'])
|
|
return args
|
|
|
|
def _pre_launch(self):
|
|
super(QEMUQtestMachine, self)._pre_launch()
|
|
self._qtest = QEMUQtestProtocol(self._qtest_path, server=True)
|
|
|
|
def _post_launch(self):
|
|
super(QEMUQtestMachine, self)._post_launch()
|
|
self._qtest.accept()
|
|
|
|
def _post_shutdown(self):
|
|
super(QEMUQtestMachine, self)._post_shutdown()
|
|
self._remove_if_exists(self._qtest_path)
|
|
|
|
def qtest(self, cmd):
|
|
'''Send a qtest command to guest'''
|
|
return self._qtest.cmd(cmd)
|