def __init__(self, filename):
fileformat = []
if filename.startswith("-f raw "):
filename = filename[7:]
fileformat = ['-f', 'raw']
self._filename = filename
self._offset = 0
self._buf = None
self._closed = True
nbd_port = randint(10809, 20809)
self._process = subprocess.Popen(
["qemu-nbd", "-b", "127.0.0.1", "-p",
str(nbd_port)] + fileformat + [filename],
shell=False,
stdout=_devnull)
# wait for qemu-nbd to start: this thing doesn't tell anything on stdout
while True:
try:
self._client = nbd_client("127.0.0.1", nbd_port)
break
except:
if self._process.poll() != None:
raise Exception('Qemu terminated with exit code %d' %
self._process.returncode)
time.sleep(0.1)
self._closed = False
def __init__(self, filename):
self._filename = filename
self._offset = 0
self._buf = None
self._closed = True
self._process = subprocess.Popen("qemu-nbd %s" % filename,
shell=True, stdout=_devnull)
# wait for qemu-nbd to start: this thing doesn't tell anything on stdout
while True:
try:
self._client = nbd_client("localhost")
break
except:
if self._process.poll() != None:
raise Exception('Qemu terminated with exit code %d' % self._process.returncode)
time.sleep(0.1)
self._closed = False
def __init__(self, filename):
self._filename = filename
self._offset = 0
self._buf = None
self._process = subprocess.Popen("qemu-nbd %s" % filename,
shell = True, stdout=subprocess.PIPE)
# wait for qemu-nbd to start: this thing doesn't tell anything on stdout
while True:
succeed = True
try:
self._client = nbd_client("localhost")
except:
time.sleep(0.1)
succeed = False
pass
if succeed:
break
self._closed = False
def __init__(self, filename):
fileformat = []
if filename.startswith("-f raw "):
filename = filename[7:]
fileformat = ['-f', 'raw']
self._filename = filename
self._offset = 0
self._buf = None
self._closed = True
nbd_port = randint(10809, 20809)
self._process = subprocess.Popen(["qemu-nbd", "-b", "127.0.0.1", "-p", str(nbd_port)] + fileformat + [filename], shell=False, stdout=_devnull)
# wait for qemu-nbd to start: this thing doesn't tell anything on stdout
while True:
try:
self._client = nbd_client("127.0.0.1", nbd_port)
break
except:
if self._process.poll() != None:
raise Exception('Qemu terminated with exit code %d' % self._process.returncode)
time.sleep(0.1)
self._closed = False
