def waitpid(self, pid, option=0):
try:
proc = self._procs[pid]
except KeyError:
logging.warning("Wait on unmanaged process (pid: %s)." % pid)
cmdline = ProcStat(pid).cmdline
pid, sts = os.waitpid(pid, option)
return ExitStatus(cmdline, sts)
return self.waitproc(proc)
def waitpid(self, pid, option=0):
try:
proc = self._procs[pid]
except KeyError:
logging.warning("Wait on unmanaged process (pid: %s)." % pid)
cmdline = ProcStat(pid).cmdline
pid, sts = os.waitpid(pid, option)
return ExitStatus(cmdline, sts)
return self.waitproc(proc)
def _suboption(self):
subopt = self.sbdataq
self.sbdataq = ''
if len(subopt) != 3:
logging.error("Bad suboption recieved: {!r}".format(subopt))
return
if subopt[0] == COM_PORT_OPTION:
comopt = subopt[1]
if comopt == RESP_NOTIFY_LINESTATE:
value = subopt[2]
self._linestate = LineState(subopt[2])
elif comopt == RESP_NOTIFY_MODEMSTATE:
self._modemstate = ModemState(subopt[2])
elif comopt == RESP_FLOWCONTROL_SUSPEND:
self._suspended = True
logging.warning("Telnet: requested to suspend tx.")
elif comopt == RESP_FLOWCONTROL_RESUME:
self._suspended = False
logging.warning("Telnet: requested to resume tx.")
else:
logging.warning("Telnet: unhandled COM opton: {}".format(
repr(subopt)))
else:
logging.warning("Telnet: unhandled subnegotion: {}".format(
repr(subopt)))
def _process_rawq(self):
buf = ['', ''] # data buffer and SB buffer
try:
while self._rawq:
c = self._rawq_getchar()
if not self.iacseq:
if c == NULL:
continue
if c == "\021":
continue
if c != IAC:
buf[self.sb] += c
continue
else:
self.iacseq += c
elif len(self.iacseq) == 1:
if c in (DO, DONT, WILL, WONT):
self.iacseq += c
continue
self.iacseq = ''
if c == IAC:
buf[self.sb] += c
else:
if c == SB: # SB ... SE start.
self.sb = 1
self.sbdataq = ''
elif c == SE:
self.sb = 0
self.sbdataq += buf[1]
buf[1] = ''
self._suboption()
else:
logging.warning(
'Telnet: IAC {!r} not recognized'.format(c))
elif len(self.iacseq) == 2:
cmd = self.iacseq[1]
self.iacseq = ''
if cmd in (DO, DONT, WILL, WONT):
self._neg_option(cmd, c)
else:
logging.error("telnet bad command: {!r}".format(cmd))
except EOFError:
self.iacseq = '' # Reset on EOF
self.sb = 0
self._q += buf[0]
self.sbdataq += buf[1]
def _process_rawq(self):
buf = ['', ''] # data buffer and SB buffer
try:
while self._rawq:
c = self._rawq_getchar()
if not self.iacseq:
if c == NULL:
continue
if c == "\021":
continue
if c != IAC:
buf[self.sb] += c
continue
else:
self.iacseq += c
elif len(self.iacseq) == 1:
if c in (DO, DONT, WILL, WONT):
self.iacseq += c
continue
self.iacseq = ''
if c == IAC:
buf[self.sb] += c
else:
if c == SB: # SB ... SE start.
self.sb = 1
self.sbdataq = ''
elif c == SE:
self.sb = 0
self.sbdataq += buf[1]
buf[1] = ''
self._suboption()
else:
logging.warning('Telnet: IAC {!r} not recognized'.format(c))
elif len(self.iacseq) == 2:
cmd = self.iacseq[1]
self.iacseq = ''
if cmd in (DO, DONT, WILL, WONT):
self._neg_option(cmd, c)
else:
logging.error("telnet bad command: {!r}".format(cmd))
except EOFError:
self.iacseq = '' # Reset on EOF
self.sb = 0
self._q += buf[0]
self.sbdataq += buf[1]
def _build_report(self, name):
from pycopia import reports # XXX pycopia-QA circular dependency.
if name is None:
name = self.get("reportname", "default")
if "," in name:
params = []
for n in name.split(","):
rptparams = self.reports.get(n, None)
if rptparams is None:
logging.warning("Reportname %r not found." % (n,))
continue
params.append(rptparams)
else:
params = self.reports.get(name, None)
if not params:
raise reports.ReportFindError("Report %r not found." % (name,))
if type(params) is list:
params = map(self.expand_params, params)
else:
params = self.expand_params(params)
return reports.get_report(params)
def _build_report(self, name):
from pycopia import reports # XXX pycopia-QA circular dependency.
if name is None:
name = self.get("reportname", "default")
if "," in name:
params = []
for n in name.split(","):
rptparams = self.reports.get(n, None)
if rptparams is None:
logging.warning("Reportname %r not found." % (n, ))
continue
params.append(rptparams)
else:
params = self.reports.get(name, None)
if not params:
raise reports.ReportFindError("Report %r not found." % (name, ))
if type(params) is list:
params = map(self.expand_params, params)
else:
params = self.expand_params(params)
return reports.get_report(params)
def get_suite(dbsuite, config):
"""Get a Suite object.
Return the implementation class of a TestSuite, or a generic Suite
instance if not defined.
"""
name = dbsuite.name
if " " in name:
name = identifier(name)
impl = dbsuite.suiteimplementation
if impl:
try:
obj = module.get_object(impl)
except module.ObjectImportError:
logging.warning("Did not find suite implementation %r." % (impl,))
else:
if type(obj) is type and issubclass(obj, core.TestSuite):
return obj(config, name=name)
else:
raise InvalidObjectError("%r is not a TestSuite class object." % (obj,))
return core.TestSuite(config, name=name)
def get_suite(dbsuite, config):
"""Get a Suite object.
Return the implementation class of a TestSuite, or a generic Suite
instance if not defined.
"""
name = dbsuite.name
if " " in name:
name = identifier(name)
impl = dbsuite.suiteimplementation
if impl:
try:
obj = module.get_object(impl)
except module.ObjectImportError:
logging.warning("Did not find suite implementation %r." % (impl, ))
else:
if type(obj) is type and issubclass(obj, core.TestSuite):
return obj(config, name=name)
else:
raise InvalidObjectError(
"%r is not a TestSuite class object." % (obj, ))
return core.TestSuite(config, name=name)
def _suboption(self):
subopt = self.sbdataq
self.sbdataq = ''
if len(subopt) != 3:
logging.error("Bad suboption recieved: {!r}".format(subopt))
return
if subopt[0] == COM_PORT_OPTION:
comopt = subopt[1]
if comopt == RESP_NOTIFY_LINESTATE:
value = subopt[2]
self._linestate = LineState(subopt[2])
elif comopt == RESP_NOTIFY_MODEMSTATE:
self._modemstate = ModemState(subopt[2])
elif comopt == RESP_FLOWCONTROL_SUSPEND:
self._suspended = True
logging.warning("Telnet: requested to suspend tx.")
elif comopt == RESP_FLOWCONTROL_RESUME:
self._suspended = False
logging.warning("Telnet: requested to resume tx.")
else:
logging.warning("Telnet: unhandled COM opton: {}".format(repr(subopt)))
else:
logging.warning("Telnet: unhandled subnegotion: {}".format(repr(subopt)))
def send(self, stream, retry=16, timeout=60, quiet=0):
'''
Send a stream via the XMODEM protocol.
>>> stream = file('/etc/issue', 'rb')
>>> print modem.send(stream)
True
Returns ``True`` upon succesful transmission or ``False`` in case of
failure.
'''
# initialize protocol
error_count = 0
crc_mode = 0
cancel = 0
while True:
char = self.getc(1)
if char:
if char == NAK:
crc_mode = 0
break
elif char == CRC:
crc_mode = 1
break
elif char == CAN:
if not quiet:
print >> sys.stderr, 'received CAN'
if cancel:
return False
else:
cancel = 1
else:
logging.error('send ERROR expected NAK/CRC, got %s' %
(ord(char), ))
error_count += 1
if error_count >= retry:
self.abort(timeout=timeout)
return False
# send data
error_count = 0
packet_size = 128
sequence = 1
while True:
data = stream.read(packet_size)
if not data:
# end of stream
break
data = data.ljust(packet_size, '\xff')
if crc_mode:
crc = self.calc_crc(data)
else:
crc = self.calc_checksum(data)
# emit packet
while True:
self.putc(SOH)
self.putc(chr(sequence))
self.putc(chr(0xff - sequence))
self.putc(data)
if crc_mode:
self.putc(chr(crc >> 8))
self.putc(chr(crc & 0xff))
else:
self.putc(chr(crc))
char = self.getc(1, timeout)
if char == ACK:
break
if char == NAK:
error_count += 1
if error_count >= retry:
# excessive amounts of retransmissions requested,
# abort transfer
self.abort(timeout=timeout)
logging.warning('excessive NAKs, transfer aborted')
return False
# return to loop and resend
continue
# protocol error
self.abort(timeout=timeout)
logging.error('xmodem protocol error')
return False
# keep track of sequence
sequence = (sequence + 1) % 0x100
# end of transmission
self.putc(EOT)
return True
def error_handler(self):
logging.warning("Telnet: unhandled error")
def hangup_handler(self):
logging.warning("Telnet: unhandled hangup event")
def pri_handler(self):
logging.warning("Telnet: unhandled pri event")
def read_handler(self):
data = self._read(16384)
logging.warning("unhandled read from process")
def error_handler(self):
logging.warning("Telnet: unhandled error")
def hangup_handler(self):
logging.warning("Telnet: unhandled hangup event")
def pri_handler(self):
logging.warning("Telnet: unhandled pri event")
def send(self, stream, retry=16, timeout=60, quiet=0):
'''
Send a stream via the XMODEM protocol.
>>> stream = file('/etc/issue', 'rb')
>>> print modem.send(stream)
True
Returns ``True`` upon succesful transmission or ``False`` in case of
failure.
'''
# initialize protocol
error_count = 0
crc_mode = 0
cancel = 0
while True:
char = self.getc(1)
if char:
if char == NAK:
crc_mode = 0
break
elif char == CRC:
crc_mode = 1
break
elif char == CAN:
if not quiet:
print >> sys.stderr, 'received CAN'
if cancel:
return False
else:
cancel = 1
else:
logging.error('send ERROR expected NAK/CRC, got %s' % (ord(char),))
error_count += 1
if error_count >= retry:
self.abort(timeout=timeout)
return False
# send data
error_count = 0
packet_size = 128
sequence = 1
while True:
data = stream.read(packet_size)
if not data:
# end of stream
break
data = data.ljust(packet_size, '\xff')
if crc_mode:
crc = self.calc_crc(data)
else:
crc = self.calc_checksum(data)
# emit packet
while True:
self.putc(SOH)
self.putc(chr(sequence))
self.putc(chr(0xff - sequence))
self.putc(data)
if crc_mode:
self.putc(chr(crc >> 8))
self.putc(chr(crc & 0xff))
else:
self.putc(chr(crc))
char = self.getc(1, timeout)
if char == ACK:
break
if char == NAK:
error_count += 1
if error_count >= retry:
# excessive amounts of retransmissions requested,
# abort transfer
self.abort(timeout=timeout)
logging.warning('excessive NAKs, transfer aborted')
return False
# return to loop and resend
continue
# protocol error
self.abort(timeout=timeout)
logging.error('xmodem protocol error')
return False
# keep track of sequence
sequence = (sequence + 1) % 0x100
# end of transmission
self.putc(EOT)
return True
def read_handler(self):
data = self._read(16384)
logging.warning("unhandled read from process")
