def received(self):
consumed_data = False
for process in list(self._process):
try:
proc = self._process[process]
poll = proc.poll()
# proc.poll returns None if the process is still fine
# -[signal], like -15, if the process was terminated
if poll is not None:
self._handle_problem(process)
return
r, _, _ = select.select([
proc.stdout,
], [], [], 0)
if not r:
continue
try:
# Calling next() on Linux and OSX works perfectly well
# but not on OpenBSD where it always raise StopIteration
# and only readline() works
buf = str_ascii(proc.stdout.read(16384))
if buf == '' and poll is not None:
# if proc.poll() is None then
# process is fine, we received an empty line because
# we're doing .readline() on a non-blocking pipe and
# the process maybe has nothing to send yet
self._handle_problem(process)
continue
raw = self._buffer.get(process, '') + buf
while '\n' in raw:
line, raw = raw.split('\n', 1)
line = line.rstrip()
consumed_data = True
self.logger.debug(
'command from process %s : %s ' % (process, line),
'process')
yield (process, formated(line))
self._buffer[process] = raw
except IOError as exc:
if not exc.errno or exc.errno in error.fatal:
# if the program exits we can get an IOError with errno code zero !
self._handle_problem(process)
elif exc.errno in error.block:
# we often see errno.EINTR: call interrupted and
# we most likely have data, we will try to read them a the next loop iteration
pass
else:
self.logger.debug(
'unexpected errno received from forked process (%s)'
% errstr(exc), 'process')
except StopIteration:
if not consumed_data:
self._handle_problem(process)
except (subprocess.CalledProcessError, OSError, ValueError):
self._handle_problem(process)
def received(self):
consumed_data = False
buffered = {}
for process in list(self._process):
try:
proc = self._process[process]
# proc.poll returns None if the process is still fine
# -[signal], like -15, if the process was terminated
if proc.poll() is not None and self.reactor.respawn:
raise ValueError('child died')
r, _, _ = select.select([
proc.stdout,
], [], [], 0)
if r:
try:
while True:
# Calling next() on Linux and OSX works perfectly well
# but not on OpenBSD where it always raise StopIteration
# and only readline() works
raw = buffered.get(process,
'') + proc.stdout.readline()
if not raw.endswith('\n'):
buffered[process] = raw
continue
buffered[process] = ''
line = raw.rstrip()
consumed_data = True
self.logger.processes(
"Command from process %s : %s " %
(process, line))
if raw == '':
raise IOError('Child process died')
yield (process, formated(line))
except IOError, exc:
if not exc.errno or exc.errno in error.fatal:
# if the program exists we can get an IOError with errno code zero !
self.logger.processes(
"Issue with the process, terminating it and restarting it"
)
self._terminate(process)
self._start(process)
elif exc.errno in error.block:
# we often see errno.EINTR: call interrupted and
# we most likely have data, we will try to read them a the next loop iteration
pass
else:
self.logger.processes(
"unexpected errno received from forked process (%s)"
% errstr(exc))
except StopIteration:
if not consumed_data:
self.logger.processes(
"The process died, trying to respawn it")
self._terminate(process)
self._start(process)
def api_refresh(self, command):
tokens = formated(command).split(' ')[2:]
if len(tokens) != 2:
return False
afi = AFI.value(tokens.pop(0))
safi = SAFI.value(tokens.pop(0))
if afi is None or safi is None:
return False
return RouteRefresh(afi, safi)
def api_refresh (self, command):
tokens = formated(command).split(' ')[2:]
if len(tokens) != 2:
return False
afi = AFI.value(tokens.pop(0))
safi = SAFI.value(tokens.pop(0))
if afi is None or safi is None:
return False
return RouteRefresh(afi,safi)
def received (self):
consumed_data = False
for process in list(self._process):
try:
proc = self._process[process]
poll = proc.poll()
# proc.poll returns None if the process is still fine
# -[signal], like -15, if the process was terminated
if poll is not None:
self._handle_problem(process)
return
r,_,_ = select.select([proc.stdout,],[],[],0)
if not r:
continue
try:
# Calling next() on Linux and OSX works perfectly well
# but not on OpenBSD where it always raise StopIteration
# and only readline() works
buf = str_ascii(proc.stdout.read(16384))
if buf == '' and poll is not None:
# if proc.poll() is None then
# process is fine, we received an empty line because
# we're doing .readline() on a non-blocking pipe and
# the process maybe has nothing to send yet
self._handle_problem(process)
continue
raw = self._buffer.get(process,'') + buf
while '\n' in raw:
line,raw = raw.split('\n',1)
line = line.rstrip()
consumed_data = True
self.logger.debug('command from process %s : %s ' % (process,line),'process')
yield (process,formated(line))
self._buffer[process] = raw
except IOError as exc:
if not exc.errno or exc.errno in error.fatal:
# if the program exits we can get an IOError with errno code zero !
self._handle_problem(process)
elif exc.errno in error.block:
# we often see errno.EINTR: call interrupted and
# we most likely have data, we will try to read them a the next loop iteration
pass
else:
self.logger.debug('unexpected errno received from forked process (%s)' % errstr(exc),'process')
except StopIteration:
if not consumed_data:
self._handle_problem(process)
except (subprocess.CalledProcessError,OSError,ValueError):
self._handle_problem(process)
def api_operational(self, command):
tokens = formated(command).split(' ')
op = tokens[1].lower()
what = tokens[2].lower()
if op != 'operational':
return False
self.configuration.tokeniser.iterate.replenish(tokens[3:])
# None or a class
return operational(what, self.configuration.tokeniser.iterate)
def api_operational (self, command):
tokens = formated(command).split(' ')
op = tokens[1].lower()
what = tokens[2].lower()
if op != 'operational':
return False
self.configuration.tokeniser.iterate.replenish(tokens[3:])
# None or a class
return operational(what,self.configuration.tokeniser.iterate)
def api_operational (self, command):
tokens = formated(command).split(' ',3)
if len(tokens) != 4:
return False
operational = tokens[1].lower()
what = tokens[2].lower()
if operational != 'operational':
return False
# None or a class
return self.operational.operational(what,tokens[3])
def received (self):
consumed_data = False
buffered = {}
for process in list(self._process):
try:
proc = self._process[process]
# proc.poll returns None if the process is still fine
# -[signal], like -15, if the process was terminated
if proc.poll() is not None and self.reactor.respawn:
raise ValueError('child died')
r,_,_ = select.select([proc.stdout,],[],[],0)
if r:
try:
while True:
# Calling next() on Linux and OSX works perfectly well
# but not on OpenBSD where it always raise StopIteration
# and only readline() works
raw = buffered.get(process,'') + proc.stdout.readline()
if not raw.endswith('\n'):
buffered[process] = raw
continue
buffered[process] = ''
line = raw.rstrip()
consumed_data = True
self.logger.processes("Command from process %s : %s " % (process,line))
if raw == '':
raise IOError('Child process died')
yield (process,formated(line))
except IOError,exc:
if not exc.errno or exc.errno in error.fatal:
# if the program exists we can get an IOError with errno code zero !
self.logger.processes("Issue with the process, terminating it and restarting it")
self._terminate(process)
self._start(process)
elif exc.errno in error.block:
# we often see errno.EINTR: call interrupted and
# we most likely have data, we will try to read them a the next loop iteration
pass
else:
self.logger.processes("unexpected errno received from forked process (%s)" % errstr(exc))
except StopIteration:
if not consumed_data:
self.logger.processes("The process died, trying to respawn it")
self._terminate(process)
self._start(process)
def api_eor(self, command):
tokens = formated(command).split(' ')[2:]
number = len(tokens)
if not number:
return Family(1, 1)
if number != 2:
return False
afi = AFI.fromString(tokens[0])
if afi == AFI.undefined:
return False
safi = SAFI.fromString(tokens[1])
if safi == SAFI.undefined:
return False
return Family(afi, safi)
def api_eor (self, command):
tokens = formated(command).split(' ')[2:]
number = len(tokens)
if not number:
return Family(1,1)
if number != 2:
return False
afi = AFI.fromString(tokens[0])
if afi == AFI.undefined:
return False
safi = SAFI.fromString(tokens[1])
if safi == SAFI.undefined:
return False
return Family(afi,safi)