def test_ok(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = PEventListenerDispatcher.RESULT_TOKEN_START
stdout = StringIO()
listener.ok(stdout)
self.assertEqual(stdout.getvalue(), begin + '2\nOK')
def test_fail(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = as_string(PEventListenerDispatcher.RESULT_TOKEN_START)
stdout = StringIO()
listener.fail(stdout)
self.assertEqual(stdout.getvalue(), begin + '4\nFAIL')
def continue_request(self, request, stdin):
temp_files = stdin, StringIO(), StringIO()
old_files = sys.stdin, sys.stdout, sys.stderr
try:
sys.request = request
sys.stdin, sys.stdout, sys.stderr = temp_files
try:
exec(
compile(
open(request.script_filename).read(),
request.script_filename, 'exec'))
request.reply_code = 200
except:
request.reply_code = 500
self.exceptions.increment()
finally:
sys.stdin, sys.stdout, sys.stderr = old_files
del sys.request
i, o, e = temp_files
if request.reply_code != 200:
s = e.getvalue()
else:
s = o.getvalue()
request['Content-Length'] = len(s)
request.push(s)
request.done()
def test_token(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
token = PEventListenerDispatcher.READY_FOR_EVENTS_TOKEN
stdout = StringIO()
listener.ready(stdout)
self.assertEqual(stdout.getvalue(), token)
def signal(self, sig):
"""Send a signal to the subprocess, without intending to kill it.
Return None if the signal was sent, or an error message string
if an error occurred or if the subprocess is not running.
"""
options = self.config.options
if not self.pid:
msg = ("attempted to send %s sig %s but it wasn't running" %
(self.logname, signame(sig)))
options.logger.debug(msg)
return msg
options.logger.debug('sending %s (pid %s) sig %s' %
(self.logname, self.pid, signame(sig)))
self._assertInState(ProcessStates.RUNNING, ProcessStates.STARTING,
ProcessStates.STOPPING)
try:
options.kill(self.pid, sig)
except:
io = StringIO()
traceback.print_exc(file=io)
tb = io.getvalue()
msg = 'unknown problem sending sig %s (%s):%s' % (self.logname,
self.pid, tb)
options.logger.critical(msg)
self.change_state(ProcessStates.UNKNOWN)
self.pid = 0
return msg
return None
def test_ok(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = as_string(PEventListenerDispatcher.RESULT_TOKEN_START)
stdout = StringIO()
listener.ok(stdout)
self.assertEqual(stdout.getvalue(), begin + '2\nOK')
def continue_request(self, request, input_data):
temp_files = input_data, StringIO(), StringIO()
old_files = sys.stdin, sys.stdout, sys.stderr
try:
sys.stdin, sys.stdout, sys.stderr = temp_files
# provide a default
request['Content-Type'] = 'text/html'
try:
request.module.main(request)
request.reply_code = 200
except:
request.reply_code = 500
self.exceptions.increment()
finally:
sys.stdin, sys.stdout, sys.stderr = old_files
i, o, e = temp_files
if request.reply_code != 200:
s = e.getvalue()
else:
s = o.getvalue()
request['Content-Length'] = len(s)
request.push(s)
request.done()
def test_token(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
token = as_string(PEventListenerDispatcher.READY_FOR_EVENTS_TOKEN)
stdout = StringIO()
listener.ready(stdout)
self.assertEqual(stdout.getvalue(), token)
def test_fail(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = PEventListenerDispatcher.RESULT_TOKEN_START
stdout = StringIO()
listener.fail(stdout)
self.assertEqual(stdout.getvalue(), begin + '4\nFAIL')
def continue_request(self, data, request):
logger = self.supervisord.options.logger
try:
params, method = self.loads(data)
# no <methodName> in the request or name is an empty string
if not method:
logger.trace('XML-RPC request received with no method name')
request.error(400)
return
# we allow xml-rpc clients that do not send empty <params>
# when there are no parameters for the method call
if params is None:
params = ()
try:
logger.trace('XML-RPC method called: %s()' % method)
value = self.call(method, params)
# application-specific: instead of we never want to
# marshal None (even though we could by saying allow_none=True
# in dumps within xmlrpc_marshall), this is meant as
# a debugging fixture, see issue 223.
assert value is not None, (
'return value from method %r with params %r is None' %
(method, params)
)
logger.trace('XML-RPC method %s() returned successfully' %
method)
except RPCError as err:
# turn RPCError reported by method into a Fault instance
value = xmlrpclib.Fault(err.code, err.text)
logger.trace('XML-RPC method %s() returned fault: [%d] %s' % (
method,
err.code, err.text))
if isinstance(value, types.FunctionType):
# returning a function from an RPC method implies that
# this needs to be a deferred response (it needs to block).
pushproducer = request.channel.push_with_producer
pushproducer(DeferredXMLRPCResponse(request, value))
else:
# if we get anything but a function, it implies that this
# response doesn't need to be deferred, we can service it
# right away.
body = xmlrpc_marshal(value)
request['Content-Type'] = 'text/xml'
request['Content-Length'] = len(body)
request.push(body)
request.done()
except:
io = StringIO()
traceback.print_exc(file=io)
val = io.getvalue()
logger.critical(val)
# internal error, report as HTTP server error
request.error(500)
def continue_request(self, data, request):
logger = self.supervisord.options.logger
try:
params, method = self.loads(data)
# no <methodName> in the request or name is an empty string
if not method:
logger.trace('XML-RPC request received with no method name')
request.error(400)
return
# we allow xml-rpc clients that do not send empty <params>
# when there are no parameters for the method call
if params is None:
params = ()
try:
logger.trace('XML-RPC method called: %s()' % method)
value = self.call(method, params)
# application-specific: instead of we never want to
# marshal None (even though we could by saying allow_none=True
# in dumps within xmlrpc_marshall), this is meant as
# a debugging fixture, see issue 223.
assert value is not None, (
'return value from method %r with params %r is None' %
(method, params)
)
logger.trace('XML-RPC method %s() returned successfully' %
method)
except RPCError as err:
# turn RPCError reported by method into a Fault instance
value = xmlrpclib.Fault(err.code, err.text)
logger.trace('XML-RPC method %s() returned fault: [%d] %s' % (
method,
err.code, err.text))
if isinstance(value, types.FunctionType):
# returning a function from an RPC method implies that
# this needs to be a deferred response (it needs to block).
pushproducer = request.channel.push_with_producer
pushproducer(DeferredXMLRPCResponse(request, value))
else:
# if we get anything but a function, it implies that this
# response doesn't need to be deferred, we can service it
# right away.
body = xmlrpc_marshal(value)
request['Content-Type'] = 'text/xml'
request['Content-Length'] = len(body)
request.push(body)
request.done()
except:
io = StringIO()
traceback.print_exc(file=io)
val = io.getvalue()
logger.critical(val)
# internal error, report as HTTP server error
request.error(500)
def test_send(self):
from supervisor.childutils import pcomm
stdout = StringIO()
pcomm.send('hello', stdout)
from supervisor.events import ProcessCommunicationEvent
begin = ProcessCommunicationEvent.BEGIN_TOKEN
end = ProcessCommunicationEvent.END_TOKEN
self.assertEqual(stdout.getvalue(), '%s%s%s' % (begin, 'hello', end))
def test_send(self):
from supervisor.childutils import pcomm
stdout = StringIO()
pcomm.send('hello', stdout)
from supervisor.events import ProcessCommunicationEvent
begin = ProcessCommunicationEvent.BEGIN_TOKEN
end = ProcessCommunicationEvent.END_TOKEN
self.assertEqual(stdout.getvalue(), '%s%s%s' % (begin, 'hello', end))
def test_send(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = as_string(PEventListenerDispatcher.RESULT_TOKEN_START)
stdout = StringIO()
msg = 'the body data ya fool\n'
listener.send(msg, stdout)
expected = '%s%s\n%s' % (begin, len(msg), msg)
self.assertEqual(stdout.getvalue(), expected)
def test_send(self):
from supervisor.childutils import listener
from supervisor.dispatchers import PEventListenerDispatcher
begin = PEventListenerDispatcher.RESULT_TOKEN_START
stdout = StringIO()
msg = 'the body data ya fool\n'
listener.send(msg, stdout)
expected = '%s%s\n%s' % (begin, len(msg), msg)
self.assertEqual(stdout.getvalue(), expected)
def test_error(self):
inst = self._makeOne()
try:
old_stderr = sys.stderr
stderr = StringIO()
sys.stderr = stderr
self.assertEqual(inst.error('url', 'error'), None)
self.assertEqual(stderr.getvalue(), 'url error\n')
finally:
sys.stderr = old_stderr
def test_feed(self):
inst = self._makeOne()
try:
old_stdout = sys.stdout
stdout = StringIO()
sys.stdout = stdout
inst.feed('url', 'data')
self.assertEqual(stdout.getvalue(), 'data')
finally:
sys.stdout = old_stdout
def test_wait(self):
from supervisor.childutils import listener
class Dummy:
def readline(self):
return 'len:5'
def read(self, *ignored):
return 'hello'
stdin = Dummy()
stdout = StringIO()
headers, payload = listener.wait(stdin, stdout)
self.assertEqual(headers, {'len':'5'})
self.assertEqual(payload, 'hello')
self.assertEqual(stdout.getvalue(), 'READY\n')
def test_wait(self):
from supervisor.childutils import listener
class Dummy:
def readline(self):
return 'len:5'
def read(self, *ignored):
return 'hello'
stdin = Dummy()
stdout = StringIO()
headers, payload = listener.wait(stdin, stdout)
self.assertEqual(headers, {'len':'5'})
self.assertEqual(payload, 'hello')
self.assertEqual(stdout.getvalue(), 'READY\n')
class collector:
def __init__(self, handler, length, request):
self.handler = handler
self.request = request
self.request.collector = self
self.request.channel.set_terminator(length)
self.buffer = StringIO()
def collect_incoming_data(self, data):
self.buffer.write(data)
def found_terminator(self):
self.buffer.seek(0)
self.request.collector = None
self.request.channel.set_terminator('\r\n\r\n')
self.handler.continue_request(self.request, self.buffer)
def test_close_stream_handles_fileno_unsupported_operation(self):
# on python 2, StringIO does not have fileno()
# on python 3, StringIO has fileno() but calling it raises
stream = StringIO()
inst = self._makeOne(stream=stream)
inst.close() # shouldn't raise
self.assertTrue(inst.closed)
def handle_request(self, request):
path = request.split_uri()[0]
while path and path[0] == '/':
path = path[1:]
if '%' in path:
path = unquote(path)
if not self.filesystem.isfile(path):
request.error(404)
return
else:
self.hits.increment()
request.script_filename = self.filesystem.translate(path)
if request.command in ('PUT', 'POST'):
# look for a Content-Length header.
cl = request.get_header('content-length')
length = int(cl)
if not cl:
request.error(411)
else:
collector(self, length, request)
else:
self.continue_request(
request,
StringIO() # empty stdin
)
def test_main_noprofile(self):
from supervisor.supervisord import main
conf = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'fixtures', 'donothing.conf')
new_stdout = StringIO()
old_stdout = sys.stdout
try:
tempdir = tempfile.mkdtemp()
log = os.path.join(tempdir, 'log')
pid = os.path.join(tempdir, 'pid')
sys.stdout = new_stdout
main(args=['-c', conf, '-l', log, '-j', pid, '-n'], test=True)
finally:
sys.stdout = old_stdout
shutil.rmtree(tempdir)
output = new_stdout.getvalue()
self.assertTrue(output.find('supervisord started') != 1, output)
def more(self):
if self.finished:
return ""
try:
response = self.callback()
if response is NOT_DONE_YET:
return NOT_DONE_YET
self.finished = True
return self.sendresponse(response)
except:
io = StringIO()
traceback.print_exc(file=io)
# this should go to the main supervisor log file
self.request.channel.server.logger.log("Web interface error", io.getvalue())
self.finished = True
self.request.error(500)
def signal(self, sig):
"""Send a signal to the subprocess, without intending to kill it.
Return None if the signal was sent, or an error message string
if an error occurred or if the subprocess is not running.
"""
options = self.config.options
if not self.pid:
msg = ("attempted to send %s sig %s but it wasn't running" %
(self.config.name, signame(sig)))
options.logger.debug(msg)
return msg
options.logger.debug('sending %s (pid %s) sig %s'
% (self.config.name,
self.pid,
signame(sig))
)
self._assertInState(
ProcessStates.RUNNING,
ProcessStates.STARTING,
ProcessStates.STOPPING
)
try:
options.kill(self.pid, sig)
except ValueError as e: # signal not supported
msg = 'problem sending sig %s (%s): %s' % (
self.config.name, self.pid, str(e))
io = StringIO()
traceback.print_exc(file=io)
tb = io.getvalue()
options.logger.error(tb)
return msg
except:
io = StringIO()
traceback.print_exc(file=io)
tb = io.getvalue()
msg = 'unknown problem sending sig %s (%s):%s' % (
self.config.name, self.pid, tb)
options.logger.critical(msg)
self.change_state(ProcessStates.UNKNOWN)
self.pid = 0
return msg
def more(self):
if self.finished:
return ''
try:
response = self.callback()
if response is NOT_DONE_YET:
return NOT_DONE_YET
self.finished = True
return self.sendresponse(response)
except:
io = StringIO()
traceback.print_exc(file=io)
# this should go to the main supervisor log file
self.request.channel.server.logger.log('Web interface error',
io.getvalue())
self.finished = True
self.request.error(500)
def test_main_noprofile(self):
from supervisor.supervisord import main
conf = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'fixtures',
'donothing.conf')
new_stdout = StringIO()
old_stdout = sys.stdout
try:
tempdir = tempfile.mkdtemp()
log = os.path.join(tempdir, 'log')
pid = os.path.join(tempdir, 'pid')
sys.stdout = new_stdout
main(args=['-c', conf, '-l', log, '-j', pid, '-n'],
test=True)
finally:
sys.stdout = old_stdout
shutil.rmtree(tempdir)
output = new_stdout.getvalue()
self.assertTrue(output.find('supervisord started') != 1, output)
def test_main_profile(self):
from supervisor.supervisord import main
conf = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'fixtures',
'donothing.conf')
new_stdout = StringIO()
new_stdout.fileno = lambda: 1
old_stdout = sys.stdout
try:
tempdir = tempfile.mkdtemp()
log = os.path.join(tempdir, 'log')
pid = os.path.join(tempdir, 'pid')
sys.stdout = new_stdout
main(args=['-c', conf, '-l', log, '-j', pid, '-n',
'--profile_options=cumulative,calls'], test=True)
finally:
sys.stdout = old_stdout
shutil.rmtree(tempdir)
output = new_stdout.getvalue()
self.assertTrue('cumulative time, call count' in output, output)
def test_silent_on(self):
from supervisor.supervisord import main
conf = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'fixtures',
'donothing.conf')
new_stdout = StringIO()
new_stdout.fileno = lambda: 1
old_stdout = sys.stdout
try:
tempdir = tempfile.mkdtemp()
log = os.path.join(tempdir, 'log')
pid = os.path.join(tempdir, 'pid')
sys.stdout = new_stdout
main(args=['-c', conf, '-l', log, '-j', pid, '-n', '-s'], test=True)
finally:
sys.stdout = old_stdout
shutil.rmtree(tempdir)
output = new_stdout.getvalue()
self.assertEqual(len(output), 0)
class collector:
def __init__ (self, handler, length, request):
self.handler = handler
self.request = request
self.request.collector = self
self.request.channel.set_terminator (length)
self.buffer = StringIO()
def collect_incoming_data (self, data):
self.buffer.write (data)
def found_terminator (self):
self.buffer.seek(0)
self.request.collector = None
self.request.channel.set_terminator ('\r\n\r\n')
self.handler.continue_request (
self.request,
self.buffer
)
def handle_request(self, request):
if request.command in ('PUT', 'POST'):
# look for a Content-Length header.
cl = request.get_header('content-length')
length = int(cl)
if not cl:
request.error(411)
else:
collector(self, length, request)
else:
self.continue_request(request, StringIO())
def test_main_profile(self):
from supervisor.supervisord import main
conf = os.path.join(
os.path.abspath(os.path.dirname(__file__)), 'fixtures',
'donothing.conf')
new_stdout = StringIO()
new_stdout.fileno = lambda: 1
old_stdout = sys.stdout
try:
tempdir = tempfile.mkdtemp()
log = os.path.join(tempdir, 'log')
pid = os.path.join(tempdir, 'pid')
sys.stdout = new_stdout
main(args=['-c', conf, '-l', log, '-j', pid, '-n',
'--profile_options=cumulative,calls'], test=True)
finally:
sys.stdout = old_stdout
shutil.rmtree(tempdir)
output = new_stdout.getvalue()
self.assertTrue('cumulative time, call count' in output, output)
def test_stderr(self):
from supervisor.childutils import pcomm
old = sys.stderr
try:
io = sys.stderr = StringIO()
pcomm.stderr('hello')
from supervisor.events import ProcessCommunicationEvent
begin = ProcessCommunicationEvent.BEGIN_TOKEN
end = ProcessCommunicationEvent.END_TOKEN
self.assertEqual(io.getvalue(), '%s%s%s' % (begin, 'hello', end))
finally:
sys.stderr = old
def loads(self, data):
params = method = None
for action, elem in iterparse(StringIO(data)):
unmarshall = self.unmarshallers.get(elem.tag)
if unmarshall:
data = unmarshall(elem)
elem.clear()
elem.text = data
elif elem.tag == "methodName":
method = elem.text
elif elem.tag == "params":
params = tuple([v.text for v in elem])
return params, method
def loads(self, data):
params = method = None
# python中用ElementTree.iterparse()读取xml文件中的多层节点
for action, elem in iterparse(StringIO(data)):
unmarshall = self.unmarshallers.get(elem.tag)
if unmarshall:
data = unmarshall(elem)
elem.clear()
elem.text = data
elif elem.tag == "value":
try:
data = elem[0].text
except IndexError:
data = elem.text or ""
elem.clear()
elem.text = data
elif elem.tag == "methodName":
method = elem.text
elif elem.tag == "params":
params = tuple([v.text for v in elem])
# print(params,method)
return params, method
def parse_xmlstring(text):
source = StringIO(text)
return parse_xml(source)
def __init__ (self, handler, length, request):
self.handler = handler
self.request = request
self.request.collector = self
self.request.channel.set_terminator (length)
self.buffer = StringIO()
def handle_request (self, request):
path = request.split_uri()[0]
self.hit_counter.increment()
if path == self.statusdir: # and not a subdirectory
up_time = ''.join(english_time(long(time.time()) - START_TIME))
request['Content-Type'] = 'text/html'
request.push (
'<html>'
'<title>Medusa Status Reports</title>'
'<body bgcolor="#ffffff">'
'<h1>Medusa Status Reports</h1>'
'<b>Up:</b> %s' % up_time
)
for i in range(len(self.objects)):
try:
request.push (self.objects[i].status())
except:
import traceback
stream = StringIO()
traceback.print_exc(None,stream)
request.push('<h2><font color="red">Error in Channel %3d: %s</font><pre>%s</pre>' % (i,escape(repr(self.objects[i])), escape(stream.getvalue())))
request.push ('<hr>\r\n')
request.push (
'<p><a href="%s/channel_list">Channel List</a>'
'<hr>'
'<img src="%s/medusa.gif" align=right width=%d height=%d>'
'</body></html>' % (
self.statusdir,
self.statusdir,
medusa_gif.width,
medusa_gif.height
)
)
request.done()
elif path == self.statusdir + '/channel_list':
request['Content-Type'] = 'text/html'
request.push ('<html><body>')
request.push(channel_list_producer(self.statusdir))
request.push (
'<hr>'
'<img src="%s/medusa.gif" align=right width=%d height=%d>' % (
self.statusdir,
medusa_gif.width,
medusa_gif.height
) +
'</body></html>'
)
request.done()
elif path == self.statusdir + '/medusa.gif':
request['Content-Type'] = 'image/gif'
request['Content-Length'] = len(medusa_gif.data)
request.push (medusa_gif.data)
request.done()
elif path == self.statusdir + '/close_zombies':
message = (
'<h2>Closing all zombie http client connections...</h2>'
'<p><a href="%s">Back to the status page</a>' % self.statusdir
)
request['Content-Type'] = 'text/html'
request['Content-Length'] = len (message)
request.push (message)
now = int (time.time())
for channel in asyncore.socket_map.keys():
if channel.__class__ == http_server.http_channel:
if channel != request.channel:
if (now - channel.creation_time) > channel.zombie_timeout:
channel.close()
request.done()
# Emergency Debug Mode
# If a server is running away from you, don't KILL it!
# Move all the AF_INET server ports and perform an autopsy...
# [disabled by default to protect the innocent]
elif self.allow_emergency_debug and path == self.statusdir + '/emergency_debug':
request.push ('<html>Moving All Servers...</html>')
request.done()
for channel in asyncore.socket_map.keys():
if channel.accepting:
if type(channel.addr) is type(()):
ip, port = channel.addr
channel.socket.close()
channel.del_channel()
channel.addr = (ip, port+10000)
fam, typ = channel.family_and_type
channel.create_socket (fam, typ)
channel.set_reuse_addr()
channel.bind (channel.addr)
channel.listen(5)
else:
m = self.hyper_regex.match (path)
if m:
oid = int(m.group(1))
for object in self.hyper_objects:
if id (object) == oid:
if hasattr (object, 'hyper_respond'):
object.hyper_respond (self, path, request)
else:
request.error (404)
return
def test_main_writes_data_out_that_looks_like_a_config_file(self):
sio = StringIO()
confecho.main(out=sio)
output = sio.getvalue()
self.assertTrue("[supervisord]" in output)
def kill(self, sig):
"""Send a signal to the subprocess. This may or may not kill it.
Return None if the signal was sent, or an error message string
if an error occurred or if the subprocess is not running.
"""
now = time.time()
options = self.config.options
# Properly stop processes in BACKOFF state.
if self.state == ProcessStates.BACKOFF:
msg = ("Attempted to kill %s, which is in BACKOFF state." %
(self.config.name))
options.logger.debug(msg)
self.change_state(ProcessStates.STOPPED)
return None
if not self.pid:
msg = ("attempted to kill %s with sig %s but it wasn't running" %
(self.config.name, signame(sig)))
options.logger.debug(msg)
return msg
#If we're in the stopping state, then we've already sent the stop
#signal and this is the kill signal
if self.state == ProcessStates.STOPPING:
killasgroup = self.config.killasgroup
else:
killasgroup = self.config.stopasgroup
as_group = ""
if killasgroup:
as_group = "process group "
options.logger.debug('killing %s (pid %s) %swith signal %s'
% (self.config.name,
self.pid,
as_group,
signame(sig))
)
# RUNNING/STARTING/STOPPING -> STOPPING
self.killing = 1
self.delay = now + self.config.stopwaitsecs
# we will already be in the STOPPING state if we're doing a
# SIGKILL as a result of overrunning stopwaitsecs
self._assertInState(ProcessStates.RUNNING,ProcessStates.STARTING,
ProcessStates.STOPPING)
self.change_state(ProcessStates.STOPPING)
pid = self.pid
if killasgroup:
# send to the whole process group instead
pid = -self.pid
try:
options.kill(pid, sig)
except:
io = StringIO()
traceback.print_exc(file=io)
tb = io.getvalue()
msg = 'unknown problem killing %s (%s):%s' % (self.config.name,
self.pid, tb)
options.logger.critical(msg)
self.change_state(ProcessStates.UNKNOWN)
self.pid = 0
self.killing = 0
self.delay = 0
return msg
return None
def kill(self, sig):
"""Send a signal to the subprocess. This may or may not kill it.
Return None if the signal was sent, or an error message string
if an error occurred or if the subprocess is not running.
"""
now = time.time()
options = self.config.options
# Properly stop processes in BACKOFF state.
if self.state == ProcessStates.BACKOFF:
msg = "Attempted to kill %s, which is in BACKOFF state." % self.config.name
options.logger.debug(msg)
self.change_state(ProcessStates.STOPPED)
return
if not self.pid:
msg = "Attempted to kill %s with sig %s but it wasn't running" % (
self.config.name, signame(sig))
options.logger.debug(msg)
return msg
# If we're in the stopping state, then we've already sent the stop
# signal and this is the kill signal
if self.state == ProcessStates.STOPPING:
killasgroup = self.config.killasgroup
else:
killasgroup = self.config.stopasgroup
as_group = ""
if killasgroup:
as_group = "process group "
options.logger.debug(
'killing %s (pid %s) %swith signal %s' %
(self.config.name, self.pid, as_group, signame(sig)))
# RUNNING/STARTING/STOPPING -> STOPPING
self.killing = 1
self.delay = now + self.config.stopwaitsecs
# we will already be in the STOPPING state if we're doing a
# SIGKILL as a result of overrunning stopwaitsecs
self._assertInState(ProcessStates.RUNNING, ProcessStates.STARTING,
ProcessStates.STOPPING)
self.change_state(ProcessStates.STOPPING)
pid = self.pid
if killasgroup:
# send to the whole process group instead
pid = -self.pid
try:
options.kill(pid, sig)
except:
io = StringIO()
traceback.print_exc(file=io)
tb = io.getvalue()
msg = 'Unknown problem killing %s (%s):%s' % (self.config.name,
self.pid, tb)
options.logger.critical(msg)
self.change_state(ProcessStates.UNKNOWN)
self.pid = 0
self.killing = 0
self.delay = 0
return msg
def handle_request(self, request):
path = request.split_uri()[0]
self.hit_counter.increment()
if path == self.statusdir: # and not a subdirectory
up_time = ''.join(english_time(long(time.time()) - START_TIME))
request['Content-Type'] = 'text/html'
request.push('<html>'
'<title>Medusa Status Reports</title>'
'<body bgcolor="#ffffff">'
'<h1>Medusa Status Reports</h1>'
'<b>Up:</b> %s' % up_time)
for i in range(len(self.objects)):
try:
request.push(self.objects[i].status())
except:
import traceback
stream = StringIO()
traceback.print_exc(None, stream)
request.push(
'<h2><font color="red">Error in Channel %3d: %s</font><pre>%s</pre>'
% (i, escape(repr(
self.objects[i])), escape(stream.getvalue())))
request.push('<hr>\r\n')
request.push(
'<p><a href="%s/channel_list">Channel List</a>'
'<hr>'
'<img src="%s/medusa.gif" align=right width=%d height=%d>'
'</body></html>' % (self.statusdir, self.statusdir,
medusa_gif.width, medusa_gif.height))
request.done()
elif path == self.statusdir + '/channel_list':
request['Content-Type'] = 'text/html'
request.push('<html><body>')
request.push(channel_list_producer(self.statusdir))
request.push(
'<hr>'
'<img src="%s/medusa.gif" align=right width=%d height=%d>' %
(self.statusdir, medusa_gif.width, medusa_gif.height) +
'</body></html>')
request.done()
elif path == self.statusdir + '/medusa.gif':
request['Content-Type'] = 'image/gif'
request['Content-Length'] = len(medusa_gif.data)
request.push(medusa_gif.data)
request.done()
elif path == self.statusdir + '/close_zombies':
message = ('<h2>Closing all zombie http client connections...</h2>'
'<p><a href="%s">Back to the status page</a>' %
self.statusdir)
request['Content-Type'] = 'text/html'
request['Content-Length'] = len(message)
request.push(message)
now = int(time.time())
for channel in asyncore.socket_map.keys():
if channel.__class__ == http_server.http_channel:
if channel != request.channel:
if (now - channel.creation_time
) > channel.zombie_timeout:
channel.close()
request.done()
# Emergency Debug Mode
# If a server is running away from you, don't KILL it!
# Move all the AF_INET server ports and perform an autopsy...
# [disabled by default to protect the innocent]
elif self.allow_emergency_debug and path == self.statusdir + '/emergency_debug':
request.push('<html>Moving All Servers...</html>')
request.done()
for channel in asyncore.socket_map.keys():
if channel.accepting:
if type(channel.addr) is type(()):
ip, port = channel.addr
channel.socket.close()
channel.del_channel()
channel.addr = (ip, port + 10000)
fam, typ = channel.family_and_type
channel.create_socket(fam, typ)
channel.set_reuse_addr()
channel.bind(channel.addr)
channel.listen(5)
else:
m = self.hyper_regex.match(path)
if m:
oid = int(m.group(1))
for object in self.hyper_objects:
if id(object) == oid:
if hasattr(object, 'hyper_respond'):
object.hyper_respond(self, path, request)
else:
request.error(404)
return
def parse_htmlstring(text, encoding=None):
source = StringIO(text)
return parse_html(source, encoding)
def __init__(self, handler, length, request):
self.handler = handler
self.request = request
self.request.collector = self
self.request.channel.set_terminator(length)
self.buffer = StringIO()
