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 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_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 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 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_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_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_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 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 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)

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_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 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:
#.........这里部分代码省略.........

    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 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)