GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /opt/cpanel/ea-ruby27/src/passenger-release-6.0.23/src/helper-scripts/wsgi-loader.py
#!/usr/bin/env python
#  Phusion Passenger - https://www.phusionpassenger.com/
#  Copyright (c) 2010-2017 Phusion Holding B.V.
#
#  "Passenger", "Phusion Passenger" and "Union Station" are registered
#  trademarks of Phusion Holding B.V.
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy
#  of this software and associated documentation files (the "Software"), to deal
#  in the Software without restriction, including without limitation the rights
#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#  copies of the Software, and to permit persons to whom the Software is
#  furnished to do so, subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in
#  all copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#  THE SOFTWARE.

import sys, os, threading, signal, traceback, socket, select, struct, logging, errno
import tempfile, json, time
if sys.version_info[0] >= 3 and sys.version_info[1] >= 5:
	from importlib import util
else:
	import imp

options = {}

def abort(message):
	sys.stderr.write(message + "\n")
	sys.exit(1)

def try_write_file(path, contents):
	try:
		with open(path, 'w') as f:
			f.write(contents)
	except IOError as e:
		logging.warn('Warning: unable to write to ' + path + ': ' + e.strerror)

def initialize_logging():
	logging.basicConfig(
		level = logging.WARNING,
		format = "[ pid=%(process)d, time=%(asctime)s ]: %(message)s")
	if hasattr(logging, 'captureWarnings'):
		logging.captureWarnings(True)

def read_startup_arguments():
	global options

	work_dir = os.getenv('PASSENGER_SPAWN_WORK_DIR')
	assert work_dir is not None
	path = work_dir + '/args.json'
	with open(path, 'r') as f:
		options = json.load(f)

def record_journey_step_begin(step, state):
	work_dir = os.getenv('PASSENGER_SPAWN_WORK_DIR')
	assert work_dir is not None
	step_dir = work_dir + '/response/steps/' + step.lower()
	try_write_file(step_dir + '/state', state)
	try_write_file(step_dir + '/begin_time', str(time.time()))

def record_journey_step_end(step, state):
	work_dir = os.getenv('PASSENGER_SPAWN_WORK_DIR')
	assert work_dir is not None
	step_dir = work_dir + '/response/steps/' + step.lower()
	try_write_file(step_dir + '/state', state)
	if not os.path.exists(step_dir + '/begin_time') and not os.path.exists(step_dir + '/begin_time_monotonic'):
		try_write_file(step_dir + '/begin_time', str(time.time()))
	try_write_file(step_dir + '/end_time', str(time.time()))

def load_app():
	global options

	sys.path.insert(0, os.getcwd())
	startup_file = options.get('startup_file', 'passenger_wsgi.py')
	if sys.version_info[0] >= 3 and sys.version_info[1] >= 5:
		spec = util.spec_from_file_location("passenger_wsgi", startup_file)
		assert spec is not None
		app_module = util.module_from_spec(spec)
		assert spec.loader is not None
		spec.loader.exec_module(app_module)
		return app_module
	else:
		return imp.load_source('passenger_wsgi', startup_file)

def create_server_socket():
	global options

	UNIX_PATH_MAX = int(options.get('UNIX_PATH_MAX', 100))
	if 'socket_dir' in options:
		socket_dir = options['socket_dir']
		socket_prefix = 'wsgi'
	else:
		socket_dir = tempfile.gettempdir()
		socket_prefix = 'PsgWsgiApp'

	i = 0
	while i < 128:
		try:
			return make_socket(socket_dir, socket_prefix, UNIX_PATH_MAX)
		except socket.error as e:
			if e.errno == errno.EADDRINUSE:
				i += 1
				if i == 128:
					raise e
			else:
				raise e

def make_socket(socket_dir, socket_prefix, UNIX_PATH_MAX):
	s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
	socket_suffix = format(struct.unpack('Q', os.urandom(8))[0], 'x')
	filename = socket_dir + '/' + socket_prefix + '.' + socket_suffix
	filename = filename[0:UNIX_PATH_MAX]
	s.bind(filename)
	s.listen(1000)
	return (filename, s)

def install_signal_handlers():
	def debug(sig, frame):
		id2name = dict([(th.ident, th.name) for th in threading.enumerate()])
		code = []
		for thread_id, stack in sys._current_frames().items():
			code.append("\n# Thread: %s(%d)" % (id2name.get(thread_id,""), thread_id))
			for filename, lineno, name, line in traceback.extract_stack(stack):
				code.append('  File: "%s", line %d, in %s' % (filename, lineno, name))
				if line:
					code.append("    %s" % (line.strip()))
		print("\n".join(code))

	def debug_and_exit(sig, frame):
		debug(sig, frame)
		sys.exit(1)

	# Unfortunately, there's no way to install a signal handler that prints
	# the backtrace without interrupting the current system call. os.siginterrupt()
	# doesn't seem to work properly either. That is why we only have a SIGABRT
	# handler and no SIGQUIT handler.
	signal.signal(signal.SIGABRT, debug_and_exit)

def advertise_sockets(socket_filename):
	work_dir = os.getenv('PASSENGER_SPAWN_WORK_DIR')
	assert work_dir is not None
	path = work_dir + '/response/properties.json'
	doc = {
		'sockets': [
			{
				'name': 'main',
				'address': 'unix:' + socket_filename,
				'protocol': 'session',
				'concurrency': 1,
				'accept_http_requests': True
			}
		]
	}
	with open(path, 'w') as f:
		json.dump(doc, f)

def advertise_readiness():
	work_dir = os.getenv('PASSENGER_SPAWN_WORK_DIR')
	assert work_dir is not None
	path = work_dir + '/response/finish'
	with open(path, 'w') as f:
		f.write('1')

if sys.version_info[0] >= 3:
	def reraise_exception(exc_info):
		raise exc_info[0].with_traceback(exc_info[1], exc_info[2])

	def bytes_to_str(b):
		return b.decode('latin-1')

	def str_to_bytes(s):
		if isinstance(s, bytes):
			return s
		else:
			return s.encode('latin-1')
else:
	def reraise_exception(exc_info):
		exec("raise exc_info[0], exc_info[1], exc_info[2]")

	def bytes_to_str(b):
		return b

	def str_to_bytes(s):
		return s

class RequestHandler:
	def __init__(self, server_socket, owner_pipe, app):
		self.server = server_socket
		self.owner_pipe = owner_pipe
		self.app = app

	def main_loop(self):
		done = False
		try:
			while not done:
				client, address = self.accept_connection()
				if not client:
					done = True
					break
				socket_hijacked = False
				try:
					try:
						env, input_stream = self.parse_request(client)
						if env:
							if env['REQUEST_METHOD'] == 'ping':
								self.process_ping(client)
							else:
								socket_hijacked = self.process_request(env, input_stream, client)
					except KeyboardInterrupt:
						done = True
					except IOError as e:
						if not getattr(e, 'passenger', False) or e.errno != errno.EPIPE:
							logging.exception("WSGI application raised an I/O exception!")
					except Exception:
						logging.exception("WSGI application raised an exception!")
				finally:
					if not socket_hijacked:
						try:
							# Shutdown the socket like this just in case the app
							# spawned a child process that keeps it open.
							client.shutdown(socket.SHUT_WR)
						except:
							pass
						try:
							client.close()
						except:
							pass
		except KeyboardInterrupt:
			pass

	def accept_connection(self):
		result = select.select([self.owner_pipe, self.server.fileno()], [], [])[0]
		if self.server.fileno() in result:
			return self.server.accept()
		else:
			return (None, None)

	def parse_request(self, client):
		buf = b''
		while len(buf) < 4:
			tmp = client.recv(4 - len(buf))
			if len(tmp) == 0:
				return (None, None)
			buf += tmp
		header_size = struct.unpack('>I', buf)[0]

		buf = b''
		while len(buf) < header_size:
			tmp = client.recv(header_size - len(buf))
			if len(tmp) == 0:
				return (None, None)
			buf += tmp

		headers = buf.split(b"\0")
		headers.pop() # Remove trailing "\0"
		env = {}
		i = 0
		while i < len(headers):
			env[bytes_to_str(headers[i])] = bytes_to_str(headers[i + 1])
			i += 2

		return (env, client)

	if hasattr(socket, '_fileobject'):
		def wrap_input_socket(self, sock):
			return socket._fileobject(sock, 'rb', 512)
	else:
		def wrap_input_socket(self, sock):
			return socket.socket.makefile(sock, 'rb', 512)

	def process_request(self, env, input_stream, output_stream):
		# The WSGI specification says that the input parameter object passed needs to
		# implement a few file-like methods. This is the reason why we "wrap" the socket._socket
		# into the _fileobject to solve this.
		#
		# Otherwise, the POST data won't be correctly retrieved by Django.
		#
		# See: http://www.python.org/dev/peps/pep-0333/#input-and-error-streams
		env['wsgi.input']        = self.wrap_input_socket(input_stream)
		env['wsgi.errors']       = sys.stderr
		env['wsgi.version']      = (1, 0)
		env['wsgi.multithread']  = False
		env['wsgi.multiprocess'] = True
		env['wsgi.run_once']	 = False
		if env.get('HTTPS','off') in ('on', '1', 'true', 'yes'):
			env['wsgi.url_scheme'] = 'https'
		else:
			env['wsgi.url_scheme'] = 'http'

		headers_set = []
		headers_sent = []
		is_head = env['REQUEST_METHOD'] == 'HEAD'

		def write(data):
			try:
				if not headers_set:
					raise AssertionError("write() before start_response()")
				elif not headers_sent:
					# Before the first output, send the stored headers.
					status, response_headers = headers_sent[:] = headers_set
					output_stream.sendall(str_to_bytes(
						'HTTP/1.1 %s\r\nStatus: %s\r\nConnection: close\r\n' %
						(status, status)))
					for header in response_headers:
						output_stream.sendall(str_to_bytes('%s: %s\r\n' % header))
					output_stream.sendall(b'\r\n')
				if not is_head:
					output_stream.sendall(str_to_bytes(data))
			except IOError as e:
				# Mark this exception as coming from the Phusion Passenger
				# socket and not some other socket.
				setattr(e, 'passenger', True)
				raise e

		def start_response(status, response_headers, exc_info = None):
			if exc_info:
				try:
					if headers_sent:
						# Re-raise original exception if headers sent.
						reraise_exception(exc_info)
				finally:
					# Avoid dangling circular ref.
					exc_info = None
			elif headers_set:
				raise AssertionError("Headers already set!")

			headers_set[:] = [status, response_headers]
			return write

		# Django's django.template.base module goes through all WSGI
		# environment values, and calls each value that is a callable.
		# No idea why, but we work around that with the `do_it` parameter.
		def hijack(do_it = False):
			if do_it:
				env['passenger.hijacked_socket'] = output_stream
				return output_stream

		env['passenger.hijack'] = hijack

		result = self.app(env, start_response)
		if 'passenger.hijacked_socket' in env:
			# Socket connection hijacked. Don't do anything.
			return True
		try:
			for data in result:
				# Don't send headers until body appears.
				if data:
					write(data)
			if not headers_sent:
				# Send headers now if body was empty.
				write(b'')
		finally:
			if hasattr(result, 'close'):
				result.close()
		return False

	def process_ping(self, output_stream):
		output_stream.sendall(b"pong")


if __name__ == "__main__":
	initialize_logging()
	record_journey_step_end('SUBPROCESS_EXEC_WRAPPER', 'STEP_PERFORMED')
	record_journey_step_begin('SUBPROCESS_WRAPPER_PREPARATION', 'STEP_IN_PROGRESS')
	try:
		read_startup_arguments()
	except Exception:
		record_journey_step_end('SUBPROCESS_WRAPPER_PREPARATION', 'STEP_ERRORED')
		raise
	else:
		record_journey_step_end('SUBPROCESS_WRAPPER_PREPARATION', 'STEP_PERFORMED')


	record_journey_step_begin('SUBPROCESS_APP_LOAD_OR_EXEC', 'STEP_IN_PROGRESS')
	try:
		app_module = load_app()
	except Exception:
		record_journey_step_end('SUBPROCESS_APP_LOAD_OR_EXEC', 'STEP_ERRORED')
		raise
	else:
		record_journey_step_end('SUBPROCESS_APP_LOAD_OR_EXEC', 'STEP_PERFORMED')


	record_journey_step_begin('SUBPROCESS_LISTEN', 'STEP_IN_PROGRESS')
	try:
		tuple = create_server_socket()
		assert tuple is not None
		socket_filename, server_socket = tuple
		install_signal_handlers()
		handler = RequestHandler(server_socket, sys.stdin, app_module.application)
		advertise_sockets(socket_filename)
	except Exception:
		record_journey_step_end('SUBPROCESS_LISTEN', 'STEP_ERRORED')
		raise
	else:
		record_journey_step_end('SUBPROCESS_LISTEN', 'STEP_PERFORMED')


	advertise_readiness()
	handler.main_loop()
	try:
		os.remove(socket_filename)
	except OSError:
		pass

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