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spdylay
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python: make spdyserv.py nonblocking

This commit is contained in:
Tatsuhiro Tsujikawa 2012-08-23 01:59:21 +09:00
parent 56d53da7f6
commit edbccd9e24
1 changed files with 29 additions and 9 deletions
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38
python/spdyserv.py
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@ -9,6 +9,7 @@ import threading
import socketserver import socketserver
import ssl import ssl
import io import io
import select
import spdylay import spdylay
@ -19,8 +20,8 @@ CERT_FILE='server.crt'
def send_cb(session, data): def send_cb(session, data):
ssctrl = session.user_data ssctrl = session.user_data
ssctrl.sock.sendall(data) wlen = ssctrl.sock.send(data)
return len(data) return wlen
def read_cb(session, stream_id, length, read_ctrl, source): def read_cb(session, stream_id, length, read_ctrl, source):
data = source.read(length) data = source.read(length)
@ -66,7 +67,7 @@ def on_request_recv_cb(session, stream_id):
stctrl.data_prd = data_prd stctrl.data_prd = data_prd
nv = [(b':status', b'200 OK'), nv = [(b':status', b'200 OK'),
(b':version', b'HTTP/1.1'), (b':version', b'HTTP/1.1'),
(b'server', b'python+spdylay')] (b'server', b'python-spdylay')]
session.submit_response(stream_id, nv, data_prd) session.submit_response(stream_id, nv, data_prd)
class StreamCtrl: class StreamCtrl:
@ -86,7 +87,20 @@ class ThreadedSPDYRequestHandler(socketserver.BaseRequestHandler):
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
ctx.load_cert_chain(CERT_FILE, KEY_FILE) ctx.load_cert_chain(CERT_FILE, KEY_FILE)
ctx.set_npn_protocols(['spdy/3', 'spdy/2']) ctx.set_npn_protocols(['spdy/3', 'spdy/2'])
sock = ctx.wrap_socket(self.request, server_side=True)
sock = ctx.wrap_socket(self.request, server_side=True,
do_handshake_on_connect=False)
sock.setblocking(False)
while True:
try:
sock.do_handshake()
break
except ssl.SSLWantReadError as e:
select.select([sock], [], [])
except ssl.SSLWantWriteError as e:
select.select([], [sock], [])
if sock.selected_npn_protocol() == 'spdy/3': if sock.selected_npn_protocol() == 'spdy/3':
version = spdylay.PROTO_SPDY3 version = spdylay.PROTO_SPDY3
elif sock.selected_npn_protocol() == 'spdy/2': elif sock.selected_npn_protocol() == 'spdy/2':
@ -108,13 +122,19 @@ class ThreadedSPDYRequestHandler(socketserver.BaseRequestHandler):
[(spdylay.SETTINGS_MAX_CONCURRENT_STREAMS, [(spdylay.SETTINGS_MAX_CONCURRENT_STREAMS,
spdylay.ID_FLAG_SETTINGS_NONE, spdylay.ID_FLAG_SETTINGS_NONE,
100)]) 100)])
while session.want_read() or session.want_write(): while session.want_read() or session.want_write():
data = sock.recv(4096) try:
if data: data = sock.recv(4096)
session.recv(data) if data:
session.recv(data)
else:
break
session.send() session.send()
else: except ssl.SSLWantReadError:
break select.select([sock], [], [])
except ssl.SSLWantWriteError:
select.select([], [sock], [])
class ThreadedSPDYServer(socketserver.ThreadingMixIn, socketserver.TCPServer): class ThreadedSPDYServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
def __init__(self, svaddr, handler): def __init__(self, svaddr, handler):