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do not log WindowUpdateFrame frames

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This commit is contained in:
Thomas Kriechbaumer 2015-08-31 22:20:12 +02:00
parent 481cc6ea84
commit c4d6b35726
1 changed files with 10 additions and 2 deletions
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12
libmproxy/protocol/http.py
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@ -7,6 +7,7 @@ from netlib import odict
from netlib.tcp import NetLibError, Address from netlib.tcp import NetLibError, Address
from netlib.http.http1 import HTTP1Protocol from netlib.http.http1 import HTTP1Protocol
from netlib.http.http2 import HTTP2Protocol from netlib.http.http2 import HTTP2Protocol
from netlib.http.http2.frame import WindowUpdateFrame
from .. import utils from .. import utils
from ..exceptions import InvalidCredentials, HttpException, ProtocolException from ..exceptions import InvalidCredentials, HttpException, ProtocolException
@ -187,8 +188,15 @@ class Http2Layer(_HttpLayer):
layer = HttpLayer(self, self.mode) layer = HttpLayer(self, self.mode)
layer() layer()
def handle_unexpected_frame(self, frm): def handle_unexpected_frame(self, frame):
self.log("Unexpected HTTP2 Frame: %s" % frm.human_readable(), "info") if isinstance(frame, WindowUpdateFrame):
# Clients are sending WindowUpdate frames depending on their flow control algorithm.
# Since we cannot predict these frames, and we do not need to respond to them,
# simply accept them, and hide them from the log.
# Ideally we should keep track of our own flow control window and
# stall transmission if the outgoing flow control buffer is full.
return
self.log("Unexpected HTTP2 Frame: %s" % frame.human_readable(), "info")
class ConnectServerConnection(object): class ConnectServerConnection(object):