Package: python-autobahn Version: 0.14.1+dfsg1-2 Severity: important Dear Maintainer,
Under stretch, when using autobahn.twisted.resource.WebSocketResource no onMessage is received. This is a known upstream issue https://github.com/crossbario/autobahn-python/issues/701 Several commits has been made to fix it. Here the git diff for the patch from https://github.com/crossbario/autobahn-python.git (which has been successfully been tested): git diff v0.14.1..64693e4693eeeda50bc781bdce4d4dba3172ebf5 -- autobahn/twisted/resource.py diff --git a/autobahn/twisted/resource.py b/autobahn/twisted/resource.py index 79d979f4..cb3b7b23 100644 --- a/autobahn/twisted/resource.py +++ b/autobahn/twisted/resource.py @@ -126,7 +126,7 @@ class WebSocketResource(object): # Take over the transport from Twisted Web # - transport, request.transport = request.transport, None + transport, request.channel.transport = request.channel.transport, None # Connect the transport to our protocol. Once #3204 is fixed, there # may be a cleaner way of doing this. @@ -139,6 +139,12 @@ class WebSocketResource(object): transport.protocol = protocol protocol.makeConnection(transport) + # On Twisted 16.3.0+, the transport is paused whilst the existing + # request is served; there won't be any requests after us so we can + # just resume this ourselves. + if hasattr(transport, "resumeProducing"): + transport.resumeProducing() + # We recreate the request and forward the raw data. This is somewhat # silly (since Twisted Web already did the HTTP request parsing # which we will do a 2nd time), but it's totally non-invasive to our -- System Information: Debian Release: 9.0 APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 4.9.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages python-autobahn depends on: ii python-cbor 0.1.24-1+b1 ii python-concurrent.futures 3.0.5-3 ii python-lz4 0.8.2+dfsg-2 ii python-msgpack 0.4.8-1 ii python-nacl 1.0.1-2 ii python-qrcode 5.3-1 ii python-six 1.10.0-3 ii python-snappy 0.5-1.1 ii python-trollius 2.1~b1-4 ii python-twisted 16.6.0-2 ii python-txaio 2.5.1+2016.10.03.git.623ef68776-1 ii python-zope.interface 4.3.2-1 pn python:any <none> python-autobahn recommends no packages. python-autobahn suggests no packages. -- no debconf information With best regards, Philippe Goetz Siemens AG Building Technologies Division Solution and Service Portfolio Danger Management System BT SSP SOL R&D CI DMS Siemensallee 84 76187 Karlsruhe, Germany mailto:philippe.go...@siemens.com Siemens Aktiengesellschaft: Chairman of the Supervisory Board: Gerhard Cromme; Managing Board: Joe Kaeser, Chairman, President and Chief Executive Officer; Roland Busch, Lisa Davis, Klaus Helmrich, Janina Kugel, Cedrik Neike, Michael Sen, Ralf P. Thomas; Registered offices: Berlin and Munich, Germany; Commercial registries: Berlin Charlottenburg, HRB 12300, Munich, HRB 6684; WEEE-Reg.-No. DE 23691322