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POConnecting to dbus over tcp
 

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    <p>I wrote a simple python program to play and pause banshee music player. While its working on my own machine, I have trouble doing it to a remote computer, connected to the same router (LAN). I edited the session.conf of the remote machine, to add this line:</p> <pre><code>&lt;listen&gt;tcp:host=localhost,port=12434&lt;/listen&gt; </code></pre> <p>and here is my program:</p> <pre><code> import dbus bus_obj=dbus.bus.BusConnection("tcp:host=localhost,port=12434") proxy_object=bus_obj.get_object('org.bansheeproject.Banshee', '/org/bansheeproject/Banshee/PlayerEngine') playerengine_iface=dbus.Interface(proxy_object, dbus_interface='org.bansheeproject.Banshee.PlayerEngine') var=0 while (var!="3"): var=raw_input("\nPress\n1 to play\n2 to pause\n3 to exit\n") if var=="1": print "playing..." playerengine_iface.Play() elif var=="2": print "pausing" playerengine_iface.Pause() </code></pre> <p>This is what i get when i try to execute it</p> <pre><code>Traceback (most recent call last): File "dbus3.py", line 4, in &lt;module&gt; bus_obj=dbus.bus.BusConnection("tcp:host=localhost,port=12434") File "/usr/lib/python2.7/dist-packages/dbus/bus.py", line 125, in __new__ bus = cls._new_for_bus(address_or_type, mainloop=mainloop) dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoServer: Failed to connect to socket "localhost:12434" Connection refused </code></pre> <p>What am I doing wrong here? should i edit /usr/lib/python2.7/dist-packages/dbus/bus.py</p> <p>UPDATE:</p> <p>ok, here is the deal when i add </p> <pre><code>&lt;listen&gt;tcp:host=192.168.1.7,port=12434&lt;/listen&gt; </code></pre> <p>to to /etc/dbus-1/session.conf, then reboot, hoping it would start listening on reboot, It never boots. It gets stuck on loading screen and occasionally, a black screen with the following text flashes:</p> <pre><code>Pulseaudio Configured For Per-user Sessions Saned Disabled;edit/etc/default/saned </code></pre> <p>so, when i go ctrl+alt+f1 , change session.conf to original state and reboot, it boots properly.</p> <p>Whats all that about? How can I make dbus daemon listen for tcp connections, without encountering problems?</p>
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    1. COiptables rules?
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    2. COdefault (ubuntu). Sorry, i have close to zero knowledge when it comes to networking, should i configure the iptable to allow the connection? I thought iptable allows everything by default
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    3. COUseful network commands: `netstat -na`, `lsof -ni`, `tcpdump -n -i eth0` and `iptables -nvL`. I think using a combination of those will tell you if your process is listening at all and if yes if it's somehow blocked. Good Luck!
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