On Thu, Jan 7, 2021 at 3:41 PM Nick Couchman <vn...@apache.org> wrote:
> On Thu, Jan 7, 2021 at 3:21 PM Marc-André Lureau < > marcandre.lur...@gmail.com> wrote: > >> Hi >> >> On Fri, Jan 8, 2021 at 12:07 AM Nick Couchman <vn...@apache.org> wrote: >> >>> Hey, everyone, >>> I'm a contributor to the Guacamole project, and am currently working on >>> adding support for the SPICE protocol to Guacamole. If you haven't heard of >>> Guacamole, it is a protocol and associated software components for making >>> various remote desktop interfaces available via native HTML5 in browsers. I >>> realize that there is already a spice-html5 client, but, for various >>> reasons, we'd like to add the SPICE support to Guacamole, as well. >>> >>> Within Guacamole, the clients for the individual protocols are >>> implemented in a daemon - guacd - that is written in C. It accesses the >>> various remote desktop protocols that we support (VNC, RDP, SSH, and >>> Telnet, today) and does the translation to the Guacamole protocol. So, I am >>> attempting to write the SPICE client for this using the spice-glib library. >>> >>> I'm running into an issue with the code I've written thus far. I've >>> followed API documentation and some code examples, and I have it to where >>> I'm configuring all of the required pieces - hostname/IP, tls-port, >>> password, etc. I've set up the handlers for the session (channel-event) and >>> for the channels. When I attempt to connect, the SPICE client starts up, >>> the session starts/connects, and I see the main channel get created, but >>> the connection never progresses after that. As far as I can tell, it >>> doesn't even try any sort of connection to the SPICE server - I don't see >>> any network traffic going to the SPICE server, and it never progresses past >>> that point. I'm not seeing any errors - nothing that indicates it's tried >>> and failed, or is expecting additional input, or anything like that. >>> >>> I'm happy to share code if anyone is interested in looking at what I've >>> done so far, or if anyone has any generic hints as to what I might check or >>> resources that are helpful in writing a C-based client for SPICE, I'd >>> greatly appreciate the insight and help. I'm sure there's something >>> reasonably simple that I'm not doing, or doing out of order, but I'm a bit >>> stumped at the moment. >>> >> >> Spice uses multiple connections which are called channels for the various >> streams. You need to get and listen for available channels on the >> SpiceSession. >> >> > Thanks for the quick response, Marc-Andre. Yes, I've got a handler that is > supposed to listen for each of the channels to be created and then add the > signal handlers for each of those channels (and connect to them, where > applicable). The main channel is the only one that I ever see get created, > after running "spice_session_connect(session)" on the SpiceSession that > gets started. I never see the Display, Cursor, Input, Playback, Record, or > WebDav channels get created. > > Just to add to this - I set the "SPICE_DEBUG" environment variable to get a little more debugging, and these are the debug messages I get: (process:129359): GSpice-DEBUG: 22:02:18.289: spice-session.c:289 New session (compiled from package spice-gtk 0.35) (process:129359): GSpice-DEBUG: 22:02:18.289: spice-session.c:293 Supported channels: main, display, inputs, cursor, playback, record, smartcard, usbredir (process:129359): GSpice-DEBUG: 22:02:18.291: spice-session.c:1774 no migration in progress (process:129359): GSpice-DEBUG: 22:02:18.291: spice-channel.c:141 main-1:0: spice_channel_constructed (process:129359): GSpice-DEBUG: 22:02:18.291: spice-session.c:2294 main-1:0: new main channel, switching And that's the last of the debug I get from SPICE - nothing more after that. I'm wading through the spice-gtk code trying to figure out the code flow there to see where it might be hanging/stopping, and what it's waiting for. -Nick >
_______________________________________________ Spice-devel mailing list Spice-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/spice-devel
