You might also want to check out IRC xen-api on freenode
On May 21, 2013, at 1:30 PM, Nguyen Anh Tu <ng.t...@gmail.com> wrote: > Perfect, Chiradeep. Exactly what i'm looking for. How about xapi queue? > Could u send me more information about it > > Thanks :-) > > Sent from my GT-N7000 > On 22 May 2013 00:19, "Chiradeep Vittal" <chiradeep.vit...@citrix.com> > wrote: > >> Also >> http://docs.vmd.citrix.com/XenServer/4.0.1/sdk/ch04.html#id2538486 >> >> >> On 5/21/13 10:12 AM, "Chiradeep Vittal" <chiradeep.vit...@citrix.com> >> wrote: >> >>> Are you looking for information on how XAPI does async processing? >>> http://wiki.xen.org/wiki/VM_Startup >>> >>> http://wiki.xen.org/wiki/XAPI_Dispatch >>> >>> >>> On 5/21/13 1:52 AM, "Nguyen Anh Tu" <ng.t...@gmail.com> wrote: >>> >>>> no one can explain it for me? >>>> >>>> >>>> 2013/5/10 Nguyen Anh Tu <ng.t...@gmail.com> >>>> >>>>> Hi forks, >>>>> >>>>> I'm working on CS + XCP. I have a question: >>>>> >>>>> When starting VM, Async job "startvm" is sent to XCP Host via xapi. >>>>> Then >>>>> we have to wait until xapi task responses. This code here: >>>>> >>>>> void startVM(Connection conn, Host host, VM vm, String vmName) >>>>> throws >>>>> XmlRpcException { >>>>> Task task = null; >>>>> try { >>>>> * task = vm.startOnAsync(conn, host, false, true);* >>>>> try { >>>>> //poll every 1 seconds , timeout after 10 minutes >>>>> *waitForTask(conn, task, 1000, 10 * 60 * 1000);* >>>>> *checkForSuccess(conn, task);* >>>>> } catch (Types.HandleInvalid e) { >>>>> if (vm.getPowerState(conn) == >>>>> Types.VmPowerState.RUNNING) { >>>>> task = null; >>>>> return; >>>>> } >>>>> throw new CloudRuntimeException("Shutdown VM catch >>>>> HandleInvalid and VM is not in RUNNING state"); >>>>> } >>>>> } catch (XenAPIException e) { >>>>> String msg = "Unable to start VM(" + vmName + ") on host(" >>>>> + >>>>> _host.uuid +") due to " + e.toString(); >>>>> s_logger.warn(msg, e); >>>>> throw new CloudRuntimeException(msg); >>>>> }finally { >>>>> if( task != null) { >>>>> try { >>>>> task.destroy(conn); >>>>> } catch (Exception e1) { >>>>> s_logger.debug("unable to destroy task(" + >>>>> task.toString() + ") on host(" + _host.uuid +") due to " + >>>>> e1.toString()); >>>>> } >>>>> } >>>>> } >>>>> } >>>>> >>>>> Can you explain how xapi task work? How xapi queue work? When its task >>>>> responses? >>>>> >>>>> Thanks, >>>>> >>>>> -- >>>>> >>>>> N.g.U.y.e.N.A.n.H.t.U >>>>> >>>> >>>> >>>> >>>> -- >>>> >>>> N.g.U.y.e.N.A.n.H.t.U >>> >> >>
