Hm, except now the thing is stalling on me when the "End of command response" IS coming back. That is when the secondary output of totarget is fed to the faninany, it isn't closing the gate and terminating things nicely. Whew this is fiddly. What am I (still) missing here? -- bc
On Fri, Oct 31, 2014 at 2:55 PM, Rob van der Heij <[email protected]> wrote: > But totarget is still supposed to write to its secondary output, so it does > not care that you sever the primary. > With the gate in front of that selection you cut the output of starmsg and > the input of totarget. That rolls up the stuff. > Rob > On Oct 31, 2014 7:51 PM, "Bob Cronin" <[email protected]> wrote: > > > I am probably missing something subtle here about how gate behaves. > > > > I have a pipeline using starmsg to issue a structured query to an rscs > > machine. It is supposed to terminate after the last line of the response > or > > 5 seconds have elapsed. Yet, it never terminated. > > > > The reason it didn't is that the RSCS machine never responded because at > > the time there was a RACF outage that affected IUCV (there was an IUCV > > error 3 on the console). > > > > As written, the pipe looked something like this: > > > > pipe (end ?) strliteral /+5/ > > | delay > > | a: faninany > > | b: gate > > ? starmsg cp smsg rscs the-query-command > > | c: totarget pick w-4;* == /End of command response/ > > | b: > > <stuff to process the response> > > ? c: > > | a: > > > > When I trace this I see the +5 being produced after 5 seconds, yet the > pipe > > does not terminate. If I restructure the pipeline as such: > > > > pipe (end ?) strliteral /+5/ > > | delay > > | a: faninany > > | b: gate > > ? starmsg cp smsg rscs the-query > > | b: > > | c: totarget pick w-4;* == /End of command response/ > > <stuff to process the response> > > ? c: > > | a: > > > > > > Then all is well, it terminates after 5 seconds when no response arrives. > > > > I'm sure this is pipelines 101, but exactly why this is happening is not > > entirely clear to me. Could someone explain? > > -- > > bc > > >
