X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=dirwatcher.ml;h=810b2bc64f7464d7ee25746ea741c51359fdb537;hb=39cd5ff0d06a1162c399ec09e12719813d6d64e4;hp=41310238ae7a07250e9b4710a039114964f15d2d;hpb=16c8bb31dd971b7fab00dbb17a75bb08cee463c6;p=vsys.git diff --git a/dirwatcher.ml b/dirwatcher.ml index 4131023..810b2bc 100644 --- a/dirwatcher.ml +++ b/dirwatcher.ml @@ -20,35 +20,32 @@ let rec list_check lst elt = let handle_dir_event dirname evlist str = let fname = String.concat "/" [dirname;str] in - fprintf logfd "File: %s. " fname;List.iter - (fun e -> - fprintf logfd "Event: %s\n" (string_of_event e)) - evlist; - flush logfd + logprint "File: %s. " fname; + List.iter + (fun e -> + logprint "Event: %s\n" (string_of_event e)) + evlist let add_watch dir events handler = - let evcheck = list_check events in - let oneshot = if (evcheck S_Oneshot) then true else false - in let wd = Inotify.add_watch fd dir events in - Hashtbl.add masks dir (wd,handler); - Hashtbl.add wdmap wd (dir,Some(handler),oneshot) + Hashtbl.add wdmap wd (dir,Some(handler)) + (* Ignore the possibility that the whole directory can disappear and come + * back while it is masked *) -let mask_watch dir = +let mask_watch fqp = try - let wd,_ = Hashtbl.find masks dir in - Inotify.rm_watch fd wd; - Hashtbl.remove wdmap wd + Hashtbl.replace masks fqp true with _ -> () -let unmask_watch dir events = - let _,handler = Hashtbl.find masks dir in - try - Hashtbl.remove masks dir; - add_watch dir events handler - with Not_found -> () - +let unmask_watch fqp = + if (Hashtbl.mem masks fqp) then + begin + Hashtbl.remove masks fqp + end + else + logprint "WARNING: %s -- Unpaired unmask\n" fqp + let asciiz s = let rec findfirstnul str idx len = if ((idx==len) || @@ -65,19 +62,28 @@ let receive_event (eventdescriptor:fname_and_fd) (bla:fname_and_fd) = List.iter (fun x-> match x with | (wd,evlist,_,Some(str)) -> - let purestr = asciiz(str) in - let (dirname,handler,oneshot) = - try Hashtbl.find wdmap wd with Not_found->("",None,false) - in - printf "Received event: %s " dirname; - List.iter (fun l->printf "%s " (string_of_event l)) evlist; - printf "\n";flush Pervasives.stdout; - if (oneshot) then Hashtbl.remove wdmap wd; - ( - match handler with - | None->fprintf logfd "Unhandled watch descriptor\n";flush logfd - | Some(handler)->handler wd dirname evlist purestr - ) + begin + let purestr = asciiz(str) in + let (dirname,handler) = + try Hashtbl.find wdmap wd with Not_found->("",None) + in + match handler with + | None->logprint "Unhandled watch descriptor\n" + | Some(handler)-> + let fqp = String.concat "/" [dirname;purestr] in + let mask_filter = Hashtbl.mem masks fqp in + begin + if ((not mask_filter)) then + begin + (*logprint "Received event for - %s\n" + fqp;*) + handler wd dirname evlist + purestr + end + else + unmask_watch fqp + end + end | _ -> ()) evs