X-Git-Url: https://git.hcoop.net/hcoop/domtool2.git/blobdiff_plain/e0b0abd209a1ecbd9266cfcf8735af171f96869b..7045a49957813a49569a9260753d8e60520e48c2:/src/slave.sml diff --git a/src/slave.sml b/src/slave.sml index 4e44a8b..719b417 100644 --- a/src/slave.sml +++ b/src/slave.sml @@ -29,7 +29,7 @@ type file_status = {action : file_action, domain : string, dir : string, file : string} - + val fileHandler = ref (fn _ : file_status => ()) val preHandler = ref (fn () => ()) val postHandler = ref (fn () => ()) @@ -56,7 +56,12 @@ fun registerPostHandler handler = end fun handleChanges fs = (!preHandler (); - app (!fileHandler) fs; + app (fn recd as {action, file, ...} => + (!fileHandler recd; + if action = Delete andalso Posix.FileSys.access (file, []) then + OS.FileSys.remove file + else + ())) fs; !postHandler ()) fun shell ss = OS.Process.isSuccess (OS.Process.system (String.concat ss)) @@ -71,6 +76,15 @@ fun shellF (ss, msg) = ErrorMsg.error NONE (msg s) end +fun hostname () = + let + val inf = TextIO.openIn "/etc/hostname" + in + case TextIO.inputLine inf of + NONE => (TextIO.closeIn inf; raise Fail "No line in /etc/hostname") + | SOME line => (TextIO.closeIn inf; String.substring (line, 0, size line - 1)) + end + fun concatTo p fname = let fun visitDir dname = @@ -98,7 +112,7 @@ fun concatTo p fname = end in TextIO.closeOut (TextIO.openOut fname); - visitDir Config.resultRoot + visitDir (OS.Path.joinDirFile {dir = Config.resultRoot, file = hostname ()}) end fun enumerateTo p sep fname = @@ -141,7 +155,29 @@ fun enumerateTo p sep fname = loop () end in - visitDir Config.resultRoot; + visitDir (OS.Path.joinDirFile {dir = Config.resultRoot, file = hostname ()}); + TextIO.closeOut outf + end + +fun readList fname = + let + val inf = TextIO.openIn fname + + fun loop acc = + case TextIO.inputLine inf of + NONE => rev acc + | SOME line => loop (String.substring (line, 0, size line - 1) :: acc) + in + loop [] + before TextIO.closeIn inf + end + +fun writeList (fname, ls) = + let + val outf = TextIO.openOut fname + in + app (fn s => (TextIO.output (outf, s); + TextIO.output1 (outf, #"\n"))) ls; TextIO.closeOut outf end