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PACKET spool cmd (* Autor : R. Ruland *)
(* Stand : 13.08.87 *)
DEFINES
spool control password,
kill spool,
first spool,
start spool,
stop spool,
halt spool,
wait for halt :
LET error nak = 2 ,
entry line code = 23 ,
killer code = 24 ,
first code = 25 ,
start code = 26 ,
stop code = 27 ,
halt code = 28 ,
wait for halt code = 29 ;
DATASPACE VAR ds;
BOUND STRUCT (TEXT entry line, INT index, TEXT actual entries, password) VAR control msg;
BOUND TEXT VAR error msg;
INT VAR reply;
INITFLAG VAR in this task := FALSE;
BOOL VAR dialogue;
TEXT VAR control password, password;
control password := "";
PROC spool control password (TEXT CONST new password):
IF on line THEN say (""3""13""5"") FI;
disable stop;
do ("enter spool control password (""" + new password + """)");
clear error;
no do again;
cover tracks;
cover tracks (control password);
control password := new password;
END PROC spool control password;
PROC call spool (INT CONST op code, TEXT CONST name, TASK CONST spool) :
dialogue := command dialogue;
password := write password;
password CAT "/";
password CAT read password;
disable stop;
command dialogue (FALSE);
enter password (control password);
command dialogue (dialogue);
call (op code, name, spool);
command dialogue (FALSE);
enter password (password);
command dialogue (dialogue);
END PROC call spool;
PROC start spool (TASK CONST spool) :
enable stop;
call spool (halt code, "", spool);
call spool (start code, "", spool);
END PROC start spool;
PROC start spool (TASK CONST spool, INT CONST new channel) :
enable stop;
call spool (halt code, "", spool);
call spool (start code, text (new channel), spool);
END PROC start spool;
PROC stop spool (TASK CONST spool) :
call spool (stop code, "", spool);
END PROC stop spool;
PROC stop spool (TASK CONST spool, TEXT CONST deactive msg) :
call spool (stop code, deactive msg, spool);
END PROC stop spool;
PROC halt spool (TASK CONST spool) :
call spool (halt code, "", spool);
END PROC halt spool;
PROC halt spool (TASK CONST spool, TEXT CONST deactive msg) :
call spool (halt code, deactive msg, spool);
END PROC halt spool;
PROC wait for halt (TASK CONST spool) :
call spool (wait for halt code, "", spool);
END PROC wait for halt;
PROC wait for halt (TASK CONST spool, TEXT CONST deactive msg) :
call spool (wait for halt code, deactive msg, spool);
END PROC wait for halt;
PROC control spool (TASK CONST spool, INT CONST control code,
TEXT CONST question, BOOL CONST leave) :
enable stop;
initialize control msg;
WHILE valid spool entry
REP IF control question THEN control spool entry FI PER;
. initialize control msg :
IF NOT initialized (in this task) THEN ds := nilspace FI;
forget (ds); ds := nilspace; control msg := ds;
control msg. entry line := "";
control msg. password := control password;
control msg. index := 0;
say (""13""10"");
. valid spool entry :
call (spool, entry line code, ds, reply);
IF reply = error nak
THEN error msg := ds;
errorstop (error msg);
FI;
control msg. index <> 0
. control question :
say (control msg. entry line);
yes (question)
. control spool entry :
call (spool, control code, ds, reply);
IF reply = error nak
THEN error msg := ds;
errorstop (error msg);
FI;
IF leave THEN LEAVE control spool FI;
END PROC control spool;
PROC kill spool (TASK CONST spool) :
control spool (spool, killer code, " loeschen", FALSE)
END PROC kill spool;
PROC first spool (TASK CONST spool) :
control spool (spool, first code, " als erstes", TRUE)
END PROC first spool;
END PACKET spool cmd;
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