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Diffstat (limited to 'system/multiuser/1.7.5/src/canal')
| -rw-r--r-- | system/multiuser/1.7.5/src/canal | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/system/multiuser/1.7.5/src/canal b/system/multiuser/1.7.5/src/canal new file mode 100644 index 0000000..ad0baa8 --- /dev/null +++ b/system/multiuser/1.7.5/src/canal @@ -0,0 +1,227 @@ +(* ------------------- VERSION 6 20.05.86 ------------------- *) +PACKET canal DEFINES (* Autor: J.Liedtke *) + + analyze supervisor command : + + + +LET command list = + +"begin:1.12end:3.0break:4.0continue:5.01halt:7.0 +taskinfo:8.0storageinfo:9.0help:10.0 ", + + supervisor command text = + +""6""20""1"ESC ? --> help +"6""21""1"ESC b --> begin ("""") +"6""22""1"ESC c --> continue ("""") +"6""23""1"ESC q --> break +"6""21""50"ESC h --> halt +"6""22""50"ESC s --> storage info +"6""23""50"ESC t --> task info +"6""8""6"gib supervisor kommando :" , + + text type = 4 , + ack = 0 , + error nak = 2 , + begin code = 4 , + end code = 5 , + break code = 6 , + halt code = 8 , + password code = 9 , + continue code = 100 , + + home = ""1"" ; + + +TASK VAR sv ; + +DATASPACE VAR ds ; + +BOUND STRUCT (TEXT tname, tpass, TASK task, PROCA start proc) VAR sv msg ; +BOUND TEXT VAR error msg ; + +INT VAR command index , number of params , reply ; +TEXT VAR param 1, param 2 , task password ; + + + lernsequenz auf taste legen ("b", ""1""8""1""12"begin ("""")"8""8""11"") ; + lernsequenz auf taste legen ("c", ""1""8""1""12"continue ("""")"8""8""11"") ; + lernsequenz auf taste legen ("q", ""1""8""1""12"break"13"") ; + lernsequenz auf taste legen ("h", ""1""8""1""12"halt"13"") ; + lernsequenz auf taste legen ("s", ""1""8""1""12"storage info"13"") ; + lernsequenz auf taste legen ("t", ""1""8""1""12"task info"13"") ; + lernsequenz auf taste legen ("?", ""1""8""1""12"help"13"") ; + +PROC analyze supervisor command : + + disable stop ; + sv := supervisor ; + ds := nilspace ; + REP + command dialogue (TRUE) ; + command pre ; + cry if not enough storage ; + get command (supervisor command text) ; + analyze command (command list, text type, + command index, number of params, + param1, param2) ; + execute command ; + PER . + +command pre : + IF NOT is error + THEN wait for terminal; eumel must advertise + ELSE forget (ds) ; ds := nilspace + FI . + +wait for terminal : + out (home) . + +cry if not enough storage : + INT VAR size, used ; + storage (size, used) ; + IF used > size + THEN out (""7"Speicher Engpass!"13""10"") ; + FI . + +ENDPROC analyze supervisor command ; + +PROC execute command : + + enable stop ; + SELECT command index OF + CASE 1 : begin ("PUBLIC") + CASE 2 : begin (param2) + CASE 3 : end via canal + CASE 4 : break + CASE 5 : quiet + CASE 6 : continue (param1) + CASE 7 : halt + CASE 8 : task info (0); eumel must advertise; quiet + CASE 9 : storage info; quiet + CASE 10 : help; eumel must advertise; quiet + OTHERWISE analyze command error + ENDSELECT ; + IF reply = error nak + THEN error msg := ds ; + errorstop (CONCR (error msg)) + FI . + +end via canal : + IF yes ("Task """ + name (task (channel (myself))) + """ loeschen") + THEN eumel must advertise ; + call (sv, end code, ds, reply) + FI . + +break : + eumel must advertise ; + call (sv, break code, ds, reply) . + +halt : + call (sv, halt code, ds, reply) . + +quiet : + call (sv, ack, ds, reply) . + +analyze command error : + command error ; + IF command index = 0 + THEN errorstop ("kein supervisor kommando") + ELIF number of params = 0 + THEN errorstop ("Taskname fehlt") + ELSE errorstop ("Parameter ueberfluessig") + FI . + +ENDPROC execute command ; + +PROC begin (TEXT CONST father name) : + + IF param1 = "-" + THEN errorstop ("Name ungueltig") + FI ; + sv msg := ds ; + CONCR (sv msg).tname := param1 ; + CONCR (sv msg).tpass := "" ; + call (task (father name), begin code, ds, reply) ; + IF reply = password code + THEN get password ; + sv msg := ds ; + CONCR (sv msg).tpass := task password ; + call (task (father name), begin code, ds, reply) + FI ; + IF reply = ack + THEN continue (param1) + FI . + +get password : + put (" Passwort:") ; + get secret line (task password) . + +ENDPROC begin ; + +PROC continue (TEXT CONST task name) : + + sv msg := ds ; + CONCR (sv msg).tname := task name ; + CONCR (sv msg).tpass := "" ; + call (sv, continue code + channel, ds, reply) ; + IF reply = password code + THEN get password ; + sv msg := ds ; + CONCR (sv msg).tpass := task password ; + call (sv, continue code + channel, ds, reply) + FI . + +get password : + put (" Passwort:") ; + get secret line (task password) . + +ENDPROC continue ; + +PROC help: + + LET page = ""1""4"" + ,bell = ""7"" + ,cr = ""13"" + ,end mark = ""14"" + ,begin mark = ""15"" + ,esc = ""27"" + ; + + REP + out (page) ; + show page ; + UNTIL is quit command PER . + + show page : + putline(begin mark + (31 * ".") + " supervisor help " + (31 * ".") + end mark) ; + putline("Hier finden Sie einige Kommandos, die Ihnen den Einstieg ins System er -") ; + putline("leichtern sollen:") ; + out(""6""05""07"1. Informations-Kommandos") ; + out(""6""07""11"storage info physisch belegten Hintergrundplatz melden") ; + out(""6""08""11"task info Taskbaum zeigen") ; + out(""6""14""07"2. Verbindung zum Supervisor") ; + out(""6""16""11"break Task vom Terminal abkoppeln") ; + out(""6""17""11"begin(""task"") neue Task `task` einrichten") ; + out(""6""18""11"continue(""task"") Task `task` an ein Terminal ankoppeln") ; + out(""6""21""01"Näheres: Benutzerhandbuch, Teil 2, Kap. 2") ; + out(""6""23""05"Wenn Sie den Hilfe-Modus beenden wollen, tippen Sie die Taste `q`. ") ; + out(cr) . + + is quit command : + TEXT VAR char ; + get char (char) ; + IF char = esc + THEN get char (char) + FI; + IF char = "q" COR char = "Q" + THEN true + ELSE out (bell); + FALSE + FI. + +END PROC help ; + +ENDPACKET canal ; + |