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992de934 | 1 | /* |
0de390c0 KB |
2 | * Copyright (c) 1988 Regents of the University of California. |
3 | * All rights reserved. | |
992de934 | 4 | * |
0de390c0 | 5 | * Redistribution and use in source and binary forms are permitted |
b36fc510 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
992de934 | 16 | */ |
71ac803b | 17 | |
992de934 | 18 | #ifndef lint |
0de390c0 KB |
19 | char copyright[] = |
20 | "@(#) Copyright (c) 1988 Regents of the University of California.\n\ | |
21 | All rights reserved.\n"; | |
22 | #endif /* not lint */ | |
23 | ||
24 | #ifndef lint | |
d43d1075 | 25 | static char sccsid[] = "@(#)prt3270.c 4.1 (Berkeley) %G%"; |
0de390c0 | 26 | #endif /* not lint */ |
71ac803b GM |
27 | |
28 | #if defined(unix) | |
29 | #endif | |
30 | #include <stdio.h> | |
71ac803b GM |
31 | #include <ctype.h> |
32 | ||
03bae598 | 33 | #include "../general/general.h" |
e56fc5cb | 34 | |
4718d085 | 35 | #include "../api/asc_ebc.h" |
71ac803b GM |
36 | #include "../ctlr/hostctlr.h" |
37 | #include "../ctlr/screen.h" | |
906419f0 | 38 | #include "../ctlr/function.h" |
4718d085 | 39 | #include "../api/astosc.h" |
03bae598 | 40 | #include "../general/globals.h" |
71ac803b | 41 | |
906419f0 GM |
42 | #include "../ctlr/kbd.out" |
43 | ||
71ac803b GM |
44 | |
45 | int NumberColumns = 80; | |
46 | ||
47 | int direction; | |
48 | ||
49 | int column = 1; | |
50 | int indenting = 0; | |
51 | int direction = '?'; | |
52 | ||
53 | unsigned char printBuffer[200], *print = printBuffer; | |
54 | ||
55 | #define ColsLeft() (79-column) /* A little room for error */ | |
56 | ||
57 | ||
58 | void | |
59 | putSpace() | |
60 | { | |
61 | extern void Column1(); | |
62 | unsigned char *ourPrint = print; | |
63 | ||
64 | print = printBuffer; /* For mutual calls */ | |
65 | *ourPrint = 0; | |
66 | if (ColsLeft() < 0) { | |
67 | Column1(); | |
68 | } | |
69 | if (column != (indenting*8+1)) { | |
70 | putchar(' '); | |
71 | } else { | |
72 | int i; | |
73 | ||
74 | putchar(direction); | |
75 | putchar(' '); | |
76 | for (i = 0; i < indenting; i++) { | |
77 | putchar('\t'); | |
78 | } | |
79 | } | |
80 | printf("%s", printBuffer); | |
81 | column += strlen(printBuffer); | |
82 | } | |
83 | ||
84 | void | |
85 | Column1() | |
86 | { | |
87 | if (print != printBuffer) { | |
88 | putSpace(); | |
89 | } | |
90 | if (column != (indenting*8+1)) { | |
91 | putchar('\n'); | |
92 | column = indenting*8+1; | |
93 | } | |
94 | } | |
95 | ||
96 | void | |
97 | Indent() | |
98 | { | |
99 | if ((column != (indenting*8+1)) || (print != printBuffer)) { | |
100 | Column1(); | |
101 | } | |
102 | indenting++; | |
103 | column = indenting*8+1; | |
104 | } | |
105 | ||
106 | void | |
107 | Undent() | |
108 | { | |
109 | if ((column != (indenting*8+1)) || (print != printBuffer)) { | |
110 | Column1(); | |
111 | } | |
112 | indenting--; | |
113 | if (indenting < 0) { | |
114 | fflush(stdout); | |
115 | fprintf(stderr, "INTERNAL ERROR: indenting < 0.\n"); | |
116 | fflush(stderr); | |
117 | } else { | |
118 | column = indenting*8+1; | |
119 | } | |
120 | } | |
121 | ||
122 | void | |
123 | putChar(character) | |
124 | int character; | |
125 | { | |
126 | *print++ = character; | |
e993a7ea | 127 | column++; |
71ac803b GM |
128 | } |
129 | ||
130 | void | |
131 | putstr(s) | |
132 | char *s; | |
133 | { | |
134 | while (*s) { | |
135 | putChar(*s++); | |
136 | } | |
137 | } | |
138 | ||
139 | void | |
140 | put2hex(i) | |
141 | int i; | |
142 | { | |
143 | char place[40]; | |
144 | ||
145 | sprintf(place, "%02x", i); | |
146 | putstr(place); | |
147 | } | |
148 | ||
149 | ||
150 | void | |
151 | putdecimal(i) | |
152 | int i; | |
153 | { | |
154 | char place[40]; | |
155 | ||
156 | sprintf(place, "%d", i); | |
157 | putstr(place); | |
158 | } | |
159 | ||
160 | void | |
161 | puthex(i) | |
162 | int i; | |
163 | { | |
164 | char place[40]; | |
165 | ||
166 | sprintf(place, "%x", i); | |
167 | putstr(place); | |
168 | } | |
169 | ||
170 | void | |
171 | putEChar(character) | |
172 | int character; | |
173 | { | |
138011c0 | 174 | putChar(ebc_asc[character]); |
71ac803b GM |
175 | if (ColsLeft() < 10) { |
176 | Column1(); | |
177 | } | |
178 | } | |
179 | ||
180 | void | |
181 | PrintAid(i) | |
182 | int i; | |
183 | { | |
906419f0 GM |
184 | struct astosc *this; |
185 | ||
186 | for (this = &astosc[0]; this <= &astosc[highestof(astosc)]; this++) { | |
187 | if (this->function == FCN_AID) { | |
188 | int j; | |
71ac803b | 189 | |
906419f0 GM |
190 | switch (this->shiftstate) { |
191 | case 0: | |
192 | j = 0; | |
193 | break; | |
194 | case SHIFT_UPSHIFT: | |
195 | j = 1; | |
196 | break; | |
197 | case SHIFT_ALT: | |
198 | j = 2; | |
199 | break; | |
200 | case (SHIFT_UPSHIFT|SHIFT_ALT): | |
201 | j = 3; | |
202 | break; | |
203 | default: | |
204 | fprintf(stderr, "Bad shiftstate 0x%x.\n", this->shiftstate); | |
205 | exit(1); | |
206 | } | |
207 | if (hits[this->scancode].hit[j].code == i) { | |
208 | putstr(this->name); | |
209 | return; | |
210 | } | |
71ac803b GM |
211 | } |
212 | } | |
213 | ||
214 | putstr("Unknown AID 0x"); | |
215 | put2hex(i); | |
216 | } | |
217 | ||
218 | void | |
219 | PrintAddr(i) | |
220 | int i; | |
221 | { | |
222 | if (ColsLeft() < 9) { | |
223 | Column1(); | |
224 | } | |
225 | putChar('('); | |
226 | putdecimal(ScreenLine(i)); | |
227 | putChar(','); | |
228 | putdecimal(ScreenLineOffset(i)); | |
229 | putChar(')'); | |
230 | } | |
231 | ||
232 | ||
233 | /* returns the number of characters consumed */ | |
234 | int | |
235 | DataFromNetwork(buffer, count, control) | |
236 | register unsigned char *buffer; /* what the data is */ | |
237 | register int count; /* and how much there is */ | |
238 | int control; /* this buffer ended block? */ | |
239 | { | |
240 | int origCount; | |
241 | register int c; | |
242 | register int i; | |
243 | static int Command; | |
244 | static int Wcc; | |
245 | static int LastWasTerminated = 1; /* was "control" = 1 last time? */ | |
246 | ||
247 | if (count == 0) { | |
248 | Column1(); | |
249 | return 0; | |
250 | } | |
251 | ||
252 | origCount = count; | |
253 | ||
254 | if (LastWasTerminated) { | |
255 | ||
256 | if (count < 2) { | |
257 | if (count == 0) { | |
258 | fflush(stdout); | |
259 | fprintf(stderr, "Short count received from host!\n"); | |
260 | fflush(stderr); | |
261 | return(count); | |
262 | } | |
263 | Command = buffer[0]; | |
264 | switch (Command) { /* This had better be a read command */ | |
265 | case CMD_READ_MODIFIED: | |
266 | putstr("read_modified command\n"); | |
267 | break; | |
268 | case CMD_SNA_READ_MODIFIED: | |
5cc553b7 | 269 | putstr("sna_read_modified command\n"); |
71ac803b GM |
270 | break; |
271 | case CMD_SNA_READ_MODIFIED_ALL: | |
5cc553b7 | 272 | putstr("sna_read_modified_all command\n"); |
71ac803b GM |
273 | break; |
274 | case CMD_READ_BUFFER: | |
5cc553b7 | 275 | putstr("read_buffer command\n"); |
71ac803b GM |
276 | break; |
277 | case CMD_SNA_READ_BUFFER: | |
5cc553b7 | 278 | putstr("sna_read_buffer command\n"); |
71ac803b GM |
279 | break; |
280 | default: | |
281 | break; | |
282 | } | |
283 | return(1); /* We consumed everything */ | |
284 | } | |
285 | Command = buffer[0]; | |
286 | Wcc = buffer[1]; | |
287 | switch (Command) { | |
288 | case CMD_ERASE_WRITE: | |
289 | putstr("erase write command "); | |
290 | break; | |
291 | case CMD_ERASE_WRITE_ALTERNATE: | |
292 | putstr("erase write alternate command "); | |
293 | break; | |
294 | case CMD_SNA_ERASE_WRITE: | |
295 | putstr("sna erase write command "); | |
296 | break; | |
297 | case CMD_SNA_ERASE_WRITE_ALTERNATE: | |
298 | putstr("erase write alternate command "); | |
299 | break; | |
300 | case CMD_ERASE_ALL_UNPROTECTED: | |
301 | putstr("erase all unprotected command "); | |
302 | break; | |
303 | case CMD_SNA_ERASE_ALL_UNPROTECTED: | |
304 | putstr("sna erase write command "); | |
305 | break; | |
306 | case CMD_WRITE: | |
307 | putstr("write command "); | |
308 | break; | |
309 | case CMD_SNA_WRITE: | |
310 | putstr("sna write command "); | |
311 | break; | |
312 | default: | |
313 | putstr("Unexpected command code 0x"); | |
314 | puthex(Command); | |
315 | putstr(" received."); | |
316 | Column1(); | |
317 | break; | |
318 | } | |
319 | putstr("WCC is 0x"); | |
320 | puthex(Wcc); | |
321 | Column1(); | |
322 | ||
323 | count -= 2; /* strip off command and wcc */ | |
324 | buffer += 2; | |
325 | ||
326 | } | |
327 | LastWasTerminated = 0; /* then, reset at end... */ | |
328 | ||
329 | while (count) { | |
330 | count--; | |
331 | c = *buffer++; | |
332 | if (IsOrder(c)) { | |
333 | /* handle an order */ | |
334 | switch (c) { | |
335 | # define Ensure(x) if (count < x) { \ | |
336 | if (!control) { \ | |
337 | return(origCount-(count+1)); \ | |
338 | } else { \ | |
339 | /* XXX - should not occur */ \ | |
340 | count = 0; \ | |
341 | break; \ | |
342 | } \ | |
343 | } | |
344 | case ORDER_SF: | |
345 | Ensure(1); | |
346 | c = *buffer++; | |
347 | count--; | |
348 | putstr("SF (0x"); | |
349 | put2hex(c); | |
350 | putstr(") "); | |
351 | break; | |
352 | case ORDER_SBA: | |
353 | Ensure(2); | |
354 | i = buffer[0]; | |
355 | c = buffer[1]; | |
356 | buffer += 2; | |
357 | count -= 2; | |
358 | putstr("SBA to "); | |
359 | PrintAddr(Addr3270(i,c)); | |
360 | putSpace(); | |
361 | break; | |
362 | case ORDER_IC: | |
363 | putstr("IC"); | |
364 | putSpace(); | |
365 | break; | |
366 | case ORDER_PT: | |
367 | putstr("PT"); | |
368 | putSpace(); | |
369 | break; | |
370 | case ORDER_RA: | |
371 | Ensure(3); | |
372 | i = Addr3270(buffer[0], buffer[1]); | |
373 | c = buffer[2]; | |
374 | buffer += 3; | |
375 | count -= 3; | |
376 | putstr("RA to "); | |
377 | PrintAddr(i); | |
378 | putstr(" of 0x"); | |
379 | put2hex(c); | |
380 | putSpace(); | |
381 | break; | |
382 | case ORDER_EUA: /* (from [here,there), ie: half open interval] */ | |
383 | Ensure(2); | |
384 | putstr("EUA to "); | |
385 | PrintAddr(Addr3270(buffer[0], buffer[1])); | |
386 | putSpace(); | |
387 | buffer += 2; | |
388 | count -= 2; | |
389 | break; | |
390 | case ORDER_YALE: /* special YALE defined order */ | |
391 | Ensure(2); /* need at least two characters */ | |
392 | putstr("YALE order"); | |
393 | putSpace(); | |
394 | break; | |
395 | default: | |
396 | putstr("UNKNOWN ORDER: 0x"); | |
397 | put2hex(c); | |
398 | putSpace(); | |
399 | break; | |
400 | } | |
401 | if (count < 0) { | |
402 | count = 0; | |
403 | } | |
404 | } else { | |
405 | /* Data comes in large clumps - take it all */ | |
406 | putstr("DATA:"); | |
407 | Indent(); | |
408 | putEChar(c); | |
409 | c = *buffer; | |
410 | while (count && !IsOrder(c)) { | |
411 | putEChar(c); | |
412 | count--; | |
413 | buffer++; | |
414 | c = *buffer; | |
415 | } | |
416 | Undent(); | |
417 | } | |
418 | } | |
419 | LastWasTerminated = control; | |
420 | return origCount - count; | |
421 | } | |
422 | ||
423 | int | |
424 | DataToNetwork(buffer, count, control) | |
425 | unsigned char *buffer; | |
426 | int count; | |
427 | int control; | |
428 | { | |
429 | #define NEED_AID 0 | |
430 | #define JUST_GOT_AID 1 | |
431 | #define DATA 2 | |
432 | #define DATA_CONTINUE 3 | |
433 | static int state = NEED_AID; | |
434 | static int aid; | |
435 | int origCount = count; | |
436 | ||
437 | if (count == 0) { | |
438 | if (control) { | |
439 | state = NEED_AID; | |
440 | } | |
441 | Column1(); | |
442 | return 0; | |
443 | } | |
444 | ||
445 | switch (state) { | |
446 | case NEED_AID: | |
447 | aid = buffer[0]; | |
448 | buffer++; | |
449 | count--; | |
450 | PrintAid(aid); | |
451 | putSpace(); | |
906419f0 | 452 | if (aid == AID_TREQ) { |
71ac803b GM |
453 | state = DATA; |
454 | } else { | |
455 | state = JUST_GOT_AID; | |
456 | } | |
457 | return origCount - count + DataToNetwork(buffer, count, control); | |
458 | case JUST_GOT_AID: | |
459 | Ensure(2); | |
460 | PrintAddr(Addr3270(buffer[0], buffer[1])); | |
461 | putSpace(); | |
462 | buffer += 2; | |
463 | count -= 2; | |
464 | state = DATA; | |
465 | return origCount - count + DataToNetwork(buffer, count, control); | |
466 | case DATA: | |
467 | case DATA_CONTINUE: | |
468 | while (count) { | |
469 | if (*buffer == ORDER_SBA) { | |
470 | if (state == DATA_CONTINUE) { | |
471 | Undent(); | |
472 | state = DATA; | |
473 | } | |
474 | putstr("SBA "); | |
475 | PrintAddr(Addr3270(buffer[1], buffer[2])); | |
476 | putSpace(); | |
477 | buffer += 3; | |
478 | count -= 3; | |
479 | } else { | |
480 | if (state == DATA) { | |
481 | putstr("DATA:"); | |
482 | Indent(); | |
483 | state = DATA_CONTINUE; | |
484 | } | |
485 | putEChar(*buffer); | |
486 | buffer++; | |
487 | count--; | |
488 | } | |
489 | } | |
490 | if (control) { | |
491 | if (state == DATA_CONTINUE) { | |
492 | Undent(); | |
493 | } | |
494 | state = NEED_AID; | |
495 | } | |
496 | return origCount-count; | |
497 | } | |
498 | } | |
499 | ||
500 | int | |
501 | GetXValue(c) | |
502 | int c; | |
503 | { | |
504 | if (!isascii(c)) { | |
505 | fflush(stdout); | |
506 | fprintf(stderr, "Non-hex digit 0x%x.\n"); | |
507 | fflush(stderr); | |
508 | return 0; | |
509 | } else { | |
510 | if (islower(c)) { | |
511 | return (c-'a')+10; | |
512 | } else if (isupper(c)) { | |
513 | return (c-'A')+10; | |
514 | } else { | |
515 | return c-'0'; | |
516 | } | |
517 | } | |
518 | } | |
519 | ||
520 | unsigned char outbound[8192], inbound[8192], | |
521 | *outnext = outbound, *innext = inbound, *p = 0; | |
522 | ||
523 | void | |
524 | termblock(old, new, control) | |
525 | int old, | |
526 | new; /* old and new directions */ | |
527 | { | |
528 | int count; | |
529 | ||
530 | if (p) { | |
531 | if (old == '<') { | |
532 | outnext = p; | |
533 | count = DataFromNetwork(outbound, outnext-outbound, control); | |
534 | if (outbound+count == outnext) { | |
535 | outnext = outbound; | |
536 | } else { | |
e56fc5cb | 537 | memcpy(outbound, outbound+count, outnext-(outbound+count)); |
71ac803b GM |
538 | outnext = outbound+count; |
539 | } | |
540 | } else { | |
541 | innext = p; | |
542 | count = DataToNetwork(inbound, innext-inbound, control); | |
543 | if (inbound+count == innext) { | |
544 | innext = inbound; | |
545 | } else { | |
e56fc5cb | 546 | memcpy(inbound, inbound+count, innext-(inbound+count)); |
71ac803b GM |
547 | innext = inbound+count; |
548 | } | |
549 | } | |
550 | } | |
551 | if (new == '<') { | |
552 | p = outnext; | |
553 | } else if (new == '>') { | |
554 | p = innext; | |
555 | } else { | |
556 | fprintf(stderr, "Bad direction character '%c'.\n", new); | |
557 | exit(1); | |
558 | } | |
559 | } | |
560 | ||
561 | main() | |
562 | { | |
563 | int location; | |
5cc553b7 | 564 | char new; |
71ac803b GM |
565 | int c, c1; |
566 | ||
e56fc5cb | 567 | memset(Orders, 0, sizeof Orders); |
71ac803b GM |
568 | Orders[ORDER_SF] = Orders[ORDER_SBA] = Orders[ORDER_IC] |
569 | = Orders[ORDER_PT] = Orders[ORDER_RA] = Orders[ORDER_EUA] | |
570 | = Orders[ORDER_YALE] = 1; | |
571 | ||
572 | while (scanf("%c 0x%x\t", &new, &location) != EOF) { | |
573 | if (new != direction) { | |
574 | termblock(direction, new, 0); | |
575 | direction = new; | |
576 | } | |
577 | while (((c = getchar()) != EOF) && (c != '\n') && (isxdigit(c))) { | |
578 | #define NORMAL 0 | |
579 | #define GOT0XFF 0xff | |
580 | static int state = NORMAL; | |
581 | ||
582 | c1 = getchar(); | |
583 | c = (GetXValue(c) << 4) + GetXValue(c1); | |
584 | switch (state) { | |
585 | case NORMAL: | |
586 | if (c == 0xff) { | |
587 | state = GOT0XFF; | |
588 | } else { | |
589 | *p++ = c; | |
590 | } | |
591 | break; | |
592 | case GOT0XFF: | |
593 | if (c == 0xef) { | |
594 | termblock(direction, direction, 1); | |
595 | } else { | |
596 | *p++ = 0xff; | |
597 | *p++ = c; | |
598 | } | |
599 | state = NORMAL; | |
600 | } | |
601 | } | |
602 | } | |
603 | return 0; | |
604 | } |