Commit | Line | Data |
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71ac803b GM |
1 | #ifndef lint |
2 | static char sccsid[] = "@(#)prt3270.c 3.1 10/29/86"; | |
3 | #endif /* ndef lint */ | |
4 | ||
5 | ||
6 | #if defined(unix) | |
7 | #endif | |
8 | #include <stdio.h> | |
71ac803b GM |
9 | #include <ctype.h> |
10 | ||
03bae598 | 11 | #include "../general/general.h" |
e56fc5cb | 12 | |
138011c0 | 13 | #include "../apilib/asc_ebc.h" |
71ac803b GM |
14 | #include "../ctlr/hostctlr.h" |
15 | #include "../ctlr/screen.h" | |
906419f0 | 16 | #include "../ctlr/function.h" |
138011c0 | 17 | #include "../apilib/astosc.h" |
03bae598 | 18 | #include "../general/globals.h" |
71ac803b | 19 | |
906419f0 GM |
20 | #include "../ctlr/kbd.out" |
21 | ||
71ac803b GM |
22 | |
23 | int NumberColumns = 80; | |
24 | ||
25 | int direction; | |
26 | ||
27 | int column = 1; | |
28 | int indenting = 0; | |
29 | int direction = '?'; | |
30 | ||
31 | unsigned char printBuffer[200], *print = printBuffer; | |
32 | ||
33 | #define ColsLeft() (79-column) /* A little room for error */ | |
34 | ||
35 | ||
36 | void | |
37 | putSpace() | |
38 | { | |
39 | extern void Column1(); | |
40 | unsigned char *ourPrint = print; | |
41 | ||
42 | print = printBuffer; /* For mutual calls */ | |
43 | *ourPrint = 0; | |
44 | if (ColsLeft() < 0) { | |
45 | Column1(); | |
46 | } | |
47 | if (column != (indenting*8+1)) { | |
48 | putchar(' '); | |
49 | } else { | |
50 | int i; | |
51 | ||
52 | putchar(direction); | |
53 | putchar(' '); | |
54 | for (i = 0; i < indenting; i++) { | |
55 | putchar('\t'); | |
56 | } | |
57 | } | |
58 | printf("%s", printBuffer); | |
59 | column += strlen(printBuffer); | |
60 | } | |
61 | ||
62 | void | |
63 | Column1() | |
64 | { | |
65 | if (print != printBuffer) { | |
66 | putSpace(); | |
67 | } | |
68 | if (column != (indenting*8+1)) { | |
69 | putchar('\n'); | |
70 | column = indenting*8+1; | |
71 | } | |
72 | } | |
73 | ||
74 | void | |
75 | Indent() | |
76 | { | |
77 | if ((column != (indenting*8+1)) || (print != printBuffer)) { | |
78 | Column1(); | |
79 | } | |
80 | indenting++; | |
81 | column = indenting*8+1; | |
82 | } | |
83 | ||
84 | void | |
85 | Undent() | |
86 | { | |
87 | if ((column != (indenting*8+1)) || (print != printBuffer)) { | |
88 | Column1(); | |
89 | } | |
90 | indenting--; | |
91 | if (indenting < 0) { | |
92 | fflush(stdout); | |
93 | fprintf(stderr, "INTERNAL ERROR: indenting < 0.\n"); | |
94 | fflush(stderr); | |
95 | } else { | |
96 | column = indenting*8+1; | |
97 | } | |
98 | } | |
99 | ||
100 | void | |
101 | putChar(character) | |
102 | int character; | |
103 | { | |
104 | *print++ = character; | |
e993a7ea | 105 | column++; |
71ac803b GM |
106 | } |
107 | ||
108 | void | |
109 | putstr(s) | |
110 | char *s; | |
111 | { | |
112 | while (*s) { | |
113 | putChar(*s++); | |
114 | } | |
115 | } | |
116 | ||
117 | void | |
118 | put2hex(i) | |
119 | int i; | |
120 | { | |
121 | char place[40]; | |
122 | ||
123 | sprintf(place, "%02x", i); | |
124 | putstr(place); | |
125 | } | |
126 | ||
127 | ||
128 | void | |
129 | putdecimal(i) | |
130 | int i; | |
131 | { | |
132 | char place[40]; | |
133 | ||
134 | sprintf(place, "%d", i); | |
135 | putstr(place); | |
136 | } | |
137 | ||
138 | void | |
139 | puthex(i) | |
140 | int i; | |
141 | { | |
142 | char place[40]; | |
143 | ||
144 | sprintf(place, "%x", i); | |
145 | putstr(place); | |
146 | } | |
147 | ||
148 | void | |
149 | putEChar(character) | |
150 | int character; | |
151 | { | |
138011c0 | 152 | putChar(ebc_asc[character]); |
71ac803b GM |
153 | if (ColsLeft() < 10) { |
154 | Column1(); | |
155 | } | |
156 | } | |
157 | ||
158 | void | |
159 | PrintAid(i) | |
160 | int i; | |
161 | { | |
906419f0 GM |
162 | struct astosc *this; |
163 | ||
164 | for (this = &astosc[0]; this <= &astosc[highestof(astosc)]; this++) { | |
165 | if (this->function == FCN_AID) { | |
166 | int j; | |
71ac803b | 167 | |
906419f0 GM |
168 | switch (this->shiftstate) { |
169 | case 0: | |
170 | j = 0; | |
171 | break; | |
172 | case SHIFT_UPSHIFT: | |
173 | j = 1; | |
174 | break; | |
175 | case SHIFT_ALT: | |
176 | j = 2; | |
177 | break; | |
178 | case (SHIFT_UPSHIFT|SHIFT_ALT): | |
179 | j = 3; | |
180 | break; | |
181 | default: | |
182 | fprintf(stderr, "Bad shiftstate 0x%x.\n", this->shiftstate); | |
183 | exit(1); | |
184 | } | |
185 | if (hits[this->scancode].hit[j].code == i) { | |
186 | putstr(this->name); | |
187 | return; | |
188 | } | |
71ac803b GM |
189 | } |
190 | } | |
191 | ||
192 | putstr("Unknown AID 0x"); | |
193 | put2hex(i); | |
194 | } | |
195 | ||
196 | void | |
197 | PrintAddr(i) | |
198 | int i; | |
199 | { | |
200 | if (ColsLeft() < 9) { | |
201 | Column1(); | |
202 | } | |
203 | putChar('('); | |
204 | putdecimal(ScreenLine(i)); | |
205 | putChar(','); | |
206 | putdecimal(ScreenLineOffset(i)); | |
207 | putChar(')'); | |
208 | } | |
209 | ||
210 | ||
211 | /* returns the number of characters consumed */ | |
212 | int | |
213 | DataFromNetwork(buffer, count, control) | |
214 | register unsigned char *buffer; /* what the data is */ | |
215 | register int count; /* and how much there is */ | |
216 | int control; /* this buffer ended block? */ | |
217 | { | |
218 | int origCount; | |
219 | register int c; | |
220 | register int i; | |
221 | static int Command; | |
222 | static int Wcc; | |
223 | static int LastWasTerminated = 1; /* was "control" = 1 last time? */ | |
224 | ||
225 | if (count == 0) { | |
226 | Column1(); | |
227 | return 0; | |
228 | } | |
229 | ||
230 | origCount = count; | |
231 | ||
232 | if (LastWasTerminated) { | |
233 | ||
234 | if (count < 2) { | |
235 | if (count == 0) { | |
236 | fflush(stdout); | |
237 | fprintf(stderr, "Short count received from host!\n"); | |
238 | fflush(stderr); | |
239 | return(count); | |
240 | } | |
241 | Command = buffer[0]; | |
242 | switch (Command) { /* This had better be a read command */ | |
243 | case CMD_READ_MODIFIED: | |
244 | putstr("read_modified command\n"); | |
245 | break; | |
246 | case CMD_SNA_READ_MODIFIED: | |
247 | putstr("read_modified command\n"); | |
248 | break; | |
249 | case CMD_SNA_READ_MODIFIED_ALL: | |
250 | putstr("read_modified command\n"); | |
251 | break; | |
252 | case CMD_READ_BUFFER: | |
253 | putstr("read_modified command\n"); | |
254 | break; | |
255 | case CMD_SNA_READ_BUFFER: | |
256 | putstr("read_modified command\n"); | |
257 | break; | |
258 | default: | |
259 | break; | |
260 | } | |
261 | return(1); /* We consumed everything */ | |
262 | } | |
263 | Command = buffer[0]; | |
264 | Wcc = buffer[1]; | |
265 | switch (Command) { | |
266 | case CMD_ERASE_WRITE: | |
267 | putstr("erase write command "); | |
268 | break; | |
269 | case CMD_ERASE_WRITE_ALTERNATE: | |
270 | putstr("erase write alternate command "); | |
271 | break; | |
272 | case CMD_SNA_ERASE_WRITE: | |
273 | putstr("sna erase write command "); | |
274 | break; | |
275 | case CMD_SNA_ERASE_WRITE_ALTERNATE: | |
276 | putstr("erase write alternate command "); | |
277 | break; | |
278 | case CMD_ERASE_ALL_UNPROTECTED: | |
279 | putstr("erase all unprotected command "); | |
280 | break; | |
281 | case CMD_SNA_ERASE_ALL_UNPROTECTED: | |
282 | putstr("sna erase write command "); | |
283 | break; | |
284 | case CMD_WRITE: | |
285 | putstr("write command "); | |
286 | break; | |
287 | case CMD_SNA_WRITE: | |
288 | putstr("sna write command "); | |
289 | break; | |
290 | default: | |
291 | putstr("Unexpected command code 0x"); | |
292 | puthex(Command); | |
293 | putstr(" received."); | |
294 | Column1(); | |
295 | break; | |
296 | } | |
297 | putstr("WCC is 0x"); | |
298 | puthex(Wcc); | |
299 | Column1(); | |
300 | ||
301 | count -= 2; /* strip off command and wcc */ | |
302 | buffer += 2; | |
303 | ||
304 | } | |
305 | LastWasTerminated = 0; /* then, reset at end... */ | |
306 | ||
307 | while (count) { | |
308 | count--; | |
309 | c = *buffer++; | |
310 | if (IsOrder(c)) { | |
311 | /* handle an order */ | |
312 | switch (c) { | |
313 | # define Ensure(x) if (count < x) { \ | |
314 | if (!control) { \ | |
315 | return(origCount-(count+1)); \ | |
316 | } else { \ | |
317 | /* XXX - should not occur */ \ | |
318 | count = 0; \ | |
319 | break; \ | |
320 | } \ | |
321 | } | |
322 | case ORDER_SF: | |
323 | Ensure(1); | |
324 | c = *buffer++; | |
325 | count--; | |
326 | putstr("SF (0x"); | |
327 | put2hex(c); | |
328 | putstr(") "); | |
329 | break; | |
330 | case ORDER_SBA: | |
331 | Ensure(2); | |
332 | i = buffer[0]; | |
333 | c = buffer[1]; | |
334 | buffer += 2; | |
335 | count -= 2; | |
336 | putstr("SBA to "); | |
337 | PrintAddr(Addr3270(i,c)); | |
338 | putSpace(); | |
339 | break; | |
340 | case ORDER_IC: | |
341 | putstr("IC"); | |
342 | putSpace(); | |
343 | break; | |
344 | case ORDER_PT: | |
345 | putstr("PT"); | |
346 | putSpace(); | |
347 | break; | |
348 | case ORDER_RA: | |
349 | Ensure(3); | |
350 | i = Addr3270(buffer[0], buffer[1]); | |
351 | c = buffer[2]; | |
352 | buffer += 3; | |
353 | count -= 3; | |
354 | putstr("RA to "); | |
355 | PrintAddr(i); | |
356 | putstr(" of 0x"); | |
357 | put2hex(c); | |
358 | putSpace(); | |
359 | break; | |
360 | case ORDER_EUA: /* (from [here,there), ie: half open interval] */ | |
361 | Ensure(2); | |
362 | putstr("EUA to "); | |
363 | PrintAddr(Addr3270(buffer[0], buffer[1])); | |
364 | putSpace(); | |
365 | buffer += 2; | |
366 | count -= 2; | |
367 | break; | |
368 | case ORDER_YALE: /* special YALE defined order */ | |
369 | Ensure(2); /* need at least two characters */ | |
370 | putstr("YALE order"); | |
371 | putSpace(); | |
372 | break; | |
373 | default: | |
374 | putstr("UNKNOWN ORDER: 0x"); | |
375 | put2hex(c); | |
376 | putSpace(); | |
377 | break; | |
378 | } | |
379 | if (count < 0) { | |
380 | count = 0; | |
381 | } | |
382 | } else { | |
383 | /* Data comes in large clumps - take it all */ | |
384 | putstr("DATA:"); | |
385 | Indent(); | |
386 | putEChar(c); | |
387 | c = *buffer; | |
388 | while (count && !IsOrder(c)) { | |
389 | putEChar(c); | |
390 | count--; | |
391 | buffer++; | |
392 | c = *buffer; | |
393 | } | |
394 | Undent(); | |
395 | } | |
396 | } | |
397 | LastWasTerminated = control; | |
398 | return origCount - count; | |
399 | } | |
400 | ||
401 | int | |
402 | DataToNetwork(buffer, count, control) | |
403 | unsigned char *buffer; | |
404 | int count; | |
405 | int control; | |
406 | { | |
407 | #define NEED_AID 0 | |
408 | #define JUST_GOT_AID 1 | |
409 | #define DATA 2 | |
410 | #define DATA_CONTINUE 3 | |
411 | static int state = NEED_AID; | |
412 | static int aid; | |
413 | int origCount = count; | |
414 | ||
415 | if (count == 0) { | |
416 | if (control) { | |
417 | state = NEED_AID; | |
418 | } | |
419 | Column1(); | |
420 | return 0; | |
421 | } | |
422 | ||
423 | switch (state) { | |
424 | case NEED_AID: | |
425 | aid = buffer[0]; | |
426 | buffer++; | |
427 | count--; | |
428 | PrintAid(aid); | |
429 | putSpace(); | |
906419f0 | 430 | if (aid == AID_TREQ) { |
71ac803b GM |
431 | state = DATA; |
432 | } else { | |
433 | state = JUST_GOT_AID; | |
434 | } | |
435 | return origCount - count + DataToNetwork(buffer, count, control); | |
436 | case JUST_GOT_AID: | |
437 | Ensure(2); | |
438 | PrintAddr(Addr3270(buffer[0], buffer[1])); | |
439 | putSpace(); | |
440 | buffer += 2; | |
441 | count -= 2; | |
442 | state = DATA; | |
443 | return origCount - count + DataToNetwork(buffer, count, control); | |
444 | case DATA: | |
445 | case DATA_CONTINUE: | |
446 | while (count) { | |
447 | if (*buffer == ORDER_SBA) { | |
448 | if (state == DATA_CONTINUE) { | |
449 | Undent(); | |
450 | state = DATA; | |
451 | } | |
452 | putstr("SBA "); | |
453 | PrintAddr(Addr3270(buffer[1], buffer[2])); | |
454 | putSpace(); | |
455 | buffer += 3; | |
456 | count -= 3; | |
457 | } else { | |
458 | if (state == DATA) { | |
459 | putstr("DATA:"); | |
460 | Indent(); | |
461 | state = DATA_CONTINUE; | |
462 | } | |
463 | putEChar(*buffer); | |
464 | buffer++; | |
465 | count--; | |
466 | } | |
467 | } | |
468 | if (control) { | |
469 | if (state == DATA_CONTINUE) { | |
470 | Undent(); | |
471 | } | |
472 | state = NEED_AID; | |
473 | } | |
474 | return origCount-count; | |
475 | } | |
476 | } | |
477 | ||
478 | int | |
479 | GetXValue(c) | |
480 | int c; | |
481 | { | |
482 | if (!isascii(c)) { | |
483 | fflush(stdout); | |
484 | fprintf(stderr, "Non-hex digit 0x%x.\n"); | |
485 | fflush(stderr); | |
486 | return 0; | |
487 | } else { | |
488 | if (islower(c)) { | |
489 | return (c-'a')+10; | |
490 | } else if (isupper(c)) { | |
491 | return (c-'A')+10; | |
492 | } else { | |
493 | return c-'0'; | |
494 | } | |
495 | } | |
496 | } | |
497 | ||
498 | unsigned char outbound[8192], inbound[8192], | |
499 | *outnext = outbound, *innext = inbound, *p = 0; | |
500 | ||
501 | void | |
502 | termblock(old, new, control) | |
503 | int old, | |
504 | new; /* old and new directions */ | |
505 | { | |
506 | int count; | |
507 | ||
508 | if (p) { | |
509 | if (old == '<') { | |
510 | outnext = p; | |
511 | count = DataFromNetwork(outbound, outnext-outbound, control); | |
512 | if (outbound+count == outnext) { | |
513 | outnext = outbound; | |
514 | } else { | |
e56fc5cb | 515 | memcpy(outbound, outbound+count, outnext-(outbound+count)); |
71ac803b GM |
516 | outnext = outbound+count; |
517 | } | |
518 | } else { | |
519 | innext = p; | |
520 | count = DataToNetwork(inbound, innext-inbound, control); | |
521 | if (inbound+count == innext) { | |
522 | innext = inbound; | |
523 | } else { | |
e56fc5cb | 524 | memcpy(inbound, inbound+count, innext-(inbound+count)); |
71ac803b GM |
525 | innext = inbound+count; |
526 | } | |
527 | } | |
528 | } | |
529 | if (new == '<') { | |
530 | p = outnext; | |
531 | } else if (new == '>') { | |
532 | p = innext; | |
533 | } else { | |
534 | fprintf(stderr, "Bad direction character '%c'.\n", new); | |
535 | exit(1); | |
536 | } | |
537 | } | |
538 | ||
539 | main() | |
540 | { | |
541 | int location; | |
542 | int new; | |
543 | int c, c1; | |
544 | ||
e56fc5cb | 545 | memset(Orders, 0, sizeof Orders); |
71ac803b GM |
546 | Orders[ORDER_SF] = Orders[ORDER_SBA] = Orders[ORDER_IC] |
547 | = Orders[ORDER_PT] = Orders[ORDER_RA] = Orders[ORDER_EUA] | |
548 | = Orders[ORDER_YALE] = 1; | |
549 | ||
550 | while (scanf("%c 0x%x\t", &new, &location) != EOF) { | |
551 | if (new != direction) { | |
552 | termblock(direction, new, 0); | |
553 | direction = new; | |
554 | } | |
555 | while (((c = getchar()) != EOF) && (c != '\n') && (isxdigit(c))) { | |
556 | #define NORMAL 0 | |
557 | #define GOT0XFF 0xff | |
558 | static int state = NORMAL; | |
559 | ||
560 | c1 = getchar(); | |
561 | c = (GetXValue(c) << 4) + GetXValue(c1); | |
562 | switch (state) { | |
563 | case NORMAL: | |
564 | if (c == 0xff) { | |
565 | state = GOT0XFF; | |
566 | } else { | |
567 | *p++ = c; | |
568 | } | |
569 | break; | |
570 | case GOT0XFF: | |
571 | if (c == 0xef) { | |
572 | termblock(direction, direction, 1); | |
573 | } else { | |
574 | *p++ = 0xff; | |
575 | *p++ = c; | |
576 | } | |
577 | state = NORMAL; | |
578 | } | |
579 | } | |
580 | } | |
581 | return 0; | |
582 | } |