Annotation of OpenXM/src/ox_toolkit/ox.c, Revision 1.17
1.1 ohara 1: /* -*- mode: C; coding: euc-japan -*- */
1.17 ! ohara 2: /* $OpenXM: OpenXM/src/ox_toolkit/ox.c,v 1.16 2000/11/28 22:11:13 ohara Exp $ */
1.1 ohara 3:
1.8 ohara 4: /*
5: This module includes functions for sending/receiveng CMO's.
6: Some commnets is written in Japanese by the EUC-JP coded
7: character set.
1.1 ohara 8: */
9:
10: #include <stdio.h>
11: #include <stdlib.h>
12: #include <string.h>
13: #include <unistd.h>
14: #include <fcntl.h>
1.5 ohara 15: #include <sys/file.h>
1.13 ohara 16: #include <time.h>
1.1 ohara 17:
18: #include "mysocket.h"
1.12 ohara 19: #include "ox_toolkit.h"
1.1 ohara 20: #include "parse.h"
21:
1.17 ! ohara 22: /* sorting by the value of CMO_xxx. (for debugging) */
1.13 ohara 23: static cmo_null* receive_cmo_null(OXFILE *oxfp);
24: static cmo_int32* receive_cmo_int32(OXFILE *oxfp);
25: static cmo_string* receive_cmo_string(OXFILE *oxfp);
26: static cmo_mathcap* receive_cmo_mathcap(OXFILE *oxfp);
27: static cmo_list* receive_cmo_list(OXFILE *oxfp);
28: static cmo_monomial32* receive_cmo_monomial32(OXFILE *oxfp);
29: static cmo_zz* receive_cmo_zz(OXFILE *oxfp);
30: static cmo_zero* receive_cmo_zero(OXFILE *oxfp);
31: static cmo_dms_generic* receive_cmo_dms_generic(OXFILE *oxfp);
32: static cmo_ring_by_name* receive_cmo_ring_by_name(OXFILE *oxfp);
33: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(OXFILE *oxfp);
34:
35: static cmo_error2* receive_cmo_error2(OXFILE *oxfp);
36: static void receive_mpz(OXFILE *oxfp, mpz_ptr mpz);
37:
38: static int send_cmo_null(OXFILE *oxfp, cmo_null* c);
39: static int send_cmo_int32(OXFILE *oxfp, cmo_int32* m);
40: static int send_cmo_string(OXFILE *oxfp, cmo_string* m);
41: static int send_cmo_mathcap(OXFILE *oxfp, cmo_mathcap* c);
42: static int send_cmo_list(OXFILE *oxfp, cmo_list* c);
43: static int send_cmo_monomial32(OXFILE *oxfp, cmo_monomial32* c);
44: static int send_cmo_zz(OXFILE *oxfp, cmo_zz* c);
45: static int send_cmo_error2(OXFILE *oxfp, cmo_error2* c);
46: static int send_mpz(OXFILE *oxfp, mpz_ptr mpz);
47: static int send_cmo_distributed_polynomial(OXFILE *oxfp, cmo_distributed_polynomial* c);
1.3 ohara 48:
1.8 ohara 49: /* hook functions. (yet not implemented) */
1.2 ohara 50: static hook_t hook_before_send_cmo = NULL;
51: static hook_t hook_after_send_cmo = NULL;
52:
53: int add_hook_before_send_cmo(hook_t func)
54: {
1.13 ohara 55: hook_before_send_cmo = func;
56: return 0;
1.2 ohara 57: }
58:
59: int add_hook_after_send_cmo(hook_t func)
60: {
1.13 ohara 61: hook_after_send_cmo = func;
62: return 0;
1.2 ohara 63: }
64:
1.13 ohara 65: static cmo *call_hook_before_send_cmo(OXFILE *oxfp, cmo *c)
1.2 ohara 66: {
1.13 ohara 67: if (hook_before_send_cmo != NULL) {
68: return hook_before_send_cmo(oxfp, c);
69: }
70: return c;
1.2 ohara 71: }
72:
1.13 ohara 73: static cmo *call_hook_after_send_cmo(OXFILE *oxfp, cmo *c)
1.2 ohara 74: {
1.13 ohara 75: if (hook_after_send_cmo != NULL) {
76: return hook_after_send_cmo(oxfp, c);
77: }
78: return c;
1.2 ohara 79: }
1.1 ohara 80:
1.7 ohara 81: /* Handling an error. */
1.1 ohara 82: static int current_received_serial = 0;
83:
1.7 ohara 84: /* If an error object be needed, then a server call the following function. */
1.1 ohara 85: cmo_error2* make_error_object(int err_code, cmo *ob)
86: {
87: cmo_list* li = new_cmo_list();
1.13 ohara 88: list_append(li, (cmo *)new_cmo_int32(current_received_serial));
89: list_append(li, (cmo *)new_cmo_int32(err_code));
90: list_append(li, ob);
1.1 ohara 91: return new_cmo_error2((cmo *)li);
92: }
93:
1.7 ohara 94: /* getting a next serial number. */
1.13 ohara 95: int next_serial(OXFILE *oxfp)
1.1 ohara 96: {
1.13 ohara 97: return oxfp->serial_number++;
1.1 ohara 98: }
99:
1.7 ohara 100: /* sending an object of int32 type. (not equal to cmo_int32 type) */
1.13 ohara 101: int send_int32(OXFILE *oxfp, int int32)
1.1 ohara 102: {
1.13 ohara 103: return oxfp->send_int32(oxfp, int32);
1.1 ohara 104: }
105:
1.13 ohara 106: /* receiving an object of int32 type. (not equal to cmo_int32 type) */
107: int receive_int32(OXFILE *oxfp)
1.1 ohara 108: {
1.13 ohara 109: return oxfp->receive_int32(oxfp);
1.1 ohara 110: }
111:
1.13 ohara 112: /* receiving an (OX_tag, serial number) */
113: int receive_ox_tag(OXFILE *oxfp)
1.1 ohara 114: {
1.13 ohara 115: int tag = receive_int32(oxfp);
1.16 ohara 116: oxfp->received_serial_number = receive_int32(oxfp);
1.13 ohara 117: return tag;
1.1 ohara 118: }
119:
1.13 ohara 120: /* sending an (OX_tag, serial number) */
121: int send_ox_tag(OXFILE *oxfp, int tag)
1.3 ohara 122: {
1.13 ohara 123: send_int32(oxfp, tag);
124: return send_int32(oxfp, next_serial(oxfp));
1.1 ohara 125: }
126:
1.7 ohara 127: /* functions named receive_cmo_*. */
1.13 ohara 128: static cmo_null* receive_cmo_null(OXFILE *oxfp)
1.1 ohara 129: {
130: return new_cmo_null();
131: }
132:
1.13 ohara 133: static cmo_int32* receive_cmo_int32(OXFILE *oxfp)
1.1 ohara 134: {
1.13 ohara 135: int i = receive_int32(oxfp);
1.1 ohara 136: return new_cmo_int32(i);
137: }
138:
1.13 ohara 139: static cmo_string* receive_cmo_string(OXFILE *oxfp)
1.1 ohara 140: {
1.13 ohara 141: int len = receive_int32(oxfp);
1.1 ohara 142: char* s = malloc(len+1);
143: memset(s, '\0', len+1);
144: if (len > 0) {
1.13 ohara 145: oxf_read(s, 1, len, oxfp);
1.1 ohara 146: }
147: return new_cmo_string(s);
148: }
149:
1.13 ohara 150: static cmo_mathcap* receive_cmo_mathcap(OXFILE *oxfp)
1.1 ohara 151: {
1.13 ohara 152: cmo* ob = receive_cmo(oxfp);
1.1 ohara 153: return new_cmo_mathcap(ob);
154: }
155:
1.13 ohara 156: static cmo_list* receive_cmo_list(OXFILE *oxfp)
1.1 ohara 157: {
158: cmo* ob;
159: cmo_list* c = new_cmo_list();
1.13 ohara 160: int len = receive_int32(oxfp);
1.1 ohara 161:
162: while (len>0) {
1.13 ohara 163: ob = receive_cmo(oxfp);
164: list_append(c, ob);
1.1 ohara 165: len--;
166: }
167: return c;
168: }
169:
1.13 ohara 170: static cmo_monomial32* receive_cmo_monomial32(OXFILE *oxfp)
1.1 ohara 171: {
172: int i;
1.13 ohara 173: int len = receive_int32(oxfp);
1.1 ohara 174: cmo_monomial32* c = new_cmo_monomial32(len);
175:
176: for(i=0; i<len; i++) {
1.13 ohara 177: c->exps[i] = receive_int32(oxfp);
1.1 ohara 178: }
1.13 ohara 179: c->coef = receive_cmo(oxfp);
1.1 ohara 180: return c;
181: }
182:
1.13 ohara 183: static cmo_zz* receive_cmo_zz(OXFILE *oxfp)
1.1 ohara 184: {
185: cmo_zz* c = new_cmo_zz();
1.13 ohara 186: receive_mpz(oxfp, c->mpz);
1.1 ohara 187: return c;
188: }
189:
1.13 ohara 190: static cmo_zero* receive_cmo_zero(OXFILE *oxfp)
1.1 ohara 191: {
192: return new_cmo_zero();
193: }
194:
1.13 ohara 195: static cmo_dms_generic* receive_cmo_dms_generic(OXFILE *oxfp)
1.1 ohara 196: {
197: return new_cmo_dms_generic();
198: }
199:
1.13 ohara 200: static cmo_ring_by_name* receive_cmo_ring_by_name(OXFILE *oxfp)
1.1 ohara 201: {
1.13 ohara 202: cmo* ob = receive_cmo(oxfp);
203: /* We need to check semantics but yet ... */
1.1 ohara 204: return new_cmo_ring_by_name(ob);
205: }
206:
1.13 ohara 207: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(OXFILE *oxfp)
1.1 ohara 208: {
209: cmo* ob;
210: cmo_distributed_polynomial* c = new_cmo_distributed_polynomial();
1.13 ohara 211: int len = receive_int32(oxfp);
212: c->ringdef = receive_cmo(oxfp);
1.1 ohara 213:
214: while (len>0) {
1.13 ohara 215: ob = receive_cmo(oxfp);
216: list_append((cmo_list *)c, ob);
1.1 ohara 217: len--;
218: }
219: return c;
220: }
221:
1.13 ohara 222: static cmo_error2* receive_cmo_error2(OXFILE *oxfp)
1.1 ohara 223: {
1.13 ohara 224: cmo* ob = receive_cmo(oxfp);
1.1 ohara 225: return new_cmo_error2(ob);
226: }
227:
1.17 ! ohara 228: /* receive_cmo() is called after receive_ox_tag(). */
1.13 ohara 229: cmo* receive_cmo(OXFILE *oxfp)
1.1 ohara 230: {
231: cmo* m;
1.13 ohara 232: int tag = receive_int32(oxfp);
1.1 ohara 233: switch(tag) {
234: case CMO_NULL:
1.13 ohara 235: m = receive_cmo_null(oxfp);
1.1 ohara 236: break;
237: case CMO_INT32:
1.13 ohara 238: m = (cmo *)receive_cmo_int32(oxfp);
1.1 ohara 239: break;
240: case CMO_STRING:
1.13 ohara 241: m = (cmo *)receive_cmo_string(oxfp);
1.1 ohara 242: break;
243: case CMO_MATHCAP:
1.13 ohara 244: m = (cmo *)receive_cmo_mathcap(oxfp);
1.1 ohara 245: break;
246: case CMO_LIST:
1.13 ohara 247: m = (cmo *)receive_cmo_list(oxfp);
1.1 ohara 248: break;
249: case CMO_MONOMIAL32:
1.13 ohara 250: m = (cmo *)receive_cmo_monomial32(oxfp);
1.1 ohara 251: break;
252: case CMO_ZZ:
1.13 ohara 253: m = (cmo *)receive_cmo_zz(oxfp);
1.1 ohara 254: break;
255: case CMO_ZERO:
1.13 ohara 256: m = (cmo *)receive_cmo_zero(oxfp);
1.1 ohara 257: break;
258: case CMO_DMS_GENERIC:
1.13 ohara 259: m = (cmo *)receive_cmo_dms_generic(oxfp);
1.1 ohara 260: break;
261: case CMO_RING_BY_NAME:
1.13 ohara 262: m = (cmo *)receive_cmo_ring_by_name(oxfp);
1.1 ohara 263: break;
264: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 265: m = (cmo *)receive_cmo_distributed_polynomial(oxfp);
1.1 ohara 266: break;
267: case CMO_ERROR2:
1.13 ohara 268: m = (cmo *)receive_cmo_error2(oxfp);
1.1 ohara 269: break;
270: case CMO_DATUM:
271: case CMO_QQ:
272: default:
1.13 ohara 273: m = NULL;
274: fprintf(stderr, "the CMO (%d) is not implemented.\n", tag);
1.1 ohara 275: }
276: return m;
277: }
278:
1.13 ohara 279: static void receive_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 280: {
281: int i;
1.13 ohara 282: int size = receive_int32(oxfp);
1.1 ohara 283: int len = abs(size);
284: resize_mpz(mpz, size);
285:
286: for(i=0; i<len; i++) {
1.13 ohara 287: mpz->_mp_d[i] = receive_int32(oxfp);
1.1 ohara 288: }
289: }
290:
1.13 ohara 291: void send_ox_command(OXFILE *oxfp, int sm_command)
1.1 ohara 292: {
1.13 ohara 293: send_ox_tag(oxfp, OX_COMMAND);
294: send_int32(oxfp, sm_command);
295: oxf_flush(oxfp);
1.1 ohara 296: }
297:
1.13 ohara 298: void ox_close(OXFILE *sv)
1.1 ohara 299: {
1.13 ohara 300: send_ox_command(oxf_control(sv), SM_control_kill);
1.1 ohara 301: #ifdef DEBUG
1.7 ohara 302: sleep(2);
1.13 ohara 303: /* We wait thar an OpenXM server terminates. */
1.1 ohara 304: fprintf(stderr, "I have closed the connection to an Open XM server.\n");
305: #endif
306: }
307:
1.13 ohara 308: void ox_shutdown(OXFILE *sv)
1.3 ohara 309: {
1.13 ohara 310: /* We need to use SM_shutdown but yet ... */
311: ox_close(sv);
1.3 ohara 312: }
313:
1.13 ohara 314: void ox_cmo_rpc(OXFILE *sv, char *function, int argc, cmo *argv[])
1.3 ohara 315: {
1.13 ohara 316: int i = argc;
317: while(i-- > 0) {
318: send_ox_cmo(sv, argv[i]);
319: }
320: send_ox_cmo(sv, (cmo *)new_cmo_int32(argc));
321: send_ox_cmo(sv, (cmo *)new_cmo_string(function));
322: send_ox_command(sv, SM_executeFunction);
1.3 ohara 323: }
324:
1.13 ohara 325: void ox_execute_string(OXFILE *sv, char* s)
1.3 ohara 326: {
1.13 ohara 327: send_ox_cmo(sv, (cmo *)new_cmo_string(s));
328: send_ox_command(sv, SM_executeStringByLocalParser);
1.3 ohara 329: }
330:
1.13 ohara 331: void ox_push_cmd(OXFILE *sv, int sm_code)
1.1 ohara 332: {
1.13 ohara 333: send_ox_command(sv, sm_code);
1.1 ohara 334: }
335:
1.13 ohara 336: cmo_mathcap* ox_mathcap(OXFILE *sv)
1.1 ohara 337: {
1.13 ohara 338: send_ox_command(sv, SM_mathcap);
339: send_ox_command(sv, SM_popCMO);
340: receive_ox_tag(sv); /* OX_DATA */
341: return (cmo_mathcap *)receive_cmo(sv);
1.1 ohara 342: }
343:
1.13 ohara 344: char* ox_popString(OXFILE *sv)
1.1 ohara 345: {
346: cmo_string* m = NULL;
347:
1.13 ohara 348: send_ox_command(sv, SM_popString);
349: receive_ox_tag(sv); /* OX_DATA */
350: m = (cmo_string *)receive_cmo(sv);
1.1 ohara 351: return m->s;
352: }
353:
1.13 ohara 354: void ox_pops(OXFILE *sv, int num)
1.3 ohara 355: {
1.13 ohara 356: send_ox_cmo(sv, (cmo *)new_cmo_int32(num));
357: send_ox_command(sv, SM_pops);
1.3 ohara 358: }
359:
1.13 ohara 360: cmo* ox_pop_cmo(OXFILE *sv)
1.3 ohara 361: {
1.13 ohara 362: send_ox_command(sv, SM_popCMO);
363: receive_ox_tag(sv); /* OX_DATA */
364: return receive_cmo(sv);
1.3 ohara 365: }
366:
1.13 ohara 367: void ox_push_cmo(OXFILE *sv, cmo *c)
1.3 ohara 368: {
1.13 ohara 369: send_ox_cmo(sv, c);
1.3 ohara 370: }
371:
1.7 ohara 372: /* a dummy function for flushing a connection. */
1.13 ohara 373: int ox_flush(OXFILE *sv)
1.5 ohara 374: {
1.13 ohara 375: return 1;
1.5 ohara 376: }
377:
1.13 ohara 378: void ox_reset(OXFILE *sv)
1.1 ohara 379: {
1.13 ohara 380: send_ox_command(oxf_control(sv), SM_control_reset_connection);
1.1 ohara 381:
1.13 ohara 382: receive_ox_tag(oxf_control(sv)); /* OX_DATA */
383: receive_cmo(oxf_control(sv)); /* (CMO_INT32, 0) */
1.1 ohara 384:
1.13 ohara 385: while(receive_ox_tag(sv) != OX_SYNC_BALL) {
386: receive_cmo(sv); /* skipping a message. */
1.1 ohara 387: }
388:
1.13 ohara 389: send_ox_tag(sv, OX_SYNC_BALL);
1.1 ohara 390: #ifdef DEBUG
391: fprintf(stderr, "I have reset an Open XM server.\n");
392: #endif
393: }
394:
1.13 ohara 395: void send_ox(OXFILE *oxfp, ox *m)
1.1 ohara 396: {
397: switch(m->tag) {
1.13 ohara 398: case OX_DATA:
399: send_ox_cmo(oxfp, ((ox_data *)m)->cmo);
1.1 ohara 400: break;
1.13 ohara 401: case OX_COMMAND:
402: send_ox_command(oxfp, ((ox_command *)m)->command);
1.1 ohara 403: break;
404: default:
405: /* CMO?? */
1.13 ohara 406: send_ox_cmo(oxfp, (cmo *)m);
1.1 ohara 407: }
408: }
409:
1.13 ohara 410: void send_ox_cmo(OXFILE *oxfp, cmo* m)
1.1 ohara 411: {
1.13 ohara 412: send_ox_tag(oxfp, OX_DATA);
413: send_cmo(oxfp, m);
414: oxf_flush(oxfp);
1.1 ohara 415: }
416:
1.8 ohara 417: /* send_cmo_* functions */
1.13 ohara 418: static int send_cmo_null(OXFILE *oxfp, cmo_null* c)
1.1 ohara 419: {
420: return 0;
421: }
422:
1.13 ohara 423: static int send_cmo_int32(OXFILE *oxfp, cmo_int32* m)
1.1 ohara 424: {
1.13 ohara 425: return send_int32(oxfp, m->i);
1.1 ohara 426: }
427:
1.13 ohara 428: static int send_cmo_string(OXFILE *oxfp, cmo_string* m)
1.1 ohara 429: {
430: int len = (m->s != NULL)? strlen(m->s): 0;
1.13 ohara 431: send_int32(oxfp, len);
1.1 ohara 432: if (len > 0) {
1.13 ohara 433: oxf_write(m->s, 1, len, oxfp);
1.1 ohara 434: }
435: return 0;
436: }
437:
1.13 ohara 438: static int send_cmo_mathcap(OXFILE *oxfp, cmo_mathcap* c)
1.1 ohara 439: {
1.13 ohara 440: send_cmo(oxfp, c->ob);
1.1 ohara 441: return 0;
442: }
443:
1.13 ohara 444: static int send_cmo_list(OXFILE *oxfp, cmo_list* c)
1.1 ohara 445: {
1.13 ohara 446: cell* el = list_first(c);
447: int len = list_length(c);
448: send_int32(oxfp, len);
449:
450: while(!list_endof(c, el)) {
451: send_cmo(oxfp, el->cmo);
452: el = list_next(el);
1.1 ohara 453: }
454: return 0;
455: }
456:
1.13 ohara 457: static int send_cmo_distributed_polynomial(OXFILE *oxfp, cmo_distributed_polynomial* c)
1.1 ohara 458: {
1.13 ohara 459: cell* el = list_first((cmo_list *)c);
460: int len = list_length((cmo_list *)c);
461: send_int32(oxfp, len);
462: send_cmo(oxfp, c->ringdef);
463: while(!list_endof((cmo_list *)c, el)) {
464: send_cmo(oxfp, el->cmo);
465: el = list_next(el);
1.1 ohara 466: }
467: return 0;
468: }
469:
1.13 ohara 470: static int send_cmo_monomial32(OXFILE *oxfp, cmo_monomial32* c)
1.1 ohara 471: {
472: int i;
473: int len = c->length;
1.13 ohara 474: send_int32(oxfp, len);
1.1 ohara 475: for(i=0; i<len; i++) {
1.13 ohara 476: send_int32(oxfp, c->exps[i]);
1.1 ohara 477: }
1.13 ohara 478: send_cmo(oxfp, c->coef);
1.1 ohara 479: return 0;
480: }
481:
1.13 ohara 482: static int send_cmo_zz(OXFILE *oxfp, cmo_zz* c)
1.1 ohara 483: {
1.13 ohara 484: send_mpz(oxfp, c->mpz);
1.1 ohara 485: return 0;
486: }
487:
1.13 ohara 488: static int send_cmo_error2(OXFILE *oxfp, cmo_error2* c)
1.1 ohara 489: {
1.13 ohara 490: send_cmo(oxfp, c->ob);
1.1 ohara 491: return 0;
492: }
493:
1.8 ohara 494: /* sending a CMO. (Remarks: OX_tag is already sent.) */
1.13 ohara 495: void send_cmo(OXFILE *oxfp, cmo* c)
1.1 ohara 496: {
497: int tag = c->tag;
498:
1.13 ohara 499: c = call_hook_before_send_cmo(oxfp, c);
1.2 ohara 500:
1.13 ohara 501: send_int32(oxfp, tag);
1.1 ohara 502: switch(tag) {
503: case CMO_NULL:
504: case CMO_ZERO:
505: case CMO_DMS_GENERIC:
1.13 ohara 506: send_cmo_null(oxfp, c); /* empty function. */
1.1 ohara 507: break;
508: case CMO_INT32:
1.13 ohara 509: send_cmo_int32(oxfp, (cmo_int32 *)c);
1.1 ohara 510: break;
511: case CMO_STRING:
1.13 ohara 512: send_cmo_string(oxfp, (cmo_string *)c);
1.1 ohara 513: break;
514: case CMO_MATHCAP:
515: case CMO_ERROR2:
516: case CMO_RING_BY_NAME:
517: case CMO_INDETERMINATE:
1.13 ohara 518: send_cmo_mathcap(oxfp, (cmo_mathcap *)c);
1.1 ohara 519: break;
520: case CMO_LIST:
1.13 ohara 521: send_cmo_list(oxfp, (cmo_list *)c);
1.1 ohara 522: break;
523: case CMO_MONOMIAL32:
1.13 ohara 524: send_cmo_monomial32(oxfp, (cmo_monomial32 *)c);
1.1 ohara 525: break;
526: case CMO_ZZ:
1.13 ohara 527: send_cmo_zz(oxfp, (cmo_zz *)c);
1.1 ohara 528: break;
529: case CMO_DISTRIBUTED_POLYNOMIAL:
1.13 ohara 530: send_cmo_distributed_polynomial(oxfp, (cmo_distributed_polynomial *)c);
1.1 ohara 531: break;
532: default:
1.13 ohara 533: call_hook_after_send_cmo(oxfp, c);
1.1 ohara 534: }
535: }
536:
1.13 ohara 537: static int send_mpz(OXFILE *oxfp, mpz_ptr mpz)
1.1 ohara 538: {
539: int i;
540: int len = abs(mpz->_mp_size);
1.13 ohara 541: send_int32(oxfp, mpz->_mp_size);
1.1 ohara 542: for(i=0; i<len; i++) {
1.13 ohara 543: send_int32(oxfp, mpz->_mp_d[i]);
1.1 ohara 544: }
545: return 0;
546: }
547:
548: ox_data* new_ox_data(cmo* c)
549: {
550: ox_data* m = malloc(sizeof(ox_data));
551: m->tag = OX_DATA;
552: m->cmo = c;
553: return m;
554: }
555:
556: ox_command* new_ox_command(int sm_code)
557: {
558: ox_command* m = malloc(sizeof(ox_command));
559: m->tag = OX_COMMAND;
560: m->command = sm_code;
561: return m;
562: }
563:
564: ox_sync_ball* new_ox_sync_ball()
565: {
566: ox_sync_ball *m = malloc(sizeof(ox_sync_ball));
567: m->tag = OX_SYNC_BALL;
568: return m;
569: }
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