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Annotation of OpenXM/src/ox_toolkit/ox.c, Revision 1.1

1.1     ! ohara       1: /* -*- mode: C; coding: euc-japan -*- */
        !             2: /* $OpenXM$ */
        !             3:
        !             4: /*
        !             5: 関数の名前付け規約(その2):
        !             6: (1) receive_cmo 関数はCMOタグとデータ本体を受信する. この関数は CMOタグの
        !             7: 値が事前に分からないときに使用する. 返り値として、cmo へのポインタを返す.
        !             8: (2) receive_cmo_XXX 関数は, CMOタグを親の関数で受信してから呼び出される関
        !             9: 数で、データ本体のみを受信し、cmo_XXX へのポインタを返す.  しかも、
        !            10: 関数内部で new_cmo_XXX 関数を呼び出す.
        !            11: (3) send_cmo 関数はCMOタグとデータ本体を送信する.
        !            12: (4) send_cmo_XXX 関数はCMOタグを親の関数で送信してから呼び出される関数で、
        !            13: データ本体のみを送信する.
        !            14:
        !            15: ----
        !            16: (5) receive_ox_XXX 関数は存在しない(作らない).  receive_cmo を利用する.
        !            17: (6) send_ox_XXX 関数は OX タグを含めて送信する.
        !            18: (7) ox_XXX 関数は一連の送受信を含むより抽象的な操作を表現する.
        !            19: ox_XXX 関数は、第一引数として、ox_file_t型の変数 sv をとる.
        !            20:
        !            21: (8) YYY_cmo 関数と YYY_cmo_XXX 関数の関係は次の通り:
        !            22: まず YYY_cmo 関数で cmo のタグを処理し、タグを除いた残りの部分を
        !            23: YYY_cmo_XXX 関数が処理する.  cmo の内部に cmo_ZZZ へのポインタが
        !            24: あるときには、その種類によらずに YYY_cmo 関数を呼び出す.
        !            25: */
        !            26:
        !            27: #include <stdio.h>
        !            28: #include <stdlib.h>
        !            29: #include <string.h>
        !            30: #include <unistd.h>
        !            31: #include <errno.h>
        !            32: #include <fcntl.h>
        !            33: #include <gmp.h>
        !            34: #include <unistd.h>
        !            35: #include <sys/file.h>
        !            36:
        !            37: #include "mysocket.h"
        !            38: #include "ox.h"
        !            39: #include "parse.h"
        !            40:
        !            41: static int          cmolen_cmo_int32(cmo_int32* c);
        !            42: static int          cmolen_cmo_list(cmo_list* c);
        !            43: static int          cmolen_cmo_mathcap(cmo_mathcap* c);
        !            44: static int          cmolen_cmo_null(cmo_null* c);
        !            45: static int          cmolen_cmo_string(cmo_string* c);
        !            46: static int          cmolen_cmo_zz(cmo_zz* c);
        !            47: static int          cmolen_cmo_monomial32(cmo_monomial32* c);
        !            48:
        !            49: static int          dump_cmo_int32(cmo_int32* m);
        !            50: static int          dump_cmo_list(cmo_list* m);
        !            51: static int          dump_cmo_mathcap(cmo_mathcap* m);
        !            52: static int          dump_cmo_null(cmo_null* m);
        !            53: static int          dump_cmo_string(cmo_string* m);
        !            54: static int          dump_cmo_monomial32(cmo_monomial32* c);
        !            55: static int          dump_cmo_zz(cmo_zz* c);
        !            56: static int          dump_string(char *s, int len);
        !            57: static int          dump_integer(int x);
        !            58: static int          dump_mpz(mpz_ptr mpz);
        !            59:
        !            60: static int          login_with_otp(int fd, char* passwd);
        !            61: static char         *create_otp();
        !            62:
        !            63: /* CMO_xxx の値順にならべること(デバッグのため) */
        !            64: static cmo_null*         receive_cmo_null(int fd);
        !            65: static cmo_int32*        receive_cmo_int32(int fd);
        !            66: static cmo_string*       receive_cmo_string(int fd);
        !            67: static cmo_mathcap*      receive_cmo_mathcap(int fd);
        !            68: static cmo_list*         receive_cmo_list(int fd);
        !            69: static cmo_monomial32*   receive_cmo_monomial32(int fd);
        !            70: static cmo_zz*           receive_cmo_zz(int fd);
        !            71: static cmo_zero*         receive_cmo_zero(int fd);
        !            72: static cmo_dms_generic*  receive_cmo_dms_generic(int fd);
        !            73: static cmo_ring_by_name* receive_cmo_ring_by_name(int fd);
        !            74: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(int fd);
        !            75:
        !            76: static cmo_error2*       receive_cmo_error2(int fd);
        !            77: static void              receive_mpz(int fd, mpz_ptr mpz);
        !            78:
        !            79: static int          send_cmo_null(int fd, cmo_null* c);
        !            80: static int          send_cmo_int32(int fd, cmo_int32* m);
        !            81: static int          send_cmo_string(int fd, cmo_string* m);
        !            82: static int          send_cmo_mathcap(int fd, cmo_mathcap* c);
        !            83: static int          send_cmo_list(int fd, cmo_list* c);
        !            84: static int          send_cmo_monomial32(int fd, cmo_monomial32* c);
        !            85: static int          send_cmo_zz(int fd, cmo_zz* c);
        !            86: static int          send_cmo_error2(int fd, cmo_error2* c);
        !            87: static int          send_mpz(int fd, mpz_ptr mpz);
        !            88: static int          send_cmo_distributed_polynomial(int fd, cmo_distributed_polynomial* c);
        !            89:
        !            90: static void         resize_mpz(mpz_ptr mpz, int size);
        !            91:
        !            92:
        !            93: /* エラーハンドリングのため */
        !            94: static int current_received_serial = 0;
        !            95:
        !            96: /* エラーを起こしたときにサーバは次を呼び出す.  */
        !            97: cmo_error2* make_error_object(int err_code, cmo *ob)
        !            98: {
        !            99:     cmo_list* li = new_cmo_list();
        !           100:     append_cmo_list(li, (cmo *)new_cmo_int32(current_received_serial));
        !           101:     append_cmo_list(li, (cmo *)new_cmo_int32(err_code));
        !           102:     append_cmo_list(li, ob);
        !           103:     /* 他の情報を加えるならココ */
        !           104:     return new_cmo_error2((cmo *)li);
        !           105: }
        !           106:
        !           107: /* add at Mon Sep  7 15:51:28 JST 1998 */
        !           108: #define DEFAULT_SERIAL_NUMBER 0x0000ffff
        !           109: #define receive_serial_number(x)   (receive_int32(x))
        !           110:
        !           111: /* 新しいシリアル番号を得る */
        !           112: int next_serial()
        !           113: {
        !           114:     static int serial_number = DEFAULT_SERIAL_NUMBER;
        !           115:     return serial_number++;
        !           116: }
        !           117:
        !           118: /* int32 型のオブジェクトを送信する.  */
        !           119: int send_int32(int fd, int int32)
        !           120: {
        !           121:     int32 = htonl(int32);
        !           122:     return write(fd, &int32, sizeof(int));
        !           123: }
        !           124:
        !           125: /* int32 型のオブジェクトを受信する.  */
        !           126: int receive_int32(int fd)
        !           127: {
        !           128:     int tag;
        !           129:     read(fd, &tag, sizeof(int));
        !           130:     return ntohl(tag);
        !           131: }
        !           132:
        !           133: /* (OX_tag, serial number) を受信する.  */
        !           134: int receive_ox_tag(int fd)
        !           135: {
        !           136:     int serial;
        !           137:     int tag = receive_int32(fd);
        !           138:     current_received_serial = receive_serial_number(fd);
        !           139:     return tag;
        !           140: }
        !           141:
        !           142: /* (OX_tag, serial number) を送信する.   */
        !           143: int send_ox_tag(int fd, int tag)
        !           144: {
        !           145:     send_int32(fd, tag);
        !           146:     return send_int32(fd, next_serial());
        !           147: }
        !           148:
        !           149: /* CMO_LIST 関係の関数群 */
        !           150: cell* new_cell()
        !           151: {
        !           152:     cell* h = malloc(sizeof(cell));
        !           153:     h->next = NULL;
        !           154:     h->cmo  = NULL;
        !           155:     return h;
        !           156: }
        !           157:
        !           158: cell* next_cell(cell* this)
        !           159: {
        !           160:     return this->next;
        !           161: }
        !           162:
        !           163: static cell *tail(cmo_list* this) {
        !           164:     cell *cp = this->head;
        !           165:     while (cp->next != NULL) {
        !           166:         cp = cp->next;
        !           167:     }
        !           168:     return cp;
        !           169: }
        !           170:
        !           171: int append_cmo_list(cmo_list* this, cmo* newcmo)
        !           172: {
        !           173:     cell *cp = tail(this);
        !           174:     cp->cmo  = newcmo;
        !           175:     cp->next = new_cell();
        !           176:     this->length++;
        !           177:     return 0;
        !           178: }
        !           179:
        !           180: int length_cmo_list(cmo_list* this)
        !           181: {
        !           182:     return this->length;
        !           183: }
        !           184:
        !           185: /** receive_cmo_XXX 関数群 **/
        !           186: static cmo_null* receive_cmo_null(int fd)
        !           187: {
        !           188:     return new_cmo_null();
        !           189: }
        !           190:
        !           191: static cmo_int32* receive_cmo_int32(int fd)
        !           192: {
        !           193:     int i = receive_int32(fd);
        !           194:     return new_cmo_int32(i);
        !           195: }
        !           196:
        !           197: static cmo_string* receive_cmo_string(int fd)
        !           198: {
        !           199:     int len = receive_int32(fd);
        !           200:     char* s = malloc(len+1);
        !           201:     memset(s, '\0', len+1);
        !           202:     if (len > 0) {
        !           203:         read(fd, s, len);
        !           204:     }
        !           205:     return new_cmo_string(s);
        !           206: }
        !           207:
        !           208: static cmo_mathcap* receive_cmo_mathcap(int fd)
        !           209: {
        !           210:     cmo* ob = receive_cmo(fd);
        !           211:     return new_cmo_mathcap(ob);
        !           212: }
        !           213:
        !           214: static cmo_list* receive_cmo_list(int fd)
        !           215: {
        !           216:     cmo* ob;
        !           217:     cmo_list* c = new_cmo_list();
        !           218:     int len = receive_int32(fd);
        !           219:
        !           220:     while (len>0) {
        !           221:         ob = receive_cmo(fd);
        !           222:         append_cmo_list(c, ob);
        !           223:         len--;
        !           224:     }
        !           225:     return c;
        !           226: }
        !           227:
        !           228: static cmo_monomial32* receive_cmo_monomial32(int fd)
        !           229: {
        !           230:     int i;
        !           231:     int len = receive_int32(fd);
        !           232:     cmo_monomial32* c = new_cmo_monomial32(len);
        !           233:
        !           234:     for(i=0; i<len; i++) {
        !           235:         c->exps[i] = receive_int32(fd);
        !           236:     }
        !           237:     c->coef = receive_cmo(fd);
        !           238:     return c;
        !           239: }
        !           240:
        !           241: static cmo_zz* receive_cmo_zz(int fd)
        !           242: {
        !           243:     cmo_zz* c = new_cmo_zz();
        !           244:     receive_mpz(fd, c->mpz);
        !           245:     return c;
        !           246: }
        !           247:
        !           248: static cmo_zero* receive_cmo_zero(int fd)
        !           249: {
        !           250:     return new_cmo_zero();
        !           251: }
        !           252:
        !           253: static cmo_dms_generic* receive_cmo_dms_generic(int fd)
        !           254: {
        !           255:     return new_cmo_dms_generic();
        !           256: }
        !           257:
        !           258: static cmo_ring_by_name* receive_cmo_ring_by_name(int fd)
        !           259: {
        !           260:     cmo* ob = receive_cmo(fd);
        !           261:     /* 意味的チェックが必要 */
        !           262:     return new_cmo_ring_by_name(ob);
        !           263: }
        !           264:
        !           265: static cmo_distributed_polynomial* receive_cmo_distributed_polynomial(int fd)
        !           266: {
        !           267:     cmo* ob;
        !           268:     cmo_distributed_polynomial* c = new_cmo_distributed_polynomial();
        !           269:     int len = receive_int32(fd);
        !           270:     c->ringdef = receive_cmo(fd);
        !           271:
        !           272:     while (len>0) {
        !           273:         ob = receive_cmo(fd);
        !           274:         append_cmo_list((cmo_list *)c, ob);
        !           275:         len--;
        !           276:     }
        !           277:     return c;
        !           278: }
        !           279:
        !           280: static cmo_error2* receive_cmo_error2(int fd)
        !           281: {
        !           282:     cmo* ob = receive_cmo(fd);
        !           283:     return new_cmo_error2(ob);
        !           284: }
        !           285:
        !           286: /* receive_ox_tag() == OX_DATA の後に呼び出される */
        !           287: /* 関数ポインタを使った方がきれいに書けるような気がする.  */
        !           288: /* if (foo[tag] != NULL) foo[tag](fd); とか */
        !           289:
        !           290: cmo* receive_cmo(int fd)
        !           291: {
        !           292:     cmo* m;
        !           293:     int tag;
        !           294:     tag = receive_int32(fd);
        !           295:
        !           296:     switch(tag) {
        !           297:     case CMO_NULL:
        !           298:         m = receive_cmo_null(fd);
        !           299:         break;
        !           300:     case CMO_INT32:
        !           301:         m = (cmo *)receive_cmo_int32(fd);
        !           302:         break;
        !           303:     case CMO_STRING:
        !           304:         m = (cmo *)receive_cmo_string(fd);
        !           305:         break;
        !           306:     case CMO_MATHCAP:
        !           307:         m = (cmo *)receive_cmo_mathcap(fd);
        !           308:         break;
        !           309:     case CMO_LIST:
        !           310:         m = (cmo *)receive_cmo_list(fd);
        !           311:         break;
        !           312:     case CMO_MONOMIAL32:
        !           313:         m = (cmo *)receive_cmo_monomial32(fd);
        !           314:         break;
        !           315:     case CMO_ZZ:
        !           316:         m = (cmo *)receive_cmo_zz(fd);
        !           317:         break;
        !           318:     case CMO_ZERO:
        !           319:         m = (cmo *)receive_cmo_zero(fd);
        !           320:         break;
        !           321:     case CMO_DMS_GENERIC:
        !           322:         m = (cmo *)receive_cmo_dms_generic(fd);
        !           323:         break;
        !           324:     case CMO_RING_BY_NAME:
        !           325:         m = (cmo *)receive_cmo_ring_by_name(fd);
        !           326:         break;
        !           327:     case CMO_DISTRIBUTED_POLYNOMIAL:
        !           328:         m = (cmo *)receive_cmo_distributed_polynomial(fd);
        !           329:         break;
        !           330:     case CMO_ERROR2:
        !           331:         m = (cmo *)receive_cmo_error2(fd);
        !           332:         break;
        !           333:     case CMO_DATUM:
        !           334:     case CMO_QQ:
        !           335:     default:
        !           336:         fprintf(stderr, "the CMO (%d) is not implemented.\n", m->tag);
        !           337:     }
        !           338:     return m;
        !           339: }
        !           340:
        !           341: static void receive_mpz(int fd, mpz_ptr mpz)
        !           342: {
        !           343:     int i;
        !           344:     int size  = receive_int32(fd);
        !           345:     int len   = abs(size);
        !           346:     resize_mpz(mpz, size);
        !           347:
        !           348:     for(i=0; i<len; i++) {
        !           349:         mpz->_mp_d[i] = receive_int32(fd);
        !           350:     }
        !           351: }
        !           352:
        !           353: static void resize_mpz(mpz_ptr mpz, int size)
        !           354: {
        !           355:     _mpz_realloc(mpz, abs(size));
        !           356:     mpz->_mp_size = size;
        !           357: }
        !           358:
        !           359: /** new_cmo_XXX 関数群 **/
        !           360: cmo_null* new_cmo_null()
        !           361: {
        !           362:     cmo_null* m = malloc(sizeof(cmo_null));
        !           363:     m->tag = CMO_NULL;
        !           364:     return m;
        !           365: }
        !           366:
        !           367: cmo_int32* new_cmo_int32(int i)
        !           368: {
        !           369:     cmo_int32* c;
        !           370:     c = malloc(sizeof(cmo_int32));
        !           371:     c->tag     = CMO_INT32;
        !           372:     c->i = i;
        !           373:     return c;
        !           374: }
        !           375:
        !           376: cmo_string* new_cmo_string(char* s)
        !           377: {
        !           378:     cmo_string* c = malloc(sizeof(cmo_string));
        !           379:     c->tag = CMO_STRING;
        !           380:     if (s != NULL) {
        !           381:         c->s = malloc(strlen(s)+1);
        !           382:         strcpy(c->s, s);
        !           383:     }else {
        !           384:         c->s = NULL;
        !           385:     }
        !           386:     return c;
        !           387: }
        !           388:
        !           389: cmo_mathcap* new_cmo_mathcap(cmo* ob)
        !           390: {
        !           391:     cmo_mathcap* c = malloc(sizeof(cmo_mathcap));
        !           392:     c->tag = CMO_MATHCAP;
        !           393:     c->ob  = ob;
        !           394:     return c;
        !           395: }
        !           396:
        !           397: cmo_list* new_cmo_list()
        !           398: {
        !           399:     cmo_list* c = malloc(sizeof(cmo_list));
        !           400:     c->tag    = CMO_LIST;
        !           401:     c->length = 0;
        !           402:     c->head->next = NULL;
        !           403:     return c;
        !           404: }
        !           405:
        !           406: cmo_monomial32* new_cmo_monomial32()
        !           407: {
        !           408:     cmo_monomial32* c = malloc(sizeof(cmo_monomial32));
        !           409:     c->tag  = CMO_MONOMIAL32;
        !           410:     return c;
        !           411: }
        !           412:
        !           413: cmo_monomial32* new_cmo_monomial32_size(int size)
        !           414: {
        !           415:     cmo_monomial32* c = new_cmo_monomial32();
        !           416:     if (size>0) {
        !           417:         c->length = size;
        !           418:         c->exps = malloc(sizeof(int)*size);
        !           419:     }
        !           420:     return c;
        !           421: }
        !           422:
        !           423: cmo_zz* new_cmo_zz()
        !           424: {
        !           425:     cmo_zz* c = malloc(sizeof(cmo_zz));
        !           426:     c->tag  = CMO_ZZ;
        !           427:     mpz_init(c->mpz);
        !           428:     return c;
        !           429: }
        !           430:
        !           431: cmo_zz* new_cmo_zz_noinit()
        !           432: {
        !           433:     cmo_zz* c = malloc(sizeof(cmo_zz));
        !           434:     c->tag  = CMO_ZZ;
        !           435:     return c;
        !           436: }
        !           437:
        !           438: cmo_zz* new_cmo_zz_set_si(int i)
        !           439: {
        !           440:     cmo_zz* c = new_cmo_zz();
        !           441:     mpz_set_si(c->mpz, i);
        !           442:     return c;
        !           443: }
        !           444:
        !           445: cmo_zz *new_cmo_zz_set_string(char *s)
        !           446: {
        !           447:     cmo_zz* c = new_cmo_zz_noinit();
        !           448:     mpz_init_set_str(c->mpz, s, 10);
        !           449:     return c;
        !           450: }
        !           451:
        !           452: cmo_zz* new_cmo_zz_size(int size)
        !           453: {
        !           454:     cmo_zz* c = new_cmo_zz();
        !           455:     resize_mpz(c->mpz, size);
        !           456:     return c;
        !           457: }
        !           458:
        !           459: cmo_zero* new_cmo_zero()
        !           460: {
        !           461:     cmo_zero* m = malloc(sizeof(cmo_zero));
        !           462:     m->tag = CMO_ZERO;
        !           463:     return m;
        !           464: }
        !           465:
        !           466: cmo_dms_generic* new_cmo_dms_generic()
        !           467: {
        !           468:     cmo_dms_generic* m = malloc(sizeof(cmo_dms_generic));
        !           469:     m->tag = CMO_DMS_GENERIC;
        !           470:     return m;
        !           471: }
        !           472:
        !           473: cmo_ring_by_name* new_cmo_ring_by_name(cmo* ob)
        !           474: {
        !           475:     cmo_ring_by_name* c = malloc(sizeof(cmo_ring_by_name));
        !           476:     c->tag = CMO_RING_BY_NAME;
        !           477:     c->ob  = ob;
        !           478:     return c;
        !           479: }
        !           480:
        !           481: cmo_indeterminate* new_cmo_indeterminate(cmo* ob)
        !           482: {
        !           483:     cmo_indeterminate* c = malloc(sizeof(cmo_indeterminate));
        !           484:     c->tag = CMO_INDETERMINATE;
        !           485:     c->ob  = ob;
        !           486:     return c;
        !           487: }
        !           488:
        !           489: cmo_distributed_polynomial* new_cmo_distributed_polynomial()
        !           490: {
        !           491:     cmo_distributed_polynomial* c = malloc(sizeof(cmo_distributed_polynomial));
        !           492:     c->tag     = CMO_DISTRIBUTED_POLYNOMIAL;
        !           493:     c->length  = 0;
        !           494:     c->head->next = NULL;
        !           495:     c->ringdef = NULL;
        !           496:     return c;
        !           497: }
        !           498:
        !           499: cmo_error2* new_cmo_error2(cmo* ob)
        !           500: {
        !           501:     cmo_error2* c = malloc(sizeof(cmo_error2));
        !           502:     c->tag = CMO_ERROR2;
        !           503:     c->ob  = ob;
        !           504:     return c;
        !           505: }
        !           506:
        !           507: void send_ox_command(int fd, int sm_command)
        !           508: {
        !           509:     send_ox_tag(fd, OX_COMMAND);
        !           510:     send_int32(fd, sm_command);
        !           511: }
        !           512:
        !           513: int print_cmo(cmo* c)
        !           514: {
        !           515:     int tag = c->tag;
        !           516:
        !           517:     symbol* symp = lookup_by_tag(tag);
        !           518:     if (symp != NULL) {
        !           519:         fprintf(stderr, "(%s", symp->key);
        !           520:     }else {
        !           521:         fprintf(stderr, "(%d", tag);
        !           522:     }
        !           523:
        !           524:     switch(tag) {
        !           525:     case CMO_LIST:
        !           526:         print_cmo_list((cmo_list *)c);
        !           527:         break;
        !           528:     case CMO_INT32:
        !           529:         print_cmo_int32((cmo_int32 *)c);
        !           530:         break;
        !           531:     case CMO_MATHCAP:
        !           532:     case CMO_INDETERMINATE:
        !           533:     case CMO_RING_BY_NAME:
        !           534:     case CMO_ERROR2:
        !           535:         print_cmo_mathcap((cmo_mathcap *)c);
        !           536:         break;
        !           537:     case CMO_STRING:
        !           538:         print_cmo_string((cmo_string *)c);
        !           539:         break;
        !           540:     case CMO_NULL:
        !           541:     case CMO_ZERO:
        !           542:     case CMO_DMS_GENERIC:
        !           543:         fprintf(stderr, ")");
        !           544:         break;
        !           545:     default:
        !           546:         fprintf(stderr, "print_cmo() does not know how to print.\n");
        !           547:     }
        !           548: }
        !           549:
        !           550: int print_cmo_int32(cmo_int32* c)
        !           551: {
        !           552:     fprintf(stderr, ", %d)", c->i);
        !           553: }
        !           554:
        !           555: int print_cmo_list(cmo_list* li)
        !           556: {
        !           557:     cell* cp = li->head;
        !           558:     while(cp->next != NULL) {
        !           559:         fprintf(stderr, ", ");
        !           560:         print_cmo(cp->cmo);
        !           561:         cp=cp->next;
        !           562:     }
        !           563:     fprintf(stderr, ")");
        !           564: }
        !           565:
        !           566: int print_cmo_mathcap(cmo_mathcap* c)
        !           567: {
        !           568:     fprintf(stderr, ", ");
        !           569:     print_cmo(c->ob);
        !           570:     fprintf(stderr, ")");
        !           571: }
        !           572:
        !           573: int print_cmo_string(cmo_string* c)
        !           574: {
        !           575:     fprintf(stderr, ", \"%s\")", c->s);
        !           576: }
        !           577:
        !           578: void ox_close(ox_file_t sv)
        !           579: {
        !           580:     send_ox_command(sv->control, SM_control_kill);
        !           581: #ifdef DEBUG
        !           582:     sleep(2); /* OpenXM server の終了を待つ. あまり意味はない. */
        !           583:     fprintf(stderr, "I have closed the connection to an Open XM server.\n");
        !           584: #endif
        !           585: }
        !           586:
        !           587: void ox_executeStringByLocalParser(ox_file_t sv, char* s)
        !           588: {
        !           589:     if (s != NULL) {
        !           590:         /* 文字列ををスタックにプッシュ. */
        !           591:         send_ox_cmo(sv->stream, (cmo *)new_cmo_string(s));
        !           592:         /* サーバに実行させる. */
        !           593:         send_ox_command(sv->stream, SM_executeStringByLocalParser);
        !           594:     }
        !           595: }
        !           596:
        !           597: /* ox_mathcap() をコールする.  */
        !           598: cmo_mathcap* ox_mathcap(ox_file_t sv)
        !           599: {
        !           600:     send_ox_command(sv->stream, SM_mathcap);
        !           601:     send_ox_command(sv->stream, SM_popCMO);
        !           602:     receive_ox_tag(sv->stream);          /* OX_DATA */
        !           603:     return (cmo_mathcap *)receive_cmo(sv->stream);
        !           604: }
        !           605:
        !           606: char* ox_popString(ox_file_t sv, int fd)
        !           607: {
        !           608:     cmo_string* m = NULL;
        !           609:
        !           610:     send_ox_command(fd, SM_popString);
        !           611:     receive_ox_tag(fd); /* OX_DATA */
        !           612:     m = (cmo_string *)receive_cmo(fd);
        !           613:     return m->s;
        !           614: }
        !           615:
        !           616: cmo* ox_pop_cmo(ox_file_t sv, int fd)
        !           617: {
        !           618:     send_ox_command(fd, SM_popCMO);
        !           619:     receive_ox_tag(fd); /* OX_DATA */
        !           620:     return receive_cmo(fd);
        !           621: }
        !           622:
        !           623: /* 手抜き. (後で改善しよう...) */
        !           624: static char *create_otp()
        !           625: {
        !           626:     static char otp[] = "otpasswd";
        !           627:     return otp;
        !           628: }
        !           629:
        !           630: /* OneTimePassword の処理 */
        !           631: static int login_with_otp(int fd, char* passwd)
        !           632: {
        !           633:     int len   = strlen(passwd)+1;
        !           634:     char *buf = alloca(len);
        !           635:     int n     = read(fd, buf, len);
        !           636:     int ret   = strcmp(passwd, buf);
        !           637:
        !           638: #ifdef DEBUG
        !           639:     if (ret != 0) {
        !           640:         fprintf(stderr, "Socket#%d: Login incorrect.\n", fd);
        !           641:     }else {
        !           642:         fprintf(stderr, "Socket#%d: login!.\n", fd);
        !           643:     }
        !           644:     fprintf(stderr, "password = (%s), %d bytes.\n", passwd, len);
        !           645:     fprintf(stderr, "received = (%s), %d bytes.\n", buf, n);
        !           646:     fflush(stderr);
        !           647: #endif
        !           648:
        !           649:     return ret;
        !           650: }
        !           651:
        !           652: static int exists_ox(char *dir, char *prog)
        !           653: {
        !           654:     char *path = alloca(strlen(dir)+strlen(prog)+6);
        !           655:     sprintf(path, "%s/%s", dir, prog);
        !           656:     return access(path, X_OK|R_OK);
        !           657: }
        !           658:
        !           659: static char *search_ox(char *prog)
        !           660: {
        !           661:     char *env = getenv("OpenXM_HOME");
        !           662:     char *dir;
        !           663:     if (env != NULL) {
        !           664:         dir = malloc(strlen(env)+5);
        !           665:         sprintf(dir, "%s/bin", env);
        !           666:         if (exists_ox(dir, prog) == 0) {
        !           667:             return dir;
        !           668:         }
        !           669:         free(dir);
        !           670:     }
        !           671:     dir = "/usr/local/OpenXM/bin";
        !           672:     if (exists_ox(dir, prog) == 0) {
        !           673:         return dir;
        !           674:     }
        !           675:     dir = ".";
        !           676:     if (exists_ox(dir, prog) == 0) {
        !           677:         return dir;
        !           678:     }
        !           679:     return NULL;
        !           680: }
        !           681:
        !           682: static int mysocketAccept2(int fd, char *pass)
        !           683: {
        !           684:     fd = mysocketAccept(fd);
        !           685:     if(login_with_otp(fd, pass)==0) {
        !           686:         decideByteOrderClient(fd, 0);
        !           687:         return fd;
        !           688:     }
        !           689:     close(fd);
        !           690:     return -1;
        !           691: }
        !           692:
        !           693: /*
        !           694:    (-reverse 版の ox_start)
        !           695:    ox_start は クライアントが呼び出すための関数である.
        !           696:    サーバでは使われない.  ctl_prog は コントロールサーバであり,
        !           697:    -ox, -reverse, -data, -control, -pass, -host
        !           698:    というオプションを理解することを仮定する. dat_prog は計算サーバである.
        !           699:    接続時には, sv->control を先にオープンする.
        !           700: */
        !           701:
        !           702: ox_file_t ox_start(char* host, char* ctl_prog, char* dat_prog)
        !           703: {
        !           704:     char *pass;
        !           705:     char ctl[16], dat[16];
        !           706:     short portControl = 0; /* short であることに注意 */
        !           707:     short portStream  = 0;
        !           708:     ox_file_t sv = NULL;
        !           709:     char *dir;
        !           710:
        !           711:     if ((dir = search_ox(ctl_prog)) == NULL) {
        !           712:         fprintf(stderr, "client:: %s not found.\n", ctl_prog);
        !           713:         return NULL;
        !           714:     }
        !           715:     sv = malloc(sizeof(__ox_file_struct));
        !           716:     sv->control = mysocketListen(host, &portControl);
        !           717:     sv->stream  = mysocketListen(host, &portStream);
        !           718:
        !           719:     sprintf(ctl, "%d", portControl);
        !           720:     sprintf(dat, "%d", portStream);
        !           721:     pass = create_otp();
        !           722:
        !           723:     if (fork() == 0) {
        !           724:         dup2(2, 1);
        !           725:         dup2(open(DEFAULT_LOGFILE, O_RDWR|O_CREAT|O_TRUNC, 0644), 2);
        !           726:         chdir(dir);
        !           727:         execl(ctl_prog, ctl_prog, "-reverse", "-ox", dat_prog,
        !           728:               "-data", dat, "-control", ctl, "-pass", pass,
        !           729:               "-host", host, NULL);
        !           730:     }
        !           731:
        !           732:     if ((sv->control = mysocketAccept2(sv->control, pass)) == -1) {
        !           733:         close(sv->stream);
        !           734:         return NULL;
        !           735:     }
        !           736:     /* 10マイクロ秒, 時間稼ぎする. */
        !           737:     usleep(10);
        !           738:     if((sv->stream  = mysocketAccept2(sv->stream, pass)) == -1) {
        !           739:         return NULL;
        !           740:     }
        !           741:     return sv;
        !           742: }
        !           743:
        !           744: /*
        !           745:    (-insecure 版の ox_start)  まだ、中身はありません。
        !           746:    ox_start_insecure_nonreverse は クライアントが呼び出すための関数である.
        !           747:    接続時には, sv->control を先にオープンする.
        !           748:    既定値:
        !           749:    portControl = 1200
        !           750:    portStream  = 1300
        !           751: */
        !           752:
        !           753: ox_file_t ox_start_insecure_nonreverse(char* host, short portControl, short portStream)
        !           754: {
        !           755:     ox_file_t sv = malloc(sizeof(__ox_file_struct));
        !           756:
        !           757:     sv->control = mysocketOpen(host, portControl);
        !           758: #if 0
        !           759:     /* ox は insecure のとき byte order の決定が正しくできないようだ... */
        !           760:     decideByteOrderClient(sv->control, 0);
        !           761: #endif
        !           762:     /* 10マイクロ秒, 時間稼ぎする. */
        !           763:     usleep(10);
        !           764:     sv->stream  = mysocketOpen(host, portStream);
        !           765:     decideByteOrderClient(sv->stream, 0);
        !           766:     return sv;
        !           767: }
        !           768:
        !           769: void ox_reset(ox_file_t sv)
        !           770: {
        !           771:     send_ox_command(sv->control, SM_control_reset_connection);
        !           772:
        !           773:     receive_ox_tag(sv->control);      /* OX_DATA */
        !           774:     receive_cmo(sv->control);         /* (CMO_INT32, 0) */
        !           775:
        !           776:     while(receive_ox_tag(sv->stream) != OX_SYNC_BALL) {
        !           777:         receive_cmo(sv->stream); /* skipping a message. */
        !           778:     }
        !           779:
        !           780:     send_ox_tag(sv->stream, OX_SYNC_BALL);
        !           781: #ifdef DEBUG
        !           782:     fprintf(stderr, "I have reset an Open XM server.\n");
        !           783: #endif
        !           784: }
        !           785:
        !           786: /* 以下は bconv.c で必要とする関数群である. */
        !           787:
        !           788: /* cmolen 関数は cmo の(送信時の)バイト長を返す. */
        !           789: /* cmolen_XXX 関数は cmo_XXX の tag を除いたバイト長を返す. */
        !           790:
        !           791: static int cmolen_cmo_null(cmo_null* c)
        !           792: {
        !           793:     return 0;
        !           794: }
        !           795:
        !           796: static int cmolen_cmo_int32(cmo_int32* c)
        !           797: {
        !           798:     return sizeof(int);
        !           799: }
        !           800:
        !           801: static int cmolen_cmo_string(cmo_string* c)
        !           802: {
        !           803:     return sizeof(int)+strlen(c->s);
        !           804: }
        !           805:
        !           806: static int cmolen_cmo_mathcap(cmo_mathcap* c)
        !           807: {
        !           808:     return cmolen_cmo(c->ob);
        !           809: }
        !           810:
        !           811: static int cmolen_cmo_list(cmo_list* c)
        !           812: {
        !           813:     int size = sizeof(int);
        !           814:     cell* cp = c->head;
        !           815:
        !           816:     while(cp->next != NULL) {
        !           817:         size += cmolen_cmo(cp->cmo);
        !           818:         cp = cp->next;
        !           819:     }
        !           820:     return size;
        !           821: }
        !           822:
        !           823: static int cmolen_cmo_monomial32(cmo_monomial32* c)
        !           824: {
        !           825:     int len = (c->length + 1)*sizeof(int);
        !           826:     return len + cmolen_cmo(c->coef);
        !           827: }
        !           828:
        !           829: static int cmolen_cmo_zz(cmo_zz* c)
        !           830: {
        !           831:     int len = abs(c->mpz->_mp_size);
        !           832:     return sizeof(len) + len*sizeof(int);
        !           833: }
        !           834:
        !           835: static int cmolen_cmo_distributed_polynomial(cmo_distributed_polynomial* c)
        !           836: {
        !           837:     return cmolen_cmo_list((cmo_list *)c) + cmolen_cmo(c->ringdef);
        !           838: }
        !           839:
        !           840: /* CMO がバイトエンコードされた場合のバイト列の長さを求める */
        !           841: int cmolen_cmo(cmo* c)
        !           842: {
        !           843:     int size = sizeof(int);
        !           844:
        !           845:     switch(c->tag) {
        !           846:     case CMO_NULL:
        !           847:     case CMO_ZERO:
        !           848:     case CMO_DMS_GENERIC:
        !           849:         size += cmolen_cmo_null(c);
        !           850:         break;
        !           851:     case CMO_INT32:
        !           852:         size += cmolen_cmo_int32((cmo_int32 *)c);
        !           853:         break;
        !           854:     case CMO_STRING:
        !           855:         size += cmolen_cmo_string((cmo_string *)c);
        !           856:         break;
        !           857:     case CMO_MATHCAP:
        !           858:     case CMO_RING_BY_NAME:
        !           859:     case CMO_INDETERMINATE:
        !           860:     case CMO_ERROR2:
        !           861:         size += cmolen_cmo_mathcap((cmo_mathcap *)c);
        !           862:         break;
        !           863:     case CMO_LIST:
        !           864:         size += cmolen_cmo_list((cmo_list *)c);
        !           865:         break;
        !           866:     case CMO_MONOMIAL32:
        !           867:         size += cmolen_cmo_monomial32((cmo_monomial32 *)c);
        !           868:         break;
        !           869:     case CMO_ZZ:
        !           870:         size += cmolen_cmo_zz((cmo_zz *)c);
        !           871:         break;
        !           872:     case CMO_DISTRIBUTED_POLYNOMIAL:
        !           873:         size += cmolen_cmo_distributed_polynomial((cmo_distributed_polynomial *)c);
        !           874:         break;
        !           875:     default:
        !           876:     }
        !           877:     return size;
        !           878: }
        !           879:
        !           880: static int  d_ptr;
        !           881: static char *d_buf;
        !           882:
        !           883: int init_dump_buffer(char *s)
        !           884: {
        !           885:     d_buf = s;
        !           886:     d_ptr = 0;
        !           887: }
        !           888:
        !           889: static int dump_cmo_null(cmo_null* m)
        !           890: {
        !           891:     return 0;
        !           892: }
        !           893:
        !           894: static int dump_cmo_int32(cmo_int32* m)
        !           895: {
        !           896:     dump_integer(m->i);
        !           897: }
        !           898:
        !           899: static int dump_cmo_string(cmo_string* m)
        !           900: {
        !           901:     int len = strlen(m->s);
        !           902:     dump_integer(len);
        !           903:     dump_string(m->s, len);
        !           904: }
        !           905:
        !           906: static int dump_cmo_mathcap(cmo_mathcap* c)
        !           907: {
        !           908:     dump_cmo(c->ob);
        !           909: }
        !           910:
        !           911: static int dump_cmo_list(cmo_list* m)
        !           912: {
        !           913:     cell* cp = m->head;
        !           914:     int len = length_cmo_list(m);
        !           915:     dump_integer(len);
        !           916:
        !           917:     while(cp->next != NULL) {
        !           918:         dump_cmo(cp->cmo);
        !           919:         cp = cp->next;
        !           920:     }
        !           921: }
        !           922:
        !           923: static int dump_cmo_monomial32(cmo_monomial32* c)
        !           924: {
        !           925:     int i;
        !           926:     int length = c->length;
        !           927:     dump_integer(c->length);
        !           928:     for(i=0; i<length; i++) {
        !           929:         dump_integer(c->exps[i]);
        !           930:     }
        !           931:     dump_cmo(c->coef);
        !           932: }
        !           933:
        !           934: static int dump_cmo_zz(cmo_zz* c)
        !           935: {
        !           936:     dump_mpz(c->mpz);
        !           937: }
        !           938:
        !           939: static int dump_cmo_distributed_polynomial(cmo_distributed_polynomial* m)
        !           940: {
        !           941:     cell* cp = m->head;
        !           942:     int len = length_cmo_list((cmo_list *)m);
        !           943:     dump_integer(len);
        !           944:     dump_cmo(m->ringdef);
        !           945:     while(cp != NULL) {
        !           946:         dump_cmo(cp->cmo);
        !           947:         cp = cp->next;
        !           948:     }
        !           949: }
        !           950:
        !           951: /* タグを書き出してから、各関数を呼び出す */
        !           952: int dump_cmo(cmo* m)
        !           953: {
        !           954:     dump_integer(m->tag);
        !           955:     switch(m->tag) {
        !           956:     case CMO_NULL:
        !           957:     case CMO_ZERO:
        !           958:     case CMO_DMS_GENERIC:
        !           959:         dump_cmo_null(m);
        !           960:         break;
        !           961:     case CMO_INT32:
        !           962:         dump_cmo_int32((cmo_int32 *)m);
        !           963:         break;
        !           964:     case CMO_STRING:
        !           965:         dump_cmo_string((cmo_string *)m);
        !           966:         break;
        !           967:     case CMO_MATHCAP:
        !           968:     case CMO_RING_BY_NAME:
        !           969:     case CMO_INDETERMINATE:
        !           970:     case CMO_ERROR2:
        !           971:         dump_cmo_mathcap((cmo_mathcap *)m);
        !           972:         break;
        !           973:     case CMO_LIST:
        !           974:         dump_cmo_list((cmo_list *)m);
        !           975:         break;
        !           976:     case CMO_MONOMIAL32:
        !           977:         dump_cmo_monomial32((cmo_monomial32 *)m);
        !           978:         break;
        !           979:     case CMO_ZZ:
        !           980:         dump_cmo_zz((cmo_zz *)m);
        !           981:         break;
        !           982:     case CMO_DISTRIBUTED_POLYNOMIAL:
        !           983:         dump_cmo_distributed_polynomial((cmo_distributed_polynomial *)m);
        !           984:         break;
        !           985:     default:
        !           986:     }
        !           987: }
        !           988:
        !           989: static int dump_mpz(mpz_ptr mpz)
        !           990: {
        !           991:     int i;
        !           992:     int len = abs(mpz->_mp_size);
        !           993:     dump_integer(mpz->_mp_size);
        !           994:     for(i=0; i<len; i++) {
        !           995:         dump_integer(mpz->_mp_d[i]);
        !           996:     }
        !           997:     return;
        !           998: }
        !           999:
        !          1000: static int dump_string(char *s, int len)
        !          1001: {
        !          1002:     memcpy(&d_buf[d_ptr], s, len);
        !          1003:     d_ptr += len;
        !          1004: }
        !          1005:
        !          1006: static int dump_integer(int x)
        !          1007: {
        !          1008:     int nx = htonl(x);
        !          1009:     dump_string((char *)&nx, sizeof(int));
        !          1010: }
        !          1011:
        !          1012: int dump_ox_data(ox_data* m)
        !          1013: {
        !          1014:     dump_integer(OX_DATA);
        !          1015:     dump_integer(-1);
        !          1016:     dump_cmo(m->cmo);
        !          1017: }
        !          1018:
        !          1019: int dump_ox_command(ox_command* m)
        !          1020: {
        !          1021:     dump_integer(OX_COMMAND);
        !          1022:     dump_integer(-1);
        !          1023:     dump_integer(m->command);
        !          1024: }
        !          1025:
        !          1026: int send_ox(ox_file_t s, ox *m)
        !          1027: {
        !          1028:     int tag = m->tag;
        !          1029:     int code;
        !          1030:     if (tag == OX_DATA) {
        !          1031:         send_ox_cmo(s->stream, ((ox_data *)m)->cmo);
        !          1032:     }else if (tag == OX_COMMAND) {
        !          1033:         code = ((ox_command *)m)->command;
        !          1034:         if (code >= 1024) {
        !          1035:             /* control command */
        !          1036:             send_ox_command(s->control, code);
        !          1037:         }else {
        !          1038:             send_ox_command(s->stream, code);
        !          1039:         }
        !          1040:     }else {
        !          1041:         /* CMO?? */
        !          1042:         send_ox_cmo(s->stream, (cmo *)m);
        !          1043:     }
        !          1044: }
        !          1045:
        !          1046: int send_ox_cmo(int fd, cmo* m)
        !          1047: {
        !          1048:     send_ox_tag(fd, OX_DATA);
        !          1049:     send_cmo(fd, m);
        !          1050: }
        !          1051:
        !          1052: /* send_cmo_xxx 関数群 */
        !          1053: static int send_cmo_null(int fd, cmo_null* c)
        !          1054: {
        !          1055:     return 0;
        !          1056: }
        !          1057:
        !          1058: static int send_cmo_int32(int fd, cmo_int32* m)
        !          1059: {
        !          1060:     send_int32(fd, m->i);
        !          1061: }
        !          1062:
        !          1063: static int send_cmo_string(int fd, cmo_string* m)
        !          1064: {
        !          1065:     int len = (m->s != NULL)? strlen(m->s): 0;
        !          1066:     send_int32(fd, len);
        !          1067:     if (len > 0) {
        !          1068:         write(fd, m->s, len);
        !          1069:     }
        !          1070:     return 0;
        !          1071: }
        !          1072:
        !          1073: static int send_cmo_mathcap(int fd, cmo_mathcap* c)
        !          1074: {
        !          1075:     send_cmo(fd, c->ob);
        !          1076:     return 0;
        !          1077: }
        !          1078:
        !          1079: static int send_cmo_list(int fd, cmo_list* c)
        !          1080: {
        !          1081:     cell* cp = c->head;
        !          1082:     int len = length_cmo_list(c);
        !          1083:     send_int32(fd, len);
        !          1084:
        !          1085:     while(cp->next != NULL) {
        !          1086:         send_cmo(fd, cp->cmo);
        !          1087:         cp = cp->next;
        !          1088:     }
        !          1089:     return 0;
        !          1090: }
        !          1091:
        !          1092: static int send_cmo_distributed_polynomial(int fd, cmo_distributed_polynomial* c)
        !          1093: {
        !          1094:     cell* cp = c->head;
        !          1095:     int len = length_cmo_list((cmo_list *)c);
        !          1096:     send_int32(fd, len);
        !          1097:     send_cmo(fd, c->ringdef);
        !          1098:
        !          1099:     while(cp->next != NULL) {
        !          1100:         send_cmo(fd, cp->cmo);
        !          1101:         cp = cp->next;
        !          1102:     }
        !          1103:     return 0;
        !          1104: }
        !          1105:
        !          1106: static int send_cmo_monomial32(int fd, cmo_monomial32* c)
        !          1107: {
        !          1108:     int i;
        !          1109:     int len = c->length;
        !          1110:     send_int32(fd, len);
        !          1111:     for(i=0; i<len; i++) {
        !          1112:         send_int32(fd, c->exps[i]);
        !          1113:     }
        !          1114:     send_cmo(fd, c->coef);
        !          1115:     return 0;
        !          1116: }
        !          1117:
        !          1118: static int send_cmo_zz(int fd, cmo_zz* c)
        !          1119: {
        !          1120:     send_mpz(fd, c->mpz);
        !          1121:     return 0;
        !          1122: }
        !          1123:
        !          1124: static int send_cmo_error2(int fd, cmo_error2* c)
        !          1125: {
        !          1126:     send_cmo(fd, c->ob);
        !          1127:     return 0;
        !          1128: }
        !          1129:
        !          1130: /* CMOを送る.  OX_tag は送信済*/
        !          1131: int send_cmo(int fd, cmo* c)
        !          1132: {
        !          1133:     int tag = c->tag;
        !          1134:
        !          1135:     send_int32(fd, tag);
        !          1136:     switch(tag) {
        !          1137:     case CMO_NULL:
        !          1138:     case CMO_ZERO:
        !          1139:     case CMO_DMS_GENERIC:
        !          1140:         send_cmo_null(fd, c);  /* 空の関数 */
        !          1141:         break;
        !          1142:     case CMO_INT32:
        !          1143:         send_cmo_int32(fd, (cmo_int32 *)c);
        !          1144:         break;
        !          1145:     case CMO_STRING:
        !          1146:         send_cmo_string(fd, (cmo_string *)c);
        !          1147:         break;
        !          1148:     case CMO_MATHCAP:
        !          1149:     case CMO_ERROR2:
        !          1150:     case CMO_RING_BY_NAME:
        !          1151:     case CMO_INDETERMINATE:
        !          1152:         send_cmo_mathcap(fd, (cmo_mathcap *)c);
        !          1153:         break;
        !          1154:     case CMO_LIST:
        !          1155:         send_cmo_list(fd, (cmo_list *)c);
        !          1156:         break;
        !          1157:     case CMO_MONOMIAL32:
        !          1158:         send_cmo_monomial32(fd, (cmo_monomial32 *)c);
        !          1159:         break;
        !          1160:     case CMO_ZZ:
        !          1161:         send_cmo_zz(fd, (cmo_zz *)c);
        !          1162:         break;
        !          1163:     case CMO_DISTRIBUTED_POLYNOMIAL:
        !          1164:         send_cmo_distributed_polynomial(fd, (cmo_distributed_polynomial *)c);
        !          1165:         break;
        !          1166:     default:
        !          1167:     }
        !          1168: }
        !          1169:
        !          1170: static int send_mpz(int fd, mpz_ptr mpz)
        !          1171: {
        !          1172:     int i;
        !          1173:     int len = abs(mpz->_mp_size);
        !          1174:     send_int32(fd, mpz->_mp_size);
        !          1175:     for(i=0; i<len; i++) {
        !          1176:         send_int32(fd, mpz->_mp_d[i]);
        !          1177:     }
        !          1178:     return 0;
        !          1179: }
        !          1180:
        !          1181: ox_data* new_ox_data(cmo* c)
        !          1182: {
        !          1183:     ox_data* m = malloc(sizeof(ox_data));
        !          1184:     m->tag = OX_DATA;
        !          1185:     m->cmo = c;
        !          1186:     return m;
        !          1187: }
        !          1188:
        !          1189: ox_command* new_ox_command(int sm_code)
        !          1190: {
        !          1191:     ox_command* m = malloc(sizeof(ox_command));
        !          1192:     m->tag = OX_COMMAND;
        !          1193:     m->command = sm_code;
        !          1194:     return m;
        !          1195: }
        !          1196:
        !          1197: ox_sync_ball* new_ox_sync_ball()
        !          1198: {
        !          1199:     ox_sync_ball *m = malloc(sizeof(ox_sync_ball));
        !          1200:     m->tag = OX_SYNC_BALL;
        !          1201:     return m;
        !          1202: }
        !          1203:
        !          1204: #define ID_TEMP   "(CMO_LIST, (CMO_INT32, %d), (CMO_STRING, \"%s\"), (CMO_STRING, \"%s\"), (CMO_STRING, \"%s\"))"
        !          1205:
        !          1206: static cmo_list* make_list_of_id(int ver, char* ver_s, char* sysname)
        !          1207: {
        !          1208:     cmo_list *cap;
        !          1209:     char buff[512];
        !          1210:
        !          1211:     setgetc(mygetc);
        !          1212:     sprintf(buff, ID_TEMP, ver, sysname, ver_s, getenv("HOSTTYPE"));
        !          1213:     setmode_mygetc(buff, 512);
        !          1214:     cap = (cmo_list *)parse();
        !          1215:     resetgetc();
        !          1216:
        !          1217:     return cap;
        !          1218: }
        !          1219:
        !          1220: static cmo_list *make_list_of_tag(int type)
        !          1221: {
        !          1222:     cmo_list *li = new_cmo_list();
        !          1223:     symbol *symp;
        !          1224:     int i = 0;
        !          1225:     while((symp = lookup(i++))->key != NULL) {
        !          1226:         if (symp->type == type) {
        !          1227:             append_cmo_list(li, (cmo *)new_cmo_int32(symp->tag));
        !          1228:         }
        !          1229:     }
        !          1230:     return li;
        !          1231: }
        !          1232:
        !          1233: cmo* make_mathcap_object(int version, char *id_string)
        !          1234: {
        !          1235:     char *sysname    = "ox_math";
        !          1236:     cmo_list *li     = new_cmo_list();
        !          1237:     cmo_list *li_1st = make_list_of_id(version, id_string, sysname);
        !          1238:     cmo_list *li_2nd = make_list_of_tag(IS_SM);
        !          1239:     cmo_list *li_3rd = new_cmo_list();
        !          1240:     cmo_list *li_cmo = make_list_of_tag(IS_CMO);
        !          1241:
        !          1242:     cmo_list *li_ox_data  = new_cmo_list();
        !          1243:     append_cmo_list(li_ox_data,  (cmo *)new_cmo_int32(OX_DATA));
        !          1244:     append_cmo_list(li_ox_data,  (cmo *)li_cmo);
        !          1245:     append_cmo_list(li_3rd, (cmo *)li_ox_data);
        !          1246:
        !          1247:     append_cmo_list(li, (cmo *)li_1st);
        !          1248:     append_cmo_list(li, (cmo *)li_2nd);
        !          1249:     append_cmo_list(li, (cmo *)li_3rd);
        !          1250:
        !          1251:     return (cmo *)new_cmo_mathcap((cmo *)li);
        !          1252: }
        !          1253:
        !          1254: /* ファイルディスクリプタ fd の通信路での integer の byte order を決定する */
        !          1255: /* 実際には order (0,1,or 0xFF)をみてはいない */
        !          1256: int decideByteOrderClient(oxfd fd, int order)
        !          1257: {
        !          1258:     char zero = OX_BYTE_NETWORK_BYTE_ORDER;
        !          1259:     char dest;
        !          1260:     read(fd, &dest, sizeof(char));
        !          1261:     write(fd, &zero, sizeof(char));
        !          1262:     return 0;
        !          1263: }
        !          1264:
        !          1265: /* Server 側ではこちらを用いる */
        !          1266: /* いまの実装は dup されていることが前提になっている */
        !          1267: int decideByteOrderServer(oxfd fd, int order)
        !          1268: {
        !          1269:     char zero = OX_BYTE_NETWORK_BYTE_ORDER;
        !          1270:     char dest;
        !          1271:     write(fd, &zero, sizeof(char));
        !          1272:     read(fd, &dest, sizeof(char));
        !          1273:     return 0;
        !          1274: }
        !          1275:
        !          1276: /* cmo と string (ここではC言語のstring) の変換関数群 */
        !          1277: char *convert_zz_to_string(cmo_zz *c)
        !          1278: {
        !          1279:     return mpz_get_str(NULL, 10, c->mpz);
        !          1280: }
        !          1281:
        !          1282: char *convert_null_to_string()
        !          1283: {
        !          1284:     static char* null_string = "";
        !          1285:     return null_string;
        !          1286: }
        !          1287:
        !          1288: char *convert_int_to_string(int integer)
        !          1289: {
        !          1290:     char buff[1024];
        !          1291:     char *s;
        !          1292:
        !          1293:     sprintf(buff, "%d", integer);
        !          1294:     s = malloc(strlen(buff)+1);
        !          1295:     strcpy(s, buff);
        !          1296:
        !          1297:     return s;
        !          1298: }
        !          1299:
        !          1300: char *convert_cmo_list_to_string(cmo_list *m)
        !          1301: {
        !          1302:     char *s;
        !          1303:     int i;
        !          1304:     int size = 0;
        !          1305:     int len = length_cmo_list(m);
        !          1306:     char **sp = malloc(len*sizeof(cmo *));
        !          1307:
        !          1308:     cell *cp = m->head;
        !          1309:     for(i = 0; i < len; i++) {
        !          1310:         sp[i] = convert_cmo_to_string(cp->cmo);
        !          1311:         size += strlen(sp[i]) + 3;
        !          1312:         cp = cp->next;
        !          1313:     }
        !          1314:     s = malloc(size+2);
        !          1315:     strcpy(s, "[ ");
        !          1316:     for(i = 0; i < len - 1; i++) {
        !          1317:         strcat(s, sp[i]);
        !          1318:         strcat(s, " , ");
        !          1319:     }
        !          1320:     strcat(s, sp[len-1]);
        !          1321:     strcat(s, " ]");
        !          1322:     free(sp);
        !          1323:     return s;
        !          1324: }
        !          1325:
        !          1326: char *convert_cmo_to_string(cmo *m)
        !          1327: {
        !          1328:     symbol *symp;
        !          1329:     switch(m->tag) {
        !          1330:     case CMO_ZZ:
        !          1331:         return convert_zz_to_string((cmo_zz *)m);
        !          1332:     case CMO_INT32:
        !          1333:         return convert_int_to_string(((cmo_int32 *)m)->i);
        !          1334:     case CMO_STRING:
        !          1335:         return ((cmo_string *)m)->s;
        !          1336:     case CMO_NULL:
        !          1337:         return convert_null_to_string();
        !          1338:     case CMO_LIST:
        !          1339:         return convert_cmo_list_to_string((cmo_list *)m);
        !          1340:     default:
        !          1341: #ifdef DEBUG
        !          1342:         symp = lookup_by_tag(m->tag);
        !          1343:         fprintf(stderr, "I do not know how to convert %s to a string.\n", symp->key);
        !          1344: #endif
        !          1345:         /* まだ実装していません. */
        !          1346:         return NULL;
        !          1347:     }
        !          1348: }

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