Annotation of OpenXM/src/kan96xx/plugin/oxmisc.c, Revision 1.20
1.20 ! takayama 1: /* $OpenXM: OpenXM/src/kan96xx/plugin/oxmisc.c,v 1.19 2004/02/25 23:14:35 takayama Exp $ */
1.1 maekawa 2: #include <stdio.h>
3: #include <sys/types.h>
4: #include <sys/stat.h>
5: #include <sys/socket.h>
6: #include <sys/time.h>
7: #include <netinet/in.h>
8: #include <netdb.h>
9: #include <fcntl.h>
10: #include <stdlib.h>
11: #include <unistd.h>
12: #include <signal.h>
13: #include <setjmp.h>
1.19 takayama 14: #include <errno.h>
1.5 takayama 15: #define SET_MYERROROUT { if (MyErrorOut == NULL) MyErrorOut=stdout; }
16: /* It is also defined in oxmisc2.c */
17: FILE *MyErrorOut = NULL;
1.1 maekawa 18:
19: /* Include files to understand object */
20: #include "../Kan/datatype.h"
21: #include "../Kan/stackm.h"
22: #include "../Kan/extern.h"
23:
24: #include "ox_kan.h"
25:
26: #define READBUFSIZE 5000
27:
1.8 takayama 28: int OxVersion = 200012030;
1.1 maekawa 29: int UseOXPacketSerial = 1;
30: int SerialOX = 1;
31: extern int Quiet;
32:
33: static char *OxPortFileName = ".ox.dummy";
34:
35:
36: int readOneByte(int fd) /* blocking */
37: {
38: static char data[1];
39: int size;
40: int ans;
41: int watch = 1;
42:
1.5 takayama 43: SET_MYERROROUT;
1.1 maekawa 44: if (fd < 0) {
45: fprintf(MyErrorOut,"readOneByte fd < 0 ??? .\n");
46: return(-1);
47: }
48:
49: if (oxSocketSelect0(fd,-1)) { /* block */
50: size = read(fd,data,1);
51: if (size == 0) {
1.7 takayama 52: fprintf(MyErrorOut,"oxSocketSelect0() returns 1, but there is no data. Your peer may be killed.\n");
1.1 maekawa 53: return(-1);
54: }
55: return(data[0]);
56: }else{
57: fprintf(MyErrorOut,"readOneByte: select error in block mode. Retrying.\n");
58: return(-1);
59: }
60: }
61:
62: int readOneByte_org(int fd) /* blocking */
63: {
64: static char data[READBUFSIZE];
65: static int thisFd = -1;
66: static int from = 0;
67: static int to = 0;
68: int size;
69: int ans;
70: int watch = 1;
71:
1.5 takayama 72: SET_MYERROROUT;
1.1 maekawa 73: if ((thisFd == -1) && (fd >= 0)) {thisFd = fd;}
74: if (fd < 0) {
75: fprintf(MyErrorOut,"readOneByte fd < 0 ??? .\n");
76: return(-1);
77: }
78:
79: if (fd != thisFd) {
80: fprintf(MyErrorOut,"readOneByte can be used only for one fd.\n");
81: fflush(NULL);
82: return(-1);
83: }
84: if (to > from) {
85: ans = data[from];
86: from++;
87: if (watch) {
88: printf("%2x ",ans);
89: fflush(stdout);
90: }
91: return(ans);
92: }
93:
94: while (1) {
95: if (oxSocketSelect0(fd,-1)) { /* block */
96: size = read(fd,data,READBUFSIZE-1);
97: if (size == 0) {
1.9 takayama 98: fprintf(MyErrorOut,"oxSocketSelect0() returns 1, but there is no data. Your peer may be killed.\n");
99: return(-1);
1.1 maekawa 100: }
101: from = 0;
102: to = size;
103: return(readOneByte(fd));
104: }else{
105: fprintf(MyErrorOut,"readOneByte: select error in block mode. Retrying.\n"); }
106: }
107: }
108:
109: int oxfdGetInt32(int fd)
110: {
111: char d[4];
112: int i;
113: for (i=0; i<4; i++) {
114: d[i] = readOneByte(fd);
115: }
116: return(ntohl(* ( (int *)d)));
117: }
118:
119: int oxGetInt32(ox_stream ostream)
120: {
121: char d[4];
122: int i;
123: for (i=0; i<4; i++) {
124: d[i] = fp2fgetc(ostream);
125: }
126: return(ntohl(* ( (int *)d)));
127: }
128: int oxGetCMOInt32(ox_stream ostream)
129: {
130: int id;
1.5 takayama 131: SET_MYERROROUT;
1.1 maekawa 132: id = oxGetInt32(ostream);
133: if (id != CMO_INT32) {
134: fprintf(MyErrorOut,"It is not CMO_INT32.\n");
135: return(0);
136: }
137: return(oxGetInt32(ostream));
138: }
139: char *oxGetCMOString(ox_stream ostream) {
140: int id;
141: int size;
142: char *r;
143: int i;
1.5 takayama 144: SET_MYERROROUT;
1.1 maekawa 145: id = oxGetInt32(ostream);
146: if (id != CMO_STRING) {
147: fprintf(MyErrorOut,"It is not CMO_STRING.\n");
148: return(NULL);
149: }
150: size = oxGetInt32(ostream);
151: if (size <0) {
152: return(NULL);
153: }else{
154: r = (char *)mymalloc(size+1);
155: for (i=0; i<size; i++) {
156: r[i] = fp2fgetc(ostream);
157: }
158: r[size] = '\0';
159: return(r);
160: }
161: }
162:
163: void oxfdSendSyncBall(int fd)
164: {
165: oxfdSendOXheader(fd,OX_SYNC_BALL,SerialOX++);
166: }
167:
168: void oxSendSyncBall(ox_stream os)
169: {
170: oxSendOXheader(os,OX_SYNC_BALL,SerialOX++);
171: }
172:
173: int oxWaitSyncBall(ox_stream ostream)
174: {
175: int sss;
176: int mtag;
177: while ((mtag = oxGetOXheader(ostream,&sss)) != OX_SYNC_BALL) {
178: fprintf(stderr,"Looking for the next message tag. mtag=%d\n",mtag);
1.9 takayama 179: /* or stdout */
1.1 maekawa 180: fflush(NULL);
181: }
182: }
183:
184: int oxWaitSyncBall_org(ox_stream ostream)
185: {
186: int mtag;
187: char data[4];
188: int c;
1.5 takayama 189: SET_MYERROROUT;
1.1 maekawa 190: data[0] = data[1] = data[2] = data[3] = 0xff;
191: while (1) {
192: /* This part should be revised so that this part understands
193: the cmo format.
1.9 takayama 194: */
1.1 maekawa 195:
196: if ((c = fp2fgetc(ostream)) < 0) {
197: /* never use read directory. readOneByte() is buffers every thing. */
198: fprintf(MyErrorOut,"End of file.\n");
199: return(-1);
200: }
201: data[0] = data[1];
202: data[1] = data[2];
203: data[2] = data[3];
204: data[3] = (char)c;
205: mtag = ntohl(*((int *)(data)));
206: if (mtag == OX_SYNC_BALL) {
207: printf("Found the OX_SYNC_BALL. \n");
208: fflush(NULL);
209: return(mtag);
210: }
211: fprintf(stderr,"Looking for the next message tag.. %2x, mtag=%d\n",c,mtag);
1.9 takayama 212: /* or stdout */
1.1 maekawa 213: fflush(NULL);
214: }
215: }
216:
217:
218: void oxfdSendCmoNull(int fd)
219: {
220: char data[4];
221: *((int *)&data[0]) = htonl(CMO_NULL);
222: write(fd,data,4);
223: fflush((FILE *)NULL);
224: }
225: void oxSendCmoNull(ox_stream os)
226: {
227: char data[4];
228: *((int *)&data[0]) = htonl(CMO_NULL);
229: fp2write(os,data,4);
230: fp2fflush(os);
231: }
232:
233: void oxSendCmoError(ox_stream os)
234: {
235: char data[4];
236: *((int *)&data[0]) = htonl(CMO_ERROR);
237: fp2write(os,data,4);
238: fp2fflush(os);
239: }
240:
241: void oxSendCmoError2(ox_stream os,char *s)
242: {
243: char data[4];
244: *((int *)&data[0]) = htonl(CMO_ERROR2);
245: fp2write(os,data,4);
246: fp2fflush(os);
247: oxSendCmoString(os,s);
248: }
249:
250: void oxfdSendInt32(int fd,int k)
251: {
252: char data[4];
253: *((int *)&data[0]) = htonl(k);
254: write(fd,data,4);
255: fflush((FILE *)NULL);
256: }
257: void oxSendInt32(ox_stream os,int k)
258: {
259: char data[4];
260: *((int *)&data[0]) = htonl(k);
261: fp2write(os,data,4);
262: fp2fflush(os);
263: }
264:
265: void oxfdSendCmoInt32(int fd,int k)
266: {
267: char data[4*2];
268: *((int *)&data[0]) = htonl(CMO_INT32);
269: *((int *)&data[4]) = htonl(k);
270: write(fd,data,4*2);
271: fflush((FILE *)NULL);
272: }
273: void oxSendCmoInt32(ox_stream os,int k)
274: {
275: char data[4*2];
276: *((int *)&data[0]) = htonl(CMO_INT32);
277: *((int *)&data[4]) = htonl(k);
278: fp2write(os,data,4*2);
279: fp2fflush(os);
280: }
281: void oxfdSendCmoString(int fd,char *s)
282: {
283: char data[4*2];
284: int n;
285: if (s == NULL) n = 0;
286: else {
287: n = strlen(s);
288: }
289: *((int *)&data[0]) = htonl(CMO_STRING);
290: *((int *)&data[4]) = htonl(n);
291: write(fd,data,4*2);
292: if (s != NULL) {
293: write(fd,s,n);
294: }
295: fflush((FILE *)NULL);
296: }
297:
298: void oxSendCmoString(ox_stream os,char *s)
299: {
300: char data[4*2];
301: int n;
302: if (s == NULL) n = 0;
303: else {
304: n = strlen(s);
305: }
306: *((int *)&data[0]) = htonl(CMO_STRING);
307: *((int *)&data[4]) = htonl(n);
308: fp2write(os,data,4*2);
309: if (s != NULL) {
310: fp2write(os,s,n);
311: }
312: fp2fflush(os);
313: }
314:
315:
316:
317: void oxReqPushString(ox_stream os, char *s)
318: {
319: oxSendOXheader(os,OX_DATA,SerialOX++);
320: oxSendCmoString(os,s);
321: }
322:
323: void oxSendResultOfControlInt32(int fd,int i)
324: {
325: char data[4*2];
326: oxfdSendOXheader(fd,OX_DATA,SerialOX++);
327: *((int *)&data[0]) = htonl(CMO_INT32);
328: *((int *)&data[4]) = htonl(i);
329: write(fd,data,4*2);
330: fflush((FILE *)NULL);
331: }
332:
333: void oxSendResultOfControl(int fd)
334: {
335: char data[4*1];
336: oxfdSendOXheader(fd,OX_DATA,SerialOX++);
337: *((int *)&data[0]) = htonl(CMO_NULL);
338: write(fd,data,4*1);
339: fflush((FILE *)NULL);
340: }
341:
342:
343:
344: void oxSendMathCap(ox_stream os,struct mathCap *mathcap)
345: {
1.4 takayama 346: int i,n,infosize,ncmo;
1.1 maekawa 347: struct object mathinfo;
348: /* printf("ox sending mathcap\n"); fflush(stdout); */
349: mathinfo = *((struct object *)(mathcap->infop));
350: infosize = getoaSize(mathinfo);
351:
352: oxSendInt32(os,CMO_MATHCAP);
353:
354: oxSendInt32(os,CMO_LIST);
355: oxSendInt32(os,3);
356:
357: /* [0] */
358: oxSendInt32(os,CMO_LIST);
359: oxSendInt32(os,infosize);
360: oxSendCmoInt32(os,KopInteger(getoa(mathinfo,0)));
361: for (i=1; i<infosize; i++) {
362: oxSendCmoString(os,KopString(getoa(mathinfo,i)));
363: }
364:
365: /* [1] */
366: oxSendInt32(os,CMO_LIST);
367: oxSendInt32(os,mathcap->smSize);
368: n = mathcap->smSize;
369: for (i=0; i<n; i++) {
370: oxSendCmoInt32(os,(mathcap->sm)[i]);
371: }
372:
373: /* [2] */
374: oxSendInt32(os,CMO_LIST);
1.4 takayama 375: n = mathcap->oxSize;
376: oxSendInt32(os,n);
1.1 maekawa 377:
378: oxSendInt32(os,CMO_LIST);
1.4 takayama 379: oxSendInt32(os,2);
1.1 maekawa 380: for (i=0; i<n; i++) {
1.4 takayama 381: /* OX_DATA_xxx */
1.1 maekawa 382: oxSendCmoInt32(os,(mathcap->ox)[i]);
1.4 takayama 383: /* OX_DATA_xxx tags. In case of CMO, it is CMO tags. */
384: oxSendInt32(os,CMO_LIST);
385: oxSendInt32(os,mathcap->n);
386: ncmo = mathcap->n;
387: for (i=0; i<ncmo; i++) {
388: oxSendCmoInt32(os,(mathcap->cmo)[i]);
389: /* printf("i=%d %d, ",i,(mathcap->cmo)[i]); */
390: }
1.1 maekawa 391: }
392: /* printf("\n"); fflush(stdout); */
393: }
394:
395: void oxReqMathCap(ox_stream os) {
396: oxSendOXheader(os,OX_COMMAND,SerialOX++);
397: oxSendInt32(os,SM_mathcap);
398: fp2fflush(os);
399: }
400:
401: void oxReqSetMathCap(ox_stream os,struct mathCap *mathcap) {
402: oxSendOXheader(os,OX_DATA,SerialOX++);
403: oxSendMathCap(os,mathcap);
404: oxSendOXheader(os,OX_COMMAND,SerialOX++);
405: oxSendInt32(os,SM_setMathCap);
406: fp2fflush(os);
407: }
408: void oxReqPops(ox_stream os,int n) {
409: oxSendOXheader(os,OX_DATA,SerialOX++);
410: oxSendCmoInt32(os,n);
411: oxSendOXheader(os,OX_COMMAND,SerialOX++);
412: oxSendInt32(os,SM_pops);
413: fp2fflush(os);
414: }
415: void oxReqSetName(ox_stream os,char *s) {
416: oxSendOXheader(os,OX_DATA,SerialOX++);
417: oxSendCmoString(os,s);
418: oxSendOXheader(os,OX_COMMAND,SerialOX++);
419: oxSendInt32(os,SM_setName);
420: fp2fflush(os);
421: }
422: void oxReqEvalName(ox_stream os,char *s) {
423: oxSendOXheader(os,OX_DATA,SerialOX++);
424: oxSendCmoString(os,s);
425: oxSendOXheader(os,OX_COMMAND,SerialOX++);
426: oxSendInt32(os,SM_evalName);
427: fp2fflush(os);
428: }
429:
430: void oxReqExecuteStringByLocalParser(ox_stream os,char *s)
431: {
432: oxSendOXheader(os,OX_DATA,SerialOX++);
433: oxSendCmoString(os,s);
434: oxSendOXheader(os,OX_COMMAND,SerialOX++);
435: oxSendInt32(os,SM_executeStringByLocalParser);
436: fp2fflush(os);
437: }
438:
439: void oxReqExecuteFunction(ox_stream os,char *s)
440: {
441: oxSendOXheader(os,OX_DATA,SerialOX++);
442: oxSendCmoString(os,s);
443: oxSendOXheader(os,OX_COMMAND,SerialOX++);
444: oxSendInt32(os,SM_executeFunction);
445: fp2fflush(os);
446: }
447:
1.20 ! takayama 448: void oxReqExecuteFunctionWithOptionalArgument(ox_stream os,char *s)
! 449: {
! 450: oxSendOXheader(os,OX_DATA,SerialOX++);
! 451: oxSendCmoString(os,s);
! 452: oxSendOXheader(os,OX_COMMAND,SerialOX++);
! 453: oxSendInt32(os,SM_executeFunctionWithOptionalArgument);
! 454: fp2fflush(os);
! 455: }
! 456:
1.1 maekawa 457:
458: void oxReqPopString(ox_stream os)
459: {
460: oxSendOXheader(os,OX_COMMAND,SerialOX++);
461: oxSendInt32(os,SM_popString);
462: fp2fflush(os);
463: }
464:
465: void oxReqSingleOperand(ox_stream os,int smtag)
466: {
467: oxSendOXheader(os,OX_COMMAND,SerialOX++);
468: oxSendInt32(os,smtag);
469: fp2fflush(os);
470: }
471:
472:
473: void oxReqControlResetConnection(int fd) {
474: oxfdSendOXheader(fd,OX_COMMAND,SerialOX++);
475: oxfdSendInt32(fd,SM_control_reset_connection);
476: fflush(NULL);
477: }
478:
479: void oxReqControlKill(int fd) {
480: oxfdSendOXheader(fd,OX_COMMAND,SerialOX++);
481: oxfdSendInt32(fd,SM_control_kill);
482: fflush(NULL);
483: }
484:
485: void oxReqPopCMO(ox_stream os) {
486: oxSendOXheader(os,OX_COMMAND,SerialOX++);
487: oxSendInt32(os,SM_popCMO);
488: fp2fflush(os);
489: }
490:
491:
492: int oxGetResultOfControlInt32(int fd) {
493: int k; int sss;
1.5 takayama 494: SET_MYERROROUT;
1.1 maekawa 495: k = oxfdGetOXheader(fd,&sss);
496: if (k != OX_DATA) {
497: fprintf(MyErrorOut,"oxGetResultOfControlInt32: wrong header.");
498: return(-1);
499: }
500: k = oxfdGetInt32(fd); /* CMO_INT32 */
501: k = oxfdGetInt32(fd);
502: return(k);
503: }
504:
505: int oxclientMultiSelect(oxclientp clients[],int dataready[],
1.9 takayama 506: int controlready[], int size, int t)
1.1 maekawa 507: {
508: int i, ddd;
509: int fd;
510: int humanfd = 0;
511: fd_set readfds;
512: struct timeval timeout;
513:
1.5 takayama 514: SET_MYERROROUT;
1.1 maekawa 515: /** printf("(1)"); fflush(NULL); */
516: FD_ZERO(&readfds);
517: timeout.tv_sec = 0;
518: timeout.tv_usec = (long) t;
519:
520: ddd = 0; fd = 0;
521: for (i=0; i<size; i++) {
522: dataready[i] = controlready[i] = 0;
523: }
524: for (i=0; i<size; i++) {
525: if (clients[i]->humanio) {
526: fd = (fd<humanfd?humanfd:fd);
527: FD_SET(humanfd,&readfds);
528: if (oxSocketSelect0(humanfd,0)) {
1.9 takayama 529: ddd = dataready[i] = 1; controlready[i] = 0;
1.1 maekawa 530: }else{
1.9 takayama 531: dataready[i] = 0; controlready[i] = 0;
1.1 maekawa 532: }
533: }else{
1.9 takayama 534: if (clients[i]->controlport < 0) { /* For RFC_101 */
535: controlready[i] = 0;
536: }else{
537: fd = (fd<clients[i]->controlfd?clients[i]->controlfd:fd);
538: FD_SET(clients[i]->controlfd,&readfds);
539: if (oxSocketSelect0(clients[i]->controlfd,0)) {
540: ddd = controlready[i] = 1;
541: }else{
542: controlready[i] = 0;
543: }
544: }
1.1 maekawa 545: if (clients[i]->datafp2 != NULL) {
1.9 takayama 546: fd = (fd<clients[i]->datafp2->fd?clients[i]->datafp2->fd:fd);
547: FD_SET(clients[i]->datafp2->fd,&readfds);
548: if (fp2select(clients[i]->datafp2,0)) {
549: ddd = dataready[i] = 1;
550: }else{
551: dataready[i] = 0;
552: }
1.1 maekawa 553: }else{
1.9 takayama 554: dataready[i] = 0;
1.1 maekawa 555: }
556: }
557: }
558: if (t > 0 ) {
559: if (ddd) return(1);
560: if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,&timeout)<0) {
561: fprintf(MyErrorOut,"error");
562: return(-1);
563: }
564: return(oxclientMultiSelect(clients, dataready, controlready,size,0));
565: }else if (t == 0) {
566: return(ddd);
567: }else {
568: /** printf("(2)"); fflush(NULL); */
569: if (select(fd+1,&readfds,(fd_set *)NULL,(fd_set *)NULL,(struct timeval *)NULL)<0) {
570: fprintf(MyErrorOut,"error");
571: return(-1);
572: }
573: /** printf("(3)"); fflush(NULL); */
574: return(oxclientMultiSelect(clients, dataready, controlready,size,0));
575: }
576: }
577:
578: int oxGetControl(oxclientp client)
1.9 takayama 579: /* synchronized. */
1.1 maekawa 580: {
581: int ans;
582: ox_stream os;
583: switch (client->cstate) {
584: case 1:
585: ans = oxGetResultOfControlInt32(client->controlfd);
586: client->cstate = 0;
587: return(ans);
588: default:
589: fprintf(MyErrorOut,"oxGet: unknown cstate.\n");
590: client->cstate = -1;
591: return(-1);
592: }
593:
594: return(-1);
595: }
596:
597: int oxInitClient(oxclientp client)
598: {
599: client->datafp2 = NULL;
600: client->dataport = 0;
601: client->controlport = 0;
602: client->controlfd = 0;
603: client->humanio = 0;
604: client->dstate = 0;
605: client->cstate = 0;
606: client->id = -1;
607: client->mathcapObjp = NULL;
608: client->controlByteOrder = OX_BYTE_NETWORK_BYTE_ORDER;
609: client->engineByteOrder = OX_BYTE_NETWORK_BYTE_ORDER;
1.15 takayama 610: client->engineID = -1;
1.1 maekawa 611: return(0);
612: }
613:
614: int oxIsThereErrorClient(oxclientp client) {
615: if (client == NULL) return(1);
616: if (client->dstate == -1) return(1);
617: if (client->cstate == -1) return(1);
618: return(0);
619: }
620:
621: oxclientp oxCreateClient(char *sname,int portStream,int portControl)
1.9 takayama 622: /* you also need to change oxCreateClient2. */
1.1 maekawa 623: {
624: int v = 0;
625: int fdControl = -1;
626: int fdStream = -1;
627: oxclientp client;
628: int controlByteOrder, engineByteOrder;
629: v = !Quiet;
630: if (portControl != -1) {
631: fdControl = socketConnect(sname,portControl);
632: if (v) fprintf(stderr,"\nControl port %d : Connected.\n",portControl);
633: }
634: if (portStream != -1) {
635: sleep(1); /* wait */
636: fdStream = socketConnect(sname,portStream);
637: if (v) fprintf(stderr,"\nStream port %d : Connected.\n",portStream);
638: }
639:
640: if (fdStream == -1 || fdControl == -1) {
641: fprintf(stderr,"\nOpen error in oxCreateClient.\n");
642: return(NULL);
643: }
644:
645: controlByteOrder = oxSetByteOrder(fdControl);
646: if (v) fprintf(stderr,"Byte order for control process is %s.\n",
1.9 takayama 647: (controlByteOrder == 0? "network byte order":
648: (controlByteOrder == 1? "little indican":
649: "big indian")));
1.1 maekawa 650: engineByteOrder = oxSetByteOrder(fdStream);
651: if (v) fprintf(stderr,"Byte order for engine process is %s.\n",
1.9 takayama 652: (engineByteOrder == 0? "network byte order":
653: (engineByteOrder == 1? "little indican":
654: "big indian")));
1.1 maekawa 655:
656: client = (oxclientp) mymalloc(sizeof(oxclient));
657: oxInitClient(client);
658: client->datafp2 = fp2open(fdStream);
659: if (client->datafp2 == NULL) {
660: fprintf(stderr,"oxCreateClient(): fp2open(fd) failed.\n");
661: return(NULL);
662: }
663: client->dataport = portStream;
664: client->controlport = portControl;
665: client->controlfd = fdControl;
1.13 takayama 666: client->id = oxGetClientID();
1.1 maekawa 667: client->type = CLIENT_SOCKET; /* socket */
668: client->engineByteOrder = engineByteOrder;
669: client->controlByteOrder = controlByteOrder;
670: return(client);
671: }
672:
673: oxclientp oxCreateClientFile(char *fname,char *mode,char *controlName,char *cmode)
674: {
675: static int clnum = 0x8000;
676: int v = 0;
677: int fdControl = -1;
678: int fdStream = -1;
679: oxclientp client;
680: v = 1;
681: if (strcmp(mode,"w") == 0) {
682: fdStream = creat(fname,S_IWRITE|S_IREAD|S_IRGRP|S_IROTH);
683: if (fdStream < 0) {
684: fprintf(stderr,"\nCreat failed for %s\n",fname); return(NULL);
685: }
686: }else if (strcmp(mode,"r")==0) {
687: fdStream = open(fname,O_RDONLY);
688: if (fdStream < 0) {
689: fprintf(stderr,"\nOpen failed for %s\n",fname); return(NULL);
690: }
691: }else {
692: fprintf(stderr,"\nThe mode %s is not supported.\n",mode); return(NULL);
693: }
694:
695: if (strcmp(cmode,"w") == 0) {
696: fdControl = creat(controlName,S_IWRITE|S_IREAD|S_IRGRP|S_IROTH);
697: if (fdControl < 0) {
698: fprintf(stderr,"\nCreat failed for %s\n",controlName); return(NULL);
699: }
700: }else if (strcmp(cmode,"r")==0) {
701: fdControl = open(controlName,O_RDONLY);
702: if (fdControl < 0) {
703: fprintf(stderr,"\nOpen failed for %s\n",controlName); return(NULL);
704: }
705: }else if (strcmp(cmode,"rw")==0) {
706: fdControl = open(controlName,O_RDWR);
707: if (fdControl < 0) {
708: fprintf(stderr,"\nOpen failed for %s\n",controlName); return(NULL);
709: }
710: }else {
711: fprintf(stderr,"\nThe mode %s is not supported.\n",cmode); return(NULL);
712: }
713:
714:
715: client = (oxclientp) mymalloc(sizeof(oxclient));
716: oxInitClient(client);
717: client->datafp2 = fp2open(fdStream);
718: if (client->datafp2 == NULL) {
719: fprintf(stderr,"oxCreateClientFile(): fp2open(fd) failed.\n");
720: return(NULL);
721: }
722: client->dataport = 0;
723: client->controlport = 0;
724: client->controlfd = fdControl;
725: client->id = clnum; clnum++;
726: client->type = CLIENT_FILE;
727: client->engineByteOrder = OX_BYTE_NETWORK_BYTE_ORDER;
728: client->controlByteOrder = OX_BYTE_NETWORK_BYTE_ORDER;
729: return(client);
730: }
731:
732: void oxSendOXheader_generic(int type,int fd,ox_stream ox,
1.9 takayama 733: int k,int serial)
1.1 maekawa 734: {
735: static int ss = 0;
736: extern int UseOXPacketSerial;
737: if (serial >= 0) ss = serial;
738: else ss++;
739: if (ss < 0) ss=0;
740: if (type == 0) { /* fd */
741: oxfdSendInt32(fd,k);
742: if (UseOXPacketSerial) oxfdSendInt32(fd,ss);
743: }else {
744: oxSendInt32(ox,k);
745: if (UseOXPacketSerial) oxSendInt32(ox,ss);
746: }
747: }
748: void oxSendOXheader(ox_stream ostream,int k,int serial) {
749: oxSendOXheader_generic(1,-1,ostream,k,serial);
750: }
751: void oxfdSendOXheader(int fd,int k,int serial) {
752: oxSendOXheader_generic(0,fd,(ox_stream) NULL,k,serial);
753: }
754:
755: int oxfdGetOXheader(int fd,int *sss)
756: {
757: char d[4];
758: int i;
759: int m;
760:
761: for (i=0; i<4; i++) {
762: d[i] = readOneByte(fd);
763: }
764: m = ntohl(* ( (int *)d));
765: *sss = -1;
766: if (UseOXPacketSerial) {
767: for (i=0; i<4; i++) {
768: d[i] = readOneByte(fd);
769: }
770: *sss = ntohl(* ( (int *)d));
771: }
772: return(m);
773: }
774:
775: int oxGetOXheader(ox_stream ostream,int *sss)
776: {
777: char d[4];
778: int m;
779: int i;
780:
781: unlockCtrlCForOx(); /* temporary unlock */
782: while (fp2select(ostream,1000) == 0) ;
783: restoreLockCtrlCForOx();
784:
785: for (i=0; i<4; i++) {
786: d[i] = fp2fgetc(ostream);
787: }
788: m = ntohl(* ( (int *)d));
789: *sss = -1;
790: if (UseOXPacketSerial) {
791: for (i=0; i<4; i++) {
792: d[i] = fp2fgetc(ostream);
793: }
794: *sss = ntohl(* ( (int *)d));
795: }
796: return(m);
797: }
798:
799:
800: oxWritePortFile(int func,int port,char *fname) {
801: char name[1024];
802: FILE *fp;
803: strcpy(name,fname);
804: if (func == 0) {
805: strcat(name,".control");
806: fp = fopen(name,"w");
807: fprintf(fp,"%05d\n",port);
808: fclose(fp);
809: }else {
810: strcat(name,".data");
811: fp = fopen(name,"w");
812: fprintf(fp,"%05d\n",port);
813: fclose(fp);
814: }
815: }
816: oxReadPortFile(int func,char *fname) {
817: int port = 0;
818: char name[1024];
819: FILE *fp;
820: strcpy(name,fname);
821: if (func == 0) {
822: strcat(name,".control");
823: fp = fopen(name,"r");
824: fscanf(fp,"%d",&port);
825: fclose(fp);
826: }else {
827: strcat(name,".data");
828: fp = fopen(name,"r");
829: fscanf(fp,"%d",&port);
830: fclose(fp);
831: }
832: return(port);
833: }
834: char *oxGenPortFile(void) {
835: char *fname;
836: time_t tt;
837: char sstime[512];
838:
839: fname = (char *)malloc(1024*sizeof(char));
840: strcpy(fname,getenv("HOME"));
841: strcat(fname,"/.ox.");
842: tt = time(NULL);
843: sprintf(sstime,"%ld",(long) tt);
844: strcat(fname,sstime);
845: if (fname[strlen(fname)-1] == '\n') {
846: fname[strlen(fname)-1] = '\0';
847: }
848: /* fprintf(stderr,"OxPortFileName=%s\n",fname); */
849: OxPortFileName = fname;
850: return(fname);
851: }
852: int oxRemovePortFile(void) {
853: char fname[1024];
854: FILE *fp;
1.5 takayama 855: SET_MYERROROUT;
1.1 maekawa 856: strcpy(fname,OxPortFileName);
857: strcat(fname,".control");
858: if ((fp=fopen(fname,"r")) == NULL) {
859: }{
860: fclose(fp);
861: if (unlink(fname)) {
862: fprintf(MyErrorOut,"fail unlink.\n");
863: }
864:
865: }
866: strcpy(fname,OxPortFileName);
867: strcat(fname,".data");
868: if ((fp=fopen(fname,"r")) == NULL) {
869: }{
870: fclose(fp);
871: if (unlink(fname)) {
872: fprintf(MyErrorOut,"fail unlink.\n");
873: }
874: }
875: }
876:
877: char *oxGenPass(void) {
1.3 takayama 878: static int seed = 0;
1.1 maekawa 879: long p;
880: char *s;
1.3 takayama 881: int i;
882: if (seed == 0) {
883: seed = (int) time(NULL) + (int) &p;
884: srandom((unsigned int) seed);
885: }
886: for (i=0; i < ((int) &p) % 100 ; i++) random();
1.1 maekawa 887: p = random();
888: s = (char *)malloc(128*sizeof(char));
889: sprintf(s,"%ld",p);
890: return(s);
891: }
892:
893:
894: static void cancelConnection() {
1.12 takayama 895: #if defined(__CYGWIN__)
896: extern sigjmp_buf MyEnv_oxmisc;
897: #else
1.1 maekawa 898: extern jmp_buf MyEnv_oxmisc;
1.12 takayama 899: #endif
1.1 maekawa 900: signal(SIGALRM,SIG_IGN);
901: fprintf(stderr,"Time out in TCP/IP connection.\n");
1.12 takayama 902: #if defined(__CYGWIN__)
903: siglongjmp(MyEnv_oxmisc,1);
904: #else
1.1 maekawa 905: longjmp(MyEnv_oxmisc,1);
1.12 takayama 906: #endif
1.1 maekawa 907: }
908:
909: oxclientp oxCreateClient2(int fdstream,int portStream,
1.9 takayama 910: int fdcontrol,int portControl,int ipmask,char *pass)
1.1 maekawa 911: {
912: int v = 0;
913: int fdControl = -1;
914: int fdStream = -1;
915: int m;
916:
917: char *s;
918: oxclientp client;
1.12 takayama 919: #if defined(__CYGWIN__)
920: extern sigjmp_buf MyEnv_oxmisc;
921: #else
922: extern jmp_buf MyEnv_oxmisc;
923: #endif
1.1 maekawa 924: int controlByteOrder, engineByteOrder;
925:
926: v = !Quiet;
1.12 takayama 927: #if defined(__CYGWIN__)
928: if (sigsetjmp(MyEnv_oxmisc,1)) {
929: #else
1.1 maekawa 930: if (setjmp(MyEnv_oxmisc)) {
1.12 takayama 931: #endif
1.1 maekawa 932: return(NULL);
933: }else{
934: }
1.11 takayama 935: alarm((unsigned int) 20); /* setup timeout. */
1.1 maekawa 936: signal(SIGALRM,cancelConnection);
937:
938: switch(ipmask) {
939: case 0:/* only local */
940: fdControl = socketAcceptLocal(fdcontrol);
941: fdStream = socketAcceptLocal(fdstream);
942: break;
943: default:/* any */
944: fdControl = socketAccept(fdcontrol);
945: fdStream = socketAccept(fdstream);
946: break;
947: }
948: if (v) fprintf(stderr,"\nControl port %d : Connected.\n",portControl);
949: if (v) fprintf(stderr,"\nStream port %d : Connected.\n",portStream);
950:
951: if (fdStream == -1 || fdControl == -1) {
1.16 takayama 952: fprintf(stderr,"\nOpen error in oxCreateClient2.\n");
953: fprintf(stderr,"fdStream=%d, fdControl=%d\n",fdStream,fdControl);
1.1 maekawa 954: return(NULL);
955: }
956:
1.6 takayama 957: /* Authentication by password. */
1.1 maekawa 958: m = strlen(pass);
1.10 takayama 959: if (m > 0) {
960: s = (char *)mymalloc(sizeof(char)*(m+1));
961: read(fdControl,s,m+1); s[m] = '\0';
962: if (strcmp(s,pass) != 0) {
963: fprintf(stderr,"oxCreateClient2(): password authentication failed for control channel.\n");
964: close(fdControl);
965: return(NULL);
966: }
967: read(fdStream,s,m+1); s[m] = '\0';
968: if (strcmp(s,pass) != 0) {
969: fprintf(stderr,"oxCreateClient2(): password authentication failed for data channel.\n");
970: close(fdStream);
971: return(NULL);
972: }
1.1 maekawa 973: }
974: signal(SIGALRM,SIG_IGN);
975:
976: controlByteOrder = oxSetByteOrder(fdControl);
977: if (v) fprintf(stderr,"Byte order for control process is %s.\n",
1.9 takayama 978: (controlByteOrder == 0? "network byte order":
979: (controlByteOrder == 1? "little indican":
980: "big indian")));
1.1 maekawa 981: engineByteOrder = oxSetByteOrder(fdStream);
982: if (v) fprintf(stderr,"Byte order for engine process is %s.\n",
1.9 takayama 983: (engineByteOrder == 0? "network byte order":
984: (engineByteOrder == 1? "little indican":
985: "big indian")));
1.1 maekawa 986:
987:
988: client = (oxclientp) mymalloc(sizeof(oxclient));
989: oxInitClient(client);
990: client->datafp2 = fp2open(fdStream);
991: if (client->datafp2 == NULL) {
992: fprintf(stderr,"oxCreateClient2(): fp2open(fd) failed.\n");
993: return(NULL);
994: }
995: client->dataport = portStream;
996: client->controlport = portControl;
997: client->controlfd = fdControl;
1.13 takayama 998: client->id = oxGetClientID();
1.1 maekawa 999: client->type = CLIENT_SOCKET; /* socket */
1000: client->engineByteOrder = engineByteOrder;
1001: client->controlByteOrder = controlByteOrder;
1002: return(client);
1003: }
1004:
1005: int oxSetByteOrder(int fd) {
1006: char data[1];
1007: int peertype;
1008: /* It is for client. read and next write. */
1009: /* oxSocketSelect0(fd,10); wait. */
1010: read(fd,data,1);
1011: peertype = (unsigned char) data[0];
1012:
1013: /* We support only Network byte order */
1014: data[0] = OX_BYTE_NETWORK_BYTE_ORDER;
1015: write(fd,data,1);
1016:
1017: return(OX_BYTE_NETWORK_BYTE_ORDER);
1018: }
1019:
1.17 takayama 1020: int oxTellMyByteOrder(int fdOut, int fdIn) {
1.1 maekawa 1021: char data[1];
1022: int peertype;
1023: /* It is for server. read and next write. */
1024:
1025: /* We support only Network byte order */
1026: data[0] = OX_BYTE_NETWORK_BYTE_ORDER;
1.17 takayama 1027: write(fdOut,data,1);
1028: fsync(fdOut); /* returns 0 if normal. Does it work for socket? */
1.1 maekawa 1029:
1.17 takayama 1030: read(fdIn,data,1); /* Read pear's byte order */
1.1 maekawa 1031:
1032: return(OX_BYTE_NETWORK_BYTE_ORDER);
1033: }
1034:
1035:
1.14 takayama 1036: struct object OxClientList[MAX_N_OF_CLIENT];
1037: int OxClientListn = 0;
1038:
1039: int oxGetClientID() {
1040: extern struct object OxClientList[];
1041: extern int OxClientListn;
1042: extern struct object Nobj;
1043: int i;
1044: for (i=0; i<OxClientListn; i++) {
1045: if ((OxClientList[i]).tag == Snull) {
1046: return i;
1047: }
1048: }
1049: i = OxClientListn;
1050: (OxClientList[i]).tag = Snull;
1051: if (OxClientListn < MAX_N_OF_CLIENT-1) {
1052: OxClientListn++;
1053: return i;
1054: }else{
1055: fprintf(MyErrorOut,"oxGetClientID(): the client table is full. Returns ID = 0.\n");
1056: return 0;
1057: }
1058: }
1.1 maekawa 1059:
1.18 takayama 1060: char *oxFIDtoStr(int id) {
1061: switch( id ) {
1062: case SM_mathcap:
1063: return "SM_mathcap"; break;
1064: case SM_setMathCap:
1065: return "SM_setMathCap"; break;
1066: case SM_pops:
1067: return "SM_pops"; break;
1068: case SM_getsp:
1069: return "SM_getsp"; break;
1070: case SM_dupErrors:
1071: return "SM_dupErrors"; break;
1072: case SM_pushCMOtag:
1073: return "SM_pushCMOtag"; break;
1074: case SM_setName:
1075: return "SM_setName"; break;
1076: case SM_evalName:
1077: return "SM_evalName"; break;
1078: case SM_executeStringByLocalParser:
1079: return "SM_executeStringByLocalParser"; break;
1080: case SM_executeFunction:
1081: return "SM_executeFunction"; break;
1.20 ! takayama 1082: case SM_executeFunctionWithOptionalArgument:
! 1083: return "SM_executeFunctionWithOptionalArgument"; break;
1.18 takayama 1084: case SM_popCMO:
1085: return "SM_popCMO"; break;
1086: case SM_popString:
1087: return "SM_popString"; break;
1088: case SM_shutdown:
1089: return "SM_shutdown"; break;
1090: case SM_beginBlock:
1091: return "SM_beginBlock"; break;
1092: case SM_endBlock:
1093: return "SM_endBlock"; break;
1094: default:
1095: return "Unknown to oxFIDtoStr"; break;
1096: }
1097: }
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