Annotation of Amaya/amaya/query.c, revision 1.119
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.4 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.44 cvs 17: #ifndef AMAYA_JAVA
18:
1.116 cvs 19: /* defines to include elsewhere
20: *********************************/
21:
22: #define AMAYA_WWW_CACHE
23:
24: /*** for windows? ***/
25:
26: #ifndef _WINDOWS
27: #define DEFAULT_CACHE_DIR "/tmp"
28: #define CACHE_DIR_NAME "/amaya-cache"
29: #else
30: #define DEFAULT_CACHE_DIR "c:\tmp"
31: #define CACHE_DIR_NAME "\amaya-cache"
32: #endif /* !_WINDOWS */
33:
34:
35:
36: #define DEFAULT_CACHE_SIZE 5
37:
38:
1.12 cvs 39: /* Amaya includes */
1.25 cvs 40: #define THOT_EXPORT extern
1.4 cvs 41: #include "amaya.h"
1.70 cvs 42: #ifdef _WINDOWS
43: #include <fcntl.h>
44: #endif /* _WINDOWS */
1.7 cvs 45:
1.4 cvs 46: #if defined(__svr4__)
47: #define CATCH_SIG
48: #endif
49:
50: /* local structures coming from libwww and which are
1.17 cvs 51: not found in any .h file
1.7 cvs 52: */
1.68 cvs 53:
1.7 cvs 54: struct _HTStream
55: {
1.15 cvs 56: const HTStreamClass *isa;
57: FILE *fp;
1.45 cvs 58: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 59: char *end_command; /* Command to execute */
60: BOOL remove_on_close; /* Remove file? */
61: char *filename; /* Name of file */
62: HTRequest *request; /* saved for callback */
63: HTRequestCallback *callback;
1.7 cvs 64: };
65:
1.15 cvs 66:
1.7 cvs 67: struct _HTError
68: {
69: HTErrorElement element; /* Index number into HTError */
70: HTSeverity severity; /* A la VMS */
71: BOOL ignore; /* YES if msg should not go to user */
72: void *par; /* Explanation, e.g. filename */
73: int length; /* For copying by generic routine */
74: char *where; /* Which function */
75: };
76:
1.4 cvs 77: /* Type definitions and global variables etc. local to this module */
78:
1.17 cvs 79: /*----------------------------------------------------------------------*/
80:
1.4 cvs 81: /*** private variables ***/
1.17 cvs 82:
1.4 cvs 83: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 84: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.4 cvs 85: static HTList *encodings = NULL;
1.16 cvs 86: static int object_counter = 0; /* loaded objects counter */
1.116 cvs 87: static boolean AmayaAlive; /* set to 1 if the application is active;
88: 0 if we have killed */
1.4 cvs 89:
1.15 cvs 90: #include "answer_f.h"
91: #include "query_f.h"
92: #include "AHTURLTools_f.h"
93: #include "AHTBridge_f.h"
94: #include "AHTMemConv_f.h"
95: #include "AHTFWrite_f.h"
1.4 cvs 96:
1.116 cvs 97: /* prototypes */
98:
99: #ifdef __STDC__
1.70 cvs 100: #ifdef _WINDOWS
101: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 102: #endif /* _WINDOWS */
1.70 cvs 103: #else
1.116 cvs 104: #ifdef _WINDOWS
1.70 cvs 105: int WIN_Activate_Request ();
1.116 cvs 106: #endif /* _WINDOWS */
1.70 cvs 107: #endif /* __STDC__ */
1.116 cvs 108:
1.15 cvs 109:
110: /*----------------------------------------------------------------------
1.17 cvs 111: GetDocIdStatus
112: gets the status associated to a docid
1.15 cvs 113: ----------------------------------------------------------------------*/
114: #ifdef __STDC__
115: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
116: #else
117: AHTDocID_Status *GetDocIdStatus (docid, documents)
118: int docid;
119: HTList *documents;
120:
121: #endif
122: {
123: AHTDocId_Status *me;
124: HTList *cur;
125:
126: if (documents)
127: {
128: cur = documents;
129:
130: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
131: {
132: if (me->docid == docid)
133: return (me);
1.18 cvs 134: }
135: }
1.15 cvs 136: return (AHTDocId_Status *) NULL;
137:
138: }
139:
1.5 cvs 140: /*----------------------------------------------------------------------
1.27 cvs 141: AHTGuessAtom_for
142: Converts an Amaya type descriptor into the equivalent MIME type.
143: ----------------------------------------------------------------------*/
144: #ifdef __STDC__
145: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
146: #else
147: static HTAtom *AHTGuessAtom_for (urlName, contentType)
148: char *urlName;
149: PicType contentType;
150: #endif
151: {
152: HTAtom *atom;
153: char *filename;
154: HTEncoding enc;
155: HTEncoding cte;
156: HTLanguage lang;
1.50 cvs 157: double quality = 1.0;
1.27 cvs 158:
159: switch (contentType)
160: {
161: case xbm_type:
162: atom = HTAtom_for("image/xbm");
163: break;
164: case eps_type:
1.35 cvs 165: atom = HTAtom_for("application/postscript");
1.27 cvs 166: break;
167: case xpm_type:
168: atom = HTAtom_for("image/xpm");
169: break;
170: case gif_type:
171: atom = HTAtom_for("image/gif");
172: break;
173: case jpeg_type:
174: atom = HTAtom_for("image/jpeg");
175: break;
176: case png_type:
177: atom = HTAtom_for("image/png");
178: break;
179: case unknown_type:
180: default:
181: /*
182: ** Amaya could not detect the type, so
183: ** we try to use the filename's suffix to do so.
184: */
1.45 cvs 185: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 186: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 187: TtaFreeMemory (filename);
1.27 cvs 188: if (atom == WWW_UNKNOWN)
189: /*
190: ** we could not identify the suffix, so we assign it
191: ** a default type
192: */
193: atom = HTAtom_for ("text/html");
194: break;
195: }
196:
197: return atom;
198: }
199:
200: /*----------------------------------------------------------------------
1.17 cvs 201: AHTReqContext_new
202: create a new Amaya Context Object and update the global Amaya
203: request status.
1.5 cvs 204: ----------------------------------------------------------------------*/
1.4 cvs 205: #ifdef __STDC__
206: static AHTReqContext *AHTReqContext_new (int docid)
207: #else
208: static AHTReqContext *AHTReqContext_new (docid)
209: int docid;
210:
211: #endif
212: {
213: AHTReqContext *me;
214: AHTDocId_Status *docid_status;
215:
216: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 217: outofmem (__FILE__, "AHTReqContext_new");
218:
219: /* clear the structure */
220: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 221:
1.81 cvs 222: /* Bind the Context object together with the Request Object */
223: me->request = HTRequest_new ();
224:
1.116 cvs 225: /*
226: ** Make sure that the first request is flushed immediately and not
227: ** buffered in the output buffer
228: */
229: HTRequest_setFlush(me->request, YES);
230:
1.80 cvs 231: /* clean the associated file structure) */
1.79 cvs 232: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 233:
1.4 cvs 234: /* Initialize the other members of the structure */
1.17 cvs 235: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 236: me->docid = docid;
237: HTRequest_setMethod (me->request, METHOD_GET);
238: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
239: HTRequest_setContext (me->request, me);
1.116 cvs 240:
1.36 cvs 241: /* experimental */
242: me->read_sock = INVSOC;
243: me->write_sock = INVSOC;
244: me->except_sock = INVSOC;
1.4 cvs 245:
246: /* Update the global context */
247: HTList_appendObject (Amaya->reqlist, (void *) me);
248:
249: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
250:
1.7 cvs 251: if (docid_status == NULL)
252: {
1.116 cvs 253: docid_status = (AHTDocId_Status *)
254: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 255: docid_status->docid = docid;
256: docid_status->counter = 1;
257: HTList_addObject (Amaya->docid_status, (void *) docid_status);
258: }
259: else
1.4 cvs 260: docid_status->counter++;
261:
262: Amaya->open_requests++;
263:
1.74 cvs 264: #ifdef DEBUG_LIBWWW
265: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
266: #endif
1.116 cvs 267:
1.4 cvs 268: return me;
269: }
270:
1.5 cvs 271: /*----------------------------------------------------------------------
1.17 cvs 272: AHTReqContext_delete
273: Delete an Amaya Context Object and update the global Amaya request
274: status.
1.5 cvs 275: ----------------------------------------------------------------------*/
1.4 cvs 276:
277: #ifdef __STDC__
1.15 cvs 278: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 279: #else
1.15 cvs 280: boolean AHTReqContext_delete (me)
1.4 cvs 281: AHTReqContext *me;
282:
283: #endif
284: {
285: AHTDocId_Status *docid_status;
286:
1.7 cvs 287: if (me)
288: {
1.4 cvs 289:
1.74 cvs 290: #ifdef DEBUG_LIBWWW
291: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
292: #endif
293:
1.7 cvs 294: if (Amaya->reqlist)
295: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 296:
1.7 cvs 297: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 298:
1.7 cvs 299: if (docid_status)
300: {
301: docid_status->counter--;
302:
303: if (docid_status->counter == 0)
304: {
305: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
306: TtaFreeMemory ((void *) docid_status);
307: }
308: }
1.79 cvs 309: if (HTRequest_outputStream (me->request))
310: AHTFWriter_FREE (me->request->output_stream);
1.7 cvs 311: HTRequest_delete (me->request);
1.85 cvs 312:
1.89 cvs 313: if (me->output && me->output != stdout)
1.85 cvs 314: {
315: #ifdef DEBUG_LIBWWW
316: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
317: "FILE %p\n", me->urlName, me->output);
318: #endif
319: fclose (me->output);
320: me->output = NULL;
321: }
1.79 cvs 322:
1.7 cvs 323: if (me->error_stream != (char *) NULL)
1.70 cvs 324: HT_FREE (me->error_stream);
325: # ifndef _WINDOWS
326: # ifdef WWW_XWINDOWS
1.21 cvs 327: if (me->read_xtinput_id || me->write_xtinput_id ||
328: me->except_xtinput_id)
329: RequestKillAllXtevents(me);
1.70 cvs 330: # endif /* WWW_XWINDOWS */
331: # endif /* !_WINDOWS */
1.74 cvs 332:
1.99 cvs 333: if (me->reqStatus == HT_ABORT)
334: {
335: if (me->outputfile && me->outputfile[0] != EOS)
336: {
337: TtaFileUnlink (me->outputfile);
338: me->outputfile[0] = EOS;
339: }
340: }
341:
1.74 cvs 342: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
343: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
344: or in PutObjectWWW */
345: {
1.79 cvs 346: if (me->urlName)
347: TtaFreeMemory (me->urlName);
348: if (me->outputfile)
349: TtaFreeMemory (me->outputfile);
1.74 cvs 350: }
1.113 cvs 351:
352: if (me->content_type)
353: TtaFreeMemory (me->content_type);
1.116 cvs 354: /* @@@ need to do this better */
355: if (me->formdata)
356: HTAssocList_delete (me->formdata);
357:
358: /* to trace bugs */
359: memset ((void *) me, 0, sizeof (AHTReqContext));
1.99 cvs 360:
1.7 cvs 361: TtaFreeMemory ((void *) me);
1.116 cvs 362:
1.7 cvs 363: Amaya->open_requests--;
1.116 cvs 364:
1.15 cvs 365: return TRUE;
1.7 cvs 366: }
1.15 cvs 367: return FALSE;
1.4 cvs 368: }
369:
370:
1.15 cvs 371: /*----------------------------------------------------------------------
1.17 cvs 372: Thread_deleteAll
373: this function deletes the whole list of active threads.
1.5 cvs 374: ----------------------------------------------------------------------*/
1.4 cvs 375: #ifdef __STDC__
376: static void Thread_deleteAll (void)
377: #else
378: static void Thread_deleteAll ()
379: #endif
380: {
1.21 cvs 381: HTList *cur;
382: AHTReqContext *me;
383: AHTDocId_Status *docid_status;
384:
1.74 cvs 385: if (Amaya && Amaya->reqlist)
386: {
387: if (Amaya->open_requests > 0)
388: #ifdef DEBUG_LIBWWW
389: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
390: "requests\n", Amaya->open_requests);
391: #endif
392: {
393: cur = Amaya->reqlist;
394:
395: /* erase the requests */
396: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
397: {
398: if (me->request)
399: {
1.70 cvs 400: # ifndef _WINDOWS
1.74 cvs 401: RequestKillAllXtevents (me);
1.70 cvs 402: # endif /* !_WINDOWS */
1.92 cvs 403:
404: if (me->request->net)
405: HTRequest_kill (me->request);
1.96 cvs 406: #ifndef _WINDOWS
407: AHTReqContext_delete (me);
408: #endif /* _WINDOWS */
1.74 cvs 409: }
410: } /* while */
411:
412: /* erase the docid_status entities */
413: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
414: TtaFreeMemory ((void *) docid_status);
415:
416: } /* if */
1.84 cvs 417:
1.74 cvs 418: }
1.4 cvs 419: }
420:
1.5 cvs 421: /*----------------------------------------------------------------------
1.83 cvs 422: AHTOpen_file
423: ----------------------------------------------------------------------*/
424: #ifdef __STDC__
1.85 cvs 425: int AHTOpen_file (HTRequest * request)
1.83 cvs 426: #else
1.85 cvs 427: int AHTOpen_file (request)
1.83 cvs 428: HTRequest *request;
429:
430: #endif /* __STDC__ */
431: {
432: AHTReqContext *me; /* current request */
433:
434: me = HTRequest_context (request);
435:
1.93 cvs 436:
437: if (!me)
438: return HT_ERROR;
439:
1.83 cvs 440: #ifdef DEBUG_LIBWWW
1.116 cvs 441: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 442: #endif /* DEBUG_LIBWWW */
443:
444: if (me->reqStatus == HT_ABORT)
445: {
446: #ifdef DEBUG_LIBWWW
447: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 448: #endif /* DEBUG_LIBWWW */
449:
1.85 cvs 450: return HT_OK;
451: }
452:
453: if (HTRequest_outputStream (me->request))
454: {
455:
456: #ifdef DEBUG_LIBWWW
457: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
458: #endif /* DEBUG_LIBWWW */
459: return HT_OK;
460: }
461:
462: #ifdef DEBUG_LIBWWW
463: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
464: #endif /* DEBUG_LIBWWW */
465:
1.83 cvs 466: if (!(me->output) &&
467: (me->output != stdout) &&
468: #ifndef _WINDOWS
469: (me->output = fopen (me->outputfile, "w")) == NULL)
470: {
1.116 cvs 471: #else /* !_WINDOWS */
1.83 cvs 472: (me->output = fopen (me->outputfile, "wb")) == NULL)
473: {
474: #endif /* !_WINDOWS */
475:
476: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 477: #ifdef DEBUG_LIBWWW
478: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
479: #endif
1.83 cvs 480: TtaSetStatus (me->docid, 1,
481: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
482: me->outputfile);
483: me->reqStatus = HT_ERR;
484: return (HT_ERROR);
485: }
486:
487: HTRequest_setOutputStream (me->request,
488: AHTFWriter_new (me->request,
489: me->output, YES));
490: me->reqStatus = HT_WAITING;
491:
492: return HT_OK;
493: }
494:
495: /*----------------------------------------------------------------------
1.17 cvs 496: redirection_handler
497: this function is registered to handle permanent and temporary
498: redirections.
499: ----------------------------------------------------------------------*/
1.4 cvs 500: #ifdef __STDC__
1.7 cvs 501: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 502: #else
503: static int redirection_handler (request, context, status)
504: HTRequest *request;
505: HTResponse *response;
506: void *param;
507: int status;
508:
509: #endif
510: {
511:
512: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 513: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 514: HTMethod method = HTRequest_method (request);
1.98 cvs 515: char *ref;
516: char *tmp;
1.4 cvs 517:
1.7 cvs 518: if (!new_anchor)
519: {
520: if (PROT_TRACE)
521: HTTrace ("Redirection. No destination\n");
522: return HT_OK;
523: }
1.4 cvs 524:
525: /*
526: ** Only do redirect on GET and HEAD
527: */
1.7 cvs 528: if (!HTMethod_isSafe (method))
529: {
530: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
531: if (prompt)
532: {
533: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
534: NULL, NULL, NULL) != YES)
535: return HT_ERROR;
536: }
537: }
1.4 cvs 538:
539: /*
540: ** Start new request with the redirect anchor found in the headers.
541: ** Note that we reuse the same request object which means that we must
542: ** keep this around until the redirected request has terminated. It also
543: ** allows us in an easy way to keep track of the number of redirections
544: ** so that we can detect endless loops.
545: */
1.17 cvs 546:
1.7 cvs 547: if (HTRequest_doRetry (request))
548: {
549: /* do we need to normalize the URL? */
550: if (strncmp (new_anchor->parent->address, "http:", 5))
551: {
552: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 553: ref = AmayaParseUrl (new_anchor->parent->address,
554: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 555: if (ref)
556: {
1.98 cvs 557: HT_FREE (new_anchor->parent->address);
558: tmp = NULL;
559: HTSACopy (&tmp, ref);
560: new_anchor->parent->address = tmp;
561: TtaFreeMemory (ref);
1.7 cvs 562: }
1.98 cvs 563: else
564: return HT_ERROR; /* We can't redirect anymore */
1.7 cvs 565: }
566:
567: /* update the current file name */
1.116 cvs 568: TtaFreeMemory (me->urlName);
569: me->urlName = TtaStrdup (new_anchor->parent->address);
570:
1.21 cvs 571: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 572: {
1.116 cvs 573: strncpy (me->urlName, new_anchor->parent->address,
574: MAX_LENGTH - 1);
1.21 cvs 575: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 576: }
577: else
1.74 cvs 578: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 579:
1.38 cvs 580: ChopURL (me->status_urlName, me->urlName);
1.116 cvs 581:
1.7 cvs 582: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 583: me->status_urlName);
1.7 cvs 584:
585: /* Start request with new credentials */
1.64 cvs 586:
1.79 cvs 587: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 588: AHTFWriter_FREE (request->output_stream);
589: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 590: #ifdef DEBUG_LIBWWW
1.79 cvs 591: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 592: "FILE %p\n", me->urlName, me->output);
593: #endif
1.79 cvs 594: fclose (me->output);
595: me->output = NULL;
596: }
1.64 cvs 597: }
1.68 cvs 598:
1.105 cvs 599: /* reset the status */
1.116 cvs 600: me->reqStatus = HT_NEW;
1.105 cvs 601: /* clear the errors */
1.116 cvs 602: HTError_deleteAll (HTRequest_error (request));
1.105 cvs 603: HTRequest_setError (request, NULL);
1.116 cvs 604:
1.7 cvs 605: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 606: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 607: else
1.74 cvs 608: HTLoadAnchor (new_anchor, request);
1.7 cvs 609: }
610: else
1.68 cvs 611: {
1.74 cvs 612: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
613: NULL, 0, "HTRedirectFilter");
614: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
615: NULL);
616: if (me->error_html)
617: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
618: /* so that we can show the error message */
1.68 cvs 619: }
620:
1.4 cvs 621: /*
1.74 cvs 622: ** By returning HT_ERROR we make sure that this is the last handler to be
623: ** called. We do this as we don't want any other filter to delete the
624: ** request object now when we have just started a new one ourselves
625: */
1.4 cvs 626: return HT_ERROR;
627: }
628:
1.5 cvs 629: /*----------------------------------------------------------------------
1.17 cvs 630: terminate_handler
631: this function is registered to handle the result of the request
1.5 cvs 632: ----------------------------------------------------------------------*/
1.4 cvs 633: #if __STDC__
1.7 cvs 634: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 635: #else
636: static int terminate_handler (request, response, context, status)
637: HTRequest *request;
638: HTResponse *response;
639: void *context;
640: int status;
641: #endif
642: {
1.116 cvs 643: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
644: boolean error_flag;
645: char *content_type;
646:
647: if (!me)
648: return HT_OK; /* not an Amaya request */
649:
650: if (me->reqStatus == HT_END)
651: /* we have already processed this request! */
652: return HT_OK;
653:
654: /* if Amaya was killed, treat with this request as if it were
655: issued by a Stop button event */
656:
657: if (!AmayaIsAlive ())
1.80 cvs 658: me->reqStatus = HT_ABORT;
1.74 cvs 659:
1.77 cvs 660: if (status == HT_LOADED ||
661: status == HT_CREATED ||
1.79 cvs 662: status == HT_NO_DATA ||
1.116 cvs 663: #ifdef AMAYA_WWW_CACHE
664: /* what status to use to know we're downloading from a cache? */
665: status == HT_NOT_MODIFIED ||
666: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 667: me->reqStatus == HT_ABORT)
1.74 cvs 668: error_flag = FALSE;
1.13 cvs 669: else
1.74 cvs 670: error_flag = TRUE;
671:
1.4 cvs 672: /* output any errors from the server */
1.74 cvs 673:
1.77 cvs 674: /*
1.74 cvs 675: ** me->output = output file which will receive an html file
676: ** me->error_html = yes, output HTML errors in the screen
677: ** request->error_stack == if there are any errors, they will be here
678: ** me->error_stream_size If it's != 0 means an error message has already
679: ** been written to the stack
680: */
681:
1.4 cvs 682: /* First, we verify if there are any errors and if they are not
1.17 cvs 683: ** yet written to the error stack. If no, then let's try to write them
684: ** ourselves
685: */
1.74 cvs 686:
687: #ifdef DEBUG_LIBWWW
688: fprintf (stderr, "terminate_handler: URL is "
689: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
690: status);
1.69 cvs 691: #endif
1.74 cvs 692:
1.69 cvs 693: if (me->output && me->output != stdout)
694: {
1.74 cvs 695: /* we are writing to a file */
696: if (me->reqStatus != HT_ABORT)
697: { /* if the request was not aborted and */
1.80 cvs 698: if (error_flag &&
699: me->error_html == TRUE)
700: /* there were some errors and we want to print them */
701: {
702: if (me->error_stream_size == 0)/* and the stream is empty */
703: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 704: **the error stack
1.77 cvs 705: ** into the error stream */
1.80 cvs 706: if (me->error_stream)
707: { /* if the stream is non-empty */
708: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 709: /* Clear the error context, so that we can deal with
710: this answer as if it were a normal reply */
711: HTError_deleteAll( HTRequest_error (request));
712: HTRequest_setError (request, NULL);
713: error_flag = 0;
1.74 cvs 714: }
715: } /* if error_stack */
1.85 cvs 716: }
717:
718: /* if != HT_ABORT */
719:
720: #ifdef DEBUG_LIBWWW
721: fprintf (stderr, "terminate_handler: URL is %s, closing "
722: "FILE %p\n", me->urlName, me->output);
723: #endif
1.74 cvs 724: fclose (me->output);
725: me->output = NULL;
1.69 cvs 726: }
1.80 cvs 727:
728: if (error_flag)
729: me->reqStatus = HT_ERR;
730: else if (me->reqStatus != HT_ABORT)
731: me->reqStatus = HT_END;
1.116 cvs 732:
733: /* copy the content_type */
734: content_type = request->anchor->content_type->name;
1.114 cvs 735: if (content_type && content_type [0] != EOS)
1.88 cvs 736: {
1.114 cvs 737: /* libwww gives www/unknown when it gets an error. As this is
738: an HTML test, we force the type to text/html */
739: if (!strcmp (content_type, "www/unknown"))
740: me->content_type = TtaStrdup ("text/html");
741: else
742: me->content_type = TtaStrdup (content_type);
743:
744: /* Content-Type can be specified by an httpd server's admin. To be on
745: the safe side, we normalize its case */
746: ConvertToLowerCase (me->content_type);
747:
1.88 cvs 748: #ifdef DEBUG_LIBWWW
749: fprintf (stderr, "content type is: %s\n", me->content_type);
750: #endif /* DEBUG_LIBWWW */
1.114 cvs 751: }
752:
1.115 cvs 753: /* to avoid a hangup while downloading css files */
754: if (AmayaAlive && (me->mode & AMAYA_LOAD_CSS))
1.116 cvs 755: TtaSetStatus (me->docid, 1,
756: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
757: me->status_urlName);
758:
759: /* don't remove or Xt will hang up during the PUT */
760: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
761: (me->method == METHOD_PUT)))
1.7 cvs 762: {
1.80 cvs 763: PrintTerminateStatus (me, status);
1.116 cvs 764:
1.80 cvs 765: }
1.114 cvs 766:
1.111 cvs 767: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 768:
1.111 cvs 769: return HT_OK;
1.4 cvs 770: }
771:
1.5 cvs 772: /*----------------------------------------------------------------------
1.17 cvs 773: AHTLoadTerminate_handler
1.74 cvs 774: this is an application "AFTER" Callback. It's called by the library
775: when a request has ended, so that we can setup the correct status.
1.5 cvs 776: ----------------------------------------------------------------------*/
1.4 cvs 777:
778: #ifdef __STDC__
1.111 cvs 779: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 780: #else
1.111 cvs 781: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 782: HTRequest *request;
783: HTResponse *response;
784: void *param;
785: int status;
1.69 cvs 786:
1.4 cvs 787: #endif
788: {
1.116 cvs 789:
790: /** @@@@ use this with printstatus ?? */
791:
1.4 cvs 792: AHTReqContext *me = HTRequest_context (request);
793: HTAlertCallback *cbf;
794: AHTDocId_Status *docid_status;
795:
1.7 cvs 796: switch (status)
1.116 cvs 797: {
798: case HT_LOADED:
799: if (PROT_TRACE)
800: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
801: me->status_urlName);
1.4 cvs 802:
1.116 cvs 803: docid_status = GetDocIdStatus (me->docid,
804: Amaya->docid_status);
1.7 cvs 805:
1.116 cvs 806: if (docid_status != NULL && docid_status->counter > 1)
807: TtaSetStatus (me->docid, 1,
808: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.74 cvs 809: me->status_urlName);
1.7 cvs 810: break;
1.116 cvs 811:
812: case HT_NO_DATA:
813: if (PROT_TRACE)
814: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
815: me->status_urlName);
816: TtaSetStatus (me->docid, 1,
817: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
818: me->status_urlName);
819: break;
820:
821: case HT_INTERRUPTED:
822: if (PROT_TRACE)
823: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
824: me->status_urlName);
825: TtaSetStatus (me->docid, 1,
826: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
827: NULL);
828: break;
1.7 cvs 829:
1.116 cvs 830: case HT_RETRY:
831: if (PROT_TRACE)
832: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
833: HTResponse_retryTime (response));
834: TtaSetStatus (me->docid, 1,
835: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
836: me->status_urlName);
837: break;
1.7 cvs 838:
1.116 cvs 839: case HT_ERROR:
840: cbf = HTAlert_find (HT_A_MESSAGE);
841: if (cbf)
842: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
843: HTRequest_error (request), NULL);
844: break;
845:
846: if (PROT_TRACE)
847: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
848: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
849: TtaSetStatus (me->docid, 1,
850: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
851: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
852: break;
853: default:
854: if (PROT_TRACE)
855: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
856: break;
857: }
858:
859: return HT_OK;
860: }
1.7 cvs 861:
1.116 cvs 862: #ifdef DEBUG_LIBWWW
863: static int LineTrace (const char * fmt, va_list pArgs)
864: {
865: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 866: }
1.116 cvs 867: #endif DEBUG_LIBWWW
1.4 cvs 868:
1.27 cvs 869: /*----------------------------------------------------------------------
870: AHTAcceptTypesInit
1.74 cvs 871: This function prepares the Accept header used by Amaya during
872: the HTTP content negotiation phase
1.27 cvs 873: ----------------------------------------------------------------------*/
874: #ifdef __STDC__
875: static void AHTAcceptTypesInit (HTList *c)
876: #else /* __STDC__ */
877: static void AHTAcceptTypesInit (c)
878: HTList *c;
879: #endif /* __STDC__ */
880: {
881: if (c == (HTList *) NULL)
882: return;
883:
884: /* define here all the mime types that Amaya can accept */
885:
1.74 cvs 886: HTConversion_add (c, "image/png", "www/present",
887: HTThroughLine, 1.0, 0.0, 0.0);
888: HTConversion_add (c, "image/jpeg", "www/present",
889: HTThroughLine, 1.0, 0.0, 0.0);
890: HTConversion_add (c, "image/gif", "www/present",
891: HTThroughLine, 1.0, 0.0, 0.0);
892: HTConversion_add (c, "image/xbm", "www/present",
893: HTThroughLine, 1.0, 0.0, 0.0);
894: HTConversion_add (c, "image/xpm", "www/present",
895: HTThroughLine, 1.0, 0.0, 0.0);
896: HTConversion_add (c, "application/postscript",
897: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 898:
1.27 cvs 899: /* Define here the equivalences between MIME types and file extensions for
900: the types that Amaya can display */
901:
902: /* Register the default set of file suffix bindings */
903: HTFileInit ();
904:
905: /* Don't do any case distinction */
906: HTBind_caseSensitive (FALSE);
907: }
1.4 cvs 908:
1.5 cvs 909: /*----------------------------------------------------------------------
1.17 cvs 910: AHTConverterInit
911: Bindings between a source media type and a destination media type
912: (conversion).
1.5 cvs 913: ----------------------------------------------------------------------*/
1.15 cvs 914: #ifdef __STDC__
915: static void AHTConverterInit (HTList *c)
916: #else /* __STDC__ */
917: static void AHTConverterInit (c)
918: HTList *c;
919: #endif /* __STDC__ */
1.4 cvs 920: {
921:
922: /* Handler for custom http error messages */
1.7 cvs 923: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 924:
925: /*
926: ** These are converters that converts to something other than www/present,
927: ** that is not directly outputting someting to the user on the screen
928: */
929:
1.116 cvs 930: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert,
931: 1.0, 0.0, 0.0);
1.4 cvs 932: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
933: 1.0, 0.0, 0.0);
934: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
935: 1.0, 0.0, 0.0);
1.116 cvs 936: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue,
937: 1.0, 0.0, 0.0);
938: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial,
939: 1.0, 0.0, 0.0);
1.4 cvs 940: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
941: 1.0, 0.0, 0.0);
942: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
943: 1.0, 0.0, 0.0);
944:
945: /*
1.116 cvs 946: ** The following conversions are converting ASCII output from various
947: ** protocols to HTML objects.
948: */
1.4 cvs 949: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
950: 1.0, 0.0, 0.0);
951:
952: /*
1.116 cvs 953: ** We also register a special content type guess stream that can figure out
954: ** the content type by reading the first bytes of the stream
955: */
1.4 cvs 956: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
957: 1.0, 0.0, 0.0);
958:
1.116 cvs 959: #ifdef AMAYA_WWW_CACHE
1.4 cvs 960: /*
1.116 cvs 961: ** Register a persistent cache stream which can save an object to local
962: ** file
963: */
1.4 cvs 964: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
965: 1.0, 0.0, 0.0);
1.116 cvs 966: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend,
967: 1.0, 0.0, 0.0);
968: #endif AMAYA_WWW_CACHE
1.4 cvs 969:
970: /*
1.116 cvs 971: ** This dumps all other formats to local disk without any further
972: ** action taken
973: */
1.4 cvs 974: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
975: 0.3, 0.0, 0.0);
1.116 cvs 976:
1.4 cvs 977: }
978:
1.27 cvs 979:
1.15 cvs 980: /*----------------------------------------------------------------------
1.17 cvs 981: AHTProtocolInit
982: Registers all amaya supported protocols.
1.15 cvs 983: ----------------------------------------------------------------------*/
1.4 cvs 984: static void AHTProtocolInit (void)
985: {
1.116 cvs 986: char *strptr;
1.4 cvs 987:
1.116 cvs 988: /*
989: NB. Preemptive == YES means Blocking requests
990: Non-preemptive == NO means Non-blocking requests
991: */
992: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
993: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
994: HTBufferWriter_new);
995: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
996: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
997: #ifdef AMAYA_WWW_CACHE
998: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
999: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1000: #if 0 /* experimental code */
1.116 cvs 1001: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1002: #endif
1.116 cvs 1003:
1004: /* initialize pipelining */
1005: strptr = (char *) TtaGetEnvString ("PIPELINING");
1006: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1007: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1008: }
1009:
1.15 cvs 1010: /*----------------------------------------------------------------------
1.17 cvs 1011: AHTNetInit
1012: Reegisters "before" and "after" request filters.
1.15 cvs 1013: ----------------------------------------------------------------------*/
1.4 cvs 1014: static void AHTNetInit (void)
1015: {
1016:
1017: /* Register BEFORE filters
1.74 cvs 1018: ** The BEFORE filters handle proxies, caches, rule files etc.
1019: ** The filters are called in the order by which the are registered
1020: ** Not done automaticly - may be done by application!
1021: */
1.4 cvs 1022:
1.116 cvs 1023: #ifdef AMAYA_WWW_CACHE
1024: HTNet_addBefore (HTCacheFilter, "http://*", NULL, HT_FILTER_MIDDLE);
1025: #endif /* AMAYA_WWW_CACHE */
1026: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1027: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1028: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1029:
1030: /* register AFTER filters
1.74 cvs 1031: ** The AFTER filters handle error messages, logging, redirection,
1032: ** authentication etc.
1033: ** The filters are called in the order by which the are registered
1034: ** Not done automaticly - may be done by application!
1035: */
1.4 cvs 1036:
1.116 cvs 1037: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
1038: HT_FILTER_MIDDLE);
1039: HTNet_addAfter(HTAuthFilter, "http://*", NULL, HT_REAUTH,
1040: HT_FILTER_MIDDLE);
1041: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
1042: HT_FILTER_MIDDLE);
1043: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND,
1044: HT_FILTER_MIDDLE);
1045: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER,
1046: HT_FILTER_MIDDLE);
1047: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
1048: HT_FILTER_MIDDLE);
1049: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
1050: HT_FILTER_MIDDLE);
1051: #ifdef AMAYA_WWW_CACHE
1052: HTNet_addAfter (HTCacheUpdateFilter, "http://*", NULL, HT_NOT_MODIFIED,
1053: HT_FILTER_MIDDLE);
1054: #endif /* AMAYA_WWW_CACHE */
1.111 cvs 1055: #ifndef _WINDOWS
1.116 cvs 1056: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL,
1057: HT_FILTER_LAST);
1.111 cvs 1058: #endif /* !_WINDOWS */
1.116 cvs 1059: /**** for later ?? ****/
1060: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1061: /* handles all errors */
1.116 cvs 1062: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1063: }
1064:
1.15 cvs 1065: /*----------------------------------------------------------------------
1.17 cvs 1066: AHTAlertInit
1067: Register alert messages and their callbacks.
1.15 cvs 1068: ----------------------------------------------------------------------*/
1069: #ifdef __STDC__
1070: static void AHTAlertInit (void)
1071: #else
1072: static void AHTAlertInit ()
1073: #endif
1074: {
1075: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.116 cvs 1076: #ifdef _WINDOWS
1.70 cvs 1077: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1078: #endif /* _WINDOWS */
1.15 cvs 1079: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1080: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1081: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1082: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1083: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1084: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1085: #ifdef AMAYA_WWW_CACHE
1.117 cvs 1086: /***
1087: HTAlert_add (AHTConfirm, HT_MSG_CACHE_LOCK);
1088: ***/
1.116 cvs 1089: #endif /* AMAYA_WWW_CACHE */
1090: }
1091:
1.118 cvs 1092: #ifdef AMAYA_WWW_CACHE
1093: /*----------------------------------------------------------------------
1094: CleanCache
1095: Clears an existing cache directory
1096: ----------------------------------------------------------------------*/
1097: #ifdef __STDC__
1098: void CleanCache (char *dirname)
1099: #else
1100: void CleanCache (dirname)
1101: char *dirname;
1102: #endif /* __STDC__ */
1103: {
1104: DIR *dp;
1105: struct stat st;
1106: #ifdef HAVE_DIRENT_H
1107: struct dirent *d;
1108: #else
1109: struct direct *d;
1110: #endif /* HAVE_DIRENT_H */
1111: char filename [BUFSIZ+1];
1112:
1113: if ((dp = opendir (dirname)) == NULL)
1114: {
1115: /* @@@ we couldn't open the directory ... we need some msg */
1116: perror (dirname);
1117: exit;
1118: }
1119:
1120: while ((d = readdir (dp)) != NULL)
1121: {
1122: #ifndef _WINDOWS
1123: /* skip the UNIX . and .. links */
1124: if (!strcmp (d->d_name, "..")
1125: || !strcmp (d->d_name, "."))
1126: continue;
1127: #endif _WINDOWS
1128:
1129: sprintf (filename, "%s%s", dirname, d->d_name);
1130: if (lstat (filename, &st) < 0 )
1131: {
1132: /* @@2 need some error message */
1133: perror (filename);
1134: continue;
1135: }
1136:
1137: switch (st.st_mode & S_IFMT)
1138: {
1139: case S_IFDIR:
1140: /* if we find a directory, we erase it, recursively */
1141: strcat (filename, "/");
1142: CleanCache (filename);
1143: break;
1144: case S_IFLNK:
1145: /* skip any links we find */
1146: continue;
1147: break;
1148: default:
1149: /* erase the filename */
1150: TtaFileUnlink (filename);
1151: break;
1152: }
1153: }
1154: closedir (dp);
1155: /* erase the directory */
1156: rmdir (dirname);
1157: }
1158: #endif /* AMAYA_WWW_CACHE */
1159:
1.116 cvs 1160: /*----------------------------------------------------------------------
1161: CacheInit
1162: Reads the cache settings from the thot.ini file.
1163: ----------------------------------------------------------------------*/
1.118 cvs 1164: #ifdef __STDC__
1.116 cvs 1165: static void CacheInit (void)
1.118 cvs 1166: #else
1167: static void Cacheinit ()
1168: #endif
1169:
1.116 cvs 1170: {
1171: #ifndef AMAYA_WWW_CACHE
1172: HTCacheMode_setEnabled (NO);
1173:
1174: #else /* AMAYA_WWW_CACHE */
1175: char *strptr;
1176: int cache_size;
1177: char *cache_dir = NULL;
1178: boolean cache;
1179:
1180: /* activate cache? */
1181: strptr = (char *) TtaGetEnvString ("ENABLE_CACHE");
1182: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1183: cache = NO;
1184: else
1185: cache = YES;
1186:
1187: /* get the cache dir (or use a default one) */
1188: strptr = (char *) TtaGetEnvString ("CACHE_DIR");
1189: if (strptr && *strptr)
1190: {
1191: cache_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 1);
1192: strcpy (cache_dir, strptr);
1193: }
1194: else
1195: {
1196: cache_dir = TtaGetMemory (strlen (DEFAULT_CACHE_DIR)
1197: + strlen (CACHE_DIR_NAME) + 1);
1198: strcpy (cache_dir, DEFAULT_CACHE_DIR);
1199: }
1200: strcat (cache_dir, CACHE_DIR_NAME);
1201:
1202: /* get the cache size (or use a default one) */
1203: strptr = (char *) TtaGetEnvString ("CACHE_SIZE");
1204: if (strptr && *strptr)
1205: cache_size = atoi (strptr);
1206: else
1207: cache_size = DEFAULT_CACHE_SIZE;
1208:
1209: if (cache)
1210: {
1211: /* how to remove the lock? force remove it? */
1212: /* @@@ugly hack to remove the .lock file ... */
1213: /* we would need something to remove the index, clear
1214: the directory, etc. attention to dir-sep */
1215: strptr = TtaGetMemory (strlen (cache_dir) + 20);
1216: strcpy (strptr, cache_dir);
1217: #ifndef _WINDOWS
1218: strcat (strptr, "/.lock");
1219: #else
1220: strcat (strptr, "\.lock");
1221: #endif /* !_WINDOWS */
1222: if (TtaFileExist (strptr))
1223: {
1224: /* remove the lock and clean the cache (the clean cache will remove
1225: all, making the following call unnecessary */
1.118 cvs 1226: strcpy (strptr, cache_dir);
1227: /* @@@ add DIRSEP */
1228: strcat (strptr, "/");
1229: CleanCache (strptr);
1.116 cvs 1230: }
1231: TtaFreeMemory (strptr);
1232:
1233: /* store this in our libwww context */
1234: HTCacheInit (cache_dir, cache_size);
1235: HTCacheMode_setExpires(HT_EXPIRES_AUTO);
1236: }
1237: else
1238: HTCacheMode_setEnabled (NO);
1239:
1240: if (cache_dir)
1241: TtaFreeMemory (cache_dir);
1242: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1243: }
1244:
1245: /*----------------------------------------------------------------------
1.97 cvs 1246: ProxyInit
1247: Reads any proxies settings which may be declared as environmental
1248: variables or in the thot.ini file. The former overrides the latter.
1249: ----------------------------------------------------------------------*/
1.118 cvs 1250: #ifdef __STDC__
1.97 cvs 1251: static void ProxyInit (void)
1.118 cvs 1252: #else
1253: static void ProxyInit ()
1254: #endif /* __STDC__ */
1.97 cvs 1255: {
1256: char *strptr;
1257: char *str = NULL;
1258: char *name;
1259:
1260: /* get the proxy settings from the thot.ini file */
1261: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1262: if (strptr && *strptr)
1263: HTProxy_add ("http", strptr);
1264: /* get the no_proxy settings from the thot.ini file */
1265: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1266: if (strptr && *strptr)
1267: {
1268: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1269: strptr = str;
1270: while ((name = HTNextField (&strptr)) != NULL) {
1271: char *portstr = strchr (name, ':');
1272: unsigned port=0;
1273: if (portstr) {
1274: *portstr++ = '\0';
1.116 cvs 1275: if (*portstr) port = (unsigned) atoi (portstr);
1.97 cvs 1276: }
1277: /* Register it for all access methods */
1278: HTNoProxy_add (name, NULL, port);
1279: }
1280: TtaFreeMemory (str);
1281: }
1282:
1283: /* use libw3's routine to get all proxy settings from the environment */
1284: HTProxy_getEnvVar ();
1285: }
1286:
1287:
1288: /*----------------------------------------------------------------------
1.17 cvs 1289: AHTProfile_newAmaya
1290: creates the Amaya client profile for libwww.
1.15 cvs 1291: ----------------------------------------------------------------------*/
1292: #ifdef __STDC__
1293: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1294: #else /* __STDC__ */
1295: static void AHTProfile_newAmaya (AppName, AppVersion)
1296: char *AppName;
1297: char *AppVersion;
1298: #endif /* __STDC__ */
1.4 cvs 1299: {
1300: /* If the Library is not already initialized then do it */
1301: if (!HTLib_isInitialized ())
1302: HTLibInit (AppName, AppVersion);
1303:
1304: if (!converters)
1305: converters = HTList_new ();
1.27 cvs 1306: if (!acceptTypes)
1307: acceptTypes = HTList_new ();
1.4 cvs 1308: if (!encodings)
1309: encodings = HTList_new ();
1310:
1311: /* Register the default set of transport protocols */
1312: HTTransportInit ();
1313:
1314: /* Register the default set of application protocol modules */
1315: AHTProtocolInit ();
1316:
1.116 cvs 1317: /* Register the default set of messages and dialog functions */
1318: AHTAlertInit ();
1319: HTAlert_setInteractive (YES);
1320:
1321: #ifdef AMAYA_WWW_CACHE
1322: /* Enable the persistent cache */
1323: CacheInit ();
1324: #else
1325: HTCacheMode_setEnabled (NO);
1326: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 1327:
1328: /* Register the default set of BEFORE and AFTER filters */
1329: AHTNetInit ();
1330:
1331: /* Set up the default set of Authentication schemes */
1332: HTAAInit ();
1333:
1.97 cvs 1334: /* Get any proxy settings */
1335: ProxyInit ();
1.4 cvs 1336:
1337: /* Register the default set of converters */
1338: AHTConverterInit (converters);
1.27 cvs 1339: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1340: HTFormat_setConversion (converters);
1341:
1342: /* Register the default set of transfer encoders and decoders */
1.116 cvs 1343: HTTransferEncoderInit (encodings); /* chunks ??? */
1.4 cvs 1344: HTFormat_setTransferCoding (encodings);
1345:
1346: /* Register the default set of MIME header parsers */
1.74 cvs 1347: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1348:
1349: /* Register the default set of Icons for directory listings */
1.27 cvs 1350: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1351:
1352: }
1353:
1.5 cvs 1354: /*----------------------------------------------------------------------
1.17 cvs 1355: AHTProfile_delete
1356: deletes the Amaya client profile.
1.5 cvs 1357: ----------------------------------------------------------------------*/
1.4 cvs 1358: #ifdef __STDC__
1359: static void AHTProfile_delete (void)
1360: #else
1361: static void AHTProfile_delete ()
1.7 cvs 1362: #endif /* __STDC__ */
1.4 cvs 1363: {
1.22 cvs 1364:
1365: /* free the Amaya global context */
1.74 cvs 1366: if (!converters)
1367: HTConversion_deleteAll (converters);
1368: if (!acceptTypes)
1369: HTConversion_deleteAll (acceptTypes);
1370: if (!encodings)
1371: HTCoding_deleteAll (encodings);
1372:
1373: HTList_delete (Amaya->docid_status);
1374: HTList_delete (Amaya->reqlist);
1375: TtaFreeMemory (Amaya);
1376: {
1.61 cvs 1377:
1.74 cvs 1378: if (HTLib_isInitialized ())
1379:
1.61 cvs 1380: # ifdef _WINDOWS
1381: HTEventTerminate ();
1382: # endif _WINDOWS;
1.74 cvs 1383:
1384: /* Clean up the persistent cache (if any) */
1.116 cvs 1385: #ifdef AMAYA_WWW_CACHE
1386: HTCacheTerminate ();
1387: #endif /* AMAYA_WWW_CACHE */
1.74 cvs 1388:
1389: /* Clean up all the global preferences */
1390: HTFormat_deleteAll ();
1391:
1392: /* Terminate libwww */
1393: HTLibTerminate ();
1394: }
1.4 cvs 1395: }
1396:
1.5 cvs 1397: /*----------------------------------------------------------------------
1.116 cvs 1398: AmayacontextInit
1399: initializes an internal Amaya context for our libwww interface
1400: ----------------------------------------------------------------------*/
1401: #ifdef __STDC__
1402: static void AmayaContextInit ()
1403: #else
1404: static void AmayaContextInit ()
1405: #endif
1406:
1407: {
1408: AmayaAlive = TRUE;
1409: /* Initialization of the global context */
1410: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1411: Amaya->reqlist = HTList_new ();
1412: Amaya->docid_status = HTList_new ();
1413: Amaya->open_requests = 0;
1414: }
1415:
1416: /*----------------------------------------------------------------------
1.17 cvs 1417: QueryInit
1418: initializes the libwww interface
1.5 cvs 1419: ----------------------------------------------------------------------*/
1.4 cvs 1420: #ifdef __STDC__
1421: void QueryInit ()
1422: #else
1423: void QueryInit ()
1424: #endif
1425: {
1426:
1.116 cvs 1427: AmayaContextInit ();
1428:
1.4 cvs 1429: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.116 cvs 1430:
1.69 cvs 1431: /* New AHTBridge stuff */
1.4 cvs 1432:
1.116 cvs 1433: #ifdef _WINDOWS
1.75 cvs 1434: AHTEventInit ();
1.116 cvs 1435: #endif /* _WINDOWS */
1.72 cvs 1436:
1.116 cvs 1437: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
1438: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.4 cvs 1439:
1.116 cvs 1440: #ifndef _WINDOWS
1441: HTTimer_registerSetTimerCallback ((void *) SetTimer);
1442: HTTimer_registerDeleteTimerCallback ((void *) DeleteTimer);
1443: #endif /* !_WINDOWS */
1444:
1445: #ifdef AMAYA_WWW_CACHE
1446: /***
1447: WWW_TraceFlag = CACHE_TRACE;
1448: ***/
1449: #endif
1.72 cvs 1450:
1.74 cvs 1451: #ifdef DEBUG_LIBWWW
1.116 cvs 1452: /* forwards error messages to our own function */
1453: WWW_TraceFlag = THD_TRACE;
1454: HTTrace_setCallback(LineTrace);
1.74 cvs 1455: #endif
1.4 cvs 1456:
1457: /* Trace activation (for debugging) */
1.7 cvs 1458: /*
1.116 cvs 1459: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1460:
1.4 cvs 1461: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1462: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1463: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1464: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1465: SHOW_CORE_TRACE;
1466:
1.7 cvs 1467: */
1.4 cvs 1468:
1469: /***
1470: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1471: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1472: ***/
1473:
1474: /* Setting up other user interfaces */
1475:
1476: /* Setting up different network parameters */
1.17 cvs 1477: /* Maximum number of simultaneous open sockets */
1.4 cvs 1478: HTNet_setMaxSocket (8);
1.75 cvs 1479: /* different network services timeouts */
1.109 cvs 1480: HTDNS_setTimeout (60);
1.75 cvs 1481: #ifdef _WINDOWS
1482: /* under windows, the libwww persistent socket handling has
1483: ** some bugs. The following line inhibits idle socket reusal.
1484: ** this is a bit slower, but avoids crashes and gives us time
1485: ** to distribute Amaya before having to patch up libwww.
1486: */
1.76 cvs 1487: HTHost_setPersistTimeout (-1L);
1.75 cvs 1488: #else
1.76 cvs 1489: HTHost_setPersistTimeout (60L);
1.75 cvs 1490: #endif /* _WINDOWS */
1.116 cvs 1491: HTHost_setEventTimeout (1000);
1.75 cvs 1492:
1.4 cvs 1493: #ifdef CATCH_SIG
1.18 cvs 1494: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1495: #endif
1.15 cvs 1496: }
1497:
1.69 cvs 1498: #ifndef _WINDOWS
1.15 cvs 1499: /*----------------------------------------------------------------------
1.17 cvs 1500: LoopForStop
1501: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1502: Not useful for windows code (Ramzi).
1.15 cvs 1503: ----------------------------------------------------------------------*/
1504: #ifdef __STDC__
1505: static int LoopForStop (AHTReqContext * me)
1506: #else
1507: static int LoopForStop (AHTReqContext * me)
1508: #endif
1509: {
1510:
1.25 cvs 1511: extern ThotAppContext app_cont;
1.51 cvs 1512: XEvent ev;
1513: XtInputMask status;
1.17 cvs 1514: int status_req = HT_OK;
1.15 cvs 1515:
1516: /* to test the async calls */
1.17 cvs 1517: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1518: while (me->reqStatus != HT_ABORT &&
1519: me->reqStatus != HT_END &&
1.69 cvs 1520: me->reqStatus != HT_ERR) {
1.116 cvs 1521: if (!AmayaIsAlive ())
1.69 cvs 1522: /* Amaya was killed by one of the callback handlers */
1523: exit (0);
1524:
1525: status = XtAppPending (app_cont);
1526: if (status & XtIMXEvent) {
1527: XtAppNextEvent (app_cont, &ev);
1528: TtaHandleOneEvent (&ev);
1529: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1530: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1531: } else {
1532: XtAppNextEvent (app_cont, &ev);
1533: TtaHandleOneEvent (&ev);
1534: }
1535: }
1.4 cvs 1536:
1.69 cvs 1537: switch (me->reqStatus) {
1538: case HT_ERR:
1539: case HT_ABORT:
1.15 cvs 1540: status_req = HT_ERROR;
1541: break;
1542:
1.69 cvs 1543: case HT_END:
1.15 cvs 1544: status_req = HT_OK;
1545: break;
1546:
1.69 cvs 1547: default:
1.15 cvs 1548: break;
1.69 cvs 1549: }
1.15 cvs 1550: return (status_req);
1.4 cvs 1551: }
1.69 cvs 1552: #endif /* _WINDOWS */
1.4 cvs 1553:
1.5 cvs 1554: /*----------------------------------------------------------------------
1.15 cvs 1555: QueryClose
1.21 cvs 1556: closes all existing threads, frees all non-automatically deallocated
1557: memory and then ends libwww.
1.5 cvs 1558: ----------------------------------------------------------------------*/
1.116 cvs 1559: void QueryClose ()
1.4 cvs 1560: {
1.24 cvs 1561:
1.116 cvs 1562: AmayaAlive = FALSE;
1.24 cvs 1563:
1.116 cvs 1564: /* remove all the handlers and callbacks that may output a message to
1565: a non-existent Amaya window */
1.21 cvs 1566:
1.116 cvs 1567: HTNet_deleteAfter (AHTLoadTerminate_handler);
1568: HTNet_deleteAfter (redirection_handler);
1569: HTAlertCall_deleteAll (HTAlert_global () );
1570: HTAlert_setGlobal ((HTList *) NULL);
1571: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1572: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1573: #ifndef _WINDOWS
1574: /** need to erase all existing timers too **/
1575: HTTimer_registerSetTimerCallback (NULL);
1576: HTTimer_registerDeleteTimerCallback (NULL);
1577: #endif /* !_WINDOWS */
1578: HTHost_setActivateRequestCallback (NULL);
1579: Thread_deleteAll ();
1.21 cvs 1580:
1.116 cvs 1581: HTProxy_deleteAll ();
1582: HTNoProxy_deleteAll ();
1583: HTGateway_deleteAll ();
1584: AHTProfile_delete ();
1585: }
1586:
1587: /*----------------------------------------------------------------------
1588: NextNameValue
1589: ---------------------------------------------------------------------*/
1590: #ifdef __STDC__
1591: static char * NextNameValue (char ** pstr, char **name, char **value)
1592: #else
1593: static char * NextNameValue (pstr, name, value);
1594: char ** pstr;
1595: char **name;
1596: char **value;
1597: #endif /* __STDC__ */
1598: {
1599: char * p = *pstr;
1600: char * start = NULL;
1601: if (!pstr || !*pstr) return NULL;
1602:
1603: if (!*p) {
1604: *pstr = p;
1605: *name = NULL;
1606: *value = NULL;
1607: return NULL; /* No field */
1608: }
1609:
1610: /* Now search for the next '&' and ';' delimitators */
1611: start = p;
1612: while (*p && *p != '&' && *p != ';') p++;
1613: if (*p)
1614: *p++ = '\0';
1615: *pstr = p;
1616:
1617: /* Search for the name and value */
1618: *name = start;
1619: p = start;
1620:
1621: while(*p && *p != '=')
1622: p++;
1623: if (*p)
1624: *p++ = '\0';
1625: *value = p;
1626:
1627: return start;
1628: }
1629:
1630: /*----------------------------------------------------------------------
1631: PrepareFormdata
1632: ---------------------------------------------------------------------*/
1633: #ifdef __STDC__
1634: static HTAssocList * PrepareFormdata (char *string)
1635: #else
1636: static HTAssocList * PrepareFormdata (string)
1637: char *string;
1638: #endif /* __STDC__ */
1639: {
1640: char * tmp_string, * tmp_string_ptr;
1641: char * name;
1642: char * value;
1643: HTAssocList * formdata;
1644:
1645: if (!string)
1646: return NULL;
1647:
1648: /* store the ptr in another variable, as the original address will
1649: change
1650: */
1651:
1652: tmp_string_ptr = tmp_string = TtaStrdup (string);
1653: formdata = HTAssocList_new();
1654:
1655: while (*tmp_string)
1656: {
1657: NextNameValue (&tmp_string, &name, &value);
1658: HTAssocList_addObject(formdata,
1659: name, value);
1660: }
1661:
1662: TtaFreeMemory (tmp_string_ptr);
1663: return formdata;
1.4 cvs 1664: }
1665:
1.99 cvs 1666:
1667: /*----------------------------------------------------------------------
1668: InvokeGetObjectWWW_callback
1669: A simple function to invoke a callback function whenever there's an error
1670: in GetObjectWWW
1671: ---------------------------------------------------------------------*/
1672:
1.116 cvs 1673: #ifdef __STDC__
1674: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 1675: #else
1.111 cvs 1676: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 1677: int docid;
1678: char *urlName;
1679: char *outputfile;
1680: TTcbf *terminate_cbf;
1681: void *context_tcbf;
1.116 cvs 1682: #endif /* __STDC__ */
1.99 cvs 1683: {
1684: if (!terminate_cbf)
1685: return;
1686:
1.116 cvs 1687: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 1688: NULL, context_tcbf);
1689: }
1690:
1691:
1692:
1.5 cvs 1693: /*----------------------------------------------------------------------
1.15 cvs 1694: GetObjectWWW
1.17 cvs 1695: this function requests a resource designated by a URLname into a
1696: temporary filename. The download can come from a simple GET operation,
1697: or can come from POSTING/GETTING a form. In the latter
1698: case, the function receives a query string to send to the server.
1699:
1.5 cvs 1700: 4 file retrieval modes are proposed:
1701: AMAYA_SYNC : blocking mode
1702: AMAYA_ISYNC : incremental, blocking mode
1703: AMAYA_ASYNC : non-blocking mode
1704: AMAYA_IASYNC : incremental, non-blocking mode
1705:
1706: In the incremental mode, each time a package arrives, it will be
1707: stored in the temporary file. In addition, if an
1708: incremental_callback function is defined, this function will be
1709: called and handled a copy of the newly received data package.
1710: Finally, if a terminate_callback function is defined, it will be
1711: invoked when the request terminates. The caller of this function
1.4 cvs 1712: can define two different contexts to be passed to the callback
1713: functions.
1714:
1715: When the function is called with the SYNC mode, the function will
1716: return only when the requested file has been loaded.
1717: The ASYNC mode will immediately return after setting up the
1718: call.
1719:
1720: Notes:
1721: At the end of a succesful request, the urlName string contains the
1722: name of the actually retrieved URL. As a URL can change over the time,
1723: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1724: caller verify the value of the urlName variable at the end of
1.4 cvs 1725: a request.
1726:
1727: Inputs:
1728: - docid Document identifier for the set of objects being
1729: retrieved.
1730: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1731: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1732: - mode The retrieval mode.
1733: - incremental_cbf
1734: - context_icbf
1735: Callback and context for the incremental modes
1736: - terminate_cbf
1737: - context_icbf
1738: Callback and context for a terminate handler
1.17 cvs 1739: -error_html if TRUE, then display any server error message as an
1740: HTML document.
1.88 cvs 1741: - content_type a string
1742:
1.4 cvs 1743: Outputs:
1744: - urlName The URL that was retrieved
1745: - outputfile The name of the temporary file which holds the
1746: retrieved data. (Only in case of success)
1.88 cvs 1747: - if content_type wasn't NULL, it will contain a copy of the parameter
1748: sent in the HTTP answer
1.4 cvs 1749: Returns:
1750: HT_ERROR
1751: HT_OK
1.5 cvs 1752:
1753: ----------------------------------------------------------------------*/
1.4 cvs 1754: #ifdef __STDC__
1.116 cvs 1755: int GetObjectWWW (int docid, char* urlName, char* postString,
1756: char* outputfile, int mode, TIcbf* incremental_cbf,
1757: void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 1758: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1759: #else
1.116 cvs 1760: int GetObjectWWW (docid, urlName, postString, outputfile, mode,
1761: incremental_cbf, context_icbf,
1.88 cvs 1762: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1763: int docid;
1764: char *urlName;
1765: char *postString;
1766: char *outputfile;
1767: int mode;
1768: TIcbf *incremental_cbf;
1769: void *context_icbf;
1770: TTcbf *terminate_cbf;
1771: void *context_tcbf;
1772: boolean error_html;
1.88 cvs 1773: char *content_type;
1.4 cvs 1774: #endif
1775: {
1776: AHTReqContext *me;
1777: char *ref;
1.107 cvs 1778: int status, l;
1.114 cvs 1779: int tempsubdir;
1.7 cvs 1780:
1.116 cvs 1781: if (urlName == NULL || docid == 0 || outputfile == NULL)
1782: {
1783: /* no file to be loaded */
1784: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 1785:
1.116 cvs 1786: if (error_html)
1.69 cvs 1787: /* so we can show the error message */
1788: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 1789: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1790: context_tcbf, HT_ERROR);
1791: return HT_ERROR;
1792: }
1.7 cvs 1793:
1.4 cvs 1794: /* do we support this protocol? */
1.116 cvs 1795: if (IsValidProtocol (urlName) == NO)
1796: {
1797: /* return error */
1798: outputfile[0] = EOS; /* file could not be opened */
1799: TtaSetStatus (docid, 1,
1800: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
1801: urlName);
1802:
1803: if (error_html)
1.69 cvs 1804: /* so we can show the error message */
1805: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 1806: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1807: context_tcbf, HT_ERROR);
1808: return HT_ERROR;
1809: }
1.4 cvs 1810:
1.114 cvs 1811: /* we store CSS in subdir named 0; all the other files go to a subidr
1812: named after their own docid */
1813:
1814: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
1815:
1.116 cvs 1816: /* create a tempfilename */
1817: sprintf (outputfile, "%s%c%d%c%04dAM",
1818: TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
1819: /* update the object_counter (used for the tempfilename) */
1.4 cvs 1820: object_counter++;
1.116 cvs 1821:
1.4 cvs 1822: /* normalize the URL */
1.45 cvs 1823: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1824: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1825: if (ref == (char*) NULL || ref[0] == EOS) {
1826: /*error */
1827: outputfile[0] = EOS;
1828: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1829:
1830: if (error_html)
1.116 cvs 1831: /* so we can show the error message */
1832: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 1833: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 1834: context_tcbf, HT_ERROR);
1.69 cvs 1835: return HT_ERROR;
1836: }
1.116 cvs 1837:
1.4 cvs 1838: /* verify if that file name existed */
1.9 cvs 1839: if (TtaFileExist (outputfile))
1.77 cvs 1840: TtaFileUnlink (outputfile);
1.116 cvs 1841:
1.4 cvs 1842: /* Initialize the request structure */
1843: me = AHTReqContext_new (docid);
1.116 cvs 1844: if (me == NULL)
1845: {
1846: outputfile[0] = EOS;
1847: /* need an error message here */
1848: TtaFreeMemory (ref);
1849: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1850: context_tcbf, HT_ERROR);
1851: return HT_ERROR;
1852: }
1853:
1.4 cvs 1854: /* Specific initializations for POST and GET */
1.116 cvs 1855: if (mode & AMAYA_FORM_POST)
1856: {
1857: me->method = METHOD_POST;
1858: if (postString)
1859: {
1860: me->mem_ptr = TtaStrdup (postString);
1861: me->block_size = strlen (postString);
1862: }
1863: HTRequest_setMethod (me->request, METHOD_POST);
1864: }
1865: else
1866: {
1867: me->method = METHOD_GET;
1868: if (!HasKnownFileSuffix (ref))
1869: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1870: }
1.93 cvs 1871:
1.116 cvs 1872: /* Common initialization for all HTML methods */
1.4 cvs 1873: me->mode = mode;
1874: me->error_html = error_html;
1875: me->incremental_cbf = incremental_cbf;
1876: me->context_icbf = context_icbf;
1877: me->terminate_cbf = terminate_cbf;
1878: me->context_tcbf = context_tcbf;
1.64 cvs 1879:
1.69 cvs 1880: /* for the async. request modes, we need to have our
1.4 cvs 1881: own copy of outputfile and urlname
1.116 cvs 1882: */
1.4 cvs 1883:
1.116 cvs 1884: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1885: {
1886: l = strlen (outputfile);
1887: if (l > MAX_LENGTH)
1888: me->outputfile = TtaGetMemory (l + 2);
1889: else
1890: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
1891: strcpy (me->outputfile, outputfile);
1892: l = strlen (urlName);
1893: if (l > MAX_LENGTH)
1894: me->urlName = TtaGetMemory (l + 2);
1895: else
1896: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
1897: strcpy (me->urlName, urlName);
1898: #ifdef _WINDOWS
1899: /* force windows ASYNC requests to always be non preemptive */
1900: HTRequest_setPreemptive (me->request, NO);
1901: #endif /*_WINDOWS */
1902: } /* AMAYA_ASYNC mode */
1903: else
1904: #ifdef _WINDOWS
1905: {
1906: me->outputfile = outputfile;
1907: me->urlName = urlName;
1908: /* force windows SYNC requests to always be non preemptive */
1909: HTRequest_setPreemptive (me->request, YES);
1910: }
1911: #else /* !_WINDOWS */
1912: {
1913: me->outputfile = outputfile;
1914: me->urlName = urlName;
1915: }
1916: /***
1.57 cvs 1917: Change for taking into account the stop button:
1918: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1919: we will loop until the document has been received or a stop signal
1920: generated
1.77 cvs 1921: ****/
1.116 cvs 1922: HTRequest_setPreemptive (me->request, NO);
1923: #endif /* _WINDOWS */
1.61 cvs 1924:
1925: /* prepare the URLname that will be displayed in teh status bar */
1926: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 1927: TtaSetStatus (me->docid, 1,
1928: TtaGetMessage (AMAYA, AM_FETCHING),
1929: me->status_urlName);
1.4 cvs 1930:
1931: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1932: TtaFreeMemory (ref);
1.4 cvs 1933:
1.114 cvs 1934: if (mode & AMAYA_NOCACHE)
1.116 cvs 1935: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1936:
1937: /* prepare the query string and format for POST */
1938: if (mode & AMAYA_FORM_POST)
1.114 cvs 1939: {
1.116 cvs 1940: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1941: HTAtom_for ("application/x-www-form-urlencoded"));
1942: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1943: HTRequest_setEntityAnchor (me->request, me->anchor);
1944: HTRequest_setEntityAnchor (me->request, me->anchor);
1945: me->formdata = PrepareFormdata (postString);
1946: }
1.114 cvs 1947:
1.116 cvs 1948: /* do the request */
1949: if (mode & AMAYA_FORM_POST)
1.119 ! cvs 1950: {
! 1951: /* this call doesn't give back a boolean */
! 1952: HTParentAnchor * posted = NULL;
! 1953:
! 1954: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
! 1955: me->request);
! 1956: status = posted ? YES : NO;
! 1957: }
1.116 cvs 1958: else
1.77 cvs 1959: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1960:
1.116 cvs 1961: /* control the errors */
1962: if (status != HT_OK
1963: && HTError_hasSeverity (HTRequest_error (me->request), ERR_NON_FATAL))
1964: status = HT_ERROR;
1.82 cvs 1965:
1.116 cvs 1966: /* test the effect of HTRequest_kill () */
1.85 cvs 1967:
1.116 cvs 1968: #if 0
1969: /** *this should go to term_d @@@@ */
1970: if (me->reqStatus == HT_CACHE)
1.93 cvs 1971: {
1.116 cvs 1972: AHTPrintPendingRequestStatus (me->docid, YES);
1973: /* free the memory allocated for async requests */
1974: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
1975: terminate_cbf, context_tcbf, HT_OK);
1976: AHTReqContext_delete (me);
1977: return HT_OK;
1.93 cvs 1978: }
1.116 cvs 1979: #endif
1.4 cvs 1980:
1.116 cvs 1981: if (status == HT_ERROR)
1982: /* the request invocation failed */
1983: {
1984: /* show an error message on the status bar */
1985: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1986: TtaSetStatus (docid, 1,
1987: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1988: urlName);
1989: if (me->reqStatus == HT_NEW)
1990: /* manually invoke the last processing that usually gets done
1991: in a succesful request */
1992: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
1993: terminate_cbf, context_tcbf, HT_ERROR);
1994: /* terminate_handler wasn't called */
1995: if (mode & AMAYA_SYNC || mode & AMAYA_ISYNC)
1996: AHTReqContext_delete (me);
1997: }
1998: else
1999: /* end treatment for SYNC requests */
1.72 cvs 2000:
1.116 cvs 2001: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2002: {
2003: #ifndef _WINDOWS
2004: /* part of the UNIX stop button handler */
2005: if (status != HT_ERROR)
2006: status = LoopForStop (me);
2007: #endif /* _!WINDOWS */
2008:
2009: if (!HTRequest_kill (me->request))
2010: AHTReqContext_delete (me);
2011: }
2012: return (status);
1.4 cvs 2013: }
2014:
1.5 cvs 2015: /*----------------------------------------------------------------------
1.17 cvs 2016: PutObjectWWW
2017: frontend for uploading a resource to a URL. This function downloads
2018: a file to be uploaded into memory, it then calls UploadMemWWW to
2019: finish the job.
2020:
1.5 cvs 2021: 2 upload modes are proposed:
2022: AMAYA_SYNC : blocking mode
2023: AMAYA_ASYNC : non-blocking mode
2024:
1.4 cvs 2025: When the function is called with the SYNC mode, the function will
2026: return only when the file has been uploaded.
2027: The ASYNC mode will immediately return after setting up the
2028: call. Furthermore, at the end of an upload, the ASYNC mode will
2029: call back terminate_cbf, handling it the context defined in
2030: context_tcbf.
2031:
2032: Notes:
2033: At the end of a succesful request, the urlName string contains the
2034: name of the actually uploaded URL. As a URL can change over the time,
2035: (e.g., be redirected elsewhere), it is advised that the function
2036: caller verifies the value of the urlName variable at the end of
2037: a request.
2038:
2039: Inputs:
2040: - docid Document identifier for the set of objects being
2041: retrieved.
2042: - fileName A pointer to the local file to upload
2043: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
2044: - mode The retrieval mode.
2045: - terminate_cbf
2046: - context_icbf
2047: Callback and context for a terminate handler
2048:
2049: Outputs:
2050: - urlName The URL that was uploaded
2051:
2052: Returns:
2053: HT_ERROR
2054: HT_OK
1.5 cvs 2055: ----------------------------------------------------------------------*/
1.4 cvs 2056: #ifdef __STDC__
1.27 cvs 2057: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 2058: TTcbf * terminate_cbf, void *context_tcbf)
2059: #else
1.26 cvs 2060: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 2061: ,terminate_cbf, context_tcbf)
2062: int docid;
2063: char *urlName;
2064: char *fileName;
2065: int mode;
1.27 cvs 2066: PicType contentType;
1.4 cvs 2067: TTcbf *terminate_cbf;
2068: void *context_tcbf;
2069:
1.116 cvs 2070: #endif /* __STDC__ */
1.4 cvs 2071: {
1.116 cvs 2072: AHTReqContext *me;
1.4 cvs 2073: int status;
2074: int fd;
2075: struct stat file_stat;
1.116 cvs 2076: char *fileURL;
1.4 cvs 2077:
1.33 cvs 2078: AmayaLastHTTPErrorMsg [0] = EOS;
2079:
1.116 cvs 2080: if (urlName == NULL || docid == 0 || fileName == NULL
2081: || !TtaFileExist (fileName))
1.4 cvs 2082: /* no file to be uploaded */
2083: return HT_ERROR;
2084:
2085: /* do we support this protocol? */
1.7 cvs 2086: if (IsValidProtocol (urlName) == NO)
2087: {
2088: /* return error */
1.77 cvs 2089: TtaSetStatus (docid, 1,
2090: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 2091: urlName);
2092: return HT_ERROR;
2093: }
1.116 cvs 2094:
2095: /* verify the file's size */
2096: #ifndef _WINDOWS
1.7 cvs 2097: if ((fd = open (fileName, O_RDONLY)) == -1)
1.116 cvs 2098: #else
1.74 cvs 2099: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.116 cvs 2100: #endif /* _WINDOWS */
1.7 cvs 2101: {
2102: /* if we could not open the file, exit */
2103: /*error msg here */
2104: return (HT_ERROR);
2105: }
1.4 cvs 2106:
2107: fstat (fd, &file_stat);
1.116 cvs 2108: close (fd);
1.4 cvs 2109:
1.7 cvs 2110: if (file_stat.st_size == 0)
2111: {
2112: /* file was empty */
2113: /*errmsg here */
2114: return (HT_ERROR);
2115: }
1.116 cvs 2116:
2117: /* prepare the request context */
1.4 cvs 2118:
2119: if (THD_TRACE)
1.116 cvs 2120: fprintf (stderr, "file size == %u\n", (unsigned) file_stat.st_size);
1.4 cvs 2121:
2122: me = AHTReqContext_new (docid);
2123:
1.7 cvs 2124: if (me == NULL)
2125: {
2126: /* need an error message here */
2127: TtaHandlePendingEvents ();
2128: return (HT_ERROR);
2129: }
1.116 cvs 2130:
1.4 cvs 2131: me->mode = mode;
2132: me->incremental_cbf = (TIcbf *) NULL;
2133: me->context_icbf = (void *) NULL;
2134: me->terminate_cbf = terminate_cbf;
2135: me->context_tcbf = context_tcbf;
2136: me->urlName = urlName;
1.116 cvs 2137: me->block_size = file_stat.st_size;
1.17 cvs 2138: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 2139: me->method = METHOD_PUT;
2140: HTRequest_setMethod (me->request, METHOD_PUT);
2141: me->output = stdout;
1.17 cvs 2142: /* we are not expecting to receive any input from the server */
2143: me->outputfile = (char *) NULL;
1.4 cvs 2144:
1.116 cvs 2145: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
2146: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (fileURL);
2147: HT_FREE (fileURL);
1.114 cvs 2148:
1.28 cvs 2149: /* Set the Content-Type of the file we are uploading */
1.77 cvs 2150: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2151: AHTGuessAtom_for (me->urlName, contentType));
1.116 cvs 2152: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.17 cvs 2153:
1.4 cvs 2154: HTRequest_setEntityAnchor (me->request, me->anchor);
1.116 cvs 2155: #ifdef _WINDOWS
2156: HTRequest_setPreemptive (me->request, YES);
2157: #else
2158: HTRequest_setPreemptive (me->request, NO);
2159: #endif /* _WINDOWS */
2160:
2161: if (mode & AMAYA_NOCACHE)
2162: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2163:
1.74 cvs 2164: /* prepare the URLname that will be displayed in teh status bar */
2165: ChopURL (me->status_urlName, me->urlName);
2166: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
2167: me->status_urlName);
1.114 cvs 2168:
1.116 cvs 2169: status = HTPutDocumentAbsolute (me->anchor, urlName, me->request);
1.4 cvs 2170:
1.116 cvs 2171: if (status != HT_ERROR && me->reqStatus != HT_ERR)
1.7 cvs 2172: {
2173: /* part of the stop button handler */
2174: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2175: {
2176: status = LoopForStop (me);
2177: }
1.15 cvs 2178: }
1.116 cvs 2179: else
2180: {
2181: if (! HTRequest_kill (me->request))
2182: AHTReqContext_delete (me);
2183: }
2184:
2185: TtaHandlePendingEvents ();
1.90 cvs 2186:
1.116 cvs 2187: return status;
1.28 cvs 2188: }
1.4 cvs 2189:
1.5 cvs 2190: /*----------------------------------------------------------------------
1.17 cvs 2191: Stop Request
2192: stops (kills) all active requests associated with a docid
1.5 cvs 2193: ----------------------------------------------------------------------*/
1.4 cvs 2194: #ifdef __STDC__
2195: void StopRequest (int docid)
2196: #else
2197: void StopRequest (docid)
2198: int docid;
2199: #endif
2200: {
2201: HTList *cur;
2202: AHTDocId_Status *docid_status;
2203: AHTReqContext *me;
1.108 cvs 2204: #ifdef DEBUG_LIBWWW
2205: int open_requests;
2206: #endif /* DEBUG_LIBWWW */
1.116 cvs 2207:
2208:
2209: if (Amaya && libDoStop)
1.7 cvs 2210: {
1.100 cvs 2211: #ifdef DEBUG_LIBWWW
1.116 cvs 2212: fprintf (stderr, "StopRequest: number of Amaya requests : %d\n",
2213: Amaya->open_requests);
1.100 cvs 2214: #endif /* DEBUG_LIBWWW */
2215:
1.116 cvs 2216: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
2217: Amaya->docid_status);
2218: /* verify if there are any requests at all associated with docid */
2219:
2220: if (docid_status == (AHTDocId_Status *) NULL)
2221: return;
1.108 cvs 2222: #ifdef DEBUG_LIBWWW
1.116 cvs 2223: open_requests = docid_status->counter;
1.108 cvs 2224: #endif /* DEBUG_LIBWWW */
1.4 cvs 2225:
1.116 cvs 2226: /* First, kill all pending requests */
2227: /* We first inhibit the activation of pending requests */
2228: HTHost_disable_PendingReqLaunch ();
2229: cur = Amaya->reqlist;
2230: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2231: {
2232: if (me->docid == docid && me->reqStatus == HT_NEW)
2233: {
2234: /* If we have an ASYNC request, we kill it.
2235: ** If it's a SYNC request, we just mark it as aborted
2236: */
2237: me->reqStatus = HT_ABORT;
2238: if (((me->mode & AMAYA_IASYNC)
2239: || (me->mode & AMAYA_ASYNC))
2240: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2241: {
2242: /* delete the amaya/libwww request context */
2243: if (!HTRequest_kill (me->request))
2244: /* if the above function returns NO (0), it means
2245: ** that there was no network context and that
2246: ** terminate_handler wasn't called. So, we erase
2247: ** this context ourselves
2248: */
1.96 cvs 2249: AHTReqContext_delete (me);
1.116 cvs 2250:
2251: cur = Amaya->reqlist;
1.108 cvs 2252: #ifdef DEBUG_LIBWWW
1.116 cvs 2253: /* update the number of open requests */
2254: open_requests--;
1.108 cvs 2255: #endif /* DEBUG_LIBWWW */
1.116 cvs 2256: }
2257: }
2258: }
1.108 cvs 2259:
1.85 cvs 2260: /* enable the activation of pending requests */
1.116 cvs 2261: HTHost_enable_PendingReqLaunch ();
1.85 cvs 2262:
1.116 cvs 2263: cur = Amaya->reqlist;
2264: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2265: {
2266: if (me->docid == docid)
2267: {
2268: /* kill this request */
2269:
2270: switch (me->reqStatus)
2271: {
2272: case HT_ABORT:
1.108 cvs 2273: #ifdef DEBUG_LIBWWW
1.116 cvs 2274: fprintf (stderr, "Stop: url %s says abort", me->urlName);
1.108 cvs 2275: #endif /* DEBUG_LIBWWW */
1.116 cvs 2276: break;
1.100 cvs 2277:
1.116 cvs 2278: case HT_END:
2279: #ifdef DEBUG_LIBWWW
2280: fprintf (stderr, "Stop: url %s says end", me->urlName);
2281: #endif /* DEBUG_LIBWWW */
2282: break;
2283:
2284: case HT_BUSY:
2285: me->reqStatus = HT_ABORT;
1.108 cvs 2286: #ifdef DEBUG_LIBWWW
1.116 cvs 2287: fprintf (stderr, "Stop: url %s going from busy to abort\n",
2288: me->urlName);
1.108 cvs 2289: #endif /* DEBUG_LIBWWW */
1.116 cvs 2290: break;
1.100 cvs 2291:
1.116 cvs 2292: case HT_NEW_PENDING:
2293: case HT_WAITING:
2294: default:
1.108 cvs 2295: #ifdef DEBUG_LIBWWW
1.116 cvs 2296: fprintf (stderr, "Stop: url %s says NEW_PENDING, WAITING",
2297: me->urlName);
1.108 cvs 2298: #endif /* DEBUG_LIBWWW */
1.116 cvs 2299: me->reqStatus = HT_ABORT;
2300:
2301: if (((me->mode & AMAYA_IASYNC)
2302: || (me->mode & AMAYA_ASYNC))
2303: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2304: {
2305: /* delete the amaya/libwww request context */
2306: if (!HTRequest_kill (me->request))
2307: /* if the above function returns NO (0), it means
2308: ** that there was no network context and that
2309: ** terminate_handler wasn't called. So, we erase
2310: ** this context ourselves
2311: */
2312: AHTReqContext_delete (me);
1.96 cvs 2313:
1.116 cvs 2314: cur = Amaya->reqlist;
1.108 cvs 2315: #ifdef DEBUG_LIBWWW
1.116 cvs 2316: /* update the number of open requests */
2317: open_requests--;
1.108 cvs 2318: #endif /* DEBUG_LIBWWW */
1.116 cvs 2319: }
2320:
1.108 cvs 2321: #ifdef DEBUG_LIBWWW
1.116 cvs 2322: if (HTHost_isIdle (reqHost))
2323: fprintf (stderr, "StopRequst: After killing, Host is "
2324: "idle\n");
2325: else
2326: fprintf (stderr, "StopRequest: After killing, Host isn't "
2327: "idle\n");
1.108 cvs 2328: #endif /* DEBUG_LIBWWW */
1.95 cvs 2329:
1.108 cvs 2330: #ifdef DEBUG_LIBWWW
1.116 cvs 2331: open_requests--;
1.108 cvs 2332: #endif /* DEBUG_LIBWWW */
1.93 cvs 2333: break;
2334:
1.116 cvs 2335: } /* switch */
2336: } /* if me docid */
2337: } /* while */
2338:
1.100 cvs 2339: #ifdef DEBUG_LIBWWW
1.116 cvs 2340: fprintf (stderr, "StopRequest: number of Amaya requests : "
2341: "%d\n", Amaya->open_requests);
1.100 cvs 2342: #endif /* DEBUG_LIBWWW */
1.7 cvs 2343: } /* if amaya open requests */
1.93 cvs 2344:
1.85 cvs 2345: } /* StopRequest */
1.17 cvs 2346:
2347:
1.105 cvs 2348: /*----------------------------------------------------------------------
2349: AmayaIsAlive
2350: returns the status of the AmayaAlive flag
2351: ----------------------------------------------------------------------*/
2352: #ifdef __STDC__
2353: boolean AmayaIsAlive (void)
2354: #else
2355: boolean AmayaIsAlive ()
2356: #endif /* _STDC_ */
2357: {
2358: return AmayaAlive;
2359: }
1.116 cvs 2360:
1.69 cvs 2361: #endif /* AMAYA_JAVA */
1.77 cvs 2362:
1.116 cvs 2363: /*
2364: end of Module query.c
2365: */
1.17 cvs 2366:
2367:
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