Annotation of Amaya/amaya/query.c, revision 1.122
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
1.122 ! cvs 27: #define CACHE_DIR_NAME "/libwww-cache"
1.116 cvs 28: #else
1.122 ! cvs 29: #define CACHE_DIR_NAME "\libwww-cache"
1.116 cvs 30: #endif /* !_WINDOWS */
31:
32:
33:
34: #define DEFAULT_CACHE_SIZE 5
35:
36:
1.12 cvs 37: /* Amaya includes */
1.25 cvs 38: #define THOT_EXPORT extern
1.4 cvs 39: #include "amaya.h"
1.70 cvs 40: #ifdef _WINDOWS
41: #include <fcntl.h>
42: #endif /* _WINDOWS */
1.7 cvs 43:
1.4 cvs 44: #if defined(__svr4__)
45: #define CATCH_SIG
46: #endif
47:
48: /* local structures coming from libwww and which are
1.17 cvs 49: not found in any .h file
1.7 cvs 50: */
1.68 cvs 51:
1.7 cvs 52: struct _HTStream
53: {
1.15 cvs 54: const HTStreamClass *isa;
55: FILE *fp;
1.45 cvs 56: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 57: char *end_command; /* Command to execute */
58: BOOL remove_on_close; /* Remove file? */
59: char *filename; /* Name of file */
60: HTRequest *request; /* saved for callback */
61: HTRequestCallback *callback;
1.7 cvs 62: };
63:
1.15 cvs 64:
1.7 cvs 65: struct _HTError
66: {
67: HTErrorElement element; /* Index number into HTError */
68: HTSeverity severity; /* A la VMS */
69: BOOL ignore; /* YES if msg should not go to user */
70: void *par; /* Explanation, e.g. filename */
71: int length; /* For copying by generic routine */
72: char *where; /* Which function */
73: };
74:
1.4 cvs 75: /* Type definitions and global variables etc. local to this module */
76:
1.17 cvs 77: /*----------------------------------------------------------------------*/
78:
1.4 cvs 79: /*** private variables ***/
1.17 cvs 80:
1.4 cvs 81: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 82: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.4 cvs 83: static HTList *encodings = NULL;
1.16 cvs 84: static int object_counter = 0; /* loaded objects counter */
1.116 cvs 85: static boolean AmayaAlive; /* set to 1 if the application is active;
86: 0 if we have killed */
1.4 cvs 87:
1.15 cvs 88: #include "answer_f.h"
89: #include "query_f.h"
90: #include "AHTURLTools_f.h"
91: #include "AHTBridge_f.h"
92: #include "AHTMemConv_f.h"
93: #include "AHTFWrite_f.h"
1.4 cvs 94:
1.116 cvs 95: /* prototypes */
96:
97: #ifdef __STDC__
1.120 cvs 98: #ifdef __WINDOWS
1.70 cvs 99: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 100: #endif /* _WINDOWS */
1.70 cvs 101: #else
1.120 cvs 102: #ifdef __WINDOWS
1.70 cvs 103: int WIN_Activate_Request ();
1.116 cvs 104: #endif /* _WINDOWS */
1.70 cvs 105: #endif /* __STDC__ */
1.116 cvs 106:
1.15 cvs 107:
108: /*----------------------------------------------------------------------
1.17 cvs 109: GetDocIdStatus
110: gets the status associated to a docid
1.15 cvs 111: ----------------------------------------------------------------------*/
112: #ifdef __STDC__
113: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
114: #else
115: AHTDocID_Status *GetDocIdStatus (docid, documents)
116: int docid;
117: HTList *documents;
118:
119: #endif
120: {
121: AHTDocId_Status *me;
122: HTList *cur;
123:
124: if (documents)
125: {
126: cur = documents;
127:
128: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
129: {
130: if (me->docid == docid)
131: return (me);
1.18 cvs 132: }
133: }
1.15 cvs 134: return (AHTDocId_Status *) NULL;
135:
136: }
137:
1.5 cvs 138: /*----------------------------------------------------------------------
1.27 cvs 139: AHTGuessAtom_for
140: Converts an Amaya type descriptor into the equivalent MIME type.
141: ----------------------------------------------------------------------*/
142: #ifdef __STDC__
143: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
144: #else
145: static HTAtom *AHTGuessAtom_for (urlName, contentType)
146: char *urlName;
147: PicType contentType;
148: #endif
149: {
150: HTAtom *atom;
151: char *filename;
152: HTEncoding enc;
153: HTEncoding cte;
154: HTLanguage lang;
1.50 cvs 155: double quality = 1.0;
1.27 cvs 156:
157: switch (contentType)
158: {
159: case xbm_type:
160: atom = HTAtom_for("image/xbm");
161: break;
162: case eps_type:
1.35 cvs 163: atom = HTAtom_for("application/postscript");
1.27 cvs 164: break;
165: case xpm_type:
166: atom = HTAtom_for("image/xpm");
167: break;
168: case gif_type:
169: atom = HTAtom_for("image/gif");
170: break;
171: case jpeg_type:
172: atom = HTAtom_for("image/jpeg");
173: break;
174: case png_type:
175: atom = HTAtom_for("image/png");
176: break;
177: case unknown_type:
178: default:
179: /*
180: ** Amaya could not detect the type, so
181: ** we try to use the filename's suffix to do so.
182: */
1.45 cvs 183: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 184: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 185: TtaFreeMemory (filename);
1.27 cvs 186: if (atom == WWW_UNKNOWN)
187: /*
188: ** we could not identify the suffix, so we assign it
189: ** a default type
190: */
191: atom = HTAtom_for ("text/html");
192: break;
193: }
194:
195: return atom;
196: }
197:
198: /*----------------------------------------------------------------------
1.17 cvs 199: AHTReqContext_new
200: create a new Amaya Context Object and update the global Amaya
201: request status.
1.5 cvs 202: ----------------------------------------------------------------------*/
1.4 cvs 203: #ifdef __STDC__
204: static AHTReqContext *AHTReqContext_new (int docid)
205: #else
206: static AHTReqContext *AHTReqContext_new (docid)
207: int docid;
208:
209: #endif
210: {
211: AHTReqContext *me;
212: AHTDocId_Status *docid_status;
213:
214: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 215: outofmem (__FILE__, "AHTReqContext_new");
216:
217: /* clear the structure */
218: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 219:
1.81 cvs 220: /* Bind the Context object together with the Request Object */
221: me->request = HTRequest_new ();
222:
1.116 cvs 223: /*
224: ** Make sure that the first request is flushed immediately and not
225: ** buffered in the output buffer
226: */
227: HTRequest_setFlush(me->request, YES);
228:
1.80 cvs 229: /* clean the associated file structure) */
1.79 cvs 230: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 231:
1.4 cvs 232: /* Initialize the other members of the structure */
1.17 cvs 233: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 234: me->docid = docid;
235: HTRequest_setMethod (me->request, METHOD_GET);
236: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
237: HTRequest_setContext (me->request, me);
1.116 cvs 238:
1.36 cvs 239: /* experimental */
240: me->read_sock = INVSOC;
241: me->write_sock = INVSOC;
242: me->except_sock = INVSOC;
1.4 cvs 243:
244: /* Update the global context */
245: HTList_appendObject (Amaya->reqlist, (void *) me);
246:
247: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
248:
1.7 cvs 249: if (docid_status == NULL)
250: {
1.116 cvs 251: docid_status = (AHTDocId_Status *)
252: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 253: docid_status->docid = docid;
254: docid_status->counter = 1;
255: HTList_addObject (Amaya->docid_status, (void *) docid_status);
256: }
257: else
1.4 cvs 258: docid_status->counter++;
259:
260: Amaya->open_requests++;
261:
1.74 cvs 262: #ifdef DEBUG_LIBWWW
263: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
264: #endif
1.116 cvs 265:
1.4 cvs 266: return me;
267: }
268:
1.5 cvs 269: /*----------------------------------------------------------------------
1.17 cvs 270: AHTReqContext_delete
271: Delete an Amaya Context Object and update the global Amaya request
272: status.
1.5 cvs 273: ----------------------------------------------------------------------*/
1.4 cvs 274:
275: #ifdef __STDC__
1.15 cvs 276: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 277: #else
1.15 cvs 278: boolean AHTReqContext_delete (me)
1.4 cvs 279: AHTReqContext *me;
280:
281: #endif
282: {
283: AHTDocId_Status *docid_status;
284:
1.7 cvs 285: if (me)
286: {
1.4 cvs 287:
1.74 cvs 288: #ifdef DEBUG_LIBWWW
289: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
290: #endif
291:
1.7 cvs 292: if (Amaya->reqlist)
293: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 294:
1.7 cvs 295: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 296:
1.7 cvs 297: if (docid_status)
298: {
299: docid_status->counter--;
300:
301: if (docid_status->counter == 0)
302: {
303: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
304: TtaFreeMemory ((void *) docid_status);
305: }
306: }
1.79 cvs 307: if (HTRequest_outputStream (me->request))
308: AHTFWriter_FREE (me->request->output_stream);
1.7 cvs 309: HTRequest_delete (me->request);
1.85 cvs 310:
1.89 cvs 311: if (me->output && me->output != stdout)
1.85 cvs 312: {
313: #ifdef DEBUG_LIBWWW
314: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
315: "FILE %p\n", me->urlName, me->output);
316: #endif
317: fclose (me->output);
318: me->output = NULL;
319: }
1.79 cvs 320:
1.7 cvs 321: if (me->error_stream != (char *) NULL)
1.70 cvs 322: HT_FREE (me->error_stream);
323: # ifndef _WINDOWS
324: # ifdef WWW_XWINDOWS
1.21 cvs 325: if (me->read_xtinput_id || me->write_xtinput_id ||
326: me->except_xtinput_id)
327: RequestKillAllXtevents(me);
1.70 cvs 328: # endif /* WWW_XWINDOWS */
329: # endif /* !_WINDOWS */
1.74 cvs 330:
1.99 cvs 331: if (me->reqStatus == HT_ABORT)
332: {
333: if (me->outputfile && me->outputfile[0] != EOS)
334: {
335: TtaFileUnlink (me->outputfile);
336: me->outputfile[0] = EOS;
337: }
338: }
339:
1.74 cvs 340: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
341: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
342: or in PutObjectWWW */
343: {
1.79 cvs 344: if (me->urlName)
345: TtaFreeMemory (me->urlName);
346: if (me->outputfile)
347: TtaFreeMemory (me->outputfile);
1.74 cvs 348: }
1.113 cvs 349:
350: if (me->content_type)
351: TtaFreeMemory (me->content_type);
1.116 cvs 352: /* @@@ need to do this better */
353: if (me->formdata)
354: HTAssocList_delete (me->formdata);
355:
356: /* to trace bugs */
357: memset ((void *) me, 0, sizeof (AHTReqContext));
1.99 cvs 358:
1.7 cvs 359: TtaFreeMemory ((void *) me);
1.116 cvs 360:
1.7 cvs 361: Amaya->open_requests--;
1.116 cvs 362:
1.15 cvs 363: return TRUE;
1.7 cvs 364: }
1.15 cvs 365: return FALSE;
1.4 cvs 366: }
367:
368:
1.15 cvs 369: /*----------------------------------------------------------------------
1.17 cvs 370: Thread_deleteAll
371: this function deletes the whole list of active threads.
1.5 cvs 372: ----------------------------------------------------------------------*/
1.4 cvs 373: #ifdef __STDC__
374: static void Thread_deleteAll (void)
375: #else
376: static void Thread_deleteAll ()
377: #endif
378: {
1.21 cvs 379: HTList *cur;
380: AHTReqContext *me;
381: AHTDocId_Status *docid_status;
382:
1.74 cvs 383: if (Amaya && Amaya->reqlist)
384: {
385: if (Amaya->open_requests > 0)
386: #ifdef DEBUG_LIBWWW
387: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
388: "requests\n", Amaya->open_requests);
389: #endif
390: {
391: cur = Amaya->reqlist;
392:
393: /* erase the requests */
394: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
395: {
396: if (me->request)
397: {
1.70 cvs 398: # ifndef _WINDOWS
1.74 cvs 399: RequestKillAllXtevents (me);
1.70 cvs 400: # endif /* !_WINDOWS */
1.92 cvs 401:
402: if (me->request->net)
403: HTRequest_kill (me->request);
1.96 cvs 404: #ifndef _WINDOWS
405: AHTReqContext_delete (me);
406: #endif /* _WINDOWS */
1.74 cvs 407: }
408: } /* while */
409:
410: /* erase the docid_status entities */
411: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
412: TtaFreeMemory ((void *) docid_status);
413:
414: } /* if */
1.84 cvs 415:
1.74 cvs 416: }
1.4 cvs 417: }
418:
1.5 cvs 419: /*----------------------------------------------------------------------
1.83 cvs 420: AHTOpen_file
421: ----------------------------------------------------------------------*/
422: #ifdef __STDC__
1.85 cvs 423: int AHTOpen_file (HTRequest * request)
1.83 cvs 424: #else
1.85 cvs 425: int AHTOpen_file (request)
1.83 cvs 426: HTRequest *request;
427:
428: #endif /* __STDC__ */
429: {
430: AHTReqContext *me; /* current request */
431:
432: me = HTRequest_context (request);
433:
1.93 cvs 434:
435: if (!me)
436: return HT_ERROR;
437:
1.83 cvs 438: #ifdef DEBUG_LIBWWW
1.116 cvs 439: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 440: #endif /* DEBUG_LIBWWW */
441:
442: if (me->reqStatus == HT_ABORT)
443: {
444: #ifdef DEBUG_LIBWWW
445: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 446: #endif /* DEBUG_LIBWWW */
447:
1.85 cvs 448: return HT_OK;
449: }
450:
451: if (HTRequest_outputStream (me->request))
452: {
453:
454: #ifdef DEBUG_LIBWWW
455: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
456: #endif /* DEBUG_LIBWWW */
457: return HT_OK;
458: }
459:
460: #ifdef DEBUG_LIBWWW
461: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
462: #endif /* DEBUG_LIBWWW */
463:
1.83 cvs 464: if (!(me->output) &&
465: (me->output != stdout) &&
466: #ifndef _WINDOWS
467: (me->output = fopen (me->outputfile, "w")) == NULL)
468: {
1.116 cvs 469: #else /* !_WINDOWS */
1.83 cvs 470: (me->output = fopen (me->outputfile, "wb")) == NULL)
471: {
472: #endif /* !_WINDOWS */
473:
474: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 475: #ifdef DEBUG_LIBWWW
476: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
477: #endif
1.83 cvs 478: TtaSetStatus (me->docid, 1,
479: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
480: me->outputfile);
481: me->reqStatus = HT_ERR;
482: return (HT_ERROR);
483: }
484:
485: HTRequest_setOutputStream (me->request,
486: AHTFWriter_new (me->request,
487: me->output, YES));
488: me->reqStatus = HT_WAITING;
489:
490: return HT_OK;
491: }
492:
493: /*----------------------------------------------------------------------
1.17 cvs 494: redirection_handler
495: this function is registered to handle permanent and temporary
496: redirections.
497: ----------------------------------------------------------------------*/
1.4 cvs 498: #ifdef __STDC__
1.7 cvs 499: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 500: #else
501: static int redirection_handler (request, context, status)
502: HTRequest *request;
503: HTResponse *response;
504: void *param;
505: int status;
506:
507: #endif
508: {
509:
510: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 511: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 512: HTMethod method = HTRequest_method (request);
1.98 cvs 513: char *ref;
514: char *tmp;
1.4 cvs 515:
1.7 cvs 516: if (!new_anchor)
517: {
518: if (PROT_TRACE)
519: HTTrace ("Redirection. No destination\n");
520: return HT_OK;
521: }
1.4 cvs 522:
523: /*
524: ** Only do redirect on GET and HEAD
525: */
1.7 cvs 526: if (!HTMethod_isSafe (method))
527: {
528: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
529: if (prompt)
530: {
531: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
532: NULL, NULL, NULL) != YES)
533: return HT_ERROR;
534: }
535: }
1.4 cvs 536:
537: /*
538: ** Start new request with the redirect anchor found in the headers.
539: ** Note that we reuse the same request object which means that we must
540: ** keep this around until the redirected request has terminated. It also
541: ** allows us in an easy way to keep track of the number of redirections
542: ** so that we can detect endless loops.
543: */
1.17 cvs 544:
1.7 cvs 545: if (HTRequest_doRetry (request))
546: {
547: /* do we need to normalize the URL? */
548: if (strncmp (new_anchor->parent->address, "http:", 5))
549: {
550: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 551: ref = AmayaParseUrl (new_anchor->parent->address,
552: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 553: if (ref)
554: {
1.98 cvs 555: HT_FREE (new_anchor->parent->address);
556: tmp = NULL;
557: HTSACopy (&tmp, ref);
558: new_anchor->parent->address = tmp;
559: TtaFreeMemory (ref);
1.7 cvs 560: }
1.98 cvs 561: else
562: return HT_ERROR; /* We can't redirect anymore */
1.7 cvs 563: }
564:
565: /* update the current file name */
1.116 cvs 566: TtaFreeMemory (me->urlName);
567: me->urlName = TtaStrdup (new_anchor->parent->address);
568:
1.21 cvs 569: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 570: {
1.116 cvs 571: strncpy (me->urlName, new_anchor->parent->address,
572: MAX_LENGTH - 1);
1.21 cvs 573: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 574: }
575: else
1.74 cvs 576: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 577:
1.38 cvs 578: ChopURL (me->status_urlName, me->urlName);
1.116 cvs 579:
1.7 cvs 580: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 581: me->status_urlName);
1.7 cvs 582:
583: /* Start request with new credentials */
1.64 cvs 584:
1.79 cvs 585: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 586: AHTFWriter_FREE (request->output_stream);
587: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 588: #ifdef DEBUG_LIBWWW
1.79 cvs 589: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 590: "FILE %p\n", me->urlName, me->output);
591: #endif
1.79 cvs 592: fclose (me->output);
593: me->output = NULL;
594: }
1.64 cvs 595: }
1.68 cvs 596:
1.105 cvs 597: /* reset the status */
1.116 cvs 598: me->reqStatus = HT_NEW;
1.105 cvs 599: /* clear the errors */
1.116 cvs 600: HTError_deleteAll (HTRequest_error (request));
1.105 cvs 601: HTRequest_setError (request, NULL);
1.116 cvs 602:
1.7 cvs 603: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 604: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 605: else
1.74 cvs 606: HTLoadAnchor (new_anchor, request);
1.7 cvs 607: }
608: else
1.68 cvs 609: {
1.74 cvs 610: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
611: NULL, 0, "HTRedirectFilter");
612: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
613: NULL);
614: if (me->error_html)
615: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
616: /* so that we can show the error message */
1.68 cvs 617: }
618:
1.4 cvs 619: /*
1.74 cvs 620: ** By returning HT_ERROR we make sure that this is the last handler to be
621: ** called. We do this as we don't want any other filter to delete the
622: ** request object now when we have just started a new one ourselves
623: */
1.4 cvs 624: return HT_ERROR;
625: }
626:
1.5 cvs 627: /*----------------------------------------------------------------------
1.17 cvs 628: terminate_handler
629: this function is registered to handle the result of the request
1.5 cvs 630: ----------------------------------------------------------------------*/
1.4 cvs 631: #if __STDC__
1.7 cvs 632: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 633: #else
634: static int terminate_handler (request, response, context, status)
635: HTRequest *request;
636: HTResponse *response;
637: void *context;
638: int status;
639: #endif
640: {
1.116 cvs 641: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
642: boolean error_flag;
643: char *content_type;
644:
645: if (!me)
646: return HT_OK; /* not an Amaya request */
647:
648: if (me->reqStatus == HT_END)
649: /* we have already processed this request! */
650: return HT_OK;
651:
652: /* if Amaya was killed, treat with this request as if it were
653: issued by a Stop button event */
654:
655: if (!AmayaIsAlive ())
1.80 cvs 656: me->reqStatus = HT_ABORT;
1.74 cvs 657:
1.77 cvs 658: if (status == HT_LOADED ||
659: status == HT_CREATED ||
1.79 cvs 660: status == HT_NO_DATA ||
1.116 cvs 661: #ifdef AMAYA_WWW_CACHE
662: /* what status to use to know we're downloading from a cache? */
663: status == HT_NOT_MODIFIED ||
664: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 665: me->reqStatus == HT_ABORT)
1.74 cvs 666: error_flag = FALSE;
1.13 cvs 667: else
1.74 cvs 668: error_flag = TRUE;
669:
1.4 cvs 670: /* output any errors from the server */
1.74 cvs 671:
1.77 cvs 672: /*
1.74 cvs 673: ** me->output = output file which will receive an html file
674: ** me->error_html = yes, output HTML errors in the screen
675: ** request->error_stack == if there are any errors, they will be here
676: ** me->error_stream_size If it's != 0 means an error message has already
677: ** been written to the stack
678: */
679:
1.4 cvs 680: /* First, we verify if there are any errors and if they are not
1.17 cvs 681: ** yet written to the error stack. If no, then let's try to write them
682: ** ourselves
683: */
1.74 cvs 684:
685: #ifdef DEBUG_LIBWWW
686: fprintf (stderr, "terminate_handler: URL is "
687: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
688: status);
1.69 cvs 689: #endif
1.74 cvs 690:
1.69 cvs 691: if (me->output && me->output != stdout)
692: {
1.74 cvs 693: /* we are writing to a file */
694: if (me->reqStatus != HT_ABORT)
695: { /* if the request was not aborted and */
1.80 cvs 696: if (error_flag &&
697: me->error_html == TRUE)
698: /* there were some errors and we want to print them */
699: {
700: if (me->error_stream_size == 0)/* and the stream is empty */
701: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 702: **the error stack
1.77 cvs 703: ** into the error stream */
1.80 cvs 704: if (me->error_stream)
705: { /* if the stream is non-empty */
706: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 707: /* Clear the error context, so that we can deal with
708: this answer as if it were a normal reply */
709: HTError_deleteAll( HTRequest_error (request));
710: HTRequest_setError (request, NULL);
711: error_flag = 0;
1.74 cvs 712: }
713: } /* if error_stack */
1.85 cvs 714: }
715:
716: /* if != HT_ABORT */
717:
718: #ifdef DEBUG_LIBWWW
719: fprintf (stderr, "terminate_handler: URL is %s, closing "
720: "FILE %p\n", me->urlName, me->output);
721: #endif
1.74 cvs 722: fclose (me->output);
723: me->output = NULL;
1.69 cvs 724: }
1.80 cvs 725:
726: if (error_flag)
727: me->reqStatus = HT_ERR;
728: else if (me->reqStatus != HT_ABORT)
729: me->reqStatus = HT_END;
1.116 cvs 730:
731: /* copy the content_type */
732: content_type = request->anchor->content_type->name;
1.114 cvs 733: if (content_type && content_type [0] != EOS)
1.88 cvs 734: {
1.114 cvs 735: /* libwww gives www/unknown when it gets an error. As this is
736: an HTML test, we force the type to text/html */
737: if (!strcmp (content_type, "www/unknown"))
738: me->content_type = TtaStrdup ("text/html");
739: else
740: me->content_type = TtaStrdup (content_type);
741:
742: /* Content-Type can be specified by an httpd server's admin. To be on
743: the safe side, we normalize its case */
744: ConvertToLowerCase (me->content_type);
745:
1.88 cvs 746: #ifdef DEBUG_LIBWWW
747: fprintf (stderr, "content type is: %s\n", me->content_type);
748: #endif /* DEBUG_LIBWWW */
1.114 cvs 749: }
750:
1.115 cvs 751: /* to avoid a hangup while downloading css files */
752: if (AmayaAlive && (me->mode & AMAYA_LOAD_CSS))
1.116 cvs 753: TtaSetStatus (me->docid, 1,
754: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
755: me->status_urlName);
756:
757: /* don't remove or Xt will hang up during the PUT */
758: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
759: (me->method == METHOD_PUT)))
1.7 cvs 760: {
1.80 cvs 761: PrintTerminateStatus (me, status);
1.116 cvs 762:
1.80 cvs 763: }
1.114 cvs 764:
1.111 cvs 765: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 766:
1.111 cvs 767: return HT_OK;
1.4 cvs 768: }
769:
1.5 cvs 770: /*----------------------------------------------------------------------
1.17 cvs 771: AHTLoadTerminate_handler
1.74 cvs 772: this is an application "AFTER" Callback. It's called by the library
773: when a request has ended, so that we can setup the correct status.
1.5 cvs 774: ----------------------------------------------------------------------*/
1.4 cvs 775:
776: #ifdef __STDC__
1.111 cvs 777: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 778: #else
1.111 cvs 779: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 780: HTRequest *request;
781: HTResponse *response;
782: void *param;
783: int status;
1.69 cvs 784:
1.4 cvs 785: #endif
786: {
1.116 cvs 787:
788: /** @@@@ use this with printstatus ?? */
789:
1.4 cvs 790: AHTReqContext *me = HTRequest_context (request);
791: HTAlertCallback *cbf;
792: AHTDocId_Status *docid_status;
793:
1.7 cvs 794: switch (status)
1.116 cvs 795: {
796: case HT_LOADED:
797: if (PROT_TRACE)
798: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
799: me->status_urlName);
1.4 cvs 800:
1.116 cvs 801: docid_status = GetDocIdStatus (me->docid,
802: Amaya->docid_status);
1.7 cvs 803:
1.116 cvs 804: if (docid_status != NULL && docid_status->counter > 1)
805: TtaSetStatus (me->docid, 1,
806: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.74 cvs 807: me->status_urlName);
1.7 cvs 808: break;
1.116 cvs 809:
810: case HT_NO_DATA:
811: if (PROT_TRACE)
812: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
813: me->status_urlName);
814: TtaSetStatus (me->docid, 1,
815: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
816: me->status_urlName);
817: break;
818:
819: case HT_INTERRUPTED:
820: if (PROT_TRACE)
821: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
822: me->status_urlName);
823: TtaSetStatus (me->docid, 1,
824: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
825: NULL);
826: break;
1.7 cvs 827:
1.116 cvs 828: case HT_RETRY:
829: if (PROT_TRACE)
830: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
831: HTResponse_retryTime (response));
832: TtaSetStatus (me->docid, 1,
833: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
834: me->status_urlName);
835: break;
1.7 cvs 836:
1.116 cvs 837: case HT_ERROR:
838: cbf = HTAlert_find (HT_A_MESSAGE);
839: if (cbf)
840: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
841: HTRequest_error (request), NULL);
842: break;
843:
844: if (PROT_TRACE)
845: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
846: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
847: TtaSetStatus (me->docid, 1,
848: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
849: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
850: break;
851: default:
852: if (PROT_TRACE)
853: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
854: break;
855: }
856:
857: return HT_OK;
858: }
1.7 cvs 859:
1.116 cvs 860: #ifdef DEBUG_LIBWWW
861: static int LineTrace (const char * fmt, va_list pArgs)
862: {
863: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 864: }
1.116 cvs 865: #endif DEBUG_LIBWWW
1.4 cvs 866:
1.27 cvs 867: /*----------------------------------------------------------------------
868: AHTAcceptTypesInit
1.74 cvs 869: This function prepares the Accept header used by Amaya during
870: the HTTP content negotiation phase
1.27 cvs 871: ----------------------------------------------------------------------*/
872: #ifdef __STDC__
873: static void AHTAcceptTypesInit (HTList *c)
874: #else /* __STDC__ */
875: static void AHTAcceptTypesInit (c)
876: HTList *c;
877: #endif /* __STDC__ */
878: {
879: if (c == (HTList *) NULL)
880: return;
881:
882: /* define here all the mime types that Amaya can accept */
883:
1.74 cvs 884: HTConversion_add (c, "image/png", "www/present",
885: HTThroughLine, 1.0, 0.0, 0.0);
886: HTConversion_add (c, "image/jpeg", "www/present",
887: HTThroughLine, 1.0, 0.0, 0.0);
888: HTConversion_add (c, "image/gif", "www/present",
889: HTThroughLine, 1.0, 0.0, 0.0);
890: HTConversion_add (c, "image/xbm", "www/present",
891: HTThroughLine, 1.0, 0.0, 0.0);
892: HTConversion_add (c, "image/xpm", "www/present",
893: HTThroughLine, 1.0, 0.0, 0.0);
894: HTConversion_add (c, "application/postscript",
895: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 896:
1.27 cvs 897: /* Define here the equivalences between MIME types and file extensions for
898: the types that Amaya can display */
899:
900: /* Register the default set of file suffix bindings */
901: HTFileInit ();
902:
903: /* Don't do any case distinction */
904: HTBind_caseSensitive (FALSE);
905: }
1.4 cvs 906:
1.5 cvs 907: /*----------------------------------------------------------------------
1.17 cvs 908: AHTConverterInit
909: Bindings between a source media type and a destination media type
910: (conversion).
1.5 cvs 911: ----------------------------------------------------------------------*/
1.15 cvs 912: #ifdef __STDC__
913: static void AHTConverterInit (HTList *c)
914: #else /* __STDC__ */
915: static void AHTConverterInit (c)
916: HTList *c;
917: #endif /* __STDC__ */
1.4 cvs 918: {
919:
920: /* Handler for custom http error messages */
1.7 cvs 921: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 922:
923: /*
924: ** These are converters that converts to something other than www/present,
925: ** that is not directly outputting someting to the user on the screen
926: */
927:
1.116 cvs 928: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert,
929: 1.0, 0.0, 0.0);
1.4 cvs 930: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
931: 1.0, 0.0, 0.0);
932: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
933: 1.0, 0.0, 0.0);
1.116 cvs 934: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue,
935: 1.0, 0.0, 0.0);
936: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial,
937: 1.0, 0.0, 0.0);
1.4 cvs 938: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
939: 1.0, 0.0, 0.0);
940: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
941: 1.0, 0.0, 0.0);
942:
943: /*
1.116 cvs 944: ** The following conversions are converting ASCII output from various
945: ** protocols to HTML objects.
946: */
1.4 cvs 947: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
948: 1.0, 0.0, 0.0);
949:
950: /*
1.116 cvs 951: ** We also register a special content type guess stream that can figure out
952: ** the content type by reading the first bytes of the stream
953: */
1.4 cvs 954: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
955: 1.0, 0.0, 0.0);
956:
1.116 cvs 957: #ifdef AMAYA_WWW_CACHE
1.4 cvs 958: /*
1.116 cvs 959: ** Register a persistent cache stream which can save an object to local
960: ** file
961: */
1.4 cvs 962: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
963: 1.0, 0.0, 0.0);
1.116 cvs 964: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend,
965: 1.0, 0.0, 0.0);
966: #endif AMAYA_WWW_CACHE
1.4 cvs 967:
968: /*
1.116 cvs 969: ** This dumps all other formats to local disk without any further
970: ** action taken
971: */
1.4 cvs 972: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
973: 0.3, 0.0, 0.0);
1.116 cvs 974:
1.4 cvs 975: }
976:
1.27 cvs 977:
1.15 cvs 978: /*----------------------------------------------------------------------
1.17 cvs 979: AHTProtocolInit
980: Registers all amaya supported protocols.
1.15 cvs 981: ----------------------------------------------------------------------*/
1.4 cvs 982: static void AHTProtocolInit (void)
983: {
1.116 cvs 984: char *strptr;
1.4 cvs 985:
1.116 cvs 986: /*
987: NB. Preemptive == YES means Blocking requests
988: Non-preemptive == NO means Non-blocking requests
989: */
990: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
991: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
992: HTBufferWriter_new);
993: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
994: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
995: #ifdef AMAYA_WWW_CACHE
996: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
997: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 998: #if 0 /* experimental code */
1.116 cvs 999: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1000: #endif
1.116 cvs 1001:
1002: /* initialize pipelining */
1.121 cvs 1003: strptr = (char *) TtaGetEnvString ("ENABLE_PIPELINING");
1.116 cvs 1004: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1005: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1006: }
1007:
1.15 cvs 1008: /*----------------------------------------------------------------------
1.17 cvs 1009: AHTNetInit
1010: Reegisters "before" and "after" request filters.
1.15 cvs 1011: ----------------------------------------------------------------------*/
1.4 cvs 1012: static void AHTNetInit (void)
1013: {
1014:
1015: /* Register BEFORE filters
1.74 cvs 1016: ** The BEFORE filters handle proxies, caches, rule files etc.
1017: ** The filters are called in the order by which the are registered
1018: ** Not done automaticly - may be done by application!
1019: */
1.4 cvs 1020:
1.116 cvs 1021: #ifdef AMAYA_WWW_CACHE
1022: HTNet_addBefore (HTCacheFilter, "http://*", NULL, HT_FILTER_MIDDLE);
1023: #endif /* AMAYA_WWW_CACHE */
1024: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1025: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1026: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1027:
1028: /* register AFTER filters
1.74 cvs 1029: ** The AFTER filters handle error messages, logging, redirection,
1030: ** authentication etc.
1031: ** The filters are called in the order by which the are registered
1032: ** Not done automaticly - may be done by application!
1033: */
1.4 cvs 1034:
1.116 cvs 1035: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
1036: HT_FILTER_MIDDLE);
1037: HTNet_addAfter(HTAuthFilter, "http://*", NULL, HT_REAUTH,
1038: HT_FILTER_MIDDLE);
1039: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
1040: HT_FILTER_MIDDLE);
1041: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND,
1042: HT_FILTER_MIDDLE);
1043: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER,
1044: HT_FILTER_MIDDLE);
1045: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
1046: HT_FILTER_MIDDLE);
1047: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
1048: HT_FILTER_MIDDLE);
1049: #ifdef AMAYA_WWW_CACHE
1050: HTNet_addAfter (HTCacheUpdateFilter, "http://*", NULL, HT_NOT_MODIFIED,
1051: HT_FILTER_MIDDLE);
1052: #endif /* AMAYA_WWW_CACHE */
1.111 cvs 1053: #ifndef _WINDOWS
1.116 cvs 1054: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL,
1055: HT_FILTER_LAST);
1.111 cvs 1056: #endif /* !_WINDOWS */
1.116 cvs 1057: /**** for later ?? ****/
1058: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1059: /* handles all errors */
1.116 cvs 1060: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1061: }
1062:
1.15 cvs 1063: /*----------------------------------------------------------------------
1.17 cvs 1064: AHTAlertInit
1065: Register alert messages and their callbacks.
1.15 cvs 1066: ----------------------------------------------------------------------*/
1067: #ifdef __STDC__
1068: static void AHTAlertInit (void)
1069: #else
1070: static void AHTAlertInit ()
1071: #endif
1072: {
1073: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1074: #ifdef __WINDOWS
1.70 cvs 1075: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1076: #endif /* _WINDOWS */
1.15 cvs 1077: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1078: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1079: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1080: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1081: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1082: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1083: #ifdef AMAYA_WWW_CACHE
1.117 cvs 1084: /***
1085: HTAlert_add (AHTConfirm, HT_MSG_CACHE_LOCK);
1086: ***/
1.116 cvs 1087: #endif /* AMAYA_WWW_CACHE */
1088: }
1089:
1.120 cvs 1090: #ifndef _WINDOWS
1091: /* @@@ needs specific win functions */
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 */
1.120 cvs 1159: #endif /* !_WINDOWS */
1.118 cvs 1160:
1.116 cvs 1161: /*----------------------------------------------------------------------
1162: CacheInit
1163: Reads the cache settings from the thot.ini file.
1164: ----------------------------------------------------------------------*/
1.118 cvs 1165: #ifdef __STDC__
1.116 cvs 1166: static void CacheInit (void)
1.118 cvs 1167: #else
1168: static void Cacheinit ()
1169: #endif
1170:
1.116 cvs 1171: {
1172: #ifndef AMAYA_WWW_CACHE
1173: HTCacheMode_setEnabled (NO);
1174:
1175: #else /* AMAYA_WWW_CACHE */
1176: char *strptr;
1177: int cache_size;
1178: char *cache_dir = NULL;
1179: boolean cache;
1180:
1181: /* activate cache? */
1182: strptr = (char *) TtaGetEnvString ("ENABLE_CACHE");
1183: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1184: cache = NO;
1185: else
1186: cache = YES;
1187:
1188: /* get the cache dir (or use a default one) */
1189: strptr = (char *) TtaGetEnvString ("CACHE_DIR");
1190: if (strptr && *strptr)
1191: {
1192: cache_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 1);
1193: strcpy (cache_dir, strptr);
1194: }
1195: else
1196: {
1.122 ! cvs 1197: cache_dir = TtaGetMemory (strlen (TempFileDirectory)
1.116 cvs 1198: + strlen (CACHE_DIR_NAME) + 1);
1.122 ! cvs 1199: strcpy (cache_dir, TempFileDirectory);
1.116 cvs 1200: }
1201: strcat (cache_dir, CACHE_DIR_NAME);
1202:
1203: /* get the cache size (or use a default one) */
1204: strptr = (char *) TtaGetEnvString ("CACHE_SIZE");
1205: if (strptr && *strptr)
1206: cache_size = atoi (strptr);
1207: else
1208: cache_size = DEFAULT_CACHE_SIZE;
1209:
1210: if (cache)
1211: {
1212: /* how to remove the lock? force remove it? */
1213: /* @@@ugly hack to remove the .lock file ... */
1214: /* we would need something to remove the index, clear
1215: the directory, etc. attention to dir-sep */
1216: strptr = TtaGetMemory (strlen (cache_dir) + 20);
1217: strcpy (strptr, cache_dir);
1218: #ifndef _WINDOWS
1219: strcat (strptr, "/.lock");
1220: #else
1221: strcat (strptr, "\.lock");
1222: #endif /* !_WINDOWS */
1223: if (TtaFileExist (strptr))
1224: {
1225: /* remove the lock and clean the cache (the clean cache will remove
1226: all, making the following call unnecessary */
1.118 cvs 1227: strcpy (strptr, cache_dir);
1228: /* @@@ add DIRSEP */
1229: strcat (strptr, "/");
1.120 cvs 1230: #ifndef _WINDOWS
1.118 cvs 1231: CleanCache (strptr);
1.120 cvs 1232: #endif /* !_WINDOWS */
1.116 cvs 1233: }
1234: TtaFreeMemory (strptr);
1235:
1236: /* store this in our libwww context */
1237: HTCacheInit (cache_dir, cache_size);
1238: HTCacheMode_setExpires(HT_EXPIRES_AUTO);
1239: }
1240: else
1241: HTCacheMode_setEnabled (NO);
1242:
1243: if (cache_dir)
1244: TtaFreeMemory (cache_dir);
1245: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1246: }
1247:
1248: /*----------------------------------------------------------------------
1.97 cvs 1249: ProxyInit
1250: Reads any proxies settings which may be declared as environmental
1251: variables or in the thot.ini file. The former overrides the latter.
1252: ----------------------------------------------------------------------*/
1.118 cvs 1253: #ifdef __STDC__
1.97 cvs 1254: static void ProxyInit (void)
1.118 cvs 1255: #else
1256: static void ProxyInit ()
1257: #endif /* __STDC__ */
1.97 cvs 1258: {
1259: char *strptr;
1260: char *str = NULL;
1261: char *name;
1262:
1263: /* get the proxy settings from the thot.ini file */
1264: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1265: if (strptr && *strptr)
1266: HTProxy_add ("http", strptr);
1267: /* get the no_proxy settings from the thot.ini file */
1268: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1269: if (strptr && *strptr)
1270: {
1271: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1272: strptr = str;
1273: while ((name = HTNextField (&strptr)) != NULL) {
1274: char *portstr = strchr (name, ':');
1275: unsigned port=0;
1276: if (portstr) {
1277: *portstr++ = '\0';
1.116 cvs 1278: if (*portstr) port = (unsigned) atoi (portstr);
1.97 cvs 1279: }
1280: /* Register it for all access methods */
1281: HTNoProxy_add (name, NULL, port);
1282: }
1283: TtaFreeMemory (str);
1284: }
1285:
1286: /* use libw3's routine to get all proxy settings from the environment */
1287: HTProxy_getEnvVar ();
1288: }
1289:
1290:
1291: /*----------------------------------------------------------------------
1.17 cvs 1292: AHTProfile_newAmaya
1293: creates the Amaya client profile for libwww.
1.15 cvs 1294: ----------------------------------------------------------------------*/
1295: #ifdef __STDC__
1296: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1297: #else /* __STDC__ */
1298: static void AHTProfile_newAmaya (AppName, AppVersion)
1299: char *AppName;
1300: char *AppVersion;
1301: #endif /* __STDC__ */
1.4 cvs 1302: {
1303: /* If the Library is not already initialized then do it */
1304: if (!HTLib_isInitialized ())
1305: HTLibInit (AppName, AppVersion);
1306:
1307: if (!converters)
1308: converters = HTList_new ();
1.27 cvs 1309: if (!acceptTypes)
1310: acceptTypes = HTList_new ();
1.4 cvs 1311: if (!encodings)
1312: encodings = HTList_new ();
1313:
1314: /* Register the default set of transport protocols */
1315: HTTransportInit ();
1316:
1317: /* Register the default set of application protocol modules */
1318: AHTProtocolInit ();
1319:
1.116 cvs 1320: /* Register the default set of messages and dialog functions */
1321: AHTAlertInit ();
1322: HTAlert_setInteractive (YES);
1323:
1324: #ifdef AMAYA_WWW_CACHE
1325: /* Enable the persistent cache */
1326: CacheInit ();
1327: #else
1328: HTCacheMode_setEnabled (NO);
1329: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 1330:
1331: /* Register the default set of BEFORE and AFTER filters */
1332: AHTNetInit ();
1333:
1334: /* Set up the default set of Authentication schemes */
1335: HTAAInit ();
1336:
1.97 cvs 1337: /* Get any proxy settings */
1338: ProxyInit ();
1.4 cvs 1339:
1340: /* Register the default set of converters */
1341: AHTConverterInit (converters);
1.27 cvs 1342: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1343: HTFormat_setConversion (converters);
1344:
1345: /* Register the default set of transfer encoders and decoders */
1.116 cvs 1346: HTTransferEncoderInit (encodings); /* chunks ??? */
1.4 cvs 1347: HTFormat_setTransferCoding (encodings);
1348:
1349: /* Register the default set of MIME header parsers */
1.74 cvs 1350: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1351:
1352: /* Register the default set of Icons for directory listings */
1.27 cvs 1353: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1354:
1355: }
1356:
1.5 cvs 1357: /*----------------------------------------------------------------------
1.17 cvs 1358: AHTProfile_delete
1359: deletes the Amaya client profile.
1.5 cvs 1360: ----------------------------------------------------------------------*/
1.4 cvs 1361: #ifdef __STDC__
1362: static void AHTProfile_delete (void)
1363: #else
1364: static void AHTProfile_delete ()
1.7 cvs 1365: #endif /* __STDC__ */
1.4 cvs 1366: {
1.22 cvs 1367:
1368: /* free the Amaya global context */
1.74 cvs 1369: if (!converters)
1370: HTConversion_deleteAll (converters);
1371: if (!acceptTypes)
1372: HTConversion_deleteAll (acceptTypes);
1373: if (!encodings)
1374: HTCoding_deleteAll (encodings);
1375:
1376: HTList_delete (Amaya->docid_status);
1377: HTList_delete (Amaya->reqlist);
1378: TtaFreeMemory (Amaya);
1379: {
1.61 cvs 1380:
1.74 cvs 1381: if (HTLib_isInitialized ())
1382:
1.120 cvs 1383: #ifdef _WINDOWS
1.61 cvs 1384: HTEventTerminate ();
1.120 cvs 1385: #endif _WINDOWS;
1.74 cvs 1386:
1387: /* Clean up the persistent cache (if any) */
1.116 cvs 1388: #ifdef AMAYA_WWW_CACHE
1389: HTCacheTerminate ();
1390: #endif /* AMAYA_WWW_CACHE */
1.74 cvs 1391:
1392: /* Clean up all the global preferences */
1393: HTFormat_deleteAll ();
1394:
1395: /* Terminate libwww */
1396: HTLibTerminate ();
1397: }
1.4 cvs 1398: }
1399:
1.5 cvs 1400: /*----------------------------------------------------------------------
1.116 cvs 1401: AmayacontextInit
1402: initializes an internal Amaya context for our libwww interface
1403: ----------------------------------------------------------------------*/
1404: #ifdef __STDC__
1405: static void AmayaContextInit ()
1406: #else
1407: static void AmayaContextInit ()
1408: #endif
1409:
1410: {
1411: AmayaAlive = TRUE;
1412: /* Initialization of the global context */
1413: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1414: Amaya->reqlist = HTList_new ();
1415: Amaya->docid_status = HTList_new ();
1416: Amaya->open_requests = 0;
1417: }
1418:
1419: /*----------------------------------------------------------------------
1.17 cvs 1420: QueryInit
1421: initializes the libwww interface
1.5 cvs 1422: ----------------------------------------------------------------------*/
1.4 cvs 1423: #ifdef __STDC__
1424: void QueryInit ()
1425: #else
1426: void QueryInit ()
1427: #endif
1428: {
1429:
1.116 cvs 1430: AmayaContextInit ();
1431:
1.4 cvs 1432: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.116 cvs 1433:
1.69 cvs 1434: /* New AHTBridge stuff */
1.4 cvs 1435:
1.116 cvs 1436: #ifdef _WINDOWS
1.120 cvs 1437: /*** AHTEventInit (); this was the call to my AHTEvent module HTEvtLst today***/
1438: HTEventInit;
1.116 cvs 1439: #endif /* _WINDOWS */
1.72 cvs 1440:
1.116 cvs 1441: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
1442: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.4 cvs 1443:
1.116 cvs 1444: #ifndef _WINDOWS
1.120 cvs 1445: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
1446: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 1447: #endif /* !_WINDOWS */
1448:
1449: #ifdef AMAYA_WWW_CACHE
1450: /***
1451: WWW_TraceFlag = CACHE_TRACE;
1452: ***/
1453: #endif
1.72 cvs 1454:
1.74 cvs 1455: #ifdef DEBUG_LIBWWW
1.116 cvs 1456: /* forwards error messages to our own function */
1457: WWW_TraceFlag = THD_TRACE;
1458: HTTrace_setCallback(LineTrace);
1.74 cvs 1459: #endif
1.4 cvs 1460:
1461: /* Trace activation (for debugging) */
1.7 cvs 1462: /*
1.116 cvs 1463: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1464:
1.4 cvs 1465: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1466: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1467: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1468: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1469: SHOW_CORE_TRACE;
1470:
1.7 cvs 1471: */
1.4 cvs 1472:
1473: /***
1474: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1475: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1476: ***/
1477:
1478: /* Setting up other user interfaces */
1479:
1480: /* Setting up different network parameters */
1.17 cvs 1481: /* Maximum number of simultaneous open sockets */
1.4 cvs 1482: HTNet_setMaxSocket (8);
1.75 cvs 1483: /* different network services timeouts */
1.109 cvs 1484: HTDNS_setTimeout (60);
1.120 cvs 1485: #ifdef __WINDOWS
1.75 cvs 1486: /* under windows, the libwww persistent socket handling has
1487: ** some bugs. The following line inhibits idle socket reusal.
1488: ** this is a bit slower, but avoids crashes and gives us time
1489: ** to distribute Amaya before having to patch up libwww.
1490: */
1.76 cvs 1491: HTHost_setPersistTimeout (-1L);
1.75 cvs 1492: #else
1.76 cvs 1493: HTHost_setPersistTimeout (60L);
1.75 cvs 1494: #endif /* _WINDOWS */
1.116 cvs 1495: HTHost_setEventTimeout (1000);
1.75 cvs 1496:
1.4 cvs 1497: #ifdef CATCH_SIG
1.18 cvs 1498: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1499: #endif
1.15 cvs 1500: }
1501:
1.69 cvs 1502: #ifndef _WINDOWS
1.15 cvs 1503: /*----------------------------------------------------------------------
1.17 cvs 1504: LoopForStop
1505: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1506: Not useful for windows code (Ramzi).
1.15 cvs 1507: ----------------------------------------------------------------------*/
1508: #ifdef __STDC__
1509: static int LoopForStop (AHTReqContext * me)
1510: #else
1511: static int LoopForStop (AHTReqContext * me)
1512: #endif
1513: {
1514:
1.25 cvs 1515: extern ThotAppContext app_cont;
1.51 cvs 1516: XEvent ev;
1517: XtInputMask status;
1.17 cvs 1518: int status_req = HT_OK;
1.15 cvs 1519:
1520: /* to test the async calls */
1.17 cvs 1521: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1522: while (me->reqStatus != HT_ABORT &&
1523: me->reqStatus != HT_END &&
1.69 cvs 1524: me->reqStatus != HT_ERR) {
1.116 cvs 1525: if (!AmayaIsAlive ())
1.69 cvs 1526: /* Amaya was killed by one of the callback handlers */
1527: exit (0);
1528:
1529: status = XtAppPending (app_cont);
1530: if (status & XtIMXEvent) {
1531: XtAppNextEvent (app_cont, &ev);
1532: TtaHandleOneEvent (&ev);
1533: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1534: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1535: } else {
1536: XtAppNextEvent (app_cont, &ev);
1537: TtaHandleOneEvent (&ev);
1538: }
1539: }
1.4 cvs 1540:
1.69 cvs 1541: switch (me->reqStatus) {
1542: case HT_ERR:
1543: case HT_ABORT:
1.15 cvs 1544: status_req = HT_ERROR;
1545: break;
1546:
1.69 cvs 1547: case HT_END:
1.15 cvs 1548: status_req = HT_OK;
1549: break;
1550:
1.69 cvs 1551: default:
1.15 cvs 1552: break;
1.69 cvs 1553: }
1.15 cvs 1554: return (status_req);
1.4 cvs 1555: }
1.69 cvs 1556: #endif /* _WINDOWS */
1.4 cvs 1557:
1.5 cvs 1558: /*----------------------------------------------------------------------
1.15 cvs 1559: QueryClose
1.21 cvs 1560: closes all existing threads, frees all non-automatically deallocated
1561: memory and then ends libwww.
1.5 cvs 1562: ----------------------------------------------------------------------*/
1.116 cvs 1563: void QueryClose ()
1.4 cvs 1564: {
1.24 cvs 1565:
1.116 cvs 1566: AmayaAlive = FALSE;
1.24 cvs 1567:
1.116 cvs 1568: /* remove all the handlers and callbacks that may output a message to
1569: a non-existent Amaya window */
1.21 cvs 1570:
1.116 cvs 1571: HTNet_deleteAfter (AHTLoadTerminate_handler);
1572: HTNet_deleteAfter (redirection_handler);
1573: HTAlertCall_deleteAll (HTAlert_global () );
1574: HTAlert_setGlobal ((HTList *) NULL);
1575: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1576: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1577: #ifndef _WINDOWS
1578: /** need to erase all existing timers too **/
1579: HTTimer_registerSetTimerCallback (NULL);
1580: HTTimer_registerDeleteTimerCallback (NULL);
1581: #endif /* !_WINDOWS */
1582: HTHost_setActivateRequestCallback (NULL);
1583: Thread_deleteAll ();
1.21 cvs 1584:
1.116 cvs 1585: HTProxy_deleteAll ();
1586: HTNoProxy_deleteAll ();
1587: HTGateway_deleteAll ();
1588: AHTProfile_delete ();
1589: }
1590:
1591: /*----------------------------------------------------------------------
1592: NextNameValue
1593: ---------------------------------------------------------------------*/
1594: #ifdef __STDC__
1595: static char * NextNameValue (char ** pstr, char **name, char **value)
1596: #else
1597: static char * NextNameValue (pstr, name, value);
1598: char ** pstr;
1599: char **name;
1600: char **value;
1601: #endif /* __STDC__ */
1602: {
1603: char * p = *pstr;
1604: char * start = NULL;
1605: if (!pstr || !*pstr) return NULL;
1606:
1607: if (!*p) {
1608: *pstr = p;
1609: *name = NULL;
1610: *value = NULL;
1611: return NULL; /* No field */
1612: }
1613:
1614: /* Now search for the next '&' and ';' delimitators */
1615: start = p;
1616: while (*p && *p != '&' && *p != ';') p++;
1617: if (*p)
1618: *p++ = '\0';
1619: *pstr = p;
1620:
1621: /* Search for the name and value */
1622: *name = start;
1623: p = start;
1624:
1625: while(*p && *p != '=')
1626: p++;
1627: if (*p)
1628: *p++ = '\0';
1629: *value = p;
1630:
1631: return start;
1632: }
1633:
1634: /*----------------------------------------------------------------------
1635: PrepareFormdata
1636: ---------------------------------------------------------------------*/
1637: #ifdef __STDC__
1638: static HTAssocList * PrepareFormdata (char *string)
1639: #else
1640: static HTAssocList * PrepareFormdata (string)
1641: char *string;
1642: #endif /* __STDC__ */
1643: {
1644: char * tmp_string, * tmp_string_ptr;
1645: char * name;
1646: char * value;
1647: HTAssocList * formdata;
1648:
1649: if (!string)
1650: return NULL;
1651:
1652: /* store the ptr in another variable, as the original address will
1653: change
1654: */
1655:
1656: tmp_string_ptr = tmp_string = TtaStrdup (string);
1657: formdata = HTAssocList_new();
1658:
1659: while (*tmp_string)
1660: {
1661: NextNameValue (&tmp_string, &name, &value);
1662: HTAssocList_addObject(formdata,
1663: name, value);
1664: }
1665:
1666: TtaFreeMemory (tmp_string_ptr);
1667: return formdata;
1.4 cvs 1668: }
1669:
1.99 cvs 1670:
1671: /*----------------------------------------------------------------------
1672: InvokeGetObjectWWW_callback
1673: A simple function to invoke a callback function whenever there's an error
1674: in GetObjectWWW
1675: ---------------------------------------------------------------------*/
1676:
1.116 cvs 1677: #ifdef __STDC__
1678: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 1679: #else
1.111 cvs 1680: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 1681: int docid;
1682: char *urlName;
1683: char *outputfile;
1684: TTcbf *terminate_cbf;
1685: void *context_tcbf;
1.116 cvs 1686: #endif /* __STDC__ */
1.99 cvs 1687: {
1688: if (!terminate_cbf)
1689: return;
1690:
1.116 cvs 1691: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 1692: NULL, context_tcbf);
1693: }
1694:
1695:
1696:
1.5 cvs 1697: /*----------------------------------------------------------------------
1.15 cvs 1698: GetObjectWWW
1.17 cvs 1699: this function requests a resource designated by a URLname into a
1700: temporary filename. The download can come from a simple GET operation,
1701: or can come from POSTING/GETTING a form. In the latter
1702: case, the function receives a query string to send to the server.
1703:
1.5 cvs 1704: 4 file retrieval modes are proposed:
1705: AMAYA_SYNC : blocking mode
1706: AMAYA_ISYNC : incremental, blocking mode
1707: AMAYA_ASYNC : non-blocking mode
1708: AMAYA_IASYNC : incremental, non-blocking mode
1709:
1710: In the incremental mode, each time a package arrives, it will be
1711: stored in the temporary file. In addition, if an
1712: incremental_callback function is defined, this function will be
1713: called and handled a copy of the newly received data package.
1714: Finally, if a terminate_callback function is defined, it will be
1715: invoked when the request terminates. The caller of this function
1.4 cvs 1716: can define two different contexts to be passed to the callback
1717: functions.
1718:
1719: When the function is called with the SYNC mode, the function will
1720: return only when the requested file has been loaded.
1721: The ASYNC mode will immediately return after setting up the
1722: call.
1723:
1724: Notes:
1725: At the end of a succesful request, the urlName string contains the
1726: name of the actually retrieved URL. As a URL can change over the time,
1727: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1728: caller verify the value of the urlName variable at the end of
1.4 cvs 1729: a request.
1730:
1731: Inputs:
1732: - docid Document identifier for the set of objects being
1733: retrieved.
1734: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1735: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1736: - mode The retrieval mode.
1737: - incremental_cbf
1738: - context_icbf
1739: Callback and context for the incremental modes
1740: - terminate_cbf
1741: - context_icbf
1742: Callback and context for a terminate handler
1.17 cvs 1743: -error_html if TRUE, then display any server error message as an
1744: HTML document.
1.88 cvs 1745: - content_type a string
1746:
1.4 cvs 1747: Outputs:
1748: - urlName The URL that was retrieved
1749: - outputfile The name of the temporary file which holds the
1750: retrieved data. (Only in case of success)
1.88 cvs 1751: - if content_type wasn't NULL, it will contain a copy of the parameter
1752: sent in the HTTP answer
1.4 cvs 1753: Returns:
1754: HT_ERROR
1755: HT_OK
1.5 cvs 1756:
1757: ----------------------------------------------------------------------*/
1.4 cvs 1758: #ifdef __STDC__
1.116 cvs 1759: int GetObjectWWW (int docid, char* urlName, char* postString,
1760: char* outputfile, int mode, TIcbf* incremental_cbf,
1761: void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 1762: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1763: #else
1.116 cvs 1764: int GetObjectWWW (docid, urlName, postString, outputfile, mode,
1765: incremental_cbf, context_icbf,
1.88 cvs 1766: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1767: int docid;
1768: char *urlName;
1769: char *postString;
1770: char *outputfile;
1771: int mode;
1772: TIcbf *incremental_cbf;
1773: void *context_icbf;
1774: TTcbf *terminate_cbf;
1775: void *context_tcbf;
1776: boolean error_html;
1.88 cvs 1777: char *content_type;
1.4 cvs 1778: #endif
1779: {
1780: AHTReqContext *me;
1781: char *ref;
1.107 cvs 1782: int status, l;
1.114 cvs 1783: int tempsubdir;
1.7 cvs 1784:
1.116 cvs 1785: if (urlName == NULL || docid == 0 || outputfile == NULL)
1786: {
1787: /* no file to be loaded */
1788: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 1789:
1.116 cvs 1790: if (error_html)
1.69 cvs 1791: /* so we can show the error message */
1792: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 1793: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1794: context_tcbf, HT_ERROR);
1795: return HT_ERROR;
1796: }
1.7 cvs 1797:
1.4 cvs 1798: /* do we support this protocol? */
1.116 cvs 1799: if (IsValidProtocol (urlName) == NO)
1800: {
1801: /* return error */
1802: outputfile[0] = EOS; /* file could not be opened */
1803: TtaSetStatus (docid, 1,
1804: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
1805: urlName);
1806:
1807: if (error_html)
1.69 cvs 1808: /* so we can show the error message */
1809: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 1810: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1811: context_tcbf, HT_ERROR);
1812: return HT_ERROR;
1813: }
1.4 cvs 1814:
1.114 cvs 1815: /* we store CSS in subdir named 0; all the other files go to a subidr
1816: named after their own docid */
1817:
1818: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
1819:
1.116 cvs 1820: /* create a tempfilename */
1821: sprintf (outputfile, "%s%c%d%c%04dAM",
1822: TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
1823: /* update the object_counter (used for the tempfilename) */
1.4 cvs 1824: object_counter++;
1.116 cvs 1825:
1.4 cvs 1826: /* normalize the URL */
1.45 cvs 1827: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1828: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1829: if (ref == (char*) NULL || ref[0] == EOS) {
1830: /*error */
1831: outputfile[0] = EOS;
1832: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1833:
1834: if (error_html)
1.116 cvs 1835: /* so we can show the error message */
1836: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 1837: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 1838: context_tcbf, HT_ERROR);
1.69 cvs 1839: return HT_ERROR;
1840: }
1.116 cvs 1841:
1.4 cvs 1842: /* verify if that file name existed */
1.9 cvs 1843: if (TtaFileExist (outputfile))
1.77 cvs 1844: TtaFileUnlink (outputfile);
1.116 cvs 1845:
1.4 cvs 1846: /* Initialize the request structure */
1847: me = AHTReqContext_new (docid);
1.116 cvs 1848: if (me == NULL)
1849: {
1850: outputfile[0] = EOS;
1851: /* need an error message here */
1852: TtaFreeMemory (ref);
1853: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1854: context_tcbf, HT_ERROR);
1855: return HT_ERROR;
1856: }
1857:
1.4 cvs 1858: /* Specific initializations for POST and GET */
1.116 cvs 1859: if (mode & AMAYA_FORM_POST)
1860: {
1861: me->method = METHOD_POST;
1862: if (postString)
1863: {
1864: me->mem_ptr = TtaStrdup (postString);
1865: me->block_size = strlen (postString);
1866: }
1867: HTRequest_setMethod (me->request, METHOD_POST);
1868: }
1869: else
1870: {
1871: me->method = METHOD_GET;
1872: if (!HasKnownFileSuffix (ref))
1873: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1874: }
1.93 cvs 1875:
1.116 cvs 1876: /* Common initialization for all HTML methods */
1.4 cvs 1877: me->mode = mode;
1878: me->error_html = error_html;
1879: me->incremental_cbf = incremental_cbf;
1880: me->context_icbf = context_icbf;
1881: me->terminate_cbf = terminate_cbf;
1882: me->context_tcbf = context_tcbf;
1.64 cvs 1883:
1.69 cvs 1884: /* for the async. request modes, we need to have our
1.4 cvs 1885: own copy of outputfile and urlname
1.116 cvs 1886: */
1.4 cvs 1887:
1.116 cvs 1888: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1889: {
1890: l = strlen (outputfile);
1891: if (l > MAX_LENGTH)
1892: me->outputfile = TtaGetMemory (l + 2);
1893: else
1894: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
1895: strcpy (me->outputfile, outputfile);
1896: l = strlen (urlName);
1897: if (l > MAX_LENGTH)
1898: me->urlName = TtaGetMemory (l + 2);
1899: else
1900: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
1901: strcpy (me->urlName, urlName);
1902: #ifdef _WINDOWS
1903: /* force windows ASYNC requests to always be non preemptive */
1904: HTRequest_setPreemptive (me->request, NO);
1905: #endif /*_WINDOWS */
1906: } /* AMAYA_ASYNC mode */
1907: else
1908: #ifdef _WINDOWS
1909: {
1910: me->outputfile = outputfile;
1911: me->urlName = urlName;
1912: /* force windows SYNC requests to always be non preemptive */
1913: HTRequest_setPreemptive (me->request, YES);
1914: }
1915: #else /* !_WINDOWS */
1916: {
1917: me->outputfile = outputfile;
1918: me->urlName = urlName;
1919: }
1920: /***
1.57 cvs 1921: Change for taking into account the stop button:
1922: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1923: we will loop until the document has been received or a stop signal
1924: generated
1.77 cvs 1925: ****/
1.116 cvs 1926: HTRequest_setPreemptive (me->request, NO);
1927: #endif /* _WINDOWS */
1.61 cvs 1928:
1929: /* prepare the URLname that will be displayed in teh status bar */
1930: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 1931: TtaSetStatus (me->docid, 1,
1932: TtaGetMessage (AMAYA, AM_FETCHING),
1933: me->status_urlName);
1.4 cvs 1934:
1935: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1936: TtaFreeMemory (ref);
1.4 cvs 1937:
1.114 cvs 1938: if (mode & AMAYA_NOCACHE)
1.116 cvs 1939: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1940:
1941: /* prepare the query string and format for POST */
1942: if (mode & AMAYA_FORM_POST)
1.114 cvs 1943: {
1.116 cvs 1944: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1945: HTAtom_for ("application/x-www-form-urlencoded"));
1946: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1947: HTRequest_setEntityAnchor (me->request, me->anchor);
1948: HTRequest_setEntityAnchor (me->request, me->anchor);
1949: me->formdata = PrepareFormdata (postString);
1950: }
1.114 cvs 1951:
1.116 cvs 1952: /* do the request */
1953: if (mode & AMAYA_FORM_POST)
1.119 cvs 1954: {
1955: /* this call doesn't give back a boolean */
1956: HTParentAnchor * posted = NULL;
1957:
1958: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
1959: me->request);
1960: status = posted ? YES : NO;
1961: }
1.116 cvs 1962: else
1.77 cvs 1963: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1964:
1.116 cvs 1965: /* control the errors */
1966: if (status != HT_OK
1967: && HTError_hasSeverity (HTRequest_error (me->request), ERR_NON_FATAL))
1968: status = HT_ERROR;
1.82 cvs 1969:
1.116 cvs 1970: /* test the effect of HTRequest_kill () */
1.85 cvs 1971:
1.116 cvs 1972: #if 0
1973: /** *this should go to term_d @@@@ */
1974: if (me->reqStatus == HT_CACHE)
1.93 cvs 1975: {
1.116 cvs 1976: AHTPrintPendingRequestStatus (me->docid, YES);
1977: /* free the memory allocated for async requests */
1978: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
1979: terminate_cbf, context_tcbf, HT_OK);
1980: AHTReqContext_delete (me);
1981: return HT_OK;
1.93 cvs 1982: }
1.116 cvs 1983: #endif
1.4 cvs 1984:
1.116 cvs 1985: if (status == HT_ERROR)
1986: /* the request invocation failed */
1987: {
1988: /* show an error message on the status bar */
1989: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1990: TtaSetStatus (docid, 1,
1991: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1992: urlName);
1993: if (me->reqStatus == HT_NEW)
1994: /* manually invoke the last processing that usually gets done
1995: in a succesful request */
1996: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
1997: terminate_cbf, context_tcbf, HT_ERROR);
1998: /* terminate_handler wasn't called */
1999: if (mode & AMAYA_SYNC || mode & AMAYA_ISYNC)
2000: AHTReqContext_delete (me);
2001: }
2002: else
2003: /* end treatment for SYNC requests */
1.120 cvs 2004: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2005: {
1.116 cvs 2006: #ifndef _WINDOWS
1.120 cvs 2007: /* part of the UNIX stop button handler */
2008: if (status != HT_ERROR)
2009: status = LoopForStop (me);
1.116 cvs 2010: #endif /* _!WINDOWS */
1.120 cvs 2011: /* @@@ this doesn't seem correct ... me->request may not exist ... */
2012: if (!HTRequest_kill (me->request))
2013: AHTReqContext_delete (me);
2014: }
2015: return (status);
1.4 cvs 2016: }
2017:
1.5 cvs 2018: /*----------------------------------------------------------------------
1.17 cvs 2019: PutObjectWWW
2020: frontend for uploading a resource to a URL. This function downloads
2021: a file to be uploaded into memory, it then calls UploadMemWWW to
2022: finish the job.
2023:
1.5 cvs 2024: 2 upload modes are proposed:
2025: AMAYA_SYNC : blocking mode
2026: AMAYA_ASYNC : non-blocking mode
2027:
1.4 cvs 2028: When the function is called with the SYNC mode, the function will
2029: return only when the file has been uploaded.
2030: The ASYNC mode will immediately return after setting up the
2031: call. Furthermore, at the end of an upload, the ASYNC mode will
2032: call back terminate_cbf, handling it the context defined in
2033: context_tcbf.
2034:
2035: Notes:
2036: At the end of a succesful request, the urlName string contains the
2037: name of the actually uploaded URL. As a URL can change over the time,
2038: (e.g., be redirected elsewhere), it is advised that the function
2039: caller verifies the value of the urlName variable at the end of
2040: a request.
2041:
2042: Inputs:
2043: - docid Document identifier for the set of objects being
2044: retrieved.
2045: - fileName A pointer to the local file to upload
2046: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
2047: - mode The retrieval mode.
2048: - terminate_cbf
2049: - context_icbf
2050: Callback and context for a terminate handler
2051:
2052: Outputs:
2053: - urlName The URL that was uploaded
2054:
2055: Returns:
2056: HT_ERROR
2057: HT_OK
1.5 cvs 2058: ----------------------------------------------------------------------*/
1.4 cvs 2059: #ifdef __STDC__
1.27 cvs 2060: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 2061: TTcbf * terminate_cbf, void *context_tcbf)
2062: #else
1.26 cvs 2063: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 2064: ,terminate_cbf, context_tcbf)
2065: int docid;
2066: char *urlName;
2067: char *fileName;
2068: int mode;
1.27 cvs 2069: PicType contentType;
1.4 cvs 2070: TTcbf *terminate_cbf;
2071: void *context_tcbf;
2072:
1.116 cvs 2073: #endif /* __STDC__ */
1.4 cvs 2074: {
1.116 cvs 2075: AHTReqContext *me;
1.4 cvs 2076: int status;
2077: int fd;
2078: struct stat file_stat;
1.116 cvs 2079: char *fileURL;
1.4 cvs 2080:
1.33 cvs 2081: AmayaLastHTTPErrorMsg [0] = EOS;
2082:
1.116 cvs 2083: if (urlName == NULL || docid == 0 || fileName == NULL
2084: || !TtaFileExist (fileName))
1.4 cvs 2085: /* no file to be uploaded */
2086: return HT_ERROR;
2087:
2088: /* do we support this protocol? */
1.7 cvs 2089: if (IsValidProtocol (urlName) == NO)
2090: {
2091: /* return error */
1.77 cvs 2092: TtaSetStatus (docid, 1,
2093: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 2094: urlName);
2095: return HT_ERROR;
2096: }
1.116 cvs 2097:
2098: /* verify the file's size */
2099: #ifndef _WINDOWS
1.7 cvs 2100: if ((fd = open (fileName, O_RDONLY)) == -1)
1.116 cvs 2101: #else
1.74 cvs 2102: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.116 cvs 2103: #endif /* _WINDOWS */
1.7 cvs 2104: {
2105: /* if we could not open the file, exit */
2106: /*error msg here */
2107: return (HT_ERROR);
2108: }
1.4 cvs 2109:
2110: fstat (fd, &file_stat);
1.116 cvs 2111: close (fd);
1.4 cvs 2112:
1.7 cvs 2113: if (file_stat.st_size == 0)
2114: {
2115: /* file was empty */
2116: /*errmsg here */
2117: return (HT_ERROR);
2118: }
1.116 cvs 2119:
2120: /* prepare the request context */
1.4 cvs 2121:
2122: if (THD_TRACE)
1.116 cvs 2123: fprintf (stderr, "file size == %u\n", (unsigned) file_stat.st_size);
1.4 cvs 2124:
2125: me = AHTReqContext_new (docid);
2126:
1.7 cvs 2127: if (me == NULL)
2128: {
2129: /* need an error message here */
2130: TtaHandlePendingEvents ();
2131: return (HT_ERROR);
2132: }
1.116 cvs 2133:
1.4 cvs 2134: me->mode = mode;
2135: me->incremental_cbf = (TIcbf *) NULL;
2136: me->context_icbf = (void *) NULL;
2137: me->terminate_cbf = terminate_cbf;
2138: me->context_tcbf = context_tcbf;
2139: me->urlName = urlName;
1.116 cvs 2140: me->block_size = file_stat.st_size;
1.17 cvs 2141: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 2142: me->method = METHOD_PUT;
2143: HTRequest_setMethod (me->request, METHOD_PUT);
2144: me->output = stdout;
1.17 cvs 2145: /* we are not expecting to receive any input from the server */
2146: me->outputfile = (char *) NULL;
1.4 cvs 2147:
1.116 cvs 2148: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
2149: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (fileURL);
2150: HT_FREE (fileURL);
1.114 cvs 2151:
1.28 cvs 2152: /* Set the Content-Type of the file we are uploading */
1.77 cvs 2153: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2154: AHTGuessAtom_for (me->urlName, contentType));
1.116 cvs 2155: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.17 cvs 2156:
1.4 cvs 2157: HTRequest_setEntityAnchor (me->request, me->anchor);
1.116 cvs 2158: #ifdef _WINDOWS
2159: HTRequest_setPreemptive (me->request, YES);
2160: #else
2161: HTRequest_setPreemptive (me->request, NO);
2162: #endif /* _WINDOWS */
2163:
2164: if (mode & AMAYA_NOCACHE)
2165: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2166:
1.74 cvs 2167: /* prepare the URLname that will be displayed in teh status bar */
2168: ChopURL (me->status_urlName, me->urlName);
2169: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
2170: me->status_urlName);
1.114 cvs 2171:
1.116 cvs 2172: status = HTPutDocumentAbsolute (me->anchor, urlName, me->request);
1.4 cvs 2173:
1.116 cvs 2174: if (status != HT_ERROR && me->reqStatus != HT_ERR)
1.7 cvs 2175: {
2176: /* part of the stop button handler */
2177: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2178: {
1.120 cvs 2179: #ifndef _WINDOWS
1.7 cvs 2180: status = LoopForStop (me);
1.120 cvs 2181: #endif /* _WINDOWS */
2182: if (!HTRequest_kill (me->request))
2183: AHTReqContext_delete (me);
1.7 cvs 2184: }
1.15 cvs 2185: }
1.116 cvs 2186: else
2187: {
2188: if (! HTRequest_kill (me->request))
2189: AHTReqContext_delete (me);
2190: }
2191:
2192: TtaHandlePendingEvents ();
1.90 cvs 2193:
1.116 cvs 2194: return status;
1.28 cvs 2195: }
1.4 cvs 2196:
1.5 cvs 2197: /*----------------------------------------------------------------------
1.17 cvs 2198: Stop Request
2199: stops (kills) all active requests associated with a docid
1.5 cvs 2200: ----------------------------------------------------------------------*/
1.4 cvs 2201: #ifdef __STDC__
2202: void StopRequest (int docid)
2203: #else
2204: void StopRequest (docid)
2205: int docid;
2206: #endif
2207: {
2208: HTList *cur;
2209: AHTDocId_Status *docid_status;
2210: AHTReqContext *me;
1.108 cvs 2211: #ifdef DEBUG_LIBWWW
2212: int open_requests;
2213: #endif /* DEBUG_LIBWWW */
1.116 cvs 2214:
2215:
2216: if (Amaya && libDoStop)
1.7 cvs 2217: {
1.100 cvs 2218: #ifdef DEBUG_LIBWWW
1.116 cvs 2219: fprintf (stderr, "StopRequest: number of Amaya requests : %d\n",
2220: Amaya->open_requests);
1.100 cvs 2221: #endif /* DEBUG_LIBWWW */
2222:
1.116 cvs 2223: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
2224: Amaya->docid_status);
2225: /* verify if there are any requests at all associated with docid */
2226:
2227: if (docid_status == (AHTDocId_Status *) NULL)
2228: return;
1.108 cvs 2229: #ifdef DEBUG_LIBWWW
1.116 cvs 2230: open_requests = docid_status->counter;
1.108 cvs 2231: #endif /* DEBUG_LIBWWW */
1.4 cvs 2232:
1.116 cvs 2233: /* First, kill all pending requests */
2234: /* We first inhibit the activation of pending requests */
2235: HTHost_disable_PendingReqLaunch ();
2236: cur = Amaya->reqlist;
2237: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2238: {
2239: if (me->docid == docid && me->reqStatus == HT_NEW)
2240: {
2241: /* If we have an ASYNC request, we kill it.
2242: ** If it's a SYNC request, we just mark it as aborted
2243: */
2244: me->reqStatus = HT_ABORT;
2245: if (((me->mode & AMAYA_IASYNC)
2246: || (me->mode & AMAYA_ASYNC))
2247: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2248: {
2249: /* delete the amaya/libwww request context */
2250: if (!HTRequest_kill (me->request))
2251: /* if the above function returns NO (0), it means
2252: ** that there was no network context and that
2253: ** terminate_handler wasn't called. So, we erase
2254: ** this context ourselves
2255: */
1.96 cvs 2256: AHTReqContext_delete (me);
1.116 cvs 2257:
2258: cur = Amaya->reqlist;
1.108 cvs 2259: #ifdef DEBUG_LIBWWW
1.116 cvs 2260: /* update the number of open requests */
2261: open_requests--;
1.108 cvs 2262: #endif /* DEBUG_LIBWWW */
1.116 cvs 2263: }
2264: }
2265: }
1.108 cvs 2266:
1.85 cvs 2267: /* enable the activation of pending requests */
1.116 cvs 2268: HTHost_enable_PendingReqLaunch ();
1.85 cvs 2269:
1.116 cvs 2270: cur = Amaya->reqlist;
2271: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2272: {
2273: if (me->docid == docid)
2274: {
2275: /* kill this request */
2276:
2277: switch (me->reqStatus)
2278: {
2279: case HT_ABORT:
1.108 cvs 2280: #ifdef DEBUG_LIBWWW
1.116 cvs 2281: fprintf (stderr, "Stop: url %s says abort", me->urlName);
1.108 cvs 2282: #endif /* DEBUG_LIBWWW */
1.116 cvs 2283: break;
1.100 cvs 2284:
1.116 cvs 2285: case HT_END:
2286: #ifdef DEBUG_LIBWWW
2287: fprintf (stderr, "Stop: url %s says end", me->urlName);
2288: #endif /* DEBUG_LIBWWW */
2289: break;
2290:
2291: case HT_BUSY:
2292: me->reqStatus = HT_ABORT;
1.108 cvs 2293: #ifdef DEBUG_LIBWWW
1.116 cvs 2294: fprintf (stderr, "Stop: url %s going from busy to abort\n",
2295: me->urlName);
1.108 cvs 2296: #endif /* DEBUG_LIBWWW */
1.116 cvs 2297: break;
1.100 cvs 2298:
1.116 cvs 2299: case HT_NEW_PENDING:
2300: case HT_WAITING:
2301: default:
1.108 cvs 2302: #ifdef DEBUG_LIBWWW
1.116 cvs 2303: fprintf (stderr, "Stop: url %s says NEW_PENDING, WAITING",
2304: me->urlName);
1.108 cvs 2305: #endif /* DEBUG_LIBWWW */
1.116 cvs 2306: me->reqStatus = HT_ABORT;
2307:
2308: if (((me->mode & AMAYA_IASYNC)
2309: || (me->mode & AMAYA_ASYNC))
2310: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2311: {
2312: /* delete the amaya/libwww request context */
2313: if (!HTRequest_kill (me->request))
2314: /* if the above function returns NO (0), it means
2315: ** that there was no network context and that
2316: ** terminate_handler wasn't called. So, we erase
2317: ** this context ourselves
2318: */
2319: AHTReqContext_delete (me);
1.96 cvs 2320:
1.116 cvs 2321: cur = Amaya->reqlist;
1.108 cvs 2322: #ifdef DEBUG_LIBWWW
1.116 cvs 2323: /* update the number of open requests */
2324: open_requests--;
1.108 cvs 2325: #endif /* DEBUG_LIBWWW */
1.116 cvs 2326: }
2327:
1.108 cvs 2328: #ifdef DEBUG_LIBWWW
1.116 cvs 2329: if (HTHost_isIdle (reqHost))
2330: fprintf (stderr, "StopRequst: After killing, Host is "
2331: "idle\n");
2332: else
2333: fprintf (stderr, "StopRequest: After killing, Host isn't "
2334: "idle\n");
1.108 cvs 2335: #endif /* DEBUG_LIBWWW */
1.95 cvs 2336:
1.108 cvs 2337: #ifdef DEBUG_LIBWWW
1.116 cvs 2338: open_requests--;
1.108 cvs 2339: #endif /* DEBUG_LIBWWW */
1.93 cvs 2340: break;
2341:
1.116 cvs 2342: } /* switch */
2343: } /* if me docid */
2344: } /* while */
2345:
1.100 cvs 2346: #ifdef DEBUG_LIBWWW
1.116 cvs 2347: fprintf (stderr, "StopRequest: number of Amaya requests : "
2348: "%d\n", Amaya->open_requests);
1.100 cvs 2349: #endif /* DEBUG_LIBWWW */
1.7 cvs 2350: } /* if amaya open requests */
1.93 cvs 2351:
1.85 cvs 2352: } /* StopRequest */
1.17 cvs 2353:
2354:
1.105 cvs 2355: /*----------------------------------------------------------------------
2356: AmayaIsAlive
2357: returns the status of the AmayaAlive flag
2358: ----------------------------------------------------------------------*/
2359: #ifdef __STDC__
2360: boolean AmayaIsAlive (void)
2361: #else
2362: boolean AmayaIsAlive ()
2363: #endif /* _STDC_ */
2364: {
2365: return AmayaAlive;
2366: }
1.116 cvs 2367:
1.69 cvs 2368: #endif /* AMAYA_JAVA */
1.77 cvs 2369:
1.116 cvs 2370: /*
2371: end of Module query.c
2372: */
1.17 cvs 2373:
2374:
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