Annotation of Amaya/amaya/query.c, revision 1.113
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:
1.12 cvs 19: /* Amaya includes */
1.25 cvs 20: #define THOT_EXPORT extern
1.4 cvs 21: #include "amaya.h"
1.70 cvs 22: #ifdef _WINDOWS
23: #include <fcntl.h>
24: #endif /* _WINDOWS */
1.7 cvs 25:
1.4 cvs 26: #if defined(__svr4__)
27: #define CATCH_SIG
28: #endif
29:
30: /* local structures coming from libwww and which are
1.17 cvs 31: not found in any .h file
1.7 cvs 32: */
1.68 cvs 33:
1.7 cvs 34: struct _HTStream
35: {
1.15 cvs 36: const HTStreamClass *isa;
37: FILE *fp;
1.45 cvs 38: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 39: char *end_command; /* Command to execute */
40: BOOL remove_on_close; /* Remove file? */
41: char *filename; /* Name of file */
42: HTRequest *request; /* saved for callback */
43: HTRequestCallback *callback;
1.7 cvs 44: };
45:
1.15 cvs 46:
1.7 cvs 47: struct _HTError
48: {
49: HTErrorElement element; /* Index number into HTError */
50: HTSeverity severity; /* A la VMS */
51: BOOL ignore; /* YES if msg should not go to user */
52: void *par; /* Explanation, e.g. filename */
53: int length; /* For copying by generic routine */
54: char *where; /* Which function */
55: };
56:
57:
58: struct _HTHost
59: {
60: char *hostname; /* name of host + optional port */
61: time_t ntime; /* Creation time */
62: char *type; /* Peer type */
63: int version; /* Peer version */
64: HTMethod methods; /* Public methods (bit-flag) */
65: char *server; /* Server name */
66: char *user_agent; /* User Agent */
67: char *range_units; /* Acceptable range units */
68: HTTransportMode mode; /* Supported mode */
69: HTChannel *channel; /* Persistent channel */
70: HTList *pipeline; /* Pipe line of net objects */
71: HTList *pending; /* List of pending Net objects */
72: time_t expires; /* Persistent channel expires time */
73: };
1.4 cvs 74:
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 */
1.105 cvs 85: static boolean AmayaAlive; /* set to 1 if the application is
86: active; 0 if we have killed it */
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:
1.70 cvs 95: #ifdef _WINDOWS
96: #ifdef __STDC__
97: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
98: #else
99: int WIN_Activate_Request ();
100: #endif /* __STDC__ */
101: #endif /* _WINDOWS */
1.15 cvs 102:
103: /*----------------------------------------------------------------------
1.17 cvs 104: GetDocIdStatus
105: gets the status associated to a docid
1.15 cvs 106: ----------------------------------------------------------------------*/
107: #ifdef __STDC__
108: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
109: #else
110: AHTDocID_Status *GetDocIdStatus (docid, documents)
111: int docid;
112: HTList *documents;
113:
114: #endif
115: {
116: AHTDocId_Status *me;
117: HTList *cur;
118:
119: if (documents)
120: {
121: cur = documents;
122:
123: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
124: {
125: if (me->docid == docid)
126: return (me);
1.18 cvs 127: }
128: }
1.15 cvs 129: return (AHTDocId_Status *) NULL;
130:
131: }
132:
1.5 cvs 133: /*----------------------------------------------------------------------
1.27 cvs 134: AHTGuessAtom_for
135: Converts an Amaya type descriptor into the equivalent MIME type.
136: ----------------------------------------------------------------------*/
137: #ifdef __STDC__
138: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
139: #else
140: static HTAtom *AHTGuessAtom_for (urlName, contentType)
141: char *urlName;
142: PicType contentType;
143: #endif
144: {
145: HTAtom *atom;
146: char *filename;
147: HTEncoding enc;
148: HTEncoding cte;
149: HTLanguage lang;
1.50 cvs 150: double quality = 1.0;
1.27 cvs 151:
152: switch (contentType)
153: {
154: case xbm_type:
155: atom = HTAtom_for("image/xbm");
156: break;
157: case eps_type:
1.35 cvs 158: atom = HTAtom_for("application/postscript");
1.27 cvs 159: break;
160: case xpm_type:
161: atom = HTAtom_for("image/xpm");
162: break;
163: case gif_type:
164: atom = HTAtom_for("image/gif");
165: break;
166: case jpeg_type:
167: atom = HTAtom_for("image/jpeg");
168: break;
169: case png_type:
170: atom = HTAtom_for("image/png");
171: break;
172: case unknown_type:
173: default:
174: /*
175: ** Amaya could not detect the type, so
176: ** we try to use the filename's suffix to do so.
177: */
1.45 cvs 178: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 179: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 180: TtaFreeMemory (filename);
1.27 cvs 181: if (atom == WWW_UNKNOWN)
182: /*
183: ** we could not identify the suffix, so we assign it
184: ** a default type
185: */
186: atom = HTAtom_for ("text/html");
187: break;
188: }
189:
190: return atom;
191: }
192:
193: /*----------------------------------------------------------------------
1.17 cvs 194: AHTReqContext_new
195: create a new Amaya Context Object and update the global Amaya
196: request status.
1.5 cvs 197: ----------------------------------------------------------------------*/
1.4 cvs 198: #ifdef __STDC__
199: static AHTReqContext *AHTReqContext_new (int docid)
200: #else
201: static AHTReqContext *AHTReqContext_new (docid)
202: int docid;
203:
204: #endif
205: {
206: AHTReqContext *me;
207: AHTDocId_Status *docid_status;
208:
209: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
210: outofmem (__FILE__, "Context_new");
211:
1.81 cvs 212: /* Bind the Context object together with the Request Object */
213: me->request = HTRequest_new ();
214:
1.80 cvs 215: /* clean the associated file structure) */
1.79 cvs 216: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 217:
1.4 cvs 218: /* Initialize the other members of the structure */
1.17 cvs 219: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 220: me->output = NULL;
1.89 cvs 221: me->content_type = NULL;
1.51 cvs 222: # ifndef _WINDOWS
1.4 cvs 223: me->read_xtinput_id = (XtInputId) NULL;
224: me->write_xtinput_id = (XtInputId) NULL;
225: me->except_xtinput_id = (XtInputId) NULL;
1.51 cvs 226: # endif
1.4 cvs 227: me->docid = docid;
228: HTRequest_setMethod (me->request, METHOD_GET);
229: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
230: HTRequest_setContext (me->request, me);
231: me->read_ops = 0;
232: me->write_ops = 0;
233: me->except_ops = 0;
1.36 cvs 234: /* experimental */
235: me->read_sock = INVSOC;
236: me->write_sock = INVSOC;
237: me->except_sock = INVSOC;
1.4 cvs 238:
239: /* Update the global context */
240: HTList_appendObject (Amaya->reqlist, (void *) me);
241:
242: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
243:
1.7 cvs 244: if (docid_status == NULL)
245: {
246: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
247: docid_status->docid = docid;
248: docid_status->counter = 1;
249: HTList_addObject (Amaya->docid_status, (void *) docid_status);
250: }
251: else
1.4 cvs 252: docid_status->counter++;
253:
254:
255: Amaya->open_requests++;
256:
257: /* error stream handling */
258: me->error_stream = (char *) NULL;
259: me->error_stream_size = 0;
1.74 cvs 260:
261: #ifdef DEBUG_LIBWWW
262: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
263: #endif
1.4 cvs 264: return me;
1.74 cvs 265:
1.4 cvs 266: }
267:
1.5 cvs 268: /*----------------------------------------------------------------------
1.17 cvs 269: AHTReqContext_delete
270: Delete an Amaya Context Object and update the global Amaya request
271: status.
1.5 cvs 272: ----------------------------------------------------------------------*/
1.4 cvs 273:
274: #ifdef __STDC__
1.15 cvs 275: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 276: #else
1.15 cvs 277: boolean AHTReqContext_delete (me)
1.4 cvs 278: AHTReqContext *me;
279:
280: #endif
281: {
282: AHTDocId_Status *docid_status;
283:
1.7 cvs 284: if (me)
285: {
1.4 cvs 286:
1.74 cvs 287: #ifdef DEBUG_LIBWWW
288: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
289: #endif
290:
1.7 cvs 291: if (Amaya->reqlist)
292: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 293:
1.7 cvs 294: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 295:
1.7 cvs 296: if (docid_status)
297: {
298: docid_status->counter--;
299:
300: if (docid_status->counter == 0)
301: {
302: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
303: TtaFreeMemory ((void *) docid_status);
304: }
305: }
1.105 cvs 306:
1.79 cvs 307: if (HTRequest_outputStream (me->request))
308: AHTFWriter_FREE (me->request->output_stream);
1.105 cvs 309:
1.7 cvs 310: HTRequest_delete (me->request);
1.85 cvs 311:
1.89 cvs 312: if (me->output && me->output != stdout)
1.85 cvs 313: {
314: #ifdef DEBUG_LIBWWW
315: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
316: "FILE %p\n", me->urlName, me->output);
317: #endif
318: fclose (me->output);
319: me->output = NULL;
320: }
1.79 cvs 321:
1.7 cvs 322: if (me->error_stream != (char *) NULL)
1.70 cvs 323: HT_FREE (me->error_stream);
324: # ifndef _WINDOWS
325: # ifdef WWW_XWINDOWS
1.21 cvs 326: if (me->read_xtinput_id || me->write_xtinput_id ||
327: me->except_xtinput_id)
328: RequestKillAllXtevents(me);
1.70 cvs 329: # endif /* WWW_XWINDOWS */
330: # endif /* !_WINDOWS */
1.74 cvs 331:
1.99 cvs 332: if (me->reqStatus == HT_ABORT)
333: {
334: if (me->outputfile && me->outputfile[0] != EOS)
335: {
336: TtaFileUnlink (me->outputfile);
337: me->outputfile[0] = EOS;
338: }
339: }
340:
1.74 cvs 341: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
342: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
343: or in PutObjectWWW */
344: {
1.79 cvs 345: if (me->urlName)
346: TtaFreeMemory (me->urlName);
347: if (me->outputfile)
348: TtaFreeMemory (me->outputfile);
1.74 cvs 349: }
1.113 ! cvs 350:
! 351: if (me->content_type)
! 352: TtaFreeMemory (me->content_type);
1.74 cvs 353:
1.99 cvs 354: if (me->mode & AMAYA_FORM_POST)
355: TtaFreeMemory (me->mem_ptr);
356:
1.7 cvs 357: TtaFreeMemory ((void *) me);
358: Amaya->open_requests--;
1.15 cvs 359: return TRUE;
1.4 cvs 360:
1.7 cvs 361: }
1.15 cvs 362: return FALSE;
1.4 cvs 363: }
364:
365:
1.15 cvs 366: /*----------------------------------------------------------------------
367: AHTUpload_callback
1.17 cvs 368: callback handler for executing the PUT command
1.15 cvs 369: ----------------------------------------------------------------------*/
1.4 cvs 370: #ifdef __STDC__
371: static int AHTUpload_callback (HTRequest * request, HTStream * target)
372: #else
373: static int AHTUpload_callback (request, target)
374: HTRequest *request;
375: HTStream *target;
376:
377: #endif
378: {
379: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 380: HTParentAnchor *entity = HTRequest_entityAnchor (request);
381: int len = HTAnchor_length (entity);
1.4 cvs 382: int status;
383:
384: /* Send the data down the pipe */
1.7 cvs 385:
1.4 cvs 386: status = (*target->isa->put_block) (target, me->mem_ptr, len);
387:
1.7 cvs 388: if (status == HT_LOADED || status == HT_OK)
389: {
1.13 cvs 390: if (PROT_TRACE)
391: HTTrace ("Posting Data Target is SAVED\n");
392: (*target->isa->flush) (target);
393: return (HT_LOADED);
1.7 cvs 394: }
395: if (status == HT_WOULD_BLOCK)
396: {
397: if (PROT_TRACE)
398: HTTrace ("Posting Data Target WOULD BLOCK\n");
1.74 cvs 399: #ifdef _WINDOWS
400: return HT_CONTINUE;
401: #else
402: return HT_WOULD_BLOCK;
403: #endif /* _WINDOWS */
404:
1.7 cvs 405: return HT_WOULD_BLOCK;
406: }
407: else if (status == HT_PAUSE)
408: {
409: if (PROT_TRACE)
410: HTTrace ("Posting Data Target PAUSED\n");
1.101 cvs 411: /*
1.7 cvs 412: return HT_PAUSE;
1.101 cvs 413: */
1.100 cvs 414: return HT_CONTINUE;
1.101 cvs 415:
1.7 cvs 416: }
417: else if (status > 0)
418: { /* Stream specific return code */
419: if (PROT_TRACE)
420: HTTrace ("Posting Data. Target returns %d\n", status);
421: return status;
422: }
423: else
424: { /* we have a real error */
425: if (PROT_TRACE)
426: HTTrace ("Posting Data Target ERROR %d\n", status);
427: return status;
428: }
1.4 cvs 429: }
430:
1.5 cvs 431: /*----------------------------------------------------------------------
1.17 cvs 432: Thread_deleteAll
433: this function deletes the whole list of active threads.
1.5 cvs 434: ----------------------------------------------------------------------*/
1.4 cvs 435: #ifdef __STDC__
436: static void Thread_deleteAll (void)
437: #else
438: static void Thread_deleteAll ()
439: #endif
440: {
1.21 cvs 441: HTList *cur;
442: AHTReqContext *me;
443: AHTDocId_Status *docid_status;
444:
1.74 cvs 445: if (Amaya && Amaya->reqlist)
446: {
447: if (Amaya->open_requests > 0)
448: #ifdef DEBUG_LIBWWW
449: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
450: "requests\n", Amaya->open_requests);
451: #endif
452: {
453: cur = Amaya->reqlist;
454:
455: /* erase the requests */
456: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
457: {
458: if (me->request)
459: {
1.70 cvs 460: # ifndef _WINDOWS
1.74 cvs 461: RequestKillAllXtevents (me);
1.70 cvs 462: # endif /* !_WINDOWS */
1.92 cvs 463:
464: if (me->request->net)
465: HTRequest_kill (me->request);
1.96 cvs 466: #ifndef _WINDOWS
467: AHTReqContext_delete (me);
468: #endif /* _WINDOWS */
1.74 cvs 469: }
470: } /* while */
471:
472: /* erase the docid_status entities */
473: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
474: TtaFreeMemory ((void *) docid_status);
475:
476: } /* if */
1.84 cvs 477:
1.74 cvs 478: }
1.4 cvs 479: }
480:
1.5 cvs 481: /*----------------------------------------------------------------------
1.83 cvs 482: AHTOpen_file
483: ----------------------------------------------------------------------*/
484: #ifdef __STDC__
1.85 cvs 485: int AHTOpen_file (HTRequest * request)
1.83 cvs 486: #else
1.85 cvs 487: int AHTOpen_file (request)
1.83 cvs 488: HTRequest *request;
489:
490: #endif /* __STDC__ */
491: {
492: AHTReqContext *me; /* current request */
493:
494: me = HTRequest_context (request);
495:
1.93 cvs 496:
497: if (!me)
498: return HT_ERROR;
499:
1.83 cvs 500: #ifdef DEBUG_LIBWWW
1.85 cvs 501: fprintf(stderr, "AHTOpen_file: start\n");
502: #endif /* DEBUG_LIBWWW */
503:
504: if (me->reqStatus == HT_ABORT)
505: {
506: #ifdef DEBUG_LIBWWW
507: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 508: #endif /* DEBUG_LIBWWW */
509:
1.85 cvs 510: return HT_OK;
511: }
512:
513: if (HTRequest_outputStream (me->request))
514: {
515:
516: #ifdef DEBUG_LIBWWW
517: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
518: #endif /* DEBUG_LIBWWW */
519: return HT_OK;
520: }
521:
522: #ifdef DEBUG_LIBWWW
523: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
524: #endif /* DEBUG_LIBWWW */
525:
1.83 cvs 526: if (!(me->output) &&
527: (me->output != stdout) &&
528: #ifndef _WINDOWS
529: (me->output = fopen (me->outputfile, "w")) == NULL)
530: {
531: #else
532: (me->output = fopen (me->outputfile, "wb")) == NULL)
533: {
534: #endif /* !_WINDOWS */
535:
536: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 537: #ifdef DEBUG_LIBWWW
538: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
539: #endif
1.83 cvs 540: TtaSetStatus (me->docid, 1,
541: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
542: me->outputfile);
543: me->reqStatus = HT_ERR;
544: return (HT_ERROR);
545: }
546:
547: HTRequest_setOutputStream (me->request,
548: AHTFWriter_new (me->request,
549: me->output, YES));
550: me->reqStatus = HT_WAITING;
551:
552: return HT_OK;
553: }
554:
555: /*----------------------------------------------------------------------
1.17 cvs 556: redirection_handler
557: this function is registered to handle permanent and temporary
558: redirections.
559: ----------------------------------------------------------------------*/
1.4 cvs 560: #ifdef __STDC__
1.7 cvs 561: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 562: #else
563: static int redirection_handler (request, context, status)
564: HTRequest *request;
565: HTResponse *response;
566: void *param;
567: int status;
568:
569: #endif
570: {
571:
572: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 573: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 574: HTMethod method = HTRequest_method (request);
1.98 cvs 575: char *ref;
576: char *tmp;
1.4 cvs 577:
1.7 cvs 578: if (!new_anchor)
579: {
580: if (PROT_TRACE)
581: HTTrace ("Redirection. No destination\n");
582: return HT_OK;
583: }
1.4 cvs 584:
585: /*
586: ** Only do redirect on GET and HEAD
587: */
1.7 cvs 588: if (!HTMethod_isSafe (method))
589: {
590: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
591: if (prompt)
592: {
593: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
594: NULL, NULL, NULL) != YES)
595: return HT_ERROR;
596: }
597: }
1.4 cvs 598:
599: /*
600: ** Start new request with the redirect anchor found in the headers.
601: ** Note that we reuse the same request object which means that we must
602: ** keep this around until the redirected request has terminated. It also
603: ** allows us in an easy way to keep track of the number of redirections
604: ** so that we can detect endless loops.
605: */
1.17 cvs 606:
1.7 cvs 607: if (HTRequest_doRetry (request))
608: {
609: /* do we need to normalize the URL? */
610: if (strncmp (new_anchor->parent->address, "http:", 5))
611: {
612: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 613: ref = AmayaParseUrl (new_anchor->parent->address,
614: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 615: if (ref)
616: {
1.98 cvs 617: HT_FREE (new_anchor->parent->address);
618: tmp = NULL;
619: HTSACopy (&tmp, ref);
620: new_anchor->parent->address = tmp;
621: TtaFreeMemory (ref);
1.7 cvs 622: }
1.98 cvs 623: else
624: return HT_ERROR; /* We can't redirect anymore */
1.7 cvs 625: }
626:
627: /* update the current file name */
1.21 cvs 628: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 629: {
1.107 cvs 630: strncpy (me->urlName, new_anchor->parent->address, MAX_LENGTH - 1);
1.21 cvs 631: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 632: }
633: else
1.74 cvs 634: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 635:
1.38 cvs 636: ChopURL (me->status_urlName, me->urlName);
1.7 cvs 637: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 638: me->status_urlName);
1.7 cvs 639:
640: /* Start request with new credentials */
1.64 cvs 641:
1.79 cvs 642: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 643: AHTFWriter_FREE (request->output_stream);
644: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 645: #ifdef DEBUG_LIBWWW
1.79 cvs 646: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 647: "FILE %p\n", me->urlName, me->output);
648: #endif
1.79 cvs 649: fclose (me->output);
650: me->output = NULL;
651: }
1.64 cvs 652: }
1.68 cvs 653:
1.105 cvs 654: /* reset the status */
655: me->reqStatus = HT_NEW;
656: /* clear the errors */
657: HTError_deleteAll( HTRequest_error (request));
658: HTRequest_setError (request, NULL);
1.7 cvs 659: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 660: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 661: else
1.74 cvs 662: HTLoadAnchor (new_anchor, request);
1.7 cvs 663: }
664: else
1.68 cvs 665: {
1.74 cvs 666: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
667: NULL, 0, "HTRedirectFilter");
668: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
669: NULL);
670: if (me->error_html)
671: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
672: /* so that we can show the error message */
1.68 cvs 673: }
674:
1.4 cvs 675: /*
1.74 cvs 676: ** By returning HT_ERROR we make sure that this is the last handler to be
677: ** called. We do this as we don't want any other filter to delete the
678: ** request object now when we have just started a new one ourselves
679: */
1.4 cvs 680: return HT_ERROR;
681: }
682:
1.5 cvs 683: /*----------------------------------------------------------------------
1.17 cvs 684: terminate_handler
685: this function is registered to handle the result of the request
1.5 cvs 686: ----------------------------------------------------------------------*/
1.4 cvs 687: #if __STDC__
1.7 cvs 688: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 689: #else
690: static int terminate_handler (request, response, context, status)
691: HTRequest *request;
692: HTResponse *response;
693: void *context;
694: int status;
695: #endif
696: {
697: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.106 cvs 698: char *content_type;
1.13 cvs 699: boolean error_flag;
1.4 cvs 700:
701: if (!me)
1.74 cvs 702: return HT_OK; /* not an Amaya request */
703:
1.80 cvs 704: /* if Amaya was killed, treat with this request as if it were
705: issued by a Stop button event */
1.105 cvs 706: if (!AmayaAlive)
1.80 cvs 707: me->reqStatus = HT_ABORT;
1.74 cvs 708:
1.77 cvs 709: if (status == HT_LOADED ||
710: status == HT_CREATED ||
1.79 cvs 711: status == HT_NO_DATA ||
712: me->reqStatus == HT_ABORT)
1.74 cvs 713: error_flag = FALSE;
1.13 cvs 714: else
1.74 cvs 715: error_flag = TRUE;
716:
1.4 cvs 717: /* output any errors from the server */
1.74 cvs 718:
1.77 cvs 719: /*
1.74 cvs 720: ** me->output = output file which will receive an html file
721: ** me->error_html = yes, output HTML errors in the screen
722: ** request->error_stack == if there are any errors, they will be here
723: ** me->error_stream_size If it's != 0 means an error message has already
724: ** been written to the stack
725: */
726:
1.4 cvs 727: /* First, we verify if there are any errors and if they are not
1.17 cvs 728: ** yet written to the error stack. If no, then let's try to write them
729: ** ourselves
730: */
1.74 cvs 731:
732: #ifdef DEBUG_LIBWWW
733: fprintf (stderr, "terminate_handler: URL is "
734: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
735: status);
1.69 cvs 736: #endif
1.74 cvs 737:
1.69 cvs 738: if (me->output && me->output != stdout)
739: {
1.74 cvs 740: /* we are writing to a file */
741: if (me->reqStatus != HT_ABORT)
742: { /* if the request was not aborted and */
1.80 cvs 743: if (error_flag &&
744: me->error_html == TRUE)
745: /* there were some errors and we want to print them */
746: {
747: if (me->error_stream_size == 0)/* and the stream is empty */
748: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 749: **the error stack
1.77 cvs 750: ** into the error stream */
1.80 cvs 751: if (me->error_stream)
752: { /* if the stream is non-empty */
753: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 754: /* Clear the error context, so that we can deal with
755: this answer as if it were a normal reply */
756: HTError_deleteAll( HTRequest_error (request));
757: HTRequest_setError (request, NULL);
758: error_flag = 0;
1.74 cvs 759: }
760: } /* if error_stack */
1.85 cvs 761: }
762:
763: /* if != HT_ABORT */
764:
765: #ifdef DEBUG_LIBWWW
766: fprintf (stderr, "terminate_handler: URL is %s, closing "
767: "FILE %p\n", me->urlName, me->output);
768: #endif
1.74 cvs 769: fclose (me->output);
770: me->output = NULL;
1.69 cvs 771: }
1.80 cvs 772:
1.74 cvs 773:
1.80 cvs 774: if (error_flag)
775: me->reqStatus = HT_ERR;
776: else if (me->reqStatus != HT_ABORT)
777: me->reqStatus = HT_END;
778:
1.106 cvs 779: /* copy the content_type */
780: content_type = request->anchor->content_type->name;
781: if (content_type && content_type [0] != EOS)
1.88 cvs 782: {
783: /* libwww gives www/unknown when it gets an error. As this is
784: an HTML test, we force the type to text/html */
785: if (!strcmp (content_type, "www/unknown"))
786: {
1.106 cvs 787: if (me->content_type == NULL)
788: me->content_type = TtaStrdup ("text/html");
789: else
790: strcpy (me->content_type, "text/html");
1.88 cvs 791: }
792: else
1.106 cvs 793: {
794: if (me->content_type == NULL)
795: me->content_type = TtaStrdup (content_type);
796: else
797: {
798: strncpy (me->content_type, content_type, NAME_LENGTH -1);
799: me->content_type [NAME_LENGTH-1] = '\0';
800: }
1.88 cvs 801:
802: /* Content-Type can be specified by a server's admin. To be on
803: the safe side, we normalize its case */
804: ConvertToLowerCase (me->content_type);
805: }
806: #ifdef DEBUG_LIBWWW
807: fprintf (stderr, "content type is: %s\n", me->content_type);
808: #endif /* DEBUG_LIBWWW */
809: }
810:
1.111 cvs 811: /* don't remove or Xt will hang up during the PUT */
1.105 cvs 812: if (AmayaAlive && ((me->method == METHOD_POST) ||
1.111 cvs 813: (me->method == METHOD_PUT)))
1.7 cvs 814: {
1.80 cvs 815: PrintTerminateStatus (me, status);
816: }
1.111 cvs 817:
818: ProcessTerminateRequest (request, response, context, status);
819: return HT_OK;
1.4 cvs 820: }
821:
1.5 cvs 822: /*----------------------------------------------------------------------
1.17 cvs 823: AHTLoadTerminate_handler
1.74 cvs 824: this is an application "AFTER" Callback. It's called by the library
825: when a request has ended, so that we can setup the correct status.
1.5 cvs 826: ----------------------------------------------------------------------*/
1.4 cvs 827:
828: #ifdef __STDC__
1.111 cvs 829: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 830: #else
1.111 cvs 831: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 832: HTRequest *request;
833: HTResponse *response;
834: void *param;
835: int status;
1.69 cvs 836:
1.4 cvs 837: #endif
838: {
839: AHTReqContext *me = HTRequest_context (request);
840: HTAlertCallback *cbf;
841: AHTDocId_Status *docid_status;
842:
1.7 cvs 843: switch (status)
844: {
845: case HT_LOADED:
846: if (PROT_TRACE)
847: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 848: me->status_urlName);
1.4 cvs 849:
1.7 cvs 850: docid_status = GetDocIdStatus (me->docid,
851: Amaya->docid_status);
852:
853: if (docid_status != NULL && docid_status->counter > 1)
1.74 cvs 854: TtaSetStatus (me->docid, 1,
855: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
856: me->status_urlName);
1.7 cvs 857: break;
858:
859: case HT_NO_DATA:
860: if (PROT_TRACE)
1.74 cvs 861: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
862: me->status_urlName);
863: TtaSetStatus (me->docid, 1,
864: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 865: me->status_urlName);
1.7 cvs 866: break;
867:
868: case HT_INTERRUPTED:
869: if (PROT_TRACE)
1.74 cvs 870: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
871: me->status_urlName);
872: TtaSetStatus (me->docid, 1,
873: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
874: NULL);
1.7 cvs 875: break;
876:
877: case HT_RETRY:
878: if (PROT_TRACE)
879: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
880: HTResponse_retryTime (response));
1.74 cvs 881: TtaSetStatus (me->docid, 1,
882: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 883: me->status_urlName);
1.7 cvs 884: break;
885:
886: case HT_ERROR:
887:
888: cbf = HTAlert_find (HT_A_MESSAGE);
889: if (cbf)
890: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
891: HTRequest_error (request), NULL);
892: break;
893:
894: if (PROT_TRACE)
895: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.74 cvs 896: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
897: TtaSetStatus (me->docid, 1,
898: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 899: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 900: break;
901: default:
902: if (PROT_TRACE)
903: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
904: break;
905: }
906:
1.4 cvs 907: return HT_OK;
908: }
909:
1.27 cvs 910: /*----------------------------------------------------------------------
911: AHTAcceptTypesInit
1.74 cvs 912: This function prepares the Accept header used by Amaya during
913: the HTTP content negotiation phase
1.27 cvs 914: ----------------------------------------------------------------------*/
915: #ifdef __STDC__
916: static void AHTAcceptTypesInit (HTList *c)
917: #else /* __STDC__ */
918: static void AHTAcceptTypesInit (c)
919: HTList *c;
920: #endif /* __STDC__ */
921: {
922: if (c == (HTList *) NULL)
923: return;
924:
925: /* define here all the mime types that Amaya can accept */
926:
1.74 cvs 927: HTConversion_add (c, "image/png", "www/present",
928: HTThroughLine, 1.0, 0.0, 0.0);
929: HTConversion_add (c, "image/jpeg", "www/present",
930: HTThroughLine, 1.0, 0.0, 0.0);
931: HTConversion_add (c, "image/gif", "www/present",
932: HTThroughLine, 1.0, 0.0, 0.0);
933: HTConversion_add (c, "image/xbm", "www/present",
934: HTThroughLine, 1.0, 0.0, 0.0);
935: HTConversion_add (c, "image/xpm", "www/present",
936: HTThroughLine, 1.0, 0.0, 0.0);
937: HTConversion_add (c, "application/postscript",
938: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 939:
1.27 cvs 940: /* Define here the equivalences between MIME types and file extensions for
941: the types that Amaya can display */
942:
943: /* Register the default set of file suffix bindings */
944: HTFileInit ();
945:
946: /* Don't do any case distinction */
947: HTBind_caseSensitive (FALSE);
948: }
1.4 cvs 949:
1.5 cvs 950: /*----------------------------------------------------------------------
1.17 cvs 951: AHTConverterInit
952: Bindings between a source media type and a destination media type
953: (conversion).
1.5 cvs 954: ----------------------------------------------------------------------*/
1.15 cvs 955: #ifdef __STDC__
956: static void AHTConverterInit (HTList *c)
957: #else /* __STDC__ */
958: static void AHTConverterInit (c)
959: HTList *c;
960: #endif /* __STDC__ */
1.4 cvs 961: {
962:
963: /* Handler for custom http error messages */
1.7 cvs 964: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 965:
966: /*
967: ** These are converters that converts to something other than www/present,
968: ** that is not directly outputting someting to the user on the screen
969: */
970:
971: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
972: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
973: 1.0, 0.0, 0.0);
974: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
975: 1.0, 0.0, 0.0);
976: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
977: 1.0, 0.0, 0.0);
978: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
979: 1.0, 0.0, 0.0);
980:
981:
982: /*
983: ** The following conversions are converting ASCII output from various
984: ** protocols to HTML objects.
985: */
986: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
987: 1.0, 0.0, 0.0);
988:
989: /*
990: ** We also register a special content type guess stream that can figure out
991: ** the content type by reading the first bytes of the stream
992: */
993: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
994: 1.0, 0.0, 0.0);
995:
996: /*
997: ** Register a persistent cache stream which can save an object to local
998: ** file
999: */
1.102 cvs 1000: #if 0
1.4 cvs 1001: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
1002: 1.0, 0.0, 0.0);
1.102 cvs 1003: #endif
1.4 cvs 1004:
1005: /*
1006: ** This dumps all other formats to local disk without any further
1007: ** action taken
1008: */
1009: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
1010: 0.3, 0.0, 0.0);
1011:
1012: }
1013:
1.27 cvs 1014:
1.15 cvs 1015: /*----------------------------------------------------------------------
1.17 cvs 1016: AHTProtocolInit
1017: Registers all amaya supported protocols.
1.15 cvs 1018: ----------------------------------------------------------------------*/
1.4 cvs 1019: static void AHTProtocolInit (void)
1020: {
1021:
1.17 cvs 1022: /*
1.74 cvs 1023: NB. Preemptive == YES means Blocking requests
1024: Non-preemptive == NO means Non-blocking requests
1.17 cvs 1025: */
1.4 cvs 1026:
1.63 cvs 1027: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 1028: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
1029: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
1.103 cvs 1030: #if 0 /* experimental code */
1031: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 1032: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.4 cvs 1033: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
1034: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
1035: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
1036: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
1037: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 1038: #endif
1.4 cvs 1039: }
1040:
1.15 cvs 1041: /*----------------------------------------------------------------------
1.17 cvs 1042: AHTNetInit
1043: Reegisters "before" and "after" request filters.
1.15 cvs 1044: ----------------------------------------------------------------------*/
1.4 cvs 1045: static void AHTNetInit (void)
1046: {
1047:
1048: /* Register BEFORE filters
1.74 cvs 1049: ** The BEFORE filters handle proxies, caches, rule files etc.
1050: ** The filters are called in the order by which the are registered
1051: ** Not done automaticly - may be done by application!
1052: */
1053:
1.4 cvs 1054:
1.74 cvs 1055: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
1056: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.85 cvs 1057: /* HTNet_addBefore (AHTOpen_file, NULL, NULL, 11); */
1058: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1059:
1060: /* register AFTER filters
1.74 cvs 1061: ** The AFTER filters handle error messages, logging, redirection,
1062: ** authentication etc.
1063: ** The filters are called in the order by which the are registered
1064: ** Not done automaticly - may be done by application!
1065: */
1.4 cvs 1066:
1.82 cvs 1067: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1068: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1069: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1070: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.111 cvs 1071: #ifndef _WINDOWS
1.51 cvs 1072: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.111 cvs 1073: #endif /* !_WINDOWS */
1.51 cvs 1074: /* handles all errors */
1.7 cvs 1075: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1076: }
1077:
1.15 cvs 1078: /*----------------------------------------------------------------------
1.17 cvs 1079: AHTAlertInit
1080: Register alert messages and their callbacks.
1.15 cvs 1081: ----------------------------------------------------------------------*/
1082: #ifdef __STDC__
1083: static void AHTAlertInit (void)
1084: #else
1085: static void AHTAlertInit ()
1086: #endif
1087: {
1088: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1089: # ifndef _WINDOWS
1.83 cvs 1090: /* HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT); */
1.70 cvs 1091: # else /* _WINDOWS */
1092: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1093: # endif /* _WINDOWS */
1.15 cvs 1094: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1095: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1096: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1097: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1098: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1099: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1100: }
1101:
1102: /*----------------------------------------------------------------------
1.97 cvs 1103: ProxyInit
1104: Reads any proxies settings which may be declared as environmental
1105: variables or in the thot.ini file. The former overrides the latter.
1106: ----------------------------------------------------------------------*/
1107: static void ProxyInit (void)
1108: {
1109: char *strptr;
1110: char *str = NULL;
1111: char *name;
1112:
1113: /* get the proxy settings from the thot.ini file */
1114: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1115: if (strptr && *strptr)
1116: HTProxy_add ("http", strptr);
1117: /* get the no_proxy settings from the thot.ini file */
1118: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1119: if (strptr && *strptr)
1120: {
1121: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1122: strptr = str;
1123: while ((name = HTNextField (&strptr)) != NULL) {
1124: char *portstr = strchr (name, ':');
1125: unsigned port=0;
1126: if (portstr) {
1127: *portstr++ = '\0';
1128: if (*portstr) port = (unsigned) atoi(portstr);
1129: }
1130: /* Register it for all access methods */
1131: HTNoProxy_add (name, NULL, port);
1132: }
1133: TtaFreeMemory (str);
1134: }
1135:
1136: /* use libw3's routine to get all proxy settings from the environment */
1137: HTProxy_getEnvVar ();
1138:
1139: }
1140:
1141:
1142: /*----------------------------------------------------------------------
1.17 cvs 1143: AHTProfile_newAmaya
1144: creates the Amaya client profile for libwww.
1.15 cvs 1145: ----------------------------------------------------------------------*/
1146: #ifdef __STDC__
1147: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1148: #else /* __STDC__ */
1149: static void AHTProfile_newAmaya (AppName, AppVersion)
1150: char *AppName;
1151: char *AppVersion;
1152: #endif /* __STDC__ */
1.4 cvs 1153: {
1154: /* If the Library is not already initialized then do it */
1155: if (!HTLib_isInitialized ())
1156: HTLibInit (AppName, AppVersion);
1157:
1158: if (!converters)
1159: converters = HTList_new ();
1.27 cvs 1160: if (!acceptTypes)
1161: acceptTypes = HTList_new ();
1.4 cvs 1162: if (!encodings)
1163: encodings = HTList_new ();
1164:
1165: /* Register the default set of transport protocols */
1166: HTTransportInit ();
1167:
1168: /* Register the default set of application protocol modules */
1169: AHTProtocolInit ();
1170:
1171: /* Enable the persistent cache */
1172: /* HTCacheInit (NULL, 20); */
1173:
1174: /* Register the default set of BEFORE and AFTER filters */
1175: AHTNetInit ();
1176:
1177: /* Set up the default set of Authentication schemes */
1178: HTAAInit ();
1179:
1.97 cvs 1180: /* Get any proxy settings */
1181: ProxyInit ();
1.4 cvs 1182:
1183: /* Register the default set of converters */
1184: AHTConverterInit (converters);
1.27 cvs 1185: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1186: HTFormat_setConversion (converters);
1187:
1188: /* Register the default set of transfer encoders and decoders */
1189: HTEncoderInit (encodings); /* chunks ??? */
1190: HTFormat_setTransferCoding (encodings);
1191:
1192: /* Register the default set of MIME header parsers */
1.74 cvs 1193: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1194:
1195: /* Register the default set of Icons for directory listings */
1.27 cvs 1196: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1197:
1198: /* Register the default set of messages and dialog functions */
1199: AHTAlertInit ();
1200: HTAlert_setInteractive (YES);
1201: }
1202:
1.5 cvs 1203: /*----------------------------------------------------------------------
1.17 cvs 1204: AHTProfile_delete
1205: deletes the Amaya client profile.
1.5 cvs 1206: ----------------------------------------------------------------------*/
1.4 cvs 1207: #ifdef __STDC__
1208: static void AHTProfile_delete (void)
1209: #else
1210: static void AHTProfile_delete ()
1.7 cvs 1211: #endif /* __STDC__ */
1.4 cvs 1212: {
1.22 cvs 1213:
1214: /* free the Amaya global context */
1.74 cvs 1215: if (!converters)
1216: HTConversion_deleteAll (converters);
1217: if (!acceptTypes)
1218: HTConversion_deleteAll (acceptTypes);
1219: if (!encodings)
1220: HTCoding_deleteAll (encodings);
1221:
1222: HTList_delete (Amaya->docid_status);
1223: HTList_delete (Amaya->reqlist);
1224: TtaFreeMemory (Amaya);
1225: {
1.61 cvs 1226:
1.74 cvs 1227: if (HTLib_isInitialized ())
1228:
1.61 cvs 1229: # ifdef _WINDOWS
1230: HTEventTerminate ();
1231: # endif _WINDOWS;
1.74 cvs 1232:
1233: /* Clean up the persistent cache (if any) */
1.102 cvs 1234: /* HTCacheTerminate (); */
1.74 cvs 1235:
1236: /* Clean up all the global preferences */
1237: HTFormat_deleteAll ();
1238:
1239: /* Terminate libwww */
1240: HTLibTerminate ();
1241: }
1.4 cvs 1242: }
1243:
1.5 cvs 1244: /*----------------------------------------------------------------------
1.17 cvs 1245: QueryInit
1246: initializes the libwww interface
1.5 cvs 1247: ----------------------------------------------------------------------*/
1.4 cvs 1248: #ifdef __STDC__
1249: void QueryInit ()
1250: #else
1251: void QueryInit ()
1252: #endif
1253: {
1254:
1.105 cvs 1255: AmayaAlive = TRUE;
1.4 cvs 1256: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1257:
1.69 cvs 1258: /* New AHTBridge stuff */
1.4 cvs 1259:
1.54 cvs 1260: # ifdef _WINDOWS
1.75 cvs 1261: AHTEventInit ();
1.54 cvs 1262: # endif _WINDOWS;
1.72 cvs 1263:
1.70 cvs 1264: HTEvent_setRegisterCallback (AHTEvent_register);
1.78 cvs 1265: /*** a effacer ***/
1266: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1267: /*** ***/
1.4 cvs 1268:
1.72 cvs 1269: # ifndef _WINDOWS
1270: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1271: # endif /* _WINDOWS */
1272:
1.74 cvs 1273: #ifdef DEBUG_LIBWWW
1274: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1275: #endif
1.4 cvs 1276:
1277: /* Trace activation (for debugging) */
1.7 cvs 1278: /*
1.4 cvs 1279: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1280: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1281: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1282: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1283: SHOW_CORE_TRACE;
1284:
1.7 cvs 1285: */
1.4 cvs 1286:
1287: /***
1288: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1289: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1290: ***/
1291:
1292: /* Setting up other user interfaces */
1293:
1294: /* Setting up different network parameters */
1.17 cvs 1295: /* Maximum number of simultaneous open sockets */
1.4 cvs 1296: HTNet_setMaxSocket (8);
1.75 cvs 1297: /* different network services timeouts */
1.109 cvs 1298: HTDNS_setTimeout (60);
1.75 cvs 1299: #ifdef _WINDOWS
1300: /* under windows, the libwww persistent socket handling has
1301: ** some bugs. The following line inhibits idle socket reusal.
1302: ** this is a bit slower, but avoids crashes and gives us time
1303: ** to distribute Amaya before having to patch up libwww.
1304: */
1.76 cvs 1305: HTHost_setPersistTimeout (-1L);
1.75 cvs 1306: #else
1.76 cvs 1307: HTHost_setPersistTimeout (60L);
1.75 cvs 1308: #endif /* _WINDOWS */
1309:
1.17 cvs 1310: /* Cache is disabled in this version */
1.4 cvs 1311: HTCacheMode_setEnabled (0);
1312:
1313: /* Initialization of the global context */
1314: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1315: Amaya->reqlist = HTList_new ();
1316: Amaya->docid_status = HTList_new ();
1317: Amaya->open_requests = 0;
1.74 cvs 1318:
1.4 cvs 1319: #ifdef CATCH_SIG
1.18 cvs 1320: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1321: #endif
1.94 cvs 1322:
1.15 cvs 1323: }
1324:
1.69 cvs 1325: #ifndef _WINDOWS
1.15 cvs 1326: /*----------------------------------------------------------------------
1.17 cvs 1327: LoopForStop
1328: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1329: Not useful for windows code (Ramzi).
1.15 cvs 1330: ----------------------------------------------------------------------*/
1331: #ifdef __STDC__
1332: static int LoopForStop (AHTReqContext * me)
1333: #else
1334: static int LoopForStop (AHTReqContext * me)
1335: #endif
1336: {
1337:
1.25 cvs 1338: extern ThotAppContext app_cont;
1.51 cvs 1339: XEvent ev;
1340: XtInputMask status;
1.17 cvs 1341: int status_req = HT_OK;
1.15 cvs 1342:
1343: /* to test the async calls */
1.17 cvs 1344: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1345: while (me->reqStatus != HT_ABORT &&
1346: me->reqStatus != HT_END &&
1.69 cvs 1347: me->reqStatus != HT_ERR) {
1.105 cvs 1348: if (!AmayaAlive)
1.69 cvs 1349: /* Amaya was killed by one of the callback handlers */
1350: exit (0);
1351:
1352: status = XtAppPending (app_cont);
1353: if (status & XtIMXEvent) {
1354: XtAppNextEvent (app_cont, &ev);
1355: TtaHandleOneEvent (&ev);
1356: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1357: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1358: } else {
1359: XtAppNextEvent (app_cont, &ev);
1360: TtaHandleOneEvent (&ev);
1361: }
1362: }
1.4 cvs 1363:
1.69 cvs 1364: switch (me->reqStatus) {
1365: case HT_ERR:
1366: case HT_ABORT:
1.15 cvs 1367: status_req = HT_ERROR;
1368: break;
1369:
1.69 cvs 1370: case HT_END:
1.15 cvs 1371: status_req = HT_OK;
1372: break;
1373:
1.69 cvs 1374: default:
1.15 cvs 1375: break;
1.69 cvs 1376: }
1.15 cvs 1377: return (status_req);
1.4 cvs 1378: }
1.69 cvs 1379: #endif /* _WINDOWS */
1.4 cvs 1380:
1.5 cvs 1381: /*----------------------------------------------------------------------
1.15 cvs 1382: QueryClose
1.21 cvs 1383: closes all existing threads, frees all non-automatically deallocated
1384: memory and then ends libwww.
1.5 cvs 1385: ----------------------------------------------------------------------*/
1.4 cvs 1386: void QueryClose ()
1387: {
1.24 cvs 1388:
1.105 cvs 1389: AmayaAlive = FALSE;
1.24 cvs 1390:
1.21 cvs 1391: /* remove all the handlers and callbacks that may output a message to
1392: a non-existent Amaya window */
1393:
1394: HTNet_deleteAfter (AHTLoadTerminate_handler);
1395: HTNet_deleteAfter (redirection_handler);
1396: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1397: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1398: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1399: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.87 cvs 1400: HTHost_setActivateRequestCallback (NULL);
1.4 cvs 1401: Thread_deleteAll ();
1.21 cvs 1402:
1.4 cvs 1403: HTProxy_deleteAll ();
1404: HTNoProxy_deleteAll ();
1405: HTGateway_deleteAll ();
1406: AHTProfile_delete ();
1407: }
1408:
1.99 cvs 1409:
1410: /*----------------------------------------------------------------------
1411: InvokeGetObjectWWW_callback
1412: A simple function to invoke a callback function whenever there's an error
1413: in GetObjectWWW
1414: ---------------------------------------------------------------------*/
1415:
1416: #ifdef _STDC
1.111 cvs 1417: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_cbf, int status)
1.99 cvs 1418: #else
1.111 cvs 1419: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 1420: int docid;
1421: char *urlName;
1422: char *outputfile;
1423: TTcbf *terminate_cbf;
1424: void *context_tcbf;
1.111 cvs 1425: int status;
1.99 cvs 1426: #endif /* _STDC */
1427: {
1428: if (!terminate_cbf)
1429: return;
1430:
1431: (*terminate_cbf) (docid, -1, urlName, outputfile,
1432: NULL, context_tcbf);
1433: }
1434:
1435:
1436:
1.5 cvs 1437: /*----------------------------------------------------------------------
1.15 cvs 1438: GetObjectWWW
1.17 cvs 1439: this function requests a resource designated by a URLname into a
1440: temporary filename. The download can come from a simple GET operation,
1441: or can come from POSTING/GETTING a form. In the latter
1442: case, the function receives a query string to send to the server.
1443:
1.5 cvs 1444: 4 file retrieval modes are proposed:
1445: AMAYA_SYNC : blocking mode
1446: AMAYA_ISYNC : incremental, blocking mode
1447: AMAYA_ASYNC : non-blocking mode
1448: AMAYA_IASYNC : incremental, non-blocking mode
1449:
1450: In the incremental mode, each time a package arrives, it will be
1451: stored in the temporary file. In addition, if an
1452: incremental_callback function is defined, this function will be
1453: called and handled a copy of the newly received data package.
1454: Finally, if a terminate_callback function is defined, it will be
1455: invoked when the request terminates. The caller of this function
1.4 cvs 1456: can define two different contexts to be passed to the callback
1457: functions.
1458:
1459: When the function is called with the SYNC mode, the function will
1460: return only when the requested file has been loaded.
1461: The ASYNC mode will immediately return after setting up the
1462: call.
1463:
1464: Notes:
1465: At the end of a succesful request, the urlName string contains the
1466: name of the actually retrieved URL. As a URL can change over the time,
1467: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1468: caller verify the value of the urlName variable at the end of
1.4 cvs 1469: a request.
1470:
1471: Inputs:
1472: - docid Document identifier for the set of objects being
1473: retrieved.
1474: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1475: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1476: - mode The retrieval mode.
1477: - incremental_cbf
1478: - context_icbf
1479: Callback and context for the incremental modes
1480: - terminate_cbf
1481: - context_icbf
1482: Callback and context for a terminate handler
1.17 cvs 1483: -error_html if TRUE, then display any server error message as an
1484: HTML document.
1.88 cvs 1485: - content_type a string
1486:
1.4 cvs 1487: Outputs:
1488: - urlName The URL that was retrieved
1489: - outputfile The name of the temporary file which holds the
1490: retrieved data. (Only in case of success)
1.88 cvs 1491: - if content_type wasn't NULL, it will contain a copy of the parameter
1492: sent in the HTTP answer
1.4 cvs 1493: Returns:
1494: HT_ERROR
1495: HT_OK
1.5 cvs 1496:
1497: ----------------------------------------------------------------------*/
1.4 cvs 1498: #ifdef __STDC__
1.52 cvs 1499: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1500: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 1501: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1502: #else
1.52 cvs 1503: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1.88 cvs 1504: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1505: int docid;
1506: char *urlName;
1507: char *postString;
1508: char *outputfile;
1509: int mode;
1510: TIcbf *incremental_cbf;
1511: void *context_icbf;
1512: TTcbf *terminate_cbf;
1513: void *context_tcbf;
1514: boolean error_html;
1.88 cvs 1515: char *content_type;
1.4 cvs 1516: #endif
1517: {
1518: AHTReqContext *me;
1519: char *ref;
1.107 cvs 1520: int status, l;
1.7 cvs 1521:
1.112 cvs 1522: if (urlName == NULL || outputfile == NULL) {
1.69 cvs 1523: /* no file to be loaded */
1524: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1525:
1526: if (error_html)
1527: /* so we can show the error message */
1528: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 1529: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.111 cvs 1530: context_tcbf, -1);
1.69 cvs 1531: return HT_ERROR;
1532: }
1.7 cvs 1533:
1.4 cvs 1534: /* do we support this protocol? */
1.69 cvs 1535: if (IsValidProtocol (urlName) == NO) {
1536: /* return error */
1537: outputfile[0] = EOS; /* file could not be opened */
1538: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1539:
1540: if (error_html)
1541: /* so we can show the error message */
1542: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 1543: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.111 cvs 1544: context_tcbf, -1);
1.69 cvs 1545: return HT_ERROR;
1546: }
1.4 cvs 1547:
1.58 cvs 1548: /*create a tempfilename */
1.59 cvs 1549: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1550:
1551: /* update the object_counter */
1552: object_counter++;
1553: /* normalize the URL */
1.45 cvs 1554: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1555: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1556: if (ref == (char*) NULL || ref[0] == EOS) {
1557: /*error */
1558: outputfile[0] = EOS;
1559: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1560:
1561: if (error_html)
1562: /* so we can show the error message */
1563: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 1564: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.111 cvs 1565: context_tcbf, -1);
1.69 cvs 1566: return HT_ERROR;
1567: }
1.4 cvs 1568: /* verify if that file name existed */
1.9 cvs 1569: if (TtaFileExist (outputfile))
1.77 cvs 1570: TtaFileUnlink (outputfile);
1.4 cvs 1571:
1572: /* Initialize the request structure */
1573: me = AHTReqContext_new (docid);
1.69 cvs 1574: if (me == NULL) {
1.77 cvs 1575: outputfile[0] = EOS;
1576: /* need an error message here */
1577: TtaFreeMemory (ref);
1.99 cvs 1578: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.111 cvs 1579: context_tcbf, -1);
1.99 cvs 1580: return HT_ERROR;
1.69 cvs 1581: }
1.77 cvs 1582:
1.4 cvs 1583: /* Specific initializations for POST and GET */
1.69 cvs 1584: if (mode & AMAYA_FORM_POST) {
1.77 cvs 1585: me->method = METHOD_POST;
1586: if (postString) {
1587: me->block_size = strlen (postString);
1.99 cvs 1588: me->mem_ptr = TtaStrdup (postString);
1.77 cvs 1589: } else {
1590: me->mem_ptr = "";
1591: me->block_size = 0;
1592: }
1593: HTRequest_setMethod (me->request, METHOD_POST);
1.69 cvs 1594: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1595: } else {
1.77 cvs 1596: me->method = METHOD_GET;
1597: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1598: if (!HasKnownFileSuffix (ref))
1599: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.69 cvs 1600: }
1.93 cvs 1601:
1.4 cvs 1602: /* Common initialization */
1603: me->mode = mode;
1604: me->error_html = error_html;
1605: me->incremental_cbf = incremental_cbf;
1606: me->context_icbf = context_icbf;
1607: me->terminate_cbf = terminate_cbf;
1608: me->context_tcbf = context_tcbf;
1.64 cvs 1609:
1.69 cvs 1610: /* for the async. request modes, we need to have our
1.4 cvs 1611: own copy of outputfile and urlname
1612: */
1613:
1.69 cvs 1614: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1.107 cvs 1615: l = strlen (outputfile);
1616: if (l > MAX_LENGTH)
1617: me->outputfile = TtaGetMemory (l + 2);
1618: else
1619: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
1.104 cvs 1620: strcpy (me->outputfile, outputfile);
1.107 cvs 1621: l = strlen (urlName);
1622: if (l > MAX_LENGTH)
1623: me->urlName = TtaGetMemory (l + 2);
1624: else
1625: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
1.104 cvs 1626: strcpy (me->urlName, urlName);
1.69 cvs 1627: # ifdef _WINDOWS
1628: HTRequest_setPreemptive (me->request, NO);
1629: } else {
1.77 cvs 1630: me->outputfile = outputfile;
1631: me->urlName = urlName;
1632: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1633: }
1.99 cvs 1634: # else /* !_WINDOWS */
1.69 cvs 1635: } else {
1.77 cvs 1636: me->outputfile = outputfile;
1637: me->urlName = urlName;
1.99 cvs 1638: me->content_type = content_type;
1.61 cvs 1639: }
1.77 cvs 1640: /***
1.57 cvs 1641: Change for taking into account the stop button:
1642: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1643: we will loop until the document has been received or a stop signal
1644: generated
1.77 cvs 1645: ****/
1646: HTRequest_setPreemptive (me->request, NO);
1.69 cvs 1647: # endif /* _WINDOWS */
1.61 cvs 1648:
1649: /* prepare the URLname that will be displayed in teh status bar */
1650: ChopURL (me->status_urlName, me->urlName);
1651:
1.77 cvs 1652: TtaSetStatus (me->docid, 1,
1653: TtaGetMessage (AMAYA, AM_FETCHING),
1654: me->status_urlName);
1.4 cvs 1655:
1656: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1657: TtaFreeMemory (ref);
1.4 cvs 1658:
1.69 cvs 1659: if (mode & AMAYA_FORM_POST) {
1660: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1661: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1662: HTRequest_setEntityAnchor (me->request, me->anchor);
1663:
1664: status = HTLoadAbsolute (urlName, me->request);
1665: } else
1.77 cvs 1666: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.99 cvs 1667:
1668: if (status == HT_ERROR && me->reqStatus == HT_NEW)
1.100 cvs 1669: {
1670: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.111 cvs 1671: context_tcbf, -1);
1.100 cvs 1672: }
1.69 cvs 1673:
1.72 cvs 1674: #ifndef _WINDOWS
1.77 cvs 1675: if (status == HT_ERROR ||
1676: me->reqStatus == HT_END ||
1677: me->reqStatus == HT_ERR)
1678: {
1679: /* in case of error, free all allocated memory and exit */
1.96 cvs 1680: if (me->output && me->output != stdout) {
1.85 cvs 1681: #ifdef DEBUG_LIBWWW
1.96 cvs 1682: fprintf (stderr, "GetObjectWWW:: URL is %s, closing "
1.85 cvs 1683: "FILE %p\n", me->urlName, me->output);
1684: #endif
1.77 cvs 1685: fclose (me->output);
1.82 cvs 1686: me->output = NULL;
1687: }
1688:
1.99 cvs 1689: if (me->reqStatus == HT_ERR) {
1.77 cvs 1690: status = HT_ERROR;
1691: /* show an error message on the status bar */
1692: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1693: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->
1694: status_urlName);
1.72 cvs 1695: } else
1.77 cvs 1696: status = HT_OK;
1.72 cvs 1697:
1698: AHTReqContext_delete (me);
1.77 cvs 1699: } else {
1.72 cvs 1700: /* part of the stop button handler */
1701: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1702: status = LoopForStop (me);
1703: AHTReqContext_delete (me);
1704: }
1705: }
1706: #else /* !_WINDOWS */
1707:
1.90 cvs 1708: if (status == HT_ERROR ||
1709: me->reqStatus == HT_ERROR)
1710: {
1711: status = HT_ERROR;
1.71 cvs 1712:
1.90 cvs 1713: /* in case of error, close any open files, free all allocated
1714: memory and exit */
1715: if (me->output && me->output != stdout)
1716: {
1.85 cvs 1717: #ifdef DEBUG_LIBWWW
1.90 cvs 1718: fprintf (stderr, "GetObjectWWW: URL is %s, closing "
1719: "FILE %p\n", me->urlName, me->output);
1.85 cvs 1720: #endif
1.90 cvs 1721: fclose (me->output);
1722: me->output = NULL;
1723: }
1.85 cvs 1724:
1.90 cvs 1725: if (me->reqStatus == HT_ERR)
1726: {
1727: /* show an error message on the status bar */
1728: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1729: TtaSetStatus (me->docid, 1,
1730: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1731: me->status_urlName);
1732: }
1733: }
1734: else
1735: {
1736: status = HT_OK;
1737: }
1738:
1.93 cvs 1739: /* part of the stop button handler */
1740: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1741: {
1742: if (HTRequest_net (me->request))
1743: HTRequest_kill (me->request);
1744: else
1745: AHTReqContext_delete (me);
1746: }
1.4 cvs 1747:
1.72 cvs 1748: #endif /* !_WINDOWS */
1749:
1.4 cvs 1750: return (status);
1751: }
1752:
1.5 cvs 1753: /*----------------------------------------------------------------------
1.17 cvs 1754: PutObjectWWW
1755: frontend for uploading a resource to a URL. This function downloads
1756: a file to be uploaded into memory, it then calls UploadMemWWW to
1757: finish the job.
1758:
1.5 cvs 1759: 2 upload modes are proposed:
1760: AMAYA_SYNC : blocking mode
1761: AMAYA_ASYNC : non-blocking mode
1762:
1.4 cvs 1763: When the function is called with the SYNC mode, the function will
1764: return only when the file has been uploaded.
1765: The ASYNC mode will immediately return after setting up the
1766: call. Furthermore, at the end of an upload, the ASYNC mode will
1767: call back terminate_cbf, handling it the context defined in
1768: context_tcbf.
1769:
1770: Notes:
1771: At the end of a succesful request, the urlName string contains the
1772: name of the actually uploaded URL. As a URL can change over the time,
1773: (e.g., be redirected elsewhere), it is advised that the function
1774: caller verifies the value of the urlName variable at the end of
1775: a request.
1776:
1777: Inputs:
1778: - docid Document identifier for the set of objects being
1779: retrieved.
1780: - fileName A pointer to the local file to upload
1781: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1782: - mode The retrieval mode.
1783: - terminate_cbf
1784: - context_icbf
1785: Callback and context for a terminate handler
1786:
1787: Outputs:
1788: - urlName The URL that was uploaded
1789:
1790: Returns:
1791: HT_ERROR
1792: HT_OK
1.5 cvs 1793: ----------------------------------------------------------------------*/
1.4 cvs 1794: #ifdef __STDC__
1.27 cvs 1795: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1796: TTcbf * terminate_cbf, void *context_tcbf)
1797: #else
1.26 cvs 1798: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1799: ,terminate_cbf, context_tcbf)
1800: int docid;
1801: char *urlName;
1802: char *fileName;
1803: int mode;
1.27 cvs 1804: PicType contentType;
1.4 cvs 1805: TTcbf *terminate_cbf;
1806: void *context_tcbf;
1807:
1808: #endif
1809: {
1.7 cvs 1810: /*AHTReqContext *me; */
1.4 cvs 1811: int status;
1812:
1813: int fd;
1814: struct stat file_stat;
1815: char *mem_ptr;
1816: unsigned long block_size;
1817:
1.33 cvs 1818: AmayaLastHTTPErrorMsg [0] = EOS;
1819:
1.4 cvs 1820: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1821: !TtaFileExist (fileName))
1.4 cvs 1822: /* no file to be uploaded */
1823: return HT_ERROR;
1824:
1825: /* do we support this protocol? */
1.7 cvs 1826: if (IsValidProtocol (urlName) == NO)
1827: {
1828: /* return error */
1.77 cvs 1829: TtaSetStatus (docid, 1,
1830: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 1831: urlName);
1832: return HT_ERROR;
1833: }
1.4 cvs 1834: /* read the file into memory */
1.70 cvs 1835: # ifndef _WINDOWS
1.7 cvs 1836: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1837: # else /* _WINDOWS */
1.74 cvs 1838: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.70 cvs 1839: # endif /* _WINDOWS */
1.7 cvs 1840: {
1841: /* if we could not open the file, exit */
1842: /*error msg here */
1843: return (HT_ERROR);
1844: }
1.4 cvs 1845:
1846: fstat (fd, &file_stat);
1847:
1.7 cvs 1848: if (file_stat.st_size == 0)
1849: {
1850: /* file was empty */
1851: /*errmsg here */
1852: close (fd);
1853: return (HT_ERROR);
1854: }
1.4 cvs 1855: block_size = file_stat.st_size;
1856:
1857: if (THD_TRACE)
1858: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1859:
1860: mem_ptr = (char *) TtaGetMemory (block_size);
1861:
1.7 cvs 1862: if (mem_ptr == (char *) NULL)
1863: {
1864: /* could not allocate enough memory */
1865: /*errmsg here */
1866: close (fd);
1867: return (HT_ERROR);
1868: }
1.4 cvs 1869: read (fd, mem_ptr, block_size);
1870:
1871: close (fd);
1872:
1.27 cvs 1873: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1874: block_size, mode, terminate_cbf,
1875: context_tcbf, (char *) NULL);
1876:
1877: TtaFreeMemory (mem_ptr);
1.28 cvs 1878: TtaHandlePendingEvents ();
1.4 cvs 1879: return (status);
1880: }
1881:
1.5 cvs 1882: /*----------------------------------------------------------------------
1.17 cvs 1883: UploadMemWWW
1884: low level interface function to libwww for uploading a block of
1885: memory to a URL.
1.5 cvs 1886: ----------------------------------------------------------------------*/
1.4 cvs 1887: #ifdef __STDC__
1888: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1889: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1890: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1891: char *outputfile)
1892: #else
1.27 cvs 1893: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1894: terminate_cbf, context_tcbf, outputfile)
1895: int docid;
1896: HTMethod method;
1897: char *urlName;
1.27 cvs 1898: PicType contentType;
1.4 cvs 1899: char *mem_ptr;
1900: usigned long block_size;
1901: int mode;
1902: TTcbf *terminate_cbf;
1903: void *context_tcbf;
1904: char *outputfile;
1.7 cvs 1905:
1.4 cvs 1906: #endif
1907: {
1908: AHTReqContext *me;
1909: int status;
1910:
1911: if (mem_ptr == (char *) NULL ||
1912: block_size == 0 ||
1913: docid == 0 ||
1.7 cvs 1914: urlName == (char *) NULL)
1915: {
1916: /* nothing to be uploaded */
1917: return HT_ERROR;
1918: }
1.4 cvs 1919:
1920: /* Initialize the request structure */
1921: me = AHTReqContext_new (docid);
1922:
1.7 cvs 1923: if (me == NULL)
1924: {
1925: /* need an error message here */
1926: TtaHandlePendingEvents ();
1927: return (HT_ERROR);
1928: }
1.4 cvs 1929: me->mode = mode;
1930:
1931: me->incremental_cbf = (TIcbf *) NULL;
1932: me->context_icbf = (void *) NULL;
1933: me->terminate_cbf = terminate_cbf;
1934: me->context_tcbf = context_tcbf;
1935:
1936: me->output = stdout;
1937: me->outputfile = (char *) NULL;
1938: me->urlName = urlName;
1939:
1.70 cvs 1940: #ifdef _WINDOWS
1941: HTRequest_setPreemptive (me->request, YES);
1942: #else
1.4 cvs 1943: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1944: #endif /* _WINDOWS */
1.74 cvs 1945:
1.17 cvs 1946: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1947: me->method = METHOD_PUT;
1948: HTRequest_setMethod (me->request, METHOD_PUT);
1949: me->output = stdout;
1.17 cvs 1950: /* we are not expecting to receive any input from the server */
1951: me->outputfile = (char *) NULL;
1.4 cvs 1952:
1953: me->mem_ptr = mem_ptr;
1954: me->block_size = block_size;
1.17 cvs 1955:
1956: /* set the callback which will actually copy data into the
1957: output stream */
1958:
1.4 cvs 1959: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.72 cvs 1960:
1.4 cvs 1961: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1962:
1.28 cvs 1963: /* Set the Content-Type of the file we are uploading */
1.77 cvs 1964: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1965: AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1966:
1.7 cvs 1967: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1968: HTRequest_setEntityAnchor (me->request, me->anchor);
1.74 cvs 1969: /* prepare the URLname that will be displayed in teh status bar */
1970: ChopURL (me->status_urlName, me->urlName);
1971: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1972: me->status_urlName);
1.4 cvs 1973: status = HTLoadAbsolute (urlName, me->request);
1974:
1.74 cvs 1975: #ifndef _WINDOWS
1.77 cvs 1976: if (status == HT_ERROR ||
1977: me->reqStatus == HT_END ||
1978: me->reqStatus == HT_ERR ||
1979: HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1980: {
1.17 cvs 1981: status = HT_ERROR;
1.28 cvs 1982: }
1.7 cvs 1983: else
1984: {
1985: /* part of the stop button handler */
1.4 cvs 1986:
1.7 cvs 1987: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1988: {
1989: status = LoopForStop (me);
1990: }
1.15 cvs 1991: }
1.90 cvs 1992: #else /* _WINDOWS */
1993: if (status == HT_ERROR ||
1994: me->reqStatus == HT_ERR) /* || Error_hasSeverity (HTRequest_error (me->request), ERR_INFO)) */
1995: status = HT_ERROR;
1996: else
1997: status = HT_OK;
1998: #endif /* _WINDOWS */
1999:
1.92 cvs 2000: if (HTRequest_net (me->request))
2001: {
2002: HTRequest_kill (me->request);
2003: }
1.93 cvs 2004: else
2005: AHTReqContext_delete (me);
1.4 cvs 2006: return (status);
1.28 cvs 2007: }
1.4 cvs 2008:
2009:
2010:
1.5 cvs 2011: /*----------------------------------------------------------------------
1.17 cvs 2012: Stop Request
2013: stops (kills) all active requests associated with a docid
1.5 cvs 2014: ----------------------------------------------------------------------*/
1.4 cvs 2015: #ifdef __STDC__
2016: void StopRequest (int docid)
2017: #else
2018: void StopRequest (docid)
2019: int docid;
2020: #endif
2021: {
2022: HTList *cur;
2023: AHTDocId_Status *docid_status;
2024: AHTReqContext *me;
1.84 cvs 2025: HTNet *reqNet;
2026: HTHost *reqHost;
1.85 cvs 2027: HTChannel *reqChannel;
2028: int reqSock;
1.108 cvs 2029: #ifdef DEBUG_LIBWWW
2030: int open_requests;
2031: #endif /* DEBUG_LIBWWW */
1.100 cvs 2032:
1.7 cvs 2033: if (Amaya)
2034: {
1.100 cvs 2035: #ifdef DEBUG_LIBWWW
2036: fprintf (stderr, "StopRequest: number of Amaya requests : %d\n", Amaya->open_requests);
2037: #endif /* DEBUG_LIBWWW */
2038:
1.7 cvs 2039: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 2040: Amaya->docid_status);
1.7 cvs 2041: /* verify if there are any requests at all associated with docid */
1.4 cvs 2042:
1.7 cvs 2043: if (docid_status == (AHTDocId_Status *) NULL)
2044: return;
1.4 cvs 2045:
1.108 cvs 2046: #ifdef DEBUG_LIBWWW
1.7 cvs 2047: open_requests = docid_status->counter;
1.108 cvs 2048: #endif /* DEBUG_LIBWWW */
1.4 cvs 2049:
1.85 cvs 2050: /* First, kill all pending requests */
2051: /* We first inhibit the activation of pending requests */
2052: HTHost_disable_PendingReqLaunch ();
2053: cur = Amaya->reqlist;
2054: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2055: {
2056: if (me->docid == docid && me->reqStatus == HT_NEW)
2057: {
2058: reqNet = HTRequest_net (me->request);
2059: reqSock = HTNet_socket (reqNet);
2060: reqChannel = HTChannel_find(reqSock);
2061: reqHost = HTChannel_host (reqChannel);
1.95 cvs 2062:
2063: /* If we have an ASYNC request, we kill it.
2064: ** If it's a SYNC request, we just mark it as aborted
2065: */
2066: me->reqStatus = HT_ABORT;
1.110 cvs 2067: if (((me->mode & AMAYA_IASYNC)
2068: || (me->mode & AMAYA_ASYNC))
1.108 cvs 2069: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2070: {
2071: if (HTRequest_net (me->request))
2072: /* delete the libwww request context */
2073: HTRequest_kill (me->request);
1.96 cvs 2074: #ifndef _WINDOWS
2075: /* delete the Amaya request context */
2076: AHTReqContext_delete (me);
1.108 cvs 2077: #endif /* !_WINDOWS */
1.96 cvs 2078: cur = Amaya->reqlist;
1.108 cvs 2079: #ifdef DEBUG_LIBWWW
2080: /* update the number of open requests */
2081: open_requests--;
2082: #endif /* DEBUG_LIBWWW */
1.85 cvs 2083: }
1.108 cvs 2084:
1.85 cvs 2085: if (HTHost_isIdle (reqHost) ) {
2086: #ifdef DEBUG_LIBWWW
2087: fprintf (stderr, "Host is idle, killing socket %d\n",
1.95 cvs 2088: reqSock);
1.85 cvs 2089: #endif /* DEBUG_LIBWWW */
2090:
2091: HTEvent_unregister (reqSock, FD_ALL);
2092: HTEvent_register(reqSock, NULL, (SockOps) FD_READ,
2093: HTHost_catchClose, HT_PRIORITY_MAX);
1.108 cvs 2094: NETCLOSE (reqSock);
1.85 cvs 2095: /*
2096: if (reqChannel && reqHost)
2097: HTHost_clearChannel(reqHost, HT_OK);
2098: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
2099: */
2100: }
2101: }
2102: }
2103: /* enable the activation of pending requests */
2104: HTHost_enable_PendingReqLaunch ();
2105:
2106: cur = Amaya->reqlist;
1.7 cvs 2107: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2108: {
2109: if (me->docid == docid)
2110: {
1.93 cvs 2111: /* kill this request */
1.85 cvs 2112:
1.93 cvs 2113: switch (me->reqStatus)
2114: {
2115: case HT_ABORT:
1.108 cvs 2116: #ifdef DEBUG_LIBWWW
2117: fprintf (stderr, "Stop: url %s says abort", me->urlName);
2118: #endif /* DEBUG_LIBWWW */
1.93 cvs 2119: break;
1.100 cvs 2120:
2121: case HT_END:
1.108 cvs 2122: #ifdef DEBUG_LIBWWW
2123: fprintf (stderr, "Stop: url %s says end", me->urlName);
2124: #endif /* DEBUG_LIBWWW */
1.100 cvs 2125: break;
2126:
1.93 cvs 2127: case HT_BUSY:
2128: me->reqStatus = HT_ABORT;
1.108 cvs 2129: #ifdef DEBUG_LIBWWW
2130: fprintf (stderr, "Stop: url %s going from busy to abort\n", me->urlName);
2131: #endif /* DEBUG_LIBWWW */
1.93 cvs 2132: break;
1.96 cvs 2133:
1.93 cvs 2134: case HT_NEW_PENDING:
2135: case HT_WAITING:
2136: default:
1.108 cvs 2137: #ifdef DEBUG_LIBWWW
2138: fprintf (stderr, "Stop: url %s says NEW_PENDING, WAITING", me->urlName);
2139: #endif /* DEBUG_LIBWWW */
1.93 cvs 2140: me->reqStatus = HT_ABORT;
2141:
1.70 cvs 2142: # ifndef _WINDOWS
1.93 cvs 2143: RequestKillAllXtevents (me);
1.74 cvs 2144: # endif _WINDOWS
1.96 cvs 2145:
1.93 cvs 2146: reqNet = HTRequest_net (me->request);
2147: reqSock = HTNet_socket (reqNet);
2148: reqChannel = HTChannel_find(reqSock);
2149: reqHost = HTChannel_host (reqChannel);
1.96 cvs 2150:
1.110 cvs 2151: if (((me->mode & AMAYA_IASYNC)
2152: || (me->mode & AMAYA_ASYNC))
1.108 cvs 2153: && !(me->mode & AMAYA_ASYNC_SAFE_STOP))
2154: {
1.96 cvs 2155: if (HTRequest_net (me->request))
1.108 cvs 2156: /* delete the libwww request context */
1.96 cvs 2157: HTRequest_kill (me->request);
2158: #ifndef _WINDOWS
1.108 cvs 2159: /* delete the Amaya request context */
2160: AHTReqContext_delete (me);
2161: #endif /* !_WINDOWS */
1.96 cvs 2162: cur = Amaya->reqlist;
1.108 cvs 2163: #ifdef DEBUG_LIBWWW
2164: /* update the number of open requests */
2165: open_requests--;
2166: #endif /* DEBUG_LIBWWW */
2167: }
1.95 cvs 2168:
1.93 cvs 2169: /* if there are no more requests, then close
2170: the connection */
2171:
2172: if (HTHost_isIdle (reqHost) ) {
1.85 cvs 2173: #ifdef DEBUG_LIBWWW
1.93 cvs 2174: fprintf (stderr, "Host is idle, "
2175: "killing socket %d\n",
2176: reqSock);
1.85 cvs 2177: #endif /* DEBUG_LIBWWW */
1.93 cvs 2178: HTEvent_unregister (reqSock, FD_ALL);
2179: HTEvent_register(reqSock,
2180: NULL,
2181: (SockOps) FD_READ,
2182: HTHost_catchClose,
2183: HT_PRIORITY_MAX);
1.108 cvs 2184: NETCLOSE (reqSock);
1.93 cvs 2185: HTHost_clearChannel (reqHost, HT_ERROR);
2186: /*
2187: if (reqChannel && reqHost)
2188: HTHost_clearChannel(reqHost, HT_OK);
2189: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
2190: */
1.85 cvs 2191: #ifdef DEBUG_LIBWWW
1.93 cvs 2192: fprintf (stderr, "After killing, "
2193: "HTHost_isIdle gives %d\n",
2194: HTHost_isIdle (reqHost));
1.85 cvs 2195: #endif /* DEBUG_LIBWWW */
1.93 cvs 2196: }
1.108 cvs 2197: #ifdef DEBUG_LIBWWW
1.93 cvs 2198: open_requests--;
1.108 cvs 2199: #endif /* DEBUG_LIBWWW */
1.93 cvs 2200: break;
2201:
2202: } /* switch */
1.7 cvs 2203: } /* if me docid */
2204: } /* while */
1.100 cvs 2205:
2206: #ifdef DEBUG_LIBWWW
2207: fprintf (stderr, "StopRequest: number of Amaya requests : %d\n", Amaya->open_requests);
2208: #endif /* DEBUG_LIBWWW */
2209:
1.7 cvs 2210: } /* if amaya open requests */
1.93 cvs 2211:
1.85 cvs 2212: } /* StopRequest */
1.17 cvs 2213:
2214: /*
2215: end of Module query.c
2216: */
2217:
1.105 cvs 2218: /*----------------------------------------------------------------------
2219: AmayaIsAlive
2220: returns the status of the AmayaAlive flag
2221: ----------------------------------------------------------------------*/
2222: #ifdef __STDC__
2223: boolean AmayaIsAlive (void)
2224: #else
2225: boolean AmayaIsAlive ()
2226: #endif /* _STDC_ */
2227: {
2228: return AmayaAlive;
2229: }
1.69 cvs 2230: #endif /* AMAYA_JAVA */
1.77 cvs 2231:
2232:
1.17 cvs 2233:
2234:
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