Annotation of Amaya/amaya/query.c, revision 1.87
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
1.75 cvs 14: * R. Guetari/J. Kahan 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 */
1.24 cvs 85: static boolean AmayaIsAlive;
1.4 cvs 86:
1.15 cvs 87: #include "answer_f.h"
88: #include "query_f.h"
89: #include "AHTURLTools_f.h"
90: #include "AHTBridge_f.h"
91: #include "AHTMemConv_f.h"
92: #include "AHTFWrite_f.h"
1.4 cvs 93:
1.70 cvs 94: #ifdef _WINDOWS
95: #ifdef __STDC__
96: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
97: #else
98: int WIN_Activate_Request ();
99: #endif /* __STDC__ */
100: #endif /* _WINDOWS */
1.15 cvs 101:
102: /*----------------------------------------------------------------------
1.17 cvs 103: GetDocIdStatus
104: gets the status associated to a docid
1.15 cvs 105: ----------------------------------------------------------------------*/
106: #ifdef __STDC__
107: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
108: #else
109: AHTDocID_Status *GetDocIdStatus (docid, documents)
110: int docid;
111: HTList *documents;
112:
113: #endif
114: {
115: AHTDocId_Status *me;
116: HTList *cur;
117:
118: if (documents)
119: {
120: cur = documents;
121:
122: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
123: {
124: if (me->docid == docid)
125: return (me);
1.18 cvs 126: }
127: }
1.15 cvs 128: return (AHTDocId_Status *) NULL;
129:
130: }
131:
1.5 cvs 132: /*----------------------------------------------------------------------
1.27 cvs 133: AHTGuessAtom_for
134: Converts an Amaya type descriptor into the equivalent MIME type.
135: ----------------------------------------------------------------------*/
136: #ifdef __STDC__
137: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
138: #else
139: static HTAtom *AHTGuessAtom_for (urlName, contentType)
140: char *urlName;
141: PicType contentType;
142: #endif
143: {
144: HTAtom *atom;
145: char *filename;
146: HTEncoding enc;
147: HTEncoding cte;
148: HTLanguage lang;
1.50 cvs 149: double quality = 1.0;
1.27 cvs 150:
151: switch (contentType)
152: {
153: case xbm_type:
154: atom = HTAtom_for("image/xbm");
155: break;
156: case eps_type:
1.35 cvs 157: atom = HTAtom_for("application/postscript");
1.27 cvs 158: break;
159: case xpm_type:
160: atom = HTAtom_for("image/xpm");
161: break;
162: case gif_type:
163: atom = HTAtom_for("image/gif");
164: break;
165: case jpeg_type:
166: atom = HTAtom_for("image/jpeg");
167: break;
168: case png_type:
169: atom = HTAtom_for("image/png");
170: break;
171: case unknown_type:
172: default:
173: /*
174: ** Amaya could not detect the type, so
175: ** we try to use the filename's suffix to do so.
176: */
1.45 cvs 177: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 178: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 179: TtaFreeMemory (filename);
1.27 cvs 180: if (atom == WWW_UNKNOWN)
181: /*
182: ** we could not identify the suffix, so we assign it
183: ** a default type
184: */
185: atom = HTAtom_for ("text/html");
186: break;
187: }
188:
189: return atom;
190: }
191:
192: /*----------------------------------------------------------------------
1.17 cvs 193: AHTReqContext_new
194: create a new Amaya Context Object and update the global Amaya
195: request status.
1.5 cvs 196: ----------------------------------------------------------------------*/
1.4 cvs 197: #ifdef __STDC__
198: static AHTReqContext *AHTReqContext_new (int docid)
199: #else
200: static AHTReqContext *AHTReqContext_new (docid)
201: int docid;
202:
203: #endif
204: {
205: AHTReqContext *me;
206: AHTDocId_Status *docid_status;
207:
208: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
209: outofmem (__FILE__, "Context_new");
210:
1.81 cvs 211: /* Bind the Context object together with the Request Object */
212: me->request = HTRequest_new ();
213:
1.80 cvs 214: /* clean the associated file structure) */
1.79 cvs 215: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 216:
1.4 cvs 217: /* Initialize the other members of the structure */
1.17 cvs 218: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 219: me->output = NULL;
1.51 cvs 220: # ifndef _WINDOWS
1.4 cvs 221: me->read_xtinput_id = (XtInputId) NULL;
222: me->write_xtinput_id = (XtInputId) NULL;
223: me->except_xtinput_id = (XtInputId) NULL;
1.51 cvs 224: # endif
1.4 cvs 225: me->docid = docid;
226: HTRequest_setMethod (me->request, METHOD_GET);
227: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
228: HTRequest_setContext (me->request, me);
229: me->read_ops = 0;
230: me->write_ops = 0;
231: me->except_ops = 0;
1.36 cvs 232: /* experimental */
233: me->read_sock = INVSOC;
234: me->write_sock = INVSOC;
235: me->except_sock = INVSOC;
1.4 cvs 236:
237: /* Update the global context */
238: HTList_appendObject (Amaya->reqlist, (void *) me);
239:
240: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
241:
1.7 cvs 242: if (docid_status == NULL)
243: {
244: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
245: docid_status->docid = docid;
246: docid_status->counter = 1;
247: HTList_addObject (Amaya->docid_status, (void *) docid_status);
248: }
249: else
1.4 cvs 250: docid_status->counter++;
251:
252:
253: Amaya->open_requests++;
254:
255: /* error stream handling */
256: me->error_stream = (char *) NULL;
257: me->error_stream_size = 0;
1.74 cvs 258:
259: #ifdef DEBUG_LIBWWW
260: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
261: #endif
1.4 cvs 262: return me;
1.74 cvs 263:
1.4 cvs 264: }
265:
1.5 cvs 266: /*----------------------------------------------------------------------
1.17 cvs 267: AHTReqContext_delete
268: Delete an Amaya Context Object and update the global Amaya request
269: status.
1.5 cvs 270: ----------------------------------------------------------------------*/
1.4 cvs 271:
272: #ifdef __STDC__
1.15 cvs 273: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 274: #else
1.15 cvs 275: boolean AHTReqContext_delete (me)
1.4 cvs 276: AHTReqContext *me;
277:
278: #endif
279: {
280: AHTDocId_Status *docid_status;
281:
1.7 cvs 282: if (me)
283: {
1.4 cvs 284:
1.74 cvs 285: #ifdef DEBUG_LIBWWW
286: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
287: #endif
288:
1.7 cvs 289: if (Amaya->reqlist)
290: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 291:
1.7 cvs 292: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 293:
1.7 cvs 294: if (docid_status)
295: {
296: docid_status->counter--;
297:
298: if (docid_status->counter == 0)
299: {
300: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
301: TtaFreeMemory ((void *) docid_status);
302: }
303: }
1.79 cvs 304:
305: if (HTRequest_outputStream (me->request))
306: AHTFWriter_FREE (me->request->output_stream);
307:
1.7 cvs 308: HTRequest_delete (me->request);
1.85 cvs 309:
310: if (me->output)
311: {
312: #ifdef DEBUG_LIBWWW
313: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
314: "FILE %p\n", me->urlName, me->output);
315: #endif
316: fclose (me->output);
317: me->output = NULL;
318: }
1.79 cvs 319:
1.7 cvs 320: if (me->error_stream != (char *) NULL)
1.70 cvs 321: HT_FREE (me->error_stream);
322: # ifndef _WINDOWS
323: # ifdef WWW_XWINDOWS
1.21 cvs 324: if (me->read_xtinput_id || me->write_xtinput_id ||
325: me->except_xtinput_id)
326: RequestKillAllXtevents(me);
1.70 cvs 327: # endif /* WWW_XWINDOWS */
328: # endif /* !_WINDOWS */
1.74 cvs 329:
330: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
331: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
332: or in PutObjectWWW */
333: {
1.79 cvs 334: if (me->urlName)
335: TtaFreeMemory (me->urlName);
336: if (me->outputfile)
337: TtaFreeMemory (me->outputfile);
1.74 cvs 338: }
339:
1.7 cvs 340: TtaFreeMemory ((void *) me);
1.4 cvs 341:
1.7 cvs 342: Amaya->open_requests--;
1.4 cvs 343:
1.15 cvs 344: return TRUE;
1.4 cvs 345:
1.7 cvs 346: }
1.15 cvs 347: return FALSE;
1.4 cvs 348: }
349:
350:
1.15 cvs 351: /*----------------------------------------------------------------------
352: AHTUpload_callback
1.17 cvs 353: callback handler for executing the PUT command
1.15 cvs 354: ----------------------------------------------------------------------*/
1.4 cvs 355: #ifdef __STDC__
356: static int AHTUpload_callback (HTRequest * request, HTStream * target)
357: #else
358: static int AHTUpload_callback (request, target)
359: HTRequest *request;
360: HTStream *target;
361:
362: #endif
363: {
364: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 365: HTParentAnchor *entity = HTRequest_entityAnchor (request);
366: int len = HTAnchor_length (entity);
1.4 cvs 367: int status;
368:
369: /* Send the data down the pipe */
1.7 cvs 370:
1.4 cvs 371: status = (*target->isa->put_block) (target, me->mem_ptr, len);
372:
1.7 cvs 373: if (status == HT_LOADED || status == HT_OK)
374: {
1.13 cvs 375: if (PROT_TRACE)
376: HTTrace ("Posting Data Target is SAVED\n");
377: (*target->isa->flush) (target);
378: return (HT_LOADED);
1.7 cvs 379: }
380: if (status == HT_WOULD_BLOCK)
381: {
382: if (PROT_TRACE)
383: HTTrace ("Posting Data Target WOULD BLOCK\n");
1.74 cvs 384: #ifdef _WINDOWS
385: return HT_CONTINUE;
386: #else
387: return HT_WOULD_BLOCK;
388: #endif /* _WINDOWS */
389:
1.7 cvs 390: return HT_WOULD_BLOCK;
391: }
392: else if (status == HT_PAUSE)
393: {
394: if (PROT_TRACE)
395: HTTrace ("Posting Data Target PAUSED\n");
396: return HT_PAUSE;
397: }
398: else if (status > 0)
399: { /* Stream specific return code */
400: if (PROT_TRACE)
401: HTTrace ("Posting Data. Target returns %d\n", status);
402: return status;
403: }
404: else
405: { /* we have a real error */
406: if (PROT_TRACE)
407: HTTrace ("Posting Data Target ERROR %d\n", status);
408: return status;
409: }
1.4 cvs 410: }
411:
1.5 cvs 412: /*----------------------------------------------------------------------
1.17 cvs 413: Thread_deleteAll
414: this function deletes the whole list of active threads.
1.5 cvs 415: ----------------------------------------------------------------------*/
1.4 cvs 416: #ifdef __STDC__
417: static void Thread_deleteAll (void)
418: #else
419: static void Thread_deleteAll ()
420: #endif
421: {
1.21 cvs 422: HTList *cur;
423: AHTReqContext *me;
424: AHTDocId_Status *docid_status;
425:
1.74 cvs 426: if (Amaya && Amaya->reqlist)
427: {
428: if (Amaya->open_requests > 0)
429: #ifdef DEBUG_LIBWWW
430: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
431: "requests\n", Amaya->open_requests);
432: #endif
433: {
434: cur = Amaya->reqlist;
435:
436: /* erase the requests */
437: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
438: {
439: if (me->request)
440: {
1.70 cvs 441: # ifndef _WINDOWS
1.74 cvs 442: RequestKillAllXtevents (me);
1.70 cvs 443: # endif /* !_WINDOWS */
1.87 ! cvs 444: HTRequest_kill (me->request);
1.74 cvs 445: AHTReqContext_delete (me);
446: }
447: } /* while */
448:
449: /* erase the docid_status entities */
450: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
451: TtaFreeMemory ((void *) docid_status);
452:
453: } /* if */
1.84 cvs 454:
1.74 cvs 455: }
1.4 cvs 456: }
457:
1.5 cvs 458: /*----------------------------------------------------------------------
1.83 cvs 459: AHTOpen_file
460: ----------------------------------------------------------------------*/
461: #ifdef __STDC__
1.85 cvs 462: int AHTOpen_file (HTRequest * request)
1.83 cvs 463: #else
1.85 cvs 464: int AHTOpen_file (request)
1.83 cvs 465: HTRequest *request;
466:
467: #endif /* __STDC__ */
468: {
469: AHTReqContext *me; /* current request */
470:
471: me = HTRequest_context (request);
472:
473: #ifdef DEBUG_LIBWWW
1.85 cvs 474: fprintf(stderr, "AHTOpen_file: start\n");
475: #endif /* DEBUG_LIBWWW */
476:
477: if (me->reqStatus == HT_ABORT)
478: {
479: #ifdef DEBUG_LIBWWW
480: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 481: #endif /* DEBUG_LIBWWW */
482:
1.85 cvs 483: return HT_OK;
484: }
485:
486: if (HTRequest_outputStream (me->request))
487: {
488:
489: #ifdef DEBUG_LIBWWW
490: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
491: #endif /* DEBUG_LIBWWW */
492: return HT_OK;
493: }
494:
495: #ifdef DEBUG_LIBWWW
496: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
497: #endif /* DEBUG_LIBWWW */
498:
1.83 cvs 499: if (!(me->output) &&
500: (me->output != stdout) &&
501: #ifndef _WINDOWS
502: (me->output = fopen (me->outputfile, "w")) == NULL)
503: {
504: #else
505: (me->output = fopen (me->outputfile, "wb")) == NULL)
506: {
507: #endif /* !_WINDOWS */
508:
509: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 510: #ifdef DEBUG_LIBWWW
511: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
512: #endif
1.83 cvs 513: TtaSetStatus (me->docid, 1,
514: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
515: me->outputfile);
516: me->reqStatus = HT_ERR;
517: return (HT_ERROR);
518: }
519:
520: HTRequest_setOutputStream (me->request,
521: AHTFWriter_new (me->request,
522: me->output, YES));
523: me->reqStatus = HT_WAITING;
524:
525: return HT_OK;
526: }
527:
528: /*----------------------------------------------------------------------
1.17 cvs 529: redirection_handler
530: this function is registered to handle permanent and temporary
531: redirections.
532: ----------------------------------------------------------------------*/
1.4 cvs 533: #ifdef __STDC__
1.7 cvs 534: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 535: #else
536: static int redirection_handler (request, context, status)
537: HTRequest *request;
538: HTResponse *response;
539: void *param;
540: int status;
541:
542: #endif
543: {
544:
545: char *ref;
546: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 547: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 548: HTMethod method = HTRequest_method (request);
549:
550:
1.7 cvs 551: if (!new_anchor)
552: {
553: if (PROT_TRACE)
554: HTTrace ("Redirection. No destination\n");
555: return HT_OK;
556: }
1.4 cvs 557:
558: /*
559: ** Only do redirect on GET and HEAD
560: */
1.7 cvs 561: if (!HTMethod_isSafe (method))
562: {
563: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
564:
565: if (prompt)
566: {
567: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
568: NULL, NULL, NULL) != YES)
569: return HT_ERROR;
570: }
571: }
1.4 cvs 572:
573: /*
574: ** Start new request with the redirect anchor found in the headers.
575: ** Note that we reuse the same request object which means that we must
576: ** keep this around until the redirected request has terminated. It also
577: ** allows us in an easy way to keep track of the number of redirections
578: ** so that we can detect endless loops.
579: */
1.17 cvs 580:
1.7 cvs 581: if (HTRequest_doRetry (request))
582: {
583: /* do we need to normalize the URL? */
584: if (strncmp (new_anchor->parent->address, "http:", 5))
585: {
586: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 587: ref = AmayaParseUrl (new_anchor->parent->address,
588: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 589: if (ref)
590: {
1.74 cvs 591: TtaFreeMemory (new_anchor->parent->address);
592: new_anchor->parent->address = ref;
1.7 cvs 593: }
594: }
595:
596: /* update the current file name */
1.21 cvs 597: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 598: {
1.74 cvs 599: strncpy (me->urlName, new_anchor->parent->address,
600: MAX_LENGTH - 1);
1.21 cvs 601: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 602: }
603: else
1.74 cvs 604: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 605:
1.38 cvs 606: ChopURL (me->status_urlName, me->urlName);
607:
1.7 cvs 608: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 609: me->status_urlName);
1.7 cvs 610:
611: /* Start request with new credentials */
1.64 cvs 612:
1.79 cvs 613: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 614: AHTFWriter_FREE (request->output_stream);
615: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 616: #ifdef DEBUG_LIBWWW
1.79 cvs 617: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 618: "FILE %p\n", me->urlName, me->output);
619: #endif
1.79 cvs 620: fclose (me->output);
621: me->output = NULL;
622: }
1.64 cvs 623: }
1.68 cvs 624:
1.69 cvs 625: me->reqStatus = HT_NEW; /* reset the status */
1.7 cvs 626: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 627: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 628: else
1.74 cvs 629: HTLoadAnchor (new_anchor, request);
1.7 cvs 630: }
631: else
1.68 cvs 632: {
1.74 cvs 633: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
634: NULL, 0, "HTRedirectFilter");
635: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
636: NULL);
637: if (me->error_html)
638: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
639: /* so that we can show the error message */
1.68 cvs 640: }
641:
1.4 cvs 642: /*
1.74 cvs 643: ** By returning HT_ERROR we make sure that this is the last handler to be
644: ** called. We do this as we don't want any other filter to delete the
645: ** request object now when we have just started a new one ourselves
646: */
1.4 cvs 647: return HT_ERROR;
648: }
649:
1.5 cvs 650: /*----------------------------------------------------------------------
1.17 cvs 651: terminate_handler
652: this function is registered to handle the result of the request
1.5 cvs 653: ----------------------------------------------------------------------*/
1.4 cvs 654: #if __STDC__
1.7 cvs 655: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 656: #else
657: static int terminate_handler (request, response, context, status)
658: HTRequest *request;
659: HTResponse *response;
660: void *context;
661: int status;
662: #endif
663: {
664: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.13 cvs 665: boolean error_flag;
1.4 cvs 666:
667: if (!me)
1.74 cvs 668: return HT_OK; /* not an Amaya request */
669:
1.80 cvs 670: /* if Amaya was killed, treat with this request as if it were
671: issued by a Stop button event */
672: if (!AmayaIsAlive)
673: me->reqStatus = HT_ABORT;
1.74 cvs 674:
1.77 cvs 675: if (status == HT_LOADED ||
676: status == HT_CREATED ||
1.79 cvs 677: status == HT_NO_DATA ||
678: me->reqStatus == HT_ABORT)
1.74 cvs 679: error_flag = FALSE;
1.13 cvs 680: else
1.74 cvs 681: error_flag = TRUE;
682:
1.4 cvs 683: /* output any errors from the server */
1.74 cvs 684:
1.77 cvs 685: /*
1.74 cvs 686: ** me->output = output file which will receive an html file
687: ** me->error_html = yes, output HTML errors in the screen
688: ** request->error_stack == if there are any errors, they will be here
689: ** me->error_stream_size If it's != 0 means an error message has already
690: ** been written to the stack
691: */
692:
1.4 cvs 693: /* First, we verify if there are any errors and if they are not
1.17 cvs 694: ** yet written to the error stack. If no, then let's try to write them
695: ** ourselves
696: */
1.74 cvs 697:
698: #ifdef DEBUG_LIBWWW
699: fprintf (stderr, "terminate_handler: URL is "
700: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
701: status);
1.69 cvs 702: #endif
1.74 cvs 703:
1.69 cvs 704: if (me->output && me->output != stdout)
705: {
1.74 cvs 706: /* we are writing to a file */
707: if (me->reqStatus != HT_ABORT)
708: { /* if the request was not aborted and */
1.80 cvs 709: if (error_flag &&
710: me->error_html == TRUE)
711: /* there were some errors and we want to print them */
712: {
713: if (me->error_stream_size == 0)/* and the stream is empty */
714: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 715: **the error stack
1.77 cvs 716: ** into the error stream */
1.80 cvs 717: if (me->error_stream)
718: { /* if the stream is non-empty */
719: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 720: /* Clear the error context, so that we can deal with
721: this answer as if it were a normal reply */
722: HTError_deleteAll( HTRequest_error (request));
723: HTRequest_setError (request, NULL);
724: error_flag = 0;
1.74 cvs 725: }
726: } /* if error_stack */
1.85 cvs 727: }
728:
729: /* if != HT_ABORT */
730:
731: #ifdef DEBUG_LIBWWW
732: fprintf (stderr, "terminate_handler: URL is %s, closing "
733: "FILE %p\n", me->urlName, me->output);
734: #endif
1.74 cvs 735: fclose (me->output);
736: me->output = NULL;
1.69 cvs 737: }
1.80 cvs 738:
1.74 cvs 739:
1.80 cvs 740: if (error_flag)
741: me->reqStatus = HT_ERR;
742: else if (me->reqStatus != HT_ABORT)
743: me->reqStatus = HT_END;
744:
745: /* don't remove or Xt will hang up during the PUT */
746:
1.28 cvs 747: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
748: (me->method == METHOD_PUT)))
1.7 cvs 749: {
1.80 cvs 750: PrintTerminateStatus (me, status);
751:
752: }
753:
1.72 cvs 754: #ifdef _WINDOWS
1.80 cvs 755: /* Try to add this to AHTEventrg.c */
756: ProcessTerminateRequest (me);
757: #endif /* WINDOWS */
1.71 cvs 758:
759: return HT_OK;
1.4 cvs 760: }
761:
1.5 cvs 762: /*----------------------------------------------------------------------
1.17 cvs 763: AHTLoadTerminate_handler
1.74 cvs 764: this is an application "AFTER" Callback. It's called by the library
765: when a request has ended, so that we can setup the correct status.
1.5 cvs 766: ----------------------------------------------------------------------*/
1.4 cvs 767:
768: #ifdef __STDC__
1.7 cvs 769: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 770: #else
771: static int AHTLoadTerminate_handler (request, response, param, status)
772: HTRequest *request;
773: HTResponse *response;
774: void *param;
775: int status;
1.69 cvs 776:
1.4 cvs 777: #endif
778: {
779: AHTReqContext *me = HTRequest_context (request);
780: HTAlertCallback *cbf;
781: AHTDocId_Status *docid_status;
782:
1.7 cvs 783: switch (status)
784: {
785: case HT_LOADED:
786: if (PROT_TRACE)
787: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 788: me->status_urlName);
1.4 cvs 789:
1.7 cvs 790: docid_status = GetDocIdStatus (me->docid,
791: Amaya->docid_status);
792:
793: if (docid_status != NULL && docid_status->counter > 1)
1.74 cvs 794: TtaSetStatus (me->docid, 1,
795: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
796: me->status_urlName);
1.7 cvs 797: break;
798:
799: case HT_NO_DATA:
800: if (PROT_TRACE)
1.74 cvs 801: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
802: me->status_urlName);
803: TtaSetStatus (me->docid, 1,
804: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 805: me->status_urlName);
1.7 cvs 806: break;
807:
808: case HT_INTERRUPTED:
809: if (PROT_TRACE)
1.74 cvs 810: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
811: me->status_urlName);
812: TtaSetStatus (me->docid, 1,
813: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
814: NULL);
1.7 cvs 815: break;
816:
817: case HT_RETRY:
818: if (PROT_TRACE)
819: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
820: HTResponse_retryTime (response));
1.74 cvs 821: TtaSetStatus (me->docid, 1,
822: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 823: me->status_urlName);
1.7 cvs 824: break;
825:
826: case HT_ERROR:
827:
828: cbf = HTAlert_find (HT_A_MESSAGE);
829: if (cbf)
830: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
831: HTRequest_error (request), NULL);
832: break;
833:
834: if (PROT_TRACE)
835: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.74 cvs 836: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
837: TtaSetStatus (me->docid, 1,
838: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 839: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 840: break;
841: default:
842: if (PROT_TRACE)
843: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
844: break;
845: }
846:
1.4 cvs 847: return HT_OK;
848: }
849:
1.27 cvs 850: /*----------------------------------------------------------------------
851: AHTAcceptTypesInit
1.74 cvs 852: This function prepares the Accept header used by Amaya during
853: the HTTP content negotiation phase
1.27 cvs 854: ----------------------------------------------------------------------*/
855: #ifdef __STDC__
856: static void AHTAcceptTypesInit (HTList *c)
857: #else /* __STDC__ */
858: static void AHTAcceptTypesInit (c)
859: HTList *c;
860: #endif /* __STDC__ */
861: {
862: if (c == (HTList *) NULL)
863: return;
864:
865: /* define here all the mime types that Amaya can accept */
866:
1.74 cvs 867: HTConversion_add (c, "image/png", "www/present",
868: HTThroughLine, 1.0, 0.0, 0.0);
869: HTConversion_add (c, "image/jpeg", "www/present",
870: HTThroughLine, 1.0, 0.0, 0.0);
871: HTConversion_add (c, "image/gif", "www/present",
872: HTThroughLine, 1.0, 0.0, 0.0);
873: HTConversion_add (c, "image/xbm", "www/present",
874: HTThroughLine, 1.0, 0.0, 0.0);
875: HTConversion_add (c, "image/xpm", "www/present",
876: HTThroughLine, 1.0, 0.0, 0.0);
877: HTConversion_add (c, "application/postscript",
878: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 879:
1.27 cvs 880: /* Define here the equivalences between MIME types and file extensions for
881: the types that Amaya can display */
882:
883: /* Register the default set of file suffix bindings */
884: HTFileInit ();
885:
886: /* Don't do any case distinction */
887: HTBind_caseSensitive (FALSE);
888: }
1.4 cvs 889:
1.5 cvs 890: /*----------------------------------------------------------------------
1.17 cvs 891: AHTConverterInit
892: Bindings between a source media type and a destination media type
893: (conversion).
1.5 cvs 894: ----------------------------------------------------------------------*/
1.15 cvs 895: #ifdef __STDC__
896: static void AHTConverterInit (HTList *c)
897: #else /* __STDC__ */
898: static void AHTConverterInit (c)
899: HTList *c;
900: #endif /* __STDC__ */
1.4 cvs 901: {
902:
903: /* Handler for custom http error messages */
1.7 cvs 904: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 905:
906: /*
907: ** These are converters that converts to something other than www/present,
908: ** that is not directly outputting someting to the user on the screen
909: */
910:
911: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
912: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
913: 1.0, 0.0, 0.0);
914: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
915: 1.0, 0.0, 0.0);
916: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
917: 1.0, 0.0, 0.0);
918: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
919: 1.0, 0.0, 0.0);
920:
921:
922: /*
923: ** The following conversions are converting ASCII output from various
924: ** protocols to HTML objects.
925: */
926: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
927: 1.0, 0.0, 0.0);
928: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
929: 1.0, 0.0, 0.0);
930: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
931: 1.0, 0.0, 0.0);
932:
933:
934: /*
935: ** We also register a special content type guess stream that can figure out
936: ** the content type by reading the first bytes of the stream
937: */
938: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
939: 1.0, 0.0, 0.0);
940:
941: /*
942: ** Register a persistent cache stream which can save an object to local
943: ** file
944: */
945: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
946: 1.0, 0.0, 0.0);
947:
948: /*
949: ** This dumps all other formats to local disk without any further
950: ** action taken
951: */
952: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
953: 0.3, 0.0, 0.0);
954:
955: }
956:
1.27 cvs 957:
1.15 cvs 958: /*----------------------------------------------------------------------
1.17 cvs 959: AHTProtocolInit
960: Registers all amaya supported protocols.
1.15 cvs 961: ----------------------------------------------------------------------*/
1.4 cvs 962: static void AHTProtocolInit (void)
963: {
964:
1.17 cvs 965: /*
1.74 cvs 966: NB. Preemptive == YES means Blocking requests
967: Non-preemptive == NO means Non-blocking requests
1.17 cvs 968: */
1.4 cvs 969:
1.63 cvs 970: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 971: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
972: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
973: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 974: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.17 cvs 975: #if 0 /* experimental code */
1.4 cvs 976: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
977: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
978: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
979: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
980: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 981: #endif
1.4 cvs 982: }
983:
1.15 cvs 984: /*----------------------------------------------------------------------
1.17 cvs 985: AHTNetInit
986: Reegisters "before" and "after" request filters.
1.15 cvs 987: ----------------------------------------------------------------------*/
1.4 cvs 988: static void AHTNetInit (void)
989: {
990:
991: /* Register BEFORE filters
1.74 cvs 992: ** The BEFORE filters handle proxies, caches, rule files etc.
993: ** The filters are called in the order by which the are registered
994: ** Not done automaticly - may be done by application!
995: */
996:
1.4 cvs 997:
1.74 cvs 998: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
999: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.85 cvs 1000: /* HTNet_addBefore (AHTOpen_file, NULL, NULL, 11); */
1001: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1002:
1003: /* register AFTER filters
1.74 cvs 1004: ** The AFTER filters handle error messages, logging, redirection,
1005: ** authentication etc.
1006: ** The filters are called in the order by which the are registered
1007: ** Not done automaticly - may be done by application!
1008: */
1.4 cvs 1009:
1.82 cvs 1010: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1011: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1012: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1013: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.51 cvs 1014: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1015: /* handles all errors */
1.7 cvs 1016: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1017: }
1018:
1.15 cvs 1019: /*----------------------------------------------------------------------
1.17 cvs 1020: AHTAlertInit
1021: Register alert messages and their callbacks.
1.15 cvs 1022: ----------------------------------------------------------------------*/
1023: #ifdef __STDC__
1024: static void AHTAlertInit (void)
1025: #else
1026: static void AHTAlertInit ()
1027: #endif
1028: {
1029: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1030: # ifndef _WINDOWS
1.83 cvs 1031: /* HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT); */
1.70 cvs 1032: # else /* _WINDOWS */
1033: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1034: # endif /* _WINDOWS */
1.15 cvs 1035: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1036: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1037: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1038: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1039: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1040: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1041: }
1042:
1043: /*----------------------------------------------------------------------
1.17 cvs 1044: AHTProfile_newAmaya
1045: creates the Amaya client profile for libwww.
1.15 cvs 1046: ----------------------------------------------------------------------*/
1047: #ifdef __STDC__
1048: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1049: #else /* __STDC__ */
1050: static void AHTProfile_newAmaya (AppName, AppVersion)
1051: char *AppName;
1052: char *AppVersion;
1053: #endif /* __STDC__ */
1.4 cvs 1054: {
1055: /* If the Library is not already initialized then do it */
1056: if (!HTLib_isInitialized ())
1057: HTLibInit (AppName, AppVersion);
1058:
1059: if (!converters)
1060: converters = HTList_new ();
1.27 cvs 1061: if (!acceptTypes)
1062: acceptTypes = HTList_new ();
1.4 cvs 1063: if (!encodings)
1064: encodings = HTList_new ();
1065:
1066: /* Register the default set of transport protocols */
1067: HTTransportInit ();
1068:
1069: /* Register the default set of application protocol modules */
1070: AHTProtocolInit ();
1071:
1072: /* Enable the persistent cache */
1073: /* HTCacheInit (NULL, 20); */
1074:
1075: /* Register the default set of BEFORE and AFTER filters */
1076: AHTNetInit ();
1077:
1078: /* Set up the default set of Authentication schemes */
1079: HTAAInit ();
1080:
1081: /* Get any proxy or gateway environment variables */
1082: HTProxy_getEnvVar ();
1083:
1084: /* Register the default set of converters */
1085: AHTConverterInit (converters);
1.27 cvs 1086: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1087: HTFormat_setConversion (converters);
1088:
1089: /* Register the default set of transfer encoders and decoders */
1090: HTEncoderInit (encodings); /* chunks ??? */
1091: HTFormat_setTransferCoding (encodings);
1092:
1093: /* Register the default set of MIME header parsers */
1.74 cvs 1094: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1095:
1096: /* Register the default set of Icons for directory listings */
1.27 cvs 1097: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1098:
1099: /* Register the default set of messages and dialog functions */
1100: AHTAlertInit ();
1101: HTAlert_setInteractive (YES);
1102: }
1103:
1.5 cvs 1104: /*----------------------------------------------------------------------
1.17 cvs 1105: AHTProfile_delete
1106: deletes the Amaya client profile.
1.5 cvs 1107: ----------------------------------------------------------------------*/
1.4 cvs 1108: #ifdef __STDC__
1109: static void AHTProfile_delete (void)
1110: #else
1111: static void AHTProfile_delete ()
1.7 cvs 1112: #endif /* __STDC__ */
1.4 cvs 1113: {
1.22 cvs 1114:
1115: /* free the Amaya global context */
1.74 cvs 1116: if (!converters)
1117: HTConversion_deleteAll (converters);
1118: if (!acceptTypes)
1119: HTConversion_deleteAll (acceptTypes);
1120: if (!encodings)
1121: HTCoding_deleteAll (encodings);
1122:
1123: HTList_delete (Amaya->docid_status);
1124: HTList_delete (Amaya->reqlist);
1125: TtaFreeMemory (Amaya);
1126: {
1.61 cvs 1127:
1.74 cvs 1128: if (HTLib_isInitialized ())
1129:
1.61 cvs 1130: # ifdef _WINDOWS
1131: HTEventTerminate ();
1132: # endif _WINDOWS;
1.74 cvs 1133:
1134: /* Clean up the persistent cache (if any) */
1135: HTCacheTerminate ();
1136:
1137: /* Clean up all the global preferences */
1138: HTFormat_deleteAll ();
1139:
1140: /* Terminate libwww */
1141: HTLibTerminate ();
1142: }
1.4 cvs 1143: }
1144:
1.5 cvs 1145: /*----------------------------------------------------------------------
1.17 cvs 1146: QueryInit
1147: initializes the libwww interface
1.5 cvs 1148: ----------------------------------------------------------------------*/
1.4 cvs 1149: #ifdef __STDC__
1150: void QueryInit ()
1151: #else
1152: void QueryInit ()
1153: #endif
1154: {
1155:
1.24 cvs 1156: AmayaIsAlive = TRUE;
1.4 cvs 1157: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1158:
1.69 cvs 1159: /* New AHTBridge stuff */
1.4 cvs 1160:
1.54 cvs 1161: # ifdef _WINDOWS
1.75 cvs 1162: AHTEventInit ();
1.54 cvs 1163: # endif _WINDOWS;
1.72 cvs 1164:
1.70 cvs 1165: HTEvent_setRegisterCallback (AHTEvent_register);
1.78 cvs 1166: /*** a effacer ***/
1167: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1168: /*** ***/
1.4 cvs 1169:
1.72 cvs 1170: # ifndef _WINDOWS
1171: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1172: # endif /* _WINDOWS */
1173:
1.74 cvs 1174: #ifdef DEBUG_LIBWWW
1175: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1176: #endif
1.4 cvs 1177:
1178: /* Trace activation (for debugging) */
1.7 cvs 1179: /*
1.4 cvs 1180: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1181: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1182: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1183: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1184: SHOW_CORE_TRACE;
1185:
1.7 cvs 1186: */
1.4 cvs 1187:
1188: /***
1189: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1190: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1191: ***/
1192:
1193: /* Setting up other user interfaces */
1194:
1195: /* Setting up different network parameters */
1.17 cvs 1196: /* Maximum number of simultaneous open sockets */
1.4 cvs 1197: HTNet_setMaxSocket (8);
1.75 cvs 1198: /* different network services timeouts */
1.4 cvs 1199: HTDNS_setTimeout (3600);
1.75 cvs 1200: #ifdef _WINDOWS
1201: /* under windows, the libwww persistent socket handling has
1202: ** some bugs. The following line inhibits idle socket reusal.
1203: ** this is a bit slower, but avoids crashes and gives us time
1204: ** to distribute Amaya before having to patch up libwww.
1205: */
1.76 cvs 1206: HTHost_setPersistTimeout (-1L);
1.75 cvs 1207: #else
1.76 cvs 1208: HTHost_setPersistTimeout (60L);
1.75 cvs 1209: #endif /* _WINDOWS */
1210:
1.17 cvs 1211: /* Cache is disabled in this version */
1.4 cvs 1212: HTCacheMode_setEnabled (0);
1213:
1214: /* Initialization of the global context */
1215: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1216: Amaya->reqlist = HTList_new ();
1217: Amaya->docid_status = HTList_new ();
1218: Amaya->open_requests = 0;
1.74 cvs 1219:
1.4 cvs 1220: #ifdef CATCH_SIG
1.18 cvs 1221: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1222: #endif
1.15 cvs 1223: }
1224:
1.69 cvs 1225: #ifndef _WINDOWS
1.15 cvs 1226: /*----------------------------------------------------------------------
1.17 cvs 1227: LoopForStop
1228: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1229: Not useful for windows code (Ramzi).
1.15 cvs 1230: ----------------------------------------------------------------------*/
1231: #ifdef __STDC__
1232: static int LoopForStop (AHTReqContext * me)
1233: #else
1234: static int LoopForStop (AHTReqContext * me)
1235: #endif
1236: {
1237:
1.25 cvs 1238: extern ThotAppContext app_cont;
1.51 cvs 1239: XEvent ev;
1240: XtInputMask status;
1.17 cvs 1241: int status_req = HT_OK;
1.15 cvs 1242:
1243: /* to test the async calls */
1.17 cvs 1244: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1245: while (me->reqStatus != HT_ABORT &&
1246: me->reqStatus != HT_END &&
1.69 cvs 1247: me->reqStatus != HT_ERR) {
1248: if (!AmayaIsAlive)
1249: /* Amaya was killed by one of the callback handlers */
1250: exit (0);
1251:
1252: status = XtAppPending (app_cont);
1253: if (status & XtIMXEvent) {
1254: XtAppNextEvent (app_cont, &ev);
1255: TtaHandleOneEvent (&ev);
1256: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1257: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1258: } else {
1259: XtAppNextEvent (app_cont, &ev);
1260: TtaHandleOneEvent (&ev);
1261: }
1262: }
1.4 cvs 1263:
1.69 cvs 1264: switch (me->reqStatus) {
1265: case HT_ERR:
1266: case HT_ABORT:
1.15 cvs 1267: status_req = HT_ERROR;
1268: break;
1269:
1.69 cvs 1270: case HT_END:
1.15 cvs 1271: status_req = HT_OK;
1272: break;
1273:
1.69 cvs 1274: default:
1.15 cvs 1275: break;
1.69 cvs 1276: }
1.15 cvs 1277: return (status_req);
1.4 cvs 1278: }
1.69 cvs 1279: #endif /* _WINDOWS */
1.4 cvs 1280:
1.5 cvs 1281: /*----------------------------------------------------------------------
1.15 cvs 1282: QueryClose
1.21 cvs 1283: closes all existing threads, frees all non-automatically deallocated
1284: memory and then ends libwww.
1.5 cvs 1285: ----------------------------------------------------------------------*/
1.4 cvs 1286: void QueryClose ()
1287: {
1.24 cvs 1288:
1289: AmayaIsAlive = FALSE;
1290:
1.21 cvs 1291: /* remove all the handlers and callbacks that may output a message to
1292: a non-existent Amaya window */
1293:
1294: HTNet_deleteAfter (AHTLoadTerminate_handler);
1295: HTNet_deleteAfter (redirection_handler);
1296: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1297: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1298: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1299: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.87 ! cvs 1300: HTHost_setActivateRequestCallback (NULL);
1.4 cvs 1301: Thread_deleteAll ();
1.21 cvs 1302:
1.4 cvs 1303: HTProxy_deleteAll ();
1304: HTNoProxy_deleteAll ();
1305: HTGateway_deleteAll ();
1306: AHTProfile_delete ();
1307: }
1308:
1.5 cvs 1309: /*----------------------------------------------------------------------
1.15 cvs 1310: GetObjectWWW
1.17 cvs 1311: this function requests a resource designated by a URLname into a
1312: temporary filename. The download can come from a simple GET operation,
1313: or can come from POSTING/GETTING a form. In the latter
1314: case, the function receives a query string to send to the server.
1315:
1.5 cvs 1316: 4 file retrieval modes are proposed:
1317: AMAYA_SYNC : blocking mode
1318: AMAYA_ISYNC : incremental, blocking mode
1319: AMAYA_ASYNC : non-blocking mode
1320: AMAYA_IASYNC : incremental, non-blocking mode
1321:
1322: In the incremental mode, each time a package arrives, it will be
1323: stored in the temporary file. In addition, if an
1324: incremental_callback function is defined, this function will be
1325: called and handled a copy of the newly received data package.
1326: Finally, if a terminate_callback function is defined, it will be
1327: invoked when the request terminates. The caller of this function
1.4 cvs 1328: can define two different contexts to be passed to the callback
1329: functions.
1330:
1331: When the function is called with the SYNC mode, the function will
1332: return only when the requested file has been loaded.
1333: The ASYNC mode will immediately return after setting up the
1334: call.
1335:
1336: Notes:
1337: At the end of a succesful request, the urlName string contains the
1338: name of the actually retrieved URL. As a URL can change over the time,
1339: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1340: caller verify the value of the urlName variable at the end of
1.4 cvs 1341: a request.
1342:
1343: Inputs:
1344: - docid Document identifier for the set of objects being
1345: retrieved.
1346: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1347: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1348: - mode The retrieval mode.
1349: - incremental_cbf
1350: - context_icbf
1351: Callback and context for the incremental modes
1352: - terminate_cbf
1353: - context_icbf
1354: Callback and context for a terminate handler
1.17 cvs 1355: -error_html if TRUE, then display any server error message as an
1356: HTML document.
1.4 cvs 1357:
1358: Outputs:
1359: - urlName The URL that was retrieved
1360: - outputfile The name of the temporary file which holds the
1361: retrieved data. (Only in case of success)
1362: Returns:
1363: HT_ERROR
1364: HT_OK
1.5 cvs 1365:
1366: ----------------------------------------------------------------------*/
1.4 cvs 1367: #ifdef __STDC__
1.52 cvs 1368: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1369: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1370: void* context_tcbf, boolean error_html)
1.4 cvs 1371: #else
1.52 cvs 1372: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1373: terminate_cbf, context_tcbf, error_html)
1.73 cvs 1374: int docid;
1375: char *urlName;
1376: char *postString;
1377: char *outputfile;
1378: int mode;
1379: TIcbf *incremental_cbf;
1380: void *context_icbf;
1381: TTcbf *terminate_cbf;
1382: void *context_tcbf;
1383: boolean error_html;
1.4 cvs 1384: #endif
1385: {
1386: AHTReqContext *me;
1387: char *ref;
1388: int status;
1.7 cvs 1389:
1.69 cvs 1390: if (urlName == NULL || docid == 0 || outputfile == NULL) {
1391: /* no file to be loaded */
1392: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1393:
1394: if (error_html)
1395: /* so we can show the error message */
1396: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1397: return HT_ERROR;
1398:
1399: }
1.7 cvs 1400:
1.4 cvs 1401: /* do we support this protocol? */
1.69 cvs 1402: if (IsValidProtocol (urlName) == NO) {
1403: /* return error */
1404: outputfile[0] = EOS; /* file could not be opened */
1405: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1406:
1407: if (error_html)
1408: /* so we can show the error message */
1409: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1410: return HT_ERROR;
1411: }
1.4 cvs 1412:
1.58 cvs 1413: /*create a tempfilename */
1.59 cvs 1414: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1415:
1416: /* update the object_counter */
1417: object_counter++;
1418: /* normalize the URL */
1.45 cvs 1419: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1420: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1421: if (ref == (char*) NULL || ref[0] == EOS) {
1422: /*error */
1423: outputfile[0] = EOS;
1424: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1425:
1426: if (error_html)
1427: /* so we can show the error message */
1428: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.4 cvs 1429:
1.69 cvs 1430: return HT_ERROR;
1431: }
1.4 cvs 1432: /* verify if that file name existed */
1.9 cvs 1433: if (TtaFileExist (outputfile))
1.77 cvs 1434: TtaFileUnlink (outputfile);
1.4 cvs 1435:
1436: /* Initialize the request structure */
1437: me = AHTReqContext_new (docid);
1.69 cvs 1438: if (me == NULL) {
1.77 cvs 1439: outputfile[0] = EOS;
1440: /* need an error message here */
1441: TtaFreeMemory (ref);
1442: return (HT_ERROR);
1.69 cvs 1443: }
1.77 cvs 1444:
1.4 cvs 1445: /* Specific initializations for POST and GET */
1.69 cvs 1446: if (mode & AMAYA_FORM_POST) {
1.77 cvs 1447: me->method = METHOD_POST;
1448: if (postString) {
1449: me->mem_ptr = postString;
1450: me->block_size = strlen (postString);
1451: } else {
1452: me->mem_ptr = "";
1453: me->block_size = 0;
1454: }
1455: HTRequest_setMethod (me->request, METHOD_POST);
1.69 cvs 1456: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1457: } else {
1.77 cvs 1458: me->method = METHOD_GET;
1459: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1460: if (!HasKnownFileSuffix (ref))
1461: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.69 cvs 1462: }
1.4 cvs 1463:
1464: /* Common initialization */
1465: me->mode = mode;
1466: me->error_html = error_html;
1467: me->incremental_cbf = incremental_cbf;
1468: me->context_icbf = context_icbf;
1469: me->terminate_cbf = terminate_cbf;
1470: me->context_tcbf = context_tcbf;
1.64 cvs 1471:
1.69 cvs 1472: /* for the async. request modes, we need to have our
1.4 cvs 1473: own copy of outputfile and urlname
1474: */
1475:
1.69 cvs 1476: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1.77 cvs 1477: char* tmp;
1478:
1.69 cvs 1479: tmp = TtaGetMemory (strlen (outputfile) + 1);
1480: strcpy (tmp, outputfile);
1481: me->outputfile = tmp;
1482:
1483: tmp = TtaGetMemory (MAX_LENGTH + 1);
1484: strncpy (tmp, urlName, MAX_LENGTH);
1485: tmp[MAX_LENGTH] = EOS;
1486: me->urlName = tmp;
1487: # ifdef _WINDOWS
1488: HTRequest_setPreemptive (me->request, NO);
1489: } else {
1.77 cvs 1490: me->outputfile = outputfile;
1491: me->urlName = urlName;
1492: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1493: }
1.69 cvs 1494: # else /* _WINDOWS */
1495: } else {
1.77 cvs 1496: me->outputfile = outputfile;
1497: me->urlName = urlName;
1.61 cvs 1498: }
1.77 cvs 1499: /***
1.57 cvs 1500: Change for taking into account the stop button:
1501: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1502: we will loop until the document has been received or a stop signal
1503: generated
1.77 cvs 1504: ****/
1505: HTRequest_setPreemptive (me->request, NO);
1.69 cvs 1506: # endif /* _WINDOWS */
1.61 cvs 1507:
1508: /* prepare the URLname that will be displayed in teh status bar */
1509: ChopURL (me->status_urlName, me->urlName);
1510:
1.77 cvs 1511: TtaSetStatus (me->docid, 1,
1512: TtaGetMessage (AMAYA, AM_FETCHING),
1513: me->status_urlName);
1.4 cvs 1514:
1515: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1516: TtaFreeMemory (ref);
1.4 cvs 1517:
1.69 cvs 1518: if (mode & AMAYA_FORM_POST) {
1519: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1520: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1521: HTRequest_setEntityAnchor (me->request, me->anchor);
1522:
1523: status = HTLoadAbsolute (urlName, me->request);
1524: } else
1.77 cvs 1525: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1526:
1.72 cvs 1527: #ifndef _WINDOWS
1.77 cvs 1528: if (status == HT_ERROR ||
1529: me->reqStatus == HT_END ||
1530: me->reqStatus == HT_ERR)
1531: {
1532: /* in case of error, free all allocated memory and exit */
1.82 cvs 1533: if (me->output) {
1.85 cvs 1534: #ifdef DEBUG_LIBWWW
1535: fprintf (stderr, "tGetObjectWWW:: URL is %s, closing "
1536: "FILE %p\n", me->urlName, me->output);
1537: #endif
1.77 cvs 1538: fclose (me->output);
1.82 cvs 1539: me->output = NULL;
1540: }
1541:
1.72 cvs 1542: if (me->reqStatus == HT_ERR) {
1.77 cvs 1543: status = HT_ERROR;
1544: /* show an error message on the status bar */
1545: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1546: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->
1547: status_urlName);
1.72 cvs 1548: } else
1.77 cvs 1549: status = HT_OK;
1.72 cvs 1550:
1551: AHTReqContext_delete (me);
1.77 cvs 1552: } else {
1.72 cvs 1553: /* part of the stop button handler */
1554: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1555: status = LoopForStop (me);
1556: AHTReqContext_delete (me);
1557: }
1558: }
1.79 cvs 1559: /* TtaHandlePendingEvents (); */
1.72 cvs 1560:
1561: #else /* !_WINDOWS */
1562:
1.71 cvs 1563: if (status == HT_ERROR) {
1564:
1.77 cvs 1565: /* in case of error, close any open files, free all allocated
1566: memory and exit */
1.85 cvs 1567: if (me->output && me->output != stdout) {
1568: #ifdef DEBUG_LIBWWW
1569: fprintf (stderr, "GetObjectWWW: URL is %s, closing "
1570: "FILE %p\n", me->urlName, me->output);
1571: #endif
1572: fclose (me->output);
1573: me->output = NULL;
1574: }
1575:
1.69 cvs 1576: if (me->reqStatus == HT_ERR) {
1.77 cvs 1577: status = HT_ERROR;
1578: /* show an error message on the status bar */
1579: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1580: TtaSetStatus (me->docid, 1,
1581: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1582: me->status_urlName);
1.69 cvs 1583: } else
1.77 cvs 1584: status = HT_OK;
1.69 cvs 1585:
1586: AHTReqContext_delete (me);
1587: } else {
1.77 cvs 1588: /* part of the stop button handler */
1589: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1590: AHTReqContext_delete (me);
1.69 cvs 1591: }
1.64 cvs 1592: }
1.79 cvs 1593: /*TtaHandlePendingEvents (); */
1.4 cvs 1594:
1.72 cvs 1595: #endif /* !_WINDOWS */
1596:
1.4 cvs 1597: return (status);
1598: }
1599:
1.5 cvs 1600: /*----------------------------------------------------------------------
1.17 cvs 1601: PutObjectWWW
1602: frontend for uploading a resource to a URL. This function downloads
1603: a file to be uploaded into memory, it then calls UploadMemWWW to
1604: finish the job.
1605:
1.5 cvs 1606: 2 upload modes are proposed:
1607: AMAYA_SYNC : blocking mode
1608: AMAYA_ASYNC : non-blocking mode
1609:
1.4 cvs 1610: When the function is called with the SYNC mode, the function will
1611: return only when the file has been uploaded.
1612: The ASYNC mode will immediately return after setting up the
1613: call. Furthermore, at the end of an upload, the ASYNC mode will
1614: call back terminate_cbf, handling it the context defined in
1615: context_tcbf.
1616:
1617: Notes:
1618: At the end of a succesful request, the urlName string contains the
1619: name of the actually uploaded URL. As a URL can change over the time,
1620: (e.g., be redirected elsewhere), it is advised that the function
1621: caller verifies the value of the urlName variable at the end of
1622: a request.
1623:
1624: Inputs:
1625: - docid Document identifier for the set of objects being
1626: retrieved.
1627: - fileName A pointer to the local file to upload
1628: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1629: - mode The retrieval mode.
1630: - terminate_cbf
1631: - context_icbf
1632: Callback and context for a terminate handler
1633:
1634: Outputs:
1635: - urlName The URL that was uploaded
1636:
1637: Returns:
1638: HT_ERROR
1639: HT_OK
1.5 cvs 1640: ----------------------------------------------------------------------*/
1.4 cvs 1641: #ifdef __STDC__
1.27 cvs 1642: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1643: TTcbf * terminate_cbf, void *context_tcbf)
1644: #else
1.26 cvs 1645: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1646: ,terminate_cbf, context_tcbf)
1647: int docid;
1648: char *urlName;
1649: char *fileName;
1650: int mode;
1.27 cvs 1651: PicType contentType;
1.4 cvs 1652: TTcbf *terminate_cbf;
1653: void *context_tcbf;
1654:
1655: #endif
1656: {
1.7 cvs 1657: /*AHTReqContext *me; */
1.4 cvs 1658: int status;
1659:
1660: int fd;
1661: struct stat file_stat;
1662: char *mem_ptr;
1663: unsigned long block_size;
1664:
1.33 cvs 1665: AmayaLastHTTPErrorMsg [0] = EOS;
1666:
1.4 cvs 1667: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1668: !TtaFileExist (fileName))
1.4 cvs 1669: /* no file to be uploaded */
1670: return HT_ERROR;
1671:
1672: /* do we support this protocol? */
1.7 cvs 1673: if (IsValidProtocol (urlName) == NO)
1674: {
1675: /* return error */
1.77 cvs 1676: TtaSetStatus (docid, 1,
1677: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 1678: urlName);
1679: return HT_ERROR;
1680: }
1.4 cvs 1681: /* read the file into memory */
1.70 cvs 1682: # ifndef _WINDOWS
1.7 cvs 1683: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1684: # else /* _WINDOWS */
1.74 cvs 1685: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.70 cvs 1686: # endif /* _WINDOWS */
1.7 cvs 1687: {
1688: /* if we could not open the file, exit */
1689: /*error msg here */
1690: return (HT_ERROR);
1691: }
1.4 cvs 1692:
1693: fstat (fd, &file_stat);
1694:
1.7 cvs 1695: if (file_stat.st_size == 0)
1696: {
1697: /* file was empty */
1698: /*errmsg here */
1699: close (fd);
1700: return (HT_ERROR);
1701: }
1.4 cvs 1702: block_size = file_stat.st_size;
1703:
1704: if (THD_TRACE)
1705: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1706:
1707: mem_ptr = (char *) TtaGetMemory (block_size);
1708:
1.7 cvs 1709: if (mem_ptr == (char *) NULL)
1710: {
1711: /* could not allocate enough memory */
1712: /*errmsg here */
1713: close (fd);
1714: return (HT_ERROR);
1715: }
1.4 cvs 1716: read (fd, mem_ptr, block_size);
1717:
1718: close (fd);
1719:
1.27 cvs 1720: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1721: block_size, mode, terminate_cbf,
1722: context_tcbf, (char *) NULL);
1723:
1724: TtaFreeMemory (mem_ptr);
1.28 cvs 1725: TtaHandlePendingEvents ();
1.4 cvs 1726: return (status);
1727: }
1728:
1.5 cvs 1729: /*----------------------------------------------------------------------
1.17 cvs 1730: UploadMemWWW
1731: low level interface function to libwww for uploading a block of
1732: memory to a URL.
1.5 cvs 1733: ----------------------------------------------------------------------*/
1.4 cvs 1734: #ifdef __STDC__
1735: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1736: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1737: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1738: char *outputfile)
1739: #else
1.27 cvs 1740: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1741: terminate_cbf, context_tcbf, outputfile)
1742: int docid;
1743: HTMethod method;
1744: char *urlName;
1.27 cvs 1745: PicType contentType;
1.4 cvs 1746: char *mem_ptr;
1747: usigned long block_size;
1748: int mode;
1749: TTcbf *terminate_cbf;
1750: void *context_tcbf;
1751: char *outputfile;
1.7 cvs 1752:
1.4 cvs 1753: #endif
1754: {
1755: AHTReqContext *me;
1756: int status;
1757:
1758: if (mem_ptr == (char *) NULL ||
1759: block_size == 0 ||
1760: docid == 0 ||
1.7 cvs 1761: urlName == (char *) NULL)
1762: {
1763: /* nothing to be uploaded */
1764: return HT_ERROR;
1765: }
1.4 cvs 1766:
1767: /* Initialize the request structure */
1768: me = AHTReqContext_new (docid);
1769:
1.7 cvs 1770: if (me == NULL)
1771: {
1772: /* need an error message here */
1773: TtaHandlePendingEvents ();
1774: return (HT_ERROR);
1775: }
1.4 cvs 1776: me->mode = mode;
1777:
1778: me->incremental_cbf = (TIcbf *) NULL;
1779: me->context_icbf = (void *) NULL;
1780: me->terminate_cbf = terminate_cbf;
1781: me->context_tcbf = context_tcbf;
1782:
1783: me->output = stdout;
1784: me->outputfile = (char *) NULL;
1785: me->urlName = urlName;
1786:
1.70 cvs 1787: #ifdef _WINDOWS
1788: HTRequest_setPreemptive (me->request, YES);
1789: #else
1.4 cvs 1790: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1791: #endif /* _WINDOWS */
1.74 cvs 1792:
1.17 cvs 1793: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1794: me->method = METHOD_PUT;
1795: HTRequest_setMethod (me->request, METHOD_PUT);
1796: me->output = stdout;
1.17 cvs 1797: /* we are not expecting to receive any input from the server */
1798: me->outputfile = (char *) NULL;
1.4 cvs 1799:
1800: me->mem_ptr = mem_ptr;
1801: me->block_size = block_size;
1.17 cvs 1802:
1803: /* set the callback which will actually copy data into the
1804: output stream */
1805:
1.4 cvs 1806: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.72 cvs 1807:
1.4 cvs 1808: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1809:
1.28 cvs 1810: /* Set the Content-Type of the file we are uploading */
1.77 cvs 1811: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1812: AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1813:
1.7 cvs 1814: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1815: HTRequest_setEntityAnchor (me->request, me->anchor);
1.74 cvs 1816: /* prepare the URLname that will be displayed in teh status bar */
1817: ChopURL (me->status_urlName, me->urlName);
1818: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1819: me->status_urlName);
1.4 cvs 1820: status = HTLoadAbsolute (urlName, me->request);
1821:
1.74 cvs 1822: #ifndef _WINDOWS
1.77 cvs 1823: if (status == HT_ERROR ||
1824: me->reqStatus == HT_END ||
1825: me->reqStatus == HT_ERR ||
1826: HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.74 cvs 1827: #else
1828: if (status == HT_ERROR)
1829: #endif /* !_WINDOWS */
1.7 cvs 1830: {
1.17 cvs 1831: status = HT_ERROR;
1.28 cvs 1832: }
1.7 cvs 1833: else
1834: {
1835: /* part of the stop button handler */
1.4 cvs 1836:
1.7 cvs 1837: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1838: {
1.70 cvs 1839: # ifndef _WINDOWS
1.7 cvs 1840: status = LoopForStop (me);
1.70 cvs 1841: # endif /* !_WINDOWS */
1.7 cvs 1842: }
1.15 cvs 1843: }
1.77 cvs 1844: AHTReqContext_delete (me);
1.4 cvs 1845: return (status);
1.28 cvs 1846: }
1.4 cvs 1847:
1848:
1849:
1.5 cvs 1850: /*----------------------------------------------------------------------
1.17 cvs 1851: Stop Request
1852: stops (kills) all active requests associated with a docid
1.5 cvs 1853: ----------------------------------------------------------------------*/
1.4 cvs 1854: #ifdef __STDC__
1855: void StopRequest (int docid)
1856: #else
1857: void StopRequest (docid)
1858: int docid;
1859: #endif
1860: {
1861: HTList *cur;
1862: AHTDocId_Status *docid_status;
1863: AHTReqContext *me;
1864: int open_requests;
1865:
1.84 cvs 1866: HTNet *reqNet;
1867: HTHost *reqHost;
1.85 cvs 1868: HTChannel *reqChannel;
1869: int reqSock;
1870:
1.7 cvs 1871: if (Amaya)
1872: {
1873: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1874: Amaya->docid_status);
1.7 cvs 1875: /* verify if there are any requests at all associated with docid */
1.4 cvs 1876:
1.7 cvs 1877: if (docid_status == (AHTDocId_Status *) NULL)
1878: return;
1.4 cvs 1879:
1.7 cvs 1880: open_requests = docid_status->counter;
1.4 cvs 1881:
1.85 cvs 1882: /* First, kill all pending requests */
1883: /* We first inhibit the activation of pending requests */
1884: HTHost_disable_PendingReqLaunch ();
1885: cur = Amaya->reqlist;
1886: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1887: {
1888: if (me->docid == docid && me->reqStatus == HT_NEW)
1889: {
1890: reqNet = HTRequest_net (me->request);
1891: reqSock = HTNet_socket (reqNet);
1892: reqChannel = HTChannel_find(reqSock);
1893: reqHost = HTChannel_host (reqChannel);
1894:
1895:
1896: HTRequest_kill (me->request);
1897: /* HTRequest_setNet (me->request, NULL);
1898: */
1899:
1900: if ((me->mode & AMAYA_ASYNC) ||
1901: (me->mode & AMAYA_IASYNC))
1902: {
1903: AHTReqContext_delete (me);
1904: }
1905:
1906: if (HTHost_isIdle (reqHost) ) {
1907: #ifdef DEBUG_LIBWWW
1908: fprintf (stderr, "Host is idle, killing socket %d\n",
1909: reqSock);;
1910: #endif /* DEBUG_LIBWWW */
1911:
1912: HTEvent_unregister (reqSock, FD_ALL);
1913: HTEvent_register(reqSock, NULL, (SockOps) FD_READ,
1914: HTHost_catchClose, HT_PRIORITY_MAX);
1915: close (reqSock);
1916: /*
1917: if (reqChannel && reqHost)
1918: HTHost_clearChannel(reqHost, HT_OK);
1919: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
1920: */
1921: }
1922:
1923: cur = Amaya->reqlist;
1924: open_requests--;
1925: }
1926: }
1927: /* enable the activation of pending requests */
1928: HTHost_enable_PendingReqLaunch ();
1929:
1930: cur = Amaya->reqlist;
1.7 cvs 1931: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1932: {
1933: if (me->docid == docid)
1934: {
1935: /* kill this request */
1.4 cvs 1936:
1.7 cvs 1937: switch (me->reqStatus)
1938: {
1939: case HT_ABORT:
1940: break;
1.4 cvs 1941:
1.7 cvs 1942: case HT_BUSY:
1943: me->reqStatus = HT_ABORT;
1944: break;
1945: case HT_NEW_PENDING:
1946: case HT_WAITING:
1947: default:
1.74 cvs 1948: me->reqStatus = HT_ABORT;
1.85 cvs 1949:
1.70 cvs 1950: # ifndef _WINDOWS
1.7 cvs 1951: RequestKillAllXtevents (me);
1.74 cvs 1952: # endif _WINDOWS
1.85 cvs 1953:
1.84 cvs 1954: reqNet = HTRequest_net (me->request);
1955: reqSock = HTNet_socket (reqNet);
1.85 cvs 1956: reqChannel = HTChannel_find(reqSock);
1957: reqHost = HTChannel_host (reqChannel);
1958:
1959: HTRequest_kill (me->request);
1960: /* HTRequest_setNet (me->request, NULL); */
1.84 cvs 1961:
1.71 cvs 1962: if ((me->mode & AMAYA_ASYNC) ||
1963: (me->mode & AMAYA_IASYNC))
1.7 cvs 1964: {
1965: AHTReqContext_delete (me);
1.84 cvs 1966:
1.7 cvs 1967: }
1.84 cvs 1968:
1.85 cvs 1969: /* if there are no more requests, then close
1970: the connection */
1971:
1.84 cvs 1972: if (HTHost_isIdle (reqHost) ) {
1.85 cvs 1973: #ifdef DEBUG_LIBWWW
1974: fprintf (stderr, "Host is idle, "
1975: "killing socket %d\n",
1976: reqSock);
1977: #endif /* DEBUG_LIBWWW */
1978: HTEvent_unregister (reqSock, FD_ALL);
1979: HTEvent_register(reqSock,
1980: NULL,
1981: (SockOps) FD_READ,
1982: HTHost_catchClose,
1983: HT_PRIORITY_MAX);
1984: close (reqSock);
1985: HTHost_clearChannel (reqHost, HT_ERROR);
1986: /*
1987: if (reqChannel && reqHost)
1988: HTHost_clearChannel(reqHost, HT_OK);
1989: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
1990: */
1991: #ifdef DEBUG_LIBWWW
1992: fprintf (stderr, "After killing, "
1993: "HTHost_isIdle gives %d\n",
1994: HTHost_isIdle (reqHost));
1995: #endif /* DEBUG_LIBWWW */
1.84 cvs 1996: }
1997:
1.74 cvs 1998: cur = Amaya->reqlist;
1.7 cvs 1999: open_requests--;
1.4 cvs 2000:
1.7 cvs 2001: break;
1.4 cvs 2002:
1.7 cvs 2003: } /* switch */
2004: } /* if me docid */
2005: } /* while */
2006: } /* if amaya open requests */
1.85 cvs 2007:
2008: } /* StopRequest */
1.17 cvs 2009:
2010: /*
2011: end of Module query.c
2012: */
2013:
1.69 cvs 2014: #endif /* AMAYA_JAVA */
1.77 cvs 2015:
2016:
1.17 cvs 2017:
2018:
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