Annotation of Amaya/amaya/query.c, revision 1.88
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:
1.88 ! cvs 745: /* copy the content_type */
! 746:
! 747: {
! 748: char *content_type = request->anchor->content_type->name;
! 749:
! 750: if (content_type && content_type [0] && me->content_type)
! 751: {
! 752: /* libwww gives www/unknown when it gets an error. As this is
! 753: an HTML test, we force the type to text/html */
! 754: if (!strcmp (content_type, "www/unknown"))
! 755: {
! 756: strcpy (me->content_type, "text/html");
! 757: }
! 758: else
! 759: {
! 760: strncpy (me->content_type, content_type,
! 761: NAME_LENGTH -1);
! 762: me->content_type [NAME_LENGTH-1] = '\0';
! 763:
! 764: /* Content-Type can be specified by a server's admin. To be on
! 765: the safe side, we normalize its case */
! 766: ConvertToLowerCase (me->content_type);
! 767: }
! 768: #ifdef DEBUG_LIBWWW
! 769: fprintf (stderr, "content type is: %s\n", me->content_type);
! 770: #endif /* DEBUG_LIBWWW */
! 771: }
! 772: }
! 773:
1.80 cvs 774: /* don't remove or Xt will hang up during the PUT */
775:
1.28 cvs 776: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
777: (me->method == METHOD_PUT)))
1.7 cvs 778: {
1.80 cvs 779: PrintTerminateStatus (me, status);
780:
781: }
782:
1.72 cvs 783: #ifdef _WINDOWS
1.80 cvs 784: /* Try to add this to AHTEventrg.c */
785: ProcessTerminateRequest (me);
786: #endif /* WINDOWS */
1.71 cvs 787:
788: return HT_OK;
1.4 cvs 789: }
790:
1.5 cvs 791: /*----------------------------------------------------------------------
1.17 cvs 792: AHTLoadTerminate_handler
1.74 cvs 793: this is an application "AFTER" Callback. It's called by the library
794: when a request has ended, so that we can setup the correct status.
1.5 cvs 795: ----------------------------------------------------------------------*/
1.4 cvs 796:
797: #ifdef __STDC__
1.7 cvs 798: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 799: #else
800: static int AHTLoadTerminate_handler (request, response, param, status)
801: HTRequest *request;
802: HTResponse *response;
803: void *param;
804: int status;
1.69 cvs 805:
1.4 cvs 806: #endif
807: {
808: AHTReqContext *me = HTRequest_context (request);
809: HTAlertCallback *cbf;
810: AHTDocId_Status *docid_status;
811:
1.7 cvs 812: switch (status)
813: {
814: case HT_LOADED:
815: if (PROT_TRACE)
816: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 817: me->status_urlName);
1.4 cvs 818:
1.7 cvs 819: docid_status = GetDocIdStatus (me->docid,
820: Amaya->docid_status);
821:
822: if (docid_status != NULL && docid_status->counter > 1)
1.74 cvs 823: TtaSetStatus (me->docid, 1,
824: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
825: me->status_urlName);
1.7 cvs 826: break;
827:
828: case HT_NO_DATA:
829: if (PROT_TRACE)
1.74 cvs 830: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
831: me->status_urlName);
832: TtaSetStatus (me->docid, 1,
833: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 834: me->status_urlName);
1.7 cvs 835: break;
836:
837: case HT_INTERRUPTED:
838: if (PROT_TRACE)
1.74 cvs 839: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
840: me->status_urlName);
841: TtaSetStatus (me->docid, 1,
842: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
843: NULL);
1.7 cvs 844: break;
845:
846: case HT_RETRY:
847: if (PROT_TRACE)
848: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
849: HTResponse_retryTime (response));
1.74 cvs 850: TtaSetStatus (me->docid, 1,
851: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 852: me->status_urlName);
1.7 cvs 853: break;
854:
855: case HT_ERROR:
856:
857: cbf = HTAlert_find (HT_A_MESSAGE);
858: if (cbf)
859: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
860: HTRequest_error (request), NULL);
861: break;
862:
863: if (PROT_TRACE)
864: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.74 cvs 865: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
866: TtaSetStatus (me->docid, 1,
867: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 868: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 869: break;
870: default:
871: if (PROT_TRACE)
872: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
873: break;
874: }
875:
1.4 cvs 876: return HT_OK;
877: }
878:
1.27 cvs 879: /*----------------------------------------------------------------------
880: AHTAcceptTypesInit
1.74 cvs 881: This function prepares the Accept header used by Amaya during
882: the HTTP content negotiation phase
1.27 cvs 883: ----------------------------------------------------------------------*/
884: #ifdef __STDC__
885: static void AHTAcceptTypesInit (HTList *c)
886: #else /* __STDC__ */
887: static void AHTAcceptTypesInit (c)
888: HTList *c;
889: #endif /* __STDC__ */
890: {
891: if (c == (HTList *) NULL)
892: return;
893:
894: /* define here all the mime types that Amaya can accept */
895:
1.74 cvs 896: HTConversion_add (c, "image/png", "www/present",
897: HTThroughLine, 1.0, 0.0, 0.0);
898: HTConversion_add (c, "image/jpeg", "www/present",
899: HTThroughLine, 1.0, 0.0, 0.0);
900: HTConversion_add (c, "image/gif", "www/present",
901: HTThroughLine, 1.0, 0.0, 0.0);
902: HTConversion_add (c, "image/xbm", "www/present",
903: HTThroughLine, 1.0, 0.0, 0.0);
904: HTConversion_add (c, "image/xpm", "www/present",
905: HTThroughLine, 1.0, 0.0, 0.0);
906: HTConversion_add (c, "application/postscript",
907: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 908:
1.27 cvs 909: /* Define here the equivalences between MIME types and file extensions for
910: the types that Amaya can display */
911:
912: /* Register the default set of file suffix bindings */
913: HTFileInit ();
914:
915: /* Don't do any case distinction */
916: HTBind_caseSensitive (FALSE);
917: }
1.4 cvs 918:
1.5 cvs 919: /*----------------------------------------------------------------------
1.17 cvs 920: AHTConverterInit
921: Bindings between a source media type and a destination media type
922: (conversion).
1.5 cvs 923: ----------------------------------------------------------------------*/
1.15 cvs 924: #ifdef __STDC__
925: static void AHTConverterInit (HTList *c)
926: #else /* __STDC__ */
927: static void AHTConverterInit (c)
928: HTList *c;
929: #endif /* __STDC__ */
1.4 cvs 930: {
931:
932: /* Handler for custom http error messages */
1.7 cvs 933: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 934:
935: /*
936: ** These are converters that converts to something other than www/present,
937: ** that is not directly outputting someting to the user on the screen
938: */
939:
940: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
941: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
942: 1.0, 0.0, 0.0);
943: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
944: 1.0, 0.0, 0.0);
945: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
946: 1.0, 0.0, 0.0);
947: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
948: 1.0, 0.0, 0.0);
949:
950:
951: /*
952: ** The following conversions are converting ASCII output from various
953: ** protocols to HTML objects.
954: */
955: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
956: 1.0, 0.0, 0.0);
957: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
958: 1.0, 0.0, 0.0);
959: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
960: 1.0, 0.0, 0.0);
961:
962:
963: /*
964: ** We also register a special content type guess stream that can figure out
965: ** the content type by reading the first bytes of the stream
966: */
967: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
968: 1.0, 0.0, 0.0);
969:
970: /*
971: ** Register a persistent cache stream which can save an object to local
972: ** file
973: */
974: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
975: 1.0, 0.0, 0.0);
976:
977: /*
978: ** This dumps all other formats to local disk without any further
979: ** action taken
980: */
981: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
982: 0.3, 0.0, 0.0);
983:
984: }
985:
1.27 cvs 986:
1.15 cvs 987: /*----------------------------------------------------------------------
1.17 cvs 988: AHTProtocolInit
989: Registers all amaya supported protocols.
1.15 cvs 990: ----------------------------------------------------------------------*/
1.4 cvs 991: static void AHTProtocolInit (void)
992: {
993:
1.17 cvs 994: /*
1.74 cvs 995: NB. Preemptive == YES means Blocking requests
996: Non-preemptive == NO means Non-blocking requests
1.17 cvs 997: */
1.4 cvs 998:
1.63 cvs 999: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 1000: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
1001: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
1002: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 1003: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.17 cvs 1004: #if 0 /* experimental code */
1.4 cvs 1005: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
1006: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
1007: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
1008: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
1009: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 1010: #endif
1.4 cvs 1011: }
1012:
1.15 cvs 1013: /*----------------------------------------------------------------------
1.17 cvs 1014: AHTNetInit
1015: Reegisters "before" and "after" request filters.
1.15 cvs 1016: ----------------------------------------------------------------------*/
1.4 cvs 1017: static void AHTNetInit (void)
1018: {
1019:
1020: /* Register BEFORE filters
1.74 cvs 1021: ** The BEFORE filters handle proxies, caches, rule files etc.
1022: ** The filters are called in the order by which the are registered
1023: ** Not done automaticly - may be done by application!
1024: */
1025:
1.4 cvs 1026:
1.74 cvs 1027: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
1028: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.85 cvs 1029: /* HTNet_addBefore (AHTOpen_file, NULL, NULL, 11); */
1030: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1031:
1032: /* register AFTER filters
1.74 cvs 1033: ** The AFTER filters handle error messages, logging, redirection,
1034: ** authentication etc.
1035: ** The filters are called in the order by which the are registered
1036: ** Not done automaticly - may be done by application!
1037: */
1.4 cvs 1038:
1.82 cvs 1039: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1040: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1041: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1042: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.51 cvs 1043: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1044: /* handles all errors */
1.7 cvs 1045: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1046: }
1047:
1.15 cvs 1048: /*----------------------------------------------------------------------
1.17 cvs 1049: AHTAlertInit
1050: Register alert messages and their callbacks.
1.15 cvs 1051: ----------------------------------------------------------------------*/
1052: #ifdef __STDC__
1053: static void AHTAlertInit (void)
1054: #else
1055: static void AHTAlertInit ()
1056: #endif
1057: {
1058: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1059: # ifndef _WINDOWS
1.83 cvs 1060: /* HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT); */
1.70 cvs 1061: # else /* _WINDOWS */
1062: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1063: # endif /* _WINDOWS */
1.15 cvs 1064: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1065: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1066: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1067: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1068: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1069: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1070: }
1071:
1072: /*----------------------------------------------------------------------
1.17 cvs 1073: AHTProfile_newAmaya
1074: creates the Amaya client profile for libwww.
1.15 cvs 1075: ----------------------------------------------------------------------*/
1076: #ifdef __STDC__
1077: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1078: #else /* __STDC__ */
1079: static void AHTProfile_newAmaya (AppName, AppVersion)
1080: char *AppName;
1081: char *AppVersion;
1082: #endif /* __STDC__ */
1.4 cvs 1083: {
1084: /* If the Library is not already initialized then do it */
1085: if (!HTLib_isInitialized ())
1086: HTLibInit (AppName, AppVersion);
1087:
1088: if (!converters)
1089: converters = HTList_new ();
1.27 cvs 1090: if (!acceptTypes)
1091: acceptTypes = HTList_new ();
1.4 cvs 1092: if (!encodings)
1093: encodings = HTList_new ();
1094:
1095: /* Register the default set of transport protocols */
1096: HTTransportInit ();
1097:
1098: /* Register the default set of application protocol modules */
1099: AHTProtocolInit ();
1100:
1101: /* Enable the persistent cache */
1102: /* HTCacheInit (NULL, 20); */
1103:
1104: /* Register the default set of BEFORE and AFTER filters */
1105: AHTNetInit ();
1106:
1107: /* Set up the default set of Authentication schemes */
1108: HTAAInit ();
1109:
1110: /* Get any proxy or gateway environment variables */
1111: HTProxy_getEnvVar ();
1112:
1113: /* Register the default set of converters */
1114: AHTConverterInit (converters);
1.27 cvs 1115: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1116: HTFormat_setConversion (converters);
1117:
1118: /* Register the default set of transfer encoders and decoders */
1119: HTEncoderInit (encodings); /* chunks ??? */
1120: HTFormat_setTransferCoding (encodings);
1121:
1122: /* Register the default set of MIME header parsers */
1.74 cvs 1123: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1124:
1125: /* Register the default set of Icons for directory listings */
1.27 cvs 1126: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1127:
1128: /* Register the default set of messages and dialog functions */
1129: AHTAlertInit ();
1130: HTAlert_setInteractive (YES);
1131: }
1132:
1.5 cvs 1133: /*----------------------------------------------------------------------
1.17 cvs 1134: AHTProfile_delete
1135: deletes the Amaya client profile.
1.5 cvs 1136: ----------------------------------------------------------------------*/
1.4 cvs 1137: #ifdef __STDC__
1138: static void AHTProfile_delete (void)
1139: #else
1140: static void AHTProfile_delete ()
1.7 cvs 1141: #endif /* __STDC__ */
1.4 cvs 1142: {
1.22 cvs 1143:
1144: /* free the Amaya global context */
1.74 cvs 1145: if (!converters)
1146: HTConversion_deleteAll (converters);
1147: if (!acceptTypes)
1148: HTConversion_deleteAll (acceptTypes);
1149: if (!encodings)
1150: HTCoding_deleteAll (encodings);
1151:
1152: HTList_delete (Amaya->docid_status);
1153: HTList_delete (Amaya->reqlist);
1154: TtaFreeMemory (Amaya);
1155: {
1.61 cvs 1156:
1.74 cvs 1157: if (HTLib_isInitialized ())
1158:
1.61 cvs 1159: # ifdef _WINDOWS
1160: HTEventTerminate ();
1161: # endif _WINDOWS;
1.74 cvs 1162:
1163: /* Clean up the persistent cache (if any) */
1164: HTCacheTerminate ();
1165:
1166: /* Clean up all the global preferences */
1167: HTFormat_deleteAll ();
1168:
1169: /* Terminate libwww */
1170: HTLibTerminate ();
1171: }
1.4 cvs 1172: }
1173:
1.5 cvs 1174: /*----------------------------------------------------------------------
1.17 cvs 1175: QueryInit
1176: initializes the libwww interface
1.5 cvs 1177: ----------------------------------------------------------------------*/
1.4 cvs 1178: #ifdef __STDC__
1179: void QueryInit ()
1180: #else
1181: void QueryInit ()
1182: #endif
1183: {
1184:
1.24 cvs 1185: AmayaIsAlive = TRUE;
1.4 cvs 1186: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1187:
1.69 cvs 1188: /* New AHTBridge stuff */
1.4 cvs 1189:
1.54 cvs 1190: # ifdef _WINDOWS
1.75 cvs 1191: AHTEventInit ();
1.54 cvs 1192: # endif _WINDOWS;
1.72 cvs 1193:
1.70 cvs 1194: HTEvent_setRegisterCallback (AHTEvent_register);
1.78 cvs 1195: /*** a effacer ***/
1196: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1197: /*** ***/
1.4 cvs 1198:
1.72 cvs 1199: # ifndef _WINDOWS
1200: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1201: # endif /* _WINDOWS */
1202:
1.74 cvs 1203: #ifdef DEBUG_LIBWWW
1204: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1205: #endif
1.4 cvs 1206:
1207: /* Trace activation (for debugging) */
1.7 cvs 1208: /*
1.4 cvs 1209: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1210: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1211: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1212: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1213: SHOW_CORE_TRACE;
1214:
1.7 cvs 1215: */
1.4 cvs 1216:
1217: /***
1218: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1219: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1220: ***/
1221:
1222: /* Setting up other user interfaces */
1223:
1224: /* Setting up different network parameters */
1.17 cvs 1225: /* Maximum number of simultaneous open sockets */
1.4 cvs 1226: HTNet_setMaxSocket (8);
1.75 cvs 1227: /* different network services timeouts */
1.4 cvs 1228: HTDNS_setTimeout (3600);
1.75 cvs 1229: #ifdef _WINDOWS
1230: /* under windows, the libwww persistent socket handling has
1231: ** some bugs. The following line inhibits idle socket reusal.
1232: ** this is a bit slower, but avoids crashes and gives us time
1233: ** to distribute Amaya before having to patch up libwww.
1234: */
1.76 cvs 1235: HTHost_setPersistTimeout (-1L);
1.75 cvs 1236: #else
1.76 cvs 1237: HTHost_setPersistTimeout (60L);
1.75 cvs 1238: #endif /* _WINDOWS */
1239:
1.17 cvs 1240: /* Cache is disabled in this version */
1.4 cvs 1241: HTCacheMode_setEnabled (0);
1242:
1243: /* Initialization of the global context */
1244: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1245: Amaya->reqlist = HTList_new ();
1246: Amaya->docid_status = HTList_new ();
1247: Amaya->open_requests = 0;
1.74 cvs 1248:
1.4 cvs 1249: #ifdef CATCH_SIG
1.18 cvs 1250: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1251: #endif
1.15 cvs 1252: }
1253:
1.69 cvs 1254: #ifndef _WINDOWS
1.15 cvs 1255: /*----------------------------------------------------------------------
1.17 cvs 1256: LoopForStop
1257: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1258: Not useful for windows code (Ramzi).
1.15 cvs 1259: ----------------------------------------------------------------------*/
1260: #ifdef __STDC__
1261: static int LoopForStop (AHTReqContext * me)
1262: #else
1263: static int LoopForStop (AHTReqContext * me)
1264: #endif
1265: {
1266:
1.25 cvs 1267: extern ThotAppContext app_cont;
1.51 cvs 1268: XEvent ev;
1269: XtInputMask status;
1.17 cvs 1270: int status_req = HT_OK;
1.15 cvs 1271:
1272: /* to test the async calls */
1.17 cvs 1273: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1274: while (me->reqStatus != HT_ABORT &&
1275: me->reqStatus != HT_END &&
1.69 cvs 1276: me->reqStatus != HT_ERR) {
1277: if (!AmayaIsAlive)
1278: /* Amaya was killed by one of the callback handlers */
1279: exit (0);
1280:
1281: status = XtAppPending (app_cont);
1282: if (status & XtIMXEvent) {
1283: XtAppNextEvent (app_cont, &ev);
1284: TtaHandleOneEvent (&ev);
1285: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1286: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1287: } else {
1288: XtAppNextEvent (app_cont, &ev);
1289: TtaHandleOneEvent (&ev);
1290: }
1291: }
1.4 cvs 1292:
1.69 cvs 1293: switch (me->reqStatus) {
1294: case HT_ERR:
1295: case HT_ABORT:
1.15 cvs 1296: status_req = HT_ERROR;
1297: break;
1298:
1.69 cvs 1299: case HT_END:
1.15 cvs 1300: status_req = HT_OK;
1301: break;
1302:
1.69 cvs 1303: default:
1.15 cvs 1304: break;
1.69 cvs 1305: }
1.15 cvs 1306: return (status_req);
1.4 cvs 1307: }
1.69 cvs 1308: #endif /* _WINDOWS */
1.4 cvs 1309:
1.5 cvs 1310: /*----------------------------------------------------------------------
1.15 cvs 1311: QueryClose
1.21 cvs 1312: closes all existing threads, frees all non-automatically deallocated
1313: memory and then ends libwww.
1.5 cvs 1314: ----------------------------------------------------------------------*/
1.4 cvs 1315: void QueryClose ()
1316: {
1.24 cvs 1317:
1318: AmayaIsAlive = FALSE;
1319:
1.21 cvs 1320: /* remove all the handlers and callbacks that may output a message to
1321: a non-existent Amaya window */
1322:
1323: HTNet_deleteAfter (AHTLoadTerminate_handler);
1324: HTNet_deleteAfter (redirection_handler);
1325: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1326: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1327: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1328: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.87 cvs 1329: HTHost_setActivateRequestCallback (NULL);
1.4 cvs 1330: Thread_deleteAll ();
1.21 cvs 1331:
1.4 cvs 1332: HTProxy_deleteAll ();
1333: HTNoProxy_deleteAll ();
1334: HTGateway_deleteAll ();
1335: AHTProfile_delete ();
1336: }
1337:
1.5 cvs 1338: /*----------------------------------------------------------------------
1.15 cvs 1339: GetObjectWWW
1.17 cvs 1340: this function requests a resource designated by a URLname into a
1341: temporary filename. The download can come from a simple GET operation,
1342: or can come from POSTING/GETTING a form. In the latter
1343: case, the function receives a query string to send to the server.
1344:
1.5 cvs 1345: 4 file retrieval modes are proposed:
1346: AMAYA_SYNC : blocking mode
1347: AMAYA_ISYNC : incremental, blocking mode
1348: AMAYA_ASYNC : non-blocking mode
1349: AMAYA_IASYNC : incremental, non-blocking mode
1350:
1351: In the incremental mode, each time a package arrives, it will be
1352: stored in the temporary file. In addition, if an
1353: incremental_callback function is defined, this function will be
1354: called and handled a copy of the newly received data package.
1355: Finally, if a terminate_callback function is defined, it will be
1356: invoked when the request terminates. The caller of this function
1.4 cvs 1357: can define two different contexts to be passed to the callback
1358: functions.
1359:
1360: When the function is called with the SYNC mode, the function will
1361: return only when the requested file has been loaded.
1362: The ASYNC mode will immediately return after setting up the
1363: call.
1364:
1365: Notes:
1366: At the end of a succesful request, the urlName string contains the
1367: name of the actually retrieved URL. As a URL can change over the time,
1368: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1369: caller verify the value of the urlName variable at the end of
1.4 cvs 1370: a request.
1371:
1372: Inputs:
1373: - docid Document identifier for the set of objects being
1374: retrieved.
1375: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1376: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1377: - mode The retrieval mode.
1378: - incremental_cbf
1379: - context_icbf
1380: Callback and context for the incremental modes
1381: - terminate_cbf
1382: - context_icbf
1383: Callback and context for a terminate handler
1.17 cvs 1384: -error_html if TRUE, then display any server error message as an
1385: HTML document.
1.88 ! cvs 1386: - content_type a string
! 1387:
1.4 cvs 1388: Outputs:
1389: - urlName The URL that was retrieved
1390: - outputfile The name of the temporary file which holds the
1391: retrieved data. (Only in case of success)
1.88 ! cvs 1392: - if content_type wasn't NULL, it will contain a copy of the parameter
! 1393: sent in the HTTP answer
1.4 cvs 1394: Returns:
1395: HT_ERROR
1396: HT_OK
1.5 cvs 1397:
1398: ----------------------------------------------------------------------*/
1.4 cvs 1399: #ifdef __STDC__
1.52 cvs 1400: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1401: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1.88 ! cvs 1402: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1403: #else
1.52 cvs 1404: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1.88 ! cvs 1405: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1406: int docid;
1407: char *urlName;
1408: char *postString;
1409: char *outputfile;
1410: int mode;
1411: TIcbf *incremental_cbf;
1412: void *context_icbf;
1413: TTcbf *terminate_cbf;
1414: void *context_tcbf;
1415: boolean error_html;
1.88 ! cvs 1416: char *content_type;
1.4 cvs 1417: #endif
1418: {
1419: AHTReqContext *me;
1420: char *ref;
1421: int status;
1.7 cvs 1422:
1.69 cvs 1423: if (urlName == NULL || docid == 0 || outputfile == NULL) {
1424: /* no file to be loaded */
1425: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1426:
1427: if (error_html)
1428: /* so we can show the error message */
1429: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1430: return HT_ERROR;
1431:
1432: }
1.7 cvs 1433:
1.4 cvs 1434: /* do we support this protocol? */
1.69 cvs 1435: if (IsValidProtocol (urlName) == NO) {
1436: /* return error */
1437: outputfile[0] = EOS; /* file could not be opened */
1438: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1439:
1440: if (error_html)
1441: /* so we can show the error message */
1442: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1443: return HT_ERROR;
1444: }
1.4 cvs 1445:
1.58 cvs 1446: /*create a tempfilename */
1.59 cvs 1447: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1448:
1449: /* update the object_counter */
1450: object_counter++;
1451: /* normalize the URL */
1.45 cvs 1452: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1453: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1454: if (ref == (char*) NULL || ref[0] == EOS) {
1455: /*error */
1456: outputfile[0] = EOS;
1457: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1458:
1459: if (error_html)
1460: /* so we can show the error message */
1461: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.4 cvs 1462:
1.69 cvs 1463: return HT_ERROR;
1464: }
1.4 cvs 1465: /* verify if that file name existed */
1.9 cvs 1466: if (TtaFileExist (outputfile))
1.77 cvs 1467: TtaFileUnlink (outputfile);
1.4 cvs 1468:
1469: /* Initialize the request structure */
1470: me = AHTReqContext_new (docid);
1.69 cvs 1471: if (me == NULL) {
1.77 cvs 1472: outputfile[0] = EOS;
1473: /* need an error message here */
1474: TtaFreeMemory (ref);
1475: return (HT_ERROR);
1.69 cvs 1476: }
1.77 cvs 1477:
1.4 cvs 1478: /* Specific initializations for POST and GET */
1.69 cvs 1479: if (mode & AMAYA_FORM_POST) {
1.77 cvs 1480: me->method = METHOD_POST;
1481: if (postString) {
1482: me->mem_ptr = postString;
1483: me->block_size = strlen (postString);
1484: } else {
1485: me->mem_ptr = "";
1486: me->block_size = 0;
1487: }
1488: HTRequest_setMethod (me->request, METHOD_POST);
1.69 cvs 1489: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1490: } else {
1.77 cvs 1491: me->method = METHOD_GET;
1492: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1493: if (!HasKnownFileSuffix (ref))
1494: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.69 cvs 1495: }
1.4 cvs 1496:
1497: /* Common initialization */
1498: me->mode = mode;
1499: me->error_html = error_html;
1500: me->incremental_cbf = incremental_cbf;
1501: me->context_icbf = context_icbf;
1502: me->terminate_cbf = terminate_cbf;
1503: me->context_tcbf = context_tcbf;
1.88 ! cvs 1504: me->content_type = content_type;
1.64 cvs 1505:
1.69 cvs 1506: /* for the async. request modes, we need to have our
1.4 cvs 1507: own copy of outputfile and urlname
1508: */
1509:
1.69 cvs 1510: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1.77 cvs 1511: char* tmp;
1512:
1.69 cvs 1513: tmp = TtaGetMemory (strlen (outputfile) + 1);
1514: strcpy (tmp, outputfile);
1515: me->outputfile = tmp;
1516:
1517: tmp = TtaGetMemory (MAX_LENGTH + 1);
1518: strncpy (tmp, urlName, MAX_LENGTH);
1519: tmp[MAX_LENGTH] = EOS;
1520: me->urlName = tmp;
1521: # ifdef _WINDOWS
1522: HTRequest_setPreemptive (me->request, NO);
1523: } else {
1.77 cvs 1524: me->outputfile = outputfile;
1525: me->urlName = urlName;
1526: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1527: }
1.69 cvs 1528: # else /* _WINDOWS */
1529: } else {
1.77 cvs 1530: me->outputfile = outputfile;
1531: me->urlName = urlName;
1.61 cvs 1532: }
1.77 cvs 1533: /***
1.57 cvs 1534: Change for taking into account the stop button:
1535: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1536: we will loop until the document has been received or a stop signal
1537: generated
1.77 cvs 1538: ****/
1539: HTRequest_setPreemptive (me->request, NO);
1.69 cvs 1540: # endif /* _WINDOWS */
1.61 cvs 1541:
1542: /* prepare the URLname that will be displayed in teh status bar */
1543: ChopURL (me->status_urlName, me->urlName);
1544:
1.77 cvs 1545: TtaSetStatus (me->docid, 1,
1546: TtaGetMessage (AMAYA, AM_FETCHING),
1547: me->status_urlName);
1.4 cvs 1548:
1549: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1550: TtaFreeMemory (ref);
1.4 cvs 1551:
1.69 cvs 1552: if (mode & AMAYA_FORM_POST) {
1553: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1554: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1555: HTRequest_setEntityAnchor (me->request, me->anchor);
1556:
1557: status = HTLoadAbsolute (urlName, me->request);
1558: } else
1.77 cvs 1559: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1560:
1.72 cvs 1561: #ifndef _WINDOWS
1.77 cvs 1562: if (status == HT_ERROR ||
1563: me->reqStatus == HT_END ||
1564: me->reqStatus == HT_ERR)
1565: {
1566: /* in case of error, free all allocated memory and exit */
1.82 cvs 1567: if (me->output) {
1.85 cvs 1568: #ifdef DEBUG_LIBWWW
1569: fprintf (stderr, "tGetObjectWWW:: URL is %s, closing "
1570: "FILE %p\n", me->urlName, me->output);
1571: #endif
1.77 cvs 1572: fclose (me->output);
1.82 cvs 1573: me->output = NULL;
1574: }
1575:
1.72 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, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->
1581: status_urlName);
1.72 cvs 1582: } else
1.77 cvs 1583: status = HT_OK;
1.72 cvs 1584:
1585: AHTReqContext_delete (me);
1.77 cvs 1586: } else {
1.72 cvs 1587: /* part of the stop button handler */
1588: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1589: status = LoopForStop (me);
1590: AHTReqContext_delete (me);
1591: }
1592: }
1.79 cvs 1593: /* TtaHandlePendingEvents (); */
1.72 cvs 1594:
1595: #else /* !_WINDOWS */
1596:
1.71 cvs 1597: if (status == HT_ERROR) {
1598:
1.77 cvs 1599: /* in case of error, close any open files, free all allocated
1600: memory and exit */
1.85 cvs 1601: if (me->output && me->output != stdout) {
1602: #ifdef DEBUG_LIBWWW
1603: fprintf (stderr, "GetObjectWWW: URL is %s, closing "
1604: "FILE %p\n", me->urlName, me->output);
1605: #endif
1606: fclose (me->output);
1607: me->output = NULL;
1608: }
1609:
1.69 cvs 1610: if (me->reqStatus == HT_ERR) {
1.77 cvs 1611: status = HT_ERROR;
1612: /* show an error message on the status bar */
1613: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1614: TtaSetStatus (me->docid, 1,
1615: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1616: me->status_urlName);
1.69 cvs 1617: } else
1.77 cvs 1618: status = HT_OK;
1.69 cvs 1619:
1620: AHTReqContext_delete (me);
1621: } else {
1.77 cvs 1622: /* part of the stop button handler */
1623: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1624: AHTReqContext_delete (me);
1.69 cvs 1625: }
1.64 cvs 1626: }
1.79 cvs 1627: /*TtaHandlePendingEvents (); */
1.4 cvs 1628:
1.72 cvs 1629: #endif /* !_WINDOWS */
1630:
1.4 cvs 1631: return (status);
1632: }
1633:
1.5 cvs 1634: /*----------------------------------------------------------------------
1.17 cvs 1635: PutObjectWWW
1636: frontend for uploading a resource to a URL. This function downloads
1637: a file to be uploaded into memory, it then calls UploadMemWWW to
1638: finish the job.
1639:
1.5 cvs 1640: 2 upload modes are proposed:
1641: AMAYA_SYNC : blocking mode
1642: AMAYA_ASYNC : non-blocking mode
1643:
1.4 cvs 1644: When the function is called with the SYNC mode, the function will
1645: return only when the file has been uploaded.
1646: The ASYNC mode will immediately return after setting up the
1647: call. Furthermore, at the end of an upload, the ASYNC mode will
1648: call back terminate_cbf, handling it the context defined in
1649: context_tcbf.
1650:
1651: Notes:
1652: At the end of a succesful request, the urlName string contains the
1653: name of the actually uploaded URL. As a URL can change over the time,
1654: (e.g., be redirected elsewhere), it is advised that the function
1655: caller verifies the value of the urlName variable at the end of
1656: a request.
1657:
1658: Inputs:
1659: - docid Document identifier for the set of objects being
1660: retrieved.
1661: - fileName A pointer to the local file to upload
1662: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1663: - mode The retrieval mode.
1664: - terminate_cbf
1665: - context_icbf
1666: Callback and context for a terminate handler
1667:
1668: Outputs:
1669: - urlName The URL that was uploaded
1670:
1671: Returns:
1672: HT_ERROR
1673: HT_OK
1.5 cvs 1674: ----------------------------------------------------------------------*/
1.4 cvs 1675: #ifdef __STDC__
1.27 cvs 1676: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1677: TTcbf * terminate_cbf, void *context_tcbf)
1678: #else
1.26 cvs 1679: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1680: ,terminate_cbf, context_tcbf)
1681: int docid;
1682: char *urlName;
1683: char *fileName;
1684: int mode;
1.27 cvs 1685: PicType contentType;
1.4 cvs 1686: TTcbf *terminate_cbf;
1687: void *context_tcbf;
1688:
1689: #endif
1690: {
1.7 cvs 1691: /*AHTReqContext *me; */
1.4 cvs 1692: int status;
1693:
1694: int fd;
1695: struct stat file_stat;
1696: char *mem_ptr;
1697: unsigned long block_size;
1698:
1.33 cvs 1699: AmayaLastHTTPErrorMsg [0] = EOS;
1700:
1.4 cvs 1701: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1702: !TtaFileExist (fileName))
1.4 cvs 1703: /* no file to be uploaded */
1704: return HT_ERROR;
1705:
1706: /* do we support this protocol? */
1.7 cvs 1707: if (IsValidProtocol (urlName) == NO)
1708: {
1709: /* return error */
1.77 cvs 1710: TtaSetStatus (docid, 1,
1711: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 1712: urlName);
1713: return HT_ERROR;
1714: }
1.4 cvs 1715: /* read the file into memory */
1.70 cvs 1716: # ifndef _WINDOWS
1.7 cvs 1717: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1718: # else /* _WINDOWS */
1.74 cvs 1719: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.70 cvs 1720: # endif /* _WINDOWS */
1.7 cvs 1721: {
1722: /* if we could not open the file, exit */
1723: /*error msg here */
1724: return (HT_ERROR);
1725: }
1.4 cvs 1726:
1727: fstat (fd, &file_stat);
1728:
1.7 cvs 1729: if (file_stat.st_size == 0)
1730: {
1731: /* file was empty */
1732: /*errmsg here */
1733: close (fd);
1734: return (HT_ERROR);
1735: }
1.4 cvs 1736: block_size = file_stat.st_size;
1737:
1738: if (THD_TRACE)
1739: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1740:
1741: mem_ptr = (char *) TtaGetMemory (block_size);
1742:
1.7 cvs 1743: if (mem_ptr == (char *) NULL)
1744: {
1745: /* could not allocate enough memory */
1746: /*errmsg here */
1747: close (fd);
1748: return (HT_ERROR);
1749: }
1.4 cvs 1750: read (fd, mem_ptr, block_size);
1751:
1752: close (fd);
1753:
1.27 cvs 1754: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1755: block_size, mode, terminate_cbf,
1756: context_tcbf, (char *) NULL);
1757:
1758: TtaFreeMemory (mem_ptr);
1.28 cvs 1759: TtaHandlePendingEvents ();
1.4 cvs 1760: return (status);
1761: }
1762:
1.5 cvs 1763: /*----------------------------------------------------------------------
1.17 cvs 1764: UploadMemWWW
1765: low level interface function to libwww for uploading a block of
1766: memory to a URL.
1.5 cvs 1767: ----------------------------------------------------------------------*/
1.4 cvs 1768: #ifdef __STDC__
1769: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1770: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1771: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1772: char *outputfile)
1773: #else
1.27 cvs 1774: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1775: terminate_cbf, context_tcbf, outputfile)
1776: int docid;
1777: HTMethod method;
1778: char *urlName;
1.27 cvs 1779: PicType contentType;
1.4 cvs 1780: char *mem_ptr;
1781: usigned long block_size;
1782: int mode;
1783: TTcbf *terminate_cbf;
1784: void *context_tcbf;
1785: char *outputfile;
1.7 cvs 1786:
1.4 cvs 1787: #endif
1788: {
1789: AHTReqContext *me;
1790: int status;
1791:
1792: if (mem_ptr == (char *) NULL ||
1793: block_size == 0 ||
1794: docid == 0 ||
1.7 cvs 1795: urlName == (char *) NULL)
1796: {
1797: /* nothing to be uploaded */
1798: return HT_ERROR;
1799: }
1.4 cvs 1800:
1801: /* Initialize the request structure */
1802: me = AHTReqContext_new (docid);
1803:
1.7 cvs 1804: if (me == NULL)
1805: {
1806: /* need an error message here */
1807: TtaHandlePendingEvents ();
1808: return (HT_ERROR);
1809: }
1.4 cvs 1810: me->mode = mode;
1811:
1812: me->incremental_cbf = (TIcbf *) NULL;
1813: me->context_icbf = (void *) NULL;
1814: me->terminate_cbf = terminate_cbf;
1815: me->context_tcbf = context_tcbf;
1816:
1817: me->output = stdout;
1818: me->outputfile = (char *) NULL;
1819: me->urlName = urlName;
1820:
1.70 cvs 1821: #ifdef _WINDOWS
1822: HTRequest_setPreemptive (me->request, YES);
1823: #else
1.4 cvs 1824: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1825: #endif /* _WINDOWS */
1.74 cvs 1826:
1.17 cvs 1827: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1828: me->method = METHOD_PUT;
1829: HTRequest_setMethod (me->request, METHOD_PUT);
1830: me->output = stdout;
1.17 cvs 1831: /* we are not expecting to receive any input from the server */
1832: me->outputfile = (char *) NULL;
1.4 cvs 1833:
1834: me->mem_ptr = mem_ptr;
1835: me->block_size = block_size;
1.17 cvs 1836:
1837: /* set the callback which will actually copy data into the
1838: output stream */
1839:
1.4 cvs 1840: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.72 cvs 1841:
1.4 cvs 1842: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1843:
1.28 cvs 1844: /* Set the Content-Type of the file we are uploading */
1.77 cvs 1845: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1846: AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1847:
1.7 cvs 1848: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1849: HTRequest_setEntityAnchor (me->request, me->anchor);
1.74 cvs 1850: /* prepare the URLname that will be displayed in teh status bar */
1851: ChopURL (me->status_urlName, me->urlName);
1852: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1853: me->status_urlName);
1.4 cvs 1854: status = HTLoadAbsolute (urlName, me->request);
1855:
1.74 cvs 1856: #ifndef _WINDOWS
1.77 cvs 1857: if (status == HT_ERROR ||
1858: me->reqStatus == HT_END ||
1859: me->reqStatus == HT_ERR ||
1860: HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.74 cvs 1861: #else
1862: if (status == HT_ERROR)
1863: #endif /* !_WINDOWS */
1.7 cvs 1864: {
1.17 cvs 1865: status = HT_ERROR;
1.28 cvs 1866: }
1.7 cvs 1867: else
1868: {
1869: /* part of the stop button handler */
1.4 cvs 1870:
1.7 cvs 1871: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1872: {
1.70 cvs 1873: # ifndef _WINDOWS
1.7 cvs 1874: status = LoopForStop (me);
1.70 cvs 1875: # endif /* !_WINDOWS */
1.7 cvs 1876: }
1.15 cvs 1877: }
1.77 cvs 1878: AHTReqContext_delete (me);
1.4 cvs 1879: return (status);
1.28 cvs 1880: }
1.4 cvs 1881:
1882:
1883:
1.5 cvs 1884: /*----------------------------------------------------------------------
1.17 cvs 1885: Stop Request
1886: stops (kills) all active requests associated with a docid
1.5 cvs 1887: ----------------------------------------------------------------------*/
1.4 cvs 1888: #ifdef __STDC__
1889: void StopRequest (int docid)
1890: #else
1891: void StopRequest (docid)
1892: int docid;
1893: #endif
1894: {
1895: HTList *cur;
1896: AHTDocId_Status *docid_status;
1897: AHTReqContext *me;
1898: int open_requests;
1899:
1.84 cvs 1900: HTNet *reqNet;
1901: HTHost *reqHost;
1.85 cvs 1902: HTChannel *reqChannel;
1903: int reqSock;
1904:
1.7 cvs 1905: if (Amaya)
1906: {
1907: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1908: Amaya->docid_status);
1.7 cvs 1909: /* verify if there are any requests at all associated with docid */
1.4 cvs 1910:
1.7 cvs 1911: if (docid_status == (AHTDocId_Status *) NULL)
1912: return;
1.4 cvs 1913:
1.7 cvs 1914: open_requests = docid_status->counter;
1.4 cvs 1915:
1.85 cvs 1916: /* First, kill all pending requests */
1917: /* We first inhibit the activation of pending requests */
1918: HTHost_disable_PendingReqLaunch ();
1919: cur = Amaya->reqlist;
1920: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1921: {
1922: if (me->docid == docid && me->reqStatus == HT_NEW)
1923: {
1924: reqNet = HTRequest_net (me->request);
1925: reqSock = HTNet_socket (reqNet);
1926: reqChannel = HTChannel_find(reqSock);
1927: reqHost = HTChannel_host (reqChannel);
1928:
1929:
1930: HTRequest_kill (me->request);
1931: /* HTRequest_setNet (me->request, NULL);
1932: */
1933:
1934: if ((me->mode & AMAYA_ASYNC) ||
1935: (me->mode & AMAYA_IASYNC))
1936: {
1937: AHTReqContext_delete (me);
1938: }
1939:
1940: if (HTHost_isIdle (reqHost) ) {
1941: #ifdef DEBUG_LIBWWW
1942: fprintf (stderr, "Host is idle, killing socket %d\n",
1943: reqSock);;
1944: #endif /* DEBUG_LIBWWW */
1945:
1946: HTEvent_unregister (reqSock, FD_ALL);
1947: HTEvent_register(reqSock, NULL, (SockOps) FD_READ,
1948: HTHost_catchClose, HT_PRIORITY_MAX);
1949: close (reqSock);
1950: /*
1951: if (reqChannel && reqHost)
1952: HTHost_clearChannel(reqHost, HT_OK);
1953: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
1954: */
1955: }
1956:
1957: cur = Amaya->reqlist;
1958: open_requests--;
1959: }
1960: }
1961: /* enable the activation of pending requests */
1962: HTHost_enable_PendingReqLaunch ();
1963:
1964: cur = Amaya->reqlist;
1.7 cvs 1965: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1966: {
1967: if (me->docid == docid)
1968: {
1969: /* kill this request */
1.4 cvs 1970:
1.7 cvs 1971: switch (me->reqStatus)
1972: {
1973: case HT_ABORT:
1974: break;
1.4 cvs 1975:
1.7 cvs 1976: case HT_BUSY:
1977: me->reqStatus = HT_ABORT;
1978: break;
1979: case HT_NEW_PENDING:
1980: case HT_WAITING:
1981: default:
1.74 cvs 1982: me->reqStatus = HT_ABORT;
1.85 cvs 1983:
1.70 cvs 1984: # ifndef _WINDOWS
1.7 cvs 1985: RequestKillAllXtevents (me);
1.74 cvs 1986: # endif _WINDOWS
1.85 cvs 1987:
1.84 cvs 1988: reqNet = HTRequest_net (me->request);
1989: reqSock = HTNet_socket (reqNet);
1.85 cvs 1990: reqChannel = HTChannel_find(reqSock);
1991: reqHost = HTChannel_host (reqChannel);
1992:
1993: HTRequest_kill (me->request);
1994: /* HTRequest_setNet (me->request, NULL); */
1.84 cvs 1995:
1.71 cvs 1996: if ((me->mode & AMAYA_ASYNC) ||
1997: (me->mode & AMAYA_IASYNC))
1.7 cvs 1998: {
1999: AHTReqContext_delete (me);
1.84 cvs 2000:
1.7 cvs 2001: }
1.84 cvs 2002:
1.85 cvs 2003: /* if there are no more requests, then close
2004: the connection */
2005:
1.84 cvs 2006: if (HTHost_isIdle (reqHost) ) {
1.85 cvs 2007: #ifdef DEBUG_LIBWWW
2008: fprintf (stderr, "Host is idle, "
2009: "killing socket %d\n",
2010: reqSock);
2011: #endif /* DEBUG_LIBWWW */
2012: HTEvent_unregister (reqSock, FD_ALL);
2013: HTEvent_register(reqSock,
2014: NULL,
2015: (SockOps) FD_READ,
2016: HTHost_catchClose,
2017: HT_PRIORITY_MAX);
2018: close (reqSock);
2019: HTHost_clearChannel (reqHost, HT_ERROR);
2020: /*
2021: if (reqChannel && reqHost)
2022: HTHost_clearChannel(reqHost, HT_OK);
2023: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
2024: */
2025: #ifdef DEBUG_LIBWWW
2026: fprintf (stderr, "After killing, "
2027: "HTHost_isIdle gives %d\n",
2028: HTHost_isIdle (reqHost));
2029: #endif /* DEBUG_LIBWWW */
1.84 cvs 2030: }
2031:
1.74 cvs 2032: cur = Amaya->reqlist;
1.7 cvs 2033: open_requests--;
1.4 cvs 2034:
1.7 cvs 2035: break;
1.4 cvs 2036:
1.7 cvs 2037: } /* switch */
2038: } /* if me docid */
2039: } /* while */
2040: } /* if amaya open requests */
1.85 cvs 2041:
2042: } /* StopRequest */
1.17 cvs 2043:
2044: /*
2045: end of Module query.c
2046: */
2047:
1.69 cvs 2048: #endif /* AMAYA_JAVA */
1.77 cvs 2049:
2050:
1.17 cvs 2051:
2052:
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