Annotation of Amaya/amaya/query.c, revision 1.93
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.4 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.44 cvs 17: #ifndef AMAYA_JAVA
18:
1.12 cvs 19: /* Amaya includes */
1.25 cvs 20: #define THOT_EXPORT extern
1.4 cvs 21: #include "amaya.h"
1.70 cvs 22: #ifdef _WINDOWS
23: #include <fcntl.h>
24: #endif /* _WINDOWS */
1.7 cvs 25:
1.4 cvs 26: #if defined(__svr4__)
27: #define CATCH_SIG
28: #endif
29:
30: /* local structures coming from libwww and which are
1.17 cvs 31: not found in any .h file
1.7 cvs 32: */
1.68 cvs 33:
1.7 cvs 34: struct _HTStream
35: {
1.15 cvs 36: const HTStreamClass *isa;
37: FILE *fp;
1.45 cvs 38: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 39: char *end_command; /* Command to execute */
40: BOOL remove_on_close; /* Remove file? */
41: char *filename; /* Name of file */
42: HTRequest *request; /* saved for callback */
43: HTRequestCallback *callback;
1.7 cvs 44: };
45:
1.15 cvs 46:
1.7 cvs 47: struct _HTError
48: {
49: HTErrorElement element; /* Index number into HTError */
50: HTSeverity severity; /* A la VMS */
51: BOOL ignore; /* YES if msg should not go to user */
52: void *par; /* Explanation, e.g. filename */
53: int length; /* For copying by generic routine */
54: char *where; /* Which function */
55: };
56:
57:
58: struct _HTHost
59: {
60: char *hostname; /* name of host + optional port */
61: time_t ntime; /* Creation time */
62: char *type; /* Peer type */
63: int version; /* Peer version */
64: HTMethod methods; /* Public methods (bit-flag) */
65: char *server; /* Server name */
66: char *user_agent; /* User Agent */
67: char *range_units; /* Acceptable range units */
68: HTTransportMode mode; /* Supported mode */
69: HTChannel *channel; /* Persistent channel */
70: HTList *pipeline; /* Pipe line of net objects */
71: HTList *pending; /* List of pending Net objects */
72: time_t expires; /* Persistent channel expires time */
73: };
1.4 cvs 74:
75: /* Type definitions and global variables etc. local to this module */
76:
1.17 cvs 77: /*----------------------------------------------------------------------*/
78:
1.4 cvs 79: /*** private variables ***/
1.17 cvs 80:
1.4 cvs 81: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 82: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.4 cvs 83: static HTList *encodings = NULL;
1.16 cvs 84: static int object_counter = 0; /* loaded objects counter */
1.24 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;
1.89 cvs 220: me->content_type = NULL;
1.51 cvs 221: # ifndef _WINDOWS
1.4 cvs 222: me->read_xtinput_id = (XtInputId) NULL;
223: me->write_xtinput_id = (XtInputId) NULL;
224: me->except_xtinput_id = (XtInputId) NULL;
1.51 cvs 225: # endif
1.4 cvs 226: me->docid = docid;
227: HTRequest_setMethod (me->request, METHOD_GET);
228: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
229: HTRequest_setContext (me->request, me);
230: me->read_ops = 0;
231: me->write_ops = 0;
232: me->except_ops = 0;
1.36 cvs 233: /* experimental */
234: me->read_sock = INVSOC;
235: me->write_sock = INVSOC;
236: me->except_sock = INVSOC;
1.4 cvs 237:
238: /* Update the global context */
239: HTList_appendObject (Amaya->reqlist, (void *) me);
240:
241: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
242:
1.7 cvs 243: if (docid_status == NULL)
244: {
245: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
246: docid_status->docid = docid;
247: docid_status->counter = 1;
248: HTList_addObject (Amaya->docid_status, (void *) docid_status);
249: }
250: else
1.4 cvs 251: docid_status->counter++;
252:
253:
254: Amaya->open_requests++;
255:
256: /* error stream handling */
257: me->error_stream = (char *) NULL;
258: me->error_stream_size = 0;
1.74 cvs 259:
260: #ifdef DEBUG_LIBWWW
261: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
262: #endif
1.4 cvs 263: return me;
1.74 cvs 264:
1.4 cvs 265: }
266:
1.5 cvs 267: /*----------------------------------------------------------------------
1.17 cvs 268: AHTReqContext_delete
269: Delete an Amaya Context Object and update the global Amaya request
270: status.
1.5 cvs 271: ----------------------------------------------------------------------*/
1.4 cvs 272:
273: #ifdef __STDC__
1.15 cvs 274: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 275: #else
1.15 cvs 276: boolean AHTReqContext_delete (me)
1.4 cvs 277: AHTReqContext *me;
278:
279: #endif
280: {
281: AHTDocId_Status *docid_status;
282:
1.7 cvs 283: if (me)
284: {
1.4 cvs 285:
1.74 cvs 286: #ifdef DEBUG_LIBWWW
287: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
288: #endif
289:
1.7 cvs 290: if (Amaya->reqlist)
291: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 292:
1.7 cvs 293: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 294:
1.7 cvs 295: if (docid_status)
296: {
297: docid_status->counter--;
298:
299: if (docid_status->counter == 0)
300: {
301: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
302: TtaFreeMemory ((void *) docid_status);
303: }
304: }
1.79 cvs 305:
306: if (HTRequest_outputStream (me->request))
307: AHTFWriter_FREE (me->request->output_stream);
1.91 cvs 308:
1.7 cvs 309: HTRequest_delete (me->request);
1.85 cvs 310:
1.89 cvs 311: if (me->output && me->output != stdout)
1.85 cvs 312: {
313: #ifdef DEBUG_LIBWWW
314: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
315: "FILE %p\n", me->urlName, me->output);
316: #endif
317: fclose (me->output);
318: me->output = NULL;
319: }
1.79 cvs 320:
1.7 cvs 321: if (me->error_stream != (char *) NULL)
1.70 cvs 322: HT_FREE (me->error_stream);
323: # ifndef _WINDOWS
324: # ifdef WWW_XWINDOWS
1.21 cvs 325: if (me->read_xtinput_id || me->write_xtinput_id ||
326: me->except_xtinput_id)
327: RequestKillAllXtevents(me);
1.70 cvs 328: # endif /* WWW_XWINDOWS */
329: # endif /* !_WINDOWS */
1.74 cvs 330:
331: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
332: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
333: or in PutObjectWWW */
334: {
1.79 cvs 335: if (me->urlName)
336: TtaFreeMemory (me->urlName);
337: if (me->outputfile)
338: TtaFreeMemory (me->outputfile);
1.74 cvs 339: }
340:
1.7 cvs 341: TtaFreeMemory ((void *) me);
1.4 cvs 342:
1.7 cvs 343: Amaya->open_requests--;
1.4 cvs 344:
1.15 cvs 345: return TRUE;
1.4 cvs 346:
1.7 cvs 347: }
1.15 cvs 348: return FALSE;
1.4 cvs 349: }
350:
351:
1.15 cvs 352: /*----------------------------------------------------------------------
353: AHTUpload_callback
1.17 cvs 354: callback handler for executing the PUT command
1.15 cvs 355: ----------------------------------------------------------------------*/
1.4 cvs 356: #ifdef __STDC__
357: static int AHTUpload_callback (HTRequest * request, HTStream * target)
358: #else
359: static int AHTUpload_callback (request, target)
360: HTRequest *request;
361: HTStream *target;
362:
363: #endif
364: {
365: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 366: HTParentAnchor *entity = HTRequest_entityAnchor (request);
367: int len = HTAnchor_length (entity);
1.4 cvs 368: int status;
369:
370: /* Send the data down the pipe */
1.7 cvs 371:
1.4 cvs 372: status = (*target->isa->put_block) (target, me->mem_ptr, len);
373:
1.7 cvs 374: if (status == HT_LOADED || status == HT_OK)
375: {
1.13 cvs 376: if (PROT_TRACE)
377: HTTrace ("Posting Data Target is SAVED\n");
378: (*target->isa->flush) (target);
379: return (HT_LOADED);
1.7 cvs 380: }
381: if (status == HT_WOULD_BLOCK)
382: {
383: if (PROT_TRACE)
384: HTTrace ("Posting Data Target WOULD BLOCK\n");
1.74 cvs 385: #ifdef _WINDOWS
386: return HT_CONTINUE;
387: #else
388: return HT_WOULD_BLOCK;
389: #endif /* _WINDOWS */
390:
1.7 cvs 391: return HT_WOULD_BLOCK;
392: }
393: else if (status == HT_PAUSE)
394: {
395: if (PROT_TRACE)
396: HTTrace ("Posting Data Target PAUSED\n");
397: return HT_PAUSE;
398: }
399: else if (status > 0)
400: { /* Stream specific return code */
401: if (PROT_TRACE)
402: HTTrace ("Posting Data. Target returns %d\n", status);
403: return status;
404: }
405: else
406: { /* we have a real error */
407: if (PROT_TRACE)
408: HTTrace ("Posting Data Target ERROR %d\n", status);
409: return status;
410: }
1.4 cvs 411: }
412:
1.5 cvs 413: /*----------------------------------------------------------------------
1.17 cvs 414: Thread_deleteAll
415: this function deletes the whole list of active threads.
1.5 cvs 416: ----------------------------------------------------------------------*/
1.4 cvs 417: #ifdef __STDC__
418: static void Thread_deleteAll (void)
419: #else
420: static void Thread_deleteAll ()
421: #endif
422: {
1.21 cvs 423: HTList *cur;
424: AHTReqContext *me;
425: AHTDocId_Status *docid_status;
426:
1.74 cvs 427: if (Amaya && Amaya->reqlist)
428: {
429: if (Amaya->open_requests > 0)
430: #ifdef DEBUG_LIBWWW
431: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
432: "requests\n", Amaya->open_requests);
433: #endif
434: {
435: cur = Amaya->reqlist;
436:
437: /* erase the requests */
438: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
439: {
440: if (me->request)
441: {
1.70 cvs 442: # ifndef _WINDOWS
1.74 cvs 443: RequestKillAllXtevents (me);
1.70 cvs 444: # endif /* !_WINDOWS */
1.92 cvs 445:
446: if (me->request->net)
447: HTRequest_kill (me->request);
448: else
449: AHTReqContext_delete (me);
1.74 cvs 450: }
451: } /* while */
452:
453: /* erase the docid_status entities */
454: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
455: TtaFreeMemory ((void *) docid_status);
456:
457: } /* if */
1.84 cvs 458:
1.74 cvs 459: }
1.4 cvs 460: }
461:
1.5 cvs 462: /*----------------------------------------------------------------------
1.83 cvs 463: AHTOpen_file
464: ----------------------------------------------------------------------*/
465: #ifdef __STDC__
1.85 cvs 466: int AHTOpen_file (HTRequest * request)
1.83 cvs 467: #else
1.85 cvs 468: int AHTOpen_file (request)
1.83 cvs 469: HTRequest *request;
470:
471: #endif /* __STDC__ */
472: {
473: AHTReqContext *me; /* current request */
474:
475: me = HTRequest_context (request);
476:
1.93 ! cvs 477:
! 478: if (!me)
! 479: return HT_ERROR;
! 480:
1.83 cvs 481: #ifdef DEBUG_LIBWWW
1.85 cvs 482: fprintf(stderr, "AHTOpen_file: start\n");
483: #endif /* DEBUG_LIBWWW */
484:
485: if (me->reqStatus == HT_ABORT)
486: {
487: #ifdef DEBUG_LIBWWW
488: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 489: #endif /* DEBUG_LIBWWW */
490:
1.85 cvs 491: return HT_OK;
492: }
493:
494: if (HTRequest_outputStream (me->request))
495: {
496:
497: #ifdef DEBUG_LIBWWW
498: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
499: #endif /* DEBUG_LIBWWW */
500: return HT_OK;
501: }
502:
503: #ifdef DEBUG_LIBWWW
504: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
505: #endif /* DEBUG_LIBWWW */
506:
1.83 cvs 507: if (!(me->output) &&
508: (me->output != stdout) &&
509: #ifndef _WINDOWS
510: (me->output = fopen (me->outputfile, "w")) == NULL)
511: {
512: #else
513: (me->output = fopen (me->outputfile, "wb")) == NULL)
514: {
515: #endif /* !_WINDOWS */
516:
517: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 518: #ifdef DEBUG_LIBWWW
519: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
520: #endif
1.83 cvs 521: TtaSetStatus (me->docid, 1,
522: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
523: me->outputfile);
524: me->reqStatus = HT_ERR;
525: return (HT_ERROR);
526: }
527:
528: HTRequest_setOutputStream (me->request,
529: AHTFWriter_new (me->request,
530: me->output, YES));
531: me->reqStatus = HT_WAITING;
532:
533: return HT_OK;
534: }
535:
536: /*----------------------------------------------------------------------
1.17 cvs 537: redirection_handler
538: this function is registered to handle permanent and temporary
539: redirections.
540: ----------------------------------------------------------------------*/
1.4 cvs 541: #ifdef __STDC__
1.7 cvs 542: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 543: #else
544: static int redirection_handler (request, context, status)
545: HTRequest *request;
546: HTResponse *response;
547: void *param;
548: int status;
549:
550: #endif
551: {
552:
553: char *ref;
554: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 555: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 556: HTMethod method = HTRequest_method (request);
557:
558:
1.7 cvs 559: if (!new_anchor)
560: {
561: if (PROT_TRACE)
562: HTTrace ("Redirection. No destination\n");
563: return HT_OK;
564: }
1.4 cvs 565:
566: /*
567: ** Only do redirect on GET and HEAD
568: */
1.7 cvs 569: if (!HTMethod_isSafe (method))
570: {
571: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
572:
573: if (prompt)
574: {
575: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
576: NULL, NULL, NULL) != YES)
577: return HT_ERROR;
578: }
579: }
1.4 cvs 580:
581: /*
582: ** Start new request with the redirect anchor found in the headers.
583: ** Note that we reuse the same request object which means that we must
584: ** keep this around until the redirected request has terminated. It also
585: ** allows us in an easy way to keep track of the number of redirections
586: ** so that we can detect endless loops.
587: */
1.17 cvs 588:
1.7 cvs 589: if (HTRequest_doRetry (request))
590: {
591: /* do we need to normalize the URL? */
592: if (strncmp (new_anchor->parent->address, "http:", 5))
593: {
594: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 595: ref = AmayaParseUrl (new_anchor->parent->address,
596: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 597: if (ref)
598: {
1.74 cvs 599: TtaFreeMemory (new_anchor->parent->address);
600: new_anchor->parent->address = ref;
1.7 cvs 601: }
602: }
603:
604: /* update the current file name */
1.21 cvs 605: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 606: {
1.74 cvs 607: strncpy (me->urlName, new_anchor->parent->address,
608: MAX_LENGTH - 1);
1.21 cvs 609: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 610: }
611: else
1.74 cvs 612: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 613:
1.38 cvs 614: ChopURL (me->status_urlName, me->urlName);
615:
1.7 cvs 616: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 617: me->status_urlName);
1.7 cvs 618:
619: /* Start request with new credentials */
1.64 cvs 620:
1.79 cvs 621: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 622: AHTFWriter_FREE (request->output_stream);
623: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 624: #ifdef DEBUG_LIBWWW
1.79 cvs 625: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 626: "FILE %p\n", me->urlName, me->output);
627: #endif
1.79 cvs 628: fclose (me->output);
629: me->output = NULL;
630: }
1.64 cvs 631: }
1.68 cvs 632:
1.69 cvs 633: me->reqStatus = HT_NEW; /* reset the status */
1.7 cvs 634: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 635: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 636: else
1.74 cvs 637: HTLoadAnchor (new_anchor, request);
1.7 cvs 638: }
639: else
1.68 cvs 640: {
1.74 cvs 641: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
642: NULL, 0, "HTRedirectFilter");
643: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
644: NULL);
645: if (me->error_html)
646: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
647: /* so that we can show the error message */
1.68 cvs 648: }
649:
1.4 cvs 650: /*
1.74 cvs 651: ** By returning HT_ERROR we make sure that this is the last handler to be
652: ** called. We do this as we don't want any other filter to delete the
653: ** request object now when we have just started a new one ourselves
654: */
1.4 cvs 655: return HT_ERROR;
656: }
657:
1.5 cvs 658: /*----------------------------------------------------------------------
1.17 cvs 659: terminate_handler
660: this function is registered to handle the result of the request
1.5 cvs 661: ----------------------------------------------------------------------*/
1.4 cvs 662: #if __STDC__
1.7 cvs 663: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 664: #else
665: static int terminate_handler (request, response, context, status)
666: HTRequest *request;
667: HTResponse *response;
668: void *context;
669: int status;
670: #endif
671: {
672: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.13 cvs 673: boolean error_flag;
1.4 cvs 674:
675: if (!me)
1.74 cvs 676: return HT_OK; /* not an Amaya request */
677:
1.80 cvs 678: /* if Amaya was killed, treat with this request as if it were
679: issued by a Stop button event */
680: if (!AmayaIsAlive)
681: me->reqStatus = HT_ABORT;
1.74 cvs 682:
1.77 cvs 683: if (status == HT_LOADED ||
684: status == HT_CREATED ||
1.79 cvs 685: status == HT_NO_DATA ||
686: me->reqStatus == HT_ABORT)
1.74 cvs 687: error_flag = FALSE;
1.13 cvs 688: else
1.74 cvs 689: error_flag = TRUE;
690:
1.4 cvs 691: /* output any errors from the server */
1.74 cvs 692:
1.77 cvs 693: /*
1.74 cvs 694: ** me->output = output file which will receive an html file
695: ** me->error_html = yes, output HTML errors in the screen
696: ** request->error_stack == if there are any errors, they will be here
697: ** me->error_stream_size If it's != 0 means an error message has already
698: ** been written to the stack
699: */
700:
1.4 cvs 701: /* First, we verify if there are any errors and if they are not
1.17 cvs 702: ** yet written to the error stack. If no, then let's try to write them
703: ** ourselves
704: */
1.74 cvs 705:
706: #ifdef DEBUG_LIBWWW
707: fprintf (stderr, "terminate_handler: URL is "
708: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
709: status);
1.69 cvs 710: #endif
1.74 cvs 711:
1.69 cvs 712: if (me->output && me->output != stdout)
713: {
1.74 cvs 714: /* we are writing to a file */
715: if (me->reqStatus != HT_ABORT)
716: { /* if the request was not aborted and */
1.80 cvs 717: if (error_flag &&
718: me->error_html == TRUE)
719: /* there were some errors and we want to print them */
720: {
721: if (me->error_stream_size == 0)/* and the stream is empty */
722: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 723: **the error stack
1.77 cvs 724: ** into the error stream */
1.80 cvs 725: if (me->error_stream)
726: { /* if the stream is non-empty */
727: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 728: /* Clear the error context, so that we can deal with
729: this answer as if it were a normal reply */
730: HTError_deleteAll( HTRequest_error (request));
731: HTRequest_setError (request, NULL);
732: error_flag = 0;
1.74 cvs 733: }
734: } /* if error_stack */
1.85 cvs 735: }
736:
737: /* if != HT_ABORT */
738:
739: #ifdef DEBUG_LIBWWW
740: fprintf (stderr, "terminate_handler: URL is %s, closing "
741: "FILE %p\n", me->urlName, me->output);
742: #endif
1.74 cvs 743: fclose (me->output);
744: me->output = NULL;
1.69 cvs 745: }
1.80 cvs 746:
1.74 cvs 747:
1.80 cvs 748: if (error_flag)
749: me->reqStatus = HT_ERR;
750: else if (me->reqStatus != HT_ABORT)
751: me->reqStatus = HT_END;
752:
1.88 cvs 753: /* copy the content_type */
754:
755: {
756: char *content_type = request->anchor->content_type->name;
757:
758: if (content_type && content_type [0] && me->content_type)
759: {
760: /* libwww gives www/unknown when it gets an error. As this is
761: an HTML test, we force the type to text/html */
762: if (!strcmp (content_type, "www/unknown"))
763: {
764: strcpy (me->content_type, "text/html");
765: }
766: else
767: {
768: strncpy (me->content_type, content_type,
769: NAME_LENGTH -1);
770: me->content_type [NAME_LENGTH-1] = '\0';
771:
772: /* Content-Type can be specified by a server's admin. To be on
773: the safe side, we normalize its case */
774: ConvertToLowerCase (me->content_type);
775: }
776: #ifdef DEBUG_LIBWWW
777: fprintf (stderr, "content type is: %s\n", me->content_type);
778: #endif /* DEBUG_LIBWWW */
779: }
780: }
781:
1.80 cvs 782: /* don't remove or Xt will hang up during the PUT */
783:
1.28 cvs 784: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
785: (me->method == METHOD_PUT)))
1.7 cvs 786: {
1.80 cvs 787: PrintTerminateStatus (me, status);
788:
789: }
790:
1.72 cvs 791: #ifdef _WINDOWS
1.80 cvs 792: /* Try to add this to AHTEventrg.c */
1.91 cvs 793: ProcessTerminateRequest (me);
1.92 cvs 794: /* kill the windows request here, of course */
1.80 cvs 795: #endif /* WINDOWS */
1.71 cvs 796:
797: return HT_OK;
1.4 cvs 798: }
799:
1.5 cvs 800: /*----------------------------------------------------------------------
1.17 cvs 801: AHTLoadTerminate_handler
1.74 cvs 802: this is an application "AFTER" Callback. It's called by the library
803: when a request has ended, so that we can setup the correct status.
1.5 cvs 804: ----------------------------------------------------------------------*/
1.4 cvs 805:
806: #ifdef __STDC__
1.7 cvs 807: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 808: #else
809: static int AHTLoadTerminate_handler (request, response, param, status)
810: HTRequest *request;
811: HTResponse *response;
812: void *param;
813: int status;
1.69 cvs 814:
1.4 cvs 815: #endif
816: {
817: AHTReqContext *me = HTRequest_context (request);
818: HTAlertCallback *cbf;
819: AHTDocId_Status *docid_status;
820:
1.7 cvs 821: switch (status)
822: {
823: case HT_LOADED:
824: if (PROT_TRACE)
825: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 826: me->status_urlName);
1.4 cvs 827:
1.7 cvs 828: docid_status = GetDocIdStatus (me->docid,
829: Amaya->docid_status);
830:
831: if (docid_status != NULL && docid_status->counter > 1)
1.74 cvs 832: TtaSetStatus (me->docid, 1,
833: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
834: me->status_urlName);
1.7 cvs 835: break;
836:
837: case HT_NO_DATA:
838: if (PROT_TRACE)
1.74 cvs 839: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
840: me->status_urlName);
841: TtaSetStatus (me->docid, 1,
842: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 843: me->status_urlName);
1.7 cvs 844: break;
845:
846: case HT_INTERRUPTED:
847: if (PROT_TRACE)
1.74 cvs 848: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
849: me->status_urlName);
850: TtaSetStatus (me->docid, 1,
851: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
852: NULL);
1.7 cvs 853: break;
854:
855: case HT_RETRY:
856: if (PROT_TRACE)
857: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
858: HTResponse_retryTime (response));
1.74 cvs 859: TtaSetStatus (me->docid, 1,
860: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 861: me->status_urlName);
1.7 cvs 862: break;
863:
864: case HT_ERROR:
865:
866: cbf = HTAlert_find (HT_A_MESSAGE);
867: if (cbf)
868: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
869: HTRequest_error (request), NULL);
870: break;
871:
872: if (PROT_TRACE)
873: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.74 cvs 874: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
875: TtaSetStatus (me->docid, 1,
876: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 877: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 878: break;
879: default:
880: if (PROT_TRACE)
881: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
882: break;
883: }
884:
1.4 cvs 885: return HT_OK;
886: }
887:
1.27 cvs 888: /*----------------------------------------------------------------------
889: AHTAcceptTypesInit
1.74 cvs 890: This function prepares the Accept header used by Amaya during
891: the HTTP content negotiation phase
1.27 cvs 892: ----------------------------------------------------------------------*/
893: #ifdef __STDC__
894: static void AHTAcceptTypesInit (HTList *c)
895: #else /* __STDC__ */
896: static void AHTAcceptTypesInit (c)
897: HTList *c;
898: #endif /* __STDC__ */
899: {
900: if (c == (HTList *) NULL)
901: return;
902:
903: /* define here all the mime types that Amaya can accept */
904:
1.74 cvs 905: HTConversion_add (c, "image/png", "www/present",
906: HTThroughLine, 1.0, 0.0, 0.0);
907: HTConversion_add (c, "image/jpeg", "www/present",
908: HTThroughLine, 1.0, 0.0, 0.0);
909: HTConversion_add (c, "image/gif", "www/present",
910: HTThroughLine, 1.0, 0.0, 0.0);
911: HTConversion_add (c, "image/xbm", "www/present",
912: HTThroughLine, 1.0, 0.0, 0.0);
913: HTConversion_add (c, "image/xpm", "www/present",
914: HTThroughLine, 1.0, 0.0, 0.0);
915: HTConversion_add (c, "application/postscript",
916: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 917:
1.27 cvs 918: /* Define here the equivalences between MIME types and file extensions for
919: the types that Amaya can display */
920:
921: /* Register the default set of file suffix bindings */
922: HTFileInit ();
923:
924: /* Don't do any case distinction */
925: HTBind_caseSensitive (FALSE);
926: }
1.4 cvs 927:
1.5 cvs 928: /*----------------------------------------------------------------------
1.17 cvs 929: AHTConverterInit
930: Bindings between a source media type and a destination media type
931: (conversion).
1.5 cvs 932: ----------------------------------------------------------------------*/
1.15 cvs 933: #ifdef __STDC__
934: static void AHTConverterInit (HTList *c)
935: #else /* __STDC__ */
936: static void AHTConverterInit (c)
937: HTList *c;
938: #endif /* __STDC__ */
1.4 cvs 939: {
940:
941: /* Handler for custom http error messages */
1.7 cvs 942: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 943:
944: /*
945: ** These are converters that converts to something other than www/present,
946: ** that is not directly outputting someting to the user on the screen
947: */
948:
949: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
950: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
951: 1.0, 0.0, 0.0);
952: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
953: 1.0, 0.0, 0.0);
954: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
955: 1.0, 0.0, 0.0);
956: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
957: 1.0, 0.0, 0.0);
958:
959:
960: /*
961: ** The following conversions are converting ASCII output from various
962: ** protocols to HTML objects.
963: */
964: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
965: 1.0, 0.0, 0.0);
966: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
967: 1.0, 0.0, 0.0);
968: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
969: 1.0, 0.0, 0.0);
970:
971:
972: /*
973: ** We also register a special content type guess stream that can figure out
974: ** the content type by reading the first bytes of the stream
975: */
976: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
977: 1.0, 0.0, 0.0);
978:
979: /*
980: ** Register a persistent cache stream which can save an object to local
981: ** file
982: */
983: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
984: 1.0, 0.0, 0.0);
985:
986: /*
987: ** This dumps all other formats to local disk without any further
988: ** action taken
989: */
990: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
991: 0.3, 0.0, 0.0);
992:
993: }
994:
1.27 cvs 995:
1.15 cvs 996: /*----------------------------------------------------------------------
1.17 cvs 997: AHTProtocolInit
998: Registers all amaya supported protocols.
1.15 cvs 999: ----------------------------------------------------------------------*/
1.4 cvs 1000: static void AHTProtocolInit (void)
1001: {
1002:
1.17 cvs 1003: /*
1.74 cvs 1004: NB. Preemptive == YES means Blocking requests
1005: Non-preemptive == NO means Non-blocking requests
1.17 cvs 1006: */
1.4 cvs 1007:
1.63 cvs 1008: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 1009: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
1010: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
1011: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 1012: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.17 cvs 1013: #if 0 /* experimental code */
1.4 cvs 1014: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
1015: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
1016: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
1017: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
1018: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 1019: #endif
1.4 cvs 1020: }
1021:
1.15 cvs 1022: /*----------------------------------------------------------------------
1.17 cvs 1023: AHTNetInit
1024: Reegisters "before" and "after" request filters.
1.15 cvs 1025: ----------------------------------------------------------------------*/
1.4 cvs 1026: static void AHTNetInit (void)
1027: {
1028:
1029: /* Register BEFORE filters
1.74 cvs 1030: ** The BEFORE filters handle proxies, caches, rule files etc.
1031: ** The filters are called in the order by which the are registered
1032: ** Not done automaticly - may be done by application!
1033: */
1034:
1.4 cvs 1035:
1.74 cvs 1036: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
1037: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.85 cvs 1038: /* HTNet_addBefore (AHTOpen_file, NULL, NULL, 11); */
1039: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1040:
1041: /* register AFTER filters
1.74 cvs 1042: ** The AFTER filters handle error messages, logging, redirection,
1043: ** authentication etc.
1044: ** The filters are called in the order by which the are registered
1045: ** Not done automaticly - may be done by application!
1046: */
1.4 cvs 1047:
1.82 cvs 1048: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1049: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1050: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1051: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.51 cvs 1052: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1053: /* handles all errors */
1.7 cvs 1054: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1055: }
1056:
1.15 cvs 1057: /*----------------------------------------------------------------------
1.17 cvs 1058: AHTAlertInit
1059: Register alert messages and their callbacks.
1.15 cvs 1060: ----------------------------------------------------------------------*/
1061: #ifdef __STDC__
1062: static void AHTAlertInit (void)
1063: #else
1064: static void AHTAlertInit ()
1065: #endif
1066: {
1067: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1068: # ifndef _WINDOWS
1.83 cvs 1069: /* HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT); */
1.70 cvs 1070: # else /* _WINDOWS */
1071: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1072: # endif /* _WINDOWS */
1.15 cvs 1073: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1074: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1075: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1076: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1077: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1078: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1079: }
1080:
1081: /*----------------------------------------------------------------------
1.17 cvs 1082: AHTProfile_newAmaya
1083: creates the Amaya client profile for libwww.
1.15 cvs 1084: ----------------------------------------------------------------------*/
1085: #ifdef __STDC__
1086: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1087: #else /* __STDC__ */
1088: static void AHTProfile_newAmaya (AppName, AppVersion)
1089: char *AppName;
1090: char *AppVersion;
1091: #endif /* __STDC__ */
1.4 cvs 1092: {
1093: /* If the Library is not already initialized then do it */
1094: if (!HTLib_isInitialized ())
1095: HTLibInit (AppName, AppVersion);
1096:
1097: if (!converters)
1098: converters = HTList_new ();
1.27 cvs 1099: if (!acceptTypes)
1100: acceptTypes = HTList_new ();
1.4 cvs 1101: if (!encodings)
1102: encodings = HTList_new ();
1103:
1104: /* Register the default set of transport protocols */
1105: HTTransportInit ();
1106:
1107: /* Register the default set of application protocol modules */
1108: AHTProtocolInit ();
1109:
1110: /* Enable the persistent cache */
1111: /* HTCacheInit (NULL, 20); */
1112:
1113: /* Register the default set of BEFORE and AFTER filters */
1114: AHTNetInit ();
1115:
1116: /* Set up the default set of Authentication schemes */
1117: HTAAInit ();
1118:
1119: /* Get any proxy or gateway environment variables */
1120: HTProxy_getEnvVar ();
1121:
1122: /* Register the default set of converters */
1123: AHTConverterInit (converters);
1.27 cvs 1124: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1125: HTFormat_setConversion (converters);
1126:
1127: /* Register the default set of transfer encoders and decoders */
1128: HTEncoderInit (encodings); /* chunks ??? */
1129: HTFormat_setTransferCoding (encodings);
1130:
1131: /* Register the default set of MIME header parsers */
1.74 cvs 1132: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1133:
1134: /* Register the default set of Icons for directory listings */
1.27 cvs 1135: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1136:
1137: /* Register the default set of messages and dialog functions */
1138: AHTAlertInit ();
1139: HTAlert_setInteractive (YES);
1140: }
1141:
1.5 cvs 1142: /*----------------------------------------------------------------------
1.17 cvs 1143: AHTProfile_delete
1144: deletes the Amaya client profile.
1.5 cvs 1145: ----------------------------------------------------------------------*/
1.4 cvs 1146: #ifdef __STDC__
1147: static void AHTProfile_delete (void)
1148: #else
1149: static void AHTProfile_delete ()
1.7 cvs 1150: #endif /* __STDC__ */
1.4 cvs 1151: {
1.22 cvs 1152:
1153: /* free the Amaya global context */
1.74 cvs 1154: if (!converters)
1155: HTConversion_deleteAll (converters);
1156: if (!acceptTypes)
1157: HTConversion_deleteAll (acceptTypes);
1158: if (!encodings)
1159: HTCoding_deleteAll (encodings);
1160:
1161: HTList_delete (Amaya->docid_status);
1162: HTList_delete (Amaya->reqlist);
1163: TtaFreeMemory (Amaya);
1164: {
1.61 cvs 1165:
1.74 cvs 1166: if (HTLib_isInitialized ())
1167:
1.61 cvs 1168: # ifdef _WINDOWS
1169: HTEventTerminate ();
1170: # endif _WINDOWS;
1.74 cvs 1171:
1172: /* Clean up the persistent cache (if any) */
1173: HTCacheTerminate ();
1174:
1175: /* Clean up all the global preferences */
1176: HTFormat_deleteAll ();
1177:
1178: /* Terminate libwww */
1179: HTLibTerminate ();
1180: }
1.4 cvs 1181: }
1182:
1.5 cvs 1183: /*----------------------------------------------------------------------
1.17 cvs 1184: QueryInit
1185: initializes the libwww interface
1.5 cvs 1186: ----------------------------------------------------------------------*/
1.4 cvs 1187: #ifdef __STDC__
1188: void QueryInit ()
1189: #else
1190: void QueryInit ()
1191: #endif
1192: {
1193:
1.24 cvs 1194: AmayaIsAlive = TRUE;
1.4 cvs 1195: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1196:
1.69 cvs 1197: /* New AHTBridge stuff */
1.4 cvs 1198:
1.54 cvs 1199: # ifdef _WINDOWS
1.75 cvs 1200: AHTEventInit ();
1.54 cvs 1201: # endif _WINDOWS;
1.72 cvs 1202:
1.70 cvs 1203: HTEvent_setRegisterCallback (AHTEvent_register);
1.78 cvs 1204: /*** a effacer ***/
1205: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1206: /*** ***/
1.4 cvs 1207:
1.72 cvs 1208: # ifndef _WINDOWS
1209: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1210: # endif /* _WINDOWS */
1211:
1.74 cvs 1212: #ifdef DEBUG_LIBWWW
1213: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1214: #endif
1.4 cvs 1215:
1216: /* Trace activation (for debugging) */
1.7 cvs 1217: /*
1.4 cvs 1218: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1219: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1220: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1221: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1222: SHOW_CORE_TRACE;
1223:
1.7 cvs 1224: */
1.4 cvs 1225:
1226: /***
1227: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1228: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1229: ***/
1230:
1231: /* Setting up other user interfaces */
1232:
1233: /* Setting up different network parameters */
1.17 cvs 1234: /* Maximum number of simultaneous open sockets */
1.4 cvs 1235: HTNet_setMaxSocket (8);
1.75 cvs 1236: /* different network services timeouts */
1.4 cvs 1237: HTDNS_setTimeout (3600);
1.75 cvs 1238: #ifdef _WINDOWS
1239: /* under windows, the libwww persistent socket handling has
1240: ** some bugs. The following line inhibits idle socket reusal.
1241: ** this is a bit slower, but avoids crashes and gives us time
1242: ** to distribute Amaya before having to patch up libwww.
1243: */
1.76 cvs 1244: HTHost_setPersistTimeout (-1L);
1.75 cvs 1245: #else
1.76 cvs 1246: HTHost_setPersistTimeout (60L);
1.75 cvs 1247: #endif /* _WINDOWS */
1248:
1.17 cvs 1249: /* Cache is disabled in this version */
1.4 cvs 1250: HTCacheMode_setEnabled (0);
1251:
1252: /* Initialization of the global context */
1253: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1254: Amaya->reqlist = HTList_new ();
1255: Amaya->docid_status = HTList_new ();
1256: Amaya->open_requests = 0;
1.74 cvs 1257:
1.4 cvs 1258: #ifdef CATCH_SIG
1.18 cvs 1259: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1260: #endif
1.15 cvs 1261: }
1262:
1.69 cvs 1263: #ifndef _WINDOWS
1.15 cvs 1264: /*----------------------------------------------------------------------
1.17 cvs 1265: LoopForStop
1266: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1267: Not useful for windows code (Ramzi).
1.15 cvs 1268: ----------------------------------------------------------------------*/
1269: #ifdef __STDC__
1270: static int LoopForStop (AHTReqContext * me)
1271: #else
1272: static int LoopForStop (AHTReqContext * me)
1273: #endif
1274: {
1275:
1.25 cvs 1276: extern ThotAppContext app_cont;
1.51 cvs 1277: XEvent ev;
1278: XtInputMask status;
1.17 cvs 1279: int status_req = HT_OK;
1.15 cvs 1280:
1281: /* to test the async calls */
1.17 cvs 1282: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1283: while (me->reqStatus != HT_ABORT &&
1284: me->reqStatus != HT_END &&
1.69 cvs 1285: me->reqStatus != HT_ERR) {
1286: if (!AmayaIsAlive)
1287: /* Amaya was killed by one of the callback handlers */
1288: exit (0);
1289:
1290: status = XtAppPending (app_cont);
1291: if (status & XtIMXEvent) {
1292: XtAppNextEvent (app_cont, &ev);
1293: TtaHandleOneEvent (&ev);
1294: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1295: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1296: } else {
1297: XtAppNextEvent (app_cont, &ev);
1298: TtaHandleOneEvent (&ev);
1299: }
1300: }
1.4 cvs 1301:
1.69 cvs 1302: switch (me->reqStatus) {
1303: case HT_ERR:
1304: case HT_ABORT:
1.15 cvs 1305: status_req = HT_ERROR;
1306: break;
1307:
1.69 cvs 1308: case HT_END:
1.15 cvs 1309: status_req = HT_OK;
1310: break;
1311:
1.69 cvs 1312: default:
1.15 cvs 1313: break;
1.69 cvs 1314: }
1.15 cvs 1315: return (status_req);
1.4 cvs 1316: }
1.69 cvs 1317: #endif /* _WINDOWS */
1.4 cvs 1318:
1.5 cvs 1319: /*----------------------------------------------------------------------
1.15 cvs 1320: QueryClose
1.21 cvs 1321: closes all existing threads, frees all non-automatically deallocated
1322: memory and then ends libwww.
1.5 cvs 1323: ----------------------------------------------------------------------*/
1.4 cvs 1324: void QueryClose ()
1325: {
1.24 cvs 1326:
1327: AmayaIsAlive = FALSE;
1328:
1.21 cvs 1329: /* remove all the handlers and callbacks that may output a message to
1330: a non-existent Amaya window */
1331:
1332: HTNet_deleteAfter (AHTLoadTerminate_handler);
1333: HTNet_deleteAfter (redirection_handler);
1334: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1335: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1336: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1337: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.87 cvs 1338: HTHost_setActivateRequestCallback (NULL);
1.4 cvs 1339: Thread_deleteAll ();
1.21 cvs 1340:
1.4 cvs 1341: HTProxy_deleteAll ();
1342: HTNoProxy_deleteAll ();
1343: HTGateway_deleteAll ();
1344: AHTProfile_delete ();
1345: }
1346:
1.5 cvs 1347: /*----------------------------------------------------------------------
1.15 cvs 1348: GetObjectWWW
1.17 cvs 1349: this function requests a resource designated by a URLname into a
1350: temporary filename. The download can come from a simple GET operation,
1351: or can come from POSTING/GETTING a form. In the latter
1352: case, the function receives a query string to send to the server.
1353:
1.5 cvs 1354: 4 file retrieval modes are proposed:
1355: AMAYA_SYNC : blocking mode
1356: AMAYA_ISYNC : incremental, blocking mode
1357: AMAYA_ASYNC : non-blocking mode
1358: AMAYA_IASYNC : incremental, non-blocking mode
1359:
1360: In the incremental mode, each time a package arrives, it will be
1361: stored in the temporary file. In addition, if an
1362: incremental_callback function is defined, this function will be
1363: called and handled a copy of the newly received data package.
1364: Finally, if a terminate_callback function is defined, it will be
1365: invoked when the request terminates. The caller of this function
1.4 cvs 1366: can define two different contexts to be passed to the callback
1367: functions.
1368:
1369: When the function is called with the SYNC mode, the function will
1370: return only when the requested file has been loaded.
1371: The ASYNC mode will immediately return after setting up the
1372: call.
1373:
1374: Notes:
1375: At the end of a succesful request, the urlName string contains the
1376: name of the actually retrieved URL. As a URL can change over the time,
1377: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1378: caller verify the value of the urlName variable at the end of
1.4 cvs 1379: a request.
1380:
1381: Inputs:
1382: - docid Document identifier for the set of objects being
1383: retrieved.
1384: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1385: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1386: - mode The retrieval mode.
1387: - incremental_cbf
1388: - context_icbf
1389: Callback and context for the incremental modes
1390: - terminate_cbf
1391: - context_icbf
1392: Callback and context for a terminate handler
1.17 cvs 1393: -error_html if TRUE, then display any server error message as an
1394: HTML document.
1.88 cvs 1395: - content_type a string
1396:
1.4 cvs 1397: Outputs:
1398: - urlName The URL that was retrieved
1399: - outputfile The name of the temporary file which holds the
1400: retrieved data. (Only in case of success)
1.88 cvs 1401: - if content_type wasn't NULL, it will contain a copy of the parameter
1402: sent in the HTTP answer
1.4 cvs 1403: Returns:
1404: HT_ERROR
1405: HT_OK
1.5 cvs 1406:
1407: ----------------------------------------------------------------------*/
1.4 cvs 1408: #ifdef __STDC__
1.52 cvs 1409: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1410: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 1411: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1412: #else
1.52 cvs 1413: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1.88 cvs 1414: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1415: int docid;
1416: char *urlName;
1417: char *postString;
1418: char *outputfile;
1419: int mode;
1420: TIcbf *incremental_cbf;
1421: void *context_icbf;
1422: TTcbf *terminate_cbf;
1423: void *context_tcbf;
1424: boolean error_html;
1.88 cvs 1425: char *content_type;
1.4 cvs 1426: #endif
1427: {
1428: AHTReqContext *me;
1429: char *ref;
1430: int status;
1.7 cvs 1431:
1.69 cvs 1432: if (urlName == NULL || docid == 0 || outputfile == NULL) {
1433: /* no file to be loaded */
1434: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1435:
1436: if (error_html)
1437: /* so we can show the error message */
1438: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1439: return HT_ERROR;
1440:
1441: }
1.7 cvs 1442:
1.4 cvs 1443: /* do we support this protocol? */
1.69 cvs 1444: if (IsValidProtocol (urlName) == NO) {
1445: /* return error */
1446: outputfile[0] = EOS; /* file could not be opened */
1447: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1448:
1449: if (error_html)
1450: /* so we can show the error message */
1451: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1452: return HT_ERROR;
1453: }
1.4 cvs 1454:
1.58 cvs 1455: /*create a tempfilename */
1.59 cvs 1456: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1457:
1458: /* update the object_counter */
1459: object_counter++;
1460: /* normalize the URL */
1.45 cvs 1461: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1462: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1463: if (ref == (char*) NULL || ref[0] == EOS) {
1464: /*error */
1465: outputfile[0] = EOS;
1466: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1467:
1468: if (error_html)
1469: /* so we can show the error message */
1470: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.4 cvs 1471:
1.69 cvs 1472: return HT_ERROR;
1473: }
1.4 cvs 1474: /* verify if that file name existed */
1.9 cvs 1475: if (TtaFileExist (outputfile))
1.77 cvs 1476: TtaFileUnlink (outputfile);
1.4 cvs 1477:
1478: /* Initialize the request structure */
1479: me = AHTReqContext_new (docid);
1.69 cvs 1480: if (me == NULL) {
1.77 cvs 1481: outputfile[0] = EOS;
1482: /* need an error message here */
1483: TtaFreeMemory (ref);
1484: return (HT_ERROR);
1.69 cvs 1485: }
1.77 cvs 1486:
1.4 cvs 1487: /* Specific initializations for POST and GET */
1.69 cvs 1488: if (mode & AMAYA_FORM_POST) {
1.77 cvs 1489: me->method = METHOD_POST;
1490: if (postString) {
1491: me->mem_ptr = postString;
1492: me->block_size = strlen (postString);
1493: } else {
1494: me->mem_ptr = "";
1495: me->block_size = 0;
1496: }
1497: HTRequest_setMethod (me->request, METHOD_POST);
1.69 cvs 1498: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1499: } else {
1.77 cvs 1500: me->method = METHOD_GET;
1501: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1502: if (!HasKnownFileSuffix (ref))
1503: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.69 cvs 1504: }
1.4 cvs 1505:
1.93 ! cvs 1506:
! 1507: #if !defined(AMAYA_JAVA) && !defined(AMAYA_ILU) && defined (_WINDOWS)
! 1508: /* forces libwww to do sync request if in MakeBook mode */
! 1509: if (WinMakeBookFlag)
! 1510: mode = AMAYA_SYNC;
! 1511: #endif /* _WINDOWS */
! 1512:
1.4 cvs 1513: /* Common initialization */
1514: me->mode = mode;
1515: me->error_html = error_html;
1516: me->incremental_cbf = incremental_cbf;
1517: me->context_icbf = context_icbf;
1518: me->terminate_cbf = terminate_cbf;
1519: me->context_tcbf = context_tcbf;
1.88 cvs 1520: me->content_type = content_type;
1.64 cvs 1521:
1.69 cvs 1522: /* for the async. request modes, we need to have our
1.4 cvs 1523: own copy of outputfile and urlname
1524: */
1525:
1.69 cvs 1526: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1.77 cvs 1527: char* tmp;
1528:
1.69 cvs 1529: tmp = TtaGetMemory (strlen (outputfile) + 1);
1530: strcpy (tmp, outputfile);
1531: me->outputfile = tmp;
1532:
1533: tmp = TtaGetMemory (MAX_LENGTH + 1);
1534: strncpy (tmp, urlName, MAX_LENGTH);
1535: tmp[MAX_LENGTH] = EOS;
1536: me->urlName = tmp;
1537: # ifdef _WINDOWS
1538: HTRequest_setPreemptive (me->request, NO);
1539: } else {
1.77 cvs 1540: me->outputfile = outputfile;
1541: me->urlName = urlName;
1542: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1543: }
1.69 cvs 1544: # else /* _WINDOWS */
1545: } else {
1.77 cvs 1546: me->outputfile = outputfile;
1547: me->urlName = urlName;
1.61 cvs 1548: }
1.77 cvs 1549: /***
1.57 cvs 1550: Change for taking into account the stop button:
1551: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1552: we will loop until the document has been received or a stop signal
1553: generated
1.77 cvs 1554: ****/
1555: HTRequest_setPreemptive (me->request, NO);
1.69 cvs 1556: # endif /* _WINDOWS */
1.61 cvs 1557:
1558: /* prepare the URLname that will be displayed in teh status bar */
1559: ChopURL (me->status_urlName, me->urlName);
1560:
1.77 cvs 1561: TtaSetStatus (me->docid, 1,
1562: TtaGetMessage (AMAYA, AM_FETCHING),
1563: me->status_urlName);
1.4 cvs 1564:
1565: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1566: TtaFreeMemory (ref);
1.4 cvs 1567:
1.69 cvs 1568: if (mode & AMAYA_FORM_POST) {
1569: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1570: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1571: HTRequest_setEntityAnchor (me->request, me->anchor);
1572:
1573: status = HTLoadAbsolute (urlName, me->request);
1574: } else
1.77 cvs 1575: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1576:
1.72 cvs 1577: #ifndef _WINDOWS
1.77 cvs 1578: if (status == HT_ERROR ||
1579: me->reqStatus == HT_END ||
1580: me->reqStatus == HT_ERR)
1581: {
1582: /* in case of error, free all allocated memory and exit */
1.82 cvs 1583: if (me->output) {
1.85 cvs 1584: #ifdef DEBUG_LIBWWW
1585: fprintf (stderr, "tGetObjectWWW:: URL is %s, closing "
1586: "FILE %p\n", me->urlName, me->output);
1587: #endif
1.77 cvs 1588: fclose (me->output);
1.82 cvs 1589: me->output = NULL;
1590: }
1591:
1.72 cvs 1592: if (me->reqStatus == HT_ERR) {
1.77 cvs 1593: status = HT_ERROR;
1594: /* show an error message on the status bar */
1595: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1596: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->
1597: status_urlName);
1.72 cvs 1598: } else
1.77 cvs 1599: status = HT_OK;
1.72 cvs 1600:
1601: AHTReqContext_delete (me);
1.77 cvs 1602: } else {
1.72 cvs 1603: /* part of the stop button handler */
1604: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1605: status = LoopForStop (me);
1606: AHTReqContext_delete (me);
1607: }
1608: }
1609:
1610: #else /* !_WINDOWS */
1611:
1.90 cvs 1612: if (status == HT_ERROR ||
1613: me->reqStatus == HT_ERROR)
1614: {
1615: status = HT_ERROR;
1.71 cvs 1616:
1.90 cvs 1617: /* in case of error, close any open files, free all allocated
1618: memory and exit */
1619: if (me->output && me->output != stdout)
1620: {
1.85 cvs 1621: #ifdef DEBUG_LIBWWW
1.90 cvs 1622: fprintf (stderr, "GetObjectWWW: URL is %s, closing "
1623: "FILE %p\n", me->urlName, me->output);
1.85 cvs 1624: #endif
1.90 cvs 1625: fclose (me->output);
1626: me->output = NULL;
1627: }
1.85 cvs 1628:
1.90 cvs 1629: if (me->reqStatus == HT_ERR)
1630: {
1631: /* show an error message on the status bar */
1632: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1633: TtaSetStatus (me->docid, 1,
1634: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1635: me->status_urlName);
1636: }
1637: }
1638: else
1639: {
1640: status = HT_OK;
1641: }
1642:
1.93 ! cvs 1643: /* part of the stop button handler */
! 1644: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
! 1645: {
! 1646: if (HTRequest_net (me->request))
! 1647: HTRequest_kill (me->request);
! 1648: else
! 1649: AHTReqContext_delete (me);
! 1650: }
1.4 cvs 1651:
1.72 cvs 1652: #endif /* !_WINDOWS */
1653:
1.4 cvs 1654: return (status);
1655: }
1656:
1.5 cvs 1657: /*----------------------------------------------------------------------
1.17 cvs 1658: PutObjectWWW
1659: frontend for uploading a resource to a URL. This function downloads
1660: a file to be uploaded into memory, it then calls UploadMemWWW to
1661: finish the job.
1662:
1.5 cvs 1663: 2 upload modes are proposed:
1664: AMAYA_SYNC : blocking mode
1665: AMAYA_ASYNC : non-blocking mode
1666:
1.4 cvs 1667: When the function is called with the SYNC mode, the function will
1668: return only when the file has been uploaded.
1669: The ASYNC mode will immediately return after setting up the
1670: call. Furthermore, at the end of an upload, the ASYNC mode will
1671: call back terminate_cbf, handling it the context defined in
1672: context_tcbf.
1673:
1674: Notes:
1675: At the end of a succesful request, the urlName string contains the
1676: name of the actually uploaded URL. As a URL can change over the time,
1677: (e.g., be redirected elsewhere), it is advised that the function
1678: caller verifies the value of the urlName variable at the end of
1679: a request.
1680:
1681: Inputs:
1682: - docid Document identifier for the set of objects being
1683: retrieved.
1684: - fileName A pointer to the local file to upload
1685: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1686: - mode The retrieval mode.
1687: - terminate_cbf
1688: - context_icbf
1689: Callback and context for a terminate handler
1690:
1691: Outputs:
1692: - urlName The URL that was uploaded
1693:
1694: Returns:
1695: HT_ERROR
1696: HT_OK
1.5 cvs 1697: ----------------------------------------------------------------------*/
1.4 cvs 1698: #ifdef __STDC__
1.27 cvs 1699: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1700: TTcbf * terminate_cbf, void *context_tcbf)
1701: #else
1.26 cvs 1702: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1703: ,terminate_cbf, context_tcbf)
1704: int docid;
1705: char *urlName;
1706: char *fileName;
1707: int mode;
1.27 cvs 1708: PicType contentType;
1.4 cvs 1709: TTcbf *terminate_cbf;
1710: void *context_tcbf;
1711:
1712: #endif
1713: {
1.7 cvs 1714: /*AHTReqContext *me; */
1.4 cvs 1715: int status;
1716:
1717: int fd;
1718: struct stat file_stat;
1719: char *mem_ptr;
1720: unsigned long block_size;
1721:
1.33 cvs 1722: AmayaLastHTTPErrorMsg [0] = EOS;
1723:
1.4 cvs 1724: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1725: !TtaFileExist (fileName))
1.4 cvs 1726: /* no file to be uploaded */
1727: return HT_ERROR;
1728:
1729: /* do we support this protocol? */
1.7 cvs 1730: if (IsValidProtocol (urlName) == NO)
1731: {
1732: /* return error */
1.77 cvs 1733: TtaSetStatus (docid, 1,
1734: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 1735: urlName);
1736: return HT_ERROR;
1737: }
1.4 cvs 1738: /* read the file into memory */
1.70 cvs 1739: # ifndef _WINDOWS
1.7 cvs 1740: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1741: # else /* _WINDOWS */
1.74 cvs 1742: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.70 cvs 1743: # endif /* _WINDOWS */
1.7 cvs 1744: {
1745: /* if we could not open the file, exit */
1746: /*error msg here */
1747: return (HT_ERROR);
1748: }
1.4 cvs 1749:
1750: fstat (fd, &file_stat);
1751:
1.7 cvs 1752: if (file_stat.st_size == 0)
1753: {
1754: /* file was empty */
1755: /*errmsg here */
1756: close (fd);
1757: return (HT_ERROR);
1758: }
1.4 cvs 1759: block_size = file_stat.st_size;
1760:
1761: if (THD_TRACE)
1762: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1763:
1764: mem_ptr = (char *) TtaGetMemory (block_size);
1765:
1.7 cvs 1766: if (mem_ptr == (char *) NULL)
1767: {
1768: /* could not allocate enough memory */
1769: /*errmsg here */
1770: close (fd);
1771: return (HT_ERROR);
1772: }
1.4 cvs 1773: read (fd, mem_ptr, block_size);
1774:
1775: close (fd);
1776:
1.27 cvs 1777: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1778: block_size, mode, terminate_cbf,
1779: context_tcbf, (char *) NULL);
1780:
1781: TtaFreeMemory (mem_ptr);
1.28 cvs 1782: TtaHandlePendingEvents ();
1.4 cvs 1783: return (status);
1784: }
1785:
1.5 cvs 1786: /*----------------------------------------------------------------------
1.17 cvs 1787: UploadMemWWW
1788: low level interface function to libwww for uploading a block of
1789: memory to a URL.
1.5 cvs 1790: ----------------------------------------------------------------------*/
1.4 cvs 1791: #ifdef __STDC__
1792: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1793: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1794: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1795: char *outputfile)
1796: #else
1.27 cvs 1797: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1798: terminate_cbf, context_tcbf, outputfile)
1799: int docid;
1800: HTMethod method;
1801: char *urlName;
1.27 cvs 1802: PicType contentType;
1.4 cvs 1803: char *mem_ptr;
1804: usigned long block_size;
1805: int mode;
1806: TTcbf *terminate_cbf;
1807: void *context_tcbf;
1808: char *outputfile;
1.7 cvs 1809:
1.4 cvs 1810: #endif
1811: {
1812: AHTReqContext *me;
1813: int status;
1814:
1815: if (mem_ptr == (char *) NULL ||
1816: block_size == 0 ||
1817: docid == 0 ||
1.7 cvs 1818: urlName == (char *) NULL)
1819: {
1820: /* nothing to be uploaded */
1821: return HT_ERROR;
1822: }
1.4 cvs 1823:
1824: /* Initialize the request structure */
1825: me = AHTReqContext_new (docid);
1826:
1.7 cvs 1827: if (me == NULL)
1828: {
1829: /* need an error message here */
1830: TtaHandlePendingEvents ();
1831: return (HT_ERROR);
1832: }
1.4 cvs 1833: me->mode = mode;
1834:
1835: me->incremental_cbf = (TIcbf *) NULL;
1836: me->context_icbf = (void *) NULL;
1837: me->terminate_cbf = terminate_cbf;
1838: me->context_tcbf = context_tcbf;
1839:
1840: me->output = stdout;
1841: me->outputfile = (char *) NULL;
1842: me->urlName = urlName;
1843:
1.70 cvs 1844: #ifdef _WINDOWS
1845: HTRequest_setPreemptive (me->request, YES);
1846: #else
1.4 cvs 1847: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1848: #endif /* _WINDOWS */
1.74 cvs 1849:
1.17 cvs 1850: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1851: me->method = METHOD_PUT;
1852: HTRequest_setMethod (me->request, METHOD_PUT);
1853: me->output = stdout;
1.17 cvs 1854: /* we are not expecting to receive any input from the server */
1855: me->outputfile = (char *) NULL;
1.4 cvs 1856:
1857: me->mem_ptr = mem_ptr;
1858: me->block_size = block_size;
1.17 cvs 1859:
1860: /* set the callback which will actually copy data into the
1861: output stream */
1862:
1.4 cvs 1863: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.72 cvs 1864:
1.4 cvs 1865: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1866:
1.28 cvs 1867: /* Set the Content-Type of the file we are uploading */
1.77 cvs 1868: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1869: AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1870:
1.7 cvs 1871: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1872: HTRequest_setEntityAnchor (me->request, me->anchor);
1.74 cvs 1873: /* prepare the URLname that will be displayed in teh status bar */
1874: ChopURL (me->status_urlName, me->urlName);
1875: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1876: me->status_urlName);
1.4 cvs 1877: status = HTLoadAbsolute (urlName, me->request);
1878:
1.74 cvs 1879: #ifndef _WINDOWS
1.77 cvs 1880: if (status == HT_ERROR ||
1881: me->reqStatus == HT_END ||
1882: me->reqStatus == HT_ERR ||
1883: HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1884: {
1.17 cvs 1885: status = HT_ERROR;
1.28 cvs 1886: }
1.7 cvs 1887: else
1888: {
1889: /* part of the stop button handler */
1.4 cvs 1890:
1.7 cvs 1891: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1892: {
1893: status = LoopForStop (me);
1894: }
1.15 cvs 1895: }
1.90 cvs 1896: #else /* _WINDOWS */
1897: if (status == HT_ERROR ||
1898: me->reqStatus == HT_ERR) /* || Error_hasSeverity (HTRequest_error (me->request), ERR_INFO)) */
1899: status = HT_ERROR;
1900: else
1901: status = HT_OK;
1902: #endif /* _WINDOWS */
1903:
1.92 cvs 1904: if (HTRequest_net (me->request))
1905: {
1906: HTRequest_kill (me->request);
1907: }
1.93 ! cvs 1908: else
! 1909: AHTReqContext_delete (me);
1.4 cvs 1910: return (status);
1.28 cvs 1911: }
1.4 cvs 1912:
1913:
1914:
1.5 cvs 1915: /*----------------------------------------------------------------------
1.17 cvs 1916: Stop Request
1917: stops (kills) all active requests associated with a docid
1.5 cvs 1918: ----------------------------------------------------------------------*/
1.4 cvs 1919: #ifdef __STDC__
1920: void StopRequest (int docid)
1921: #else
1922: void StopRequest (docid)
1923: int docid;
1924: #endif
1925: {
1926: HTList *cur;
1927: AHTDocId_Status *docid_status;
1928: AHTReqContext *me;
1929: int open_requests;
1930:
1.84 cvs 1931: HTNet *reqNet;
1932: HTHost *reqHost;
1.85 cvs 1933: HTChannel *reqChannel;
1934: int reqSock;
1935:
1.7 cvs 1936: if (Amaya)
1937: {
1938: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1939: Amaya->docid_status);
1.7 cvs 1940: /* verify if there are any requests at all associated with docid */
1.4 cvs 1941:
1.7 cvs 1942: if (docid_status == (AHTDocId_Status *) NULL)
1943: return;
1.4 cvs 1944:
1.7 cvs 1945: open_requests = docid_status->counter;
1.4 cvs 1946:
1.85 cvs 1947: /* First, kill all pending requests */
1948: /* We first inhibit the activation of pending requests */
1949: HTHost_disable_PendingReqLaunch ();
1950: cur = Amaya->reqlist;
1951: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1952: {
1953: if (me->docid == docid && me->reqStatus == HT_NEW)
1954: {
1955: reqNet = HTRequest_net (me->request);
1956: reqSock = HTNet_socket (reqNet);
1957: reqChannel = HTChannel_find(reqSock);
1958: reqHost = HTChannel_host (reqChannel);
1.92 cvs 1959:
1.93 ! cvs 1960: if ((me->mode & AMAYA_IASYNC) ||
! 1961: (me->mode & AMAYA_ASYNC))
1.85 cvs 1962: {
1.93 ! cvs 1963: if (HTRequest_net (me->request))
! 1964: HTRequest_kill (me->request);
! 1965: else
! 1966: AHTReqContext_delete (me);
1.85 cvs 1967: }
1968:
1969: if (HTHost_isIdle (reqHost) ) {
1970: #ifdef DEBUG_LIBWWW
1971: fprintf (stderr, "Host is idle, killing socket %d\n",
1972: reqSock);;
1973: #endif /* DEBUG_LIBWWW */
1974:
1975: HTEvent_unregister (reqSock, FD_ALL);
1976: HTEvent_register(reqSock, NULL, (SockOps) FD_READ,
1977: HTHost_catchClose, HT_PRIORITY_MAX);
1978: close (reqSock);
1979: /*
1980: if (reqChannel && reqHost)
1981: HTHost_clearChannel(reqHost, HT_OK);
1982: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
1983: */
1984: }
1985:
1986: cur = Amaya->reqlist;
1987: open_requests--;
1988: }
1989: }
1990: /* enable the activation of pending requests */
1991: HTHost_enable_PendingReqLaunch ();
1992:
1993: cur = Amaya->reqlist;
1.7 cvs 1994: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1995: {
1996: if (me->docid == docid)
1997: {
1.93 ! cvs 1998: /* kill this request */
1.85 cvs 1999:
1.93 ! cvs 2000: switch (me->reqStatus)
! 2001: {
! 2002: case HT_ABORT:
! 2003: break;
! 2004:
! 2005: case HT_BUSY:
! 2006: me->reqStatus = HT_ABORT;
! 2007: break;
! 2008: case HT_NEW_PENDING:
! 2009: case HT_WAITING:
! 2010: default:
! 2011: me->reqStatus = HT_ABORT;
! 2012:
1.70 cvs 2013: # ifndef _WINDOWS
1.93 ! cvs 2014: RequestKillAllXtevents (me);
1.74 cvs 2015: # endif _WINDOWS
1.93 ! cvs 2016:
! 2017: reqNet = HTRequest_net (me->request);
! 2018: reqSock = HTNet_socket (reqNet);
! 2019: reqChannel = HTChannel_find(reqSock);
! 2020: reqHost = HTChannel_host (reqChannel);
! 2021:
! 2022: if ((me->mode & AMAYA_IASYNC) ||
! 2023: (me->mode & AMAYA_ASYNC))
! 2024: {
! 2025: if (HTRequest_net (me->request))
! 2026: HTRequest_kill (me->request);
! 2027: else
! 2028: AHTReqContext_delete (me);
! 2029: }
! 2030:
! 2031:
! 2032: /* if there are no more requests, then close
! 2033: the connection */
! 2034:
! 2035: if (HTHost_isIdle (reqHost) ) {
1.85 cvs 2036: #ifdef DEBUG_LIBWWW
1.93 ! cvs 2037: fprintf (stderr, "Host is idle, "
! 2038: "killing socket %d\n",
! 2039: reqSock);
1.85 cvs 2040: #endif /* DEBUG_LIBWWW */
1.93 ! cvs 2041: HTEvent_unregister (reqSock, FD_ALL);
! 2042: HTEvent_register(reqSock,
! 2043: NULL,
! 2044: (SockOps) FD_READ,
! 2045: HTHost_catchClose,
! 2046: HT_PRIORITY_MAX);
! 2047: close (reqSock);
! 2048: HTHost_clearChannel (reqHost, HT_ERROR);
! 2049: /*
! 2050: if (reqChannel && reqHost)
! 2051: HTHost_clearChannel(reqHost, HT_OK);
! 2052: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
! 2053: */
1.85 cvs 2054: #ifdef DEBUG_LIBWWW
1.93 ! cvs 2055: fprintf (stderr, "After killing, "
! 2056: "HTHost_isIdle gives %d\n",
! 2057: HTHost_isIdle (reqHost));
1.85 cvs 2058: #endif /* DEBUG_LIBWWW */
1.93 ! cvs 2059: }
! 2060:
! 2061: cur = Amaya->reqlist;
! 2062: open_requests--;
! 2063:
! 2064: break;
! 2065:
! 2066: } /* switch */
1.7 cvs 2067: } /* if me docid */
2068: } /* while */
2069: } /* if amaya open requests */
1.93 ! cvs 2070:
1.85 cvs 2071: } /* StopRequest */
1.17 cvs 2072:
2073: /*
2074: end of Module query.c
2075: */
2076:
1.69 cvs 2077: #endif /* AMAYA_JAVA */
1.77 cvs 2078:
2079:
1.17 cvs 2080:
2081:
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