Annotation of Amaya/amaya/query.c, revision 1.71
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: /*
9: * query.c : contains all the functions for requesting iand publishing
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
14: * R. Guetari (W3C/INRIA) 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:
211: /* Bind the Context object together with the Request Object */
212:
213: me->request = HTRequest_new ();
1.17 cvs 214:
1.4 cvs 215: /* Initialize the other members of the structure */
1.17 cvs 216: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 217: me->output = NULL;
1.51 cvs 218: # ifndef _WINDOWS
1.4 cvs 219: me->read_xtinput_id = (XtInputId) NULL;
220: me->write_xtinput_id = (XtInputId) NULL;
221: me->except_xtinput_id = (XtInputId) NULL;
1.51 cvs 222: # endif
1.4 cvs 223: me->docid = docid;
224: HTRequest_setMethod (me->request, METHOD_GET);
225: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
226: HTRequest_setContext (me->request, me);
227: me->read_ops = 0;
228: me->write_ops = 0;
229: me->except_ops = 0;
1.36 cvs 230: /* experimental */
231: me->read_sock = INVSOC;
232: me->write_sock = INVSOC;
233: me->except_sock = INVSOC;
1.4 cvs 234:
235: /* Update the global context */
236: HTList_appendObject (Amaya->reqlist, (void *) me);
237:
238: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
239:
1.7 cvs 240: if (docid_status == NULL)
241: {
242: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
243: docid_status->docid = docid;
244: docid_status->counter = 1;
245: HTList_addObject (Amaya->docid_status, (void *) docid_status);
246: }
247: else
1.4 cvs 248: docid_status->counter++;
249:
250:
251: Amaya->open_requests++;
252:
253: /* error stream handling */
254: me->error_stream = (char *) NULL;
255: me->error_stream_size = 0;
1.17 cvs 256:
1.4 cvs 257: return me;
258: }
259:
1.5 cvs 260: /*----------------------------------------------------------------------
1.17 cvs 261: AHTReqContext_delete
262: Delete an Amaya Context Object and update the global Amaya request
263: status.
1.5 cvs 264: ----------------------------------------------------------------------*/
1.4 cvs 265:
266: #ifdef __STDC__
1.15 cvs 267: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 268: #else
1.15 cvs 269: boolean AHTReqContext_delete (me)
1.4 cvs 270: AHTReqContext *me;
271:
272: #endif
273: {
274: AHTDocId_Status *docid_status;
275:
1.71 ! cvs 276:
! 277: return;
! 278:
1.7 cvs 279: if (me)
280: {
1.4 cvs 281:
1.7 cvs 282: if (Amaya->reqlist)
283: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 284:
1.7 cvs 285: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 286:
1.7 cvs 287: if (docid_status)
288: {
289: docid_status->counter--;
290:
291: if (docid_status->counter == 0)
292: {
293: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
294: TtaFreeMemory ((void *) docid_status);
295: }
296: }
297: HTRequest_delete (me->request);
1.4 cvs 298:
1.7 cvs 299: if (me->error_stream != (char *) NULL)
1.70 cvs 300: HT_FREE (me->error_stream);
301: # ifndef _WINDOWS
302: # ifdef WWW_XWINDOWS
1.21 cvs 303: if (me->read_xtinput_id || me->write_xtinput_id ||
304: me->except_xtinput_id)
305: RequestKillAllXtevents(me);
1.70 cvs 306: # endif /* WWW_XWINDOWS */
307: # endif /* !_WINDOWS */
1.7 cvs 308: TtaFreeMemory ((void *) me);
1.4 cvs 309:
1.7 cvs 310: Amaya->open_requests--;
1.4 cvs 311:
1.15 cvs 312: return TRUE;
1.4 cvs 313:
1.7 cvs 314: }
1.15 cvs 315: return FALSE;
1.4 cvs 316: }
317:
318:
1.15 cvs 319: /*----------------------------------------------------------------------
320: AHTUpload_callback
1.17 cvs 321: callback handler for executing the PUT command
1.15 cvs 322: ----------------------------------------------------------------------*/
1.4 cvs 323: #ifdef __STDC__
324: static int AHTUpload_callback (HTRequest * request, HTStream * target)
325: #else
326: static int AHTUpload_callback (request, target)
327: HTRequest *request;
328: HTStream *target;
329:
330: #endif
331: {
332: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 333: HTParentAnchor *entity = HTRequest_entityAnchor (request);
334: int len = HTAnchor_length (entity);
1.4 cvs 335: int status;
336:
337: /* Send the data down the pipe */
1.7 cvs 338:
1.4 cvs 339: status = (*target->isa->put_block) (target, me->mem_ptr, len);
340:
1.7 cvs 341: if (status == HT_LOADED || status == HT_OK)
342: {
1.13 cvs 343: if (PROT_TRACE)
344: HTTrace ("Posting Data Target is SAVED\n");
345: (*target->isa->flush) (target);
346: return (HT_LOADED);
1.7 cvs 347: }
348: if (status == HT_WOULD_BLOCK)
349: {
350: if (PROT_TRACE)
351: HTTrace ("Posting Data Target WOULD BLOCK\n");
352: return HT_WOULD_BLOCK;
353: }
354: else if (status == HT_PAUSE)
355: {
356: if (PROT_TRACE)
357: HTTrace ("Posting Data Target PAUSED\n");
358: return HT_PAUSE;
359: }
360: else if (status > 0)
361: { /* Stream specific return code */
362: if (PROT_TRACE)
363: HTTrace ("Posting Data. Target returns %d\n", status);
364: return status;
365: }
366: else
367: { /* we have a real error */
368: if (PROT_TRACE)
369: HTTrace ("Posting Data Target ERROR %d\n", status);
370: return status;
371: }
1.4 cvs 372: }
373:
1.5 cvs 374: /*----------------------------------------------------------------------
1.17 cvs 375: Thread_deleteAll
376: this function deletes the whole list of active threads.
1.5 cvs 377: ----------------------------------------------------------------------*/
1.4 cvs 378: #ifdef __STDC__
379: static void Thread_deleteAll (void)
380: #else
381: static void Thread_deleteAll ()
382: #endif
383: {
1.21 cvs 384: HTList *cur;
385: AHTReqContext *me;
386: AHTDocId_Status *docid_status;
387:
1.7 cvs 388: if (Amaya && Amaya->reqlist)
389: {
390: if (Amaya->open_requests > 0)
391: {
1.21 cvs 392: cur = Amaya->reqlist;
1.7 cvs 393:
394: HTNet_killAll ();
395: /* erase the requests */
1.47 cvs 396: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
1.7 cvs 397: {
398: if (me->request)
399: {
1.70 cvs 400: # ifndef _WINDOWS
1.7 cvs 401: RequestKillAllXtevents (me);
1.70 cvs 402: # endif /* !_WINDOWS */
1.7 cvs 403: AHTReqContext_delete (me);
404: }
405: } /* while */
1.21 cvs 406:
1.7 cvs 407: /* erase the docid_status entities */
408: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
409: TtaFreeMemory ((void *) docid_status);
410:
411: } /* if */
412: }
1.4 cvs 413: }
414:
1.5 cvs 415: /*----------------------------------------------------------------------
1.17 cvs 416: redirection_handler
417: this function is registered to handle permanent and temporary
418: redirections.
419: ----------------------------------------------------------------------*/
1.4 cvs 420: #ifdef __STDC__
1.7 cvs 421: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 422: #else
423: static int redirection_handler (request, context, status)
424: HTRequest *request;
425: HTResponse *response;
426: void *param;
427: int status;
428:
429: #endif
430: {
431:
432: char *ref;
433: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 434: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 435: HTMethod method = HTRequest_method (request);
436:
437:
1.7 cvs 438: if (!new_anchor)
439: {
440: if (PROT_TRACE)
441: HTTrace ("Redirection. No destination\n");
442: return HT_OK;
443: }
1.4 cvs 444:
445: /*
446: ** Only do redirect on GET and HEAD
447: */
1.7 cvs 448: if (!HTMethod_isSafe (method))
449: {
450: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
451:
452: if (prompt)
453: {
454: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
455: NULL, NULL, NULL) != YES)
456: return HT_ERROR;
457: }
458: }
1.4 cvs 459:
460: /*
461: ** Start new request with the redirect anchor found in the headers.
462: ** Note that we reuse the same request object which means that we must
463: ** keep this around until the redirected request has terminated. It also
464: ** allows us in an easy way to keep track of the number of redirections
465: ** so that we can detect endless loops.
466: */
1.17 cvs 467:
1.7 cvs 468: if (HTRequest_doRetry (request))
469: {
470:
471: /* Verify if this is not redundant */
472:
473: /* do we need to normalize the URL? */
474: if (strncmp (new_anchor->parent->address, "http:", 5))
475: {
476: /* Yes, so we use the pre-redirection anchor as a base name */
1.45 cvs 477: ref = AmayaParseUrl (new_anchor->parent->address, me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 478: if (ref)
479: {
1.45 cvs 480: TtaFreeMemory (new_anchor->parent->address);
1.7 cvs 481: new_anchor->parent->address = ref;
482: }
483: }
484:
485: /* update the current file name */
1.21 cvs 486: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 487: {
488: /*
489: ** copy MAX_LENGTH cars. The error will be detected later on and shown on the
490: ** screen. This code will be fixed up later on
491: */
1.21 cvs 492: strncpy (me->urlName, new_anchor->parent->address, MAX_LENGTH - 1);
493: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 494: }
495: else
496: strcpy (me->urlName, new_anchor->parent->address);
497:
1.38 cvs 498: ChopURL (me->status_urlName, me->urlName);
499:
1.7 cvs 500: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 501: me->status_urlName);
1.7 cvs 502:
503: /* Start request with new credentials */
1.64 cvs 504:
1.69 cvs 505: if (me->output) {
506: #ifdef JOSE
507: fprintf (stderr, "redirection_handler: url %s, closing fd %d\n", me->urlName, me->output);
508: #endif
509: AHTFWriter_FREE (request->output_stream);
510: fclose (me->output);
511: me->output = NULL;
1.64 cvs 512: }
1.68 cvs 513:
1.69 cvs 514: me->reqStatus = HT_NEW; /* reset the status */
1.7 cvs 515: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.68 cvs 516: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 517: else
1.68 cvs 518: HTLoadAnchor (new_anchor, request);
1.7 cvs 519: }
520: else
1.68 cvs 521: {
522: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
523: NULL, 0, "HTRedirectFilter");
524: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
525: NULL);
526: if (me->error_html)
527: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR; /* so we can show the error message */
528: }
529:
1.4 cvs 530: /*
1.68 cvs 531: ** By returning HT_ERROR we make sure that this is the last handler to be
532: ** called. We do this as we don't want any other filter to delete the
533: ** request object now when we have just started a new one ourselves
534: */
1.4 cvs 535: return HT_ERROR;
536: }
537:
1.5 cvs 538: /*----------------------------------------------------------------------
1.17 cvs 539: terminate_handler
540: this function is registered to handle the result of the request
1.5 cvs 541: ----------------------------------------------------------------------*/
1.4 cvs 542: #if __STDC__
1.7 cvs 543: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 544: #else
545: static int terminate_handler (request, response, context, status)
546: HTRequest *request;
547: HTResponse *response;
548: void *context;
549: int status;
550: #endif
551: {
552: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.13 cvs 553: boolean error_flag;
1.28 cvs 554: char msg_status[10];
555: HTError *error;
1.30 cvs 556: HTErrorElement errorElement;
1.29 cvs 557: HTList *cur;
1.4 cvs 558:
559: if (!me)
560: return HT_OK; /* not an Amaya request */
561:
1.24 cvs 562: if (!AmayaIsAlive)
1.52 cvs 563: me->reqStatus = HT_ABORT;
1.24 cvs 564:
1.13 cvs 565: if (status == HT_LOADED || status == HT_CREATED || status == HT_NO_DATA)
1.52 cvs 566: error_flag = FALSE;
1.13 cvs 567: else
1.52 cvs 568: error_flag = TRUE;
1.13 cvs 569:
1.4 cvs 570: /* output any errors from the server */
571:
1.5 cvs 572: /***
1.4 cvs 573: ** me->output = output file which will receive an html file
574: ** me->error_html = yes, output HTML errors in the screen
575: ** request->error_stack == if there are any errors, they will be here
576: ** me->error_stream_size If it's != 0 means an error message has already
577: ** been written to the stack
578: */
579:
580: /* First, we verify if there are any errors and if they are not
1.17 cvs 581: ** yet written to the error stack. If no, then let's try to write them
582: ** ourselves
583: */
1.4 cvs 584:
1.69 cvs 585: #ifdef JOSE
586: fprintf (stderr, "terminate_handler: url %s, closing fd %d\n", me->urlName, me->output);
587: #endif
588:
589: if (me->output && me->output != stdout)
590: {
591: /* we are writing to a file */
592: if (me->reqStatus != HT_ABORT)
593: { /* if the request was not aborted and */
594: if (error_flag)
595: { /* there were some errors */
596: if (me->error_html == TRUE)
597: { /* and we want to print errors */
598: if (me->error_stream_size == 0) /* and the stream is empty */
599: AHTError_MemPrint (request); /* copy errors from the error stack
600: ** into a data structure */
601: if (me->error_stream)
602: { /* if the stream is non-empty */
603: fprintf (me->output, me->error_stream); /* output the errors */
604: error_flag = FALSE; /* show it in the HTML window */
605: }
606: else
607: me->reqStatus = HT_ERR; /* we did not get an error msg,
608: ** so just
609: ** mark error
610: */
611: }
612: else
613: me->reqStatus = HT_ERR; /* we don't want to print the error */
614: } /* if error_stack */
1.13 cvs 615: } /* if != HT_ABORT */
1.69 cvs 616: fclose (me->output);
617: me->output = NULL;
618: }
1.7 cvs 619: else
620: {
621: /* We must be doing a PUT. Verify if there was an error */
1.13 cvs 622: if (error_flag)
623: me->reqStatus = HT_ERR;
1.7 cvs 624: } /* if me-output */
625:
1.17 cvs 626: /* Second Step: choose a correct treatment in function of the request's
627: being associated with an error, with an interruption, or with a
628: succesful completion */
1.7 cvs 629:
1.13 cvs 630: if (!error_flag && me->reqStatus != HT_ERR
1.7 cvs 631: && me->reqStatus != HT_ABORT)
632: {
633: me->reqStatus = HT_END; /* no errors */
634: if (me->terminate_cbf)
635: (*me->terminate_cbf) ((AHTReqContext *) me,
636: HT_LOADED);
637: }
638: else if (me->reqStatus == HT_ABORT)
1.21 cvs 639: /* either the application ended or the user pressed the stop
640: button. We erase the incoming file, if it exists */
1.7 cvs 641: {
642: if (me->outputfile && me->outputfile[0] != EOS)
643: {
1.9 cvs 644: TtaFileUnlink (me->outputfile);
1.7 cvs 645: me->outputfile[0] = EOS;
646: }
647: }
648: else if (me->reqStatus == HT_ERR)
649: {
650: /* there was an error */
651: if (me->terminate_cbf)
652: (*me->terminate_cbf) ((AHTReqContext *) me,
653: HT_ERROR);
654:
655: if (me->outputfile && me->outputfile[0] != EOS)
656: {
1.9 cvs 657: TtaFileUnlink (me->outputfile);
1.7 cvs 658: me->outputfile[0] = EOS;
659: }
1.4 cvs 660: }
1.13 cvs 661: else if (error_flag &&
1.7 cvs 662: (me->reqStatus == HT_BUSY || me->reqStatus == HT_WAITING))
663: {
664: /* there was an error */
665: if (me->terminate_cbf)
666: (*me->terminate_cbf) ((AHTReqContext *) me,
667: HT_ERROR);
668:
669: if (me->outputfile && me->outputfile[0] != EOS)
670: {
1.9 cvs 671: TtaFileUnlink (me->outputfile);
1.7 cvs 672: me->outputfile[0] = EOS;
673: me->reqStatus = HT_ERR;
674: }
675: } /* if-else HT_END, HT_ABORT, HT_ERROR */
1.4 cvs 676:
1.7 cvs 677: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.17 cvs 678: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
679: or in PutObjectWWW */
1.7 cvs 680: {
681: TtaFreeMemory (me->urlName);
1.21 cvs 682: me->urlName = NULL;
1.7 cvs 683: TtaFreeMemory (me->outputfile);
1.21 cvs 684: me->outputfile = NULL;
1.7 cvs 685: }
1.17 cvs 686:
1.34 cvs 687: /* don't remove or Xt will hang up during the PUT */
1.4 cvs 688:
1.28 cvs 689: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
690: (me->method == METHOD_PUT)))
1.7 cvs 691: {
1.28 cvs 692: /* output the status of the request */
693: if (status == 200)
1.38 cvs 694: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REQUEST_SUCCEEDED), me->status_urlName);
1.28 cvs 695: else if (status == 201)
1.38 cvs 696: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CREATED_NEW_REMOTE_RESSOURCE), me->status_urlName);
1.28 cvs 697: else if (status == 204 && me->method == METHOD_PUT)
1.38 cvs 698: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UPDATED_REMOTE_RESSOURCE), me->status_urlName);
1.28 cvs 699: else if (status == 204 && me->method == METHOD_PUT)
700: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NO_DATA), (char *) NULL);
701: else if (status == -400 || status == 505)
1.34 cvs 702: {
1.28 cvs 703: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_DID_NOT_UNDERSTAND_REQ_SYNTAX), (char *) NULL);
1.34 cvs 704: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_DID_NOT_UNDERSTAND_REQ_SYNTAX));
705: }
706: else if (status == -401)
707: {
1.28 cvs 708: TtaSetStatus (me->docid, 1,
1.38 cvs 709: TtaGetMessage (AMAYA, AM_AUTHENTICATION_FAILURE), me->status_urlName);
710: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_AUTHENTICATION_FAILURE), me->status_urlName);
1.34 cvs 711: }
1.28 cvs 712: else if (status == -403)
1.34 cvs 713: {
714: TtaSetStatus (me->docid, 1,
1.38 cvs 715: TtaGetMessage (AMAYA, AM_FORBIDDEN_ACCESS), me->status_urlName);
1.34 cvs 716: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_FORBIDDEN_ACCESS), me->urlName);
717: }
1.28 cvs 718: else if (status == -405)
1.34 cvs 719: {
1.28 cvs 720: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_METHOD_NOT_ALLOWED), (char *) NULL);
1.34 cvs 721: sprintf(AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_METHOD_NOT_ALLOWED));
722: }
1.28 cvs 723: else if (status == -1)
724: {
1.30 cvs 725: /*
726: ** Here we deal with errors for which libwww does not
727: ** return a correct status code
728: */
1.29 cvs 729: cur = HTRequest_error (request);
730: error = (HTError *) HTList_nextObject (cur);
1.33 cvs 731: if (error == (HTError *) NULL)
732: /* there's no error context */
733: {
734: sprintf (msg_status, "%d", status);
735: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.34 cvs 736: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.69 cvs 737: return (HT_OK);
1.33 cvs 738: }
1.34 cvs 739: errorElement = error->element;
740:
1.30 cvs 741: if (errorElement == HTERR_NOT_IMPLEMENTED)
1.28 cvs 742: {
1.30 cvs 743: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_NOT_IMPLEMENTED_501_ERROR), (char *) NULL);
1.34 cvs 744: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_NOT_IMPLEMENTED_501_ERROR));
1.30 cvs 745: status = -501;
746: }
747: else if (errorElement == HTERR_INTERNAL)
748: {
1.31 cvs 749: if ((error->length > 0) && (error->length <= 25) &&
1.34 cvs 750: (error->par) && (((char *) error->par)[0] != EOS))
751: {
1.30 cvs 752: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_CAUSE), (char *) (error->par));
1.34 cvs 753: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_CAUSE), (char *) (error->par));
754: }
1.30 cvs 755: else
1.34 cvs 756: {
1.30 cvs 757: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_NO_CAUSE), (char *) NULL);
1.34 cvs 758: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_NO_CAUSE));
759: }
1.28 cvs 760: status = -500;
761: }
1.30 cvs 762: else
763: {
764: sprintf (msg_status, "%d", status);
765: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.34 cvs 766: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.30 cvs 767: }
1.28 cvs 768: }
1.7 cvs 769: }
1.71 ! cvs 770:
! 771: /* erase the context if we're dealing with an asynchronous request */
! 772: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC)) {
! 773: me->reqStatus = HT_END;
! 774: /** AHTReqContext_delete (me); **/
! 775: }
! 776:
! 777: return HT_OK;
1.4 cvs 778: }
779:
1.5 cvs 780: /*----------------------------------------------------------------------
1.17 cvs 781: AHTLoadTerminate_handler
782: this is an application "AFTER" Callback. It uses all the functionaly
1.27 cvs 783: that the app part of the Library gives for handling AFTER a request.
1.5 cvs 784: ----------------------------------------------------------------------*/
1.4 cvs 785:
786: #ifdef __STDC__
1.7 cvs 787: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 788: #else
789: static int AHTLoadTerminate_handler (request, response, param, status)
790: HTRequest *request;
791: HTResponse *response;
792: void *param;
793: int status;
1.69 cvs 794:
1.4 cvs 795: #endif
796: {
797: AHTReqContext *me = HTRequest_context (request);
798: HTAlertCallback *cbf;
799: AHTDocId_Status *docid_status;
800:
1.7 cvs 801: switch (status)
802: {
803: case HT_LOADED:
804: if (PROT_TRACE)
805: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 806: me->status_urlName);
1.4 cvs 807:
1.7 cvs 808: docid_status = GetDocIdStatus (me->docid,
809: Amaya->docid_status);
810:
811: if (docid_status != NULL && docid_status->counter > 1)
812: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA,
1.38 cvs 813: AM_ELEMENT_LOADED), me->status_urlName);
1.7 cvs 814:
815: break;
816:
817: case HT_NO_DATA:
818: if (PROT_TRACE)
1.38 cvs 819: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n", me->status_urlName);
1.7 cvs 820: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 821: me->status_urlName);
1.7 cvs 822: break;
823:
824: case HT_INTERRUPTED:
825: if (PROT_TRACE)
1.38 cvs 826: HTTrace ("Load End.... INTERRUPTED: `%s\'\n", me->status_urlName);
1.7 cvs 827: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOAD_ABORT), NULL);
828:
829: break;
830:
831: case HT_RETRY:
832: if (PROT_TRACE)
833: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
834: HTResponse_retryTime (response));
835: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 836: me->status_urlName);
1.7 cvs 837: break;
838:
839: case HT_ERROR:
840:
841: cbf = HTAlert_find (HT_A_MESSAGE);
842: if (cbf)
843: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
844: HTRequest_error (request), NULL);
845: break;
846:
847: if (PROT_TRACE)
848: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.38 cvs 849: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 850: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 851: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 852: break;
853: default:
854: if (PROT_TRACE)
855: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
856: break;
857: }
858:
1.4 cvs 859: return HT_OK;
860: }
861:
1.27 cvs 862: /*----------------------------------------------------------------------
863: AHTAcceptTypesInit
864: ----------------------------------------------------------------------*/
865: #ifdef __STDC__
866: static void AHTAcceptTypesInit (HTList *c)
867: #else /* __STDC__ */
868: static void AHTAcceptTypesInit (c)
869: HTList *c;
870: #endif /* __STDC__ */
871: {
872: if (c == (HTList *) NULL)
873: return;
874:
875: /* define here all the mime types that Amaya can accept */
876:
877: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
878: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
879: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
880: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
881: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
882: HTConversion_add (c, "application/postscript", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 883:
1.27 cvs 884: /* Define here the equivalences between MIME types and file extensions for
885: the types that Amaya can display */
886:
887: /* Register the default set of file suffix bindings */
888: HTFileInit ();
889:
890: /* Don't do any case distinction */
891: HTBind_caseSensitive (FALSE);
892: }
1.4 cvs 893:
1.5 cvs 894: /*----------------------------------------------------------------------
1.17 cvs 895: AHTConverterInit
896: Bindings between a source media type and a destination media type
897: (conversion).
1.5 cvs 898: ----------------------------------------------------------------------*/
1.15 cvs 899: #ifdef __STDC__
900: static void AHTConverterInit (HTList *c)
901: #else /* __STDC__ */
902: static void AHTConverterInit (c)
903: HTList *c;
904: #endif /* __STDC__ */
1.4 cvs 905: {
906:
907: /* Handler for custom http error messages */
1.7 cvs 908: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 909:
910: /*
911: ** These are converters that converts to something other than www/present,
912: ** that is not directly outputting someting to the user on the screen
913: */
914:
915: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
916: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
917: 1.0, 0.0, 0.0);
918: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
919: 1.0, 0.0, 0.0);
920: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
921: 1.0, 0.0, 0.0);
922: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
923: 1.0, 0.0, 0.0);
924:
925:
926: /*
927: ** The following conversions are converting ASCII output from various
928: ** protocols to HTML objects.
929: */
930: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
931: 1.0, 0.0, 0.0);
932: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
933: 1.0, 0.0, 0.0);
934: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
935: 1.0, 0.0, 0.0);
936:
937:
938: /*
939: ** We also register a special content type guess stream that can figure out
940: ** the content type by reading the first bytes of the stream
941: */
942: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
943: 1.0, 0.0, 0.0);
944:
945: /*
946: ** Register a persistent cache stream which can save an object to local
947: ** file
948: */
949: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
950: 1.0, 0.0, 0.0);
951:
952: /*
953: ** This dumps all other formats to local disk without any further
954: ** action taken
955: */
956: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
957: 0.3, 0.0, 0.0);
958:
959: }
960:
1.27 cvs 961:
1.15 cvs 962: /*----------------------------------------------------------------------
1.17 cvs 963: AHTProtocolInit
964: Registers all amaya supported protocols.
1.15 cvs 965: ----------------------------------------------------------------------*/
1.4 cvs 966: static void AHTProtocolInit (void)
967: {
968:
1.17 cvs 969: /*
970: NB. Preemptive == YES = Blocking request
971: Non-preemptive == NO = Non-blocking request
972: */
1.4 cvs 973:
1.63 cvs 974: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 975: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
976: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
977: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 978: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.17 cvs 979: #if 0 /* experimental code */
1.4 cvs 980: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
981: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
982: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
983: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
984: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 985: #endif
1.4 cvs 986: }
987:
1.15 cvs 988: /*----------------------------------------------------------------------
1.17 cvs 989: AHTNetInit
990: Reegisters "before" and "after" request filters.
1.15 cvs 991: ----------------------------------------------------------------------*/
1.4 cvs 992: static void AHTNetInit (void)
993: {
994:
995: /* Register BEFORE filters
996: ** The BEFORE filters handle proxies, caches, rule files etc.
997: ** The filters are called in the order by which the are registered
998: ** Not done automaticly - may be done by application!
999: */
1000:
1001:
1.7 cvs 1002: /*#ifndef HACK_WWW */
1003: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
1004: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.4 cvs 1005:
1.7 cvs 1006: /*#endif */
1.4 cvs 1007:
1008: /* register AFTER filters
1009: ** The AFTER filters handle error messages, logging, redirection,
1010: ** authentication etc.
1011: ** The filters are called in the order by which the are registered
1012: ** Not done automaticly - may be done by application!
1013: */
1014:
1015: #ifndef HACK_WWW
1.51 cvs 1016: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, 5);
1017: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, 5);
1018: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, 5);
1019: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, 5);
1020: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1021: /* handles all errors */
1.7 cvs 1022: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1023: #endif
1024: }
1025:
1.15 cvs 1026: /*----------------------------------------------------------------------
1.17 cvs 1027: AHTAlertInit
1028: Register alert messages and their callbacks.
1.15 cvs 1029: ----------------------------------------------------------------------*/
1030: #ifdef __STDC__
1031: static void AHTAlertInit (void)
1032: #else
1033: static void AHTAlertInit ()
1034: #endif
1035: {
1036: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1037: # ifndef _WINDOWS
1.15 cvs 1038: HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT);
1.70 cvs 1039: # else /* _WINDOWS */
1040: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1041: # endif /* _WINDOWS */
1.15 cvs 1042: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1043: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1044: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1045: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1046: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1047: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1048: }
1049:
1050: /*----------------------------------------------------------------------
1.17 cvs 1051: AHTProfile_newAmaya
1052: creates the Amaya client profile for libwww.
1.15 cvs 1053: ----------------------------------------------------------------------*/
1054: #ifdef __STDC__
1055: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1056: #else /* __STDC__ */
1057: static void AHTProfile_newAmaya (AppName, AppVersion)
1058: char *AppName;
1059: char *AppVersion;
1060: #endif /* __STDC__ */
1.4 cvs 1061: {
1062: /* If the Library is not already initialized then do it */
1063: if (!HTLib_isInitialized ())
1064: HTLibInit (AppName, AppVersion);
1065:
1066: if (!converters)
1067: converters = HTList_new ();
1.27 cvs 1068: if (!acceptTypes)
1069: acceptTypes = HTList_new ();
1.4 cvs 1070: if (!encodings)
1071: encodings = HTList_new ();
1072:
1073: /* Register the default set of transport protocols */
1074: HTTransportInit ();
1075:
1076: /* Register the default set of application protocol modules */
1077: #ifndef HACK_WWW
1078: AHTProtocolInit ();
1079: #endif
1080:
1081: /* Enable the persistent cache */
1082: /* HTCacheInit (NULL, 20); */
1083:
1084: /* Register the default set of BEFORE and AFTER filters */
1085: AHTNetInit ();
1086:
1087: /* Set up the default set of Authentication schemes */
1088: HTAAInit ();
1089:
1090: /* Get any proxy or gateway environment variables */
1091: HTProxy_getEnvVar ();
1092:
1093: /* Register the default set of converters */
1094: AHTConverterInit (converters);
1.27 cvs 1095: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1096: HTFormat_setConversion (converters);
1097:
1098: /* Register the default set of transfer encoders and decoders */
1099: HTEncoderInit (encodings); /* chunks ??? */
1100: HTFormat_setTransferCoding (encodings);
1101:
1102: /* Register the default set of MIME header parsers */
1103: HTMIMEInit (); /* must be called again for language selector */
1104:
1105: /* Register the default set of Icons for directory listings */
1.27 cvs 1106: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1107:
1108: /* Register the default set of messages and dialog functions */
1109: AHTAlertInit ();
1110: HTAlert_setInteractive (YES);
1111: }
1112:
1.5 cvs 1113: /*----------------------------------------------------------------------
1.17 cvs 1114: AHTProfile_delete
1115: deletes the Amaya client profile.
1.5 cvs 1116: ----------------------------------------------------------------------*/
1.4 cvs 1117: #ifdef __STDC__
1118: static void AHTProfile_delete (void)
1119: #else
1120: static void AHTProfile_delete ()
1.7 cvs 1121: #endif /* __STDC__ */
1.4 cvs 1122: {
1.22 cvs 1123:
1124: /* free the Amaya global context */
1.27 cvs 1125: if (!converters)
1126: HTConversion_deleteAll (converters);
1127: if (!acceptTypes)
1128: HTConversion_deleteAll (acceptTypes);
1129: if (!encodings)
1130: HTCoding_deleteAll (encodings);
1131:
1132: HTList_delete (Amaya->docid_status);
1133: HTList_delete (Amaya->reqlist);
1134: TtaFreeMemory (Amaya);
1.61 cvs 1135: {
1136:
1.22 cvs 1137: if (HTLib_isInitialized ())
1.61 cvs 1138:
1139: # ifdef _WINDOWS
1140: HTEventTerminate ();
1141: # endif _WINDOWS;
1142:
1.22 cvs 1143: /* Clean up the persistent cache (if any) */
1144: HTCacheTerminate ();
1.4 cvs 1145:
1.22 cvs 1146: /* Clean up all the global preferences */
1147: HTFormat_deleteAll ();
1.4 cvs 1148:
1.22 cvs 1149: /* Terminate libwww */
1150: HTLibTerminate ();
1151: }
1.4 cvs 1152: }
1153:
1.5 cvs 1154: /*----------------------------------------------------------------------
1.17 cvs 1155: QueryInit
1156: initializes the libwww interface
1.5 cvs 1157: ----------------------------------------------------------------------*/
1.4 cvs 1158: #ifdef __STDC__
1159: void QueryInit ()
1160: #else
1161: void QueryInit ()
1162: #endif
1163: {
1164:
1.24 cvs 1165: AmayaIsAlive = TRUE;
1.4 cvs 1166: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1167:
1.69 cvs 1168: /* New AHTBridge stuff */
1.4 cvs 1169:
1.70 cvs 1170:
1.69 cvs 1171: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1172:
1.54 cvs 1173: # ifdef _WINDOWS
1.61 cvs 1174: HTEventInit ();
1.54 cvs 1175: # endif _WINDOWS;
1.70 cvs 1176: HTEvent_setRegisterCallback (AHTEvent_register);
1.4 cvs 1177:
1178: /* Setup authentication manager */
1179: /***
1180: HTAuthCall_add("basic", HTBasic_parse, HTBasic_generate, HTBasic_delete);
1181: ****/
1182:
1183: /* Trace activation (for debugging) */
1.7 cvs 1184: /*
1.4 cvs 1185: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1186: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1187: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1188: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1189: SHOW_CORE_TRACE;
1190:
1.7 cvs 1191: */
1.4 cvs 1192:
1193: /***
1194: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1195: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1196: ***/
1197:
1198: /* Setting up other user interfaces */
1199: /* needs a little bit more work */
1200:
1201: /* Setting up handlers */
1202: #ifndef HACK_WWW
1203: /* HTNetCall_addBefore(HTLoadStart, NULL, 0); */
1204: #endif
1205:
1206: /* Setting up different network parameters */
1.17 cvs 1207: /* Maximum number of simultaneous open sockets */
1.4 cvs 1208: HTNet_setMaxSocket (8);
1209: HTDNS_setTimeout (3600);
1.17 cvs 1210: /* Cache is disabled in this version */
1.4 cvs 1211: HTCacheMode_setEnabled (0);
1212:
1213: /* Initialization of the global context */
1214: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1215: Amaya->reqlist = HTList_new ();
1216: Amaya->docid_status = HTList_new ();
1217: Amaya->open_requests = 0;
1218:
1219: #ifdef CATCH_SIG
1.18 cvs 1220: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1221: #endif
1.15 cvs 1222: }
1223:
1.69 cvs 1224: #ifndef _WINDOWS
1.15 cvs 1225: /*----------------------------------------------------------------------
1.17 cvs 1226: LoopForStop
1227: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1228: Not useful for windows code (Ramzi).
1.15 cvs 1229: ----------------------------------------------------------------------*/
1230: #ifdef __STDC__
1231: static int LoopForStop (AHTReqContext * me)
1232: #else
1233: static int LoopForStop (AHTReqContext * me)
1234: #endif
1235: {
1236:
1.25 cvs 1237: extern ThotAppContext app_cont;
1.51 cvs 1238: XEvent ev;
1239: XtInputMask status;
1.17 cvs 1240: int status_req = HT_OK;
1.15 cvs 1241:
1242: /* to test the async calls */
1.17 cvs 1243: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1244: while (me->reqStatus != HT_ABORT &&
1245: me->reqStatus != HT_END &&
1.69 cvs 1246: me->reqStatus != HT_ERR) {
1247: if (!AmayaIsAlive)
1248: /* Amaya was killed by one of the callback handlers */
1249: exit (0);
1250:
1251: status = XtAppPending (app_cont);
1252: if (status & XtIMXEvent) {
1253: XtAppNextEvent (app_cont, &ev);
1254: TtaHandleOneEvent (&ev);
1255: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1256: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1257: } else {
1258: XtAppNextEvent (app_cont, &ev);
1259: TtaHandleOneEvent (&ev);
1260: }
1261: }
1.4 cvs 1262:
1.69 cvs 1263: switch (me->reqStatus) {
1264: case HT_ERR:
1265: case HT_ABORT:
1.15 cvs 1266: status_req = HT_ERROR;
1267: break;
1268:
1.69 cvs 1269: case HT_END:
1.15 cvs 1270: status_req = HT_OK;
1271: break;
1272:
1.69 cvs 1273: default:
1.15 cvs 1274: break;
1.69 cvs 1275: }
1.15 cvs 1276: return (status_req);
1.4 cvs 1277: }
1.69 cvs 1278: #endif /* _WINDOWS */
1.4 cvs 1279:
1.5 cvs 1280: /*----------------------------------------------------------------------
1.15 cvs 1281: QueryClose
1.21 cvs 1282: closes all existing threads, frees all non-automatically deallocated
1283: memory and then ends libwww.
1.5 cvs 1284: ----------------------------------------------------------------------*/
1.4 cvs 1285: void QueryClose ()
1286: {
1.24 cvs 1287:
1288: AmayaIsAlive = FALSE;
1289:
1.21 cvs 1290: /* remove all the handlers and callbacks that may output a message to
1291: a non-existent Amaya window */
1292:
1293: HTNet_deleteAfter (AHTLoadTerminate_handler);
1294: HTNet_deleteAfter (redirection_handler);
1295: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1296: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1297: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1298: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.69 cvs 1299:
1.4 cvs 1300: Thread_deleteAll ();
1.21 cvs 1301:
1.4 cvs 1302: #ifndef HACK_WWW
1303: /** HTAuthInfo_deleteAll (); **/
1304: #endif
1305: HTProxy_deleteAll ();
1306: HTNoProxy_deleteAll ();
1307: HTGateway_deleteAll ();
1308: AHTProfile_delete ();
1309: }
1310:
1.5 cvs 1311: /*----------------------------------------------------------------------
1.15 cvs 1312: GetObjectWWW
1.17 cvs 1313: this function requests a resource designated by a URLname into a
1314: temporary filename. The download can come from a simple GET operation,
1315: or can come from POSTING/GETTING a form. In the latter
1316: case, the function receives a query string to send to the server.
1317:
1.5 cvs 1318: 4 file retrieval modes are proposed:
1319: AMAYA_SYNC : blocking mode
1320: AMAYA_ISYNC : incremental, blocking mode
1321: AMAYA_ASYNC : non-blocking mode
1322: AMAYA_IASYNC : incremental, non-blocking mode
1323:
1324: In the incremental mode, each time a package arrives, it will be
1325: stored in the temporary file. In addition, if an
1326: incremental_callback function is defined, this function will be
1327: called and handled a copy of the newly received data package.
1328: Finally, if a terminate_callback function is defined, it will be
1329: invoked when the request terminates. The caller of this function
1.4 cvs 1330: can define two different contexts to be passed to the callback
1331: functions.
1332:
1333: When the function is called with the SYNC mode, the function will
1334: return only when the requested file has been loaded.
1335: The ASYNC mode will immediately return after setting up the
1336: call.
1337:
1338: Notes:
1339: At the end of a succesful request, the urlName string contains the
1340: name of the actually retrieved URL. As a URL can change over the time,
1341: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1342: caller verify the value of the urlName variable at the end of
1.4 cvs 1343: a request.
1344:
1345: Inputs:
1346: - docid Document identifier for the set of objects being
1347: retrieved.
1348: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1349: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1350: - mode The retrieval mode.
1351: - incremental_cbf
1352: - context_icbf
1353: Callback and context for the incremental modes
1354: - terminate_cbf
1355: - context_icbf
1356: Callback and context for a terminate handler
1.17 cvs 1357: -error_html if TRUE, then display any server error message as an
1358: HTML document.
1.4 cvs 1359:
1360: Outputs:
1361: - urlName The URL that was retrieved
1362: - outputfile The name of the temporary file which holds the
1363: retrieved data. (Only in case of success)
1364: Returns:
1365: HT_ERROR
1366: HT_OK
1.5 cvs 1367:
1368: ----------------------------------------------------------------------*/
1.4 cvs 1369: #ifdef __STDC__
1.52 cvs 1370: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1371: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1372: void* context_tcbf, boolean error_html)
1.4 cvs 1373: #else
1.52 cvs 1374: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1375: terminate_cbf, context_tcbf, error_html)
1376: int docid;
1377: char* urlName;
1378: char* postString;
1379: char* outputfile;
1380: int mode;
1381: TIcbf* incremental_cbf;
1382: void* context_icbf;
1383: TTcbf* terminate_cbf;
1384: void* context_tcbf;
1385: boolean error_html;
1.4 cvs 1386: #endif
1387: {
1388: AHTReqContext *me;
1389: char *ref;
1390: int status;
1391: HTList *cur, *pending;
1.7 cvs 1392:
1.69 cvs 1393: if (urlName == NULL || docid == 0 || outputfile == NULL) {
1394: /* no file to be loaded */
1395: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1396:
1397: if (error_html)
1398: /* so we can show the error message */
1399: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1400: return HT_ERROR;
1401:
1402: }
1.7 cvs 1403:
1.4 cvs 1404: /* do we support this protocol? */
1.69 cvs 1405: if (IsValidProtocol (urlName) == NO) {
1406: /* return error */
1407: outputfile[0] = EOS; /* file could not be opened */
1408: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1409:
1410: if (error_html)
1411: /* so we can show the error message */
1412: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1413: return HT_ERROR;
1414: }
1.4 cvs 1415:
1.58 cvs 1416: /*create a tempfilename */
1.59 cvs 1417: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1418:
1419: /* update the object_counter */
1420: object_counter++;
1421: /* normalize the URL */
1.45 cvs 1422: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1423: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1424: if (ref == (char*) NULL || ref[0] == EOS) {
1425: /*error */
1426: outputfile[0] = EOS;
1427: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1428:
1429: if (error_html)
1430: /* so we can show the error message */
1431: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.4 cvs 1432:
1.69 cvs 1433: return HT_ERROR;
1434: }
1.4 cvs 1435: /* verify if that file name existed */
1.9 cvs 1436: if (TtaFileExist (outputfile))
1.52 cvs 1437: TtaFileUnlink (outputfile);
1.4 cvs 1438:
1439: /* Initialize the request structure */
1440: me = AHTReqContext_new (docid);
1.69 cvs 1441: if (me == NULL) {
1442: outputfile[0] = EOS;
1443: /* need an error message here */
1444: TtaFreeMemory (ref);
1445: return (HT_ERROR);
1446: }
1.4 cvs 1447:
1448: /* Specific initializations for POST and GET */
1.69 cvs 1449: if (mode & AMAYA_FORM_POST) {
1450: me->method = METHOD_POST;
1451: if (postString) {
1452: me->mem_ptr = postString;
1453: me->block_size = strlen (postString);
1454: } else {
1.20 cvs 1455: me->mem_ptr = "";
1456: me->block_size = 0;
1.69 cvs 1457: }
1458: HTRequest_setMethod (me->request, METHOD_POST);
1459: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1460: } else {
1461: me->method = METHOD_GET;
1462: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1463: if (!HasKnownFileSuffix (ref))
1464: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1465: }
1.4 cvs 1466:
1467: /* Common initialization */
1468: me->mode = mode;
1469: me->error_html = error_html;
1470: me->incremental_cbf = incremental_cbf;
1471: me->context_icbf = context_icbf;
1472: me->terminate_cbf = terminate_cbf;
1473: me->context_tcbf = context_tcbf;
1.64 cvs 1474:
1.69 cvs 1475: /* for the async. request modes, we need to have our
1.4 cvs 1476: own copy of outputfile and urlname
1477: */
1478:
1.69 cvs 1479: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1480: char* tmp;
1.7 cvs 1481:
1.69 cvs 1482: tmp = TtaGetMemory (strlen (outputfile) + 1);
1483: strcpy (tmp, outputfile);
1484: me->outputfile = tmp;
1485:
1486: tmp = TtaGetMemory (MAX_LENGTH + 1);
1487: strncpy (tmp, urlName, MAX_LENGTH);
1488: tmp[MAX_LENGTH] = EOS;
1489: me->urlName = tmp;
1490: # ifdef _WINDOWS
1491: HTRequest_setPreemptive (me->request, NO);
1492: } else {
1493: me->outputfile = outputfile;
1494: me->urlName = urlName;
1495: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1496: }
1.69 cvs 1497: # else /* _WINDOWS */
1498: } else {
1499: me->outputfile = outputfile;
1500: me->urlName = urlName;
1.61 cvs 1501: }
1.69 cvs 1502: /***
1.57 cvs 1503: Change for taking into account the stop button:
1504: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1505: we will loop until the document has been received or a stop signal
1506: generated
1.69 cvs 1507: ****/
1508: HTRequest_setPreemptive (me->request, NO);
1509: # endif /* _WINDOWS */
1.61 cvs 1510:
1511: /* prepare the URLname that will be displayed in teh status bar */
1512: ChopURL (me->status_urlName, me->urlName);
1513:
1.52 cvs 1514: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_FETCHING), me->status_urlName);
1.4 cvs 1515:
1516: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1517: TtaFreeMemory (ref);
1.4 cvs 1518:
1.69 cvs 1519: if (mode & AMAYA_FORM_POST) {
1520: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1521: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1522: HTRequest_setEntityAnchor (me->request, me->anchor);
1523:
1524: status = HTLoadAbsolute (urlName, me->request);
1525: } else
1526: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1527:
1.71 ! cvs 1528: if (status == HT_ERROR) {
! 1529:
1.69 cvs 1530: /* in case of error, free all allocated memory and exit */
1531: if (me->output)
1532: fclose (me->output);
1533:
1534: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1535: if (me->outputfile)
1536: TtaFreeMemory (me->outputfile);
1537: if (me->urlName)
1538: TtaFreeMemory (me->urlName);
1539: }
1540:
1541: if (me->reqStatus == HT_ERR) {
1542: status = HT_ERROR;
1543: /* show an error message on the status bar */
1544: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1545: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->status_urlName);
1546: } else
1547: status = HT_OK;
1548:
1549: AHTReqContext_delete (me);
1550: } else {
1551: /* part of the stop button handler */
1552: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1553: # ifndef _WINDOWS
1554: status = LoopForStop (me);
1555: # endif /* !_WINDOWS */
1556: AHTReqContext_delete (me);
1557: }
1.64 cvs 1558: }
1.69 cvs 1559: TtaHandlePendingEvents ();
1.4 cvs 1560:
1561: return (status);
1562: }
1563:
1.5 cvs 1564: /*----------------------------------------------------------------------
1.17 cvs 1565: PutObjectWWW
1566: frontend for uploading a resource to a URL. This function downloads
1567: a file to be uploaded into memory, it then calls UploadMemWWW to
1568: finish the job.
1569:
1.5 cvs 1570: 2 upload modes are proposed:
1571: AMAYA_SYNC : blocking mode
1572: AMAYA_ASYNC : non-blocking mode
1573:
1.4 cvs 1574: When the function is called with the SYNC mode, the function will
1575: return only when the file has been uploaded.
1576: The ASYNC mode will immediately return after setting up the
1577: call. Furthermore, at the end of an upload, the ASYNC mode will
1578: call back terminate_cbf, handling it the context defined in
1579: context_tcbf.
1580:
1581: Notes:
1582: At the end of a succesful request, the urlName string contains the
1583: name of the actually uploaded URL. As a URL can change over the time,
1584: (e.g., be redirected elsewhere), it is advised that the function
1585: caller verifies the value of the urlName variable at the end of
1586: a request.
1587:
1588: Inputs:
1589: - docid Document identifier for the set of objects being
1590: retrieved.
1591: - fileName A pointer to the local file to upload
1592: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1593: - mode The retrieval mode.
1594: - terminate_cbf
1595: - context_icbf
1596: Callback and context for a terminate handler
1597:
1598: Outputs:
1599: - urlName The URL that was uploaded
1600:
1601: Returns:
1602: HT_ERROR
1603: HT_OK
1.5 cvs 1604: ----------------------------------------------------------------------*/
1.4 cvs 1605: #ifdef __STDC__
1.27 cvs 1606: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1607: TTcbf * terminate_cbf, void *context_tcbf)
1608: #else
1.26 cvs 1609: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1610: ,terminate_cbf, context_tcbf)
1611: int docid;
1612: char *urlName;
1613: char *fileName;
1614: int mode;
1.27 cvs 1615: PicType contentType;
1.4 cvs 1616: TTcbf *terminate_cbf;
1617: void *context_tcbf;
1618:
1619: #endif
1620: {
1.7 cvs 1621: /*AHTReqContext *me; */
1.4 cvs 1622: int status;
1623:
1624: int fd;
1625: struct stat file_stat;
1626: char *mem_ptr;
1627: unsigned long block_size;
1628:
1.33 cvs 1629: AmayaLastHTTPErrorMsg [0] = EOS;
1630:
1.4 cvs 1631: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1632: !TtaFileExist (fileName))
1.4 cvs 1633: /* no file to be uploaded */
1634: return HT_ERROR;
1635:
1636: /* do we support this protocol? */
1.7 cvs 1637: if (IsValidProtocol (urlName) == NO)
1638: {
1639: /* return error */
1640: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1641: urlName);
1642: return HT_ERROR;
1643: }
1.4 cvs 1644: /* read the file into memory */
1.70 cvs 1645: # ifndef _WINDOWS
1.7 cvs 1646: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1647: # else /* _WINDOWS */
1648: if ((fd = open (fileName, _O_RDONLY)) == -1)
1649: # endif /* _WINDOWS */
1.7 cvs 1650: {
1651: /* if we could not open the file, exit */
1652: /*error msg here */
1653: return (HT_ERROR);
1654: }
1.4 cvs 1655:
1656: fstat (fd, &file_stat);
1657:
1.7 cvs 1658: if (file_stat.st_size == 0)
1659: {
1660: /* file was empty */
1661: /*errmsg here */
1662: close (fd);
1663: return (HT_ERROR);
1664: }
1.4 cvs 1665: block_size = file_stat.st_size;
1666:
1667: if (THD_TRACE)
1668: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1669:
1670: mem_ptr = (char *) TtaGetMemory (block_size);
1671:
1.7 cvs 1672: if (mem_ptr == (char *) NULL)
1673: {
1674: /* could not allocate enough memory */
1675: /*errmsg here */
1676: close (fd);
1677: return (HT_ERROR);
1678: }
1.4 cvs 1679: read (fd, mem_ptr, block_size);
1680:
1681: close (fd);
1682:
1.27 cvs 1683: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1684: block_size, mode, terminate_cbf,
1685: context_tcbf, (char *) NULL);
1686:
1687: TtaFreeMemory (mem_ptr);
1.28 cvs 1688: TtaHandlePendingEvents ();
1.4 cvs 1689: return (status);
1690: }
1691:
1.5 cvs 1692: /*----------------------------------------------------------------------
1.17 cvs 1693: UploadMemWWW
1694: low level interface function to libwww for uploading a block of
1695: memory to a URL.
1.5 cvs 1696: ----------------------------------------------------------------------*/
1.4 cvs 1697: #ifdef __STDC__
1698: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1699: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1700: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1701: char *outputfile)
1702: #else
1.27 cvs 1703: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1704: terminate_cbf, context_tcbf, outputfile)
1705: int docid;
1706: HTMethod method;
1707: char *urlName;
1.27 cvs 1708: PicType contentType;
1.4 cvs 1709: char *mem_ptr;
1710: usigned long block_size;
1711: int mode;
1712: TTcbf *terminate_cbf;
1713: void *context_tcbf;
1714: char *outputfile;
1.7 cvs 1715:
1.4 cvs 1716: #endif
1717: {
1718: AHTReqContext *me;
1719: int status;
1720:
1721: if (mem_ptr == (char *) NULL ||
1722: block_size == 0 ||
1723: docid == 0 ||
1.7 cvs 1724: urlName == (char *) NULL)
1725: {
1726: /* nothing to be uploaded */
1727: return HT_ERROR;
1728: }
1.4 cvs 1729:
1730: /* Initialize the request structure */
1731: me = AHTReqContext_new (docid);
1732:
1.7 cvs 1733: if (me == NULL)
1734: {
1735: /* need an error message here */
1736: TtaHandlePendingEvents ();
1737: return (HT_ERROR);
1738: }
1.4 cvs 1739: me->mode = mode;
1740:
1741: me->incremental_cbf = (TIcbf *) NULL;
1742: me->context_icbf = (void *) NULL;
1743: me->terminate_cbf = terminate_cbf;
1744: me->context_tcbf = context_tcbf;
1745:
1746: me->output = stdout;
1747: me->outputfile = (char *) NULL;
1748: me->urlName = urlName;
1749:
1.70 cvs 1750: #ifdef _WINDOWS
1751: HTRequest_setPreemptive (me->request, YES);
1752: #else
1.4 cvs 1753: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1754: #endif /* _WINDOWS */
1.17 cvs 1755: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1756: me->method = METHOD_PUT;
1757: HTRequest_setMethod (me->request, METHOD_PUT);
1758: me->output = stdout;
1.17 cvs 1759: /* we are not expecting to receive any input from the server */
1760: me->outputfile = (char *) NULL;
1.4 cvs 1761:
1762: me->mem_ptr = mem_ptr;
1763: me->block_size = block_size;
1.17 cvs 1764:
1765: /* set the callback which will actually copy data into the
1766: output stream */
1767:
1.4 cvs 1768: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.70 cvs 1769: /*****
1.56 cvs 1770: HTRequest_setOutputStream (me->request, AHTFWriter_new (me->request, me->output, YES));
1.70 cvs 1771: ******/
1.56 cvs 1772: /*
1773: HTRequest_setOutputStream (me->request, HTFWriter_new (me->request, me->output, YES));
1774: */
1.4 cvs 1775: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1776:
1.28 cvs 1777: /* Set the Content-Type of the file we are uploading */
1.27 cvs 1778: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1779:
1.7 cvs 1780: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1781: HTRequest_setEntityAnchor (me->request, me->anchor);
1782: status = HTLoadAbsolute (urlName, me->request);
1783:
1.28 cvs 1784: if (status == HT_ERROR || me->reqStatus == HT_END || me->reqStatus == HT_ERR || HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1785: {
1.17 cvs 1786: status = HT_ERROR;
1.70 cvs 1787: /*
1.17 cvs 1788: AHTReqContext_delete (me);
1.70 cvs 1789: */
1.28 cvs 1790: }
1.7 cvs 1791: else
1792: {
1.38 cvs 1793: /* prepare the URLname that will be displayed in teh status bar */
1794: ChopURL (me->status_urlName, me->urlName);
1795: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1796: me->status_urlName);
1.4 cvs 1797:
1.7 cvs 1798: /* part of the stop button handler */
1.4 cvs 1799:
1.7 cvs 1800: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1801: {
1.70 cvs 1802: # ifndef _WINDOWS
1.7 cvs 1803: status = LoopForStop (me);
1.70 cvs 1804: # endif /* !_WINDOWS */
1.7 cvs 1805: AHTReqContext_delete (me);
1806: }
1.15 cvs 1807: }
1.4 cvs 1808: return (status);
1.28 cvs 1809: }
1.4 cvs 1810:
1811:
1812:
1.5 cvs 1813: /*----------------------------------------------------------------------
1.17 cvs 1814: Stop Request
1815: stops (kills) all active requests associated with a docid
1.5 cvs 1816: ----------------------------------------------------------------------*/
1.4 cvs 1817: #ifdef __STDC__
1818: void StopRequest (int docid)
1819: #else
1820: void StopRequest (docid)
1821: int docid;
1822: #endif
1823: {
1824: HTList *cur;
1825: AHTDocId_Status *docid_status;
1826: AHTReqContext *me;
1827: int open_requests;
1828:
1.7 cvs 1829: if (Amaya)
1830: {
1.4 cvs 1831:
1.7 cvs 1832: cur = Amaya->reqlist;
1833: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1834: Amaya->docid_status);
1835:
1.7 cvs 1836: /* verify if there are any requests at all associated with docid */
1.4 cvs 1837:
1.7 cvs 1838: if (docid_status == (AHTDocId_Status *) NULL)
1839: return;
1.4 cvs 1840:
1.7 cvs 1841: open_requests = docid_status->counter;
1.4 cvs 1842:
1.7 cvs 1843: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1844: {
1.4 cvs 1845:
1.7 cvs 1846: if (me->docid == docid)
1847: {
1848: /* kill this request */
1.4 cvs 1849:
1.7 cvs 1850: switch (me->reqStatus)
1851: {
1852: case HT_ABORT:
1853: break;
1.4 cvs 1854:
1.7 cvs 1855: case HT_BUSY:
1856: me->reqStatus = HT_ABORT;
1857: break;
1858: case HT_NEW_PENDING:
1859: case HT_WAITING:
1860: default:
1.70 cvs 1861: # ifndef _WINDOWS
1.7 cvs 1862: RequestKillAllXtevents (me);
1.70 cvs 1863: # endif /* !_WINDOWS */
1.7 cvs 1864: me->reqStatus = HT_ABORT;
1.71 ! cvs 1865: # ifndef _WINDOWS
! 1866: HTRequest_kill (me->request);
! 1867:
! 1868: if ((me->mode & AMAYA_ASYNC) ||
! 1869: (me->mode & AMAYA_IASYNC))
1.7 cvs 1870: {
1.4 cvs 1871:
1.7 cvs 1872: AHTReqContext_delete (me);
1873: }
1.71 ! cvs 1874: # else
! 1875: AHTReqContext_delete (me);
! 1876: # endif /* !WINDOWS */
! 1877:
! 1878: cur = Amaya->reqlist;
1.4 cvs 1879:
1.7 cvs 1880: open_requests--;
1.4 cvs 1881:
1.7 cvs 1882: break;
1.4 cvs 1883:
1.7 cvs 1884: } /* switch */
1885: } /* if me docid */
1886: } /* while */
1887: } /* if amaya open requests */
1.4 cvs 1888: } /* StopRequest */
1.17 cvs 1889:
1890: /*
1891: end of Module query.c
1892: */
1893:
1.69 cvs 1894: #endif /* AMAYA_JAVA */
1.17 cvs 1895:
1896:
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