Annotation of Amaya/amaya/query.c, revision 1.35
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: *
13: * Author: J. Kahan
14: *
15: */
1.17 cvs 16:
1.12 cvs 17: /* Amaya includes */
1.25 cvs 18: #define THOT_EXPORT extern
1.4 cvs 19: #include "amaya.h"
1.7 cvs 20:
1.4 cvs 21: #if defined(__svr4__)
22: #define CATCH_SIG
23: #endif
24:
1.32 cvs 25: /*----------------------------------------------------------------------*/
26: /* Experimental */
27:
28: #define AMAYA_LAST_HTTP_ERROR_MSG_SIZE 4096
29: char AmayaLastHTTPErrorMsg [AMAYA_LAST_HTTP_ERROR_MSG_SIZE];
1.27 cvs 30:
1.17 cvs 31: /*----------------------------------------------------------------------*/
32:
1.4 cvs 33: /* local structures coming from libwww and which are
1.17 cvs 34: not found in any .h file
1.7 cvs 35: */
1.4 cvs 36:
1.7 cvs 37: struct _HTStream
38: {
1.15 cvs 39: const HTStreamClass *isa;
40: FILE *fp;
41: BOOL leave_open; /* Close file when HT_FREE? */
42: char *end_command; /* Command to execute */
43: BOOL remove_on_close; /* Remove file? */
44: char *filename; /* Name of file */
45: HTRequest *request; /* saved for callback */
46: HTRequestCallback *callback;
1.7 cvs 47: };
48:
1.15 cvs 49:
1.7 cvs 50: struct _HTError
51: {
52: HTErrorElement element; /* Index number into HTError */
53: HTSeverity severity; /* A la VMS */
54: BOOL ignore; /* YES if msg should not go to user */
55: void *par; /* Explanation, e.g. filename */
56: int length; /* For copying by generic routine */
57: char *where; /* Which function */
58: };
59:
60:
61: struct _HTHost
62: {
63: char *hostname; /* name of host + optional port */
64: time_t ntime; /* Creation time */
65: char *type; /* Peer type */
66: int version; /* Peer version */
67: HTMethod methods; /* Public methods (bit-flag) */
68: char *server; /* Server name */
69: char *user_agent; /* User Agent */
70: char *range_units; /* Acceptable range units */
71: HTTransportMode mode; /* Supported mode */
72: HTChannel *channel; /* Persistent channel */
73: HTList *pipeline; /* Pipe line of net objects */
74: HTList *pending; /* List of pending Net objects */
75: time_t expires; /* Persistent channel expires time */
76: };
1.4 cvs 77:
78: /* Type definitions and global variables etc. local to this module */
79:
1.17 cvs 80: /*----------------------------------------------------------------------*/
81:
1.4 cvs 82: /*** private variables ***/
1.17 cvs 83:
1.4 cvs 84: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 85: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.4 cvs 86: static HTList *encodings = NULL;
1.16 cvs 87: static int object_counter = 0; /* loaded objects counter */
1.24 cvs 88: static boolean AmayaIsAlive;
1.4 cvs 89:
1.15 cvs 90: #include "answer_f.h"
91: #include "query_f.h"
92: #include "AHTURLTools_f.h"
93: #include "AHTBridge_f.h"
94: #include "AHTMemConv_f.h"
95: #include "AHTFWrite_f.h"
1.4 cvs 96:
1.15 cvs 97:
98: /*----------------------------------------------------------------------
1.17 cvs 99: GetDocIdStatus
100: gets the status associated to a docid
1.15 cvs 101: ----------------------------------------------------------------------*/
102: #ifdef __STDC__
103: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
104: #else
105: AHTDocID_Status *GetDocIdStatus (docid, documents)
106: int docid;
107: HTList *documents;
108:
109: #endif
110: {
111: AHTDocId_Status *me;
112: HTList *cur;
113:
114: if (documents)
115: {
116: cur = documents;
117:
118: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
119: {
120: if (me->docid == docid)
121: return (me);
1.18 cvs 122: }
123: }
1.15 cvs 124: return (AHTDocId_Status *) NULL;
125:
126: }
127:
1.5 cvs 128: /*----------------------------------------------------------------------
1.27 cvs 129: AHTGuessAtom_for
130: Converts an Amaya type descriptor into the equivalent MIME type.
131: ----------------------------------------------------------------------*/
132: #ifdef __STDC__
133: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
134: #else
135: static HTAtom *AHTGuessAtom_for (urlName, contentType)
136: char *urlName;
137: PicType contentType;
138: #endif
139: {
140: HTAtom *atom;
141: char *filename;
142: HTEncoding enc;
143: HTEncoding cte;
144: HTLanguage lang;
145: double quality;
146:
147: switch (contentType)
148: {
149: case xbm_type:
150: atom = HTAtom_for("image/xbm");
151: break;
152: case eps_type:
1.35 ! cvs 153: atom = HTAtom_for("application/postscript");
1.27 cvs 154: break;
155: case xpm_type:
156: atom = HTAtom_for("image/xpm");
157: break;
158: case gif_type:
159: atom = HTAtom_for("image/gif");
160: break;
161: case jpeg_type:
162: atom = HTAtom_for("image/jpeg");
163: break;
164: case png_type:
165: atom = HTAtom_for("image/png");
166: break;
167: case unknown_type:
168: default:
169: /*
170: ** Amaya could not detect the type, so
171: ** we try to use the filename's suffix to do so.
172: */
173: filename = HTParse (urlName, "", PARSE_PATH | PARSE_PUNCTUATION);
174: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
175: HT_FREE (filename);
176: if (atom == WWW_UNKNOWN)
177: /*
178: ** we could not identify the suffix, so we assign it
179: ** a default type
180: */
181: atom = HTAtom_for ("text/html");
182: break;
183: }
184:
185: return atom;
186: }
187:
188: /*----------------------------------------------------------------------
1.17 cvs 189: AHTReqContext_new
190: create a new Amaya Context Object and update the global Amaya
191: request status.
1.5 cvs 192: ----------------------------------------------------------------------*/
1.4 cvs 193: #ifdef __STDC__
194: static AHTReqContext *AHTReqContext_new (int docid)
195: #else
196: static AHTReqContext *AHTReqContext_new (docid)
197: int docid;
198:
199: #endif
200: {
201: AHTReqContext *me;
202: AHTDocId_Status *docid_status;
203:
204: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
205: outofmem (__FILE__, "Context_new");
206:
207: /* Bind the Context object together with the Request Object */
208:
209: me->request = HTRequest_new ();
1.17 cvs 210:
1.4 cvs 211: /* Initialize the other members of the structure */
1.17 cvs 212: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 213: me->output = NULL;
214: #ifdef WWW_XWINDOWS
215: me->read_xtinput_id = (XtInputId) NULL;
216: me->write_xtinput_id = (XtInputId) NULL;
217: me->except_xtinput_id = (XtInputId) NULL;
218: #endif
219: me->docid = docid;
220: HTRequest_setMethod (me->request, METHOD_GET);
221: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
222: HTRequest_setContext (me->request, me);
223: me->read_ops = 0;
224: me->write_ops = 0;
225: me->except_ops = 0;
226:
227: /* Update the global context */
228: HTList_appendObject (Amaya->reqlist, (void *) me);
229:
230: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
231:
1.7 cvs 232: if (docid_status == NULL)
233: {
234: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
235: docid_status->docid = docid;
236: docid_status->counter = 1;
237: HTList_addObject (Amaya->docid_status, (void *) docid_status);
238: }
239: else
1.4 cvs 240: docid_status->counter++;
241:
242:
243: Amaya->open_requests++;
244:
245: /* error stream handling */
246: me->error_stream = (char *) NULL;
247: me->error_stream_size = 0;
1.17 cvs 248:
1.4 cvs 249: return me;
250: }
251:
1.5 cvs 252: /*----------------------------------------------------------------------
1.17 cvs 253: AHTReqContext_delete
254: Delete an Amaya Context Object and update the global Amaya request
255: status.
1.5 cvs 256: ----------------------------------------------------------------------*/
1.4 cvs 257:
258: #ifdef __STDC__
1.15 cvs 259: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 260: #else
1.15 cvs 261: boolean AHTReqContext_delete (me)
1.4 cvs 262: AHTReqContext *me;
263:
264: #endif
265: {
266: AHTDocId_Status *docid_status;
267:
1.7 cvs 268: if (me)
269: {
1.4 cvs 270:
1.7 cvs 271: if (Amaya->reqlist)
272: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 273:
1.7 cvs 274: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 275:
1.7 cvs 276: if (docid_status)
277: {
278: docid_status->counter--;
279:
280: if (docid_status->counter == 0)
281: {
282: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
283: TtaFreeMemory ((void *) docid_status);
284: }
285: }
286: HTRequest_delete (me->request);
1.4 cvs 287:
1.7 cvs 288: if (me->error_stream != (char *) NULL)
1.28 cvs 289: HT_FREE (me->error_stream);
1.21 cvs 290:
291: if (me->read_xtinput_id || me->write_xtinput_id ||
292: me->except_xtinput_id)
293: RequestKillAllXtevents(me);
1.4 cvs 294:
1.7 cvs 295: TtaFreeMemory ((void *) me);
1.4 cvs 296:
1.7 cvs 297: Amaya->open_requests--;
1.4 cvs 298:
1.15 cvs 299: return TRUE;
1.4 cvs 300:
1.7 cvs 301: }
1.15 cvs 302: return FALSE;
1.4 cvs 303: }
304:
305:
1.15 cvs 306: /*----------------------------------------------------------------------
307: AHTUpload_callback
1.17 cvs 308: callback handler for executing the PUT command
1.15 cvs 309: ----------------------------------------------------------------------*/
1.4 cvs 310: #ifdef __STDC__
311: static int AHTUpload_callback (HTRequest * request, HTStream * target)
312: #else
313: static int AHTUpload_callback (request, target)
314: HTRequest *request;
315: HTStream *target;
316:
317: #endif
318: {
319: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 320: HTParentAnchor *entity = HTRequest_entityAnchor (request);
321: int len = HTAnchor_length (entity);
1.4 cvs 322: int status;
323:
324: /* Send the data down the pipe */
1.7 cvs 325:
1.4 cvs 326: status = (*target->isa->put_block) (target, me->mem_ptr, len);
327:
1.7 cvs 328: if (status == HT_LOADED || status == HT_OK)
329: {
1.13 cvs 330: if (PROT_TRACE)
331: HTTrace ("Posting Data Target is SAVED\n");
332: (*target->isa->flush) (target);
333: return (HT_LOADED);
1.7 cvs 334: }
335: if (status == HT_WOULD_BLOCK)
336: {
337: if (PROT_TRACE)
338: HTTrace ("Posting Data Target WOULD BLOCK\n");
339: return HT_WOULD_BLOCK;
340: }
341: else if (status == HT_PAUSE)
342: {
343: if (PROT_TRACE)
344: HTTrace ("Posting Data Target PAUSED\n");
345: return HT_PAUSE;
346: }
347: else if (status > 0)
348: { /* Stream specific return code */
349: if (PROT_TRACE)
350: HTTrace ("Posting Data. Target returns %d\n", status);
351: return status;
352: }
353: else
354: { /* we have a real error */
355: if (PROT_TRACE)
356: HTTrace ("Posting Data Target ERROR %d\n", status);
357: return status;
358: }
1.4 cvs 359: }
360:
1.5 cvs 361: /*----------------------------------------------------------------------
1.17 cvs 362: Thread_deleteAll
363: this function deletes the whole list of active threads.
1.5 cvs 364: ----------------------------------------------------------------------*/
1.4 cvs 365: #ifdef __STDC__
366: static void Thread_deleteAll (void)
367: #else
368: static void Thread_deleteAll ()
369: #endif
370: {
1.21 cvs 371: HTList *cur;
372: AHTReqContext *me;
373: AHTDocId_Status *docid_status;
374:
1.7 cvs 375: if (Amaya && Amaya->reqlist)
376: {
377: if (Amaya->open_requests > 0)
378: {
1.21 cvs 379: cur = Amaya->reqlist;
1.7 cvs 380:
381: HTNet_killAll ();
382: /* erase the requests */
383: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
384: {
385: if (me->request)
386: {
1.4 cvs 387: #ifdef WWW_XWINDOWS
1.7 cvs 388: RequestKillAllXtevents (me);
1.4 cvs 389: #endif /* WWW_XWINDOWS */
1.7 cvs 390: AHTReqContext_delete (me);
391: }
392: } /* while */
1.21 cvs 393:
1.7 cvs 394: /* erase the docid_status entities */
395: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
396: TtaFreeMemory ((void *) docid_status);
397:
398: } /* if */
399: }
1.4 cvs 400: }
401:
1.5 cvs 402: /*----------------------------------------------------------------------
1.17 cvs 403: redirection_handler
404: this function is registered to handle permanent and temporary
405: redirections.
406: ----------------------------------------------------------------------*/
1.4 cvs 407: #ifdef __STDC__
1.7 cvs 408: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 409: #else
410: static int redirection_handler (request, context, status)
411: HTRequest *request;
412: HTResponse *response;
413: void *param;
414: int status;
415:
416: #endif
417: {
418:
419: char *ref;
420: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 421: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 422: HTMethod method = HTRequest_method (request);
423:
424:
1.7 cvs 425: if (!new_anchor)
426: {
427: if (PROT_TRACE)
428: HTTrace ("Redirection. No destination\n");
429: return HT_OK;
430: }
1.4 cvs 431:
432: /*
433: ** Only do redirect on GET and HEAD
434: */
1.7 cvs 435: if (!HTMethod_isSafe (method))
436: {
437: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
438:
439: if (prompt)
440: {
441: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
442: NULL, NULL, NULL) != YES)
443: return HT_ERROR;
444: }
445: }
1.4 cvs 446:
447: /*
448: ** Start new request with the redirect anchor found in the headers.
449: ** Note that we reuse the same request object which means that we must
450: ** keep this around until the redirected request has terminated. It also
451: ** allows us in an easy way to keep track of the number of redirections
452: ** so that we can detect endless loops.
453: */
1.17 cvs 454:
1.7 cvs 455: if (HTRequest_doRetry (request))
456: {
457:
458: /* Verify if this is not redundant */
459:
460: /* do we need to normalize the URL? */
461: if (strncmp (new_anchor->parent->address, "http:", 5))
462: {
463: /* Yes, so we use the pre-redirection anchor as a base name */
464: ref = HTParse (new_anchor->parent->address, me->urlName, PARSE_ALL);
465: if (ref)
466: {
467: HT_FREE (new_anchor->parent->address);
468: new_anchor->parent->address = ref;
469: }
470: }
471:
472: /* update the current file name */
1.21 cvs 473: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 474: {
475: /*
476: ** copy MAX_LENGTH cars. The error will be detected later on and shown on the
477: ** screen. This code will be fixed up later on
478: */
1.21 cvs 479: strncpy (me->urlName, new_anchor->parent->address, MAX_LENGTH - 1);
480: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 481: }
482: else
483: strcpy (me->urlName, new_anchor->parent->address);
484:
485: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
486: me->urlName);
487:
488: /* Start request with new credentials */
1.17 cvs 489: me->reqStatus = HT_NEW; /* reset the status */
1.7 cvs 490: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
491: status = HTLoadAbsolute (me->urlName, request);
492: else
493: HTLoadAnchor (new_anchor, request);
494: }
495: else
496: {
497: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
498: NULL, 0, "HTRedirectFilter");
499: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
500: NULL);
501: if (me->error_html)
502: FilesLoading[me->docid] = 2; /* so we can show the error message */
503: }
1.4 cvs 504:
505: /*
1.7 cvs 506: ** By returning HT_ERROR we make sure that this is the last handler to be
507: ** called. We do this as we don't want any other filter to delete the
508: ** request object now when we have just started a new one ourselves
509: */
1.4 cvs 510: return HT_ERROR;
511: }
512:
1.5 cvs 513: /*----------------------------------------------------------------------
1.17 cvs 514: terminate_handler
515: this function is registered to handle the result of the request
1.5 cvs 516: ----------------------------------------------------------------------*/
1.4 cvs 517: #if __STDC__
1.7 cvs 518: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 519: #else
520: static int terminate_handler (request, response, context, status)
521: HTRequest *request;
522: HTResponse *response;
523: void *context;
524: int status;
525: #endif
526: {
527: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.13 cvs 528: boolean error_flag;
1.28 cvs 529: char msg_status[10];
530: HTError *error;
1.30 cvs 531: HTErrorElement errorElement;
1.29 cvs 532: HTList *cur;
1.4 cvs 533:
534: if (!me)
535: return HT_OK; /* not an Amaya request */
536:
1.24 cvs 537: if (!AmayaIsAlive)
538: me->reqStatus = HT_ABORT;
539:
1.13 cvs 540: if (status == HT_LOADED || status == HT_CREATED || status == HT_NO_DATA)
541: error_flag = FALSE;
542: else
543: error_flag = TRUE;
544:
1.4 cvs 545: /* output any errors from the server */
546:
1.5 cvs 547: /***
1.4 cvs 548: ** me->output = output file which will receive an html file
549: ** me->error_html = yes, output HTML errors in the screen
550: ** request->error_stack == if there are any errors, they will be here
551: ** me->error_stream_size If it's != 0 means an error message has already
552: ** been written to the stack
553: */
554:
555: /* First, we verify if there are any errors and if they are not
1.17 cvs 556: ** yet written to the error stack. If no, then let's try to write them
557: ** ourselves
558: */
1.4 cvs 559:
1.7 cvs 560: if (me->output && me->output != stdout)
561: {
562: /* we are writing to a file */
563: if (me->reqStatus != HT_ABORT)
564: { /* if the request was not aborted and */
1.13 cvs 565: if (error_flag)
566: { /* there were some errors */
1.15 cvs 567: if (me->error_html == TRUE)
1.13 cvs 568: { /* and we want to print errors */
569: if (me->error_stream_size == 0) /* and the stream is empty */
1.7 cvs 570: AHTError_MemPrint (request); /* copy errors from the error stack
571: ** into a data structure */
572: if (me->error_stream)
573: { /* if the stream is non-empty */
574: fprintf (me->output, me->error_stream); /* output the errors */
1.13 cvs 575: error_flag = FALSE; /* show it in the HTML window */
1.7 cvs 576: }
577: else
578: me->reqStatus = HT_ERR; /* we did not get an error msg,
579: ** so just
580: ** mark error
581: */
582: }
583: else
584: me->reqStatus = HT_ERR; /* we don't want to print the error */
585: } /* if error_stack */
1.13 cvs 586: } /* if != HT_ABORT */
1.7 cvs 587: fclose (me->output);
588: }
589: else
590: {
591: /* We must be doing a PUT. Verify if there was an error */
1.13 cvs 592: if (error_flag)
593: me->reqStatus = HT_ERR;
1.7 cvs 594: } /* if me-output */
595:
1.17 cvs 596: /* Second Step: choose a correct treatment in function of the request's
597: being associated with an error, with an interruption, or with a
598: succesful completion */
1.7 cvs 599:
1.13 cvs 600: if (!error_flag && me->reqStatus != HT_ERR
1.7 cvs 601: && me->reqStatus != HT_ABORT)
602: {
603: me->reqStatus = HT_END; /* no errors */
604: if (me->terminate_cbf)
605: (*me->terminate_cbf) ((AHTReqContext *) me,
606: HT_LOADED);
607: }
608: else if (me->reqStatus == HT_ABORT)
1.21 cvs 609: /* either the application ended or the user pressed the stop
610: button. We erase the incoming file, if it exists */
1.7 cvs 611: {
612: if (me->outputfile && me->outputfile[0] != EOS)
613: {
1.9 cvs 614: TtaFileUnlink (me->outputfile);
1.7 cvs 615: me->outputfile[0] = EOS;
616: }
617: }
618: else if (me->reqStatus == HT_ERR)
619: {
620: /* there was an error */
621: if (me->terminate_cbf)
622: (*me->terminate_cbf) ((AHTReqContext *) me,
623: HT_ERROR);
624:
625: if (me->outputfile && me->outputfile[0] != EOS)
626: {
1.9 cvs 627: TtaFileUnlink (me->outputfile);
1.7 cvs 628: me->outputfile[0] = EOS;
629: }
1.4 cvs 630: }
1.13 cvs 631: else if (error_flag &&
1.7 cvs 632: (me->reqStatus == HT_BUSY || me->reqStatus == HT_WAITING))
633: {
634: /* there was an error */
635: if (me->terminate_cbf)
636: (*me->terminate_cbf) ((AHTReqContext *) me,
637: HT_ERROR);
638:
639: if (me->outputfile && me->outputfile[0] != EOS)
640: {
1.9 cvs 641: TtaFileUnlink (me->outputfile);
1.7 cvs 642: me->outputfile[0] = EOS;
643: me->reqStatus = HT_ERR;
644: }
645: } /* if-else HT_END, HT_ABORT, HT_ERROR */
1.4 cvs 646:
1.7 cvs 647: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.17 cvs 648: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
649: or in PutObjectWWW */
1.7 cvs 650: {
651: TtaFreeMemory (me->urlName);
1.21 cvs 652: me->urlName = NULL;
1.7 cvs 653: TtaFreeMemory (me->outputfile);
1.21 cvs 654: me->outputfile = NULL;
1.7 cvs 655: }
1.17 cvs 656:
1.34 cvs 657: /* don't remove or Xt will hang up during the PUT */
1.4 cvs 658:
1.28 cvs 659: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
660: (me->method == METHOD_PUT)))
1.7 cvs 661: {
1.28 cvs 662: /* output the status of the request */
663: if (status == 200)
664: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REQUEST_SUCCEEDED), me->urlName);
665: else if (status == 201)
666: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CREATED_NEW_REMOTE_RESSOURCE), me->urlName);
667: else if (status == 204 && me->method == METHOD_PUT)
668: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UPDATED_REMOTE_RESSOURCE), me->urlName);
669: else if (status == 204 && me->method == METHOD_PUT)
670: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NO_DATA), (char *) NULL);
671: else if (status == -400 || status == 505)
1.34 cvs 672: {
1.28 cvs 673: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_DID_NOT_UNDERSTAND_REQ_SYNTAX), (char *) NULL);
1.34 cvs 674: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_DID_NOT_UNDERSTAND_REQ_SYNTAX));
675: }
676: else if (status == -401)
677: {
1.28 cvs 678: TtaSetStatus (me->docid, 1,
679: TtaGetMessage (AMAYA, AM_AUTHENTICATION_FAILURE), me->urlName);
1.34 cvs 680: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_AUTHENTICATION_FAILURE), me->urlName);
681: }
1.28 cvs 682: else if (status == -403)
1.34 cvs 683: {
684: TtaSetStatus (me->docid, 1,
1.28 cvs 685: TtaGetMessage (AMAYA, AM_FORBIDDEN_ACCESS), me->urlName);
1.34 cvs 686: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_FORBIDDEN_ACCESS), me->urlName);
687: }
1.28 cvs 688: else if (status == -405)
1.34 cvs 689: {
1.28 cvs 690: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_METHOD_NOT_ALLOWED), (char *) NULL);
1.34 cvs 691: sprintf(AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_METHOD_NOT_ALLOWED));
692: }
1.28 cvs 693: else if (status == -1)
694: {
1.30 cvs 695: /*
696: ** Here we deal with errors for which libwww does not
697: ** return a correct status code
698: */
1.29 cvs 699: cur = HTRequest_error (request);
700: error = (HTError *) HTList_nextObject (cur);
1.33 cvs 701: if (error == (HTError *) NULL)
702: /* there's no error context */
703: {
704: sprintf (msg_status, "%d", status);
705: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.34 cvs 706: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
1.33 cvs 707: return (HT_OK);
708: }
1.34 cvs 709: errorElement = error->element;
710:
1.30 cvs 711: if (errorElement == HTERR_NOT_IMPLEMENTED)
1.28 cvs 712: {
1.30 cvs 713: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_NOT_IMPLEMENTED_501_ERROR), (char *) NULL);
1.34 cvs 714: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_NOT_IMPLEMENTED_501_ERROR));
1.30 cvs 715: status = -501;
716: }
717: else if (errorElement == HTERR_INTERNAL)
718: {
1.31 cvs 719: if ((error->length > 0) && (error->length <= 25) &&
1.34 cvs 720: (error->par) && (((char *) error->par)[0] != EOS))
721: {
1.30 cvs 722: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_CAUSE), (char *) (error->par));
1.34 cvs 723: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_CAUSE), (char *) (error->par));
724: }
1.30 cvs 725: else
1.34 cvs 726: {
1.30 cvs 727: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_NO_CAUSE), (char *) NULL);
1.34 cvs 728: sprintf (AmayaLastHTTPErrorMsg, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_NO_CAUSE));
729: }
1.28 cvs 730: status = -500;
731: }
1.30 cvs 732: else
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);
1.30 cvs 737: }
1.28 cvs 738: }
1.7 cvs 739: }
1.4 cvs 740: return HT_OK;
741: }
742:
1.5 cvs 743: /*----------------------------------------------------------------------
1.17 cvs 744: AHTLoadTerminate_handler
745: this is an application "AFTER" Callback. It uses all the functionaly
1.27 cvs 746: that the app part of the Library gives for handling AFTER a request.
1.5 cvs 747: ----------------------------------------------------------------------*/
1.4 cvs 748:
749: #ifdef __STDC__
1.7 cvs 750: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 751: #else
752: static int AHTLoadTerminate_handler (request, response, param, status)
753: HTRequest *request;
754: HTResponse *response;
755: void *param;
756: int status;
757:
758: #endif
759: {
760: char *uri = HTAnchor_address ((HTAnchor *) request->anchor);
761: AHTReqContext *me = HTRequest_context (request);
762: HTAlertCallback *cbf;
763: AHTDocId_Status *docid_status;
764:
1.7 cvs 765: switch (status)
766: {
767: case HT_LOADED:
768: if (PROT_TRACE)
769: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.4 cvs 770: uri);
771:
1.7 cvs 772: docid_status = GetDocIdStatus (me->docid,
773: Amaya->docid_status);
774:
775: if (docid_status != NULL && docid_status->counter > 1)
776: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA,
777: AM_ELEMENT_LOADED), uri);
778:
779: break;
780:
781: case HT_NO_DATA:
782: if (PROT_TRACE)
783: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n", uri);
784: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
785: uri);
786: break;
787:
788: case HT_INTERRUPTED:
789: if (PROT_TRACE)
790: HTTrace ("Load End.... INTERRUPTED: `%s\'\n", uri);
791: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOAD_ABORT), NULL);
792:
793: break;
794:
795: case HT_RETRY:
796: if (PROT_TRACE)
797: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
798: HTResponse_retryTime (response));
799: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
800: uri);
801: break;
802:
803: case HT_ERROR:
804:
805: cbf = HTAlert_find (HT_A_MESSAGE);
806: if (cbf)
807: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
808: HTRequest_error (request), NULL);
809: break;
810:
811: if (PROT_TRACE)
812: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
813: uri ? uri : "<UNKNOWN>");
814: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
815: uri ? uri : "<UNKNOWN>");
816: break;
817: default:
818: if (PROT_TRACE)
819: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
820: break;
821: }
822:
1.4 cvs 823: HT_FREE (uri);
1.7 cvs 824:
1.4 cvs 825: return HT_OK;
826: }
827:
1.27 cvs 828: /*----------------------------------------------------------------------
829: AHTAcceptTypesInit
830: ----------------------------------------------------------------------*/
831: #ifdef __STDC__
832: static void AHTAcceptTypesInit (HTList *c)
833: #else /* __STDC__ */
834: static void AHTAcceptTypesInit (c)
835: HTList *c;
836: #endif /* __STDC__ */
837: {
838: if (c == (HTList *) NULL)
839: return;
840:
841: /* define here all the mime types that Amaya can accept */
842:
843: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
844: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
845: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
846: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
847: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
848: HTConversion_add (c, "application/postscript", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 849:
1.27 cvs 850: /* Define here the equivalences between MIME types and file extensions for
851: the types that Amaya can display */
852:
853: /* Register the default set of file suffix bindings */
854: HTFileInit ();
855:
856: /* Don't do any case distinction */
857: HTBind_caseSensitive (FALSE);
858: }
1.4 cvs 859:
1.5 cvs 860: /*----------------------------------------------------------------------
1.17 cvs 861: AHTConverterInit
862: Bindings between a source media type and a destination media type
863: (conversion).
1.5 cvs 864: ----------------------------------------------------------------------*/
1.15 cvs 865: #ifdef __STDC__
866: static void AHTConverterInit (HTList *c)
867: #else /* __STDC__ */
868: static void AHTConverterInit (c)
869: HTList *c;
870: #endif /* __STDC__ */
1.4 cvs 871: {
872:
873: /* Handler for custom http error messages */
1.7 cvs 874: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 875:
876: /*
877: ** These are converters that converts to something other than www/present,
878: ** that is not directly outputting someting to the user on the screen
879: */
880:
881: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
882: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
883: 1.0, 0.0, 0.0);
884: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
885: 1.0, 0.0, 0.0);
886: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
887: 1.0, 0.0, 0.0);
888: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
889: 1.0, 0.0, 0.0);
890:
891:
892: /*
893: ** The following conversions are converting ASCII output from various
894: ** protocols to HTML objects.
895: */
896: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
897: 1.0, 0.0, 0.0);
898: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
899: 1.0, 0.0, 0.0);
900: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
901: 1.0, 0.0, 0.0);
902:
903:
904: /*
905: ** We also register a special content type guess stream that can figure out
906: ** the content type by reading the first bytes of the stream
907: */
908: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
909: 1.0, 0.0, 0.0);
910:
911: /*
912: ** Register a persistent cache stream which can save an object to local
913: ** file
914: */
915: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
916: 1.0, 0.0, 0.0);
917:
918: /*
919: ** This dumps all other formats to local disk without any further
920: ** action taken
921: */
922: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
923: 0.3, 0.0, 0.0);
924:
925: }
926:
1.27 cvs 927:
1.15 cvs 928: /*----------------------------------------------------------------------
1.17 cvs 929: AHTProtocolInit
930: Registers all amaya supported protocols.
1.15 cvs 931: ----------------------------------------------------------------------*/
1.4 cvs 932: static void AHTProtocolInit (void)
933: {
934:
1.17 cvs 935: /*
936: NB. Preemptive == YES = Blocking request
937: Non-preemptive == NO = Non-blocking request
938: */
1.4 cvs 939:
940: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
941: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
942: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
943: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.17 cvs 944: #if 0 /* experimental code */
1.4 cvs 945: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
946: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
947: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
948:
949: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
950: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
951: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 952: #endif
1.4 cvs 953: }
954:
1.15 cvs 955: /*----------------------------------------------------------------------
1.17 cvs 956: AHTNetInit
957: Reegisters "before" and "after" request filters.
1.15 cvs 958: ----------------------------------------------------------------------*/
1.4 cvs 959: static void AHTNetInit (void)
960: {
961:
962: /* Register BEFORE filters
963: ** The BEFORE filters handle proxies, caches, rule files etc.
964: ** The filters are called in the order by which the are registered
965: ** Not done automaticly - may be done by application!
966: */
967:
968:
1.7 cvs 969: /*#ifndef HACK_WWW */
970: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
971: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.4 cvs 972:
1.7 cvs 973: /*#endif */
1.4 cvs 974:
975: /* register AFTER filters
976: ** The AFTER filters handle error messages, logging, redirection,
977: ** authentication etc.
978: ** The filters are called in the order by which the are registered
979: ** Not done automaticly - may be done by application!
980: */
981:
982: #ifndef HACK_WWW
983:
1.7 cvs 984: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
985: 5);
1.4 cvs 986:
1.7 cvs 987: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
988: 5);
989: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
990: 5);
991: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
992: 5);
1.4 cvs 993:
1.7 cvs 994: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST); /* handles all errors */
995: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 996: #endif
997: }
998:
1.15 cvs 999: /*----------------------------------------------------------------------
1.17 cvs 1000: AHTAlertInit
1001: Register alert messages and their callbacks.
1.15 cvs 1002: ----------------------------------------------------------------------*/
1003: #ifdef __STDC__
1004: static void AHTAlertInit (void)
1005: #else
1006: static void AHTAlertInit ()
1007: #endif
1008: {
1009:
1010: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1011: HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT);
1012: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.28 cvs 1013: HTError_setShow (~((int) 0 ) & ~((int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1014: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1015: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1016: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1017: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1018: }
1019:
1020: /*----------------------------------------------------------------------
1.17 cvs 1021: AHTProfile_newAmaya
1022: creates the Amaya client profile for libwww.
1.15 cvs 1023: ----------------------------------------------------------------------*/
1024: #ifdef __STDC__
1025: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1026: #else /* __STDC__ */
1027: static void AHTProfile_newAmaya (AppName, AppVersion)
1028: char *AppName;
1029: char *AppVersion;
1030: #endif /* __STDC__ */
1.4 cvs 1031: {
1032: /* If the Library is not already initialized then do it */
1033: if (!HTLib_isInitialized ())
1034: HTLibInit (AppName, AppVersion);
1035:
1036: if (!converters)
1037: converters = HTList_new ();
1.27 cvs 1038: if (!acceptTypes)
1039: acceptTypes = HTList_new ();
1.4 cvs 1040: if (!encodings)
1041: encodings = HTList_new ();
1042:
1043: /* Register the default set of transport protocols */
1044: HTTransportInit ();
1045:
1046: /* Register the default set of application protocol modules */
1047: #ifndef HACK_WWW
1048: AHTProtocolInit ();
1049: #endif
1050:
1051: /* Enable the persistent cache */
1052: /* HTCacheInit (NULL, 20); */
1053:
1054: /* Register the default set of BEFORE and AFTER filters */
1055: AHTNetInit ();
1056:
1057: /* Set up the default set of Authentication schemes */
1058: HTAAInit ();
1059:
1060: /* Get any proxy or gateway environment variables */
1061: HTProxy_getEnvVar ();
1062:
1063: /* Register the default set of converters */
1064: AHTConverterInit (converters);
1.27 cvs 1065: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1066: HTFormat_setConversion (converters);
1067:
1068: /* Register the default set of transfer encoders and decoders */
1069: HTEncoderInit (encodings); /* chunks ??? */
1070: HTFormat_setTransferCoding (encodings);
1071:
1072: /* Register the default set of MIME header parsers */
1073: HTMIMEInit (); /* must be called again for language selector */
1074:
1075: /* Register the default set of Icons for directory listings */
1.27 cvs 1076: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1077:
1078: /* Register the default set of messages and dialog functions */
1079: AHTAlertInit ();
1080: HTAlert_setInteractive (YES);
1081: }
1082:
1.5 cvs 1083: /*----------------------------------------------------------------------
1.17 cvs 1084: AHTProfile_delete
1085: deletes the Amaya client profile.
1.5 cvs 1086: ----------------------------------------------------------------------*/
1.4 cvs 1087: #ifdef __STDC__
1088: static void AHTProfile_delete (void)
1089: #else
1090: static void AHTProfile_delete ()
1.7 cvs 1091: #endif /* __STDC__ */
1.4 cvs 1092: {
1.22 cvs 1093:
1094: /* free the Amaya global context */
1.27 cvs 1095: if (!converters)
1096: HTConversion_deleteAll (converters);
1097: if (!acceptTypes)
1098: HTConversion_deleteAll (acceptTypes);
1099: if (!encodings)
1100: HTCoding_deleteAll (encodings);
1101:
1102: HTList_delete (Amaya->docid_status);
1103: HTList_delete (Amaya->reqlist);
1104: TtaFreeMemory (Amaya);
1.22 cvs 1105:
1106: if (HTLib_isInitialized ())
1107: {
1108:
1109: /* Clean up the persistent cache (if any) */
1110: HTCacheTerminate ();
1.4 cvs 1111:
1.22 cvs 1112: /* Clean up all the global preferences */
1113: HTFormat_deleteAll ();
1.4 cvs 1114:
1.22 cvs 1115: /* Terminate libwww */
1116: HTLibTerminate ();
1117: }
1.4 cvs 1118: }
1119:
1.5 cvs 1120: /*----------------------------------------------------------------------
1.17 cvs 1121: QueryInit
1122: initializes the libwww interface
1.5 cvs 1123: ----------------------------------------------------------------------*/
1.4 cvs 1124: #ifdef __STDC__
1125: void QueryInit ()
1126: #else
1127: void QueryInit ()
1128: #endif
1129: {
1130:
1.24 cvs 1131: AmayaIsAlive = TRUE;
1.4 cvs 1132: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1133:
1134: /* New AHTBridge stuff */
1135:
1136: HTEvent_setRegisterCallback (AHTEvent_register);
1137: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1138:
1139: /* Setup authentication manager */
1140: /***
1141: HTAuthCall_add("basic", HTBasic_parse, HTBasic_generate, HTBasic_delete);
1142: ****/
1143:
1144: /* Trace activation (for debugging) */
1.7 cvs 1145: /*
1.4 cvs 1146: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1147: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1148: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1149: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1150: SHOW_CORE_TRACE;
1151:
1.7 cvs 1152: */
1.4 cvs 1153:
1154: /***
1155: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1156: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1157: ***/
1158:
1159: /* Setting up other user interfaces */
1160: /* needs a little bit more work */
1161:
1162: /* Setting up handlers */
1163: #ifndef HACK_WWW
1164: /* HTNetCall_addBefore(HTLoadStart, NULL, 0); */
1165: #endif
1166:
1167: /* Setting up different network parameters */
1.17 cvs 1168: /* Maximum number of simultaneous open sockets */
1.4 cvs 1169: HTNet_setMaxSocket (8);
1170: HTDNS_setTimeout (3600);
1.17 cvs 1171: /* Cache is disabled in this version */
1.4 cvs 1172: HTCacheMode_setEnabled (0);
1173:
1174: /* Initialization of the global context */
1175: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1176: Amaya->reqlist = HTList_new ();
1177: Amaya->docid_status = HTList_new ();
1178: Amaya->open_requests = 0;
1179:
1180: #ifdef CATCH_SIG
1.18 cvs 1181: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1182: #endif
1.15 cvs 1183: }
1184:
1185:
1186: /*----------------------------------------------------------------------
1.17 cvs 1187: LoopForStop
1188: a copy of the Thop event loop so we can handle the stop button.
1.15 cvs 1189: ----------------------------------------------------------------------*/
1190: #ifdef __STDC__
1191: static int LoopForStop (AHTReqContext * me)
1192: #else
1193: static int LoopForStop (AHTReqContext * me)
1194: #endif
1195: {
1196:
1197: #ifdef WWW_XWINDOWS
1.25 cvs 1198: extern ThotAppContext app_cont;
1.15 cvs 1199: XEvent ev;
1200: XtInputMask status;
1201:
1202: #endif /* WWW_XWINDOWS */
1.17 cvs 1203: int status_req = HT_OK;
1.15 cvs 1204:
1205: /* to test the async calls */
1.17 cvs 1206: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1207: while (me->reqStatus != HT_ABORT &&
1208: me->reqStatus != HT_END &&
1209: me->reqStatus != HT_ERR)
1210: {
1211:
1212: #ifdef WWW_XWINDOWS
1.27 cvs 1213: if (!AmayaIsAlive)
1214: /* Amaya was killed by one of the callback handlers */
1215: exit (0);
1216:
1.15 cvs 1217: status = XtAppPending (app_cont);
1218: if (status & XtIMXEvent)
1219: {
1220: XtAppNextEvent (app_cont, &ev);
1221: TtaHandleOneEvent (&ev);
1222: }
1223: else if (status & (XtIMAll & (~XtIMXEvent)))
1224: {
1225: XtAppProcessEvent (app_cont,
1226: (XtIMAll & (~XtIMXEvent)));
1227: }
1228: else
1229: {
1230: XtAppNextEvent (app_cont, &ev);
1231: TtaHandleOneEvent (&ev);
1232: }
1233: #endif /* WWW_XWINDOWS */
1234: }
1235:
1236: switch (me->reqStatus)
1237: {
1.4 cvs 1238:
1.15 cvs 1239: case HT_ERR:
1240: case HT_ABORT:
1241: status_req = HT_ERROR;
1242: break;
1243:
1244: case HT_END:
1245: status_req = HT_OK;
1246: break;
1247:
1248: default:
1249: break;
1250: }
1.12 cvs 1251:
1.15 cvs 1252: return (status_req);
1.4 cvs 1253: }
1254:
1255:
1.5 cvs 1256: /*----------------------------------------------------------------------
1.15 cvs 1257: QueryClose
1.21 cvs 1258: closes all existing threads, frees all non-automatically deallocated
1259: memory and then ends libwww.
1.5 cvs 1260: ----------------------------------------------------------------------*/
1.4 cvs 1261: void QueryClose ()
1262: {
1.24 cvs 1263:
1264: AmayaIsAlive = FALSE;
1265:
1.21 cvs 1266: /* remove all the handlers and callbacks that may output a message to
1267: a non-existent Amaya window */
1268:
1269: HTNet_deleteAfter (AHTLoadTerminate_handler);
1270: HTNet_deleteAfter (redirection_handler);
1271: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1272: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1273: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1274: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.21 cvs 1275:
1.4 cvs 1276: Thread_deleteAll ();
1.21 cvs 1277:
1.4 cvs 1278: #ifndef HACK_WWW
1279: /** HTAuthInfo_deleteAll (); **/
1280: #endif
1281: HTProxy_deleteAll ();
1282: HTNoProxy_deleteAll ();
1283: HTGateway_deleteAll ();
1284: AHTProfile_delete ();
1285: }
1286:
1287:
1.5 cvs 1288: /*----------------------------------------------------------------------
1.15 cvs 1289: GetObjectWWW
1.17 cvs 1290: this function requests a resource designated by a URLname into a
1291: temporary filename. The download can come from a simple GET operation,
1292: or can come from POSTING/GETTING a form. In the latter
1293: case, the function receives a query string to send to the server.
1294:
1.5 cvs 1295: 4 file retrieval modes are proposed:
1296: AMAYA_SYNC : blocking mode
1297: AMAYA_ISYNC : incremental, blocking mode
1298: AMAYA_ASYNC : non-blocking mode
1299: AMAYA_IASYNC : incremental, non-blocking mode
1300:
1301: In the incremental mode, each time a package arrives, it will be
1302: stored in the temporary file. In addition, if an
1303: incremental_callback function is defined, this function will be
1304: called and handled a copy of the newly received data package.
1305: Finally, if a terminate_callback function is defined, it will be
1306: invoked when the request terminates. The caller of this function
1.4 cvs 1307: can define two different contexts to be passed to the callback
1308: functions.
1309:
1310: When the function is called with the SYNC mode, the function will
1311: return only when the requested file has been loaded.
1312: The ASYNC mode will immediately return after setting up the
1313: call.
1314:
1315: Notes:
1316: At the end of a succesful request, the urlName string contains the
1317: name of the actually retrieved URL. As a URL can change over the time,
1318: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1319: caller verify the value of the urlName variable at the end of
1.4 cvs 1320: a request.
1321:
1322: Inputs:
1323: - docid Document identifier for the set of objects being
1324: retrieved.
1325: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1326: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1327: - mode The retrieval mode.
1328: - incremental_cbf
1329: - context_icbf
1330: Callback and context for the incremental modes
1331: - terminate_cbf
1332: - context_icbf
1333: Callback and context for a terminate handler
1.17 cvs 1334: -error_html if TRUE, then display any server error message as an
1335: HTML document.
1.4 cvs 1336:
1337: Outputs:
1338: - urlName The URL that was retrieved
1339: - outputfile The name of the temporary file which holds the
1340: retrieved data. (Only in case of success)
1341: Returns:
1342: HT_ERROR
1343: HT_OK
1.5 cvs 1344:
1345: ----------------------------------------------------------------------*/
1.4 cvs 1346: #ifdef __STDC__
1347: int GetObjectWWW (int docid, char *urlName, char *postString,
1348: char *outputfile, int mode,
1349: TIcbf * incremental_cbf, void *context_icbf,
1.15 cvs 1350: TTcbf * terminate_cbf, void *context_tcbf, boolean error_html)
1.4 cvs 1351: #else
1352: int GetObjectWWW (docid, urlName, postString, outputfile, mode,
1353: incremental_cbf, context_icbf, terminate_cbf, context_tcbf,
1354: error_html)
1355: int docid;
1356: char *urlName;
1357: char *postString;
1358: char *outputfile;
1359: int mode;
1360: TIcbf *incremental_cbf;
1361: void *context_icbf;
1362: TTcbf *terminate_cbf;
1363: void *context_tcbf;
1.15 cvs 1364: boolean error_html;
1.4 cvs 1365: #endif
1366: {
1367: AHTReqContext *me;
1368:
1369: FILE *tmp_fp;
1370: char *tmp_dir;
1371: char *ref;
1372: int status;
1373: HTList *cur, *pending;
1.7 cvs 1374:
1375: if (urlName == NULL || docid == 0 || outputfile == NULL)
1376: {
1377: /* no file to be loaded */
1378: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL),
1379: urlName);
1380:
1381: if (error_html)
1382: FilesLoading[docid] = 2; /* so we can show the error message */
1383: return HT_ERROR;
1.4 cvs 1384:
1.7 cvs 1385: }
1.4 cvs 1386: /* do we support this protocol? */
1.7 cvs 1387: if (IsValidProtocol (urlName) == NO)
1388: {
1389: /* return error */
1390: outputfile[0] = EOS; /* file could not be opened */
1391: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
1392: urlName);
1393:
1394: if (error_html)
1395: FilesLoading[docid] = 2; /* so we can show the error message */
1396: return HT_ERROR;
1397: }
1.4 cvs 1398:
1399: /* verify if a docid directory exists */
1400:
1401: tmp_dir = TtaGetMemory (strlen (TempFileDirectory) + 5 + 1);
1402: sprintf (tmp_dir, "%s/%d", TempFileDirectory, docid);
1403:
1404: tmp_fp = fopen (tmp_dir, "r");
1.7 cvs 1405: if (tmp_fp == 0)
1406: {
1407: /*directory did not exist */
1408: if (mkdir (tmp_dir, S_IRWXU) == -1)
1409: {
1410: /*error */
1411: outputfile[0] = EOS;
1412: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_CACHE_ERROR),
1413: urlName);
1414:
1415: if (error_html)
1416: FilesLoading[docid] = 2; /* so we can show the error message */
1417:
1418: return HT_ERROR;
1419: }
1420: }
1421: else
1.4 cvs 1422: fclose (tmp_fp);
1423:
1424: /*create a tempfilename */
1425:
1426: sprintf (outputfile, "%s/%04dAM", tmp_dir, object_counter);
1427:
1428: TtaFreeMemory (tmp_dir);
1429:
1430: /* update the object_counter */
1431: object_counter++;
1432:
1433: /* normalize the URL */
1434: ref = HTParse (urlName, "", PARSE_ALL);
1435:
1436: /* should we abort the request if we could not normalize the url? */
1437:
1.7 cvs 1438: if (ref == (char *) NULL || ref[0] == EOS)
1439: {
1440: /*error */
1441: outputfile[0] = EOS;
1442: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL),
1443: urlName);
1.4 cvs 1444:
1.7 cvs 1445: if (error_html)
1446: FilesLoading[docid] = 2; /* so we can show the error message */
1.4 cvs 1447:
1.7 cvs 1448: return HT_ERROR;
1449: }
1.4 cvs 1450: /* verify if that file name existed */
1.9 cvs 1451: if (TtaFileExist (outputfile))
1.7 cvs 1452: {
1.9 cvs 1453: TtaFileUnlink (outputfile);
1.7 cvs 1454: }
1.4 cvs 1455:
1456: /* try to open the outputfile */
1457:
1.7 cvs 1458: if ((tmp_fp = fopen (outputfile, "w")) == NULL)
1459: {
1460: outputfile[0] = EOS; /* file could not be opened */
1461: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
1462: outputfile);
1463: HT_FREE (ref);
1464:
1465: if (error_html)
1466: FilesLoading[docid] = 2; /* so we can show the error message */
1467: return (HT_ERROR);
1468: }
1.4 cvs 1469:
1470: /* the terminate_handler closes the above open fp */
1471: /* Not anymore, we do that in the AHTCallback_bridge, as all
1472: requests are now asynchronous */
1473:
1474: /* Initialize the request structure */
1475:
1476: me = AHTReqContext_new (docid);
1477:
1.7 cvs 1478: if (me == NULL)
1479: {
1480: fclose (tmp_fp);
1481: outputfile[0] = EOS;
1482: /* need an error message here */
1483: HT_FREE (ref);
1484: return (HT_ERROR);
1485: }
1.4 cvs 1486:
1487:
1488: /* Specific initializations for POST and GET */
1.7 cvs 1489: if (mode & AMAYA_FORM_POST)
1490: {
1491: me->method = METHOD_POST;
1.20 cvs 1492: if (postString)
1493: {
1494: me->mem_ptr = postString;
1495: me->block_size = strlen (postString);
1496: }
1497: else
1498: {
1499: me->mem_ptr = "";
1500: me->block_size = 0;
1501: }
1.7 cvs 1502: HTRequest_setMethod (me->request, METHOD_POST);
1503: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1504: }
1505: else
1506: {
1507: me->method = METHOD_GET;
1508: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1.27 cvs 1509: if (!HasKnownFileSuffix (ref))
1510: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.7 cvs 1511: }
1.4 cvs 1512:
1513: /* Common initialization */
1514:
1515: me->mode = mode;
1516: me->error_html = error_html;
1517: me->incremental_cbf = incremental_cbf;
1518: me->context_icbf = context_icbf;
1519: me->terminate_cbf = terminate_cbf;
1520: me->context_tcbf = context_tcbf;
1521: me->output = tmp_fp;
1522:
1523: HTRequest_setOutputStream (me->request,
1524: AHTFWriter_new (me->request, me->output, YES));
1.7 cvs 1525:
1.4 cvs 1526:
1527: /*for the async. request modes, we need to have our
1528: own copy of outputfile and urlname
1529: */
1530:
1.7 cvs 1531: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1532: {
1533: char *tmp;
1534:
1535: tmp = TtaGetMemory (strlen (outputfile) + 1);
1536: strcpy (tmp, outputfile);
1537: me->outputfile = tmp;
1538:
1.21 cvs 1539: tmp = TtaGetMemory (MAX_LENGTH + 1);
1540: strncpy (tmp, urlName, MAX_LENGTH);
1541: tmp[MAX_LENGTH] = EOS;
1.7 cvs 1542: me->urlName = tmp;
1543: }
1544: else
1545: {
1546: me->outputfile = outputfile;
1547: me->urlName = urlName;
1548: }
1.4 cvs 1549:
1550: /***
1551: Change for taking into account the stop button:
1552: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1553: we will loop until the document has been received or a stop signal
1554: generated
1555: ****/
1556:
1557: HTRequest_setPreemptive (me->request, NO);
1558: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_FETCHING),
1559: me->urlName);
1560:
1561: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1562:
1563: HT_FREE (ref);
1564:
1.7 cvs 1565: if (mode & AMAYA_FORM_POST)
1566: {
1567: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1568: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1569: HTRequest_setEntityAnchor (me->request, me->anchor);
1.4 cvs 1570:
1.7 cvs 1571: status = HTLoadAbsolute (urlName, me->request);
1572: }
1573: else
1.4 cvs 1574: status = HTLoadAnchor ((HTAnchor *) me->anchor,
1575: me->request);
1576:
1577: if (status == HT_ERROR || me->reqStatus == HT_END
1.7 cvs 1578: || me->reqStatus == HT_ERR)
1579: {
1580: /* in case of error, free all allocated memory and exit */
1581:
1.21 cvs 1582: if (me->output)
1583: fclose (me->output);
1584:
1.7 cvs 1585: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1586: {
1.21 cvs 1587: if(me->outputfile)
1588: TtaFreeMemory (me->outputfile);
1589: if(me->urlName)
1590: TtaFreeMemory (me->urlName);
1.7 cvs 1591: }
1.4 cvs 1592:
1.27 cvs 1593: if (me->reqStatus == HT_ERR)
1594: {
1595: status = HT_ERROR;
1596: /* show an error message on the status bar */
1597: FilesLoading[me->docid] = 2;
1598: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1599: me->urlName);
1600: }
1601: else
1602: status = HT_OK;
1.7 cvs 1603:
1604: AHTReqContext_delete (me);
1.27 cvs 1605: }
1.7 cvs 1606:
1607: else
1608: {
1609: /* part of the stop button handler */
1610:
1611: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1612: {
1613: status = LoopForStop (me);
1614: AHTReqContext_delete (me);
1615: }
1616: else
1617: {
1618:
1619: /* ASYNC MODE */
1620: /* if the request went to the pending events queue, then we close
1621: ** the file. It'll be open by AddEventLoop upon liberation of the
1622: ** queue
1.4 cvs 1623: */
1.7 cvs 1624:
1625: /* verify if this request went to the pending request queue */
1626:
1627: if ((cur = (HTList *) me->request->net->host->pending))
1628: while ((pending = HTList_nextObject (cur)))
1629: {
1630: if (me->request->net == (HTNet *) pending)
1631: {
1632: /* To correct: see if we can fine tune this request */
1633: if (me->reqStatus == HT_WAITING)
1634: break;
1635: me->reqStatus = HT_NEW_PENDING;
1636: /* the request went to the pending queue, so we close the fd to
1637: **avoid having many of them open without being used
1638: */
1639: if (THD_TRACE)
1640: fprintf (stderr, "GetObjectWWW: %s is pending. Closing fd %d\n", me->urlName, (int) me->output);
1.21 cvs 1641: /* free the allocated stream object */
1642: AHTFWriter_FREE (HTRequest_outputStream(me->request));
1643: HTRequest_setOutputStream (me->request, (HTStream *) NULL);
1.7 cvs 1644: fclose (me->output);
1645: me->output = NULL;
1646: break;
1647: }
1648: }
1649:
1.4 cvs 1650: }
1.7 cvs 1651: }
1.4 cvs 1652: TtaHandlePendingEvents ();
1653:
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: #ifdef WWW_XWINDOWS
1718: int fd;
1719: struct stat file_stat;
1720: char *mem_ptr;
1721: unsigned long block_size;
1722:
1.33 cvs 1723: AmayaLastHTTPErrorMsg [0] = EOS;
1724:
1.4 cvs 1725: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1726: !TtaFileExist (fileName))
1.4 cvs 1727: /* no file to be uploaded */
1728: return HT_ERROR;
1729:
1730: /* do we support this protocol? */
1.7 cvs 1731: if (IsValidProtocol (urlName) == NO)
1732: {
1733: /* return error */
1734: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1735: urlName);
1736: return HT_ERROR;
1737: }
1.4 cvs 1738: /* read the file into memory */
1739:
1.7 cvs 1740: if ((fd = open (fileName, O_RDONLY)) == -1)
1741: {
1742: /* if we could not open the file, exit */
1743: /*error msg here */
1744: return (HT_ERROR);
1745: }
1.4 cvs 1746:
1747: fstat (fd, &file_stat);
1748:
1.7 cvs 1749: if (file_stat.st_size == 0)
1750: {
1751: /* file was empty */
1752: /*errmsg here */
1753: close (fd);
1754: return (HT_ERROR);
1755: }
1.4 cvs 1756: block_size = file_stat.st_size;
1757:
1758: if (THD_TRACE)
1759: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1760:
1761: mem_ptr = (char *) TtaGetMemory (block_size);
1762:
1.7 cvs 1763: if (mem_ptr == (char *) NULL)
1764: {
1765: /* could not allocate enough memory */
1766: /*errmsg here */
1.4 cvs 1767:
1.7 cvs 1768: close (fd);
1769: return (HT_ERROR);
1770: }
1.4 cvs 1771: read (fd, mem_ptr, block_size);
1772:
1773: close (fd);
1774:
1.27 cvs 1775: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1776: block_size, mode, terminate_cbf,
1777: context_tcbf, (char *) NULL);
1778:
1779: TtaFreeMemory (mem_ptr);
1.28 cvs 1780: TtaHandlePendingEvents ();
1.4 cvs 1781:
1782: #endif /*WWW_XWINDOWS */
1783:
1784: return (status);
1785: }
1786:
1787:
1.5 cvs 1788: /*----------------------------------------------------------------------
1.17 cvs 1789: UploadMemWWW
1790: low level interface function to libwww for uploading a block of
1791: memory to a URL.
1.5 cvs 1792: ----------------------------------------------------------------------*/
1.4 cvs 1793: #ifdef __STDC__
1794: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1795: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1796: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1797: char *outputfile)
1798: #else
1.27 cvs 1799: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1800: terminate_cbf, context_tcbf, outputfile)
1801: int docid;
1802: HTMethod method;
1803: char *urlName;
1.27 cvs 1804: PicType contentType;
1.4 cvs 1805: char *mem_ptr;
1806: usigned long block_size;
1807: int mode;
1808: TTcbf *terminate_cbf;
1809: void *context_tcbf;
1810: char *outputfile;
1.7 cvs 1811:
1.4 cvs 1812: #endif
1813: {
1814: AHTReqContext *me;
1815: int status;
1816:
1817: if (mem_ptr == (char *) NULL ||
1818: block_size == 0 ||
1819: docid == 0 ||
1.7 cvs 1820: urlName == (char *) NULL)
1821: {
1822: /* nothing to be uploaded */
1823: return HT_ERROR;
1824: }
1.4 cvs 1825:
1826: /* Initialize the request structure */
1827: me = AHTReqContext_new (docid);
1828:
1.7 cvs 1829: if (me == NULL)
1830: {
1831: /* need an error message here */
1832: TtaHandlePendingEvents ();
1833: return (HT_ERROR);
1834: }
1.4 cvs 1835: me->mode = mode;
1836:
1837: me->incremental_cbf = (TIcbf *) NULL;
1838: me->context_icbf = (void *) NULL;
1839: me->terminate_cbf = terminate_cbf;
1840: me->context_tcbf = context_tcbf;
1841:
1842: me->output = stdout;
1843: me->outputfile = (char *) NULL;
1844: me->urlName = urlName;
1845:
1846: HTRequest_setPreemptive (me->request, NO);
1847:
1.17 cvs 1848: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1849: me->method = METHOD_PUT;
1850: HTRequest_setMethod (me->request, METHOD_PUT);
1851: me->output = stdout;
1.17 cvs 1852: /* we are not expecting to receive any input from the server */
1853: me->outputfile = (char *) NULL;
1.4 cvs 1854:
1855: me->mem_ptr = mem_ptr;
1856: me->block_size = block_size;
1.17 cvs 1857:
1858: /* set the callback which will actually copy data into the
1859: output stream */
1860:
1.4 cvs 1861: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1862:
1863: HTRequest_setOutputStream (me->request,
1864: HTFWriter_new (me->request, me->output, YES));
1865:
1866: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1867:
1.28 cvs 1868: /* Set the Content-Type of the file we are uploading */
1.27 cvs 1869: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, 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);
1873: status = HTLoadAbsolute (urlName, me->request);
1874:
1.28 cvs 1875: if (status == HT_ERROR || me->reqStatus == HT_END || me->reqStatus == HT_ERR || HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1876: {
1.17 cvs 1877: status = HT_ERROR;
1878: AHTReqContext_delete (me);
1.28 cvs 1879: }
1.7 cvs 1880: else
1881: {
1882: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1883: me->urlName);
1.4 cvs 1884:
1.7 cvs 1885: /* part of the stop button handler */
1.4 cvs 1886:
1.7 cvs 1887: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1888: {
1889: status = LoopForStop (me);
1890: AHTReqContext_delete (me);
1891: }
1.15 cvs 1892: }
1.4 cvs 1893: return (status);
1.28 cvs 1894: }
1.4 cvs 1895:
1896:
1897:
1.5 cvs 1898: /*----------------------------------------------------------------------
1.17 cvs 1899: Stop Request
1900: stops (kills) all active requests associated with a docid
1.5 cvs 1901: ----------------------------------------------------------------------*/
1.4 cvs 1902: #ifdef __STDC__
1903: void StopRequest (int docid)
1904: #else
1905: void StopRequest (docid)
1906: int docid;
1907: #endif
1908: {
1909: HTList *cur;
1910: AHTDocId_Status *docid_status;
1911: AHTReqContext *me;
1912: int open_requests;
1913:
1.7 cvs 1914: if (Amaya)
1915: {
1.4 cvs 1916:
1.7 cvs 1917: cur = Amaya->reqlist;
1918: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1919: Amaya->docid_status);
1920:
1.7 cvs 1921: /* verify if there are any requests at all associated with docid */
1.4 cvs 1922:
1.7 cvs 1923: if (docid_status == (AHTDocId_Status *) NULL)
1924: return;
1.4 cvs 1925:
1.7 cvs 1926: open_requests = docid_status->counter;
1.4 cvs 1927:
1.7 cvs 1928: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1929: {
1.4 cvs 1930:
1.7 cvs 1931: if (me->docid == docid)
1932: {
1933: /* kill this request */
1.4 cvs 1934:
1.7 cvs 1935: switch (me->reqStatus)
1936: {
1937: case HT_ABORT:
1938: break;
1.4 cvs 1939:
1.7 cvs 1940: case HT_BUSY:
1941: me->reqStatus = HT_ABORT;
1942: break;
1943: case HT_NEW_PENDING:
1944: case HT_WAITING:
1945: default:
1.4 cvs 1946: #ifdef WWW_XWINDOWS
1.7 cvs 1947: RequestKillAllXtevents (me);
1.4 cvs 1948: #endif
1.7 cvs 1949: me->reqStatus = HT_ABORT;
1950: HTRequest_kill (me->request);
1.4 cvs 1951:
1.7 cvs 1952: if (me->mode == AMAYA_ASYNC ||
1953: me->mode == AMAYA_IASYNC)
1954: {
1.4 cvs 1955:
1.7 cvs 1956: AHTReqContext_delete (me);
1957: }
1958: cur = Amaya->reqlist;
1.4 cvs 1959:
1.7 cvs 1960: open_requests--;
1.4 cvs 1961:
1.7 cvs 1962: break;
1.4 cvs 1963:
1.7 cvs 1964: } /* switch */
1965: } /* if me docid */
1966: } /* while */
1967: } /* if amaya open requests */
1.4 cvs 1968: } /* StopRequest */
1.17 cvs 1969:
1970:
1971: /*
1972: end of Module query.c
1973: */
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