Annotation of Amaya/amaya/query.c, revision 1.32
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:
153: atom = HTAtom_for("application/postscriptm");
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:
1.32 ! cvs 537: AmayaLastHTTPErrorMsg [0] = EOS;
! 538:
1.24 cvs 539: if (!AmayaIsAlive)
540: me->reqStatus = HT_ABORT;
541:
1.13 cvs 542: if (status == HT_LOADED || status == HT_CREATED || status == HT_NO_DATA)
543: error_flag = FALSE;
544: else
545: error_flag = TRUE;
546:
1.4 cvs 547: /* output any errors from the server */
548:
1.5 cvs 549: /***
1.4 cvs 550: ** me->output = output file which will receive an html file
551: ** me->error_html = yes, output HTML errors in the screen
552: ** request->error_stack == if there are any errors, they will be here
553: ** me->error_stream_size If it's != 0 means an error message has already
554: ** been written to the stack
555: */
556:
557: /* First, we verify if there are any errors and if they are not
1.17 cvs 558: ** yet written to the error stack. If no, then let's try to write them
559: ** ourselves
560: */
1.4 cvs 561:
1.7 cvs 562: if (me->output && me->output != stdout)
563: {
564: /* we are writing to a file */
565: if (me->reqStatus != HT_ABORT)
566: { /* if the request was not aborted and */
1.13 cvs 567: if (error_flag)
568: { /* there were some errors */
1.15 cvs 569: if (me->error_html == TRUE)
1.13 cvs 570: { /* and we want to print errors */
571: if (me->error_stream_size == 0) /* and the stream is empty */
1.7 cvs 572: AHTError_MemPrint (request); /* copy errors from the error stack
573: ** into a data structure */
574: if (me->error_stream)
575: { /* if the stream is non-empty */
576: fprintf (me->output, me->error_stream); /* output the errors */
1.13 cvs 577: error_flag = FALSE; /* show it in the HTML window */
1.7 cvs 578: }
579: else
580: me->reqStatus = HT_ERR; /* we did not get an error msg,
581: ** so just
582: ** mark error
583: */
584: }
585: else
586: me->reqStatus = HT_ERR; /* we don't want to print the error */
587: } /* if error_stack */
1.13 cvs 588: } /* if != HT_ABORT */
1.7 cvs 589: fclose (me->output);
590: }
591: else
592: {
593: /* We must be doing a PUT. Verify if there was an error */
1.13 cvs 594: if (error_flag)
595: me->reqStatus = HT_ERR;
1.7 cvs 596: } /* if me-output */
597:
1.17 cvs 598: /* Second Step: choose a correct treatment in function of the request's
599: being associated with an error, with an interruption, or with a
600: succesful completion */
1.7 cvs 601:
1.13 cvs 602: if (!error_flag && me->reqStatus != HT_ERR
1.7 cvs 603: && me->reqStatus != HT_ABORT)
604: {
605: me->reqStatus = HT_END; /* no errors */
606: if (me->terminate_cbf)
607: (*me->terminate_cbf) ((AHTReqContext *) me,
608: HT_LOADED);
609: }
610: else if (me->reqStatus == HT_ABORT)
1.21 cvs 611: /* either the application ended or the user pressed the stop
612: button. We erase the incoming file, if it exists */
1.7 cvs 613: {
614: if (me->outputfile && me->outputfile[0] != EOS)
615: {
1.9 cvs 616: TtaFileUnlink (me->outputfile);
1.7 cvs 617: me->outputfile[0] = EOS;
618: }
619: }
620: else if (me->reqStatus == HT_ERR)
621: {
622: /* there was an error */
623: if (me->terminate_cbf)
624: (*me->terminate_cbf) ((AHTReqContext *) me,
625: HT_ERROR);
626:
627: if (me->outputfile && me->outputfile[0] != EOS)
628: {
1.9 cvs 629: TtaFileUnlink (me->outputfile);
1.7 cvs 630: me->outputfile[0] = EOS;
631: }
1.4 cvs 632: }
1.13 cvs 633: else if (error_flag &&
1.7 cvs 634: (me->reqStatus == HT_BUSY || me->reqStatus == HT_WAITING))
635: {
636: /* there was an error */
637: if (me->terminate_cbf)
638: (*me->terminate_cbf) ((AHTReqContext *) me,
639: HT_ERROR);
640:
641: if (me->outputfile && me->outputfile[0] != EOS)
642: {
1.9 cvs 643: TtaFileUnlink (me->outputfile);
1.7 cvs 644: me->outputfile[0] = EOS;
645: me->reqStatus = HT_ERR;
646: }
647: } /* if-else HT_END, HT_ABORT, HT_ERROR */
1.4 cvs 648:
1.7 cvs 649: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.17 cvs 650: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
651: or in PutObjectWWW */
1.7 cvs 652: {
653: TtaFreeMemory (me->urlName);
1.21 cvs 654: me->urlName = NULL;
1.7 cvs 655: TtaFreeMemory (me->outputfile);
1.21 cvs 656: me->outputfile = NULL;
1.7 cvs 657: }
1.17 cvs 658:
1.4 cvs 659: /* don't remove or Xt will hang up during the put */
660:
1.28 cvs 661: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
662: (me->method == METHOD_PUT)))
1.7 cvs 663: {
1.32 ! cvs 664: /* experimental */
! 665: if (me->error_stream && me->error_stream[0] && me->error_stream_size)
! 666: strncpy (AmayaLastHTTPErrorMsg, me->error_stream, AMAYA_LAST_HTTP_ERROR_MSG_SIZE -1);
! 667: AmayaLastHTTPErrorMsg [AMAYA_LAST_HTTP_ERROR_MSG_SIZE-1] = EOS;
! 668:
1.28 cvs 669: /* output the status of the request */
670: if (status == 200)
671: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REQUEST_SUCCEEDED), me->urlName);
672: else if (status == 201)
673: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CREATED_NEW_REMOTE_RESSOURCE), me->urlName);
674: else if (status == 204 && me->method == METHOD_PUT)
675: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UPDATED_REMOTE_RESSOURCE), me->urlName);
676: else if (status == 204 && me->method == METHOD_PUT)
677: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NO_DATA), (char *) NULL);
678: else if (status == -400 || status == 505)
679: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_DID_NOT_UNDERSTAND_REQ_SYNTAX), (char *) NULL);
680: else if (status == -401)
681: TtaSetStatus (me->docid, 1,
682: TtaGetMessage (AMAYA, AM_AUTHENTICATION_FAILURE), me->urlName);
683: else if (status == -403)
684: TtaSetStatus (me->docid, 1,
685: TtaGetMessage (AMAYA, AM_FORBIDDEN_ACCESS), me->urlName);
686: else if (status == -405)
687: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_METHOD_NOT_ALLOWED), (char *) NULL);
688: else if (status == -1)
689: {
1.30 cvs 690: /*
691: ** Here we deal with errors for which libwww does not
692: ** return a correct status code
693: */
1.29 cvs 694: cur = HTRequest_error (request);
695: error = (HTError *) HTList_nextObject (cur);
1.30 cvs 696: errorElement = error->element;
697: if (errorElement == HTERR_NOT_IMPLEMENTED)
1.28 cvs 698: {
1.30 cvs 699: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_NOT_IMPLEMENTED_501_ERROR), (char *) NULL);
700: status = -501;
701: }
702: else if (errorElement == HTERR_INTERNAL)
703: {
1.31 cvs 704: if ((error->length > 0) && (error->length <= 25) &&
1.30 cvs 705: (error->par) && (((char *) error->par)[0] != EOS))
706: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_CAUSE), (char *) (error->par));
707: else
708: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_SERVER_INTERNAL_ERROR_500_NO_CAUSE), (char *) NULL);
1.28 cvs 709: status = -500;
710: }
1.30 cvs 711: else
712: {
713: sprintf (msg_status, "%d", status);
714: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_UNKNOWN_XXX_STATUS), msg_status);
715: }
1.28 cvs 716: }
1.7 cvs 717: }
1.4 cvs 718: return HT_OK;
719: }
720:
1.5 cvs 721: /*----------------------------------------------------------------------
1.17 cvs 722: AHTLoadTerminate_handler
723: this is an application "AFTER" Callback. It uses all the functionaly
1.27 cvs 724: that the app part of the Library gives for handling AFTER a request.
1.5 cvs 725: ----------------------------------------------------------------------*/
1.4 cvs 726:
727: #ifdef __STDC__
1.7 cvs 728: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 729: #else
730: static int AHTLoadTerminate_handler (request, response, param, status)
731: HTRequest *request;
732: HTResponse *response;
733: void *param;
734: int status;
735:
736: #endif
737: {
738: char *uri = HTAnchor_address ((HTAnchor *) request->anchor);
739: AHTReqContext *me = HTRequest_context (request);
740: HTAlertCallback *cbf;
741: AHTDocId_Status *docid_status;
742:
1.7 cvs 743: switch (status)
744: {
745: case HT_LOADED:
746: if (PROT_TRACE)
747: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.4 cvs 748: uri);
749:
1.7 cvs 750: docid_status = GetDocIdStatus (me->docid,
751: Amaya->docid_status);
752:
753: if (docid_status != NULL && docid_status->counter > 1)
754: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA,
755: AM_ELEMENT_LOADED), uri);
756:
757: break;
758:
759: case HT_NO_DATA:
760: if (PROT_TRACE)
761: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n", uri);
762: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
763: uri);
764: break;
765:
766: case HT_INTERRUPTED:
767: if (PROT_TRACE)
768: HTTrace ("Load End.... INTERRUPTED: `%s\'\n", uri);
769: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_LOAD_ABORT), NULL);
770:
771: break;
772:
773: case HT_RETRY:
774: if (PROT_TRACE)
775: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
776: HTResponse_retryTime (response));
777: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
778: uri);
779: break;
780:
781: case HT_ERROR:
782:
783: cbf = HTAlert_find (HT_A_MESSAGE);
784: if (cbf)
785: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
786: HTRequest_error (request), NULL);
787: break;
788:
789: if (PROT_TRACE)
790: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
791: uri ? uri : "<UNKNOWN>");
792: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
793: uri ? uri : "<UNKNOWN>");
794: break;
795: default:
796: if (PROT_TRACE)
797: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
798: break;
799: }
800:
1.4 cvs 801: HT_FREE (uri);
1.7 cvs 802:
1.4 cvs 803: return HT_OK;
804: }
805:
1.27 cvs 806: /*----------------------------------------------------------------------
807: AHTAcceptTypesInit
808: ----------------------------------------------------------------------*/
809: #ifdef __STDC__
810: static void AHTAcceptTypesInit (HTList *c)
811: #else /* __STDC__ */
812: static void AHTAcceptTypesInit (c)
813: HTList *c;
814: #endif /* __STDC__ */
815: {
816: if (c == (HTList *) NULL)
817: return;
818:
819: /* define here all the mime types that Amaya can accept */
820:
821: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
822: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
823: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
824: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
825: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
826: HTConversion_add (c, "application/postscript", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 827:
1.27 cvs 828: /* Define here the equivalences between MIME types and file extensions for
829: the types that Amaya can display */
830:
831: /* Register the default set of file suffix bindings */
832: HTFileInit ();
833:
834: /* Don't do any case distinction */
835: HTBind_caseSensitive (FALSE);
836: }
1.4 cvs 837:
1.5 cvs 838: /*----------------------------------------------------------------------
1.17 cvs 839: AHTConverterInit
840: Bindings between a source media type and a destination media type
841: (conversion).
1.5 cvs 842: ----------------------------------------------------------------------*/
1.15 cvs 843: #ifdef __STDC__
844: static void AHTConverterInit (HTList *c)
845: #else /* __STDC__ */
846: static void AHTConverterInit (c)
847: HTList *c;
848: #endif /* __STDC__ */
1.4 cvs 849: {
850:
851: /* Handler for custom http error messages */
1.7 cvs 852: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 853:
854: /*
855: ** These are converters that converts to something other than www/present,
856: ** that is not directly outputting someting to the user on the screen
857: */
858:
859: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
860: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
861: 1.0, 0.0, 0.0);
862: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
863: 1.0, 0.0, 0.0);
864: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
865: 1.0, 0.0, 0.0);
866: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
867: 1.0, 0.0, 0.0);
868:
869:
870: /*
871: ** The following conversions are converting ASCII output from various
872: ** protocols to HTML objects.
873: */
874: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
875: 1.0, 0.0, 0.0);
876: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
877: 1.0, 0.0, 0.0);
878: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
879: 1.0, 0.0, 0.0);
880:
881:
882: /*
883: ** We also register a special content type guess stream that can figure out
884: ** the content type by reading the first bytes of the stream
885: */
886: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
887: 1.0, 0.0, 0.0);
888:
889: /*
890: ** Register a persistent cache stream which can save an object to local
891: ** file
892: */
893: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
894: 1.0, 0.0, 0.0);
895:
896: /*
897: ** This dumps all other formats to local disk without any further
898: ** action taken
899: */
900: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
901: 0.3, 0.0, 0.0);
902:
903: }
904:
1.27 cvs 905:
1.15 cvs 906: /*----------------------------------------------------------------------
1.17 cvs 907: AHTProtocolInit
908: Registers all amaya supported protocols.
1.15 cvs 909: ----------------------------------------------------------------------*/
1.4 cvs 910: static void AHTProtocolInit (void)
911: {
912:
1.17 cvs 913: /*
914: NB. Preemptive == YES = Blocking request
915: Non-preemptive == NO = Non-blocking request
916: */
1.4 cvs 917:
918: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
919: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
920: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
921: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.17 cvs 922: #if 0 /* experimental code */
1.4 cvs 923: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
924: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
925: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
926:
927: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
928: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
929: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 930: #endif
1.4 cvs 931: }
932:
1.15 cvs 933: /*----------------------------------------------------------------------
1.17 cvs 934: AHTNetInit
935: Reegisters "before" and "after" request filters.
1.15 cvs 936: ----------------------------------------------------------------------*/
1.4 cvs 937: static void AHTNetInit (void)
938: {
939:
940: /* Register BEFORE filters
941: ** The BEFORE filters handle proxies, caches, rule files etc.
942: ** The filters are called in the order by which the are registered
943: ** Not done automaticly - may be done by application!
944: */
945:
946:
1.7 cvs 947: /*#ifndef HACK_WWW */
948: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
949: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.4 cvs 950:
1.7 cvs 951: /*#endif */
1.4 cvs 952:
953: /* register AFTER filters
954: ** The AFTER filters handle error messages, logging, redirection,
955: ** authentication etc.
956: ** The filters are called in the order by which the are registered
957: ** Not done automaticly - may be done by application!
958: */
959:
960: #ifndef HACK_WWW
961:
1.7 cvs 962: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
963: 5);
1.4 cvs 964:
1.7 cvs 965: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
966: 5);
967: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
968: 5);
969: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
970: 5);
1.4 cvs 971:
1.7 cvs 972: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST); /* handles all errors */
973: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 974: #endif
975: }
976:
1.15 cvs 977: /*----------------------------------------------------------------------
1.17 cvs 978: AHTAlertInit
979: Register alert messages and their callbacks.
1.15 cvs 980: ----------------------------------------------------------------------*/
981: #ifdef __STDC__
982: static void AHTAlertInit (void)
983: #else
984: static void AHTAlertInit ()
985: #endif
986: {
987:
988: HTAlert_add (AHTProgress, HT_A_PROGRESS);
989: HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT);
990: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.28 cvs 991: HTError_setShow (~((int) 0 ) & ~((int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 992: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
993: HTAlert_add (AHTPrompt, HT_A_PROMPT);
994: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
995: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
996: }
997:
998: /*----------------------------------------------------------------------
1.17 cvs 999: AHTProfile_newAmaya
1000: creates the Amaya client profile for libwww.
1.15 cvs 1001: ----------------------------------------------------------------------*/
1002: #ifdef __STDC__
1003: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1004: #else /* __STDC__ */
1005: static void AHTProfile_newAmaya (AppName, AppVersion)
1006: char *AppName;
1007: char *AppVersion;
1008: #endif /* __STDC__ */
1.4 cvs 1009: {
1010: /* If the Library is not already initialized then do it */
1011: if (!HTLib_isInitialized ())
1012: HTLibInit (AppName, AppVersion);
1013:
1014: if (!converters)
1015: converters = HTList_new ();
1.27 cvs 1016: if (!acceptTypes)
1017: acceptTypes = HTList_new ();
1.4 cvs 1018: if (!encodings)
1019: encodings = HTList_new ();
1020:
1021: /* Register the default set of transport protocols */
1022: HTTransportInit ();
1023:
1024: /* Register the default set of application protocol modules */
1025: #ifndef HACK_WWW
1026: AHTProtocolInit ();
1027: #endif
1028:
1029: /* Enable the persistent cache */
1030: /* HTCacheInit (NULL, 20); */
1031:
1032: /* Register the default set of BEFORE and AFTER filters */
1033: AHTNetInit ();
1034:
1035: /* Set up the default set of Authentication schemes */
1036: HTAAInit ();
1037:
1038: /* Get any proxy or gateway environment variables */
1039: HTProxy_getEnvVar ();
1040:
1041: /* Register the default set of converters */
1042: AHTConverterInit (converters);
1.27 cvs 1043: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1044: HTFormat_setConversion (converters);
1045:
1046: /* Register the default set of transfer encoders and decoders */
1047: HTEncoderInit (encodings); /* chunks ??? */
1048: HTFormat_setTransferCoding (encodings);
1049:
1050: /* Register the default set of MIME header parsers */
1051: HTMIMEInit (); /* must be called again for language selector */
1052:
1053: /* Register the default set of Icons for directory listings */
1.27 cvs 1054: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1055:
1056: /* Register the default set of messages and dialog functions */
1057: AHTAlertInit ();
1058: HTAlert_setInteractive (YES);
1059: }
1060:
1.5 cvs 1061: /*----------------------------------------------------------------------
1.17 cvs 1062: AHTProfile_delete
1063: deletes the Amaya client profile.
1.5 cvs 1064: ----------------------------------------------------------------------*/
1.4 cvs 1065: #ifdef __STDC__
1066: static void AHTProfile_delete (void)
1067: #else
1068: static void AHTProfile_delete ()
1.7 cvs 1069: #endif /* __STDC__ */
1.4 cvs 1070: {
1.22 cvs 1071:
1072: /* free the Amaya global context */
1.27 cvs 1073: if (!converters)
1074: HTConversion_deleteAll (converters);
1075: if (!acceptTypes)
1076: HTConversion_deleteAll (acceptTypes);
1077: if (!encodings)
1078: HTCoding_deleteAll (encodings);
1079:
1080: HTList_delete (Amaya->docid_status);
1081: HTList_delete (Amaya->reqlist);
1082: TtaFreeMemory (Amaya);
1.22 cvs 1083:
1084: if (HTLib_isInitialized ())
1085: {
1086:
1087: /* Clean up the persistent cache (if any) */
1088: HTCacheTerminate ();
1.4 cvs 1089:
1.22 cvs 1090: /* Clean up all the global preferences */
1091: HTFormat_deleteAll ();
1.4 cvs 1092:
1.22 cvs 1093: /* Terminate libwww */
1094: HTLibTerminate ();
1095: }
1.4 cvs 1096: }
1097:
1.5 cvs 1098: /*----------------------------------------------------------------------
1.17 cvs 1099: QueryInit
1100: initializes the libwww interface
1.5 cvs 1101: ----------------------------------------------------------------------*/
1.4 cvs 1102: #ifdef __STDC__
1103: void QueryInit ()
1104: #else
1105: void QueryInit ()
1106: #endif
1107: {
1108:
1.24 cvs 1109: AmayaIsAlive = TRUE;
1.4 cvs 1110: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1111:
1112: /* New AHTBridge stuff */
1113:
1114: HTEvent_setRegisterCallback (AHTEvent_register);
1115: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1116:
1117: /* Setup authentication manager */
1118: /***
1119: HTAuthCall_add("basic", HTBasic_parse, HTBasic_generate, HTBasic_delete);
1120: ****/
1121:
1122: /* Trace activation (for debugging) */
1.7 cvs 1123: /*
1.4 cvs 1124: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1125: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1126: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1127: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1128: SHOW_CORE_TRACE;
1129:
1.7 cvs 1130: */
1.4 cvs 1131:
1132: /***
1133: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1134: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1135: ***/
1136:
1137: /* Setting up other user interfaces */
1138: /* needs a little bit more work */
1139:
1140: /* Setting up handlers */
1141: #ifndef HACK_WWW
1142: /* HTNetCall_addBefore(HTLoadStart, NULL, 0); */
1143: #endif
1144:
1145: /* Setting up different network parameters */
1.17 cvs 1146: /* Maximum number of simultaneous open sockets */
1.4 cvs 1147: HTNet_setMaxSocket (8);
1148: HTDNS_setTimeout (3600);
1.17 cvs 1149: /* Cache is disabled in this version */
1.4 cvs 1150: HTCacheMode_setEnabled (0);
1151:
1152: /* Initialization of the global context */
1153: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1154: Amaya->reqlist = HTList_new ();
1155: Amaya->docid_status = HTList_new ();
1156: Amaya->open_requests = 0;
1157:
1158: #ifdef CATCH_SIG
1.18 cvs 1159: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1160: #endif
1.15 cvs 1161: }
1162:
1163:
1164: /*----------------------------------------------------------------------
1.17 cvs 1165: LoopForStop
1166: a copy of the Thop event loop so we can handle the stop button.
1.15 cvs 1167: ----------------------------------------------------------------------*/
1168: #ifdef __STDC__
1169: static int LoopForStop (AHTReqContext * me)
1170: #else
1171: static int LoopForStop (AHTReqContext * me)
1172: #endif
1173: {
1174:
1175: #ifdef WWW_XWINDOWS
1.25 cvs 1176: extern ThotAppContext app_cont;
1.15 cvs 1177: XEvent ev;
1178: XtInputMask status;
1179:
1180: #endif /* WWW_XWINDOWS */
1.17 cvs 1181: int status_req = HT_OK;
1.15 cvs 1182:
1183: /* to test the async calls */
1.17 cvs 1184: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1185: while (me->reqStatus != HT_ABORT &&
1186: me->reqStatus != HT_END &&
1187: me->reqStatus != HT_ERR)
1188: {
1189:
1190: #ifdef WWW_XWINDOWS
1.27 cvs 1191: if (!AmayaIsAlive)
1192: /* Amaya was killed by one of the callback handlers */
1193: exit (0);
1194:
1.15 cvs 1195: status = XtAppPending (app_cont);
1196: if (status & XtIMXEvent)
1197: {
1198: XtAppNextEvent (app_cont, &ev);
1199: TtaHandleOneEvent (&ev);
1200: }
1201: else if (status & (XtIMAll & (~XtIMXEvent)))
1202: {
1203: XtAppProcessEvent (app_cont,
1204: (XtIMAll & (~XtIMXEvent)));
1205: }
1206: else
1207: {
1208: XtAppNextEvent (app_cont, &ev);
1209: TtaHandleOneEvent (&ev);
1210: }
1211: #endif /* WWW_XWINDOWS */
1212: }
1213:
1214: switch (me->reqStatus)
1215: {
1.4 cvs 1216:
1.15 cvs 1217: case HT_ERR:
1218: case HT_ABORT:
1219: status_req = HT_ERROR;
1220: break;
1221:
1222: case HT_END:
1223: status_req = HT_OK;
1224: break;
1225:
1226: default:
1227: break;
1228: }
1.12 cvs 1229:
1.15 cvs 1230: return (status_req);
1.4 cvs 1231: }
1232:
1233:
1.5 cvs 1234: /*----------------------------------------------------------------------
1.15 cvs 1235: QueryClose
1.21 cvs 1236: closes all existing threads, frees all non-automatically deallocated
1237: memory and then ends libwww.
1.5 cvs 1238: ----------------------------------------------------------------------*/
1.4 cvs 1239: void QueryClose ()
1240: {
1.24 cvs 1241:
1242: AmayaIsAlive = FALSE;
1243:
1.21 cvs 1244: /* remove all the handlers and callbacks that may output a message to
1245: a non-existent Amaya window */
1246:
1247: HTNet_deleteAfter (AHTLoadTerminate_handler);
1248: HTNet_deleteAfter (redirection_handler);
1249: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1250: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1251: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1252: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.21 cvs 1253:
1.4 cvs 1254: Thread_deleteAll ();
1.21 cvs 1255:
1.4 cvs 1256: #ifndef HACK_WWW
1257: /** HTAuthInfo_deleteAll (); **/
1258: #endif
1259: HTProxy_deleteAll ();
1260: HTNoProxy_deleteAll ();
1261: HTGateway_deleteAll ();
1262: AHTProfile_delete ();
1263: }
1264:
1265:
1.5 cvs 1266: /*----------------------------------------------------------------------
1.15 cvs 1267: GetObjectWWW
1.17 cvs 1268: this function requests a resource designated by a URLname into a
1269: temporary filename. The download can come from a simple GET operation,
1270: or can come from POSTING/GETTING a form. In the latter
1271: case, the function receives a query string to send to the server.
1272:
1.5 cvs 1273: 4 file retrieval modes are proposed:
1274: AMAYA_SYNC : blocking mode
1275: AMAYA_ISYNC : incremental, blocking mode
1276: AMAYA_ASYNC : non-blocking mode
1277: AMAYA_IASYNC : incremental, non-blocking mode
1278:
1279: In the incremental mode, each time a package arrives, it will be
1280: stored in the temporary file. In addition, if an
1281: incremental_callback function is defined, this function will be
1282: called and handled a copy of the newly received data package.
1283: Finally, if a terminate_callback function is defined, it will be
1284: invoked when the request terminates. The caller of this function
1.4 cvs 1285: can define two different contexts to be passed to the callback
1286: functions.
1287:
1288: When the function is called with the SYNC mode, the function will
1289: return only when the requested file has been loaded.
1290: The ASYNC mode will immediately return after setting up the
1291: call.
1292:
1293: Notes:
1294: At the end of a succesful request, the urlName string contains the
1295: name of the actually retrieved URL. As a URL can change over the time,
1296: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1297: caller verify the value of the urlName variable at the end of
1.4 cvs 1298: a request.
1299:
1300: Inputs:
1301: - docid Document identifier for the set of objects being
1302: retrieved.
1303: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1304: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1305: - mode The retrieval mode.
1306: - incremental_cbf
1307: - context_icbf
1308: Callback and context for the incremental modes
1309: - terminate_cbf
1310: - context_icbf
1311: Callback and context for a terminate handler
1.17 cvs 1312: -error_html if TRUE, then display any server error message as an
1313: HTML document.
1.4 cvs 1314:
1315: Outputs:
1316: - urlName The URL that was retrieved
1317: - outputfile The name of the temporary file which holds the
1318: retrieved data. (Only in case of success)
1319: Returns:
1320: HT_ERROR
1321: HT_OK
1.5 cvs 1322:
1323: ----------------------------------------------------------------------*/
1.4 cvs 1324: #ifdef __STDC__
1325: int GetObjectWWW (int docid, char *urlName, char *postString,
1326: char *outputfile, int mode,
1327: TIcbf * incremental_cbf, void *context_icbf,
1.15 cvs 1328: TTcbf * terminate_cbf, void *context_tcbf, boolean error_html)
1.4 cvs 1329: #else
1330: int GetObjectWWW (docid, urlName, postString, outputfile, mode,
1331: incremental_cbf, context_icbf, terminate_cbf, context_tcbf,
1332: error_html)
1333: int docid;
1334: char *urlName;
1335: char *postString;
1336: char *outputfile;
1337: int mode;
1338: TIcbf *incremental_cbf;
1339: void *context_icbf;
1340: TTcbf *terminate_cbf;
1341: void *context_tcbf;
1.15 cvs 1342: boolean error_html;
1.4 cvs 1343: #endif
1344: {
1345: AHTReqContext *me;
1346:
1347: FILE *tmp_fp;
1348: char *tmp_dir;
1349: char *ref;
1350: int status;
1351: HTList *cur, *pending;
1.7 cvs 1352:
1353: if (urlName == NULL || docid == 0 || outputfile == NULL)
1354: {
1355: /* no file to be loaded */
1356: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL),
1357: urlName);
1358:
1359: if (error_html)
1360: FilesLoading[docid] = 2; /* so we can show the error message */
1361: return HT_ERROR;
1.4 cvs 1362:
1.7 cvs 1363: }
1.4 cvs 1364: /* do we support this protocol? */
1.7 cvs 1365: if (IsValidProtocol (urlName) == NO)
1366: {
1367: /* return error */
1368: outputfile[0] = EOS; /* file could not be opened */
1369: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
1370: urlName);
1371:
1372: if (error_html)
1373: FilesLoading[docid] = 2; /* so we can show the error message */
1374: return HT_ERROR;
1375: }
1.4 cvs 1376:
1377: /* verify if a docid directory exists */
1378:
1379: tmp_dir = TtaGetMemory (strlen (TempFileDirectory) + 5 + 1);
1380: sprintf (tmp_dir, "%s/%d", TempFileDirectory, docid);
1381:
1382: tmp_fp = fopen (tmp_dir, "r");
1.7 cvs 1383: if (tmp_fp == 0)
1384: {
1385: /*directory did not exist */
1386: if (mkdir (tmp_dir, S_IRWXU) == -1)
1387: {
1388: /*error */
1389: outputfile[0] = EOS;
1390: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_CACHE_ERROR),
1391: urlName);
1392:
1393: if (error_html)
1394: FilesLoading[docid] = 2; /* so we can show the error message */
1395:
1396: return HT_ERROR;
1397: }
1398: }
1399: else
1.4 cvs 1400: fclose (tmp_fp);
1401:
1402: /*create a tempfilename */
1403:
1404: sprintf (outputfile, "%s/%04dAM", tmp_dir, object_counter);
1405:
1406: TtaFreeMemory (tmp_dir);
1407:
1408: /* update the object_counter */
1409: object_counter++;
1410:
1411: /* normalize the URL */
1412: ref = HTParse (urlName, "", PARSE_ALL);
1413:
1414: /* should we abort the request if we could not normalize the url? */
1415:
1.7 cvs 1416: if (ref == (char *) NULL || ref[0] == EOS)
1417: {
1418: /*error */
1419: outputfile[0] = EOS;
1420: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL),
1421: urlName);
1.4 cvs 1422:
1.7 cvs 1423: if (error_html)
1424: FilesLoading[docid] = 2; /* so we can show the error message */
1.4 cvs 1425:
1.7 cvs 1426: return HT_ERROR;
1427: }
1.4 cvs 1428: /* verify if that file name existed */
1.9 cvs 1429: if (TtaFileExist (outputfile))
1.7 cvs 1430: {
1.9 cvs 1431: TtaFileUnlink (outputfile);
1.7 cvs 1432: }
1.4 cvs 1433:
1434: /* try to open the outputfile */
1435:
1.7 cvs 1436: if ((tmp_fp = fopen (outputfile, "w")) == NULL)
1437: {
1438: outputfile[0] = EOS; /* file could not be opened */
1439: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
1440: outputfile);
1441: HT_FREE (ref);
1442:
1443: if (error_html)
1444: FilesLoading[docid] = 2; /* so we can show the error message */
1445: return (HT_ERROR);
1446: }
1.4 cvs 1447:
1448: /* the terminate_handler closes the above open fp */
1449: /* Not anymore, we do that in the AHTCallback_bridge, as all
1450: requests are now asynchronous */
1451:
1452: /* Initialize the request structure */
1453:
1454: me = AHTReqContext_new (docid);
1455:
1.7 cvs 1456: if (me == NULL)
1457: {
1458: fclose (tmp_fp);
1459: outputfile[0] = EOS;
1460: /* need an error message here */
1461: HT_FREE (ref);
1462: return (HT_ERROR);
1463: }
1.4 cvs 1464:
1465:
1466: /* Specific initializations for POST and GET */
1.7 cvs 1467: if (mode & AMAYA_FORM_POST)
1468: {
1469: me->method = METHOD_POST;
1.20 cvs 1470: if (postString)
1471: {
1472: me->mem_ptr = postString;
1473: me->block_size = strlen (postString);
1474: }
1475: else
1476: {
1477: me->mem_ptr = "";
1478: me->block_size = 0;
1479: }
1.7 cvs 1480: HTRequest_setMethod (me->request, METHOD_POST);
1481: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1482: }
1483: else
1484: {
1485: me->method = METHOD_GET;
1486: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1.27 cvs 1487: if (!HasKnownFileSuffix (ref))
1488: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.7 cvs 1489: }
1.4 cvs 1490:
1491: /* Common initialization */
1492:
1493: me->mode = mode;
1494: me->error_html = error_html;
1495: me->incremental_cbf = incremental_cbf;
1496: me->context_icbf = context_icbf;
1497: me->terminate_cbf = terminate_cbf;
1498: me->context_tcbf = context_tcbf;
1499: me->output = tmp_fp;
1500:
1501: HTRequest_setOutputStream (me->request,
1502: AHTFWriter_new (me->request, me->output, YES));
1.7 cvs 1503:
1.4 cvs 1504:
1505: /*for the async. request modes, we need to have our
1506: own copy of outputfile and urlname
1507: */
1508:
1.7 cvs 1509: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1510: {
1511: char *tmp;
1512:
1513: tmp = TtaGetMemory (strlen (outputfile) + 1);
1514: strcpy (tmp, outputfile);
1515: me->outputfile = tmp;
1516:
1.21 cvs 1517: tmp = TtaGetMemory (MAX_LENGTH + 1);
1518: strncpy (tmp, urlName, MAX_LENGTH);
1519: tmp[MAX_LENGTH] = EOS;
1.7 cvs 1520: me->urlName = tmp;
1521: }
1522: else
1523: {
1524: me->outputfile = outputfile;
1525: me->urlName = urlName;
1526: }
1.4 cvs 1527:
1528: /***
1529: Change for taking into account the stop button:
1530: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1531: we will loop until the document has been received or a stop signal
1532: generated
1533: ****/
1534:
1535: HTRequest_setPreemptive (me->request, NO);
1536: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_FETCHING),
1537: me->urlName);
1538:
1539: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1540:
1541: HT_FREE (ref);
1542:
1.7 cvs 1543: if (mode & AMAYA_FORM_POST)
1544: {
1545: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1546: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1547: HTRequest_setEntityAnchor (me->request, me->anchor);
1.4 cvs 1548:
1.7 cvs 1549: status = HTLoadAbsolute (urlName, me->request);
1550: }
1551: else
1.4 cvs 1552: status = HTLoadAnchor ((HTAnchor *) me->anchor,
1553: me->request);
1554:
1555: if (status == HT_ERROR || me->reqStatus == HT_END
1.7 cvs 1556: || me->reqStatus == HT_ERR)
1557: {
1558: /* in case of error, free all allocated memory and exit */
1559:
1.21 cvs 1560: if (me->output)
1561: fclose (me->output);
1562:
1.7 cvs 1563: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
1564: {
1.21 cvs 1565: if(me->outputfile)
1566: TtaFreeMemory (me->outputfile);
1567: if(me->urlName)
1568: TtaFreeMemory (me->urlName);
1.7 cvs 1569: }
1.4 cvs 1570:
1.27 cvs 1571: if (me->reqStatus == HT_ERR)
1572: {
1573: status = HT_ERROR;
1574: /* show an error message on the status bar */
1575: FilesLoading[me->docid] = 2;
1576: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1577: me->urlName);
1578: }
1579: else
1580: status = HT_OK;
1.7 cvs 1581:
1582: AHTReqContext_delete (me);
1.27 cvs 1583: }
1.7 cvs 1584:
1585: else
1586: {
1587: /* part of the stop button handler */
1588:
1589: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1590: {
1591: status = LoopForStop (me);
1592: AHTReqContext_delete (me);
1593: }
1594: else
1595: {
1596:
1597: /* ASYNC MODE */
1598: /* if the request went to the pending events queue, then we close
1599: ** the file. It'll be open by AddEventLoop upon liberation of the
1600: ** queue
1.4 cvs 1601: */
1.7 cvs 1602:
1603: /* verify if this request went to the pending request queue */
1604:
1605: if ((cur = (HTList *) me->request->net->host->pending))
1606: while ((pending = HTList_nextObject (cur)))
1607: {
1608: if (me->request->net == (HTNet *) pending)
1609: {
1610: /* To correct: see if we can fine tune this request */
1611: if (me->reqStatus == HT_WAITING)
1612: break;
1613: me->reqStatus = HT_NEW_PENDING;
1614: /* the request went to the pending queue, so we close the fd to
1615: **avoid having many of them open without being used
1616: */
1617: if (THD_TRACE)
1618: fprintf (stderr, "GetObjectWWW: %s is pending. Closing fd %d\n", me->urlName, (int) me->output);
1.21 cvs 1619: /* free the allocated stream object */
1620: AHTFWriter_FREE (HTRequest_outputStream(me->request));
1621: HTRequest_setOutputStream (me->request, (HTStream *) NULL);
1.7 cvs 1622: fclose (me->output);
1623: me->output = NULL;
1624: break;
1625: }
1626: }
1627:
1.4 cvs 1628: }
1.7 cvs 1629: }
1.4 cvs 1630: TtaHandlePendingEvents ();
1631:
1632: return (status);
1633: }
1634:
1.5 cvs 1635: /*----------------------------------------------------------------------
1.17 cvs 1636: PutObjectWWW
1637: frontend for uploading a resource to a URL. This function downloads
1638: a file to be uploaded into memory, it then calls UploadMemWWW to
1639: finish the job.
1640:
1.5 cvs 1641: 2 upload modes are proposed:
1642: AMAYA_SYNC : blocking mode
1643: AMAYA_ASYNC : non-blocking mode
1644:
1.4 cvs 1645: When the function is called with the SYNC mode, the function will
1646: return only when the file has been uploaded.
1647: The ASYNC mode will immediately return after setting up the
1648: call. Furthermore, at the end of an upload, the ASYNC mode will
1649: call back terminate_cbf, handling it the context defined in
1650: context_tcbf.
1651:
1652: Notes:
1653: At the end of a succesful request, the urlName string contains the
1654: name of the actually uploaded URL. As a URL can change over the time,
1655: (e.g., be redirected elsewhere), it is advised that the function
1656: caller verifies the value of the urlName variable at the end of
1657: a request.
1658:
1659: Inputs:
1660: - docid Document identifier for the set of objects being
1661: retrieved.
1662: - fileName A pointer to the local file to upload
1663: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1664: - mode The retrieval mode.
1665: - terminate_cbf
1666: - context_icbf
1667: Callback and context for a terminate handler
1668:
1669: Outputs:
1670: - urlName The URL that was uploaded
1671:
1672: Returns:
1673: HT_ERROR
1674: HT_OK
1.5 cvs 1675: ----------------------------------------------------------------------*/
1.4 cvs 1676: #ifdef __STDC__
1.27 cvs 1677: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1678: TTcbf * terminate_cbf, void *context_tcbf)
1679: #else
1.26 cvs 1680: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1681: ,terminate_cbf, context_tcbf)
1682: int docid;
1683: char *urlName;
1684: char *fileName;
1685: int mode;
1.27 cvs 1686: PicType contentType;
1.4 cvs 1687: TTcbf *terminate_cbf;
1688: void *context_tcbf;
1689:
1690: #endif
1691: {
1.7 cvs 1692: /*AHTReqContext *me; */
1.4 cvs 1693: int status;
1694:
1695: #ifdef WWW_XWINDOWS
1696: int fd;
1697: struct stat file_stat;
1698: char *mem_ptr;
1699: unsigned long block_size;
1700:
1701: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1702: !TtaFileExist (fileName))
1.4 cvs 1703: /* no file to be uploaded */
1704: return HT_ERROR;
1705:
1706: /* do we support this protocol? */
1.7 cvs 1707: if (IsValidProtocol (urlName) == NO)
1708: {
1709: /* return error */
1710: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1711: urlName);
1712: return HT_ERROR;
1713: }
1.4 cvs 1714: /* read the file into memory */
1715:
1.7 cvs 1716: if ((fd = open (fileName, O_RDONLY)) == -1)
1717: {
1718: /* if we could not open the file, exit */
1719: /*error msg here */
1720: return (HT_ERROR);
1721: }
1.4 cvs 1722:
1723: fstat (fd, &file_stat);
1724:
1.7 cvs 1725: if (file_stat.st_size == 0)
1726: {
1727: /* file was empty */
1728: /*errmsg here */
1729: close (fd);
1730: return (HT_ERROR);
1731: }
1.4 cvs 1732: block_size = file_stat.st_size;
1733:
1734: if (THD_TRACE)
1735: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1736:
1737: mem_ptr = (char *) TtaGetMemory (block_size);
1738:
1.7 cvs 1739: if (mem_ptr == (char *) NULL)
1740: {
1741: /* could not allocate enough memory */
1742: /*errmsg here */
1.4 cvs 1743:
1.7 cvs 1744: close (fd);
1745: return (HT_ERROR);
1746: }
1.4 cvs 1747: read (fd, mem_ptr, block_size);
1748:
1749: close (fd);
1750:
1.27 cvs 1751: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1752: block_size, mode, terminate_cbf,
1753: context_tcbf, (char *) NULL);
1754:
1755: TtaFreeMemory (mem_ptr);
1.28 cvs 1756: TtaHandlePendingEvents ();
1.4 cvs 1757:
1758: #endif /*WWW_XWINDOWS */
1759:
1760: return (status);
1761: }
1762:
1763:
1.5 cvs 1764: /*----------------------------------------------------------------------
1.17 cvs 1765: UploadMemWWW
1766: low level interface function to libwww for uploading a block of
1767: memory to a URL.
1.5 cvs 1768: ----------------------------------------------------------------------*/
1.4 cvs 1769: #ifdef __STDC__
1770: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1771: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1772: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1773: char *outputfile)
1774: #else
1.27 cvs 1775: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1776: terminate_cbf, context_tcbf, outputfile)
1777: int docid;
1778: HTMethod method;
1779: char *urlName;
1.27 cvs 1780: PicType contentType;
1.4 cvs 1781: char *mem_ptr;
1782: usigned long block_size;
1783: int mode;
1784: TTcbf *terminate_cbf;
1785: void *context_tcbf;
1786: char *outputfile;
1.7 cvs 1787:
1.4 cvs 1788: #endif
1789: {
1790: AHTReqContext *me;
1791: int status;
1792:
1793: if (mem_ptr == (char *) NULL ||
1794: block_size == 0 ||
1795: docid == 0 ||
1.7 cvs 1796: urlName == (char *) NULL)
1797: {
1798: /* nothing to be uploaded */
1799: return HT_ERROR;
1800: }
1.4 cvs 1801:
1802: /* Initialize the request structure */
1803: me = AHTReqContext_new (docid);
1804:
1.7 cvs 1805: if (me == NULL)
1806: {
1807: /* need an error message here */
1808: TtaHandlePendingEvents ();
1809: return (HT_ERROR);
1810: }
1.4 cvs 1811: me->mode = mode;
1812:
1813: me->incremental_cbf = (TIcbf *) NULL;
1814: me->context_icbf = (void *) NULL;
1815: me->terminate_cbf = terminate_cbf;
1816: me->context_tcbf = context_tcbf;
1817:
1818: me->output = stdout;
1819: me->outputfile = (char *) NULL;
1820: me->urlName = urlName;
1821:
1822: HTRequest_setPreemptive (me->request, NO);
1823:
1.17 cvs 1824: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1825: me->method = METHOD_PUT;
1826: HTRequest_setMethod (me->request, METHOD_PUT);
1827: me->output = stdout;
1.17 cvs 1828: /* we are not expecting to receive any input from the server */
1829: me->outputfile = (char *) NULL;
1.4 cvs 1830:
1831: me->mem_ptr = mem_ptr;
1832: me->block_size = block_size;
1.17 cvs 1833:
1834: /* set the callback which will actually copy data into the
1835: output stream */
1836:
1.4 cvs 1837: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1838:
1839: HTRequest_setOutputStream (me->request,
1840: HTFWriter_new (me->request, me->output, YES));
1841:
1842: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1843:
1.28 cvs 1844: /* Set the Content-Type of the file we are uploading */
1.27 cvs 1845: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1846:
1.7 cvs 1847: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1848: HTRequest_setEntityAnchor (me->request, me->anchor);
1849: status = HTLoadAbsolute (urlName, me->request);
1850:
1.28 cvs 1851: if (status == HT_ERROR || me->reqStatus == HT_END || me->reqStatus == HT_ERR || HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1852: {
1.17 cvs 1853: status = HT_ERROR;
1854: AHTReqContext_delete (me);
1.28 cvs 1855: }
1.7 cvs 1856: else
1857: {
1858: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1859: me->urlName);
1.4 cvs 1860:
1.7 cvs 1861: /* part of the stop button handler */
1.4 cvs 1862:
1.7 cvs 1863: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1864: {
1865: status = LoopForStop (me);
1866: AHTReqContext_delete (me);
1867: }
1.15 cvs 1868: }
1.4 cvs 1869: return (status);
1.28 cvs 1870: }
1.4 cvs 1871:
1872:
1873:
1.5 cvs 1874: /*----------------------------------------------------------------------
1.17 cvs 1875: Stop Request
1876: stops (kills) all active requests associated with a docid
1.5 cvs 1877: ----------------------------------------------------------------------*/
1.4 cvs 1878: #ifdef __STDC__
1879: void StopRequest (int docid)
1880: #else
1881: void StopRequest (docid)
1882: int docid;
1883: #endif
1884: {
1885: HTList *cur;
1886: AHTDocId_Status *docid_status;
1887: AHTReqContext *me;
1888: int open_requests;
1889:
1.7 cvs 1890: if (Amaya)
1891: {
1.4 cvs 1892:
1.7 cvs 1893: cur = Amaya->reqlist;
1894: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1895: Amaya->docid_status);
1896:
1.7 cvs 1897: /* verify if there are any requests at all associated with docid */
1.4 cvs 1898:
1.7 cvs 1899: if (docid_status == (AHTDocId_Status *) NULL)
1900: return;
1.4 cvs 1901:
1.7 cvs 1902: open_requests = docid_status->counter;
1.4 cvs 1903:
1.7 cvs 1904: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
1905: {
1.4 cvs 1906:
1.7 cvs 1907: if (me->docid == docid)
1908: {
1909: /* kill this request */
1.4 cvs 1910:
1.7 cvs 1911: switch (me->reqStatus)
1912: {
1913: case HT_ABORT:
1914: break;
1.4 cvs 1915:
1.7 cvs 1916: case HT_BUSY:
1917: me->reqStatus = HT_ABORT;
1918: break;
1919: case HT_NEW_PENDING:
1920: case HT_WAITING:
1921: default:
1.4 cvs 1922: #ifdef WWW_XWINDOWS
1.7 cvs 1923: RequestKillAllXtevents (me);
1.4 cvs 1924: #endif
1.7 cvs 1925: me->reqStatus = HT_ABORT;
1926: HTRequest_kill (me->request);
1.4 cvs 1927:
1.7 cvs 1928: if (me->mode == AMAYA_ASYNC ||
1929: me->mode == AMAYA_IASYNC)
1930: {
1.4 cvs 1931:
1.7 cvs 1932: AHTReqContext_delete (me);
1933: }
1934: cur = Amaya->reqlist;
1.4 cvs 1935:
1.7 cvs 1936: open_requests--;
1.4 cvs 1937:
1.7 cvs 1938: break;
1.4 cvs 1939:
1.7 cvs 1940: } /* switch */
1941: } /* if me docid */
1942: } /* while */
1943: } /* if amaya open requests */
1.4 cvs 1944: } /* StopRequest */
1.17 cvs 1945:
1946:
1947: /*
1948: end of Module query.c
1949: */
1950:
1951:
1952:
1953:
1954:
1955:
1956:
1957:
1958:
1959:
1960:
1961:
1962:
1963:
1964:
1965:
1966:
1967:
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to query.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / Amaya / amaya