Annotation of Amaya/amaya/query.c, revision 1.98
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
5: *
6: */
1.4 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.44 cvs 17: #ifndef AMAYA_JAVA
18:
1.12 cvs 19: /* Amaya includes */
1.25 cvs 20: #define THOT_EXPORT extern
1.4 cvs 21: #include "amaya.h"
1.70 cvs 22: #ifdef _WINDOWS
23: #include <fcntl.h>
24: #endif /* _WINDOWS */
1.7 cvs 25:
1.4 cvs 26: #if defined(__svr4__)
27: #define CATCH_SIG
28: #endif
29:
30: /* local structures coming from libwww and which are
1.17 cvs 31: not found in any .h file
1.7 cvs 32: */
1.68 cvs 33:
1.7 cvs 34: struct _HTStream
35: {
1.15 cvs 36: const HTStreamClass *isa;
37: FILE *fp;
1.45 cvs 38: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 39: char *end_command; /* Command to execute */
40: BOOL remove_on_close; /* Remove file? */
41: char *filename; /* Name of file */
42: HTRequest *request; /* saved for callback */
43: HTRequestCallback *callback;
1.7 cvs 44: };
45:
1.15 cvs 46:
1.7 cvs 47: struct _HTError
48: {
49: HTErrorElement element; /* Index number into HTError */
50: HTSeverity severity; /* A la VMS */
51: BOOL ignore; /* YES if msg should not go to user */
52: void *par; /* Explanation, e.g. filename */
53: int length; /* For copying by generic routine */
54: char *where; /* Which function */
55: };
56:
57:
58: struct _HTHost
59: {
60: char *hostname; /* name of host + optional port */
61: time_t ntime; /* Creation time */
62: char *type; /* Peer type */
63: int version; /* Peer version */
64: HTMethod methods; /* Public methods (bit-flag) */
65: char *server; /* Server name */
66: char *user_agent; /* User Agent */
67: char *range_units; /* Acceptable range units */
68: HTTransportMode mode; /* Supported mode */
69: HTChannel *channel; /* Persistent channel */
70: HTList *pipeline; /* Pipe line of net objects */
71: HTList *pending; /* List of pending Net objects */
72: time_t expires; /* Persistent channel expires time */
73: };
1.4 cvs 74:
75: /* Type definitions and global variables etc. local to this module */
76:
1.17 cvs 77: /*----------------------------------------------------------------------*/
78:
1.4 cvs 79: /*** private variables ***/
1.17 cvs 80:
1.4 cvs 81: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 82: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.4 cvs 83: static HTList *encodings = NULL;
1.16 cvs 84: static int object_counter = 0; /* loaded objects counter */
1.24 cvs 85: static boolean AmayaIsAlive;
1.4 cvs 86:
1.15 cvs 87: #include "answer_f.h"
88: #include "query_f.h"
89: #include "AHTURLTools_f.h"
90: #include "AHTBridge_f.h"
91: #include "AHTMemConv_f.h"
92: #include "AHTFWrite_f.h"
1.4 cvs 93:
1.70 cvs 94: #ifdef _WINDOWS
95: #ifdef __STDC__
96: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
97: #else
98: int WIN_Activate_Request ();
99: #endif /* __STDC__ */
100: #endif /* _WINDOWS */
1.15 cvs 101:
102: /*----------------------------------------------------------------------
1.17 cvs 103: GetDocIdStatus
104: gets the status associated to a docid
1.15 cvs 105: ----------------------------------------------------------------------*/
106: #ifdef __STDC__
107: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
108: #else
109: AHTDocID_Status *GetDocIdStatus (docid, documents)
110: int docid;
111: HTList *documents;
112:
113: #endif
114: {
115: AHTDocId_Status *me;
116: HTList *cur;
117:
118: if (documents)
119: {
120: cur = documents;
121:
122: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
123: {
124: if (me->docid == docid)
125: return (me);
1.18 cvs 126: }
127: }
1.15 cvs 128: return (AHTDocId_Status *) NULL;
129:
130: }
131:
1.5 cvs 132: /*----------------------------------------------------------------------
1.27 cvs 133: AHTGuessAtom_for
134: Converts an Amaya type descriptor into the equivalent MIME type.
135: ----------------------------------------------------------------------*/
136: #ifdef __STDC__
137: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
138: #else
139: static HTAtom *AHTGuessAtom_for (urlName, contentType)
140: char *urlName;
141: PicType contentType;
142: #endif
143: {
144: HTAtom *atom;
145: char *filename;
146: HTEncoding enc;
147: HTEncoding cte;
148: HTLanguage lang;
1.50 cvs 149: double quality = 1.0;
1.27 cvs 150:
151: switch (contentType)
152: {
153: case xbm_type:
154: atom = HTAtom_for("image/xbm");
155: break;
156: case eps_type:
1.35 cvs 157: atom = HTAtom_for("application/postscript");
1.27 cvs 158: break;
159: case xpm_type:
160: atom = HTAtom_for("image/xpm");
161: break;
162: case gif_type:
163: atom = HTAtom_for("image/gif");
164: break;
165: case jpeg_type:
166: atom = HTAtom_for("image/jpeg");
167: break;
168: case png_type:
169: atom = HTAtom_for("image/png");
170: break;
171: case unknown_type:
172: default:
173: /*
174: ** Amaya could not detect the type, so
175: ** we try to use the filename's suffix to do so.
176: */
1.45 cvs 177: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 178: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 179: TtaFreeMemory (filename);
1.27 cvs 180: if (atom == WWW_UNKNOWN)
181: /*
182: ** we could not identify the suffix, so we assign it
183: ** a default type
184: */
185: atom = HTAtom_for ("text/html");
186: break;
187: }
188:
189: return atom;
190: }
191:
192: /*----------------------------------------------------------------------
1.17 cvs 193: AHTReqContext_new
194: create a new Amaya Context Object and update the global Amaya
195: request status.
1.5 cvs 196: ----------------------------------------------------------------------*/
1.4 cvs 197: #ifdef __STDC__
198: static AHTReqContext *AHTReqContext_new (int docid)
199: #else
200: static AHTReqContext *AHTReqContext_new (docid)
201: int docid;
202:
203: #endif
204: {
205: AHTReqContext *me;
206: AHTDocId_Status *docid_status;
207:
208: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
209: outofmem (__FILE__, "Context_new");
210:
1.81 cvs 211: /* Bind the Context object together with the Request Object */
212: me->request = HTRequest_new ();
213:
1.80 cvs 214: /* clean the associated file structure) */
1.79 cvs 215: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 216:
1.4 cvs 217: /* Initialize the other members of the structure */
1.17 cvs 218: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 219: me->output = NULL;
1.89 cvs 220: me->content_type = NULL;
1.51 cvs 221: # ifndef _WINDOWS
1.4 cvs 222: me->read_xtinput_id = (XtInputId) NULL;
223: me->write_xtinput_id = (XtInputId) NULL;
224: me->except_xtinput_id = (XtInputId) NULL;
1.51 cvs 225: # endif
1.4 cvs 226: me->docid = docid;
227: HTRequest_setMethod (me->request, METHOD_GET);
228: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
229: HTRequest_setContext (me->request, me);
230: me->read_ops = 0;
231: me->write_ops = 0;
232: me->except_ops = 0;
1.36 cvs 233: /* experimental */
234: me->read_sock = INVSOC;
235: me->write_sock = INVSOC;
236: me->except_sock = INVSOC;
1.4 cvs 237:
238: /* Update the global context */
239: HTList_appendObject (Amaya->reqlist, (void *) me);
240:
241: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
242:
1.7 cvs 243: if (docid_status == NULL)
244: {
245: docid_status = (AHTDocId_Status *) TtaGetMemory (sizeof (AHTDocId_Status));
246: docid_status->docid = docid;
247: docid_status->counter = 1;
248: HTList_addObject (Amaya->docid_status, (void *) docid_status);
249: }
250: else
1.4 cvs 251: docid_status->counter++;
252:
253:
254: Amaya->open_requests++;
255:
256: /* error stream handling */
257: me->error_stream = (char *) NULL;
258: me->error_stream_size = 0;
1.74 cvs 259:
260: #ifdef DEBUG_LIBWWW
261: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
262: #endif
1.4 cvs 263: return me;
1.74 cvs 264:
1.4 cvs 265: }
266:
1.5 cvs 267: /*----------------------------------------------------------------------
1.17 cvs 268: AHTReqContext_delete
269: Delete an Amaya Context Object and update the global Amaya request
270: status.
1.5 cvs 271: ----------------------------------------------------------------------*/
1.4 cvs 272:
273: #ifdef __STDC__
1.15 cvs 274: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 275: #else
1.15 cvs 276: boolean AHTReqContext_delete (me)
1.4 cvs 277: AHTReqContext *me;
278:
279: #endif
280: {
281: AHTDocId_Status *docid_status;
282:
1.7 cvs 283: if (me)
284: {
1.4 cvs 285:
1.74 cvs 286: #ifdef DEBUG_LIBWWW
287: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
288: #endif
289:
1.7 cvs 290: if (Amaya->reqlist)
291: HTList_removeObject (Amaya->reqlist, (void *) me);
1.4 cvs 292:
1.7 cvs 293: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
1.4 cvs 294:
1.7 cvs 295: if (docid_status)
296: {
297: docid_status->counter--;
298:
299: if (docid_status->counter == 0)
300: {
301: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
302: TtaFreeMemory ((void *) docid_status);
303: }
304: }
1.79 cvs 305:
306: if (HTRequest_outputStream (me->request))
307: AHTFWriter_FREE (me->request->output_stream);
1.91 cvs 308:
1.7 cvs 309: HTRequest_delete (me->request);
1.85 cvs 310:
1.89 cvs 311: if (me->output && me->output != stdout)
1.85 cvs 312: {
313: #ifdef DEBUG_LIBWWW
314: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
315: "FILE %p\n", me->urlName, me->output);
316: #endif
317: fclose (me->output);
318: me->output = NULL;
319: }
1.79 cvs 320:
1.7 cvs 321: if (me->error_stream != (char *) NULL)
1.70 cvs 322: HT_FREE (me->error_stream);
323: # ifndef _WINDOWS
324: # ifdef WWW_XWINDOWS
1.21 cvs 325: if (me->read_xtinput_id || me->write_xtinput_id ||
326: me->except_xtinput_id)
327: RequestKillAllXtevents(me);
1.70 cvs 328: # endif /* WWW_XWINDOWS */
329: # endif /* !_WINDOWS */
1.74 cvs 330:
331: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
332: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
333: or in PutObjectWWW */
334: {
1.79 cvs 335: if (me->urlName)
336: TtaFreeMemory (me->urlName);
337: if (me->outputfile)
338: TtaFreeMemory (me->outputfile);
1.74 cvs 339: }
340:
1.7 cvs 341: TtaFreeMemory ((void *) me);
1.4 cvs 342:
1.7 cvs 343: Amaya->open_requests--;
1.4 cvs 344:
1.15 cvs 345: return TRUE;
1.4 cvs 346:
1.7 cvs 347: }
1.15 cvs 348: return FALSE;
1.4 cvs 349: }
350:
351:
1.15 cvs 352: /*----------------------------------------------------------------------
353: AHTUpload_callback
1.17 cvs 354: callback handler for executing the PUT command
1.15 cvs 355: ----------------------------------------------------------------------*/
1.4 cvs 356: #ifdef __STDC__
357: static int AHTUpload_callback (HTRequest * request, HTStream * target)
358: #else
359: static int AHTUpload_callback (request, target)
360: HTRequest *request;
361: HTStream *target;
362:
363: #endif
364: {
365: AHTReqContext *me = HTRequest_context (request);
1.7 cvs 366: HTParentAnchor *entity = HTRequest_entityAnchor (request);
367: int len = HTAnchor_length (entity);
1.4 cvs 368: int status;
369:
370: /* Send the data down the pipe */
1.7 cvs 371:
1.4 cvs 372: status = (*target->isa->put_block) (target, me->mem_ptr, len);
373:
1.7 cvs 374: if (status == HT_LOADED || status == HT_OK)
375: {
1.13 cvs 376: if (PROT_TRACE)
377: HTTrace ("Posting Data Target is SAVED\n");
378: (*target->isa->flush) (target);
379: return (HT_LOADED);
1.7 cvs 380: }
381: if (status == HT_WOULD_BLOCK)
382: {
383: if (PROT_TRACE)
384: HTTrace ("Posting Data Target WOULD BLOCK\n");
1.74 cvs 385: #ifdef _WINDOWS
386: return HT_CONTINUE;
387: #else
388: return HT_WOULD_BLOCK;
389: #endif /* _WINDOWS */
390:
1.7 cvs 391: return HT_WOULD_BLOCK;
392: }
393: else if (status == HT_PAUSE)
394: {
395: if (PROT_TRACE)
396: HTTrace ("Posting Data Target PAUSED\n");
397: return HT_PAUSE;
398: }
399: else if (status > 0)
400: { /* Stream specific return code */
401: if (PROT_TRACE)
402: HTTrace ("Posting Data. Target returns %d\n", status);
403: return status;
404: }
405: else
406: { /* we have a real error */
407: if (PROT_TRACE)
408: HTTrace ("Posting Data Target ERROR %d\n", status);
409: return status;
410: }
1.4 cvs 411: }
412:
1.5 cvs 413: /*----------------------------------------------------------------------
1.17 cvs 414: Thread_deleteAll
415: this function deletes the whole list of active threads.
1.5 cvs 416: ----------------------------------------------------------------------*/
1.4 cvs 417: #ifdef __STDC__
418: static void Thread_deleteAll (void)
419: #else
420: static void Thread_deleteAll ()
421: #endif
422: {
1.21 cvs 423: HTList *cur;
424: AHTReqContext *me;
425: AHTDocId_Status *docid_status;
426:
1.74 cvs 427: if (Amaya && Amaya->reqlist)
428: {
429: if (Amaya->open_requests > 0)
430: #ifdef DEBUG_LIBWWW
431: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
432: "requests\n", Amaya->open_requests);
433: #endif
434: {
435: cur = Amaya->reqlist;
436:
437: /* erase the requests */
438: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
439: {
440: if (me->request)
441: {
1.70 cvs 442: # ifndef _WINDOWS
1.74 cvs 443: RequestKillAllXtevents (me);
1.70 cvs 444: # endif /* !_WINDOWS */
1.92 cvs 445:
446: if (me->request->net)
447: HTRequest_kill (me->request);
1.96 cvs 448: #ifndef _WINDOWS
449: AHTReqContext_delete (me);
450: #endif /* _WINDOWS */
1.74 cvs 451: }
452: } /* while */
453:
454: /* erase the docid_status entities */
455: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
456: TtaFreeMemory ((void *) docid_status);
457:
458: } /* if */
1.84 cvs 459:
1.74 cvs 460: }
1.4 cvs 461: }
462:
1.5 cvs 463: /*----------------------------------------------------------------------
1.83 cvs 464: AHTOpen_file
465: ----------------------------------------------------------------------*/
466: #ifdef __STDC__
1.85 cvs 467: int AHTOpen_file (HTRequest * request)
1.83 cvs 468: #else
1.85 cvs 469: int AHTOpen_file (request)
1.83 cvs 470: HTRequest *request;
471:
472: #endif /* __STDC__ */
473: {
474: AHTReqContext *me; /* current request */
475:
476: me = HTRequest_context (request);
477:
1.93 cvs 478:
479: if (!me)
480: return HT_ERROR;
481:
1.83 cvs 482: #ifdef DEBUG_LIBWWW
1.85 cvs 483: fprintf(stderr, "AHTOpen_file: start\n");
484: #endif /* DEBUG_LIBWWW */
485:
486: if (me->reqStatus == HT_ABORT)
487: {
488: #ifdef DEBUG_LIBWWW
489: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 490: #endif /* DEBUG_LIBWWW */
491:
1.85 cvs 492: return HT_OK;
493: }
494:
495: if (HTRequest_outputStream (me->request))
496: {
497:
498: #ifdef DEBUG_LIBWWW
499: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
500: #endif /* DEBUG_LIBWWW */
501: return HT_OK;
502: }
503:
504: #ifdef DEBUG_LIBWWW
505: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
506: #endif /* DEBUG_LIBWWW */
507:
1.83 cvs 508: if (!(me->output) &&
509: (me->output != stdout) &&
510: #ifndef _WINDOWS
511: (me->output = fopen (me->outputfile, "w")) == NULL)
512: {
513: #else
514: (me->output = fopen (me->outputfile, "wb")) == NULL)
515: {
516: #endif /* !_WINDOWS */
517:
518: me->outputfile[0] = '\0'; /* file could not be opened */
1.85 cvs 519: #ifdef DEBUG_LIBWWW
520: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
521: #endif
1.83 cvs 522: TtaSetStatus (me->docid, 1,
523: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
524: me->outputfile);
525: me->reqStatus = HT_ERR;
526: return (HT_ERROR);
527: }
528:
529: HTRequest_setOutputStream (me->request,
530: AHTFWriter_new (me->request,
531: me->output, YES));
532: me->reqStatus = HT_WAITING;
533:
534: return HT_OK;
535: }
536:
537: /*----------------------------------------------------------------------
1.17 cvs 538: redirection_handler
539: this function is registered to handle permanent and temporary
540: redirections.
541: ----------------------------------------------------------------------*/
1.4 cvs 542: #ifdef __STDC__
1.7 cvs 543: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 544: #else
545: static int redirection_handler (request, context, status)
546: HTRequest *request;
547: HTResponse *response;
548: void *param;
549: int status;
550:
551: #endif
552: {
553:
554: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 555: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 556: HTMethod method = HTRequest_method (request);
1.98 ! cvs 557: char *ref;
! 558: char *tmp;
1.4 cvs 559:
1.7 cvs 560: if (!new_anchor)
561: {
562: if (PROT_TRACE)
563: HTTrace ("Redirection. No destination\n");
564: return HT_OK;
565: }
1.4 cvs 566:
567: /*
568: ** Only do redirect on GET and HEAD
569: */
1.7 cvs 570: if (!HTMethod_isSafe (method))
571: {
572: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
573: if (prompt)
574: {
575: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
576: NULL, NULL, NULL) != YES)
577: return HT_ERROR;
578: }
579: }
1.4 cvs 580:
581: /*
582: ** Start new request with the redirect anchor found in the headers.
583: ** Note that we reuse the same request object which means that we must
584: ** keep this around until the redirected request has terminated. It also
585: ** allows us in an easy way to keep track of the number of redirections
586: ** so that we can detect endless loops.
587: */
1.17 cvs 588:
1.7 cvs 589: if (HTRequest_doRetry (request))
590: {
591: /* do we need to normalize the URL? */
592: if (strncmp (new_anchor->parent->address, "http:", 5))
593: {
594: /* Yes, so we use the pre-redirection anchor as a base name */
1.74 cvs 595: ref = AmayaParseUrl (new_anchor->parent->address,
596: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 597: if (ref)
598: {
1.98 ! cvs 599: HT_FREE (new_anchor->parent->address);
! 600: tmp = NULL;
! 601: HTSACopy (&tmp, ref);
! 602: new_anchor->parent->address = tmp;
! 603: TtaFreeMemory (ref);
1.7 cvs 604: }
1.98 ! cvs 605: else
! 606: return HT_ERROR; /* We can't redirect anymore */
1.7 cvs 607: }
608:
609: /* update the current file name */
1.21 cvs 610: if (strlen (new_anchor->parent->address) > (MAX_LENGTH - 2))
1.7 cvs 611: {
1.74 cvs 612: strncpy (me->urlName, new_anchor->parent->address,
613: MAX_LENGTH - 1);
1.21 cvs 614: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 615: }
616: else
1.74 cvs 617: strcpy (me->urlName, new_anchor->parent->address);
1.7 cvs 618:
1.38 cvs 619: ChopURL (me->status_urlName, me->urlName);
620:
1.7 cvs 621: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
1.38 cvs 622: me->status_urlName);
1.7 cvs 623:
624: /* Start request with new credentials */
1.64 cvs 625:
1.79 cvs 626: if (HTRequest_outputStream (me->request) != NULL) {
1.85 cvs 627: AHTFWriter_FREE (request->output_stream);
628: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 629: #ifdef DEBUG_LIBWWW
1.79 cvs 630: fprintf (stderr, "redirection_handler: New URL is %s, closing "
1.74 cvs 631: "FILE %p\n", me->urlName, me->output);
632: #endif
1.79 cvs 633: fclose (me->output);
634: me->output = NULL;
635: }
1.64 cvs 636: }
1.68 cvs 637:
1.69 cvs 638: me->reqStatus = HT_NEW; /* reset the status */
1.7 cvs 639: if (me->method == METHOD_PUT || me->method == METHOD_POST) /* PUT, POST etc. */
1.74 cvs 640: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 641: else
1.74 cvs 642: HTLoadAnchor (new_anchor, request);
1.7 cvs 643: }
644: else
1.68 cvs 645: {
1.74 cvs 646: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
647: NULL, 0, "HTRedirectFilter");
648: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
649: NULL);
650: if (me->error_html)
651: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
652: /* so that we can show the error message */
1.68 cvs 653: }
654:
1.4 cvs 655: /*
1.74 cvs 656: ** By returning HT_ERROR we make sure that this is the last handler to be
657: ** called. We do this as we don't want any other filter to delete the
658: ** request object now when we have just started a new one ourselves
659: */
1.4 cvs 660: return HT_ERROR;
661: }
662:
1.5 cvs 663: /*----------------------------------------------------------------------
1.17 cvs 664: terminate_handler
665: this function is registered to handle the result of the request
1.5 cvs 666: ----------------------------------------------------------------------*/
1.4 cvs 667: #if __STDC__
1.7 cvs 668: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 669: #else
670: static int terminate_handler (request, response, context, status)
671: HTRequest *request;
672: HTResponse *response;
673: void *context;
674: int status;
675: #endif
676: {
677: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.13 cvs 678: boolean error_flag;
1.4 cvs 679:
680: if (!me)
1.74 cvs 681: return HT_OK; /* not an Amaya request */
682:
1.80 cvs 683: /* if Amaya was killed, treat with this request as if it were
684: issued by a Stop button event */
685: if (!AmayaIsAlive)
686: me->reqStatus = HT_ABORT;
1.74 cvs 687:
1.77 cvs 688: if (status == HT_LOADED ||
689: status == HT_CREATED ||
1.79 cvs 690: status == HT_NO_DATA ||
691: me->reqStatus == HT_ABORT)
1.74 cvs 692: error_flag = FALSE;
1.13 cvs 693: else
1.74 cvs 694: error_flag = TRUE;
695:
1.4 cvs 696: /* output any errors from the server */
1.74 cvs 697:
1.77 cvs 698: /*
1.74 cvs 699: ** me->output = output file which will receive an html file
700: ** me->error_html = yes, output HTML errors in the screen
701: ** request->error_stack == if there are any errors, they will be here
702: ** me->error_stream_size If it's != 0 means an error message has already
703: ** been written to the stack
704: */
705:
1.4 cvs 706: /* First, we verify if there are any errors and if they are not
1.17 cvs 707: ** yet written to the error stack. If no, then let's try to write them
708: ** ourselves
709: */
1.74 cvs 710:
711: #ifdef DEBUG_LIBWWW
712: fprintf (stderr, "terminate_handler: URL is "
713: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
714: status);
1.69 cvs 715: #endif
1.74 cvs 716:
1.69 cvs 717: if (me->output && me->output != stdout)
718: {
1.74 cvs 719: /* we are writing to a file */
720: if (me->reqStatus != HT_ABORT)
721: { /* if the request was not aborted and */
1.80 cvs 722: if (error_flag &&
723: me->error_html == TRUE)
724: /* there were some errors and we want to print them */
725: {
726: if (me->error_stream_size == 0)/* and the stream is empty */
727: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 728: **the error stack
1.77 cvs 729: ** into the error stream */
1.80 cvs 730: if (me->error_stream)
731: { /* if the stream is non-empty */
732: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 733: /* Clear the error context, so that we can deal with
734: this answer as if it were a normal reply */
735: HTError_deleteAll( HTRequest_error (request));
736: HTRequest_setError (request, NULL);
737: error_flag = 0;
1.74 cvs 738: }
739: } /* if error_stack */
1.85 cvs 740: }
741:
742: /* if != HT_ABORT */
743:
744: #ifdef DEBUG_LIBWWW
745: fprintf (stderr, "terminate_handler: URL is %s, closing "
746: "FILE %p\n", me->urlName, me->output);
747: #endif
1.74 cvs 748: fclose (me->output);
749: me->output = NULL;
1.69 cvs 750: }
1.80 cvs 751:
1.74 cvs 752:
1.80 cvs 753: if (error_flag)
754: me->reqStatus = HT_ERR;
755: else if (me->reqStatus != HT_ABORT)
756: me->reqStatus = HT_END;
757:
1.88 cvs 758: /* copy the content_type */
759:
760: {
761: char *content_type = request->anchor->content_type->name;
762:
763: if (content_type && content_type [0] && me->content_type)
764: {
765: /* libwww gives www/unknown when it gets an error. As this is
766: an HTML test, we force the type to text/html */
767: if (!strcmp (content_type, "www/unknown"))
768: {
769: strcpy (me->content_type, "text/html");
770: }
771: else
772: {
773: strncpy (me->content_type, content_type,
774: NAME_LENGTH -1);
775: me->content_type [NAME_LENGTH-1] = '\0';
776:
777: /* Content-Type can be specified by a server's admin. To be on
778: the safe side, we normalize its case */
779: ConvertToLowerCase (me->content_type);
780: }
781: #ifdef DEBUG_LIBWWW
782: fprintf (stderr, "content type is: %s\n", me->content_type);
783: #endif /* DEBUG_LIBWWW */
784: }
785: }
786:
1.80 cvs 787: /* don't remove or Xt will hang up during the PUT */
788:
1.28 cvs 789: if (AmayaIsAlive && ((me->method == METHOD_POST) ||
790: (me->method == METHOD_PUT)))
1.7 cvs 791: {
1.80 cvs 792: PrintTerminateStatus (me, status);
793:
794: }
795:
1.72 cvs 796: #ifdef _WINDOWS
1.80 cvs 797: /* Try to add this to AHTEventrg.c */
1.91 cvs 798: ProcessTerminateRequest (me);
1.92 cvs 799: /* kill the windows request here, of course */
1.80 cvs 800: #endif /* WINDOWS */
1.71 cvs 801:
802: return HT_OK;
1.4 cvs 803: }
804:
1.5 cvs 805: /*----------------------------------------------------------------------
1.17 cvs 806: AHTLoadTerminate_handler
1.74 cvs 807: this is an application "AFTER" Callback. It's called by the library
808: when a request has ended, so that we can setup the correct status.
1.5 cvs 809: ----------------------------------------------------------------------*/
1.4 cvs 810:
811: #ifdef __STDC__
1.7 cvs 812: static int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 813: #else
814: static int AHTLoadTerminate_handler (request, response, param, status)
815: HTRequest *request;
816: HTResponse *response;
817: void *param;
818: int status;
1.69 cvs 819:
1.4 cvs 820: #endif
821: {
822: AHTReqContext *me = HTRequest_context (request);
823: HTAlertCallback *cbf;
824: AHTDocId_Status *docid_status;
825:
1.7 cvs 826: switch (status)
827: {
828: case HT_LOADED:
829: if (PROT_TRACE)
830: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1.38 cvs 831: me->status_urlName);
1.4 cvs 832:
1.7 cvs 833: docid_status = GetDocIdStatus (me->docid,
834: Amaya->docid_status);
835:
836: if (docid_status != NULL && docid_status->counter > 1)
1.74 cvs 837: TtaSetStatus (me->docid, 1,
838: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
839: me->status_urlName);
1.7 cvs 840: break;
841:
842: case HT_NO_DATA:
843: if (PROT_TRACE)
1.74 cvs 844: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
845: me->status_urlName);
846: TtaSetStatus (me->docid, 1,
847: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.38 cvs 848: me->status_urlName);
1.7 cvs 849: break;
850:
851: case HT_INTERRUPTED:
852: if (PROT_TRACE)
1.74 cvs 853: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
854: me->status_urlName);
855: TtaSetStatus (me->docid, 1,
856: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
857: NULL);
1.7 cvs 858: break;
859:
860: case HT_RETRY:
861: if (PROT_TRACE)
862: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
863: HTResponse_retryTime (response));
1.74 cvs 864: TtaSetStatus (me->docid, 1,
865: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.38 cvs 866: me->status_urlName);
1.7 cvs 867: break;
868:
869: case HT_ERROR:
870:
871: cbf = HTAlert_find (HT_A_MESSAGE);
872: if (cbf)
873: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
874: HTRequest_error (request), NULL);
875: break;
876:
877: if (PROT_TRACE)
878: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1.74 cvs 879: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
880: TtaSetStatus (me->docid, 1,
881: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1.38 cvs 882: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1.7 cvs 883: break;
884: default:
885: if (PROT_TRACE)
886: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
887: break;
888: }
889:
1.4 cvs 890: return HT_OK;
891: }
892:
1.27 cvs 893: /*----------------------------------------------------------------------
894: AHTAcceptTypesInit
1.74 cvs 895: This function prepares the Accept header used by Amaya during
896: the HTTP content negotiation phase
1.27 cvs 897: ----------------------------------------------------------------------*/
898: #ifdef __STDC__
899: static void AHTAcceptTypesInit (HTList *c)
900: #else /* __STDC__ */
901: static void AHTAcceptTypesInit (c)
902: HTList *c;
903: #endif /* __STDC__ */
904: {
905: if (c == (HTList *) NULL)
906: return;
907:
908: /* define here all the mime types that Amaya can accept */
909:
1.74 cvs 910: HTConversion_add (c, "image/png", "www/present",
911: HTThroughLine, 1.0, 0.0, 0.0);
912: HTConversion_add (c, "image/jpeg", "www/present",
913: HTThroughLine, 1.0, 0.0, 0.0);
914: HTConversion_add (c, "image/gif", "www/present",
915: HTThroughLine, 1.0, 0.0, 0.0);
916: HTConversion_add (c, "image/xbm", "www/present",
917: HTThroughLine, 1.0, 0.0, 0.0);
918: HTConversion_add (c, "image/xpm", "www/present",
919: HTThroughLine, 1.0, 0.0, 0.0);
920: HTConversion_add (c, "application/postscript",
921: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 922:
1.27 cvs 923: /* Define here the equivalences between MIME types and file extensions for
924: the types that Amaya can display */
925:
926: /* Register the default set of file suffix bindings */
927: HTFileInit ();
928:
929: /* Don't do any case distinction */
930: HTBind_caseSensitive (FALSE);
931: }
1.4 cvs 932:
1.5 cvs 933: /*----------------------------------------------------------------------
1.17 cvs 934: AHTConverterInit
935: Bindings between a source media type and a destination media type
936: (conversion).
1.5 cvs 937: ----------------------------------------------------------------------*/
1.15 cvs 938: #ifdef __STDC__
939: static void AHTConverterInit (HTList *c)
940: #else /* __STDC__ */
941: static void AHTConverterInit (c)
942: HTList *c;
943: #endif /* __STDC__ */
1.4 cvs 944: {
945:
946: /* Handler for custom http error messages */
1.7 cvs 947: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 948:
949: /*
950: ** These are converters that converts to something other than www/present,
951: ** that is not directly outputting someting to the user on the screen
952: */
953:
954: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
955: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
956: 1.0, 0.0, 0.0);
957: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
958: 1.0, 0.0, 0.0);
959: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
960: 1.0, 0.0, 0.0);
961: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
962: 1.0, 0.0, 0.0);
963:
964:
965: /*
966: ** The following conversions are converting ASCII output from various
967: ** protocols to HTML objects.
968: */
969: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
970: 1.0, 0.0, 0.0);
971: HTConversion_add (c, "text/x-nntp-list", "*/*", HTNewsList,
972: 1.0, 0.0, 0.0);
973: HTConversion_add (c, "text/x-nntp-over", "*/*", HTNewsGroup,
974: 1.0, 0.0, 0.0);
975:
976:
977: /*
978: ** We also register a special content type guess stream that can figure out
979: ** the content type by reading the first bytes of the stream
980: */
981: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
982: 1.0, 0.0, 0.0);
983:
984: /*
985: ** Register a persistent cache stream which can save an object to local
986: ** file
987: */
988: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
989: 1.0, 0.0, 0.0);
990:
991: /*
992: ** This dumps all other formats to local disk without any further
993: ** action taken
994: */
995: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
996: 0.3, 0.0, 0.0);
997:
998: }
999:
1.27 cvs 1000:
1.15 cvs 1001: /*----------------------------------------------------------------------
1.17 cvs 1002: AHTProtocolInit
1003: Registers all amaya supported protocols.
1.15 cvs 1004: ----------------------------------------------------------------------*/
1.4 cvs 1005: static void AHTProtocolInit (void)
1006: {
1007:
1.17 cvs 1008: /*
1.74 cvs 1009: NB. Preemptive == YES means Blocking requests
1010: Non-preemptive == NO means Non-blocking requests
1.17 cvs 1011: */
1.4 cvs 1012:
1.63 cvs 1013: HTProtocol_add ("http", "buffered_tcp", NO, HTLoadHTTP, NULL);
1.4 cvs 1014: /* HTProtocol_add ("http", "tcp", NO, HTLoadHTTP, NULL); */
1015: HTProtocol_add ("file", "local", NO, HTLoadFile, NULL);
1016: HTProtocol_add ("cache", "local", NO, HTLoadCache, NULL);
1.36 cvs 1017: HTProtocol_add ("ftp", "tcp", NO, HTLoadFTP, NULL);
1.17 cvs 1018: #if 0 /* experimental code */
1.4 cvs 1019: HTProtocol_add ("telnet", "", YES, HTLoadTelnet, NULL);
1020: HTProtocol_add ("tn3270", "", YES, HTLoadTelnet, NULL);
1021: HTProtocol_add ("rlogin", "", YES, HTLoadTelnet, NULL);
1022: HTProtocol_add ("nntp", "tcp", NO, HTLoadNews, NULL);
1023: HTProtocol_add ("news", "tcp", NO, HTLoadNews, NULL);
1.17 cvs 1024: #endif
1.4 cvs 1025: }
1026:
1.15 cvs 1027: /*----------------------------------------------------------------------
1.17 cvs 1028: AHTNetInit
1029: Reegisters "before" and "after" request filters.
1.15 cvs 1030: ----------------------------------------------------------------------*/
1.4 cvs 1031: static void AHTNetInit (void)
1032: {
1033:
1034: /* Register BEFORE filters
1.74 cvs 1035: ** The BEFORE filters handle proxies, caches, rule files etc.
1036: ** The filters are called in the order by which the are registered
1037: ** Not done automaticly - may be done by application!
1038: */
1039:
1.4 cvs 1040:
1.74 cvs 1041: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, 6);
1042: HTNet_addBefore (HTProxyFilter, NULL, NULL, 10);
1.85 cvs 1043: /* HTNet_addBefore (AHTOpen_file, NULL, NULL, 11); */
1044: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1045:
1046: /* register AFTER filters
1.74 cvs 1047: ** The AFTER filters handle error messages, logging, redirection,
1048: ** authentication etc.
1049: ** The filters are called in the order by which the are registered
1050: ** Not done automaticly - may be done by application!
1051: */
1.4 cvs 1052:
1.82 cvs 1053: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1054: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1055: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1056: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.51 cvs 1057: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1058: /* handles all errors */
1.7 cvs 1059: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1060: }
1061:
1.15 cvs 1062: /*----------------------------------------------------------------------
1.17 cvs 1063: AHTAlertInit
1064: Register alert messages and their callbacks.
1.15 cvs 1065: ----------------------------------------------------------------------*/
1066: #ifdef __STDC__
1067: static void AHTAlertInit (void)
1068: #else
1069: static void AHTAlertInit ()
1070: #endif
1071: {
1072: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.70 cvs 1073: # ifndef _WINDOWS
1.83 cvs 1074: /* HTAlert_add ((HTAlertCallback *) Add_NewSocket_to_Loop, HT_PROG_CONNECT); */
1.70 cvs 1075: # else /* _WINDOWS */
1076: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1077: # endif /* _WINDOWS */
1.15 cvs 1078: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1079: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1080: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1081: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1082: HTAlert_add (AHTPromptPassword, HT_A_SECRET);
1083: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1084: }
1085:
1086: /*----------------------------------------------------------------------
1.97 cvs 1087: ProxyInit
1088: Reads any proxies settings which may be declared as environmental
1089: variables or in the thot.ini file. The former overrides the latter.
1090: ----------------------------------------------------------------------*/
1091: static void ProxyInit (void)
1092: {
1093: char *strptr;
1094: char *str = NULL;
1095: char *name;
1096:
1097: /* get the proxy settings from the thot.ini file */
1098: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1099: if (strptr && *strptr)
1100: HTProxy_add ("http", strptr);
1101: /* get the no_proxy settings from the thot.ini file */
1102: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1103: if (strptr && *strptr)
1104: {
1105: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1106: strptr = str;
1107: while ((name = HTNextField (&strptr)) != NULL) {
1108: char *portstr = strchr (name, ':');
1109: unsigned port=0;
1110: if (portstr) {
1111: *portstr++ = '\0';
1112: if (*portstr) port = (unsigned) atoi(portstr);
1113: }
1114: /* Register it for all access methods */
1115: HTNoProxy_add (name, NULL, port);
1116: }
1117: TtaFreeMemory (str);
1118: }
1119:
1120: /* use libw3's routine to get all proxy settings from the environment */
1121: HTProxy_getEnvVar ();
1122:
1123: }
1124:
1125:
1126: /*----------------------------------------------------------------------
1.17 cvs 1127: AHTProfile_newAmaya
1128: creates the Amaya client profile for libwww.
1.15 cvs 1129: ----------------------------------------------------------------------*/
1130: #ifdef __STDC__
1131: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1132: #else /* __STDC__ */
1133: static void AHTProfile_newAmaya (AppName, AppVersion)
1134: char *AppName;
1135: char *AppVersion;
1136: #endif /* __STDC__ */
1.4 cvs 1137: {
1138: /* If the Library is not already initialized then do it */
1139: if (!HTLib_isInitialized ())
1140: HTLibInit (AppName, AppVersion);
1141:
1142: if (!converters)
1143: converters = HTList_new ();
1.27 cvs 1144: if (!acceptTypes)
1145: acceptTypes = HTList_new ();
1.4 cvs 1146: if (!encodings)
1147: encodings = HTList_new ();
1148:
1149: /* Register the default set of transport protocols */
1150: HTTransportInit ();
1151:
1152: /* Register the default set of application protocol modules */
1153: AHTProtocolInit ();
1154:
1155: /* Enable the persistent cache */
1156: /* HTCacheInit (NULL, 20); */
1157:
1158: /* Register the default set of BEFORE and AFTER filters */
1159: AHTNetInit ();
1160:
1161: /* Set up the default set of Authentication schemes */
1162: HTAAInit ();
1163:
1.97 cvs 1164: /* Get any proxy settings */
1165: ProxyInit ();
1.4 cvs 1166:
1167: /* Register the default set of converters */
1168: AHTConverterInit (converters);
1.27 cvs 1169: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1170: HTFormat_setConversion (converters);
1171:
1172: /* Register the default set of transfer encoders and decoders */
1173: HTEncoderInit (encodings); /* chunks ??? */
1174: HTFormat_setTransferCoding (encodings);
1175:
1176: /* Register the default set of MIME header parsers */
1.74 cvs 1177: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1178:
1179: /* Register the default set of Icons for directory listings */
1.27 cvs 1180: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1181:
1182: /* Register the default set of messages and dialog functions */
1183: AHTAlertInit ();
1184: HTAlert_setInteractive (YES);
1185: }
1186:
1.5 cvs 1187: /*----------------------------------------------------------------------
1.17 cvs 1188: AHTProfile_delete
1189: deletes the Amaya client profile.
1.5 cvs 1190: ----------------------------------------------------------------------*/
1.4 cvs 1191: #ifdef __STDC__
1192: static void AHTProfile_delete (void)
1193: #else
1194: static void AHTProfile_delete ()
1.7 cvs 1195: #endif /* __STDC__ */
1.4 cvs 1196: {
1.22 cvs 1197:
1198: /* free the Amaya global context */
1.74 cvs 1199: if (!converters)
1200: HTConversion_deleteAll (converters);
1201: if (!acceptTypes)
1202: HTConversion_deleteAll (acceptTypes);
1203: if (!encodings)
1204: HTCoding_deleteAll (encodings);
1205:
1206: HTList_delete (Amaya->docid_status);
1207: HTList_delete (Amaya->reqlist);
1208: TtaFreeMemory (Amaya);
1209: {
1.61 cvs 1210:
1.74 cvs 1211: if (HTLib_isInitialized ())
1212:
1.61 cvs 1213: # ifdef _WINDOWS
1214: HTEventTerminate ();
1215: # endif _WINDOWS;
1.74 cvs 1216:
1217: /* Clean up the persistent cache (if any) */
1218: HTCacheTerminate ();
1219:
1220: /* Clean up all the global preferences */
1221: HTFormat_deleteAll ();
1222:
1223: /* Terminate libwww */
1224: HTLibTerminate ();
1225: }
1.4 cvs 1226: }
1227:
1.5 cvs 1228: /*----------------------------------------------------------------------
1.17 cvs 1229: QueryInit
1230: initializes the libwww interface
1.5 cvs 1231: ----------------------------------------------------------------------*/
1.4 cvs 1232: #ifdef __STDC__
1233: void QueryInit ()
1234: #else
1235: void QueryInit ()
1236: #endif
1237: {
1238:
1.24 cvs 1239: AmayaIsAlive = TRUE;
1.4 cvs 1240: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1241:
1.69 cvs 1242: /* New AHTBridge stuff */
1.4 cvs 1243:
1.54 cvs 1244: # ifdef _WINDOWS
1.75 cvs 1245: AHTEventInit ();
1.54 cvs 1246: # endif _WINDOWS;
1.72 cvs 1247:
1.70 cvs 1248: HTEvent_setRegisterCallback (AHTEvent_register);
1.78 cvs 1249: /*** a effacer ***/
1250: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1251: /*** ***/
1.4 cvs 1252:
1.72 cvs 1253: # ifndef _WINDOWS
1254: HTEvent_setUnregisterCallback (AHTEvent_unregister);
1255: # endif /* _WINDOWS */
1256:
1.74 cvs 1257: #ifdef DEBUG_LIBWWW
1258: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | PROT_TRACE;
1259: #endif
1.4 cvs 1260:
1261: /* Trace activation (for debugging) */
1.7 cvs 1262: /*
1.4 cvs 1263: WWW_TraceFlag = SHOW_APP_TRACE | SHOW_UTIL_TRACE |
1264: SHOW_BIND_TRACE | SHOW_THREAD_TRACE |
1265: SHOW_STREAM_TRACE | SHOW_PROTOCOL_TRACE |
1266: SHOW_URI_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1267: SHOW_CORE_TRACE;
1268:
1.7 cvs 1269: */
1.4 cvs 1270:
1271: /***
1272: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_AUTH_TRACE | SHOW_ANCHOR_TRACE |
1273: SHOW_PROTOCOL_TRACE| SHOW_APP_TRACE | SHOW_UTIL_TRACE;
1274: ***/
1275:
1276: /* Setting up other user interfaces */
1277:
1278: /* Setting up different network parameters */
1.17 cvs 1279: /* Maximum number of simultaneous open sockets */
1.4 cvs 1280: HTNet_setMaxSocket (8);
1.75 cvs 1281: /* different network services timeouts */
1.4 cvs 1282: HTDNS_setTimeout (3600);
1.75 cvs 1283: #ifdef _WINDOWS
1284: /* under windows, the libwww persistent socket handling has
1285: ** some bugs. The following line inhibits idle socket reusal.
1286: ** this is a bit slower, but avoids crashes and gives us time
1287: ** to distribute Amaya before having to patch up libwww.
1288: */
1.76 cvs 1289: HTHost_setPersistTimeout (-1L);
1.75 cvs 1290: #else
1.76 cvs 1291: HTHost_setPersistTimeout (60L);
1.75 cvs 1292: #endif /* _WINDOWS */
1293:
1.17 cvs 1294: /* Cache is disabled in this version */
1.4 cvs 1295: HTCacheMode_setEnabled (0);
1296:
1297: /* Initialization of the global context */
1298: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1299: Amaya->reqlist = HTList_new ();
1300: Amaya->docid_status = HTList_new ();
1301: Amaya->open_requests = 0;
1.74 cvs 1302:
1.4 cvs 1303: #ifdef CATCH_SIG
1.18 cvs 1304: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1305: #endif
1.94 cvs 1306:
1307: #if !defined(AMAYA_JAVA) && !defined(AMAYA_ILU) && defined (_WINDOWS)
1308: /* forces libwww to do sync request if true and if in MakeBook mode */
1309: WinMakeBookFlag = FALSE;
1310: #endif /* _WINDOWS */
1.15 cvs 1311: }
1312:
1.69 cvs 1313: #ifndef _WINDOWS
1.15 cvs 1314: /*----------------------------------------------------------------------
1.17 cvs 1315: LoopForStop
1316: a copy of the Thop event loop so we can handle the stop button.
1.69 cvs 1317: Not useful for windows code (Ramzi).
1.15 cvs 1318: ----------------------------------------------------------------------*/
1319: #ifdef __STDC__
1320: static int LoopForStop (AHTReqContext * me)
1321: #else
1322: static int LoopForStop (AHTReqContext * me)
1323: #endif
1324: {
1325:
1.25 cvs 1326: extern ThotAppContext app_cont;
1.51 cvs 1327: XEvent ev;
1328: XtInputMask status;
1.17 cvs 1329: int status_req = HT_OK;
1.15 cvs 1330:
1331: /* to test the async calls */
1.17 cvs 1332: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 1333: while (me->reqStatus != HT_ABORT &&
1334: me->reqStatus != HT_END &&
1.69 cvs 1335: me->reqStatus != HT_ERR) {
1336: if (!AmayaIsAlive)
1337: /* Amaya was killed by one of the callback handlers */
1338: exit (0);
1339:
1340: status = XtAppPending (app_cont);
1341: if (status & XtIMXEvent) {
1342: XtAppNextEvent (app_cont, &ev);
1343: TtaHandleOneEvent (&ev);
1344: } else if (status & (XtIMAll & (~XtIMXEvent))) {
1345: XtAppProcessEvent (app_cont, (XtIMAll & (~XtIMXEvent)));
1346: } else {
1347: XtAppNextEvent (app_cont, &ev);
1348: TtaHandleOneEvent (&ev);
1349: }
1350: }
1.4 cvs 1351:
1.69 cvs 1352: switch (me->reqStatus) {
1353: case HT_ERR:
1354: case HT_ABORT:
1.15 cvs 1355: status_req = HT_ERROR;
1356: break;
1357:
1.69 cvs 1358: case HT_END:
1.15 cvs 1359: status_req = HT_OK;
1360: break;
1361:
1.69 cvs 1362: default:
1.15 cvs 1363: break;
1.69 cvs 1364: }
1.15 cvs 1365: return (status_req);
1.4 cvs 1366: }
1.69 cvs 1367: #endif /* _WINDOWS */
1.4 cvs 1368:
1.5 cvs 1369: /*----------------------------------------------------------------------
1.15 cvs 1370: QueryClose
1.21 cvs 1371: closes all existing threads, frees all non-automatically deallocated
1372: memory and then ends libwww.
1.5 cvs 1373: ----------------------------------------------------------------------*/
1.4 cvs 1374: void QueryClose ()
1375: {
1.24 cvs 1376:
1377: AmayaIsAlive = FALSE;
1378:
1.21 cvs 1379: /* remove all the handlers and callbacks that may output a message to
1380: a non-existent Amaya window */
1381:
1382: HTNet_deleteAfter (AHTLoadTerminate_handler);
1383: HTNet_deleteAfter (redirection_handler);
1384: HTAlertCall_deleteAll (HTAlert_global () );
1.23 cvs 1385: HTAlert_setGlobal ((HTList *) NULL);
1.24 cvs 1386: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
1.27 cvs 1387: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
1.87 cvs 1388: HTHost_setActivateRequestCallback (NULL);
1.4 cvs 1389: Thread_deleteAll ();
1.21 cvs 1390:
1.4 cvs 1391: HTProxy_deleteAll ();
1392: HTNoProxy_deleteAll ();
1393: HTGateway_deleteAll ();
1394: AHTProfile_delete ();
1395: }
1396:
1.5 cvs 1397: /*----------------------------------------------------------------------
1.15 cvs 1398: GetObjectWWW
1.17 cvs 1399: this function requests a resource designated by a URLname into a
1400: temporary filename. The download can come from a simple GET operation,
1401: or can come from POSTING/GETTING a form. In the latter
1402: case, the function receives a query string to send to the server.
1403:
1.5 cvs 1404: 4 file retrieval modes are proposed:
1405: AMAYA_SYNC : blocking mode
1406: AMAYA_ISYNC : incremental, blocking mode
1407: AMAYA_ASYNC : non-blocking mode
1408: AMAYA_IASYNC : incremental, non-blocking mode
1409:
1410: In the incremental mode, each time a package arrives, it will be
1411: stored in the temporary file. In addition, if an
1412: incremental_callback function is defined, this function will be
1413: called and handled a copy of the newly received data package.
1414: Finally, if a terminate_callback function is defined, it will be
1415: invoked when the request terminates. The caller of this function
1.4 cvs 1416: can define two different contexts to be passed to the callback
1417: functions.
1418:
1419: When the function is called with the SYNC mode, the function will
1420: return only when the requested file has been loaded.
1421: The ASYNC mode will immediately return after setting up the
1422: call.
1423:
1424: Notes:
1425: At the end of a succesful request, the urlName string contains the
1426: name of the actually retrieved URL. As a URL can change over the time,
1427: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 1428: caller verify the value of the urlName variable at the end of
1.4 cvs 1429: a request.
1430:
1431: Inputs:
1432: - docid Document identifier for the set of objects being
1433: retrieved.
1434: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
1435: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
1436: - mode The retrieval mode.
1437: - incremental_cbf
1438: - context_icbf
1439: Callback and context for the incremental modes
1440: - terminate_cbf
1441: - context_icbf
1442: Callback and context for a terminate handler
1.17 cvs 1443: -error_html if TRUE, then display any server error message as an
1444: HTML document.
1.88 cvs 1445: - content_type a string
1446:
1.4 cvs 1447: Outputs:
1448: - urlName The URL that was retrieved
1449: - outputfile The name of the temporary file which holds the
1450: retrieved data. (Only in case of success)
1.88 cvs 1451: - if content_type wasn't NULL, it will contain a copy of the parameter
1452: sent in the HTTP answer
1.4 cvs 1453: Returns:
1454: HT_ERROR
1455: HT_OK
1.5 cvs 1456:
1457: ----------------------------------------------------------------------*/
1.4 cvs 1458: #ifdef __STDC__
1.52 cvs 1459: int GetObjectWWW (int docid, char* urlName, char* postString, char* outputfile, int mode,
1460: TIcbf* incremental_cbf, void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 1461: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 1462: #else
1.52 cvs 1463: int GetObjectWWW (docid, urlName, postString, outputfile, mode, incremental_cbf, context_icbf,
1.88 cvs 1464: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 1465: int docid;
1466: char *urlName;
1467: char *postString;
1468: char *outputfile;
1469: int mode;
1470: TIcbf *incremental_cbf;
1471: void *context_icbf;
1472: TTcbf *terminate_cbf;
1473: void *context_tcbf;
1474: boolean error_html;
1.88 cvs 1475: char *content_type;
1.4 cvs 1476: #endif
1477: {
1478: AHTReqContext *me;
1479: char *ref;
1480: int status;
1.7 cvs 1481:
1.69 cvs 1482: if (urlName == NULL || docid == 0 || outputfile == NULL) {
1483: /* no file to be loaded */
1484: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1485:
1486: if (error_html)
1487: /* so we can show the error message */
1488: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1489: return HT_ERROR;
1490:
1491: }
1.7 cvs 1492:
1.4 cvs 1493: /* do we support this protocol? */
1.69 cvs 1494: if (IsValidProtocol (urlName) == NO) {
1495: /* return error */
1496: outputfile[0] = EOS; /* file could not be opened */
1497: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL), urlName);
1498:
1499: if (error_html)
1500: /* so we can show the error message */
1501: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1502: return HT_ERROR;
1503: }
1.4 cvs 1504:
1.58 cvs 1505: /*create a tempfilename */
1.59 cvs 1506: sprintf (outputfile, "%s%c%d%c%04dAM", TempFileDirectory, DIR_SEP, docid, DIR_SEP, object_counter);
1.4 cvs 1507:
1508: /* update the object_counter */
1509: object_counter++;
1510: /* normalize the URL */
1.45 cvs 1511: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 1512: /* should we abort the request if we could not normalize the url? */
1.69 cvs 1513: if (ref == (char*) NULL || ref[0] == EOS) {
1514: /*error */
1515: outputfile[0] = EOS;
1516: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1517:
1518: if (error_html)
1519: /* so we can show the error message */
1520: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.4 cvs 1521:
1.69 cvs 1522: return HT_ERROR;
1523: }
1.4 cvs 1524: /* verify if that file name existed */
1.9 cvs 1525: if (TtaFileExist (outputfile))
1.77 cvs 1526: TtaFileUnlink (outputfile);
1.4 cvs 1527:
1528: /* Initialize the request structure */
1529: me = AHTReqContext_new (docid);
1.69 cvs 1530: if (me == NULL) {
1.77 cvs 1531: outputfile[0] = EOS;
1532: /* need an error message here */
1533: TtaFreeMemory (ref);
1534: return (HT_ERROR);
1.69 cvs 1535: }
1.77 cvs 1536:
1.4 cvs 1537: /* Specific initializations for POST and GET */
1.69 cvs 1538: if (mode & AMAYA_FORM_POST) {
1.77 cvs 1539: me->method = METHOD_POST;
1540: if (postString) {
1541: me->mem_ptr = postString;
1542: me->block_size = strlen (postString);
1543: } else {
1544: me->mem_ptr = "";
1545: me->block_size = 0;
1546: }
1547: HTRequest_setMethod (me->request, METHOD_POST);
1.69 cvs 1548: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1549: } else {
1.77 cvs 1550: me->method = METHOD_GET;
1551: me->dest = (HTParentAnchor *) NULL; /*useful only for PUT and POST methods */
1552: if (!HasKnownFileSuffix (ref))
1553: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.69 cvs 1554: }
1.93 cvs 1555:
1556: #if !defined(AMAYA_JAVA) && !defined(AMAYA_ILU) && defined (_WINDOWS)
1557: /* forces libwww to do sync request if in MakeBook mode */
1558: if (WinMakeBookFlag)
1559: mode = AMAYA_SYNC;
1560: #endif /* _WINDOWS */
1561:
1.4 cvs 1562: /* Common initialization */
1563: me->mode = mode;
1564: me->error_html = error_html;
1565: me->incremental_cbf = incremental_cbf;
1566: me->context_icbf = context_icbf;
1567: me->terminate_cbf = terminate_cbf;
1568: me->context_tcbf = context_tcbf;
1.88 cvs 1569: me->content_type = content_type;
1.64 cvs 1570:
1.69 cvs 1571: /* for the async. request modes, we need to have our
1.4 cvs 1572: own copy of outputfile and urlname
1573: */
1574:
1.69 cvs 1575: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC)) {
1.77 cvs 1576: char* tmp;
1577:
1.69 cvs 1578: tmp = TtaGetMemory (strlen (outputfile) + 1);
1579: strcpy (tmp, outputfile);
1580: me->outputfile = tmp;
1581:
1582: tmp = TtaGetMemory (MAX_LENGTH + 1);
1583: strncpy (tmp, urlName, MAX_LENGTH);
1584: tmp[MAX_LENGTH] = EOS;
1585: me->urlName = tmp;
1586: # ifdef _WINDOWS
1587: HTRequest_setPreemptive (me->request, NO);
1588: } else {
1.77 cvs 1589: me->outputfile = outputfile;
1590: me->urlName = urlName;
1591: HTRequest_setPreemptive (me->request, YES);
1.61 cvs 1592: }
1.69 cvs 1593: # else /* _WINDOWS */
1594: } else {
1.77 cvs 1595: me->outputfile = outputfile;
1596: me->urlName = urlName;
1.61 cvs 1597: }
1.77 cvs 1598: /***
1.57 cvs 1599: Change for taking into account the stop button:
1600: The requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1601: we will loop until the document has been received or a stop signal
1602: generated
1.77 cvs 1603: ****/
1604: HTRequest_setPreemptive (me->request, NO);
1.69 cvs 1605: # endif /* _WINDOWS */
1.61 cvs 1606:
1607: /* prepare the URLname that will be displayed in teh status bar */
1608: ChopURL (me->status_urlName, me->urlName);
1609:
1.77 cvs 1610: TtaSetStatus (me->docid, 1,
1611: TtaGetMessage (AMAYA, AM_FETCHING),
1612: me->status_urlName);
1.4 cvs 1613:
1614: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 1615: TtaFreeMemory (ref);
1.4 cvs 1616:
1.69 cvs 1617: if (mode & AMAYA_FORM_POST) {
1618: HTAnchor_setFormat ((HTParentAnchor *) me->anchor, HTAtom_for ("application/x-www-form-urlencoded"));
1619: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1620: HTRequest_setEntityAnchor (me->request, me->anchor);
1621:
1622: status = HTLoadAbsolute (urlName, me->request);
1623: } else
1.77 cvs 1624: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 1625:
1.72 cvs 1626: #ifndef _WINDOWS
1.77 cvs 1627: if (status == HT_ERROR ||
1628: me->reqStatus == HT_END ||
1629: me->reqStatus == HT_ERR)
1630: {
1631: /* in case of error, free all allocated memory and exit */
1.96 cvs 1632: if (me->output && me->output != stdout) {
1.85 cvs 1633: #ifdef DEBUG_LIBWWW
1.96 cvs 1634: fprintf (stderr, "GetObjectWWW:: URL is %s, closing "
1.85 cvs 1635: "FILE %p\n", me->urlName, me->output);
1636: #endif
1.77 cvs 1637: fclose (me->output);
1.82 cvs 1638: me->output = NULL;
1639: }
1640:
1.72 cvs 1641: if (me->reqStatus == HT_ERR) {
1.77 cvs 1642: status = HT_ERROR;
1643: /* show an error message on the status bar */
1644: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1645: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->
1646: status_urlName);
1.72 cvs 1647: } else
1.77 cvs 1648: status = HT_OK;
1.72 cvs 1649:
1650: AHTReqContext_delete (me);
1.77 cvs 1651: } else {
1.72 cvs 1652: /* part of the stop button handler */
1653: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC)) {
1654: status = LoopForStop (me);
1655: AHTReqContext_delete (me);
1656: }
1657: }
1658:
1659: #else /* !_WINDOWS */
1660:
1.90 cvs 1661: if (status == HT_ERROR ||
1662: me->reqStatus == HT_ERROR)
1663: {
1664: status = HT_ERROR;
1.71 cvs 1665:
1.90 cvs 1666: /* in case of error, close any open files, free all allocated
1667: memory and exit */
1668: if (me->output && me->output != stdout)
1669: {
1.85 cvs 1670: #ifdef DEBUG_LIBWWW
1.90 cvs 1671: fprintf (stderr, "GetObjectWWW: URL is %s, closing "
1672: "FILE %p\n", me->urlName, me->output);
1.85 cvs 1673: #endif
1.90 cvs 1674: fclose (me->output);
1675: me->output = NULL;
1676: }
1.85 cvs 1677:
1.90 cvs 1678: if (me->reqStatus == HT_ERR)
1679: {
1680: /* show an error message on the status bar */
1681: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
1682: TtaSetStatus (me->docid, 1,
1683: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1684: me->status_urlName);
1685: }
1686: }
1687: else
1688: {
1689: status = HT_OK;
1690: }
1691:
1.93 cvs 1692: /* part of the stop button handler */
1693: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1694: {
1695: if (HTRequest_net (me->request))
1696: HTRequest_kill (me->request);
1697: else
1698: AHTReqContext_delete (me);
1699: }
1.4 cvs 1700:
1.72 cvs 1701: #endif /* !_WINDOWS */
1702:
1.4 cvs 1703: return (status);
1704: }
1705:
1.5 cvs 1706: /*----------------------------------------------------------------------
1.17 cvs 1707: PutObjectWWW
1708: frontend for uploading a resource to a URL. This function downloads
1709: a file to be uploaded into memory, it then calls UploadMemWWW to
1710: finish the job.
1711:
1.5 cvs 1712: 2 upload modes are proposed:
1713: AMAYA_SYNC : blocking mode
1714: AMAYA_ASYNC : non-blocking mode
1715:
1.4 cvs 1716: When the function is called with the SYNC mode, the function will
1717: return only when the file has been uploaded.
1718: The ASYNC mode will immediately return after setting up the
1719: call. Furthermore, at the end of an upload, the ASYNC mode will
1720: call back terminate_cbf, handling it the context defined in
1721: context_tcbf.
1722:
1723: Notes:
1724: At the end of a succesful request, the urlName string contains the
1725: name of the actually uploaded URL. As a URL can change over the time,
1726: (e.g., be redirected elsewhere), it is advised that the function
1727: caller verifies the value of the urlName variable at the end of
1728: a request.
1729:
1730: Inputs:
1731: - docid Document identifier for the set of objects being
1732: retrieved.
1733: - fileName A pointer to the local file to upload
1734: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
1735: - mode The retrieval mode.
1736: - terminate_cbf
1737: - context_icbf
1738: Callback and context for a terminate handler
1739:
1740: Outputs:
1741: - urlName The URL that was uploaded
1742:
1743: Returns:
1744: HT_ERROR
1745: HT_OK
1.5 cvs 1746: ----------------------------------------------------------------------*/
1.4 cvs 1747: #ifdef __STDC__
1.27 cvs 1748: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 1749: TTcbf * terminate_cbf, void *context_tcbf)
1750: #else
1.26 cvs 1751: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 1752: ,terminate_cbf, context_tcbf)
1753: int docid;
1754: char *urlName;
1755: char *fileName;
1756: int mode;
1.27 cvs 1757: PicType contentType;
1.4 cvs 1758: TTcbf *terminate_cbf;
1759: void *context_tcbf;
1760:
1761: #endif
1762: {
1.7 cvs 1763: /*AHTReqContext *me; */
1.4 cvs 1764: int status;
1765:
1766: int fd;
1767: struct stat file_stat;
1768: char *mem_ptr;
1769: unsigned long block_size;
1770:
1.33 cvs 1771: AmayaLastHTTPErrorMsg [0] = EOS;
1772:
1.4 cvs 1773: if (urlName == NULL || docid == 0 || fileName == NULL ||
1.9 cvs 1774: !TtaFileExist (fileName))
1.4 cvs 1775: /* no file to be uploaded */
1776: return HT_ERROR;
1777:
1778: /* do we support this protocol? */
1.7 cvs 1779: if (IsValidProtocol (urlName) == NO)
1780: {
1781: /* return error */
1.77 cvs 1782: TtaSetStatus (docid, 1,
1783: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 1784: urlName);
1785: return HT_ERROR;
1786: }
1.4 cvs 1787: /* read the file into memory */
1.70 cvs 1788: # ifndef _WINDOWS
1.7 cvs 1789: if ((fd = open (fileName, O_RDONLY)) == -1)
1.70 cvs 1790: # else /* _WINDOWS */
1.74 cvs 1791: if ((fd = open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.70 cvs 1792: # endif /* _WINDOWS */
1.7 cvs 1793: {
1794: /* if we could not open the file, exit */
1795: /*error msg here */
1796: return (HT_ERROR);
1797: }
1.4 cvs 1798:
1799: fstat (fd, &file_stat);
1800:
1.7 cvs 1801: if (file_stat.st_size == 0)
1802: {
1803: /* file was empty */
1804: /*errmsg here */
1805: close (fd);
1806: return (HT_ERROR);
1807: }
1.4 cvs 1808: block_size = file_stat.st_size;
1809:
1810: if (THD_TRACE)
1811: fprintf (stderr, "file size == %u\n", (unsigned) block_size);
1812:
1813: mem_ptr = (char *) TtaGetMemory (block_size);
1814:
1.7 cvs 1815: if (mem_ptr == (char *) NULL)
1816: {
1817: /* could not allocate enough memory */
1818: /*errmsg here */
1819: close (fd);
1820: return (HT_ERROR);
1821: }
1.4 cvs 1822: read (fd, mem_ptr, block_size);
1823:
1824: close (fd);
1825:
1.27 cvs 1826: status = UploadMemWWW (docid, METHOD_PUT, urlName, contentType, mem_ptr,
1.4 cvs 1827: block_size, mode, terminate_cbf,
1828: context_tcbf, (char *) NULL);
1829:
1830: TtaFreeMemory (mem_ptr);
1.28 cvs 1831: TtaHandlePendingEvents ();
1.4 cvs 1832: return (status);
1833: }
1834:
1.5 cvs 1835: /*----------------------------------------------------------------------
1.17 cvs 1836: UploadMemWWW
1837: low level interface function to libwww for uploading a block of
1838: memory to a URL.
1.5 cvs 1839: ----------------------------------------------------------------------*/
1.4 cvs 1840: #ifdef __STDC__
1841: int UploadMemWWW (int docid, HTMethod method,
1.27 cvs 1842: char *urlName, PicType contentType, char *mem_ptr, unsigned long block_size,
1.4 cvs 1843: int mode, TTcbf * terminate_cbf, void *context_tcbf,
1844: char *outputfile)
1845: #else
1.27 cvs 1846: int UploadMemWWW (docid, method, urlName, contentType, mem_ptr, block_size, mode,
1.4 cvs 1847: terminate_cbf, context_tcbf, outputfile)
1848: int docid;
1849: HTMethod method;
1850: char *urlName;
1.27 cvs 1851: PicType contentType;
1.4 cvs 1852: char *mem_ptr;
1853: usigned long block_size;
1854: int mode;
1855: TTcbf *terminate_cbf;
1856: void *context_tcbf;
1857: char *outputfile;
1.7 cvs 1858:
1.4 cvs 1859: #endif
1860: {
1861: AHTReqContext *me;
1862: int status;
1863:
1864: if (mem_ptr == (char *) NULL ||
1865: block_size == 0 ||
1866: docid == 0 ||
1.7 cvs 1867: urlName == (char *) NULL)
1868: {
1869: /* nothing to be uploaded */
1870: return HT_ERROR;
1871: }
1.4 cvs 1872:
1873: /* Initialize the request structure */
1874: me = AHTReqContext_new (docid);
1875:
1.7 cvs 1876: if (me == NULL)
1877: {
1878: /* need an error message here */
1879: TtaHandlePendingEvents ();
1880: return (HT_ERROR);
1881: }
1.4 cvs 1882: me->mode = mode;
1883:
1884: me->incremental_cbf = (TIcbf *) NULL;
1885: me->context_icbf = (void *) NULL;
1886: me->terminate_cbf = terminate_cbf;
1887: me->context_tcbf = context_tcbf;
1888:
1889: me->output = stdout;
1890: me->outputfile = (char *) NULL;
1891: me->urlName = urlName;
1892:
1.70 cvs 1893: #ifdef _WINDOWS
1894: HTRequest_setPreemptive (me->request, YES);
1895: #else
1.4 cvs 1896: HTRequest_setPreemptive (me->request, NO);
1.70 cvs 1897: #endif /* _WINDOWS */
1.74 cvs 1898:
1.17 cvs 1899: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 1900: me->method = METHOD_PUT;
1901: HTRequest_setMethod (me->request, METHOD_PUT);
1902: me->output = stdout;
1.17 cvs 1903: /* we are not expecting to receive any input from the server */
1904: me->outputfile = (char *) NULL;
1.4 cvs 1905:
1906: me->mem_ptr = mem_ptr;
1907: me->block_size = block_size;
1.17 cvs 1908:
1909: /* set the callback which will actually copy data into the
1910: output stream */
1911:
1.4 cvs 1912: HTRequest_setPostCallback (me->request, AHTUpload_callback);
1.72 cvs 1913:
1.4 cvs 1914: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlName);
1.7 cvs 1915:
1.28 cvs 1916: /* Set the Content-Type of the file we are uploading */
1.77 cvs 1917: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
1918: AHTGuessAtom_for (me->urlName, contentType));
1.17 cvs 1919:
1.7 cvs 1920: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
1.4 cvs 1921: HTRequest_setEntityAnchor (me->request, me->anchor);
1.74 cvs 1922: /* prepare the URLname that will be displayed in teh status bar */
1923: ChopURL (me->status_urlName, me->urlName);
1924: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1925: me->status_urlName);
1.4 cvs 1926: status = HTLoadAbsolute (urlName, me->request);
1927:
1.74 cvs 1928: #ifndef _WINDOWS
1.77 cvs 1929: if (status == HT_ERROR ||
1930: me->reqStatus == HT_END ||
1931: me->reqStatus == HT_ERR ||
1932: HTError_hasSeverity (HTRequest_error (me->request), ERR_INFO))
1.7 cvs 1933: {
1.17 cvs 1934: status = HT_ERROR;
1.28 cvs 1935: }
1.7 cvs 1936: else
1937: {
1938: /* part of the stop button handler */
1.4 cvs 1939:
1.7 cvs 1940: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
1941: {
1942: status = LoopForStop (me);
1943: }
1.15 cvs 1944: }
1.90 cvs 1945: #else /* _WINDOWS */
1946: if (status == HT_ERROR ||
1947: me->reqStatus == HT_ERR) /* || Error_hasSeverity (HTRequest_error (me->request), ERR_INFO)) */
1948: status = HT_ERROR;
1949: else
1950: status = HT_OK;
1951: #endif /* _WINDOWS */
1952:
1.92 cvs 1953: if (HTRequest_net (me->request))
1954: {
1955: HTRequest_kill (me->request);
1956: }
1.93 cvs 1957: else
1958: AHTReqContext_delete (me);
1.4 cvs 1959: return (status);
1.28 cvs 1960: }
1.4 cvs 1961:
1962:
1963:
1.5 cvs 1964: /*----------------------------------------------------------------------
1.17 cvs 1965: Stop Request
1966: stops (kills) all active requests associated with a docid
1.5 cvs 1967: ----------------------------------------------------------------------*/
1.4 cvs 1968: #ifdef __STDC__
1969: void StopRequest (int docid)
1970: #else
1971: void StopRequest (docid)
1972: int docid;
1973: #endif
1974: {
1975: HTList *cur;
1976: AHTDocId_Status *docid_status;
1977: AHTReqContext *me;
1978: int open_requests;
1979:
1.84 cvs 1980: HTNet *reqNet;
1981: HTHost *reqHost;
1.85 cvs 1982: HTChannel *reqChannel;
1983: int reqSock;
1984:
1.7 cvs 1985: if (Amaya)
1986: {
1987: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
1.4 cvs 1988: Amaya->docid_status);
1.7 cvs 1989: /* verify if there are any requests at all associated with docid */
1.4 cvs 1990:
1.7 cvs 1991: if (docid_status == (AHTDocId_Status *) NULL)
1992: return;
1.4 cvs 1993:
1.7 cvs 1994: open_requests = docid_status->counter;
1.4 cvs 1995:
1.85 cvs 1996: /* First, kill all pending requests */
1997: /* We first inhibit the activation of pending requests */
1998: HTHost_disable_PendingReqLaunch ();
1999: cur = Amaya->reqlist;
2000: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2001: {
2002: if (me->docid == docid && me->reqStatus == HT_NEW)
2003: {
2004: reqNet = HTRequest_net (me->request);
2005: reqSock = HTNet_socket (reqNet);
2006: reqChannel = HTChannel_find(reqSock);
2007: reqHost = HTChannel_host (reqChannel);
1.95 cvs 2008:
2009: /* If we have an ASYNC request, we kill it.
2010: ** If it's a SYNC request, we just mark it as aborted
2011: */
2012: me->reqStatus = HT_ABORT;
1.96 cvs 2013: if (HTRequest_net (me->request))
2014: /* delete the libwww request context */
2015: HTRequest_kill (me->request);
2016:
2017: #ifndef _WINDOWS
1.95 cvs 2018: if ((me->mode & AMAYA_IASYNC) || (me->mode & AMAYA_ASYNC))
1.85 cvs 2019: {
1.96 cvs 2020: /* delete the Amaya request context */
2021: AHTReqContext_delete (me);
2022: cur = Amaya->reqlist;
1.85 cvs 2023: }
1.96 cvs 2024: #else /* _WINDOWS */
2025: cur = Amaya->reqlist;
2026: #endif /* _WINDOWS */
1.95 cvs 2027:
2028: /* update the number of open requests */
2029: open_requests--;
1.85 cvs 2030:
2031: if (HTHost_isIdle (reqHost) ) {
2032: #ifdef DEBUG_LIBWWW
2033: fprintf (stderr, "Host is idle, killing socket %d\n",
1.95 cvs 2034: reqSock);
1.85 cvs 2035: #endif /* DEBUG_LIBWWW */
2036:
2037: HTEvent_unregister (reqSock, FD_ALL);
2038: HTEvent_register(reqSock, NULL, (SockOps) FD_READ,
2039: HTHost_catchClose, HT_PRIORITY_MAX);
2040: close (reqSock);
2041: /*
2042: if (reqChannel && reqHost)
2043: HTHost_clearChannel(reqHost, HT_OK);
2044: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
2045: */
2046: }
2047: }
2048: }
2049: /* enable the activation of pending requests */
2050: HTHost_enable_PendingReqLaunch ();
2051:
2052: cur = Amaya->reqlist;
1.7 cvs 2053: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2054: {
2055: if (me->docid == docid)
2056: {
1.93 cvs 2057: /* kill this request */
1.85 cvs 2058:
1.93 cvs 2059: switch (me->reqStatus)
2060: {
2061: case HT_ABORT:
2062: break;
2063:
2064: case HT_BUSY:
2065: me->reqStatus = HT_ABORT;
2066: break;
1.96 cvs 2067:
1.93 cvs 2068: case HT_NEW_PENDING:
2069: case HT_WAITING:
2070: default:
2071: me->reqStatus = HT_ABORT;
2072:
1.70 cvs 2073: # ifndef _WINDOWS
1.93 cvs 2074: RequestKillAllXtevents (me);
1.74 cvs 2075: # endif _WINDOWS
1.96 cvs 2076:
1.93 cvs 2077: reqNet = HTRequest_net (me->request);
2078: reqSock = HTNet_socket (reqNet);
2079: reqChannel = HTChannel_find(reqSock);
2080: reqHost = HTChannel_host (reqChannel);
1.96 cvs 2081:
2082: if (HTRequest_net (me->request))
2083: HTRequest_kill (me->request);
2084:
2085: #ifndef _WINDOWS
1.95 cvs 2086: if ((me->mode & AMAYA_IASYNC) || (me->mode & AMAYA_ASYNC))
1.93 cvs 2087: {
1.96 cvs 2088: AHTReqContext_delete (me);
2089: cur = Amaya->reqlist;
1.93 cvs 2090: }
1.96 cvs 2091: #else /* _WINDOWS */
2092: cur = Amaya->reqlist;
2093: #endif /* _WINDOWS */
1.95 cvs 2094:
1.93 cvs 2095: /* if there are no more requests, then close
2096: the connection */
2097:
2098: if (HTHost_isIdle (reqHost) ) {
1.85 cvs 2099: #ifdef DEBUG_LIBWWW
1.93 cvs 2100: fprintf (stderr, "Host is idle, "
2101: "killing socket %d\n",
2102: reqSock);
1.85 cvs 2103: #endif /* DEBUG_LIBWWW */
1.93 cvs 2104: HTEvent_unregister (reqSock, FD_ALL);
2105: HTEvent_register(reqSock,
2106: NULL,
2107: (SockOps) FD_READ,
2108: HTHost_catchClose,
2109: HT_PRIORITY_MAX);
2110: close (reqSock);
2111: HTHost_clearChannel (reqHost, HT_ERROR);
2112: /*
2113: if (reqChannel && reqHost)
2114: HTHost_clearChannel(reqHost, HT_OK);
2115: HTHost_catchClose (reqSock, NULL, FD_CLOSE);
2116: */
1.85 cvs 2117: #ifdef DEBUG_LIBWWW
1.93 cvs 2118: fprintf (stderr, "After killing, "
2119: "HTHost_isIdle gives %d\n",
2120: HTHost_isIdle (reqHost));
1.85 cvs 2121: #endif /* DEBUG_LIBWWW */
1.93 cvs 2122: }
2123:
2124: open_requests--;
2125:
2126: break;
2127:
2128: } /* switch */
1.7 cvs 2129: } /* if me docid */
2130: } /* while */
2131: } /* if amaya open requests */
1.93 cvs 2132:
1.85 cvs 2133: } /* StopRequest */
1.17 cvs 2134:
2135: /*
2136: end of Module query.c
2137: */
2138:
1.69 cvs 2139: #endif /* AMAYA_JAVA */
1.77 cvs 2140:
2141:
1.17 cvs 2142:
2143:
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