Annotation of Amaya/amaya/query.c, revision 1.181
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 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:
1.116 cvs 19: /* defines to include elsewhere
20: *********************************/
21:
1.124 cvs 22: #ifndef _WINDOWS
1.130 cvs 23: #endif /* !_WINDOWS */
1.116 cvs 24: #define AMAYA_WWW_CACHE
1.168 cvs 25: #define AMAYA_LOST_UPDATE
1.116 cvs 26:
1.128 cvs 27: #define CACHE_DIR_NAME DIR_STR"libwww-cache"
1.176 cvs 28: #define DEFAULT_CACHE_SIZE 10
29: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
1.177 cvs 30: #define DEFAULT_MAX_SOCKET 32
1.176 cvs 31: #define DEFAULT_DNS_TIMEOUT 1800L
1.151 cvs 32: #define DEFAULT_PERSIST_TIMEOUT 60L
1.165 cvs 33: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.116 cvs 34:
1.12 cvs 35: /* Amaya includes */
1.25 cvs 36: #define THOT_EXPORT extern
1.4 cvs 37: #include "amaya.h"
1.130 cvs 38: #include <sys/types.h>
1.70 cvs 39: #include <fcntl.h>
1.140 cvs 40: #include "HTEvtLst.h"
1.157 cvs 41: #include "HTAABrow.h"
1.7 cvs 42:
1.141 cvs 43: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 44: #define CATCH_SIG
45: #endif
46:
47: /* local structures coming from libwww and which are
1.17 cvs 48: not found in any .h file
1.7 cvs 49: */
1.68 cvs 50:
1.7 cvs 51: struct _HTStream
52: {
1.15 cvs 53: const HTStreamClass *isa;
54: FILE *fp;
1.45 cvs 55: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 56: char *end_command; /* Command to execute */
57: BOOL remove_on_close; /* Remove file? */
58: char *filename; /* Name of file */
59: HTRequest *request; /* saved for callback */
60: HTRequestCallback *callback;
1.7 cvs 61: };
62:
1.15 cvs 63:
1.7 cvs 64: struct _HTError
65: {
66: HTErrorElement element; /* Index number into HTError */
67: HTSeverity severity; /* A la VMS */
68: BOOL ignore; /* YES if msg should not go to user */
69: void *par; /* Explanation, e.g. filename */
70: int length; /* For copying by generic routine */
71: char *where; /* Which function */
72: };
73:
1.4 cvs 74: /* Type definitions and global variables etc. local to this module */
75:
1.17 cvs 76: /*----------------------------------------------------------------------*/
77:
1.4 cvs 78: /*** private variables ***/
1.17 cvs 79:
1.4 cvs 80: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 81: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.151 cvs 82: static HTList *transfer_encodings = NULL;
83: static HTList *content_encodings = NULL;
1.16 cvs 84: static int object_counter = 0; /* loaded objects counter */
1.140 cvs 85: static boolean AmayaAlive_flag; /* set to 1 if the application is active;
86: 0 if we have killed */
87: static boolean CanDoStop_flag; /* set to 1 if we can do a stop, 0
88: if we're inside a critical section */
1.128 cvs 89: #ifdef AMAYA_WWW_CACHE
1.130 cvs 90: static int fd_cachelock; /* open handle to the .lock cache file */
91: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 92:
1.15 cvs 93: #include "answer_f.h"
94: #include "query_f.h"
95: #include "AHTURLTools_f.h"
96: #include "AHTBridge_f.h"
97: #include "AHTMemConv_f.h"
98: #include "AHTFWrite_f.h"
1.4 cvs 99:
1.116 cvs 100: /* prototypes */
101:
102: #ifdef __STDC__
1.128 cvs 103: static void RecCleanCache (char *dirname);
1.123 cvs 104: #ifdef _WINDOWS
1.70 cvs 105: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 106: #endif /* _WINDOWS */
1.70 cvs 107: #else
1.128 cvs 108: static void RecCleanCache (/* char *dirname */);
1.123 cvs 109: #ifdef _WINDOWS
1.128 cvs 110: int WIN_Activate_Request (/* HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar* */);
1.116 cvs 111: #endif /* _WINDOWS */
1.70 cvs 112: #endif /* __STDC__ */
1.116 cvs 113:
1.15 cvs 114:
1.130 cvs 115: #ifdef AMAYA_WWW_CACHE
116: /***************************************************************
117: lock functions, used to avoid concurrent use of the cache
118: Mostly based on W. Richard Stevens' APUE book.
119: ***************************************************************/
120: /*----------------------------------------------------------------------
121: set_cachelock
122: sets a write lock on filename.
123: Returns -1 in case of failure, otherwise, it'll open a handle on
124: filename and fd_cachelock will take its value.
125: ----------------------------------------------------------------------*/
126: #ifdef __STDC__
127: static int set_cachelock (char *filename)
128: #else
129: static int set_cachelock (filename)
130: char *filename;
131: #endif /* __STDC__ */
132: {
133: #ifdef _WINDOWS
134: return 0;
135: #else
136: int status;
137: struct flock lock;
138:
139: lock.l_type = F_WRLCK;
140: lock.l_start = 0;
141: lock.l_whence = SEEK_SET;
142: lock.l_len = 0;
143:
144: fd_cachelock = open (filename, O_WRONLY);
145:
146: if (fd_cachelock == -1)
147: status = -1;
148: else
149: status = fcntl(fd_cachelock, F_SETLK, &lock);
150:
151: if (status == -1)
1.178 cvs 152: {
1.179 cvs 153: if (fd_cachelock > 0)
1.178 cvs 154: close (fd_cachelock);
1.179 cvs 155: fd_cachelock = 0;
1.178 cvs 156: }
1.130 cvs 157:
158: return (status);
159: #endif /* _WINDOWS */
160: }
161:
162: /*----------------------------------------------------------------------
163: clear_cachelock
164: remove the write lock set on a filename.
165: It'll close the fd handle on filename and reset *fd to 0.
166: ----------------------------------------------------------------------*/
167: #ifdef __STDC__
168: static int clear_cachelock (void)
169: #else
170: static int clear_cachelock ()
171: int *fd;
172: #endif /* __STDC__ */
173: {
174: #ifdef _WINDOWS
175: return 0;
176: #else
177: int status;
178:
1.178 cvs 179: if (!fd_cachelock)
1.130 cvs 180: return (-1);
181:
1.178 cvs 182: status = close (fd_cachelock);
1.130 cvs 183: fd_cachelock = 0;
184:
185: return (status);
186: #endif /* _WINDOWS */
187: }
188:
189: /*----------------------------------------------------------------------
190: test_cachelock
191: returns 0 if a fd is not locked by other process, otherwise
192: returns the pid of the process who has the lock
193: ----------------------------------------------------------------------*/
194: #ifdef __STDC__
195: static int test_cachelock (char *filename)
196: #else
197: static int test_cachelock (filename)
198: char *filename;
199: #endif __STDC__
200: {
201: #ifdef _WINDOWS
202: int fd;
1.137 cvs 203: fd = _open (filename, _O_WRONLY | _O_BINARY);
1.130 cvs 204: if (fd != -1)
205: {
1.137 cvs 206: _close (fd);
1.130 cvs 207: return 0;
208: }
209: else
210: return -1;
211: #else
212: struct flock lock;
213: int fd, status;
214:
215: lock.l_type = F_WRLCK;
216: lock.l_start = 0;
217: lock.l_whence = SEEK_SET;
218: lock.l_len = 0;
219:
220: fd = open (filename, O_WRONLY);
221:
222: if (fd < 0)
223: return (-1);
224: /* is this file locked ? */
225: status = fcntl (fd, F_GETLK, &lock);
226: close (fd);
227:
228: if (status < 0)
229: return (-1);
230:
231: if (lock.l_type == F_UNLCK)
232: return (0); /* false, region is not locked by another proc */
233: return (lock.l_pid); /* true, return pid of lock owner */
234: #endif /* _WINDOWS */
235: }
236:
237: #endif /* AMAYA_WWW_CACHE */
238:
1.15 cvs 239: /*----------------------------------------------------------------------
1.17 cvs 240: GetDocIdStatus
241: gets the status associated to a docid
1.15 cvs 242: ----------------------------------------------------------------------*/
243: #ifdef __STDC__
244: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
245: #else
246: AHTDocID_Status *GetDocIdStatus (docid, documents)
247: int docid;
248: HTList *documents;
249:
250: #endif
251: {
252: AHTDocId_Status *me;
253: HTList *cur;
254:
255: if (documents)
256: {
257: cur = documents;
258:
259: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
260: {
261: if (me->docid == docid)
262: return (me);
1.18 cvs 263: }
264: }
1.15 cvs 265: return (AHTDocId_Status *) NULL;
266:
267: }
268:
1.5 cvs 269: /*----------------------------------------------------------------------
1.27 cvs 270: AHTGuessAtom_for
271: Converts an Amaya type descriptor into the equivalent MIME type.
272: ----------------------------------------------------------------------*/
273: #ifdef __STDC__
274: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
275: #else
276: static HTAtom *AHTGuessAtom_for (urlName, contentType)
277: char *urlName;
278: PicType contentType;
279: #endif
280: {
281: HTAtom *atom;
282: char *filename;
1.160 cvs 283: HTEncoding enc = NULL;
284: HTEncoding cte = NULL;
285: HTLanguage lang = NULL;
1.50 cvs 286: double quality = 1.0;
1.27 cvs 287:
288: switch (contentType)
289: {
290: case xbm_type:
291: atom = HTAtom_for("image/xbm");
292: break;
293: case eps_type:
1.35 cvs 294: atom = HTAtom_for("application/postscript");
1.27 cvs 295: break;
296: case xpm_type:
297: atom = HTAtom_for("image/xpm");
298: break;
299: case gif_type:
300: atom = HTAtom_for("image/gif");
301: break;
302: case jpeg_type:
303: atom = HTAtom_for("image/jpeg");
304: break;
305: case png_type:
306: atom = HTAtom_for("image/png");
307: break;
308: case unknown_type:
309: default:
310: /*
311: ** Amaya could not detect the type, so
312: ** we try to use the filename's suffix to do so.
313: */
1.45 cvs 314: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 315: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 316: TtaFreeMemory (filename);
1.27 cvs 317: if (atom == WWW_UNKNOWN)
318: /*
319: ** we could not identify the suffix, so we assign it
320: ** a default type
321: */
322: atom = HTAtom_for ("text/html");
323: break;
324: }
325:
326: return atom;
327: }
328:
329: /*----------------------------------------------------------------------
1.17 cvs 330: AHTReqContext_new
331: create a new Amaya Context Object and update the global Amaya
332: request status.
1.5 cvs 333: ----------------------------------------------------------------------*/
1.4 cvs 334: #ifdef __STDC__
335: static AHTReqContext *AHTReqContext_new (int docid)
336: #else
337: static AHTReqContext *AHTReqContext_new (docid)
338: int docid;
339:
340: #endif
341: {
342: AHTReqContext *me;
343: AHTDocId_Status *docid_status;
344:
345: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 346: outofmem (__FILE__, "AHTReqContext_new");
347:
348: /* clear the structure */
349: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 350:
1.81 cvs 351: /* Bind the Context object together with the Request Object */
352: me->request = HTRequest_new ();
353:
1.80 cvs 354: /* clean the associated file structure) */
1.79 cvs 355: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 356:
1.4 cvs 357: /* Initialize the other members of the structure */
1.17 cvs 358: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 359: me->docid = docid;
360: HTRequest_setMethod (me->request, METHOD_GET);
361: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
362: HTRequest_setContext (me->request, me);
1.116 cvs 363:
1.36 cvs 364: /* experimental */
365: me->read_sock = INVSOC;
366: me->write_sock = INVSOC;
367: me->except_sock = INVSOC;
1.4 cvs 368:
369: /* Update the global context */
370: HTList_appendObject (Amaya->reqlist, (void *) me);
371:
372: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
373:
1.7 cvs 374: if (docid_status == NULL)
375: {
1.116 cvs 376: docid_status = (AHTDocId_Status *)
377: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 378: docid_status->docid = docid;
379: docid_status->counter = 1;
380: HTList_addObject (Amaya->docid_status, (void *) docid_status);
381: }
382: else
1.4 cvs 383: docid_status->counter++;
384:
385: Amaya->open_requests++;
386:
1.74 cvs 387: #ifdef DEBUG_LIBWWW
388: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
389: #endif
1.116 cvs 390:
1.4 cvs 391: return me;
392: }
393:
1.5 cvs 394: /*----------------------------------------------------------------------
1.17 cvs 395: AHTReqContext_delete
396: Delete an Amaya Context Object and update the global Amaya request
397: status.
1.5 cvs 398: ----------------------------------------------------------------------*/
1.4 cvs 399:
400: #ifdef __STDC__
1.15 cvs 401: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 402: #else
1.15 cvs 403: boolean AHTReqContext_delete (me)
1.4 cvs 404: AHTReqContext *me;
405:
406: #endif
407: {
408: AHTDocId_Status *docid_status;
409:
1.7 cvs 410: if (me)
411: {
1.74 cvs 412: #ifdef DEBUG_LIBWWW
1.138 cvs 413: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 414: #endif
1.138 cvs 415: if (Amaya->reqlist)
416: HTList_removeObject (Amaya->reqlist, (void *) me);
417:
418: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
419: if (docid_status)
420: {
421: docid_status->counter--;
422:
423: if (docid_status->counter == 0)
424: {
425: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
426: TtaFreeMemory ((void *) docid_status);
427: }
428: }
429: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
1.154 cvs 430: AHTFWriter_FREE (HTRequest_outputStream (me->request));
1.138 cvs 431:
432: HTRequest_delete (me->request);
433:
434: if (me->output && me->output != stdout)
435: {
1.85 cvs 436: #ifdef DEBUG_LIBWWW
1.138 cvs 437: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
438: "FILE %p\n", me->urlName, me->output);
1.85 cvs 439: #endif
1.138 cvs 440: fclose (me->output);
441: me->output = NULL;
442: }
1.79 cvs 443:
1.138 cvs 444: if (me->error_stream != (char *) NULL)
445: HT_FREE (me->error_stream);
446: #ifndef _WINDOWS
447: #ifdef WWW_XWINDOWS
448: if (me->read_xtinput_id || me->write_xtinput_id ||
449: me->except_xtinput_id)
450: RequestKillAllXtevents(me);
451: #endif /* WWW_XWINDOWS */
452: #endif /* !_WINDOWS */
453:
454: if (me->reqStatus == HT_ABORT)
455: {
456: if (me->outputfile && me->outputfile[0] != EOS)
457: {
458: TtaFileUnlink (me->outputfile);
459: me->outputfile[0] = EOS;
460: }
461: }
462:
463: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
464: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
465: or in PutObjectWWW */
466: {
467: if (me->urlName)
468: TtaFreeMemory (me->urlName);
469: if (me->outputfile)
470: TtaFreeMemory (me->outputfile);
471: }
472:
473: if (me->content_type)
474: TtaFreeMemory (me->content_type);
475:
476: if (me->formdata)
477: HTAssocList_delete (me->formdata);
478:
479: /* to trace bugs */
480: memset ((void *) me, 0, sizeof (AHTReqContext));
481:
482: TtaFreeMemory ((void *) me);
483:
484: Amaya->open_requests--;
485:
486: return TRUE;
1.7 cvs 487: }
1.15 cvs 488: return FALSE;
1.4 cvs 489: }
490:
491:
1.15 cvs 492: /*----------------------------------------------------------------------
1.17 cvs 493: Thread_deleteAll
494: this function deletes the whole list of active threads.
1.5 cvs 495: ----------------------------------------------------------------------*/
1.4 cvs 496: #ifdef __STDC__
497: static void Thread_deleteAll (void)
498: #else
499: static void Thread_deleteAll ()
500: #endif
501: {
1.21 cvs 502: HTList *cur;
503: AHTReqContext *me;
504: AHTDocId_Status *docid_status;
505:
1.74 cvs 506: if (Amaya && Amaya->reqlist)
507: {
508: if (Amaya->open_requests > 0)
509: #ifdef DEBUG_LIBWWW
510: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
511: "requests\n", Amaya->open_requests);
512: #endif
513: {
514: cur = Amaya->reqlist;
515:
516: /* erase the requests */
517: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
518: {
519: if (me->request)
520: {
1.142 cvs 521: #ifndef _WINDOWS
522: #ifdef WWW_XWINDOWS
1.74 cvs 523: RequestKillAllXtevents (me);
1.142 cvs 524: #endif /* WWW_XWINDOWS */
1.138 cvs 525: #endif /* !_WINDOWS */
1.140 cvs 526: if (!HTRequest_kill (me->request))
527: AHTReqContext_delete (me);
1.74 cvs 528: }
529: } /* while */
530:
531: /* erase the docid_status entities */
532: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
533: TtaFreeMemory ((void *) docid_status);
534:
535: } /* if */
1.84 cvs 536:
1.74 cvs 537: }
1.4 cvs 538: }
539:
1.5 cvs 540: /*----------------------------------------------------------------------
1.83 cvs 541: AHTOpen_file
542: ----------------------------------------------------------------------*/
543: #ifdef __STDC__
1.85 cvs 544: int AHTOpen_file (HTRequest * request)
1.83 cvs 545: #else
1.85 cvs 546: int AHTOpen_file (request)
1.83 cvs 547: HTRequest *request;
548:
549: #endif /* __STDC__ */
550: {
551: AHTReqContext *me; /* current request */
552:
553: me = HTRequest_context (request);
554:
1.93 cvs 555: if (!me)
556: return HT_ERROR;
557:
1.83 cvs 558: #ifdef DEBUG_LIBWWW
1.116 cvs 559: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 560: #endif /* DEBUG_LIBWWW */
561:
562: if (me->reqStatus == HT_ABORT)
563: {
564: #ifdef DEBUG_LIBWWW
565: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 566: #endif /* DEBUG_LIBWWW */
567:
1.85 cvs 568: return HT_OK;
569: }
570:
1.136 cvs 571: if (me->method == METHOD_PUT)
572: {
573: me->reqStatus = HT_WAITING;
574: return HT_OK;
575: }
576:
1.85 cvs 577: if (HTRequest_outputStream (me->request))
578: {
579:
580: #ifdef DEBUG_LIBWWW
581: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
582: #endif /* DEBUG_LIBWWW */
583: return HT_OK;
584: }
585:
586: #ifdef DEBUG_LIBWWW
587: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
588: #endif /* DEBUG_LIBWWW */
589:
1.83 cvs 590: if (!(me->output) &&
591: (me->output != stdout) &&
592: #ifndef _WINDOWS
593: (me->output = fopen (me->outputfile, "w")) == NULL)
594: {
1.116 cvs 595: #else /* !_WINDOWS */
1.83 cvs 596: (me->output = fopen (me->outputfile, "wb")) == NULL)
597: {
598: #endif /* !_WINDOWS */
599:
1.131 cvs 600: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 601: #ifdef DEBUG_LIBWWW
602: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
603: #endif
1.83 cvs 604: TtaSetStatus (me->docid, 1,
605: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
606: me->outputfile);
607: me->reqStatus = HT_ERR;
608: return (HT_ERROR);
609: }
610:
611: HTRequest_setOutputStream (me->request,
612: AHTFWriter_new (me->request,
613: me->output, YES));
614: me->reqStatus = HT_WAITING;
615:
616: return HT_OK;
617: }
618:
619: /*----------------------------------------------------------------------
1.17 cvs 620: redirection_handler
621: this function is registered to handle permanent and temporary
622: redirections.
623: ----------------------------------------------------------------------*/
1.4 cvs 624: #ifdef __STDC__
1.7 cvs 625: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 626: #else
627: static int redirection_handler (request, context, status)
628: HTRequest *request;
629: HTResponse *response;
630: void *param;
631: int status;
632:
633: #endif
634: {
635:
636: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 637: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 638: HTMethod method = HTRequest_method (request);
1.98 cvs 639: char *ref;
640: char *tmp;
1.4 cvs 641:
1.153 cvs 642: if (!me)
643: /* if the redirect doesn't come from Amaya, we call libwww's standard
644: redirect filter */
645: return (HTRedirectFilter (request, response, param, status));
646:
1.7 cvs 647: if (!new_anchor)
648: {
649: if (PROT_TRACE)
650: HTTrace ("Redirection. No destination\n");
651: return HT_OK;
652: }
1.4 cvs 653:
654: /*
1.166 cvs 655: ** Only do redirect on GET and HEAD
1.4 cvs 656: */
1.7 cvs 657: if (!HTMethod_isSafe (method))
658: {
1.130 cvs 659: /*
660: ** If we got a 303 See Other then change the method to GET.
661: ** Otherwise ask the user whether we should continue.
662: */
663: if (status == HT_SEE_OTHER)
664: {
665: if (PROT_TRACE)
666: HTTrace("Redirection. Changing method from %s to GET\n",
667: HTMethod_name(method));
668: HTRequest_setMethod(request, METHOD_GET);
669: }
670: else
671: {
672: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
673: if (prompt)
674: {
675: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
676: NULL, NULL, NULL) != YES)
1.153 cvs 677: return HT_OK;
1.130 cvs 678: }
679: }
1.7 cvs 680: }
1.4 cvs 681: /*
682: ** Start new request with the redirect anchor found in the headers.
683: ** Note that we reuse the same request object which means that we must
684: ** keep this around until the redirected request has terminated. It also
685: ** allows us in an easy way to keep track of the number of redirections
686: ** so that we can detect endless loops.
687: */
1.166 cvs 688:
1.7 cvs 689: if (HTRequest_doRetry (request))
690: {
1.174 cvs 691: /*
692: ** Start request with new credentials
693: */
694:
1.166 cvs 695: /* only do a redirect using a network protocol understood by Amaya */
696: if (IsValidProtocol (new_anchor->parent->address))
1.7 cvs 697: {
1.166 cvs 698: /* if it's a valid URL, we try to normalize it */
699: /* We use the pre-redirection anchor as a base name */
1.74 cvs 700: ref = AmayaParseUrl (new_anchor->parent->address,
701: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 702: if (ref)
703: {
1.98 cvs 704: HT_FREE (new_anchor->parent->address);
705: tmp = NULL;
706: HTSACopy (&tmp, ref);
707: new_anchor->parent->address = tmp;
708: TtaFreeMemory (ref);
1.7 cvs 709: }
1.98 cvs 710: else
1.166 cvs 711: return HT_OK; /* We can't redirect anymore */
1.7 cvs 712: }
1.166 cvs 713: else
714: return HT_OK; /* We can't redirect anymore */
1.7 cvs 715:
716: /* update the current file name */
1.130 cvs 717: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.7 cvs 718: {
1.130 cvs 719: TtaFreeMemory (me->urlName);
720: me->urlName = TtaStrdup (new_anchor->parent->address);
1.7 cvs 721: }
722: else
1.130 cvs 723: /* it's a SYNC mode, so we should keep the urlName */
724: {
725: strncpy (me->urlName, new_anchor->parent->address,
726: MAX_LENGTH - 1);
727: me->urlName[MAX_LENGTH - 1] = EOS;
728: }
1.38 cvs 729: ChopURL (me->status_urlName, me->urlName);
1.116 cvs 730:
1.174 cvs 731: /* clean the output stream */
1.79 cvs 732: if (HTRequest_outputStream (me->request) != NULL) {
1.154 cvs 733: AHTFWriter_FREE (HTRequest_outputStream (me->request));
1.85 cvs 734: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 735: #ifdef DEBUG_LIBWWW
1.130 cvs 736: fprintf (stderr, "redirection_handler: New URL is %s, closing "
737: "FILE %p\n", me->urlName, me->output);
1.74 cvs 738: #endif
1.79 cvs 739: fclose (me->output);
740: me->output = NULL;
741: }
1.64 cvs 742: }
1.68 cvs 743:
1.174 cvs 744: /* tell the user what we're doing */
745: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
746: me->status_urlName);
747:
748:
1.171 cvs 749: /*
750: ** launch the request
751: */
1.174 cvs 752: /* reset the request status */
1.116 cvs 753: me->reqStatus = HT_NEW;
1.105 cvs 754: /* clear the errors */
1.116 cvs 755: HTError_deleteAll (HTRequest_error (request));
1.105 cvs 756: HTRequest_setError (request, NULL);
1.174 cvs 757: /* clear the authentication credentials */
758: HTRequest_deleteCredentialsAll (request);
759:
1.171 cvs 760: if (me->method == METHOD_POST
761: || me->method == METHOD_PUT) /* PUT, POST etc. */
762: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 763: else
1.74 cvs 764: HTLoadAnchor (new_anchor, request);
1.7 cvs 765: }
766: else
1.68 cvs 767: {
1.74 cvs 768: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
769: NULL, 0, "HTRedirectFilter");
770: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
771: NULL);
1.173 cvs 772: /* so that we can show the error message */
1.74 cvs 773: if (me->error_html)
1.173 cvs 774: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
775: me->reqStatus = HT_ERR;
1.68 cvs 776: }
777:
1.4 cvs 778: /*
1.74 cvs 779: ** By returning HT_ERROR we make sure that this is the last handler to be
780: ** called. We do this as we don't want any other filter to delete the
781: ** request object now when we have just started a new one ourselves
782: */
1.4 cvs 783: return HT_ERROR;
784: }
785:
1.151 cvs 786: #ifdef AMAYA_LOST_UPDATE
787: /*----------------------------------------------------------------------
788: precondition_handler
789: 412 "Precondition failed" handler
790: ----------------------------------------------------------------------*/
791: #if __STDC__
792: static int precondition_handler (HTRequest * request, HTResponse * response, void *context, int status)
793: #else
794: static int precondition_handler (request, response, context, status)
795: HTRequest *request;
796: HTResponse *response;
797: void *context;
798: int status;
799: #endif /* __STDC__ */
800: {
1.168 cvs 801: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
802: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
803: boolean force_put;
1.151 cvs 804:
805: if (!me)
806: return HT_OK; /* not an Amaya request */
807:
1.168 cvs 808: if (prompt)
809: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
810: NULL, NULL, NULL);
811: else
812: force_put = NO;
813:
814: if (force_put)
815: {
816: /* start a new PUT request without preconditions */
817: /* @@ do we need to kill the request? */
818: if (me->output && me->output != stdout)
819: {
820: fclose (me->output);
821: me->output = NULL;
822: }
823: /*
824: ** reset the Amaya and libwww request status
825: */
1.176 cvs 826:
827: /* start with a new, clean request structure */
828: HTRequest_delete (me->request);
829: me->request = HTRequest_new ();
830: /* clean the associated file structure) */
831: HTRequest_setOutputStream (me->request, NULL);
832: /* Initialize the other members of the structure */
1.171 cvs 833: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 834: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
835: HTRequest_setContext (me->request, me);
836: HTRequest_setPreemptive (me->request, NO);
837: /*
838: ** Make sure that the first request is flushed immediately and not
839: ** buffered in the output buffer
840: */
841: if (me->mode & AMAYA_FLUSH_REQUEST)
842: HTRequest_setFlush(me->request, YES);
843:
1.171 cvs 844: /* turn off preconditions */
845: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
846: me->reqStatus = HT_NEW;
847: /* make the request */
1.176 cvs 848: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
849: me->dest, me->request);
1.168 cvs 850: /* stop here */
851: return HT_ERROR;
852: }
853: else
854: {
855: /* abort the request */
856: /* @@ should we call StopRequest here? */
857: me->reqStatus = HT_ABORT;
858: /* stop here */
859: return HT_ERROR;
860: }
861: }
1.151 cvs 862:
1.168 cvs 863: /*----------------------------------------------------------------------
864: check_handler
865: Request HEAD checker filter
866: ----------------------------------------------------------------------*/
867: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 868: void * param, int status)
869: {
1.168 cvs 870: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
871: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
872: boolean force_put;
873:
874: if (!me)
875: return HT_OK; /* not an Amaya request */
876:
877: HTRequest_deleteAfter(me->request, check_handler);
878: /*
879: ** If head request showed that the document doesn't exist
880: ** then just go ahead and PUT it. Otherwise ask for help
881: */
882: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
883: {
884: /* we'd need to call terminate_handler, to free the resources */
885: /* abort the request */
886: /* @@ should we call StopRequest here? */
887: me->reqStatus = HT_ABORT;
888: /* stop here */
889: return HT_ERROR;
890: }
891: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
892: {
893: /* we'd need to call terminate_handler, to free the resources */
894: /* abort the request */
895: /* @@ should we call StopRequest here? */
896: me->reqStatus = HT_ABORT;
897: /* stop here */
898: return HT_ERROR;
899: }
900: else if ( (abs(status)/100) != 2)
901: {
1.176 cvs 902: /* start with a new, clean request structure */
903: HTRequest_delete (me->request);
904: me->request = HTRequest_new ();
905: /* clean the associated file structure) */
906: HTRequest_setOutputStream (me->request, NULL);
907: /* Initialize the other members of the structure */
1.171 cvs 908: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 909: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
910: HTRequest_setContext (me->request, me);
911: HTRequest_setPreemptive (me->request, NO);
912: /*
913: ** Make sure that the first request is flushed immediately and not
914: ** buffered in the output buffer
915: */
916: if (me->mode & AMAYA_FLUSH_REQUEST)
917: HTRequest_setFlush(me->request, YES);
918:
919: /* turn on the special preconditions, to avoid having this
920: ressource appear before we do the PUT */
1.168 cvs 921: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 922: me->reqStatus = HT_NEW;
1.168 cvs 923: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
924: return HT_ERROR; /* stop here */
1.176 cvs 925: }
1.168 cvs 926: else
927: {
928: if (prompt)
929: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
930: NULL, NULL, NULL);
931: else
932: force_put = FALSE;
933:
934: if (force_put)
1.151 cvs 935: {
936: /* Start a new PUT request without preconditions */
1.176 cvs 937:
938: /* get a new, clean request structure */
939: HTRequest_delete (me->request);
940: me->request = HTRequest_new ();
941: /* clean the associated file structure) */
942: HTRequest_setOutputStream (me->request, NULL);
943: /* Initialize the other members of the structure */
1.171 cvs 944: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 945: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
946: HTRequest_setContext (me->request, me);
947: HTRequest_setPreemptive (me->request, NO);
948: /*
949: ** Make sure that the first request is flushed immediately and not
950: ** buffered in the output buffer
951: */
952: if (me->mode & AMAYA_FLUSH_REQUEST)
953: HTRequest_setFlush(me->request, YES);
954: /* remove the preconditions */
1.168 cvs 955: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 956: me->reqStatus = HT_NEW;
1.176 cvs 957: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
958: me->dest, me->request);
1.168 cvs 959: return HT_ERROR; /* stop here */
1.151 cvs 960: }
1.168 cvs 961: else
962: {
963: /* we'd need to call terminate_handler, to free the resources */
964: /* abort the request */
965: /* @@ should we call StopRequest here? */
966: me->reqStatus = HT_ABORT;
967: /* stop here */
968: return HT_ERROR;
969: }
970: }
971: return HT_ERROR;
1.151 cvs 972: }
973: #endif /* AMAYA_LOST_UPDATE */
974:
1.5 cvs 975: /*----------------------------------------------------------------------
1.17 cvs 976: terminate_handler
977: this function is registered to handle the result of the request
1.5 cvs 978: ----------------------------------------------------------------------*/
1.4 cvs 979: #if __STDC__
1.7 cvs 980: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 981: #else
982: static int terminate_handler (request, response, context, status)
983: HTRequest *request;
984: HTResponse *response;
985: void *context;
986: int status;
1.123 cvs 987: #endif /* __STDC__ */
1.4 cvs 988: {
1.116 cvs 989: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
990: boolean error_flag;
991: char *content_type;
992:
993: if (!me)
1.153 cvs 994: return HT_ERROR; /* not an Amaya request */
1.116 cvs 995:
996: if (me->reqStatus == HT_END)
997: /* we have already processed this request! */
998: return HT_OK;
999:
1000: /* if Amaya was killed, treat with this request as if it were
1001: issued by a Stop button event */
1002:
1003: if (!AmayaIsAlive ())
1.80 cvs 1004: me->reqStatus = HT_ABORT;
1.74 cvs 1005:
1.77 cvs 1006: if (status == HT_LOADED ||
1007: status == HT_CREATED ||
1.79 cvs 1008: status == HT_NO_DATA ||
1.160 cvs 1009: /* kludge for work around libwww problem */
1010: (status == HT_INTERRUPTED && me->method == METHOD_PUT) ||
1.116 cvs 1011: #ifdef AMAYA_WWW_CACHE
1012: /* what status to use to know we're downloading from a cache? */
1013: status == HT_NOT_MODIFIED ||
1014: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 1015: me->reqStatus == HT_ABORT)
1.74 cvs 1016: error_flag = FALSE;
1.13 cvs 1017: else
1.74 cvs 1018: error_flag = TRUE;
1.130 cvs 1019:
1.4 cvs 1020: /* output any errors from the server */
1.130 cvs 1021:
1.77 cvs 1022: /*
1.74 cvs 1023: ** me->output = output file which will receive an html file
1024: ** me->error_html = yes, output HTML errors in the screen
1025: ** request->error_stack == if there are any errors, they will be here
1026: ** me->error_stream_size If it's != 0 means an error message has already
1027: ** been written to the stack
1028: */
1029:
1.4 cvs 1030: /* First, we verify if there are any errors and if they are not
1.17 cvs 1031: ** yet written to the error stack. If no, then let's try to write them
1032: ** ourselves
1033: */
1.74 cvs 1034:
1035: #ifdef DEBUG_LIBWWW
1036: fprintf (stderr, "terminate_handler: URL is "
1037: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1038: status);
1.69 cvs 1039: #endif
1.74 cvs 1040:
1.69 cvs 1041: if (me->output && me->output != stdout)
1042: {
1.74 cvs 1043: /* we are writing to a file */
1044: if (me->reqStatus != HT_ABORT)
1045: { /* if the request was not aborted and */
1.80 cvs 1046: if (error_flag &&
1047: me->error_html == TRUE)
1048: /* there were some errors and we want to print them */
1049: {
1050: if (me->error_stream_size == 0)/* and the stream is empty */
1051: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 1052: **the error stack
1.77 cvs 1053: ** into the error stream */
1.80 cvs 1054: if (me->error_stream)
1055: { /* if the stream is non-empty */
1056: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 1057: /* Clear the error context, so that we can deal with
1058: this answer as if it were a normal reply */
1059: HTError_deleteAll( HTRequest_error (request));
1060: HTRequest_setError (request, NULL);
1061: error_flag = 0;
1.74 cvs 1062: }
1063: } /* if error_stack */
1.85 cvs 1064: }
1065:
1066: /* if != HT_ABORT */
1067:
1068: #ifdef DEBUG_LIBWWW
1069: fprintf (stderr, "terminate_handler: URL is %s, closing "
1070: "FILE %p\n", me->urlName, me->output);
1071: #endif
1.74 cvs 1072: fclose (me->output);
1073: me->output = NULL;
1.69 cvs 1074: }
1.80 cvs 1075:
1076: if (error_flag)
1077: me->reqStatus = HT_ERR;
1078: else if (me->reqStatus != HT_ABORT)
1079: me->reqStatus = HT_END;
1.151 cvs 1080:
1.116 cvs 1081: /* copy the content_type */
1.151 cvs 1082: if (!me->content_type)
1.88 cvs 1083: {
1.176 cvs 1084: if (response && HTResponse_format (response))
1085: content_type = HTAtom_name (HTResponse_format (response));
1.154 cvs 1086: else
1087: content_type = "www/unknown";
1088:
1.151 cvs 1089: if (content_type && content_type [0] != EOS)
1090: {
1091: /* libwww gives www/unknown when it gets an error. As this is
1092: an HTML test, we force the type to text/html */
1093: if (!strcmp (content_type, "www/unknown"))
1094: me->content_type = TtaStrdup ("text/html");
1095: else
1096: me->content_type = TtaStrdup (content_type);
1097:
1098: /* Content-Type can be specified by an httpd server's admin.
1099: To be on the safe side, we normalize its case */
1100: ConvertToLowerCase (me->content_type);
1101:
1.88 cvs 1102: #ifdef DEBUG_LIBWWW
1.151 cvs 1103: fprintf (stderr, "content type is: %s\n", me->content_type);
1.88 cvs 1104: #endif /* DEBUG_LIBWWW */
1.151 cvs 1105: }
1106: }
1.114 cvs 1107:
1.115 cvs 1108: /* to avoid a hangup while downloading css files */
1.140 cvs 1109: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.116 cvs 1110: TtaSetStatus (me->docid, 1,
1111: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1112: me->status_urlName);
1113:
1114: /* don't remove or Xt will hang up during the PUT */
1115: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1116: (me->method == METHOD_PUT)))
1.7 cvs 1117: {
1.80 cvs 1118: PrintTerminateStatus (me, status);
1119: }
1.114 cvs 1120:
1.111 cvs 1121: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1122:
1.151 cvs 1123: /* stop here */
1.150 cvs 1124: return HT_ERROR;
1.4 cvs 1125: }
1126:
1.5 cvs 1127: /*----------------------------------------------------------------------
1.17 cvs 1128: AHTLoadTerminate_handler
1.74 cvs 1129: this is an application "AFTER" Callback. It's called by the library
1130: when a request has ended, so that we can setup the correct status.
1.5 cvs 1131: ----------------------------------------------------------------------*/
1.4 cvs 1132:
1133: #ifdef __STDC__
1.111 cvs 1134: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 1135: #else
1.111 cvs 1136: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 1137: HTRequest *request;
1138: HTResponse *response;
1139: void *param;
1140: int status;
1.69 cvs 1141:
1.4 cvs 1142: #endif
1143: {
1.116 cvs 1144:
1145: /** @@@@ use this with printstatus ?? */
1146:
1.4 cvs 1147: AHTReqContext *me = HTRequest_context (request);
1148: HTAlertCallback *cbf;
1149: AHTDocId_Status *docid_status;
1150:
1.7 cvs 1151: switch (status)
1.116 cvs 1152: {
1153: case HT_LOADED:
1154: if (PROT_TRACE)
1155: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1156: me->status_urlName);
1.4 cvs 1157:
1.116 cvs 1158: docid_status = GetDocIdStatus (me->docid,
1159: Amaya->docid_status);
1.7 cvs 1160:
1.116 cvs 1161: if (docid_status != NULL && docid_status->counter > 1)
1162: TtaSetStatus (me->docid, 1,
1163: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.74 cvs 1164: me->status_urlName);
1.7 cvs 1165: break;
1.116 cvs 1166:
1167: case HT_NO_DATA:
1168: if (PROT_TRACE)
1169: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1170: me->status_urlName);
1171: TtaSetStatus (me->docid, 1,
1172: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1173: me->status_urlName);
1174: break;
1175:
1176: case HT_INTERRUPTED:
1177: if (PROT_TRACE)
1178: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1179: me->status_urlName);
1180: TtaSetStatus (me->docid, 1,
1181: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1182: NULL);
1183: break;
1.7 cvs 1184:
1.116 cvs 1185: case HT_RETRY:
1186: if (PROT_TRACE)
1187: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1188: HTResponse_retryTime (response));
1189: TtaSetStatus (me->docid, 1,
1190: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1191: me->status_urlName);
1192: break;
1.7 cvs 1193:
1.116 cvs 1194: case HT_ERROR:
1195: cbf = HTAlert_find (HT_A_MESSAGE);
1196: if (cbf)
1197: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1198: HTRequest_error (request), NULL);
1199: break;
1200:
1201: if (PROT_TRACE)
1202: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1203: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1204: TtaSetStatus (me->docid, 1,
1205: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1206: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1207: break;
1208: default:
1209: if (PROT_TRACE)
1210: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1211: break;
1212: }
1213:
1214: return HT_OK;
1215: }
1.7 cvs 1216:
1.116 cvs 1217: #ifdef DEBUG_LIBWWW
1218: static int LineTrace (const char * fmt, va_list pArgs)
1219: {
1220: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 1221: }
1.116 cvs 1222: #endif DEBUG_LIBWWW
1.4 cvs 1223:
1.27 cvs 1224: /*----------------------------------------------------------------------
1225: AHTAcceptTypesInit
1.74 cvs 1226: This function prepares the Accept header used by Amaya during
1227: the HTTP content negotiation phase
1.27 cvs 1228: ----------------------------------------------------------------------*/
1229: #ifdef __STDC__
1230: static void AHTAcceptTypesInit (HTList *c)
1231: #else /* __STDC__ */
1232: static void AHTAcceptTypesInit (c)
1233: HTList *c;
1234: #endif /* __STDC__ */
1235: {
1236: if (c == (HTList *) NULL)
1237: return;
1238:
1239: /* define here all the mime types that Amaya can accept */
1240:
1.74 cvs 1241: HTConversion_add (c, "image/png", "www/present",
1242: HTThroughLine, 1.0, 0.0, 0.0);
1243: HTConversion_add (c, "image/jpeg", "www/present",
1244: HTThroughLine, 1.0, 0.0, 0.0);
1245: HTConversion_add (c, "image/gif", "www/present",
1246: HTThroughLine, 1.0, 0.0, 0.0);
1247: HTConversion_add (c, "image/xbm", "www/present",
1248: HTThroughLine, 1.0, 0.0, 0.0);
1249: HTConversion_add (c, "image/xpm", "www/present",
1250: HTThroughLine, 1.0, 0.0, 0.0);
1251: HTConversion_add (c, "application/postscript",
1252: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 1253:
1.27 cvs 1254: /* Define here the equivalences between MIME types and file extensions for
1255: the types that Amaya can display */
1256:
1.176 cvs 1257: /* Initialize suffix bindings for local files */
1258: HTBind_init();
1259:
1.27 cvs 1260: /* Register the default set of file suffix bindings */
1261: HTFileInit ();
1262:
1263: /* Don't do any case distinction */
1264: HTBind_caseSensitive (FALSE);
1265: }
1.4 cvs 1266:
1.5 cvs 1267: /*----------------------------------------------------------------------
1.17 cvs 1268: AHTConverterInit
1269: Bindings between a source media type and a destination media type
1270: (conversion).
1.5 cvs 1271: ----------------------------------------------------------------------*/
1.15 cvs 1272: #ifdef __STDC__
1273: static void AHTConverterInit (HTList *c)
1274: #else /* __STDC__ */
1275: static void AHTConverterInit (c)
1276: HTList *c;
1277: #endif /* __STDC__ */
1.4 cvs 1278: {
1279:
1280: /* Handler for custom http error messages */
1.7 cvs 1281: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1282:
1283: /*
1284: ** These are converters that converts to something other than www/present,
1285: ** that is not directly outputting someting to the user on the screen
1286: */
1287:
1.116 cvs 1288: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert,
1289: 1.0, 0.0, 0.0);
1.4 cvs 1290: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
1291: 1.0, 0.0, 0.0);
1292: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
1293: 1.0, 0.0, 0.0);
1.116 cvs 1294: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue,
1295: 1.0, 0.0, 0.0);
1296: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial,
1297: 1.0, 0.0, 0.0);
1.4 cvs 1298: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
1299: 1.0, 0.0, 0.0);
1300: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
1301: 1.0, 0.0, 0.0);
1302:
1303: /*
1.116 cvs 1304: ** The following conversions are converting ASCII output from various
1305: ** protocols to HTML objects.
1306: */
1.4 cvs 1307: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
1308: 1.0, 0.0, 0.0);
1309:
1310: /*
1.116 cvs 1311: ** We also register a special content type guess stream that can figure out
1312: ** the content type by reading the first bytes of the stream
1313: */
1.4 cvs 1314: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
1315: 1.0, 0.0, 0.0);
1316:
1.116 cvs 1317: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1318: /*
1.116 cvs 1319: ** Register a persistent cache stream which can save an object to local
1320: ** file
1321: */
1.4 cvs 1322: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
1323: 1.0, 0.0, 0.0);
1.116 cvs 1324: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend,
1325: 1.0, 0.0, 0.0);
1326: #endif AMAYA_WWW_CACHE
1.4 cvs 1327:
1328: /*
1.116 cvs 1329: ** This dumps all other formats to local disk without any further
1330: ** action taken
1331: */
1.4 cvs 1332: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
1333: 0.3, 0.0, 0.0);
1.116 cvs 1334:
1.4 cvs 1335: }
1336:
1.27 cvs 1337:
1.15 cvs 1338: /*----------------------------------------------------------------------
1.17 cvs 1339: AHTProtocolInit
1340: Registers all amaya supported protocols.
1.15 cvs 1341: ----------------------------------------------------------------------*/
1.4 cvs 1342: static void AHTProtocolInit (void)
1343: {
1.116 cvs 1344: char *strptr;
1.4 cvs 1345:
1.116 cvs 1346: /*
1347: NB. Preemptive == YES means Blocking requests
1348: Non-preemptive == NO means Non-blocking requests
1349: */
1350: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1351: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1352: HTBufferWriter_new);
1353: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1354: #ifdef _WINDOWS
1355: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1356: #else
1.116 cvs 1357: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.136 cvs 1358: #endif _WINDOWS
1.116 cvs 1359: #ifdef AMAYA_WWW_CACHE
1360: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1361: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1362: #if 0 /* experimental code */
1.116 cvs 1363: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1364: #endif
1.116 cvs 1365:
1366: /* initialize pipelining */
1.168 cvs 1367: strptr = (char *) TtaGetEnvString ("ENABLE_PIPELINING");
1.116 cvs 1368: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1369: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1370: }
1371:
1.15 cvs 1372: /*----------------------------------------------------------------------
1.17 cvs 1373: AHTNetInit
1374: Reegisters "before" and "after" request filters.
1.15 cvs 1375: ----------------------------------------------------------------------*/
1.4 cvs 1376: static void AHTNetInit (void)
1377: {
1378:
1379: /* Register BEFORE filters
1.74 cvs 1380: ** The BEFORE filters handle proxies, caches, rule files etc.
1381: ** The filters are called in the order by which the are registered
1382: ** Not done automaticly - may be done by application!
1383: */
1.4 cvs 1384:
1.116 cvs 1385: #ifdef AMAYA_WWW_CACHE
1386: HTNet_addBefore (HTCacheFilter, "http://*", NULL, HT_FILTER_MIDDLE);
1387: #endif /* AMAYA_WWW_CACHE */
1388: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1389: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1390: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1391:
1392: /* register AFTER filters
1.74 cvs 1393: ** The AFTER filters handle error messages, logging, redirection,
1394: ** authentication etc.
1395: ** The filters are called in the order by which the are registered
1396: ** Not done automaticly - may be done by application!
1397: */
1.4 cvs 1398:
1.116 cvs 1399: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
1400: HT_FILTER_MIDDLE);
1401: HTNet_addAfter(HTAuthFilter, "http://*", NULL, HT_REAUTH,
1402: HT_FILTER_MIDDLE);
1403: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
1404: HT_FILTER_MIDDLE);
1405: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND,
1406: HT_FILTER_MIDDLE);
1407: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER,
1408: HT_FILTER_MIDDLE);
1409: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
1410: HT_FILTER_MIDDLE);
1.168 cvs 1411: HTNet_addAfter(HTAuthInfoFilter, "http://*", NULL, HT_ALL,
1412: HT_FILTER_MIDDLE);
1.116 cvs 1413: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
1414: HT_FILTER_MIDDLE);
1415: #ifdef AMAYA_WWW_CACHE
1416: HTNet_addAfter (HTCacheUpdateFilter, "http://*", NULL, HT_NOT_MODIFIED,
1417: HT_FILTER_MIDDLE);
1418: #endif /* AMAYA_WWW_CACHE */
1.151 cvs 1419: #ifdef AMAYA_LOST_UPDATE
1420: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED,
1421: HT_FILTER_MIDDLE);
1422: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1423: #ifndef _WINDOWS
1.116 cvs 1424: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL,
1425: HT_FILTER_LAST);
1.111 cvs 1426: #endif /* !_WINDOWS */
1.116 cvs 1427: /**** for later ?? ****/
1428: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1429: /* handles all errors */
1.116 cvs 1430: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1431: }
1432:
1.15 cvs 1433: /*----------------------------------------------------------------------
1.17 cvs 1434: AHTAlertInit
1435: Register alert messages and their callbacks.
1.15 cvs 1436: ----------------------------------------------------------------------*/
1437: #ifdef __STDC__
1438: static void AHTAlertInit (void)
1439: #else
1440: static void AHTAlertInit ()
1441: #endif
1442: {
1443: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1444: #ifdef __WINDOWS
1.70 cvs 1445: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1446: #endif /* _WINDOWS */
1.15 cvs 1447: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1448: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1449: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1450: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1451: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1452: }
1453:
1.128 cvs 1454: /*----------------------------------------------------------------------
1455: libwww_CleanCache
1456: frontend to the recursive cache cleaning function
1457: ----------------------------------------------------------------------*/
1458: #ifdef __STDC__
1459: void libwww_CleanCache (void)
1460: #else
1461: void libwww_CleanCache ()
1462: Document doc;
1463: View view;
1464: #endif /* __STDC__ */
1465: {
1.130 cvs 1466: #ifdef AMAYA_WWW_CACHE
1.128 cvs 1467: char *strptr;
1468: char *cache_dir;
1469: int cache_size;
1.177 cvs 1470: int cache_expire;
1471: int cache_disconnect;
1.130 cvs 1472:
1.128 cvs 1473: if (!HTCacheMode_enabled ())
1474: /* don't do anything if we're not using a cache */
1475: return;
1476: /* temporarily close down the cache, purge it, then restart */
1.130 cvs 1477: cache_dir = TtaStrdup ( (char *) HTCacheMode_getRoot ());
1.128 cvs 1478: cache_size = HTCacheMode_maxSize ();
1.177 cvs 1479: cache_expire = HTCacheMode_expires ();
1480: cache_disconnect = HTCacheMode_disconnected ();
1481:
1.130 cvs 1482: /* remove the concurrent cache lock */
1483: #ifdef DEBUG_LIBWWW
1484: fprintf (stderr, "Clearing the cache lock\n");
1485: #endif /* DEBUG_LIBWWW */
1486: clear_cachelock ();
1.128 cvs 1487: HTCacheTerminate ();
1.130 cvs 1488: HTCacheMode_setEnabled (NO);
1489: strptr = TtaGetMemory (strlen (cache_dir) + 20);
1.128 cvs 1490: strcpy (strptr, cache_dir);
1491: strcat (strptr, DIR_STR);
1492:
1493: RecCleanCache (strptr);
1494:
1.177 cvs 1495: HTCacheMode_setExpires (cache_expire);
1496: HTCacheMode_setDisconnected (cache_disconnect);
1.128 cvs 1497: HTCacheInit (cache_dir, cache_size);
1.130 cvs 1498: /* set a new concurrent cache lock */
1.132 cvs 1499: strcat (strptr, ".lock");
1.130 cvs 1500: if (set_cachelock (strptr) == -1)
1501: /* couldn't open the .lock file, so, we close the cache to
1502: be in the safe side */
1503: {
1504: #ifdef DEBUG_LIBWWW
1505: fprintf (stderr, "couldnt set the cache lock\n");
1506: #endif /* DEBUG_LIBWWW */
1507: HTCacheTerminate ();
1508: HTCacheMode_setEnabled (NO);
1509: }
1510: #ifdef DEBUG_LIBWWW
1511: fprintf (stderr, "set a cache lock\n");
1512: #endif /* DEBUG_LIBWWW */
1513: TtaFreeMemory (strptr);
1.128 cvs 1514: TtaFreeMemory (cache_dir);
1515: #endif /* AMAYA_WWW_CACHE */
1516: }
1517:
1.118 cvs 1518: #ifdef AMAYA_WWW_CACHE
1519: /*----------------------------------------------------------------------
1.128 cvs 1520: RecCleanCache
1.118 cvs 1521: Clears an existing cache directory
1522: ----------------------------------------------------------------------*/
1523: #ifdef __STDC__
1.128 cvs 1524: static void RecCleanCache (char *dirname)
1.118 cvs 1525: #else
1.128 cvs 1526: static void RecCleanCache (char *dirname)
1527: Document doc;
1528: View view;
1.118 cvs 1529: #endif /* __STDC__ */
1.128 cvs 1530:
1531: #ifdef _WINDOWS
1532: {
1533: HANDLE hFindFile;
1534: boolean status;
1535: WIN32_FIND_DATA ffd;
1536:
1537: char t_dir [MAX_LENGTH];
1.130 cvs 1538: char *ptr;
1.128 cvs 1539:
1.130 cvs 1540: /* create a t_dir name to start searching for files */
1.128 cvs 1541: if ((strlen (dirname) + 10) > MAX_LENGTH)
1542: /* ERROR: directory name is too big */
1543: return;
1544:
1545: strcpy (t_dir, dirname);
1.130 cvs 1546: /* save the end of the dirname. We'll use it to make
1547: a complete pathname when erasing files */
1548: ptr = &t_dir[strlen (t_dir)];
1549: strcat (t_dir, "*");
1.128 cvs 1550:
1.130 cvs 1551: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1552:
1553: if (hFindFile == INVALID_HANDLE_VALUE)
1554: /* nothing to erase? */
1555: return;
1556:
1557: status = TRUE;
1.130 cvs 1558: while (status)
1559: {
1560: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1561: {
1562: /* it's a directory, erase it recursively */
1563: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1564: {
1565: strcpy (ptr, ffd.cFileName);
1566: strcat (ptr, DIR_STR);
1567: RecCleanCache (t_dir);
1.137 cvs 1568: # ifdef _WINDOWS
1569: _rmdir (t_dir);
1570: # else /* !_WINDOWS */
1.133 cvs 1571: rmdir (t_dir);
1.137 cvs 1572: # endif /* _WINDOWS */
1.133 cvs 1573: }
1574: }
1575: else
1.130 cvs 1576: {
1.133 cvs 1577: /* it's a file, erase it */
1.130 cvs 1578: strcpy (ptr, ffd.cFileName);
1.133 cvs 1579: TtaFileUnlink (t_dir);
1.130 cvs 1580: }
1581: status = FindNextFile (hFindFile, &ffd);
1582: }
1.128 cvs 1583: FindClose (hFindFile);
1584: }
1585:
1586: #else /* _WINDOWS */
1.118 cvs 1587: {
1588: DIR *dp;
1589: struct stat st;
1590: #ifdef HAVE_DIRENT_H
1591: struct dirent *d;
1592: #else
1593: struct direct *d;
1594: #endif /* HAVE_DIRENT_H */
1.128 cvs 1595: char filename[BUFSIZ+1];
1.118 cvs 1596:
1597: if ((dp = opendir (dirname)) == NULL)
1598: {
1599: /* @@@ we couldn't open the directory ... we need some msg */
1600: perror (dirname);
1.176 cvs 1601: return;
1.118 cvs 1602: }
1603:
1604: while ((d = readdir (dp)) != NULL)
1605: {
1606: /* skip the UNIX . and .. links */
1607: if (!strcmp (d->d_name, "..")
1608: || !strcmp (d->d_name, "."))
1609: continue;
1610:
1.128 cvs 1611: sprintf (filename, "%s"DIR_STR"%s", dirname, d->d_name);
1.118 cvs 1612: if (lstat (filename, &st) < 0 )
1613: {
1614: /* @@2 need some error message */
1615: perror (filename);
1616: continue;
1617: }
1618:
1619: switch (st.st_mode & S_IFMT)
1620: {
1621: case S_IFDIR:
1622: /* if we find a directory, we erase it, recursively */
1.128 cvs 1623: strcat (filename, DIR_STR);
1624: RecCleanCache (filename);
1625: rmdir (filename);
1.118 cvs 1626: break;
1627: case S_IFLNK:
1628: /* skip any links we find */
1629: continue;
1630: break;
1631: default:
1632: /* erase the filename */
1633: TtaFileUnlink (filename);
1634: break;
1635: }
1636: }
1637: closedir (dp);
1638: }
1.128 cvs 1639: #endif /* _WINDOWS */
1.118 cvs 1640: #endif /* AMAYA_WWW_CACHE */
1641:
1.116 cvs 1642: /*----------------------------------------------------------------------
1643: CacheInit
1644: Reads the cache settings from the thot.ini file.
1645: ----------------------------------------------------------------------*/
1.118 cvs 1646: #ifdef __STDC__
1.116 cvs 1647: static void CacheInit (void)
1.118 cvs 1648: #else
1649: static void Cacheinit ()
1650: #endif
1651:
1.116 cvs 1652: {
1653: #ifndef AMAYA_WWW_CACHE
1654: HTCacheMode_setEnabled (NO);
1655:
1656: #else /* AMAYA_WWW_CACHE */
1657: char *strptr;
1658: char *cache_dir = NULL;
1.130 cvs 1659: char *cache_lockfile;
1660: int cache_size;
1.176 cvs 1661: int cache_entry_size;
1.130 cvs 1662: boolean cache_enabled;
1663: boolean cache_locked;
1.177 cvs 1664: boolean tmp_bool;
1.130 cvs 1665:
1.116 cvs 1666: /* activate cache? */
1.165 cvs 1667: strptr = (char *) TtaGetEnvString ("ENABLE_CACHE");
1.152 cvs 1668: if (strptr && *strptr && strcasecmp (strptr, "yes" ))
1.130 cvs 1669: cache_enabled = NO;
1.116 cvs 1670: else
1.130 cvs 1671: cache_enabled = YES;
1.116 cvs 1672:
1.151 cvs 1673: /* cache protected documents? */
1.152 cvs 1674: strptr = (char *) TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1675: if (strptr && *strptr && !strcasecmp (strptr, "yes" ))
1.151 cvs 1676: HTCacheMode_setProtected (YES);
1677: else
1678: HTCacheMode_setProtected (NO);
1679:
1.116 cvs 1680: /* get the cache dir (or use a default one) */
1681: strptr = (char *) TtaGetEnvString ("CACHE_DIR");
1682: if (strptr && *strptr)
1683: {
1684: cache_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 1);
1685: strcpy (cache_dir, strptr);
1686: }
1687: else
1688: {
1.122 cvs 1689: cache_dir = TtaGetMemory (strlen (TempFileDirectory)
1.116 cvs 1690: + strlen (CACHE_DIR_NAME) + 1);
1.122 cvs 1691: strcpy (cache_dir, TempFileDirectory);
1.116 cvs 1692: }
1693: strcat (cache_dir, CACHE_DIR_NAME);
1694:
1695: /* get the cache size (or use a default one) */
1696: strptr = (char *) TtaGetEnvString ("CACHE_SIZE");
1697: if (strptr && *strptr)
1698: cache_size = atoi (strptr);
1699: else
1700: cache_size = DEFAULT_CACHE_SIZE;
1701:
1.176 cvs 1702: /* get the max cached file size (or use a default one) */
1703: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1704: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1705:
1.130 cvs 1706: if (cache_enabled)
1.116 cvs 1707: {
1708: /* how to remove the lock? force remove it? */
1.130 cvs 1709: cache_lockfile = TtaGetMemory (strlen (cache_dir) + 20);
1710: strcpy (cache_lockfile, cache_dir);
1711: strcat (cache_lockfile, DIR_STR".lock");
1712: cache_locked = FALSE;
1713: if (TtaFileExist (cache_lockfile)
1714: && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 1715: {
1.130 cvs 1716: #ifdef DEBUG_LIBWWW
1717: fprintf (stderr, "found a stale cache, removing it\n");
1718: #endif /* DEBUG_LIBWWW */
1719: /* remove the lock and clean the cache (the clean cache
1720: will remove all, making the following call unnecessary */
1721: /* little trick to win some memory */
1722: strptr = strrchr (cache_lockfile, '.');
1723: *strptr = EOS;
1724: RecCleanCache (cache_lockfile);
1725: *strptr = '.';
1.116 cvs 1726: }
1727:
1.130 cvs 1728: if (!cache_locked)
1729: {
1730: /* initialize the cache if there's no other amaya
1731: instance running */
1.177 cvs 1732: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1733: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool)
1734: && tmp_bool)
1735: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
1736: else
1737: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1738: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1739: if (tmp_bool)
1740: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
1741: else
1742: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.130 cvs 1743: HTCacheInit (cache_dir, cache_size);
1744: if (set_cachelock (cache_lockfile) == -1)
1745: /* couldn't open the .lock file, so, we close the cache to
1746: be in the safe side */
1747: {
1748: HTCacheTerminate ();
1749: HTCacheMode_setEnabled (NO);
1750: #ifdef DEBUG_LIBWWW
1751: fprintf (stderr, "couldnt set the cache lock\n");
1752: #endif /* DEBUG_LIBWWW */
1753: }
1754: #ifdef DEBUG_LIBWWW
1755: else
1756: fprintf (stderr, "created the cache lock\n");
1757: #endif /* DEBUG_LIBWWW */
1758: }
1759: else
1760: {
1761: HTCacheMode_setEnabled (NO);
1762: #ifdef DEBUG_LIBWWW
1763: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1764: #endif /* DEBUG_LIBWWW */
1765: }
1766: TtaFreeMemory (cache_lockfile);
1.116 cvs 1767: }
1768: else
1769: HTCacheMode_setEnabled (NO);
1770:
1771: if (cache_dir)
1772: TtaFreeMemory (cache_dir);
1773: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1774: }
1775:
1776: /*----------------------------------------------------------------------
1.97 cvs 1777: ProxyInit
1778: Reads any proxies settings which may be declared as environmental
1779: variables or in the thot.ini file. The former overrides the latter.
1780: ----------------------------------------------------------------------*/
1.118 cvs 1781: #ifdef __STDC__
1.97 cvs 1782: static void ProxyInit (void)
1.118 cvs 1783: #else
1784: static void ProxyInit ()
1785: #endif /* __STDC__ */
1.97 cvs 1786: {
1787: char *strptr;
1788: char *str = NULL;
1789: char *name;
1790:
1791: /* get the proxy settings from the thot.ini file */
1792: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1793: if (strptr && *strptr)
1794: HTProxy_add ("http", strptr);
1795: /* get the no_proxy settings from the thot.ini file */
1796: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1797: if (strptr && *strptr)
1798: {
1799: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1800: strptr = str;
1801: while ((name = HTNextField (&strptr)) != NULL) {
1802: char *portstr = strchr (name, ':');
1803: unsigned port=0;
1804: if (portstr) {
1805: *portstr++ = '\0';
1.116 cvs 1806: if (*portstr) port = (unsigned) atoi (portstr);
1.97 cvs 1807: }
1808: /* Register it for all access methods */
1809: HTNoProxy_add (name, NULL, port);
1810: }
1811: TtaFreeMemory (str);
1812: }
1813:
1814: /* use libw3's routine to get all proxy settings from the environment */
1815: HTProxy_getEnvVar ();
1816: }
1817:
1818:
1819: /*----------------------------------------------------------------------
1.17 cvs 1820: AHTProfile_newAmaya
1821: creates the Amaya client profile for libwww.
1.15 cvs 1822: ----------------------------------------------------------------------*/
1823: #ifdef __STDC__
1824: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1825: #else /* __STDC__ */
1826: static void AHTProfile_newAmaya (AppName, AppVersion)
1827: char *AppName;
1828: char *AppVersion;
1829: #endif /* __STDC__ */
1.4 cvs 1830: {
1.158 cvs 1831: char * strptr;
1832:
1.4 cvs 1833: /* If the Library is not already initialized then do it */
1834: if (!HTLib_isInitialized ())
1835: HTLibInit (AppName, AppVersion);
1836:
1837: if (!converters)
1838: converters = HTList_new ();
1.27 cvs 1839: if (!acceptTypes)
1840: acceptTypes = HTList_new ();
1.151 cvs 1841: if (!transfer_encodings)
1842: transfer_encodings = HTList_new ();
1843: if (!content_encodings)
1844: content_encodings = HTList_new ();
1.4 cvs 1845:
1.169 cvs 1846: /* inhibits libwww's automatic file_suffix_binding */
1847: HTFile_doFileSuffixBinding (FALSE);
1848:
1.4 cvs 1849: /* Register the default set of transport protocols */
1850: HTTransportInit ();
1851:
1852: /* Register the default set of application protocol modules */
1853: AHTProtocolInit ();
1854:
1.116 cvs 1855: /* Register the default set of messages and dialog functions */
1856: AHTAlertInit ();
1857: HTAlert_setInteractive (YES);
1858:
1859: #ifdef AMAYA_WWW_CACHE
1860: /* Enable the persistent cache */
1861: CacheInit ();
1862: #else
1863: HTCacheMode_setEnabled (NO);
1864: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 1865:
1866: /* Register the default set of BEFORE and AFTER filters */
1867: AHTNetInit ();
1868:
1869: /* Set up the default set of Authentication schemes */
1.167 cvs 1870: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL,
1871: HTBasic_delete);
1.158 cvs 1872: /* activate MDA by defaul */
1873: strptr = (char *) TtaGetEnvString ("ENABLE_MDA");
1874: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no" )))
1875: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse,
1.167 cvs 1876: HTDigest_updateInfo, HTDigest_delete);
1.4 cvs 1877:
1.97 cvs 1878: /* Get any proxy settings */
1879: ProxyInit ();
1.4 cvs 1880:
1881: /* Register the default set of converters */
1882: AHTConverterInit (converters);
1.151 cvs 1883: HTFormat_setConversion (converters);
1.27 cvs 1884: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1885:
1886: /* Register the default set of transfer encoders and decoders */
1.151 cvs 1887: HTTransferEncoderInit (transfer_encodings);
1.181 ! cvs 1888: /* ignore all other encoding formats (or libwww will send them
! 1889: thru a blackhole otherwise */
! 1890: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
! 1891:
1.151 cvs 1892: HTFormat_setTransferCoding(transfer_encodings);
1893:
1894: /* Register the default set of content encoders and decoders */
1895: HTContentEncoderInit(content_encodings);
1896: if (HTList_count(content_encodings) > 0)
1897: HTFormat_setContentCoding(content_encodings);
1898: else
1899: {
1900: HTList_delete(content_encodings);
1901: content_encodings = NULL;
1902: }
1.4 cvs 1903:
1904: /* Register the default set of MIME header parsers */
1.74 cvs 1905: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1906:
1907: /* Register the default set of Icons for directory listings */
1.27 cvs 1908: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1909: }
1910:
1.5 cvs 1911: /*----------------------------------------------------------------------
1.17 cvs 1912: AHTProfile_delete
1913: deletes the Amaya client profile.
1.5 cvs 1914: ----------------------------------------------------------------------*/
1.4 cvs 1915: #ifdef __STDC__
1916: static void AHTProfile_delete (void)
1917: #else
1918: static void AHTProfile_delete ()
1.7 cvs 1919: #endif /* __STDC__ */
1.4 cvs 1920: {
1.22 cvs 1921:
1922: /* free the Amaya global context */
1.151 cvs 1923:
1924: /* Clean up all the registred converters */
1925: HTFormat_deleteAll ();
1926: if (acceptTypes)
1.74 cvs 1927: HTConversion_deleteAll (acceptTypes);
1.151 cvs 1928:
1.74 cvs 1929: HTList_delete (Amaya->docid_status);
1930: HTList_delete (Amaya->reqlist);
1931: TtaFreeMemory (Amaya);
1.61 cvs 1932:
1.151 cvs 1933: if (HTLib_isInitialized ())
1.74 cvs 1934:
1.120 cvs 1935: #ifdef _WINDOWS
1.151 cvs 1936: HTEventTerminate ();
1.120 cvs 1937: #endif _WINDOWS;
1.74 cvs 1938:
1.151 cvs 1939: /* Clean up the persistent cache (if any) */
1.116 cvs 1940: #ifdef AMAYA_WWW_CACHE
1.151 cvs 1941: clear_cachelock ();
1942: HTCacheTerminate ();
1.116 cvs 1943: #endif /* AMAYA_WWW_CACHE */
1.74 cvs 1944:
1.151 cvs 1945: /* Terminate libwww */
1946: HTLibTerminate ();
1.4 cvs 1947: }
1948:
1.5 cvs 1949: /*----------------------------------------------------------------------
1.116 cvs 1950: AmayacontextInit
1951: initializes an internal Amaya context for our libwww interface
1952: ----------------------------------------------------------------------*/
1953: #ifdef __STDC__
1954: static void AmayaContextInit ()
1955: #else
1956: static void AmayaContextInit ()
1957: #endif
1958:
1959: {
1.140 cvs 1960: AmayaAlive_flag = TRUE;
1.116 cvs 1961: /* Initialization of the global context */
1962: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1963: Amaya->reqlist = HTList_new ();
1964: Amaya->docid_status = HTList_new ();
1965: Amaya->open_requests = 0;
1966: }
1967:
1968: /*----------------------------------------------------------------------
1.17 cvs 1969: QueryInit
1970: initializes the libwww interface
1.5 cvs 1971: ----------------------------------------------------------------------*/
1.4 cvs 1972: #ifdef __STDC__
1973: void QueryInit ()
1974: #else
1975: void QueryInit ()
1976: #endif
1977: {
1.151 cvs 1978: char *strptr;
1979: int tmp_i;
1980: long tmp_l;
1.4 cvs 1981:
1.116 cvs 1982: AmayaContextInit ();
1.4 cvs 1983: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 1984: CanDoStop_set (TRUE);
1.4 cvs 1985:
1.116 cvs 1986: #ifdef _WINDOWS
1.125 cvs 1987: HTEventInit ();
1.116 cvs 1988: #endif /* _WINDOWS */
1.72 cvs 1989:
1.123 cvs 1990: #ifndef _WINDOWS
1.116 cvs 1991: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
1992: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.120 cvs 1993: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
1994: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 1995: #endif /* !_WINDOWS */
1.148 cvs 1996:
1.176 cvs 1997: WWW_TraceFlag = 0;
1.74 cvs 1998: #ifdef DEBUG_LIBWWW
1.116 cvs 1999: /* forwards error messages to our own function */
2000: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2001: HTTrace_setCallback(LineTrace);
1.4 cvs 2002: /* Trace activation (for debugging) */
1.148 cvs 2003: /***
1.138 cvs 2004: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2005: WWW_TraceFlag |= 0xFFFFFFFFl;
2006: ***/
1.152 cvs 2007: #endif
2008:
1.148 cvs 2009: /* Setting up different network parameters */
1.151 cvs 2010:
1.148 cvs 2011: /* Maximum number of simultaneous open sockets */
1.151 cvs 2012: strptr = (char *) TtaGetEnvString ("MAX_SOCKET");
2013: if (strptr && *strptr)
2014: tmp_i = atoi (strptr);
2015: else
2016: tmp_i = DEFAULT_MAX_SOCKET;
2017: HTNet_setMaxSocket (tmp_i);
2018:
1.148 cvs 2019: /* different network services timeouts */
1.151 cvs 2020: /* dns timeout */
2021: strptr = (char *) TtaGetEnvString ("DNS_TIMEOUT");
2022: if (strptr && *strptr)
2023: tmp_i = atoi (strptr);
2024: else
2025: tmp_i = DEFAULT_DNS_TIMEOUT;
2026: HTDNS_setTimeout (tmp_i);
2027:
2028: /* persistent connections timeout */
1.152 cvs 2029: strptr = (char *) TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2030: if (strptr && *strptr)
2031: tmp_l = atol (strptr);
2032: else
2033: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2034: HTHost_setPersistTimeout (tmp_l);
2035:
1.148 cvs 2036: /* default timeout in ms */
1.151 cvs 2037: strptr = (char *) TtaGetEnvString ("NET_EVENT_TIMEOUT");
2038: if (strptr && *strptr)
2039: tmp_i = atoi (strptr);
2040: else
2041: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2042: HTHost_setEventTimeout (tmp_i);
2043:
1.173 cvs 2044: HTRequest_setMaxRetry (8);
1.4 cvs 2045: #ifdef CATCH_SIG
1.148 cvs 2046: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2047: #endif
1.15 cvs 2048: }
2049:
2050: /*----------------------------------------------------------------------
1.17 cvs 2051: LoopForStop
1.136 cvs 2052: a copy of the Thop event loop so we can handle the stop button in Unix
2053: and preemptive requests under Windows
1.15 cvs 2054: ----------------------------------------------------------------------*/
2055: #ifdef __STDC__
2056: static int LoopForStop (AHTReqContext * me)
2057: #else
2058: static int LoopForStop (AHTReqContext * me)
2059: #endif
2060: {
1.136 cvs 2061: #ifdef _WINDOWS
2062: MSG msg;
2063: unsigned long libwww_msg;
2064: HWND old_active_window, libwww_window;
2065: int status_req = HT_OK;
2066:
2067: old_active_window = GetActiveWindow ();
2068: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2069:
1.149 cvs 2070: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
2071: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2072: GetMessage (&msg, NULL, 0, 0))
2073: {
2074: if (msg.message != WM_QUIT)
2075: {
2076: TranslateMessage (&msg);
2077: DispatchMessage (&msg);
2078: }
2079: else
2080: break;
2081: }
1.136 cvs 2082: if (!AmayaIsAlive ())
2083: /* Amaya was killed by one of the callback handlers */
2084: exit (0);
2085: #else /* _WINDOWS */
1.25 cvs 2086: extern ThotAppContext app_cont;
1.51 cvs 2087: XEvent ev;
2088: XtInputMask status;
1.17 cvs 2089: int status_req = HT_OK;
1.15 cvs 2090:
2091: /* to test the async calls */
1.17 cvs 2092: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2093: while (me->reqStatus != HT_ABORT &&
2094: me->reqStatus != HT_END &&
1.69 cvs 2095: me->reqStatus != HT_ERR) {
1.116 cvs 2096: if (!AmayaIsAlive ())
1.69 cvs 2097: /* Amaya was killed by one of the callback handlers */
2098: exit (0);
2099:
2100: status = XtAppPending (app_cont);
1.144 cvs 2101: if (status & XtIMXEvent)
2102: {
2103: XtAppNextEvent (app_cont, &ev);
2104: TtaHandleOneEvent (&ev);
2105: }
2106: else if (status != 0)
2107: XtAppProcessEvent (app_cont, XtIMAll);
1.69 cvs 2108: }
1.136 cvs 2109: #endif /* _WINDOWS */
1.69 cvs 2110: switch (me->reqStatus) {
2111: case HT_ERR:
2112: case HT_ABORT:
1.130 cvs 2113: status_req = NO;
1.15 cvs 2114: break;
2115:
1.69 cvs 2116: case HT_END:
1.130 cvs 2117: status_req = YES;
1.15 cvs 2118: break;
2119:
1.69 cvs 2120: default:
1.15 cvs 2121: break;
1.69 cvs 2122: }
1.15 cvs 2123: return (status_req);
1.4 cvs 2124: }
2125:
1.5 cvs 2126: /*----------------------------------------------------------------------
1.15 cvs 2127: QueryClose
1.21 cvs 2128: closes all existing threads, frees all non-automatically deallocated
2129: memory and then ends libwww.
1.5 cvs 2130: ----------------------------------------------------------------------*/
1.116 cvs 2131: void QueryClose ()
1.4 cvs 2132: {
1.24 cvs 2133:
1.140 cvs 2134: AmayaAlive_flag = FALSE;
1.24 cvs 2135:
1.116 cvs 2136: /* remove all the handlers and callbacks that may output a message to
2137: a non-existent Amaya window */
1.130 cvs 2138: #ifndef _WINDOWS
1.116 cvs 2139: HTNet_deleteAfter (AHTLoadTerminate_handler);
1.130 cvs 2140: #endif _WINDOWS
1.116 cvs 2141: HTNet_deleteAfter (redirection_handler);
2142: HTAlertCall_deleteAll (HTAlert_global () );
2143: HTAlert_setGlobal ((HTList *) NULL);
2144: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2145: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2146: #ifndef _WINDOWS
2147: /** need to erase all existing timers too **/
2148: HTTimer_registerSetTimerCallback (NULL);
2149: HTTimer_registerDeleteTimerCallback (NULL);
2150: #endif /* !_WINDOWS */
2151: HTHost_setActivateRequestCallback (NULL);
2152: Thread_deleteAll ();
1.21 cvs 2153:
1.116 cvs 2154: HTProxy_deleteAll ();
2155: HTNoProxy_deleteAll ();
2156: HTGateway_deleteAll ();
2157: AHTProfile_delete ();
2158: }
2159:
2160: /*----------------------------------------------------------------------
2161: NextNameValue
2162: ---------------------------------------------------------------------*/
2163: #ifdef __STDC__
2164: static char * NextNameValue (char ** pstr, char **name, char **value)
2165: #else
2166: static char * NextNameValue (pstr, name, value);
2167: char ** pstr;
2168: char **name;
2169: char **value;
2170: #endif /* __STDC__ */
2171: {
2172: char * p = *pstr;
2173: char * start = NULL;
2174: if (!pstr || !*pstr) return NULL;
2175:
2176: if (!*p) {
2177: *pstr = p;
2178: *name = NULL;
2179: *value = NULL;
2180: return NULL; /* No field */
2181: }
2182:
2183: /* Now search for the next '&' and ';' delimitators */
2184: start = p;
2185: while (*p && *p != '&' && *p != ';') p++;
2186: if (*p)
2187: *p++ = '\0';
2188: *pstr = p;
2189:
2190: /* Search for the name and value */
2191: *name = start;
2192: p = start;
2193:
2194: while(*p && *p != '=')
2195: p++;
2196: if (*p)
2197: *p++ = '\0';
2198: *value = p;
2199:
2200: return start;
2201: }
2202:
2203: /*----------------------------------------------------------------------
2204: PrepareFormdata
2205: ---------------------------------------------------------------------*/
2206: #ifdef __STDC__
2207: static HTAssocList * PrepareFormdata (char *string)
2208: #else
2209: static HTAssocList * PrepareFormdata (string)
2210: char *string;
2211: #endif /* __STDC__ */
2212: {
2213: char * tmp_string, * tmp_string_ptr;
2214: char * name;
2215: char * value;
2216: HTAssocList * formdata;
2217:
2218: if (!string)
2219: return NULL;
2220:
2221: /* store the ptr in another variable, as the original address will
2222: change
2223: */
2224:
2225: tmp_string_ptr = tmp_string = TtaStrdup (string);
2226: formdata = HTAssocList_new();
2227:
2228: while (*tmp_string)
2229: {
2230: NextNameValue (&tmp_string, &name, &value);
2231: HTAssocList_addObject(formdata,
2232: name, value);
2233: }
2234:
2235: TtaFreeMemory (tmp_string_ptr);
2236: return formdata;
1.4 cvs 2237: }
2238:
1.99 cvs 2239:
2240: /*----------------------------------------------------------------------
2241: InvokeGetObjectWWW_callback
2242: A simple function to invoke a callback function whenever there's an error
2243: in GetObjectWWW
2244: ---------------------------------------------------------------------*/
2245:
1.116 cvs 2246: #ifdef __STDC__
2247: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 2248: #else
1.111 cvs 2249: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 2250: int docid;
2251: char *urlName;
2252: char *outputfile;
2253: TTcbf *terminate_cbf;
2254: void *context_tcbf;
1.116 cvs 2255: #endif /* __STDC__ */
1.99 cvs 2256: {
2257: if (!terminate_cbf)
2258: return;
2259:
1.116 cvs 2260: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2261: NULL, context_tcbf);
2262: }
2263:
2264:
2265:
1.5 cvs 2266: /*----------------------------------------------------------------------
1.15 cvs 2267: GetObjectWWW
1.17 cvs 2268: this function requests a resource designated by a URLname into a
2269: temporary filename. The download can come from a simple GET operation,
2270: or can come from POSTING/GETTING a form. In the latter
2271: case, the function receives a query string to send to the server.
2272:
1.5 cvs 2273: 4 file retrieval modes are proposed:
2274: AMAYA_SYNC : blocking mode
2275: AMAYA_ISYNC : incremental, blocking mode
2276: AMAYA_ASYNC : non-blocking mode
2277: AMAYA_IASYNC : incremental, non-blocking mode
2278:
2279: In the incremental mode, each time a package arrives, it will be
2280: stored in the temporary file. In addition, if an
2281: incremental_callback function is defined, this function will be
2282: called and handled a copy of the newly received data package.
2283: Finally, if a terminate_callback function is defined, it will be
2284: invoked when the request terminates. The caller of this function
1.4 cvs 2285: can define two different contexts to be passed to the callback
2286: functions.
2287:
2288: When the function is called with the SYNC mode, the function will
2289: return only when the requested file has been loaded.
2290: The ASYNC mode will immediately return after setting up the
2291: call.
2292:
2293: Notes:
2294: At the end of a succesful request, the urlName string contains the
2295: name of the actually retrieved URL. As a URL can change over the time,
2296: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2297: caller verify the value of the urlName variable at the end of
1.4 cvs 2298: a request.
2299:
2300: Inputs:
2301: - docid Document identifier for the set of objects being
2302: retrieved.
2303: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2304: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2305: - mode The retrieval mode.
2306: - incremental_cbf
2307: - context_icbf
2308: Callback and context for the incremental modes
2309: - terminate_cbf
2310: - context_icbf
2311: Callback and context for a terminate handler
1.17 cvs 2312: -error_html if TRUE, then display any server error message as an
2313: HTML document.
1.88 cvs 2314: - content_type a string
2315:
1.4 cvs 2316: Outputs:
2317: - urlName The URL that was retrieved
2318: - outputfile The name of the temporary file which holds the
2319: retrieved data. (Only in case of success)
1.88 cvs 2320: - if content_type wasn't NULL, it will contain a copy of the parameter
2321: sent in the HTTP answer
1.4 cvs 2322: Returns:
2323: HT_ERROR
2324: HT_OK
1.5 cvs 2325:
2326: ----------------------------------------------------------------------*/
1.4 cvs 2327: #ifdef __STDC__
1.127 cvs 2328: int GetObjectWWW (int docid, char* urlName, char* formdata,
1.116 cvs 2329: char* outputfile, int mode, TIcbf* incremental_cbf,
2330: void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 2331: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 2332: #else
1.127 cvs 2333: int GetObjectWWW (docid, urlName, formdata, outputfile, mode,
1.116 cvs 2334: incremental_cbf, context_icbf,
1.88 cvs 2335: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 2336: int docid;
2337: char *urlName;
1.127 cvs 2338: char *formdata;
1.73 cvs 2339: char *outputfile;
2340: int mode;
2341: TIcbf *incremental_cbf;
2342: void *context_icbf;
2343: TTcbf *terminate_cbf;
2344: void *context_tcbf;
2345: boolean error_html;
1.88 cvs 2346: char *content_type;
1.4 cvs 2347: #endif
2348: {
2349: AHTReqContext *me;
2350: char *ref;
1.107 cvs 2351: int status, l;
1.114 cvs 2352: int tempsubdir;
1.177 cvs 2353: boolean bool_tmp;
1.7 cvs 2354:
1.116 cvs 2355: if (urlName == NULL || docid == 0 || outputfile == NULL)
2356: {
2357: /* no file to be loaded */
2358: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2359:
1.116 cvs 2360: if (error_html)
1.69 cvs 2361: /* so we can show the error message */
2362: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2363: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2364: context_tcbf, HT_ERROR);
2365: return HT_ERROR;
2366: }
1.7 cvs 2367:
1.159 cvs 2368: /* if it's a 'docImage', we have already downloaded it */
2369: if (!strncmp ("internal:", urlName, 9))
2370: {
2371: strcpy (outputfile, urlName);
2372: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2373: terminate_cbf, context_tcbf, HT_OK);
2374: return HT_OK;
2375: }
2376:
1.4 cvs 2377: /* do we support this protocol? */
1.116 cvs 2378: if (IsValidProtocol (urlName) == NO)
2379: {
2380: /* return error */
2381: outputfile[0] = EOS; /* file could not be opened */
2382: TtaSetStatus (docid, 1,
2383: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2384: urlName);
2385:
2386: if (error_html)
1.69 cvs 2387: /* so we can show the error message */
2388: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2389: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2390: context_tcbf, HT_ERROR);
2391: return HT_ERROR;
2392: }
1.4 cvs 2393:
1.114 cvs 2394: /* we store CSS in subdir named 0; all the other files go to a subidr
2395: named after their own docid */
2396:
2397: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
2398:
1.116 cvs 2399: /* create a tempfilename */
2400: sprintf (outputfile, "%s%c%d%c%04dAM",
2401: TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
2402: /* update the object_counter (used for the tempfilename) */
1.4 cvs 2403: object_counter++;
1.116 cvs 2404:
1.4 cvs 2405: /* normalize the URL */
1.45 cvs 2406: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 2407: /* should we abort the request if we could not normalize the url? */
1.69 cvs 2408: if (ref == (char*) NULL || ref[0] == EOS) {
2409: /*error */
2410: outputfile[0] = EOS;
2411: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
2412:
2413: if (error_html)
1.116 cvs 2414: /* so we can show the error message */
2415: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2416: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2417: context_tcbf, HT_ERROR);
1.69 cvs 2418: return HT_ERROR;
2419: }
1.116 cvs 2420:
1.4 cvs 2421: /* verify if that file name existed */
1.9 cvs 2422: if (TtaFileExist (outputfile))
1.77 cvs 2423: TtaFileUnlink (outputfile);
1.116 cvs 2424:
1.4 cvs 2425: /* Initialize the request structure */
2426: me = AHTReqContext_new (docid);
1.116 cvs 2427: if (me == NULL)
2428: {
2429: outputfile[0] = EOS;
2430: /* need an error message here */
2431: TtaFreeMemory (ref);
2432: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2433: context_tcbf, HT_ERROR);
2434: return HT_ERROR;
2435: }
2436:
1.4 cvs 2437: /* Specific initializations for POST and GET */
1.116 cvs 2438: if (mode & AMAYA_FORM_POST)
2439: {
2440: me->method = METHOD_POST;
2441: HTRequest_setMethod (me->request, METHOD_POST);
1.171 cvs 2442: /* don't use the cache for post requests */
2443: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 2444: }
2445: else
2446: {
2447: me->method = METHOD_GET;
2448: if (!HasKnownFileSuffix (ref))
2449: HTRequest_setConversion(me->request, acceptTypes, TRUE);
2450: }
1.93 cvs 2451:
1.116 cvs 2452: /* Common initialization for all HTML methods */
1.4 cvs 2453: me->mode = mode;
2454: me->error_html = error_html;
2455: me->incremental_cbf = incremental_cbf;
2456: me->context_icbf = context_icbf;
2457: me->terminate_cbf = terminate_cbf;
2458: me->context_tcbf = context_tcbf;
1.64 cvs 2459:
1.69 cvs 2460: /* for the async. request modes, we need to have our
1.4 cvs 2461: own copy of outputfile and urlname
1.116 cvs 2462: */
1.4 cvs 2463:
1.116 cvs 2464: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
2465: {
2466: l = strlen (outputfile);
2467: if (l > MAX_LENGTH)
2468: me->outputfile = TtaGetMemory (l + 2);
2469: else
2470: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
2471: strcpy (me->outputfile, outputfile);
2472: l = strlen (urlName);
2473: if (l > MAX_LENGTH)
2474: me->urlName = TtaGetMemory (l + 2);
2475: else
2476: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
2477: strcpy (me->urlName, urlName);
2478: #ifdef _WINDOWS
2479: /* force windows ASYNC requests to always be non preemptive */
2480: HTRequest_setPreemptive (me->request, NO);
2481: #endif /*_WINDOWS */
2482: } /* AMAYA_ASYNC mode */
2483: else
2484: #ifdef _WINDOWS
2485: {
2486: me->outputfile = outputfile;
2487: me->urlName = urlName;
2488: /* force windows SYNC requests to always be non preemptive */
2489: HTRequest_setPreemptive (me->request, YES);
2490: }
2491: #else /* !_WINDOWS */
2492: {
2493: me->outputfile = outputfile;
2494: me->urlName = urlName;
2495: }
2496: /***
1.136 cvs 2497: In order to take into account the stop button,
2498: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 2499: we will loop until the document has been received or a stop signal
2500: generated
1.77 cvs 2501: ****/
1.116 cvs 2502: HTRequest_setPreemptive (me->request, NO);
2503: #endif /* _WINDOWS */
1.61 cvs 2504:
1.151 cvs 2505: /*
2506: ** Make sure that the first request is flushed immediately and not
2507: ** buffered in the output buffer
2508: */
2509: if (mode & AMAYA_FLUSH_REQUEST)
2510: HTRequest_setFlush(me->request, YES);
2511: HTRequest_setFlush(me->request, YES);
2512:
1.61 cvs 2513: /* prepare the URLname that will be displayed in teh status bar */
2514: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 2515: TtaSetStatus (me->docid, 1,
2516: TtaGetMessage (AMAYA, AM_FETCHING),
2517: me->status_urlName);
1.4 cvs 2518:
2519: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 2520: TtaFreeMemory (ref);
1.177 cvs 2521:
2522: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
2523: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 2524: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2525:
2526: /* prepare the query string and format for POST */
2527: if (mode & AMAYA_FORM_POST)
1.114 cvs 2528: {
1.116 cvs 2529: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2530: HTAtom_for ("application/x-www-form-urlencoded"));
2531: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
2532: HTRequest_setEntityAnchor (me->request, me->anchor);
2533: }
1.114 cvs 2534:
1.127 cvs 2535: /* create the formdata element for libwww */
2536: if (formdata)
2537: me->formdata = PrepareFormdata (formdata);
2538:
1.116 cvs 2539: /* do the request */
2540: if (mode & AMAYA_FORM_POST)
1.119 cvs 2541: {
2542: /* this call doesn't give back a boolean */
2543: HTParentAnchor * posted = NULL;
2544:
2545: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
2546: me->request);
2547: status = posted ? YES : NO;
2548: }
1.127 cvs 2549: else if (formdata)
2550: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
2551: me->request);
1.116 cvs 2552: else
1.77 cvs 2553: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 2554:
1.123 cvs 2555: /* @@@ may need some special windows error msg here */
1.116 cvs 2556: /* control the errors */
1.4 cvs 2557:
1.130 cvs 2558: if (status == NO)
1.116 cvs 2559: /* the request invocation failed */
2560: {
2561: /* show an error message on the status bar */
2562: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
2563: TtaSetStatus (docid, 1,
2564: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
2565: urlName);
2566: if (me->reqStatus == HT_NEW)
2567: /* manually invoke the last processing that usually gets done
2568: in a succesful request */
2569: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2570: terminate_cbf, context_tcbf, HT_ERROR);
2571: /* terminate_handler wasn't called */
1.136 cvs 2572: AHTReqContext_delete (me);
1.116 cvs 2573: }
2574: else
1.136 cvs 2575: /* end treatment for SYNC requests */
1.120 cvs 2576: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2577: {
1.136 cvs 2578: /* wait here untilt the asynchronous request finishes */
1.130 cvs 2579: status = LoopForStop (me);
1.136 cvs 2580: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 2581: if (!HTRequest_kill (me->request))
2582: AHTReqContext_delete (me);
2583: }
1.130 cvs 2584:
1.136 cvs 2585: /* an interface problem!!! */
2586: return (status == YES ? 0 : -1);
1.4 cvs 2587: }
2588:
1.5 cvs 2589: /*----------------------------------------------------------------------
1.17 cvs 2590: PutObjectWWW
2591: frontend for uploading a resource to a URL. This function downloads
2592: a file to be uploaded into memory, it then calls UploadMemWWW to
2593: finish the job.
2594:
1.5 cvs 2595: 2 upload modes are proposed:
2596: AMAYA_SYNC : blocking mode
2597: AMAYA_ASYNC : non-blocking mode
2598:
1.4 cvs 2599: When the function is called with the SYNC mode, the function will
2600: return only when the file has been uploaded.
2601: The ASYNC mode will immediately return after setting up the
2602: call. Furthermore, at the end of an upload, the ASYNC mode will
2603: call back terminate_cbf, handling it the context defined in
2604: context_tcbf.
2605:
2606: Notes:
2607: At the end of a succesful request, the urlName string contains the
2608: name of the actually uploaded URL. As a URL can change over the time,
2609: (e.g., be redirected elsewhere), it is advised that the function
2610: caller verifies the value of the urlName variable at the end of
2611: a request.
2612:
2613: Inputs:
2614: - docid Document identifier for the set of objects being
2615: retrieved.
2616: - fileName A pointer to the local file to upload
2617: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
2618: - mode The retrieval mode.
2619: - terminate_cbf
2620: - context_icbf
2621: Callback and context for a terminate handler
2622:
2623: Outputs:
2624: - urlName The URL that was uploaded
2625:
2626: Returns:
2627: HT_ERROR
2628: HT_OK
1.5 cvs 2629: ----------------------------------------------------------------------*/
1.4 cvs 2630: #ifdef __STDC__
1.27 cvs 2631: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 2632: TTcbf * terminate_cbf, void *context_tcbf)
2633: #else
1.26 cvs 2634: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 2635: ,terminate_cbf, context_tcbf)
2636: int docid;
2637: char *urlName;
2638: char *fileName;
2639: int mode;
1.27 cvs 2640: PicType contentType;
1.4 cvs 2641: TTcbf *terminate_cbf;
2642: void *context_tcbf;
2643:
1.116 cvs 2644: #endif /* __STDC__ */
1.4 cvs 2645: {
1.116 cvs 2646: AHTReqContext *me;
1.4 cvs 2647: int status;
2648: int fd;
2649: struct stat file_stat;
1.116 cvs 2650: char *fileURL;
1.168 cvs 2651: char *etag = NULL;
1.169 cvs 2652: HTParentAnchor *dest_anc_parent;
2653: char *tmp;
1.168 cvs 2654: int UsePreconditions;
1.172 cvs 2655: boolean lost_update_check = TRUE;
2656:
2657: /* should we protect the PUT against lost updates? */
2658: tmp = (char *) TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
2659: if (tmp && *tmp && strcasecmp (tmp, "yes" ))
2660: lost_update_check = FALSE;
1.168 cvs 2661:
2662: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
1.4 cvs 2663:
1.33 cvs 2664: AmayaLastHTTPErrorMsg [0] = EOS;
2665:
1.116 cvs 2666: if (urlName == NULL || docid == 0 || fileName == NULL
2667: || !TtaFileExist (fileName))
1.4 cvs 2668: /* no file to be uploaded */
2669: return HT_ERROR;
2670:
2671: /* do we support this protocol? */
1.7 cvs 2672: if (IsValidProtocol (urlName) == NO)
2673: {
2674: /* return error */
1.77 cvs 2675: TtaSetStatus (docid, 1,
2676: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 2677: urlName);
2678: return HT_ERROR;
2679: }
1.116 cvs 2680:
2681: /* verify the file's size */
2682: #ifndef _WINDOWS
1.7 cvs 2683: if ((fd = open (fileName, O_RDONLY)) == -1)
1.116 cvs 2684: #else
1.137 cvs 2685: if ((fd = _open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.116 cvs 2686: #endif /* _WINDOWS */
1.7 cvs 2687: {
2688: /* if we could not open the file, exit */
2689: /*error msg here */
2690: return (HT_ERROR);
2691: }
1.4 cvs 2692:
2693: fstat (fd, &file_stat);
1.137 cvs 2694: # ifdef _WINDOWS
2695: _close (fd);
2696: # else /* _WINDOWS */
1.116 cvs 2697: close (fd);
1.137 cvs 2698: # endif /* _WINDOWS */
1.4 cvs 2699:
1.7 cvs 2700: if (file_stat.st_size == 0)
2701: {
2702: /* file was empty */
2703: /*errmsg here */
2704: return (HT_ERROR);
2705: }
1.116 cvs 2706:
2707: /* prepare the request context */
1.4 cvs 2708: if (THD_TRACE)
1.116 cvs 2709: fprintf (stderr, "file size == %u\n", (unsigned) file_stat.st_size);
1.4 cvs 2710:
2711: me = AHTReqContext_new (docid);
1.7 cvs 2712: if (me == NULL)
2713: {
1.168 cvs 2714: /* @@ need an error message here */
1.151 cvs 2715: TtaHandlePendingEvents ();
1.7 cvs 2716: return (HT_ERROR);
2717: }
1.116 cvs 2718:
1.4 cvs 2719: me->mode = mode;
2720: me->incremental_cbf = (TIcbf *) NULL;
2721: me->context_icbf = (void *) NULL;
2722: me->terminate_cbf = terminate_cbf;
2723: me->context_tcbf = context_tcbf;
2724: me->urlName = urlName;
1.116 cvs 2725: me->block_size = file_stat.st_size;
1.17 cvs 2726: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 2727: me->method = METHOD_PUT;
2728: me->output = stdout;
1.17 cvs 2729: /* we are not expecting to receive any input from the server */
2730: me->outputfile = (char *) NULL;
1.4 cvs 2731:
1.134 cvs 2732: #ifdef _WINDOWS
2733: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 2734: so we sidestep it */
1.134 cvs 2735: fileURL = NULL;
2736: StrAllocCopy (fileURL, "file:");
2737: StrAllocCat (fileURL, fileName);
2738: #else
1.116 cvs 2739: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 2740: #endif /* _WINDOWS */
1.168 cvs 2741: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 2742: HT_FREE (fileURL);
1.168 cvs 2743: me->dest = HTAnchor_findAddress (urlName);
1.169 cvs 2744: /* we memorize the anchor's parent @ as we use it a number of times
2745: in the following lines */
2746: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 2747:
1.169 cvs 2748: /*
2749: ** Set the Content-Type of the file we are uploading
2750: */
2751: /* we try to use any content-type previosuly associated
2752: with the parent. If it doesn't exist, we try to guess it
2753: from the URL */
2754: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2755: if (!tmp || !strcmp (tmp, "www/unknown"))
2756: {
2757: HTAnchor_setFormat (dest_anc_parent,
2758: AHTGuessAtom_for (me->urlName, contentType));
2759: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2760: }
2761: /* .. and we give the same type to the source anchor */
2762: /* we go thru setOutputFormat, rather than change the parent's
2763: anchor, as that's the place that libwww expects it to be */
2764:
1.170 cvs 2765: HTAnchor_setFormat (HTAnchor_parent (me->source),
1.169 cvs 2766: HTAtom_for (tmp));
2767: HTRequest_setOutputFormat (me->request,
2768: HTAtom_for (tmp));
1.134 cvs 2769:
2770: /* define other request characteristics */
1.116 cvs 2771: #ifdef _WINDOWS
1.136 cvs 2772: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2773: #else
1.134 cvs 2774: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2775: #endif /* _WINDOWS */
2776:
1.151 cvs 2777: /*
2778: ** Make sure that the first request is flushed immediately and not
2779: ** buffered in the output buffer
2780: */
2781: if (mode & AMAYA_FLUSH_REQUEST)
2782: HTRequest_setFlush(me->request, YES);
1.168 cvs 2783:
2784: /* Should we use preconditions? */
1.172 cvs 2785: if (lost_update_check)
1.168 cvs 2786: {
1.172 cvs 2787: if (UsePreconditions)
2788: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
2789:
2790: if (etag)
2791: {
2792: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
2793: }
2794: else
2795: {
2796: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2797: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
2798: HT_FILTER_MIDDLE, YES);
1.175 cvs 2799: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
2800: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
2801: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
2802: HT_REAUTH, HT_FILTER_MIDDLE, YES);
2803: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
2804: HT_ALL, HT_FILTER_MIDDLE, YES);
2805: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
2806: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 2807: }
1.168 cvs 2808: }
2809: else
2810: {
1.172 cvs 2811: /* don't use preconditions */
1.168 cvs 2812: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2813: }
1.151 cvs 2814:
1.136 cvs 2815: /* don't use the cache while saving a document */
2816: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 2817:
1.164 cvs 2818: /* Throw away any reponse body */
2819: /*
2820: HTRequest_setOutputStream (me->request, HTBlackHole());
2821: */
2822:
1.168 cvs 2823: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 2824: ChopURL (me->status_urlName, me->urlName);
2825: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1.168 cvs 2826: me->status_urlName);
1.114 cvs 2827:
1.164 cvs 2828: /* make the request */
1.172 cvs 2829: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 2830: status = HTHeadAnchor (me->dest, me->request);
2831: else
2832: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 2833:
1.130 cvs 2834: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 2835: {
1.168 cvs 2836: /* part of the stop button handler */
2837: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2838: status = LoopForStop (me);
1.15 cvs 2839: }
1.136 cvs 2840: if (!HTRequest_kill (me->request))
2841: AHTReqContext_delete (me);
1.168 cvs 2842:
1.116 cvs 2843: TtaHandlePendingEvents ();
1.90 cvs 2844:
1.130 cvs 2845: return (status == YES ? 0 : -1);
1.28 cvs 2846: }
1.4 cvs 2847:
1.5 cvs 2848: /*----------------------------------------------------------------------
1.138 cvs 2849: StopRequest
1.17 cvs 2850: stops (kills) all active requests associated with a docid
1.5 cvs 2851: ----------------------------------------------------------------------*/
1.4 cvs 2852: #ifdef __STDC__
2853: void StopRequest (int docid)
2854: #else
2855: void StopRequest (docid)
2856: int docid;
2857: #endif
2858: {
1.140 cvs 2859: if (Amaya && CanDoStop ())
1.138 cvs 2860: {
1.139 cvs 2861: #if 0 /* for later */
1.140 cvs 2862: AHTDocId_Status *docid_status;
2863: /* verify if there are any requests at all associated with docid */
1.138 cvs 2864: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
2865: Amaya->docid_status);
2866: if (docid_status == (AHTDocId_Status *) NULL)
2867: return;
1.139 cvs 2868: #endif /* 0 */
1.138 cvs 2869: /* temporary call to stop all requests, as libwww changed its API */
2870: StopAllRequests (docid);
2871: }
2872: }
2873:
2874: /*----------------------------------------------------------------------
2875: StopAllRequests
2876: stops (kills) all active requests. We use the docid
2877: ----------------------------------------------------------------------*/
2878: #ifdef __STDC__
2879: void StopAllRequests (int docid)
2880: #else
1.140 cvs 2881: void StopAllRequests (docid)
1.138 cvs 2882: int docid;
2883: #endif
2884: {
1.4 cvs 2885: HTList *cur;
2886: AHTReqContext *me;
1.146 cvs 2887: static boolean lock_stop = 0;
1.161 cvs 2888: boolean async_flag;
1.116 cvs 2889:
1.138 cvs 2890: /* only do the stop if we're not being called while processing a
1.146 cvs 2891: request, and if we're not already dealing with a stop */
2892: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 2893: {
1.100 cvs 2894: #ifdef DEBUG_LIBWWW
1.138 cvs 2895: fprintf (stderr, "StopRequest: number of Amaya requests "
2896: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 2897: #endif /* DEBUG_LIBWWW */
1.150 cvs 2898: /* enter the critical section */
1.146 cvs 2899: lock_stop = TRUE;
1.164 cvs 2900: /* expire all outstanding timers */
2901: HTTimer_expireAll ();
1.160 cvs 2902: /* HTNet_killAll (); */
1.116 cvs 2903: cur = Amaya->reqlist;
2904: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2905: {
1.140 cvs 2906: if (AmayaIsAlive ())
1.160 cvs 2907: {
1.161 cvs 2908: #ifdef DEBUG_LIBWWW
1.163 cvs 2909: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 2910: #endif /* DEBUG_LIBWWW */
2911:
1.165 cvs 2912: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 2913: {
2914: if ((me->mode & AMAYA_ASYNC)
2915: || (me->mode & AMAYA_IASYNC))
2916: async_flag = TRUE;
2917: else
2918: async_flag = FALSE;
2919:
1.165 cvs 2920: /* change the status to say that the request aborted */
2921: me->reqStatus = HT_ABORT;
2922:
1.163 cvs 2923: /* kill the request, using the appropriate function */
2924: if (me->request->net)
2925: HTNet_killPipe (me->request->net);
2926: else
2927: {
1.160 cvs 2928: if (me->terminate_cbf)
2929: (*me->terminate_cbf) (me->docid, -1, me->urlName,
2930: me->outputfile,
2931: me->content_type,
2932: me->context_tcbf);
1.164 cvs 2933:
2934: if (async_flag)
1.165 cvs 2935: /* explicitly free the request context for async
2936: requests. The sync requests context is freed by LoopForStop */
1.164 cvs 2937: AHTReqContext_delete (me);
1.160 cvs 2938: }
1.163 cvs 2939: cur = Amaya->reqlist;
2940: }
1.142 cvs 2941: #ifndef _WINDOWS
2942: #ifdef WWW_XWINDOWS
1.140 cvs 2943: /* to be on the safe side, remove all outstanding X events */
1.160 cvs 2944: else
2945: RequestKillAllXtevents (me);
1.142 cvs 2946: #endif /* WWW_XWINDOWS */
2947: #endif /* !_WINDOWS */
1.160 cvs 2948: }
1.116 cvs 2949: }
1.150 cvs 2950: /* Delete remaining channels */
2951: HTChannel_safeDeleteAll ();
2952: /* exit the critical section */
1.148 cvs 2953: lock_stop = FALSE;
1.100 cvs 2954: #ifdef DEBUG_LIBWWW
1.138 cvs 2955: fprintf (stderr, "StopRequest: number of Amaya requests "
2956: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 2957: #endif /* DEBUG_LIBWWW */
1.138 cvs 2958: }
2959: } /* StopAllRequests */
1.17 cvs 2960:
2961:
1.105 cvs 2962: /*----------------------------------------------------------------------
2963: AmayaIsAlive
1.140 cvs 2964: returns the value of the AmayaAlive_flag
1.105 cvs 2965: ----------------------------------------------------------------------*/
2966: #ifdef __STDC__
2967: boolean AmayaIsAlive (void)
2968: #else
2969: boolean AmayaIsAlive ()
2970: #endif /* _STDC_ */
2971: {
1.140 cvs 2972: return AmayaAlive_flag;
2973: }
2974:
2975: /*----------------------------------------------------------------------
2976: CanDoStop
2977: returns the value of the CanDoStop flag
2978: ----------------------------------------------------------------------*/
2979: #ifdef __STDC__
2980: boolean CanDoStop (void)
2981: #else
2982: boolean CanDoStop ()
2983: #endif /* _STDC_ */
2984: {
2985: return CanDoStop_flag;
2986: }
2987:
2988: /*----------------------------------------------------------------------
2989: CanDoStop_set
2990: sets the value of the CanDoStop flag
2991: ----------------------------------------------------------------------*/
2992: #ifdef __STDC__
2993: void CanDoStop_set (boolean value)
2994: #else
2995: void CanDoStop (value)
2996: boolean value;
2997: #endif /* _STDC_ */
2998: {
2999: CanDoStop_flag = value;
1.176 cvs 3000: }
3001:
3002: #ifdef __STDC__
3003: void libwww_updateNetworkConf (int status)
3004: #else
3005: void libwww_updateNetworkConf (status)
3006: int status;
3007: #endif /*__STDC__*/
3008: {
3009: /* @@@ the docid parameter isn't used... clean it up */
3010: int docid = 1;
3011:
3012: /* first, stop all current requests, as the network
3013: may make some changes */
3014: StopAllRequests (docid);
3015:
3016: if (status & AMAYA_PROXY_RESTART)
3017: {
3018: HTProxy_deleteAll ();
3019: ProxyInit ();
3020: }
3021:
3022: if (status & AMAYA_CACHE_RESTART)
3023: {
3024: clear_cachelock ();
3025: HTCacheTerminate ();
3026: HTCacheMode_setEnabled (NO);
3027: CacheInit ();
3028: }
1.105 cvs 3029: }
1.116 cvs 3030:
1.69 cvs 3031: #endif /* AMAYA_JAVA */
1.77 cvs 3032:
1.116 cvs 3033: /*
3034: end of Module query.c
3035: */
1.140 cvs 3036:
3037:
3038:
3039:
3040:
3041:
1.17 cvs 3042:
3043:
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