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