Annotation of Amaya/amaya/query.c, revision 1.193
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:
1.185 cvs 22: #ifdef _WINDOWS
23: #include <string.h>
1.130 cvs 24: #endif /* !_WINDOWS */
1.116 cvs 25: #define AMAYA_WWW_CACHE
1.168 cvs 26: #define AMAYA_LOST_UPDATE
1.116 cvs 27:
1.188 cvs 28: #ifdef _WINDOWS
29: #define CACHE_DIR_NAME "\\libwww-cache\\"
30: #else
31: #define CACHE_DIR_NAME "/libwww-cache/"
32: #endif /* _WINDOWS */
1.176 cvs 33: #define DEFAULT_CACHE_SIZE 10
34: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
1.177 cvs 35: #define DEFAULT_MAX_SOCKET 32
1.176 cvs 36: #define DEFAULT_DNS_TIMEOUT 1800L
1.151 cvs 37: #define DEFAULT_PERSIST_TIMEOUT 60L
1.165 cvs 38: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.116 cvs 39:
1.12 cvs 40: /* Amaya includes */
1.25 cvs 41: #define THOT_EXPORT extern
1.4 cvs 42: #include "amaya.h"
1.130 cvs 43: #include <sys/types.h>
1.70 cvs 44: #include <fcntl.h>
1.140 cvs 45: #include "HTEvtLst.h"
1.157 cvs 46: #include "HTAABrow.h"
1.7 cvs 47:
1.141 cvs 48: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 49: #define CATCH_SIG
50: #endif
51:
52: /* local structures coming from libwww and which are
1.17 cvs 53: not found in any .h file
1.7 cvs 54: */
1.68 cvs 55:
1.7 cvs 56: struct _HTStream
57: {
1.15 cvs 58: const HTStreamClass *isa;
59: FILE *fp;
1.45 cvs 60: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 61: char *end_command; /* Command to execute */
62: BOOL remove_on_close; /* Remove file? */
63: char *filename; /* Name of file */
64: HTRequest *request; /* saved for callback */
65: HTRequestCallback *callback;
1.7 cvs 66: };
67:
1.15 cvs 68:
1.7 cvs 69: struct _HTError
70: {
71: HTErrorElement element; /* Index number into HTError */
72: HTSeverity severity; /* A la VMS */
73: BOOL ignore; /* YES if msg should not go to user */
74: void *par; /* Explanation, e.g. filename */
75: int length; /* For copying by generic routine */
76: char *where; /* Which function */
77: };
78:
1.4 cvs 79: /* Type definitions and global variables etc. local to this module */
80:
1.17 cvs 81: /*----------------------------------------------------------------------*/
82:
1.4 cvs 83: /*** private variables ***/
1.17 cvs 84:
1.4 cvs 85: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 86: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 ! cvs 87: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 88: static HTList *transfer_encodings = NULL;
89: static HTList *content_encodings = NULL;
1.16 cvs 90: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 91: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.140 cvs 92: 0 if we have killed */
1.191 cvs 93: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.140 cvs 94: if we're inside a critical section */
1.128 cvs 95: #ifdef AMAYA_WWW_CACHE
1.130 cvs 96: static int fd_cachelock; /* open handle to the .lock cache file */
97: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 98:
1.15 cvs 99: #include "answer_f.h"
100: #include "query_f.h"
101: #include "AHTURLTools_f.h"
102: #include "AHTBridge_f.h"
103: #include "AHTMemConv_f.h"
104: #include "AHTFWrite_f.h"
1.4 cvs 105:
1.116 cvs 106: /* prototypes */
107:
108: #ifdef __STDC__
1.128 cvs 109: static void RecCleanCache (char *dirname);
1.123 cvs 110: #ifdef _WINDOWS
1.70 cvs 111: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 112: #endif /* _WINDOWS */
1.70 cvs 113: #else
1.128 cvs 114: static void RecCleanCache (/* char *dirname */);
1.123 cvs 115: #ifdef _WINDOWS
1.128 cvs 116: int WIN_Activate_Request (/* HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar* */);
1.116 cvs 117: #endif /* _WINDOWS */
1.70 cvs 118: #endif /* __STDC__ */
1.116 cvs 119:
1.15 cvs 120:
1.130 cvs 121: #ifdef AMAYA_WWW_CACHE
122: /***************************************************************
123: lock functions, used to avoid concurrent use of the cache
124: Mostly based on W. Richard Stevens' APUE book.
125: ***************************************************************/
126: /*----------------------------------------------------------------------
127: set_cachelock
128: sets a write lock on filename.
129: Returns -1 in case of failure, otherwise, it'll open a handle on
130: filename and fd_cachelock will take its value.
131: ----------------------------------------------------------------------*/
132: #ifdef __STDC__
133: static int set_cachelock (char *filename)
134: #else
135: static int set_cachelock (filename)
136: char *filename;
137: #endif /* __STDC__ */
138: {
1.188 cvs 139: int status;
1.130 cvs 140: #ifdef _WINDOWS
1.188 cvs 141:
142: status = TtaFileExist (filename);
143: return ((status) ? 0 : -1);
1.130 cvs 144: #else
145: struct flock lock;
146:
147: lock.l_type = F_WRLCK;
148: lock.l_start = 0;
149: lock.l_whence = SEEK_SET;
150: lock.l_len = 0;
151:
152: fd_cachelock = open (filename, O_WRONLY);
153:
154: if (fd_cachelock == -1)
155: status = -1;
156: else
157: status = fcntl(fd_cachelock, F_SETLK, &lock);
158:
159: if (status == -1)
1.190 cvs 160: {
1.179 cvs 161: if (fd_cachelock > 0)
1.190 cvs 162: close (fd_cachelock);
1.179 cvs 163: fd_cachelock = 0;
1.178 cvs 164: }
1.130 cvs 165: return (status);
166: #endif /* _WINDOWS */
167: }
168:
169: /*----------------------------------------------------------------------
170: clear_cachelock
171: remove the write lock set on a filename.
172: It'll close the fd handle on filename and reset *fd to 0.
173: ----------------------------------------------------------------------*/
174: #ifdef __STDC__
175: static int clear_cachelock (void)
176: #else
177: static int clear_cachelock ()
178: int *fd;
179: #endif /* __STDC__ */
180: {
181: #ifdef _WINDOWS
182: return 0;
183: #else
184: int status;
185:
1.178 cvs 186: if (!fd_cachelock)
1.130 cvs 187: return (-1);
188:
1.178 cvs 189: status = close (fd_cachelock);
1.130 cvs 190: fd_cachelock = 0;
191:
192: return (status);
193: #endif /* _WINDOWS */
194: }
195:
196: /*----------------------------------------------------------------------
197: test_cachelock
198: returns 0 if a fd is not locked by other process, otherwise
199: returns the pid of the process who has the lock
200: ----------------------------------------------------------------------*/
201: #ifdef __STDC__
202: static int test_cachelock (char *filename)
203: #else
204: static int test_cachelock (filename)
205: char *filename;
206: #endif __STDC__
207: {
208: #ifdef _WINDOWS
1.185 cvs 209: /* if the lock is set, we can't unlink the file under Windows */
1.188 cvs 210: if (!TtaFileUnlink (filename))
211: return 0;
212: else
1.185 cvs 213: return -1;
1.130 cvs 214: #else
215: struct flock lock;
216: int fd, status;
217:
218: lock.l_type = F_WRLCK;
219: lock.l_start = 0;
220: lock.l_whence = SEEK_SET;
221: lock.l_len = 0;
222:
223: fd = open (filename, O_WRONLY);
224:
225: if (fd < 0)
226: return (-1);
227: /* is this file locked ? */
228: status = fcntl (fd, F_GETLK, &lock);
229: close (fd);
230:
231: if (status < 0)
232: return (-1);
233:
234: if (lock.l_type == F_UNLCK)
235: return (0); /* false, region is not locked by another proc */
236: return (lock.l_pid); /* true, return pid of lock owner */
237: #endif /* _WINDOWS */
238: }
239:
240: #endif /* AMAYA_WWW_CACHE */
241:
1.15 cvs 242: /*----------------------------------------------------------------------
1.17 cvs 243: GetDocIdStatus
244: gets the status associated to a docid
1.15 cvs 245: ----------------------------------------------------------------------*/
246: #ifdef __STDC__
247: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
248: #else
249: AHTDocID_Status *GetDocIdStatus (docid, documents)
250: int docid;
251: HTList *documents;
252:
253: #endif
254: {
255: AHTDocId_Status *me;
256: HTList *cur;
257:
258: if (documents)
259: {
260: cur = documents;
261:
262: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
263: {
264: if (me->docid == docid)
265: return (me);
1.18 cvs 266: }
267: }
1.15 cvs 268: return (AHTDocId_Status *) NULL;
269:
270: }
271:
1.5 cvs 272: /*----------------------------------------------------------------------
1.27 cvs 273: AHTGuessAtom_for
274: Converts an Amaya type descriptor into the equivalent MIME type.
275: ----------------------------------------------------------------------*/
276: #ifdef __STDC__
277: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
278: #else
279: static HTAtom *AHTGuessAtom_for (urlName, contentType)
280: char *urlName;
281: PicType contentType;
282: #endif
283: {
284: HTAtom *atom;
285: char *filename;
1.160 cvs 286: HTEncoding enc = NULL;
287: HTEncoding cte = NULL;
288: HTLanguage lang = NULL;
1.50 cvs 289: double quality = 1.0;
1.27 cvs 290:
291: switch (contentType)
292: {
293: case xbm_type:
294: atom = HTAtom_for("image/xbm");
295: break;
296: case eps_type:
1.35 cvs 297: atom = HTAtom_for("application/postscript");
1.27 cvs 298: break;
299: case xpm_type:
300: atom = HTAtom_for("image/xpm");
301: break;
302: case gif_type:
303: atom = HTAtom_for("image/gif");
304: break;
305: case jpeg_type:
306: atom = HTAtom_for("image/jpeg");
307: break;
308: case png_type:
309: atom = HTAtom_for("image/png");
310: break;
311: case unknown_type:
312: default:
313: /*
314: ** Amaya could not detect the type, so
315: ** we try to use the filename's suffix to do so.
316: */
1.45 cvs 317: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 318: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 319: TtaFreeMemory (filename);
1.27 cvs 320: if (atom == WWW_UNKNOWN)
321: /*
322: ** we could not identify the suffix, so we assign it
323: ** a default type
324: */
325: atom = HTAtom_for ("text/html");
326: break;
327: }
328:
329: return atom;
330: }
331:
332: /*----------------------------------------------------------------------
1.17 cvs 333: AHTReqContext_new
334: create a new Amaya Context Object and update the global Amaya
335: request status.
1.5 cvs 336: ----------------------------------------------------------------------*/
1.4 cvs 337: #ifdef __STDC__
338: static AHTReqContext *AHTReqContext_new (int docid)
339: #else
340: static AHTReqContext *AHTReqContext_new (docid)
341: int docid;
342:
343: #endif
344: {
345: AHTReqContext *me;
346: AHTDocId_Status *docid_status;
347:
348: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 349: outofmem (__FILE__, "AHTReqContext_new");
350:
351: /* clear the structure */
352: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 353:
1.81 cvs 354: /* Bind the Context object together with the Request Object */
355: me->request = HTRequest_new ();
356:
1.80 cvs 357: /* clean the associated file structure) */
1.79 cvs 358: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 359:
1.4 cvs 360: /* Initialize the other members of the structure */
1.17 cvs 361: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 362: me->docid = docid;
363: HTRequest_setMethod (me->request, METHOD_GET);
364: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
365: HTRequest_setContext (me->request, me);
1.116 cvs 366:
1.36 cvs 367: /* experimental */
368: me->read_sock = INVSOC;
369: me->write_sock = INVSOC;
370: me->except_sock = INVSOC;
1.4 cvs 371:
372: /* Update the global context */
373: HTList_appendObject (Amaya->reqlist, (void *) me);
374:
375: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
376:
1.7 cvs 377: if (docid_status == NULL)
378: {
1.116 cvs 379: docid_status = (AHTDocId_Status *)
380: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 381: docid_status->docid = docid;
382: docid_status->counter = 1;
383: HTList_addObject (Amaya->docid_status, (void *) docid_status);
384: }
385: else
1.4 cvs 386: docid_status->counter++;
387:
388: Amaya->open_requests++;
389:
1.74 cvs 390: #ifdef DEBUG_LIBWWW
391: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
392: #endif
1.116 cvs 393:
1.4 cvs 394: return me;
395: }
396:
1.5 cvs 397: /*----------------------------------------------------------------------
1.17 cvs 398: AHTReqContext_delete
399: Delete an Amaya Context Object and update the global Amaya request
400: status.
1.5 cvs 401: ----------------------------------------------------------------------*/
1.4 cvs 402:
403: #ifdef __STDC__
1.191 cvs 404: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 405: #else
1.191 cvs 406: ThotBool AHTReqContext_delete (me)
1.4 cvs 407: AHTReqContext *me;
408:
409: #endif
410: {
411: AHTDocId_Status *docid_status;
412:
1.7 cvs 413: if (me)
414: {
1.74 cvs 415: #ifdef DEBUG_LIBWWW
1.138 cvs 416: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 417: #endif
1.138 cvs 418: if (Amaya->reqlist)
419: HTList_removeObject (Amaya->reqlist, (void *) me);
420:
421: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
422: if (docid_status)
423: {
424: docid_status->counter--;
425:
426: if (docid_status->counter == 0)
427: {
428: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
429: TtaFreeMemory ((void *) docid_status);
430: }
431: }
1.190 cvs 432: /* JK: no longer needed in libwww 5.2.3
433: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
434: AHTFWriter_FREE (HTRequest_outputStream (me->request));
435: */
1.138 cvs 436: HTRequest_delete (me->request);
437:
438: if (me->output && me->output != stdout)
439: {
1.85 cvs 440: #ifdef DEBUG_LIBWWW
1.138 cvs 441: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
442: "FILE %p\n", me->urlName, me->output);
1.85 cvs 443: #endif
1.138 cvs 444: fclose (me->output);
445: me->output = NULL;
446: }
1.79 cvs 447:
1.138 cvs 448: if (me->error_stream != (char *) NULL)
449: HT_FREE (me->error_stream);
450: #ifndef _WINDOWS
451: #ifdef WWW_XWINDOWS
452: if (me->read_xtinput_id || me->write_xtinput_id ||
453: me->except_xtinput_id)
454: RequestKillAllXtevents(me);
455: #endif /* WWW_XWINDOWS */
456: #endif /* !_WINDOWS */
457:
458: if (me->reqStatus == HT_ABORT)
459: {
460: if (me->outputfile && me->outputfile[0] != EOS)
461: {
462: TtaFileUnlink (me->outputfile);
463: me->outputfile[0] = EOS;
464: }
465: }
466:
467: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
468: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
469: or in PutObjectWWW */
470: {
471: if (me->urlName)
472: TtaFreeMemory (me->urlName);
473: if (me->outputfile)
474: TtaFreeMemory (me->outputfile);
475: }
476:
477: if (me->content_type)
478: TtaFreeMemory (me->content_type);
479:
480: if (me->formdata)
481: HTAssocList_delete (me->formdata);
482:
483: /* to trace bugs */
484: memset ((void *) me, 0, sizeof (AHTReqContext));
485:
486: TtaFreeMemory ((void *) me);
487:
488: Amaya->open_requests--;
489:
490: return TRUE;
1.7 cvs 491: }
1.15 cvs 492: return FALSE;
1.4 cvs 493: }
494:
495:
1.15 cvs 496: /*----------------------------------------------------------------------
1.17 cvs 497: Thread_deleteAll
498: this function deletes the whole list of active threads.
1.5 cvs 499: ----------------------------------------------------------------------*/
1.4 cvs 500: #ifdef __STDC__
501: static void Thread_deleteAll (void)
502: #else
503: static void Thread_deleteAll ()
504: #endif
505: {
1.21 cvs 506: HTList *cur;
507: AHTReqContext *me;
508: AHTDocId_Status *docid_status;
509:
1.74 cvs 510: if (Amaya && Amaya->reqlist)
511: {
512: if (Amaya->open_requests > 0)
513: #ifdef DEBUG_LIBWWW
514: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
515: "requests\n", Amaya->open_requests);
516: #endif
517: {
518: cur = Amaya->reqlist;
519:
520: /* erase the requests */
521: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
522: {
523: if (me->request)
524: {
1.142 cvs 525: #ifndef _WINDOWS
526: #ifdef WWW_XWINDOWS
1.74 cvs 527: RequestKillAllXtevents (me);
1.142 cvs 528: #endif /* WWW_XWINDOWS */
1.138 cvs 529: #endif /* !_WINDOWS */
1.140 cvs 530: if (!HTRequest_kill (me->request))
531: AHTReqContext_delete (me);
1.74 cvs 532: }
533: } /* while */
534:
535: /* erase the docid_status entities */
536: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
537: TtaFreeMemory ((void *) docid_status);
538:
539: } /* if */
1.84 cvs 540:
1.74 cvs 541: }
1.4 cvs 542: }
543:
1.5 cvs 544: /*----------------------------------------------------------------------
1.83 cvs 545: AHTOpen_file
546: ----------------------------------------------------------------------*/
547: #ifdef __STDC__
1.85 cvs 548: int AHTOpen_file (HTRequest * request)
1.83 cvs 549: #else
1.85 cvs 550: int AHTOpen_file (request)
1.83 cvs 551: HTRequest *request;
552:
553: #endif /* __STDC__ */
554: {
555: AHTReqContext *me; /* current request */
556:
557: me = HTRequest_context (request);
558:
1.93 cvs 559: if (!me)
560: return HT_ERROR;
561:
1.83 cvs 562: #ifdef DEBUG_LIBWWW
1.116 cvs 563: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 564: #endif /* DEBUG_LIBWWW */
565:
566: if (me->reqStatus == HT_ABORT)
567: {
568: #ifdef DEBUG_LIBWWW
569: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 570: #endif /* DEBUG_LIBWWW */
571:
1.85 cvs 572: return HT_OK;
573: }
574:
1.136 cvs 575: if (me->method == METHOD_PUT)
576: {
577: me->reqStatus = HT_WAITING;
578: return HT_OK;
579: }
580:
1.85 cvs 581: if (HTRequest_outputStream (me->request))
582: {
583:
584: #ifdef DEBUG_LIBWWW
585: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
586: #endif /* DEBUG_LIBWWW */
587: return HT_OK;
588: }
589:
590: #ifdef DEBUG_LIBWWW
591: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
592: #endif /* DEBUG_LIBWWW */
593:
1.83 cvs 594: if (!(me->output) &&
595: (me->output != stdout) &&
596: #ifndef _WINDOWS
597: (me->output = fopen (me->outputfile, "w")) == NULL)
598: {
1.116 cvs 599: #else /* !_WINDOWS */
1.83 cvs 600: (me->output = fopen (me->outputfile, "wb")) == NULL)
601: {
602: #endif /* !_WINDOWS */
603:
1.131 cvs 604: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 605: #ifdef DEBUG_LIBWWW
606: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
607: #endif
1.83 cvs 608: TtaSetStatus (me->docid, 1,
609: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
610: me->outputfile);
611: me->reqStatus = HT_ERR;
612: return (HT_ERROR);
613: }
614:
615: HTRequest_setOutputStream (me->request,
616: AHTFWriter_new (me->request,
617: me->output, YES));
618: me->reqStatus = HT_WAITING;
619:
620: return HT_OK;
621: }
622:
623: /*----------------------------------------------------------------------
1.17 cvs 624: redirection_handler
625: this function is registered to handle permanent and temporary
626: redirections.
627: ----------------------------------------------------------------------*/
1.4 cvs 628: #ifdef __STDC__
1.7 cvs 629: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 630: #else
631: static int redirection_handler (request, context, status)
632: HTRequest *request;
633: HTResponse *response;
634: void *param;
635: int status;
636:
637: #endif
638: {
639:
640: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 641: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 642: HTMethod method = HTRequest_method (request);
1.98 cvs 643: char *ref;
644: char *tmp;
1.4 cvs 645:
1.153 cvs 646: if (!me)
647: /* if the redirect doesn't come from Amaya, we call libwww's standard
648: redirect filter */
649: return (HTRedirectFilter (request, response, param, status));
650:
1.7 cvs 651: if (!new_anchor)
652: {
653: if (PROT_TRACE)
654: HTTrace ("Redirection. No destination\n");
655: return HT_OK;
656: }
1.4 cvs 657:
658: /*
1.166 cvs 659: ** Only do redirect on GET and HEAD
1.4 cvs 660: */
1.7 cvs 661: if (!HTMethod_isSafe (method))
662: {
1.130 cvs 663: /*
664: ** If we got a 303 See Other then change the method to GET.
665: ** Otherwise ask the user whether we should continue.
666: */
667: if (status == HT_SEE_OTHER)
668: {
669: if (PROT_TRACE)
670: HTTrace("Redirection. Changing method from %s to GET\n",
671: HTMethod_name(method));
672: HTRequest_setMethod(request, METHOD_GET);
673: }
674: else
675: {
676: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
677: if (prompt)
678: {
679: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
680: NULL, NULL, NULL) != YES)
1.153 cvs 681: return HT_OK;
1.130 cvs 682: }
683: }
1.7 cvs 684: }
1.4 cvs 685: /*
686: ** Start new request with the redirect anchor found in the headers.
687: ** Note that we reuse the same request object which means that we must
688: ** keep this around until the redirected request has terminated. It also
689: ** allows us in an easy way to keep track of the number of redirections
690: ** so that we can detect endless loops.
691: */
1.166 cvs 692:
1.7 cvs 693: if (HTRequest_doRetry (request))
694: {
1.174 cvs 695: /*
696: ** Start request with new credentials
697: */
698:
1.166 cvs 699: /* only do a redirect using a network protocol understood by Amaya */
700: if (IsValidProtocol (new_anchor->parent->address))
1.7 cvs 701: {
1.166 cvs 702: /* if it's a valid URL, we try to normalize it */
703: /* We use the pre-redirection anchor as a base name */
1.74 cvs 704: ref = AmayaParseUrl (new_anchor->parent->address,
705: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 706: if (ref)
707: {
1.98 cvs 708: HT_FREE (new_anchor->parent->address);
709: tmp = NULL;
710: HTSACopy (&tmp, ref);
711: new_anchor->parent->address = tmp;
712: TtaFreeMemory (ref);
1.7 cvs 713: }
1.98 cvs 714: else
1.166 cvs 715: return HT_OK; /* We can't redirect anymore */
1.7 cvs 716: }
1.166 cvs 717: else
718: return HT_OK; /* We can't redirect anymore */
1.7 cvs 719:
720: /* update the current file name */
1.130 cvs 721: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.7 cvs 722: {
1.130 cvs 723: TtaFreeMemory (me->urlName);
724: me->urlName = TtaStrdup (new_anchor->parent->address);
1.7 cvs 725: }
726: else
1.130 cvs 727: /* it's a SYNC mode, so we should keep the urlName */
728: {
729: strncpy (me->urlName, new_anchor->parent->address,
730: MAX_LENGTH - 1);
731: me->urlName[MAX_LENGTH - 1] = EOS;
732: }
1.38 cvs 733: ChopURL (me->status_urlName, me->urlName);
1.116 cvs 734:
1.190 cvs 735: /* @@ verify if this is important */
736: /* @@@ new libwww doesn't need this free stream while making
737: a PUT. Is it the case everywhere or just for PUT? */
738: if (me->method != METHOD_PUT
1.192 cvs 739: && me->request->orig_output_stream != NULL)
740: {
741: AHTFWriter_FREE (me->request->orig_output_stream);
742: me->request->orig_output_stream = NULL;
743: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 744: #ifdef DEBUG_LIBWWW
1.192 cvs 745: fprintf (stderr, "redirection_handler: New URL is %s, closing "
746: "FILE %p\n", me->urlName, me->output);
1.74 cvs 747: #endif
1.192 cvs 748: fclose (me->output);
749: me->output = NULL;
750: }
1.79 cvs 751: }
1.68 cvs 752:
1.174 cvs 753: /* tell the user what we're doing */
754: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
755: me->status_urlName);
756:
757:
1.171 cvs 758: /*
759: ** launch the request
760: */
1.192 cvs 761: /* add a link relationship? */
1.174 cvs 762: /* reset the request status */
1.116 cvs 763: me->reqStatus = HT_NEW;
1.105 cvs 764: /* clear the errors */
1.116 cvs 765: HTError_deleteAll (HTRequest_error (request));
1.105 cvs 766: HTRequest_setError (request, NULL);
1.192 cvs 767: /* clear the authentication credentials, as they get regenerated */
1.174 cvs 768: HTRequest_deleteCredentialsAll (request);
769:
1.171 cvs 770: if (me->method == METHOD_POST
771: || me->method == METHOD_PUT) /* PUT, POST etc. */
772: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 773: else
1.74 cvs 774: HTLoadAnchor (new_anchor, request);
1.7 cvs 775: }
776: else
1.68 cvs 777: {
1.74 cvs 778: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
779: NULL, 0, "HTRedirectFilter");
780: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
781: NULL);
1.173 cvs 782: /* so that we can show the error message */
1.74 cvs 783: if (me->error_html)
1.173 cvs 784: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
785: me->reqStatus = HT_ERR;
1.68 cvs 786: }
787:
1.4 cvs 788: /*
1.74 cvs 789: ** By returning HT_ERROR we make sure that this is the last handler to be
790: ** called. We do this as we don't want any other filter to delete the
791: ** request object now when we have just started a new one ourselves
792: */
1.4 cvs 793: return HT_ERROR;
794: }
795:
1.151 cvs 796: #ifdef AMAYA_LOST_UPDATE
797: /*----------------------------------------------------------------------
798: precondition_handler
799: 412 "Precondition failed" handler
800: ----------------------------------------------------------------------*/
801: #if __STDC__
802: static int precondition_handler (HTRequest * request, HTResponse * response, void *context, int status)
803: #else
804: static int precondition_handler (request, response, context, status)
805: HTRequest *request;
806: HTResponse *response;
807: void *context;
808: int status;
809: #endif /* __STDC__ */
810: {
1.168 cvs 811: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
812: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 813: ThotBool force_put;
1.151 cvs 814:
815: if (!me)
816: return HT_OK; /* not an Amaya request */
817:
1.168 cvs 818: if (prompt)
819: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
820: NULL, NULL, NULL);
821: else
822: force_put = NO;
823:
824: if (force_put)
825: {
826: /* start a new PUT request without preconditions */
827: /* @@ do we need to kill the request? */
828: if (me->output && me->output != stdout)
829: {
830: fclose (me->output);
831: me->output = NULL;
832: }
833: /*
834: ** reset the Amaya and libwww request status
835: */
1.176 cvs 836:
837: /* start with a new, clean request structure */
838: HTRequest_delete (me->request);
839: me->request = HTRequest_new ();
840: /* clean the associated file structure) */
841: HTRequest_setOutputStream (me->request, NULL);
842: /* Initialize the other members of the structure */
1.171 cvs 843: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 844: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
845: HTRequest_setContext (me->request, me);
846: HTRequest_setPreemptive (me->request, NO);
847: /*
848: ** Make sure that the first request is flushed immediately and not
849: ** buffered in the output buffer
850: */
851: if (me->mode & AMAYA_FLUSH_REQUEST)
852: HTRequest_setFlush(me->request, YES);
853:
1.171 cvs 854: /* turn off preconditions */
855: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
856: me->reqStatus = HT_NEW;
857: /* make the request */
1.176 cvs 858: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
859: me->dest, me->request);
1.168 cvs 860: /* stop here */
861: return HT_ERROR;
862: }
863: else
864: {
865: /* abort the request */
866: /* @@ should we call StopRequest here? */
867: me->reqStatus = HT_ABORT;
868: /* stop here */
869: return HT_ERROR;
870: }
871: }
1.151 cvs 872:
1.168 cvs 873: /*----------------------------------------------------------------------
874: check_handler
875: Request HEAD checker filter
876: ----------------------------------------------------------------------*/
877: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 878: void * param, int status)
879: {
1.168 cvs 880: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
881: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 882: ThotBool force_put;
1.168 cvs 883:
884: if (!me)
885: return HT_OK; /* not an Amaya request */
886:
887: HTRequest_deleteAfter(me->request, check_handler);
888: /*
889: ** If head request showed that the document doesn't exist
890: ** then just go ahead and PUT it. Otherwise ask for help
891: */
892: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
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 (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
902: {
903: /* we'd need to call terminate_handler, to free the resources */
904: /* abort the request */
905: /* @@ should we call StopRequest here? */
906: me->reqStatus = HT_ABORT;
907: /* stop here */
908: return HT_ERROR;
909: }
910: else if ( (abs(status)/100) != 2)
911: {
1.176 cvs 912: /* start with a new, clean request structure */
913: HTRequest_delete (me->request);
914: me->request = HTRequest_new ();
915: /* clean the associated file structure) */
916: HTRequest_setOutputStream (me->request, NULL);
917: /* Initialize the other members of the structure */
1.171 cvs 918: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 919: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
920: HTRequest_setContext (me->request, me);
921: HTRequest_setPreemptive (me->request, NO);
922: /*
923: ** Make sure that the first request is flushed immediately and not
924: ** buffered in the output buffer
925: */
926: if (me->mode & AMAYA_FLUSH_REQUEST)
927: HTRequest_setFlush(me->request, YES);
928:
929: /* turn on the special preconditions, to avoid having this
930: ressource appear before we do the PUT */
1.168 cvs 931: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 932: me->reqStatus = HT_NEW;
1.168 cvs 933: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
934: return HT_ERROR; /* stop here */
1.176 cvs 935: }
1.168 cvs 936: else
937: {
938: if (prompt)
939: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
940: NULL, NULL, NULL);
941: else
942: force_put = FALSE;
943:
944: if (force_put)
1.151 cvs 945: {
946: /* Start a new PUT request without preconditions */
1.176 cvs 947:
948: /* get a new, clean request structure */
949: HTRequest_delete (me->request);
950: me->request = HTRequest_new ();
951: /* clean the associated file structure) */
952: HTRequest_setOutputStream (me->request, NULL);
953: /* Initialize the other members of the structure */
1.171 cvs 954: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 955: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
956: HTRequest_setContext (me->request, me);
957: HTRequest_setPreemptive (me->request, NO);
958: /*
959: ** Make sure that the first request is flushed immediately and not
960: ** buffered in the output buffer
961: */
962: if (me->mode & AMAYA_FLUSH_REQUEST)
963: HTRequest_setFlush(me->request, YES);
964: /* remove the preconditions */
1.168 cvs 965: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 966: me->reqStatus = HT_NEW;
1.176 cvs 967: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
968: me->dest, me->request);
1.168 cvs 969: return HT_ERROR; /* stop here */
1.151 cvs 970: }
1.168 cvs 971: else
972: {
973: /* we'd need to call terminate_handler, to free the resources */
974: /* abort the request */
975: /* @@ should we call StopRequest here? */
976: me->reqStatus = HT_ABORT;
977: /* stop here */
978: return HT_ERROR;
979: }
980: }
981: return HT_ERROR;
1.151 cvs 982: }
983: #endif /* AMAYA_LOST_UPDATE */
984:
1.5 cvs 985: /*----------------------------------------------------------------------
1.17 cvs 986: terminate_handler
987: this function is registered to handle the result of the request
1.5 cvs 988: ----------------------------------------------------------------------*/
1.4 cvs 989: #if __STDC__
1.7 cvs 990: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 991: #else
992: static int terminate_handler (request, response, context, status)
993: HTRequest *request;
994: HTResponse *response;
995: void *context;
996: int status;
1.123 cvs 997: #endif /* __STDC__ */
1.4 cvs 998: {
1.116 cvs 999: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1000: ThotBool error_flag;
1.116 cvs 1001: char *content_type;
1.184 cvs 1002: HTParentAnchor *anchor;
1.116 cvs 1003:
1004: if (!me)
1.153 cvs 1005: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1006:
1007: if (me->reqStatus == HT_END)
1008: /* we have already processed this request! */
1009: return HT_OK;
1010:
1011: /* if Amaya was killed, treat with this request as if it were
1012: issued by a Stop button event */
1013:
1014: if (!AmayaIsAlive ())
1.80 cvs 1015: me->reqStatus = HT_ABORT;
1.74 cvs 1016:
1.77 cvs 1017: if (status == HT_LOADED ||
1018: status == HT_CREATED ||
1.79 cvs 1019: status == HT_NO_DATA ||
1.160 cvs 1020: /* kludge for work around libwww problem */
1021: (status == HT_INTERRUPTED && me->method == METHOD_PUT) ||
1.116 cvs 1022: #ifdef AMAYA_WWW_CACHE
1023: /* what status to use to know we're downloading from a cache? */
1024: status == HT_NOT_MODIFIED ||
1025: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 1026: me->reqStatus == HT_ABORT)
1.74 cvs 1027: error_flag = FALSE;
1.13 cvs 1028: else
1.74 cvs 1029: error_flag = TRUE;
1.130 cvs 1030:
1.4 cvs 1031: /* output any errors from the server */
1.130 cvs 1032:
1.77 cvs 1033: /*
1.74 cvs 1034: ** me->output = output file which will receive an html file
1035: ** me->error_html = yes, output HTML errors in the screen
1036: ** request->error_stack == if there are any errors, they will be here
1037: ** me->error_stream_size If it's != 0 means an error message has already
1038: ** been written to the stack
1039: */
1040:
1.4 cvs 1041: /* First, we verify if there are any errors and if they are not
1.17 cvs 1042: ** yet written to the error stack. If no, then let's try to write them
1043: ** ourselves
1044: */
1.74 cvs 1045:
1046: #ifdef DEBUG_LIBWWW
1047: fprintf (stderr, "terminate_handler: URL is "
1048: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1049: status);
1.69 cvs 1050: #endif
1.74 cvs 1051:
1.69 cvs 1052: if (me->output && me->output != stdout)
1053: {
1.74 cvs 1054: /* we are writing to a file */
1055: if (me->reqStatus != HT_ABORT)
1056: { /* if the request was not aborted and */
1.80 cvs 1057: if (error_flag &&
1058: me->error_html == TRUE)
1059: /* there were some errors and we want to print them */
1060: {
1061: if (me->error_stream_size == 0)/* and the stream is empty */
1062: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 1063: **the error stack
1.77 cvs 1064: ** into the error stream */
1.80 cvs 1065: if (me->error_stream)
1066: { /* if the stream is non-empty */
1067: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 1068: /* Clear the error context, so that we can deal with
1069: this answer as if it were a normal reply */
1070: HTError_deleteAll( HTRequest_error (request));
1071: HTRequest_setError (request, NULL);
1072: error_flag = 0;
1.74 cvs 1073: }
1074: } /* if error_stack */
1.85 cvs 1075: }
1076:
1077: /* if != HT_ABORT */
1078:
1079: #ifdef DEBUG_LIBWWW
1080: fprintf (stderr, "terminate_handler: URL is %s, closing "
1081: "FILE %p\n", me->urlName, me->output);
1082: #endif
1.74 cvs 1083: fclose (me->output);
1084: me->output = NULL;
1.69 cvs 1085: }
1.80 cvs 1086:
1087: if (error_flag)
1088: me->reqStatus = HT_ERR;
1089: else if (me->reqStatus != HT_ABORT)
1090: me->reqStatus = HT_END;
1.151 cvs 1091:
1.116 cvs 1092: /* copy the content_type */
1.151 cvs 1093: if (!me->content_type)
1.88 cvs 1094: {
1.184 cvs 1095: anchor = HTRequest_anchor (request);
1096: if (anchor && HTAnchor_format (anchor))
1097: content_type = HTAtom_name (HTAnchor_format (anchor));
1.154 cvs 1098: else
1099: content_type = "www/unknown";
1100:
1.151 cvs 1101: if (content_type && content_type [0] != EOS)
1102: {
1103: /* libwww gives www/unknown when it gets an error. As this is
1104: an HTML test, we force the type to text/html */
1105: if (!strcmp (content_type, "www/unknown"))
1106: me->content_type = TtaStrdup ("text/html");
1107: else
1108: me->content_type = TtaStrdup (content_type);
1109:
1110: /* Content-Type can be specified by an httpd server's admin.
1111: To be on the safe side, we normalize its case */
1112: ConvertToLowerCase (me->content_type);
1113:
1.88 cvs 1114: #ifdef DEBUG_LIBWWW
1.151 cvs 1115: fprintf (stderr, "content type is: %s\n", me->content_type);
1.88 cvs 1116: #endif /* DEBUG_LIBWWW */
1.151 cvs 1117: }
1118: }
1.114 cvs 1119:
1.115 cvs 1120: /* to avoid a hangup while downloading css files */
1.140 cvs 1121: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.116 cvs 1122: TtaSetStatus (me->docid, 1,
1123: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1124: me->status_urlName);
1125:
1126: /* don't remove or Xt will hang up during the PUT */
1127: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1128: (me->method == METHOD_PUT)))
1.7 cvs 1129: {
1.80 cvs 1130: PrintTerminateStatus (me, status);
1131: }
1.114 cvs 1132:
1.111 cvs 1133: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1134:
1.151 cvs 1135: /* stop here */
1.150 cvs 1136: return HT_ERROR;
1.4 cvs 1137: }
1138:
1.5 cvs 1139: /*----------------------------------------------------------------------
1.17 cvs 1140: AHTLoadTerminate_handler
1.74 cvs 1141: this is an application "AFTER" Callback. It's called by the library
1142: when a request has ended, so that we can setup the correct status.
1.5 cvs 1143: ----------------------------------------------------------------------*/
1.4 cvs 1144:
1145: #ifdef __STDC__
1.111 cvs 1146: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 1147: #else
1.111 cvs 1148: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 1149: HTRequest *request;
1150: HTResponse *response;
1151: void *param;
1152: int status;
1.69 cvs 1153:
1.4 cvs 1154: #endif
1155: {
1.116 cvs 1156:
1157: /** @@@@ use this with printstatus ?? */
1158:
1.4 cvs 1159: AHTReqContext *me = HTRequest_context (request);
1160: HTAlertCallback *cbf;
1161: AHTDocId_Status *docid_status;
1162:
1.7 cvs 1163: switch (status)
1.116 cvs 1164: {
1165: case HT_LOADED:
1166: if (PROT_TRACE)
1167: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1168: me->status_urlName);
1.4 cvs 1169:
1.116 cvs 1170: docid_status = GetDocIdStatus (me->docid,
1171: Amaya->docid_status);
1.7 cvs 1172:
1.116 cvs 1173: if (docid_status != NULL && docid_status->counter > 1)
1174: TtaSetStatus (me->docid, 1,
1175: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.74 cvs 1176: me->status_urlName);
1.7 cvs 1177: break;
1.116 cvs 1178:
1179: case HT_NO_DATA:
1180: if (PROT_TRACE)
1181: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1182: me->status_urlName);
1183: TtaSetStatus (me->docid, 1,
1184: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1185: me->status_urlName);
1186: break;
1187:
1188: case HT_INTERRUPTED:
1189: if (PROT_TRACE)
1190: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1191: me->status_urlName);
1192: TtaSetStatus (me->docid, 1,
1193: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1194: NULL);
1195: break;
1.7 cvs 1196:
1.116 cvs 1197: case HT_RETRY:
1198: if (PROT_TRACE)
1199: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1200: HTResponse_retryTime (response));
1201: TtaSetStatus (me->docid, 1,
1202: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1203: me->status_urlName);
1204: break;
1.7 cvs 1205:
1.116 cvs 1206: case HT_ERROR:
1207: cbf = HTAlert_find (HT_A_MESSAGE);
1208: if (cbf)
1209: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1210: HTRequest_error (request), NULL);
1211: break;
1212:
1213: if (PROT_TRACE)
1214: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1215: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1216: TtaSetStatus (me->docid, 1,
1217: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1218: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1219: break;
1220: default:
1221: if (PROT_TRACE)
1222: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1223: break;
1224: }
1225:
1226: return HT_OK;
1227: }
1.7 cvs 1228:
1.116 cvs 1229: #ifdef DEBUG_LIBWWW
1230: static int LineTrace (const char * fmt, va_list pArgs)
1231: {
1232: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 1233: }
1.116 cvs 1234: #endif DEBUG_LIBWWW
1.4 cvs 1235:
1.27 cvs 1236: /*----------------------------------------------------------------------
1237: AHTAcceptTypesInit
1.74 cvs 1238: This function prepares the Accept header used by Amaya during
1239: the HTTP content negotiation phase
1.27 cvs 1240: ----------------------------------------------------------------------*/
1241: #ifdef __STDC__
1242: static void AHTAcceptTypesInit (HTList *c)
1243: #else /* __STDC__ */
1244: static void AHTAcceptTypesInit (c)
1245: HTList *c;
1246: #endif /* __STDC__ */
1247: {
1248: if (c == (HTList *) NULL)
1249: return;
1250:
1251: /* define here all the mime types that Amaya can accept */
1252:
1.74 cvs 1253: HTConversion_add (c, "image/png", "www/present",
1254: HTThroughLine, 1.0, 0.0, 0.0);
1255: HTConversion_add (c, "image/jpeg", "www/present",
1256: HTThroughLine, 1.0, 0.0, 0.0);
1257: HTConversion_add (c, "image/gif", "www/present",
1258: HTThroughLine, 1.0, 0.0, 0.0);
1259: HTConversion_add (c, "image/xbm", "www/present",
1260: HTThroughLine, 1.0, 0.0, 0.0);
1261: HTConversion_add (c, "image/xpm", "www/present",
1262: HTThroughLine, 1.0, 0.0, 0.0);
1.183 cvs 1263:
1.27 cvs 1264: /* Define here the equivalences between MIME types and file extensions for
1265: the types that Amaya can display */
1266:
1.176 cvs 1267: /* Initialize suffix bindings for local files */
1268: HTBind_init();
1269:
1.27 cvs 1270: /* Register the default set of file suffix bindings */
1271: HTFileInit ();
1272:
1273: /* Don't do any case distinction */
1274: HTBind_caseSensitive (FALSE);
1275: }
1.4 cvs 1276:
1.5 cvs 1277: /*----------------------------------------------------------------------
1.193 ! cvs 1278: AHTAcceptLanguagesInit
! 1279: This function prepares the Accept header used by Amaya during
! 1280: the HTTP content negotiation phase
! 1281: ----------------------------------------------------------------------*/
! 1282: #ifdef __STDC__
! 1283: static void AHTAcceptLanguagesInit (HTList *c)
! 1284: #else /* __STDC__ */
! 1285: static void AHTAcceptLanguagesInit (c)
! 1286: HTList *c;
! 1287: #endif /* __STDC__ */
! 1288: {
! 1289: STRING ptr;
! 1290: STRING lang_list;
! 1291: int count;
! 1292: double quality;
! 1293:
! 1294: if (c == (HTList *) NULL)
! 1295: return;
! 1296:
! 1297: ptr = TtaGetEnvString ("ACCEPT_LANGUAGES");
! 1298:
! 1299: if (ptr && *ptr != EOS)
! 1300: {
! 1301: /* add the default language first */
! 1302: HTLanguage_add (c, "*", -1.0);
! 1303: /* read the languages from the registry, then inject them one, by one.
! 1304: The first one is the one with the lowest priority */
! 1305: lang_list = TtaStrdup (ptr);
! 1306: /* how many languages do we have? */
! 1307: for (count = 1, ptr = lang_list; *ptr != EOS; ptr++)
! 1308: if (*ptr == ' ')
! 1309: {
! 1310: *ptr = EOS;
! 1311: count++;
! 1312: }
! 1313:
! 1314: if (count > 1)
! 1315: quality = 1.1 - (double) count/10.0;
! 1316: else
! 1317: quality = 1.0;
! 1318:
! 1319: ptr = lang_list;
! 1320: while (count--)
! 1321: {
! 1322: HTLanguage_add (c, ptr, quality);
! 1323: quality += 0.1;
! 1324: while (*ptr != EOS)
! 1325: ptr++;
! 1326: if (count)
! 1327: ptr++;
! 1328: }
! 1329:
! 1330: TtaFreeMemory (lang_list);
! 1331: }
! 1332: }
! 1333:
! 1334: /*----------------------------------------------------------------------
1.17 cvs 1335: AHTConverterInit
1336: Bindings between a source media type and a destination media type
1337: (conversion).
1.5 cvs 1338: ----------------------------------------------------------------------*/
1.15 cvs 1339: #ifdef __STDC__
1340: static void AHTConverterInit (HTList *c)
1341: #else /* __STDC__ */
1342: static void AHTConverterInit (c)
1343: HTList *c;
1344: #endif /* __STDC__ */
1.4 cvs 1345: {
1346:
1347: /* Handler for custom http error messages */
1.7 cvs 1348: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1349:
1350: /*
1351: ** These are converters that converts to something other than www/present,
1352: ** that is not directly outputting someting to the user on the screen
1353: */
1354:
1.116 cvs 1355: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert,
1356: 1.0, 0.0, 0.0);
1.4 cvs 1357: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
1358: 1.0, 0.0, 0.0);
1359: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
1360: 1.0, 0.0, 0.0);
1.116 cvs 1361: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue,
1362: 1.0, 0.0, 0.0);
1363: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial,
1364: 1.0, 0.0, 0.0);
1.4 cvs 1365: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
1366: 1.0, 0.0, 0.0);
1367: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
1368: 1.0, 0.0, 0.0);
1369:
1370: /*
1.116 cvs 1371: ** The following conversions are converting ASCII output from various
1372: ** protocols to HTML objects.
1373: */
1.4 cvs 1374: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
1375: 1.0, 0.0, 0.0);
1376:
1377: /*
1.116 cvs 1378: ** We also register a special content type guess stream that can figure out
1379: ** the content type by reading the first bytes of the stream
1380: */
1.4 cvs 1381: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
1382: 1.0, 0.0, 0.0);
1383:
1.116 cvs 1384: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1385: /*
1.116 cvs 1386: ** Register a persistent cache stream which can save an object to local
1387: ** file
1388: */
1.4 cvs 1389: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
1390: 1.0, 0.0, 0.0);
1.116 cvs 1391: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend,
1392: 1.0, 0.0, 0.0);
1393: #endif AMAYA_WWW_CACHE
1.4 cvs 1394:
1395: /*
1.116 cvs 1396: ** This dumps all other formats to local disk without any further
1397: ** action taken
1398: */
1.4 cvs 1399: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
1.190 cvs 1400: 0.3, 0.0, 0.0);
1.4 cvs 1401: }
1402:
1.27 cvs 1403:
1.15 cvs 1404: /*----------------------------------------------------------------------
1.17 cvs 1405: AHTProtocolInit
1406: Registers all amaya supported protocols.
1.15 cvs 1407: ----------------------------------------------------------------------*/
1.4 cvs 1408: static void AHTProtocolInit (void)
1409: {
1.116 cvs 1410: char *strptr;
1.4 cvs 1411:
1.116 cvs 1412: /*
1413: NB. Preemptive == YES means Blocking requests
1414: Non-preemptive == NO means Non-blocking requests
1415: */
1416: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1417: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1418: HTBufferWriter_new);
1419: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1420: #ifdef _WINDOWS
1421: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1422: #else
1.116 cvs 1423: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.136 cvs 1424: #endif _WINDOWS
1.116 cvs 1425: #ifdef AMAYA_WWW_CACHE
1426: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1427: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1428: #if 0 /* experimental code */
1.116 cvs 1429: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1430: #endif
1.116 cvs 1431:
1432: /* initialize pipelining */
1.168 cvs 1433: strptr = (char *) TtaGetEnvString ("ENABLE_PIPELINING");
1.116 cvs 1434: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1435: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1436: }
1437:
1.15 cvs 1438: /*----------------------------------------------------------------------
1.17 cvs 1439: AHTNetInit
1440: Reegisters "before" and "after" request filters.
1.15 cvs 1441: ----------------------------------------------------------------------*/
1.4 cvs 1442: static void AHTNetInit (void)
1443: {
1444:
1445: /* Register BEFORE filters
1.74 cvs 1446: ** The BEFORE filters handle proxies, caches, rule files etc.
1447: ** The filters are called in the order by which the are registered
1448: ** Not done automaticly - may be done by application!
1449: */
1.4 cvs 1450:
1.116 cvs 1451: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1452: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1453: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1454:
1455: /* register AFTER filters
1.74 cvs 1456: ** The AFTER filters handle error messages, logging, redirection,
1457: ** authentication etc.
1458: ** The filters are called in the order by which the are registered
1459: ** Not done automaticly - may be done by application!
1460: */
1.4 cvs 1461:
1.116 cvs 1462: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
1463: HT_FILTER_MIDDLE);
1464: HTNet_addAfter(HTAuthFilter, "http://*", NULL, HT_REAUTH,
1465: HT_FILTER_MIDDLE);
1466: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
1467: HT_FILTER_MIDDLE);
1468: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND,
1469: HT_FILTER_MIDDLE);
1470: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER,
1471: HT_FILTER_MIDDLE);
1472: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
1473: HT_FILTER_MIDDLE);
1.168 cvs 1474: HTNet_addAfter(HTAuthInfoFilter, "http://*", NULL, HT_ALL,
1475: HT_FILTER_MIDDLE);
1.116 cvs 1476: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
1477: HT_FILTER_MIDDLE);
1.151 cvs 1478: #ifdef AMAYA_LOST_UPDATE
1479: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED,
1480: HT_FILTER_MIDDLE);
1481: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1482: #ifndef _WINDOWS
1.116 cvs 1483: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL,
1484: HT_FILTER_LAST);
1.111 cvs 1485: #endif /* !_WINDOWS */
1.116 cvs 1486: /**** for later ?? ****/
1487: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1488: /* handles all errors */
1.116 cvs 1489: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1490: }
1491:
1.15 cvs 1492: /*----------------------------------------------------------------------
1.17 cvs 1493: AHTAlertInit
1494: Register alert messages and their callbacks.
1.15 cvs 1495: ----------------------------------------------------------------------*/
1496: #ifdef __STDC__
1497: static void AHTAlertInit (void)
1498: #else
1499: static void AHTAlertInit ()
1500: #endif
1501: {
1502: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1503: #ifdef __WINDOWS
1.70 cvs 1504: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1505: #endif /* _WINDOWS */
1.15 cvs 1506: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1507: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1508: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1509: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1510: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1511: }
1512:
1.128 cvs 1513: /*----------------------------------------------------------------------
1514: libwww_CleanCache
1515: frontend to the recursive cache cleaning function
1516: ----------------------------------------------------------------------*/
1517: #ifdef __STDC__
1518: void libwww_CleanCache (void)
1519: #else
1520: void libwww_CleanCache ()
1521: Document doc;
1522: View view;
1523: #endif /* __STDC__ */
1524: {
1.130 cvs 1525: #ifdef AMAYA_WWW_CACHE
1.185 cvs 1526: char *real_dir;
1527: char *cache_dir;
1.190 cvs 1528: char *tmp;
1.128 cvs 1529: int cache_size;
1.177 cvs 1530: int cache_expire;
1531: int cache_disconnect;
1.191 cvs 1532: ThotBool error;
1.185 cvs 1533: STRING ptr;
1.130 cvs 1534:
1.128 cvs 1535: if (!HTCacheMode_enabled ())
1.183 cvs 1536: /* don't do anything if we're not using a cache */
1537: return;
1.128 cvs 1538: /* temporarily close down the cache, purge it, then restart */
1.190 cvs 1539: tmp = (char *) HTCacheMode_getRoot ();
1540: /* don't do anything if we don't have a valid cache dir */
1541: if (!tmp || *tmp == EOS)
1542: return;
1543: cache_dir = TtaStrdup (tmp);
1.128 cvs 1544: cache_size = HTCacheMode_maxSize ();
1.177 cvs 1545: cache_expire = HTCacheMode_expires ();
1546: cache_disconnect = HTCacheMode_disconnected ();
1547:
1.185 cvs 1548: /* get something we can work on :) */
1.190 cvs 1549: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1550: real_dir = TtaGetMemory (strlen (tmp) + 20);
1551: strcpy (real_dir, tmp);
1552: HT_FREE (tmp);
1.185 cvs 1553:
1554: /* safeguard... abort the operation if cache_dir doesn't end with
1555: CACHE_DIR_NAME */
1556: error = TRUE;
1.188 cvs 1557: ptr = strstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 1558: #ifdef _WINDOWS
1559: if (ptr && *ptr && !_stricmp (ptr, CACHE_DIR_NAME))
1560: #else
1561: if (ptr && *ptr && !strcasecmp (ptr, CACHE_DIR_NAME))
1562: #endif /* _WINDOWS */
1563: error = FALSE;
1564: if (error)
1565: return;
1566:
1.130 cvs 1567: /* remove the concurrent cache lock */
1568: #ifdef DEBUG_LIBWWW
1569: fprintf (stderr, "Clearing the cache lock\n");
1570: #endif /* DEBUG_LIBWWW */
1571: clear_cachelock ();
1.128 cvs 1572: HTCacheTerminate ();
1.185 cvs 1573: HTCacheMode_setEnabled (FALSE);
1574:
1575: RecCleanCache (real_dir);
1.128 cvs 1576:
1.177 cvs 1577: HTCacheMode_setExpires (cache_expire);
1578: HTCacheMode_setDisconnected (cache_disconnect);
1.183 cvs 1579: HTCacheInit (cache_dir, cache_size);
1.130 cvs 1580: /* set a new concurrent cache lock */
1.185 cvs 1581: strcat (real_dir, ".lock");
1582: if (set_cachelock (real_dir) == -1)
1.130 cvs 1583: /* couldn't open the .lock file, so, we close the cache to
1584: be in the safe side */
1585: {
1586: #ifdef DEBUG_LIBWWW
1587: fprintf (stderr, "couldnt set the cache lock\n");
1588: #endif /* DEBUG_LIBWWW */
1589: HTCacheTerminate ();
1.185 cvs 1590: HTCacheMode_setEnabled (FALSE);
1.130 cvs 1591: }
1592: #ifdef DEBUG_LIBWWW
1593: fprintf (stderr, "set a cache lock\n");
1594: #endif /* DEBUG_LIBWWW */
1.185 cvs 1595: TtaFreeMemory (real_dir);
1.128 cvs 1596: TtaFreeMemory (cache_dir);
1597: #endif /* AMAYA_WWW_CACHE */
1598: }
1599:
1.118 cvs 1600: #ifdef AMAYA_WWW_CACHE
1601: /*----------------------------------------------------------------------
1.128 cvs 1602: RecCleanCache
1.118 cvs 1603: Clears an existing cache directory
1604: ----------------------------------------------------------------------*/
1605: #ifdef __STDC__
1.128 cvs 1606: static void RecCleanCache (char *dirname)
1.118 cvs 1607: #else
1.128 cvs 1608: static void RecCleanCache (char *dirname)
1609: Document doc;
1610: View view;
1.118 cvs 1611: #endif /* __STDC__ */
1.128 cvs 1612:
1613: #ifdef _WINDOWS
1614: {
1615: HANDLE hFindFile;
1.191 cvs 1616: ThotBool status;
1.128 cvs 1617: WIN32_FIND_DATA ffd;
1618:
1619: char t_dir [MAX_LENGTH];
1.130 cvs 1620: char *ptr;
1.128 cvs 1621:
1.130 cvs 1622: /* create a t_dir name to start searching for files */
1.128 cvs 1623: if ((strlen (dirname) + 10) > MAX_LENGTH)
1624: /* ERROR: directory name is too big */
1625: return;
1626:
1627: strcpy (t_dir, dirname);
1.130 cvs 1628: /* save the end of the dirname. We'll use it to make
1629: a complete pathname when erasing files */
1630: ptr = &t_dir[strlen (t_dir)];
1631: strcat (t_dir, "*");
1.128 cvs 1632:
1.130 cvs 1633: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1634:
1635: if (hFindFile == INVALID_HANDLE_VALUE)
1636: /* nothing to erase? */
1637: return;
1638:
1639: status = TRUE;
1.130 cvs 1640: while (status)
1641: {
1642: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1643: {
1644: /* it's a directory, erase it recursively */
1645: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1646: {
1647: strcpy (ptr, ffd.cFileName);
1648: strcat (ptr, DIR_STR);
1649: RecCleanCache (t_dir);
1.137 cvs 1650: # ifdef _WINDOWS
1651: _rmdir (t_dir);
1652: # else /* !_WINDOWS */
1.133 cvs 1653: rmdir (t_dir);
1.137 cvs 1654: # endif /* _WINDOWS */
1.133 cvs 1655: }
1656: }
1657: else
1.130 cvs 1658: {
1.133 cvs 1659: /* it's a file, erase it */
1.130 cvs 1660: strcpy (ptr, ffd.cFileName);
1.133 cvs 1661: TtaFileUnlink (t_dir);
1.130 cvs 1662: }
1663: status = FindNextFile (hFindFile, &ffd);
1664: }
1.128 cvs 1665: FindClose (hFindFile);
1666: }
1667:
1668: #else /* _WINDOWS */
1.118 cvs 1669: {
1670: DIR *dp;
1671: struct stat st;
1672: #ifdef HAVE_DIRENT_H
1673: struct dirent *d;
1674: #else
1675: struct direct *d;
1676: #endif /* HAVE_DIRENT_H */
1.128 cvs 1677: char filename[BUFSIZ+1];
1.118 cvs 1678:
1679: if ((dp = opendir (dirname)) == NULL)
1680: {
1681: /* @@@ we couldn't open the directory ... we need some msg */
1682: perror (dirname);
1.176 cvs 1683: return;
1.118 cvs 1684: }
1685:
1686: while ((d = readdir (dp)) != NULL)
1687: {
1688: /* skip the UNIX . and .. links */
1689: if (!strcmp (d->d_name, "..")
1690: || !strcmp (d->d_name, "."))
1691: continue;
1692:
1.188 cvs 1693: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 1694: if (lstat (filename, &st) < 0 )
1695: {
1696: /* @@2 need some error message */
1697: perror (filename);
1698: continue;
1699: }
1700:
1701: switch (st.st_mode & S_IFMT)
1702: {
1703: case S_IFDIR:
1704: /* if we find a directory, we erase it, recursively */
1.128 cvs 1705: strcat (filename, DIR_STR);
1706: RecCleanCache (filename);
1707: rmdir (filename);
1.118 cvs 1708: break;
1709: case S_IFLNK:
1710: /* skip any links we find */
1711: continue;
1712: break;
1713: default:
1714: /* erase the filename */
1715: TtaFileUnlink (filename);
1716: break;
1717: }
1718: }
1719: closedir (dp);
1720: }
1.128 cvs 1721: #endif /* _WINDOWS */
1.118 cvs 1722: #endif /* AMAYA_WWW_CACHE */
1723:
1.116 cvs 1724: /*----------------------------------------------------------------------
1725: CacheInit
1726: Reads the cache settings from the thot.ini file.
1727: ----------------------------------------------------------------------*/
1.118 cvs 1728: #ifdef __STDC__
1.116 cvs 1729: static void CacheInit (void)
1.118 cvs 1730: #else
1731: static void Cacheinit ()
1732: #endif
1733:
1.116 cvs 1734: {
1735: #ifndef AMAYA_WWW_CACHE
1736: HTCacheMode_setEnabled (NO);
1737:
1738: #else /* AMAYA_WWW_CACHE */
1739: char *strptr;
1740: char *cache_dir = NULL;
1.185 cvs 1741: char *real_dir = NULL;
1.130 cvs 1742: char *cache_lockfile;
1743: int cache_size;
1.176 cvs 1744: int cache_entry_size;
1.191 cvs 1745: ThotBool cache_enabled;
1746: ThotBool cache_locked;
1747: ThotBool tmp_bool;
1.130 cvs 1748:
1.185 cvs 1749: int i;
1750:
1.116 cvs 1751: /* activate cache? */
1.165 cvs 1752: strptr = (char *) TtaGetEnvString ("ENABLE_CACHE");
1.152 cvs 1753: if (strptr && *strptr && strcasecmp (strptr, "yes" ))
1.130 cvs 1754: cache_enabled = NO;
1.116 cvs 1755: else
1.130 cvs 1756: cache_enabled = YES;
1.116 cvs 1757:
1.151 cvs 1758: /* cache protected documents? */
1.152 cvs 1759: strptr = (char *) TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1760: if (strptr && *strptr && !strcasecmp (strptr, "yes" ))
1.151 cvs 1761: HTCacheMode_setProtected (YES);
1762: else
1763: HTCacheMode_setProtected (NO);
1764:
1.116 cvs 1765: /* get the cache dir (or use a default one) */
1766: strptr = (char *) TtaGetEnvString ("CACHE_DIR");
1767: if (strptr && *strptr)
1768: {
1.185 cvs 1769: real_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 20);
1770: strcpy (real_dir, strptr);
1771: if (*(real_dir + strlen (real_dir) - 1) != DIR_SEP)
1772: strcat (real_dir, DIR_STR);
1.116 cvs 1773: }
1774: else
1775: {
1.185 cvs 1776: real_dir = TtaGetMemory (strlen (TempFileDirectory)
1777: + strlen (CACHE_DIR_NAME) + 20);
1.186 cvs 1778: sprintf (real_dir, "%s%s", TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 1779: }
1780:
1781: /* compatiblity with previous versions of Amaya: does real_dir
1782: include CACHE_DIR_NAME? If not, add it */
1783: strptr = strstr (real_dir, CACHE_DIR_NAME);
1784: if (!strptr)
1785: {
1786: strcat (real_dir, CACHE_DIR_NAME);
1787: }
1788: else
1789: {
1790: i = strlen (CACHE_DIR_NAME);
1791: if (strptr[i] != EOS)
1792: strcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 1793: }
1.185 cvs 1794:
1795:
1796: cache_dir = TtaGetMemory (strlen (real_dir) + 10);
1.190 cvs 1797: sprintf (cache_dir, "file:%s", real_dir);
1.116 cvs 1798:
1799: /* get the cache size (or use a default one) */
1.185 cvs 1800: strptr = (char *) TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 1801: if (strptr && *strptr)
1.185 cvs 1802: cache_size = atoi (strptr);
1.116 cvs 1803: else
1804: cache_size = DEFAULT_CACHE_SIZE;
1805:
1.176 cvs 1806: /* get the max cached file size (or use a default one) */
1807: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1808: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1809:
1.130 cvs 1810: if (cache_enabled)
1.116 cvs 1811: {
1812: /* how to remove the lock? force remove it? */
1.185 cvs 1813: cache_lockfile = TtaGetMemory (strlen (real_dir) + 20);
1814: strcpy (cache_lockfile, real_dir);
1.186 cvs 1815: strcat (cache_lockfile, ".lock");
1.130 cvs 1816: cache_locked = FALSE;
1817: if (TtaFileExist (cache_lockfile)
1818: && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 1819: {
1.130 cvs 1820: #ifdef DEBUG_LIBWWW
1821: fprintf (stderr, "found a stale cache, removing it\n");
1822: #endif /* DEBUG_LIBWWW */
1823: /* remove the lock and clean the cache (the clean cache
1824: will remove all, making the following call unnecessary */
1825: /* little trick to win some memory */
1826: strptr = strrchr (cache_lockfile, '.');
1827: *strptr = EOS;
1828: RecCleanCache (cache_lockfile);
1829: *strptr = '.';
1.116 cvs 1830: }
1831:
1.130 cvs 1832: if (!cache_locked)
1833: {
1834: /* initialize the cache if there's no other amaya
1835: instance running */
1.177 cvs 1836: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1837: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool)
1838: && tmp_bool)
1839: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
1840: else
1841: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1842: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1843: if (tmp_bool)
1844: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
1845: else
1846: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.188 cvs 1847: if (HTCacheInit (cache_dir, cache_size))
1.130 cvs 1848: {
1.188 cvs 1849: if (set_cachelock (cache_lockfile) == -1)
1850: /* couldn't open the .lock file, so, we close the cache to
1851: be in the safe side */
1852: {
1853: HTCacheTerminate ();
1854: HTCacheMode_setEnabled (FALSE);
1855: #ifdef DEBUG_LIBWWW
1856: fprintf (stderr, "couldnt set the cache lock\n");
1857: #endif /* DEBUG_LIBWWW */
1858: }
1.130 cvs 1859: #ifdef DEBUG_LIBWWW
1.188 cvs 1860: else
1861: fprintf (stderr, "created the cache lock\n");
1.130 cvs 1862: #endif /* DEBUG_LIBWWW */
1863: }
1.188 cvs 1864: else
1865: {
1.130 cvs 1866: #ifdef DEBUG_LIBWWW
1.188 cvs 1867: fprintf (stderr, "couldn't create the cache\n");
1868: #endif /* DEBUG_LIBWWW */
1869: HTCacheTerminate ();
1870: }
1.130 cvs 1871: }
1872: else
1873: {
1.185 cvs 1874: HTCacheMode_setEnabled (FALSE);
1.130 cvs 1875: #ifdef DEBUG_LIBWWW
1876: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1877: #endif /* DEBUG_LIBWWW */
1878: }
1879: TtaFreeMemory (cache_lockfile);
1.116 cvs 1880: }
1881: else
1.185 cvs 1882: {
1883: HTCacheMode_setEnabled (FALSE);
1884: }
1.116 cvs 1885: if (cache_dir)
1886: TtaFreeMemory (cache_dir);
1.189 cvs 1887: if (real_dir)
1888: TtaFreeMemory (real_dir);
1.185 cvs 1889: /* warn the user if the cache isn't active */
1890: if (cache_enabled && !HTCacheMode_enabled ())
1891: {
1892: #ifdef _WINDOWS
1893: MessageBox (NULL, TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE),
1.187 cvs 1894: "Cache", MB_OK);
1.185 cvs 1895: #else /* !_WINDOWS */
1896: TtaDisplayMessage (CONFIRM, TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE),
1897: NULL);
1898: #endif /* _WINDOWS */
1899: }
1.116 cvs 1900: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1901: }
1902:
1903: /*----------------------------------------------------------------------
1.97 cvs 1904: ProxyInit
1905: Reads any proxies settings which may be declared as environmental
1906: variables or in the thot.ini file. The former overrides the latter.
1907: ----------------------------------------------------------------------*/
1.118 cvs 1908: #ifdef __STDC__
1.97 cvs 1909: static void ProxyInit (void)
1.118 cvs 1910: #else
1911: static void ProxyInit ()
1912: #endif /* __STDC__ */
1.97 cvs 1913: {
1914: char *strptr;
1915: char *str = NULL;
1916: char *name;
1917:
1918: /* get the proxy settings from the thot.ini file */
1919: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1920: if (strptr && *strptr)
1921: HTProxy_add ("http", strptr);
1922: /* get the no_proxy settings from the thot.ini file */
1923: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1924: if (strptr && *strptr)
1925: {
1926: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1927: strptr = str;
1928: while ((name = HTNextField (&strptr)) != NULL) {
1929: char *portstr = strchr (name, ':');
1930: unsigned port=0;
1931: if (portstr) {
1932: *portstr++ = '\0';
1.116 cvs 1933: if (*portstr) port = (unsigned) atoi (portstr);
1.97 cvs 1934: }
1935: /* Register it for all access methods */
1936: HTNoProxy_add (name, NULL, port);
1937: }
1938: TtaFreeMemory (str);
1939: }
1940:
1941: /* use libw3's routine to get all proxy settings from the environment */
1942: HTProxy_getEnvVar ();
1943: }
1944:
1945:
1946: /*----------------------------------------------------------------------
1.17 cvs 1947: AHTProfile_newAmaya
1948: creates the Amaya client profile for libwww.
1.15 cvs 1949: ----------------------------------------------------------------------*/
1950: #ifdef __STDC__
1951: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1952: #else /* __STDC__ */
1953: static void AHTProfile_newAmaya (AppName, AppVersion)
1954: char *AppName;
1955: char *AppVersion;
1956: #endif /* __STDC__ */
1.4 cvs 1957: {
1.158 cvs 1958: char * strptr;
1959:
1.4 cvs 1960: /* If the Library is not already initialized then do it */
1961: if (!HTLib_isInitialized ())
1962: HTLibInit (AppName, AppVersion);
1963:
1964: if (!converters)
1965: converters = HTList_new ();
1.27 cvs 1966: if (!acceptTypes)
1967: acceptTypes = HTList_new ();
1.193 ! cvs 1968: if (!acceptLanguages)
! 1969: acceptLanguages = HTList_new ();
1.151 cvs 1970: if (!transfer_encodings)
1971: transfer_encodings = HTList_new ();
1972: if (!content_encodings)
1973: content_encodings = HTList_new ();
1.4 cvs 1974:
1.169 cvs 1975: /* inhibits libwww's automatic file_suffix_binding */
1976: HTFile_doFileSuffixBinding (FALSE);
1977:
1.4 cvs 1978: /* Register the default set of transport protocols */
1979: HTTransportInit ();
1980:
1981: /* Register the default set of application protocol modules */
1982: AHTProtocolInit ();
1983:
1.116 cvs 1984: /* Register the default set of messages and dialog functions */
1985: AHTAlertInit ();
1986: HTAlert_setInteractive (YES);
1987:
1988: #ifdef AMAYA_WWW_CACHE
1989: /* Enable the persistent cache */
1990: CacheInit ();
1991: #else
1992: HTCacheMode_setEnabled (NO);
1993: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 1994:
1995: /* Register the default set of BEFORE and AFTER filters */
1996: AHTNetInit ();
1997:
1998: /* Set up the default set of Authentication schemes */
1.167 cvs 1999: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL,
2000: HTBasic_delete);
1.158 cvs 2001: /* activate MDA by defaul */
2002: strptr = (char *) TtaGetEnvString ("ENABLE_MDA");
2003: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no" )))
2004: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse,
1.167 cvs 2005: HTDigest_updateInfo, HTDigest_delete);
1.4 cvs 2006:
1.97 cvs 2007: /* Get any proxy settings */
2008: ProxyInit ();
1.4 cvs 2009:
2010: /* Register the default set of converters */
2011: AHTConverterInit (converters);
1.151 cvs 2012: HTFormat_setConversion (converters);
1.27 cvs 2013: AHTAcceptTypesInit (acceptTypes);
1.193 ! cvs 2014: AHTAcceptLanguagesInit (acceptLanguages);
1.4 cvs 2015:
2016: /* Register the default set of transfer encoders and decoders */
1.151 cvs 2017: HTTransferEncoderInit (transfer_encodings);
1.190 cvs 2018: HTFormat_setTransferCoding (transfer_encodings);
2019: /* Register the default set of content encoders and decoders */
2020: HTContentEncoderInit (content_encodings);
2021: /* ignore all other encoding formats (or libwww will send them
1.181 cvs 2022: thru a blackhole otherwise */
2023: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
1.151 cvs 2024: if (HTList_count(content_encodings) > 0)
2025: HTFormat_setContentCoding(content_encodings);
2026: else
2027: {
2028: HTList_delete(content_encodings);
2029: content_encodings = NULL;
2030: }
1.4 cvs 2031:
2032: /* Register the default set of MIME header parsers */
1.74 cvs 2033: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2034:
2035: /* Register the default set of Icons for directory listings */
1.27 cvs 2036: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2037: }
2038:
1.5 cvs 2039: /*----------------------------------------------------------------------
1.17 cvs 2040: AHTProfile_delete
2041: deletes the Amaya client profile.
1.5 cvs 2042: ----------------------------------------------------------------------*/
1.4 cvs 2043: #ifdef __STDC__
2044: static void AHTProfile_delete (void)
2045: #else
2046: static void AHTProfile_delete ()
1.7 cvs 2047: #endif /* __STDC__ */
1.4 cvs 2048: {
1.22 cvs 2049:
2050: /* free the Amaya global context */
1.151 cvs 2051:
2052: /* Clean up all the registred converters */
2053: HTFormat_deleteAll ();
2054: if (acceptTypes)
1.74 cvs 2055: HTConversion_deleteAll (acceptTypes);
1.193 ! cvs 2056: if (acceptLanguages)
! 2057: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2058:
1.74 cvs 2059: HTList_delete (Amaya->docid_status);
2060: HTList_delete (Amaya->reqlist);
2061: TtaFreeMemory (Amaya);
1.61 cvs 2062:
1.151 cvs 2063: if (HTLib_isInitialized ())
1.74 cvs 2064:
1.120 cvs 2065: #ifdef _WINDOWS
1.151 cvs 2066: HTEventTerminate ();
1.120 cvs 2067: #endif _WINDOWS;
1.74 cvs 2068:
1.151 cvs 2069: /* Clean up the persistent cache (if any) */
1.116 cvs 2070: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2071: clear_cachelock ();
2072: HTCacheTerminate ();
1.116 cvs 2073: #endif /* AMAYA_WWW_CACHE */
1.74 cvs 2074:
1.151 cvs 2075: /* Terminate libwww */
2076: HTLibTerminate ();
1.4 cvs 2077: }
2078:
1.5 cvs 2079: /*----------------------------------------------------------------------
1.116 cvs 2080: AmayacontextInit
2081: initializes an internal Amaya context for our libwww interface
2082: ----------------------------------------------------------------------*/
2083: #ifdef __STDC__
2084: static void AmayaContextInit ()
2085: #else
2086: static void AmayaContextInit ()
2087: #endif
2088:
2089: {
1.140 cvs 2090: AmayaAlive_flag = TRUE;
1.116 cvs 2091: /* Initialization of the global context */
2092: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2093: Amaya->reqlist = HTList_new ();
2094: Amaya->docid_status = HTList_new ();
2095: Amaya->open_requests = 0;
2096: }
2097:
2098: /*----------------------------------------------------------------------
1.17 cvs 2099: QueryInit
2100: initializes the libwww interface
1.5 cvs 2101: ----------------------------------------------------------------------*/
1.4 cvs 2102: #ifdef __STDC__
2103: void QueryInit ()
2104: #else
2105: void QueryInit ()
2106: #endif
2107: {
1.151 cvs 2108: char *strptr;
2109: int tmp_i;
2110: long tmp_l;
1.4 cvs 2111:
1.116 cvs 2112: AmayaContextInit ();
1.4 cvs 2113: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 2114: CanDoStop_set (TRUE);
1.4 cvs 2115:
1.116 cvs 2116: #ifdef _WINDOWS
1.125 cvs 2117: HTEventInit ();
1.116 cvs 2118: #endif /* _WINDOWS */
1.72 cvs 2119:
1.123 cvs 2120: #ifndef _WINDOWS
1.116 cvs 2121: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
2122: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.120 cvs 2123: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
2124: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 2125: #endif /* !_WINDOWS */
1.190 cvs 2126:
2127: /*** @@@@
1.176 cvs 2128: WWW_TraceFlag = 0;
1.190 cvs 2129: ***/
1.74 cvs 2130: #ifdef DEBUG_LIBWWW
1.116 cvs 2131: /* forwards error messages to our own function */
2132: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2133: HTTrace_setCallback(LineTrace);
1.4 cvs 2134: /* Trace activation (for debugging) */
1.148 cvs 2135: /***
1.138 cvs 2136: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2137: WWW_TraceFlag |= 0xFFFFFFFFl;
2138: ***/
1.152 cvs 2139: #endif
2140:
1.148 cvs 2141: /* Setting up different network parameters */
1.151 cvs 2142:
1.148 cvs 2143: /* Maximum number of simultaneous open sockets */
1.151 cvs 2144: strptr = (char *) TtaGetEnvString ("MAX_SOCKET");
2145: if (strptr && *strptr)
2146: tmp_i = atoi (strptr);
2147: else
2148: tmp_i = DEFAULT_MAX_SOCKET;
2149: HTNet_setMaxSocket (tmp_i);
2150:
1.148 cvs 2151: /* different network services timeouts */
1.151 cvs 2152: /* dns timeout */
2153: strptr = (char *) TtaGetEnvString ("DNS_TIMEOUT");
2154: if (strptr && *strptr)
2155: tmp_i = atoi (strptr);
2156: else
2157: tmp_i = DEFAULT_DNS_TIMEOUT;
2158: HTDNS_setTimeout (tmp_i);
2159:
2160: /* persistent connections timeout */
1.152 cvs 2161: strptr = (char *) TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2162: if (strptr && *strptr)
2163: tmp_l = atol (strptr);
2164: else
2165: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2166: HTHost_setPersistTimeout (tmp_l);
2167:
1.148 cvs 2168: /* default timeout in ms */
1.151 cvs 2169: strptr = (char *) TtaGetEnvString ("NET_EVENT_TIMEOUT");
2170: if (strptr && *strptr)
2171: tmp_i = atoi (strptr);
2172: else
2173: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2174: HTHost_setEventTimeout (tmp_i);
2175:
1.173 cvs 2176: HTRequest_setMaxRetry (8);
1.4 cvs 2177: #ifdef CATCH_SIG
1.148 cvs 2178: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2179: #endif
1.15 cvs 2180: }
2181:
2182: /*----------------------------------------------------------------------
1.17 cvs 2183: LoopForStop
1.136 cvs 2184: a copy of the Thop event loop so we can handle the stop button in Unix
2185: and preemptive requests under Windows
1.15 cvs 2186: ----------------------------------------------------------------------*/
2187: #ifdef __STDC__
2188: static int LoopForStop (AHTReqContext * me)
2189: #else
2190: static int LoopForStop (AHTReqContext * me)
2191: #endif
2192: {
1.136 cvs 2193: #ifdef _WINDOWS
2194: MSG msg;
2195: unsigned long libwww_msg;
2196: HWND old_active_window, libwww_window;
2197: int status_req = HT_OK;
2198:
2199: old_active_window = GetActiveWindow ();
2200: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2201:
1.149 cvs 2202: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
2203: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2204: GetMessage (&msg, NULL, 0, 0))
2205: {
2206: if (msg.message != WM_QUIT)
2207: {
2208: TranslateMessage (&msg);
2209: DispatchMessage (&msg);
2210: }
2211: else
2212: break;
2213: }
1.136 cvs 2214: if (!AmayaIsAlive ())
2215: /* Amaya was killed by one of the callback handlers */
2216: exit (0);
2217: #else /* _WINDOWS */
1.25 cvs 2218: extern ThotAppContext app_cont;
1.51 cvs 2219: XEvent ev;
2220: XtInputMask status;
1.17 cvs 2221: int status_req = HT_OK;
1.15 cvs 2222:
2223: /* to test the async calls */
1.17 cvs 2224: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2225: while (me->reqStatus != HT_ABORT &&
2226: me->reqStatus != HT_END &&
1.69 cvs 2227: me->reqStatus != HT_ERR) {
1.116 cvs 2228: if (!AmayaIsAlive ())
1.69 cvs 2229: /* Amaya was killed by one of the callback handlers */
2230: exit (0);
2231:
2232: status = XtAppPending (app_cont);
1.144 cvs 2233: if (status & XtIMXEvent)
2234: {
2235: XtAppNextEvent (app_cont, &ev);
2236: TtaHandleOneEvent (&ev);
2237: }
2238: else if (status != 0)
2239: XtAppProcessEvent (app_cont, XtIMAll);
1.69 cvs 2240: }
1.136 cvs 2241: #endif /* _WINDOWS */
1.69 cvs 2242: switch (me->reqStatus) {
2243: case HT_ERR:
2244: case HT_ABORT:
1.130 cvs 2245: status_req = NO;
1.15 cvs 2246: break;
2247:
1.69 cvs 2248: case HT_END:
1.130 cvs 2249: status_req = YES;
1.15 cvs 2250: break;
2251:
1.69 cvs 2252: default:
1.15 cvs 2253: break;
1.69 cvs 2254: }
1.15 cvs 2255: return (status_req);
1.4 cvs 2256: }
2257:
1.5 cvs 2258: /*----------------------------------------------------------------------
1.15 cvs 2259: QueryClose
1.21 cvs 2260: closes all existing threads, frees all non-automatically deallocated
2261: memory and then ends libwww.
1.5 cvs 2262: ----------------------------------------------------------------------*/
1.116 cvs 2263: void QueryClose ()
1.4 cvs 2264: {
1.24 cvs 2265:
1.140 cvs 2266: AmayaAlive_flag = FALSE;
1.24 cvs 2267:
1.116 cvs 2268: /* remove all the handlers and callbacks that may output a message to
2269: a non-existent Amaya window */
1.130 cvs 2270: #ifndef _WINDOWS
1.116 cvs 2271: HTNet_deleteAfter (AHTLoadTerminate_handler);
1.130 cvs 2272: #endif _WINDOWS
1.116 cvs 2273: HTNet_deleteAfter (redirection_handler);
2274: HTAlertCall_deleteAll (HTAlert_global () );
2275: HTAlert_setGlobal ((HTList *) NULL);
2276: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2277: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2278: #ifndef _WINDOWS
2279: /** need to erase all existing timers too **/
2280: HTTimer_registerSetTimerCallback (NULL);
2281: HTTimer_registerDeleteTimerCallback (NULL);
2282: #endif /* !_WINDOWS */
2283: HTHost_setActivateRequestCallback (NULL);
2284: Thread_deleteAll ();
1.21 cvs 2285:
1.116 cvs 2286: HTProxy_deleteAll ();
2287: HTNoProxy_deleteAll ();
2288: HTGateway_deleteAll ();
2289: AHTProfile_delete ();
2290: }
2291:
2292: /*----------------------------------------------------------------------
2293: NextNameValue
2294: ---------------------------------------------------------------------*/
2295: #ifdef __STDC__
2296: static char * NextNameValue (char ** pstr, char **name, char **value)
2297: #else
2298: static char * NextNameValue (pstr, name, value);
2299: char ** pstr;
2300: char **name;
2301: char **value;
2302: #endif /* __STDC__ */
2303: {
2304: char * p = *pstr;
2305: char * start = NULL;
2306: if (!pstr || !*pstr) return NULL;
2307:
2308: if (!*p) {
2309: *pstr = p;
2310: *name = NULL;
2311: *value = NULL;
2312: return NULL; /* No field */
2313: }
2314:
2315: /* Now search for the next '&' and ';' delimitators */
2316: start = p;
2317: while (*p && *p != '&' && *p != ';') p++;
2318: if (*p)
2319: *p++ = '\0';
2320: *pstr = p;
2321:
2322: /* Search for the name and value */
2323: *name = start;
2324: p = start;
2325:
2326: while(*p && *p != '=')
2327: p++;
2328: if (*p)
2329: *p++ = '\0';
2330: *value = p;
2331:
2332: return start;
2333: }
2334:
2335: /*----------------------------------------------------------------------
2336: PrepareFormdata
2337: ---------------------------------------------------------------------*/
2338: #ifdef __STDC__
2339: static HTAssocList * PrepareFormdata (char *string)
2340: #else
2341: static HTAssocList * PrepareFormdata (string)
2342: char *string;
2343: #endif /* __STDC__ */
2344: {
2345: char * tmp_string, * tmp_string_ptr;
2346: char * name;
2347: char * value;
2348: HTAssocList * formdata;
2349:
2350: if (!string)
2351: return NULL;
2352:
2353: /* store the ptr in another variable, as the original address will
2354: change
2355: */
2356:
2357: tmp_string_ptr = tmp_string = TtaStrdup (string);
2358: formdata = HTAssocList_new();
2359:
2360: while (*tmp_string)
2361: {
2362: NextNameValue (&tmp_string, &name, &value);
2363: HTAssocList_addObject(formdata,
2364: name, value);
2365: }
2366:
2367: TtaFreeMemory (tmp_string_ptr);
2368: return formdata;
1.4 cvs 2369: }
2370:
1.99 cvs 2371:
2372: /*----------------------------------------------------------------------
2373: InvokeGetObjectWWW_callback
2374: A simple function to invoke a callback function whenever there's an error
2375: in GetObjectWWW
2376: ---------------------------------------------------------------------*/
2377:
1.116 cvs 2378: #ifdef __STDC__
2379: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 2380: #else
1.111 cvs 2381: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 2382: int docid;
2383: char *urlName;
2384: char *outputfile;
2385: TTcbf *terminate_cbf;
2386: void *context_tcbf;
1.116 cvs 2387: #endif /* __STDC__ */
1.99 cvs 2388: {
2389: if (!terminate_cbf)
2390: return;
2391:
1.116 cvs 2392: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2393: NULL, context_tcbf);
2394: }
2395:
2396:
2397:
1.5 cvs 2398: /*----------------------------------------------------------------------
1.15 cvs 2399: GetObjectWWW
1.17 cvs 2400: this function requests a resource designated by a URLname into a
2401: temporary filename. The download can come from a simple GET operation,
2402: or can come from POSTING/GETTING a form. In the latter
2403: case, the function receives a query string to send to the server.
2404:
1.5 cvs 2405: 4 file retrieval modes are proposed:
2406: AMAYA_SYNC : blocking mode
2407: AMAYA_ISYNC : incremental, blocking mode
2408: AMAYA_ASYNC : non-blocking mode
2409: AMAYA_IASYNC : incremental, non-blocking mode
2410:
2411: In the incremental mode, each time a package arrives, it will be
2412: stored in the temporary file. In addition, if an
2413: incremental_callback function is defined, this function will be
2414: called and handled a copy of the newly received data package.
2415: Finally, if a terminate_callback function is defined, it will be
2416: invoked when the request terminates. The caller of this function
1.4 cvs 2417: can define two different contexts to be passed to the callback
2418: functions.
2419:
2420: When the function is called with the SYNC mode, the function will
2421: return only when the requested file has been loaded.
2422: The ASYNC mode will immediately return after setting up the
2423: call.
2424:
2425: Notes:
2426: At the end of a succesful request, the urlName string contains the
2427: name of the actually retrieved URL. As a URL can change over the time,
2428: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2429: caller verify the value of the urlName variable at the end of
1.4 cvs 2430: a request.
2431:
2432: Inputs:
2433: - docid Document identifier for the set of objects being
2434: retrieved.
2435: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2436: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2437: - mode The retrieval mode.
2438: - incremental_cbf
2439: - context_icbf
2440: Callback and context for the incremental modes
2441: - terminate_cbf
2442: - context_icbf
2443: Callback and context for a terminate handler
1.17 cvs 2444: -error_html if TRUE, then display any server error message as an
2445: HTML document.
1.88 cvs 2446: - content_type a string
2447:
1.4 cvs 2448: Outputs:
2449: - urlName The URL that was retrieved
2450: - outputfile The name of the temporary file which holds the
2451: retrieved data. (Only in case of success)
1.88 cvs 2452: - if content_type wasn't NULL, it will contain a copy of the parameter
2453: sent in the HTTP answer
1.4 cvs 2454: Returns:
2455: HT_ERROR
2456: HT_OK
1.5 cvs 2457:
2458: ----------------------------------------------------------------------*/
1.4 cvs 2459: #ifdef __STDC__
1.127 cvs 2460: int GetObjectWWW (int docid, char* urlName, char* formdata,
1.116 cvs 2461: char* outputfile, int mode, TIcbf* incremental_cbf,
2462: void* context_icbf, TTcbf* terminate_cbf,
1.191 cvs 2463: void* context_tcbf, ThotBool error_html, char *content_type)
1.4 cvs 2464: #else
1.127 cvs 2465: int GetObjectWWW (docid, urlName, formdata, outputfile, mode,
1.116 cvs 2466: incremental_cbf, context_icbf,
1.88 cvs 2467: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 2468: int docid;
2469: char *urlName;
1.127 cvs 2470: char *formdata;
1.73 cvs 2471: char *outputfile;
2472: int mode;
2473: TIcbf *incremental_cbf;
2474: void *context_icbf;
2475: TTcbf *terminate_cbf;
2476: void *context_tcbf;
1.191 cvs 2477: ThotBool error_html;
1.88 cvs 2478: char *content_type;
1.4 cvs 2479: #endif
2480: {
2481: AHTReqContext *me;
2482: char *ref;
1.107 cvs 2483: int status, l;
1.114 cvs 2484: int tempsubdir;
1.191 cvs 2485: ThotBool bool_tmp;
1.7 cvs 2486:
1.116 cvs 2487: if (urlName == NULL || docid == 0 || outputfile == NULL)
2488: {
2489: /* no file to be loaded */
2490: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2491:
1.116 cvs 2492: if (error_html)
1.69 cvs 2493: /* so we can show the error message */
2494: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2495: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2496: context_tcbf, HT_ERROR);
2497: return HT_ERROR;
2498: }
1.7 cvs 2499:
1.159 cvs 2500: /* if it's a 'docImage', we have already downloaded it */
2501: if (!strncmp ("internal:", urlName, 9))
2502: {
2503: strcpy (outputfile, urlName);
2504: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2505: terminate_cbf, context_tcbf, HT_OK);
2506: return HT_OK;
2507: }
2508:
1.4 cvs 2509: /* do we support this protocol? */
1.116 cvs 2510: if (IsValidProtocol (urlName) == NO)
2511: {
2512: /* return error */
2513: outputfile[0] = EOS; /* file could not be opened */
2514: TtaSetStatus (docid, 1,
2515: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2516: urlName);
2517:
2518: if (error_html)
1.69 cvs 2519: /* so we can show the error message */
2520: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2521: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2522: context_tcbf, HT_ERROR);
2523: return HT_ERROR;
2524: }
1.4 cvs 2525:
1.114 cvs 2526: /* we store CSS in subdir named 0; all the other files go to a subidr
2527: named after their own docid */
2528:
2529: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
2530:
1.116 cvs 2531: /* create a tempfilename */
2532: sprintf (outputfile, "%s%c%d%c%04dAM",
2533: TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
2534: /* update the object_counter (used for the tempfilename) */
1.4 cvs 2535: object_counter++;
1.116 cvs 2536:
1.4 cvs 2537: /* normalize the URL */
1.45 cvs 2538: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 2539: /* should we abort the request if we could not normalize the url? */
1.69 cvs 2540: if (ref == (char*) NULL || ref[0] == EOS) {
2541: /*error */
2542: outputfile[0] = EOS;
2543: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
2544:
2545: if (error_html)
1.116 cvs 2546: /* so we can show the error message */
2547: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2548: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2549: context_tcbf, HT_ERROR);
1.69 cvs 2550: return HT_ERROR;
2551: }
1.116 cvs 2552:
1.4 cvs 2553: /* verify if that file name existed */
1.9 cvs 2554: if (TtaFileExist (outputfile))
1.77 cvs 2555: TtaFileUnlink (outputfile);
1.116 cvs 2556:
1.4 cvs 2557: /* Initialize the request structure */
2558: me = AHTReqContext_new (docid);
1.116 cvs 2559: if (me == NULL)
2560: {
2561: outputfile[0] = EOS;
2562: /* need an error message here */
2563: TtaFreeMemory (ref);
2564: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2565: context_tcbf, HT_ERROR);
2566: return HT_ERROR;
2567: }
2568:
1.4 cvs 2569: /* Specific initializations for POST and GET */
1.116 cvs 2570: if (mode & AMAYA_FORM_POST)
2571: {
2572: me->method = METHOD_POST;
2573: HTRequest_setMethod (me->request, METHOD_POST);
2574: }
2575: else
2576: {
2577: me->method = METHOD_GET;
2578: if (!HasKnownFileSuffix (ref))
2579: HTRequest_setConversion(me->request, acceptTypes, TRUE);
1.193 ! cvs 2580: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
1.116 cvs 2581: }
1.93 cvs 2582:
1.116 cvs 2583: /* Common initialization for all HTML methods */
1.4 cvs 2584: me->mode = mode;
2585: me->error_html = error_html;
2586: me->incremental_cbf = incremental_cbf;
2587: me->context_icbf = context_icbf;
2588: me->terminate_cbf = terminate_cbf;
2589: me->context_tcbf = context_tcbf;
1.64 cvs 2590:
1.69 cvs 2591: /* for the async. request modes, we need to have our
1.4 cvs 2592: own copy of outputfile and urlname
1.116 cvs 2593: */
1.4 cvs 2594:
1.116 cvs 2595: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
2596: {
2597: l = strlen (outputfile);
2598: if (l > MAX_LENGTH)
2599: me->outputfile = TtaGetMemory (l + 2);
2600: else
2601: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
2602: strcpy (me->outputfile, outputfile);
2603: l = strlen (urlName);
2604: if (l > MAX_LENGTH)
2605: me->urlName = TtaGetMemory (l + 2);
2606: else
2607: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
2608: strcpy (me->urlName, urlName);
2609: #ifdef _WINDOWS
2610: /* force windows ASYNC requests to always be non preemptive */
2611: HTRequest_setPreemptive (me->request, NO);
2612: #endif /*_WINDOWS */
2613: } /* AMAYA_ASYNC mode */
2614: else
2615: #ifdef _WINDOWS
2616: {
2617: me->outputfile = outputfile;
2618: me->urlName = urlName;
2619: /* force windows SYNC requests to always be non preemptive */
2620: HTRequest_setPreemptive (me->request, YES);
2621: }
2622: #else /* !_WINDOWS */
2623: {
2624: me->outputfile = outputfile;
2625: me->urlName = urlName;
2626: }
2627: /***
1.136 cvs 2628: In order to take into account the stop button,
2629: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 2630: we will loop until the document has been received or a stop signal
2631: generated
1.77 cvs 2632: ****/
1.116 cvs 2633: HTRequest_setPreemptive (me->request, NO);
2634: #endif /* _WINDOWS */
1.61 cvs 2635:
1.151 cvs 2636: /*
2637: ** Make sure that the first request is flushed immediately and not
2638: ** buffered in the output buffer
2639: */
2640: if (mode & AMAYA_FLUSH_REQUEST)
2641: HTRequest_setFlush(me->request, YES);
2642: HTRequest_setFlush(me->request, YES);
2643:
1.61 cvs 2644: /* prepare the URLname that will be displayed in teh status bar */
2645: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 2646: TtaSetStatus (me->docid, 1,
2647: TtaGetMessage (AMAYA, AM_FETCHING),
2648: me->status_urlName);
1.4 cvs 2649:
2650: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 2651: TtaFreeMemory (ref);
1.177 cvs 2652:
2653: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
2654: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 2655: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2656:
2657: /* prepare the query string and format for POST */
2658: if (mode & AMAYA_FORM_POST)
1.114 cvs 2659: {
1.116 cvs 2660: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2661: HTAtom_for ("application/x-www-form-urlencoded"));
2662: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
2663: HTRequest_setEntityAnchor (me->request, me->anchor);
2664: }
1.114 cvs 2665:
1.127 cvs 2666: /* create the formdata element for libwww */
2667: if (formdata)
2668: me->formdata = PrepareFormdata (formdata);
2669:
1.116 cvs 2670: /* do the request */
2671: if (mode & AMAYA_FORM_POST)
1.119 cvs 2672: {
1.191 cvs 2673: /* this call doesn't give back a ThotBool */
1.119 cvs 2674: HTParentAnchor * posted = NULL;
2675:
2676: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
2677: me->request);
2678: status = posted ? YES : NO;
2679: }
1.127 cvs 2680: else if (formdata)
2681: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
2682: me->request);
1.116 cvs 2683: else
1.77 cvs 2684: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 2685:
1.123 cvs 2686: /* @@@ may need some special windows error msg here */
1.116 cvs 2687: /* control the errors */
1.4 cvs 2688:
1.130 cvs 2689: if (status == NO)
1.116 cvs 2690: /* the request invocation failed */
2691: {
2692: /* show an error message on the status bar */
2693: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
2694: TtaSetStatus (docid, 1,
2695: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
2696: urlName);
2697: if (me->reqStatus == HT_NEW)
2698: /* manually invoke the last processing that usually gets done
2699: in a succesful request */
2700: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2701: terminate_cbf, context_tcbf, HT_ERROR);
2702: /* terminate_handler wasn't called */
1.136 cvs 2703: AHTReqContext_delete (me);
1.116 cvs 2704: }
2705: else
1.136 cvs 2706: /* end treatment for SYNC requests */
1.120 cvs 2707: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2708: {
1.136 cvs 2709: /* wait here untilt the asynchronous request finishes */
1.130 cvs 2710: status = LoopForStop (me);
1.136 cvs 2711: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 2712: if (!HTRequest_kill (me->request))
2713: AHTReqContext_delete (me);
2714: }
1.130 cvs 2715:
1.136 cvs 2716: /* an interface problem!!! */
2717: return (status == YES ? 0 : -1);
1.4 cvs 2718: }
2719:
1.5 cvs 2720: /*----------------------------------------------------------------------
1.17 cvs 2721: PutObjectWWW
2722: frontend for uploading a resource to a URL. This function downloads
2723: a file to be uploaded into memory, it then calls UploadMemWWW to
2724: finish the job.
2725:
1.5 cvs 2726: 2 upload modes are proposed:
2727: AMAYA_SYNC : blocking mode
2728: AMAYA_ASYNC : non-blocking mode
2729:
1.4 cvs 2730: When the function is called with the SYNC mode, the function will
2731: return only when the file has been uploaded.
2732: The ASYNC mode will immediately return after setting up the
2733: call. Furthermore, at the end of an upload, the ASYNC mode will
2734: call back terminate_cbf, handling it the context defined in
2735: context_tcbf.
2736:
2737: Notes:
2738: At the end of a succesful request, the urlName string contains the
2739: name of the actually uploaded URL. As a URL can change over the time,
2740: (e.g., be redirected elsewhere), it is advised that the function
2741: caller verifies the value of the urlName variable at the end of
2742: a request.
2743:
2744: Inputs:
2745: - docid Document identifier for the set of objects being
2746: retrieved.
2747: - fileName A pointer to the local file to upload
2748: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
2749: - mode The retrieval mode.
2750: - terminate_cbf
2751: - context_icbf
2752: Callback and context for a terminate handler
2753:
2754: Outputs:
2755: - urlName The URL that was uploaded
2756:
2757: Returns:
2758: HT_ERROR
2759: HT_OK
1.5 cvs 2760: ----------------------------------------------------------------------*/
1.4 cvs 2761: #ifdef __STDC__
1.27 cvs 2762: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 2763: TTcbf * terminate_cbf, void *context_tcbf)
2764: #else
1.26 cvs 2765: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 2766: ,terminate_cbf, context_tcbf)
2767: int docid;
2768: char *urlName;
2769: char *fileName;
2770: int mode;
1.27 cvs 2771: PicType contentType;
1.4 cvs 2772: TTcbf *terminate_cbf;
2773: void *context_tcbf;
2774:
1.116 cvs 2775: #endif /* __STDC__ */
1.4 cvs 2776: {
1.116 cvs 2777: AHTReqContext *me;
1.4 cvs 2778: int status;
2779: int fd;
2780: struct stat file_stat;
1.116 cvs 2781: char *fileURL;
1.168 cvs 2782: char *etag = NULL;
1.169 cvs 2783: HTParentAnchor *dest_anc_parent;
2784: char *tmp;
1.168 cvs 2785: int UsePreconditions;
1.191 cvs 2786: ThotBool lost_update_check = TRUE;
1.172 cvs 2787:
2788: /* should we protect the PUT against lost updates? */
2789: tmp = (char *) TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
2790: if (tmp && *tmp && strcasecmp (tmp, "yes" ))
2791: lost_update_check = FALSE;
1.168 cvs 2792:
2793: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
1.4 cvs 2794:
1.33 cvs 2795: AmayaLastHTTPErrorMsg [0] = EOS;
2796:
1.116 cvs 2797: if (urlName == NULL || docid == 0 || fileName == NULL
2798: || !TtaFileExist (fileName))
1.4 cvs 2799: /* no file to be uploaded */
2800: return HT_ERROR;
2801:
2802: /* do we support this protocol? */
1.7 cvs 2803: if (IsValidProtocol (urlName) == NO)
2804: {
2805: /* return error */
1.77 cvs 2806: TtaSetStatus (docid, 1,
2807: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 2808: urlName);
2809: return HT_ERROR;
2810: }
1.116 cvs 2811:
2812: /* verify the file's size */
2813: #ifndef _WINDOWS
1.7 cvs 2814: if ((fd = open (fileName, O_RDONLY)) == -1)
1.116 cvs 2815: #else
1.137 cvs 2816: if ((fd = _open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.116 cvs 2817: #endif /* _WINDOWS */
1.7 cvs 2818: {
2819: /* if we could not open the file, exit */
2820: /*error msg here */
2821: return (HT_ERROR);
2822: }
1.4 cvs 2823:
2824: fstat (fd, &file_stat);
1.137 cvs 2825: # ifdef _WINDOWS
2826: _close (fd);
2827: # else /* _WINDOWS */
1.116 cvs 2828: close (fd);
1.137 cvs 2829: # endif /* _WINDOWS */
1.4 cvs 2830:
1.7 cvs 2831: if (file_stat.st_size == 0)
2832: {
2833: /* file was empty */
2834: /*errmsg here */
2835: return (HT_ERROR);
2836: }
1.116 cvs 2837:
2838: /* prepare the request context */
1.4 cvs 2839: if (THD_TRACE)
1.116 cvs 2840: fprintf (stderr, "file size == %u\n", (unsigned) file_stat.st_size);
1.4 cvs 2841:
2842: me = AHTReqContext_new (docid);
1.7 cvs 2843: if (me == NULL)
2844: {
1.168 cvs 2845: /* @@ need an error message here */
1.151 cvs 2846: TtaHandlePendingEvents ();
1.7 cvs 2847: return (HT_ERROR);
2848: }
1.116 cvs 2849:
1.4 cvs 2850: me->mode = mode;
2851: me->incremental_cbf = (TIcbf *) NULL;
2852: me->context_icbf = (void *) NULL;
2853: me->terminate_cbf = terminate_cbf;
2854: me->context_tcbf = context_tcbf;
2855: me->urlName = urlName;
1.116 cvs 2856: me->block_size = file_stat.st_size;
1.17 cvs 2857: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 2858: me->method = METHOD_PUT;
2859: me->output = stdout;
1.17 cvs 2860: /* we are not expecting to receive any input from the server */
2861: me->outputfile = (char *) NULL;
1.4 cvs 2862:
1.134 cvs 2863: #ifdef _WINDOWS
2864: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 2865: so we sidestep it */
1.134 cvs 2866: fileURL = NULL;
2867: StrAllocCopy (fileURL, "file:");
2868: StrAllocCat (fileURL, fileName);
2869: #else
1.116 cvs 2870: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 2871: #endif /* _WINDOWS */
1.168 cvs 2872: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 2873: HT_FREE (fileURL);
1.168 cvs 2874: me->dest = HTAnchor_findAddress (urlName);
1.169 cvs 2875: /* we memorize the anchor's parent @ as we use it a number of times
2876: in the following lines */
2877: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 2878:
1.169 cvs 2879: /*
2880: ** Set the Content-Type of the file we are uploading
2881: */
2882: /* we try to use any content-type previosuly associated
2883: with the parent. If it doesn't exist, we try to guess it
2884: from the URL */
2885: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2886: if (!tmp || !strcmp (tmp, "www/unknown"))
2887: {
2888: HTAnchor_setFormat (dest_anc_parent,
2889: AHTGuessAtom_for (me->urlName, contentType));
2890: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2891: }
2892: /* .. and we give the same type to the source anchor */
2893: /* we go thru setOutputFormat, rather than change the parent's
2894: anchor, as that's the place that libwww expects it to be */
2895:
1.170 cvs 2896: HTAnchor_setFormat (HTAnchor_parent (me->source),
1.169 cvs 2897: HTAtom_for (tmp));
2898: HTRequest_setOutputFormat (me->request,
2899: HTAtom_for (tmp));
1.134 cvs 2900: /* define other request characteristics */
1.116 cvs 2901: #ifdef _WINDOWS
1.136 cvs 2902: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2903: #else
1.134 cvs 2904: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2905: #endif /* _WINDOWS */
2906:
1.151 cvs 2907: /*
2908: ** Make sure that the first request is flushed immediately and not
2909: ** buffered in the output buffer
2910: */
2911: if (mode & AMAYA_FLUSH_REQUEST)
2912: HTRequest_setFlush(me->request, YES);
1.168 cvs 2913:
2914: /* Should we use preconditions? */
1.172 cvs 2915: if (lost_update_check)
1.168 cvs 2916: {
1.172 cvs 2917: if (UsePreconditions)
2918: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
2919:
2920: if (etag)
2921: {
2922: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
2923: }
2924: else
2925: {
2926: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2927: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
2928: HT_FILTER_MIDDLE, YES);
1.175 cvs 2929: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
2930: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
2931: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
2932: HT_REAUTH, HT_FILTER_MIDDLE, YES);
2933: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
2934: HT_ALL, HT_FILTER_MIDDLE, YES);
2935: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
2936: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 2937: }
1.168 cvs 2938: }
2939: else
2940: {
1.172 cvs 2941: /* don't use preconditions */
1.168 cvs 2942: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2943: }
1.151 cvs 2944:
1.136 cvs 2945: /* don't use the cache while saving a document */
2946: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 2947:
1.164 cvs 2948: /* Throw away any reponse body */
2949: /*
2950: HTRequest_setOutputStream (me->request, HTBlackHole());
2951: */
2952:
1.168 cvs 2953: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 2954: ChopURL (me->status_urlName, me->urlName);
2955: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1.168 cvs 2956: me->status_urlName);
1.114 cvs 2957:
1.164 cvs 2958: /* make the request */
1.172 cvs 2959: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 2960: status = HTHeadAnchor (me->dest, me->request);
2961: else
2962: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 2963:
1.130 cvs 2964: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 2965: {
1.168 cvs 2966: /* part of the stop button handler */
2967: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2968: status = LoopForStop (me);
1.15 cvs 2969: }
1.136 cvs 2970: if (!HTRequest_kill (me->request))
2971: AHTReqContext_delete (me);
1.168 cvs 2972:
1.116 cvs 2973: TtaHandlePendingEvents ();
1.90 cvs 2974:
1.130 cvs 2975: return (status == YES ? 0 : -1);
1.28 cvs 2976: }
1.4 cvs 2977:
1.5 cvs 2978: /*----------------------------------------------------------------------
1.138 cvs 2979: StopRequest
1.17 cvs 2980: stops (kills) all active requests associated with a docid
1.5 cvs 2981: ----------------------------------------------------------------------*/
1.4 cvs 2982: #ifdef __STDC__
2983: void StopRequest (int docid)
2984: #else
2985: void StopRequest (docid)
2986: int docid;
2987: #endif
2988: {
1.140 cvs 2989: if (Amaya && CanDoStop ())
1.138 cvs 2990: {
1.139 cvs 2991: #if 0 /* for later */
1.140 cvs 2992: AHTDocId_Status *docid_status;
2993: /* verify if there are any requests at all associated with docid */
1.138 cvs 2994: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
2995: Amaya->docid_status);
2996: if (docid_status == (AHTDocId_Status *) NULL)
2997: return;
1.139 cvs 2998: #endif /* 0 */
1.138 cvs 2999: /* temporary call to stop all requests, as libwww changed its API */
3000: StopAllRequests (docid);
3001: }
3002: }
3003:
1.190 cvs 3004: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3005: /*----------------------------------------------------------------------
3006: StopAllRequests
3007: stops (kills) all active requests. We use the docid
3008: ----------------------------------------------------------------------*/
3009: #ifdef __STDC__
3010: void StopAllRequests (int docid)
3011: #else
1.140 cvs 3012: void StopAllRequests (docid)
1.138 cvs 3013: int docid;
3014: #endif
3015: {
1.4 cvs 3016: HTList *cur;
3017: AHTReqContext *me;
1.191 cvs 3018: static ThotBool lock_stop = 0;
3019: ThotBool async_flag;
1.116 cvs 3020:
1.138 cvs 3021: /* only do the stop if we're not being called while processing a
1.146 cvs 3022: request, and if we're not already dealing with a stop */
3023: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 3024: {
1.100 cvs 3025: #ifdef DEBUG_LIBWWW
1.138 cvs 3026: fprintf (stderr, "StopRequest: number of Amaya requests "
3027: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3028: #endif /* DEBUG_LIBWWW */
1.150 cvs 3029: /* enter the critical section */
1.146 cvs 3030: lock_stop = TRUE;
1.164 cvs 3031: /* expire all outstanding timers */
3032: HTTimer_expireAll ();
1.160 cvs 3033: /* HTNet_killAll (); */
1.116 cvs 3034: cur = Amaya->reqlist;
3035: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
3036: {
1.140 cvs 3037: if (AmayaIsAlive ())
1.160 cvs 3038: {
1.161 cvs 3039: #ifdef DEBUG_LIBWWW
1.163 cvs 3040: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3041: #endif /* DEBUG_LIBWWW */
3042:
1.165 cvs 3043: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 3044: {
3045: if ((me->mode & AMAYA_ASYNC)
3046: || (me->mode & AMAYA_IASYNC))
3047: async_flag = TRUE;
3048: else
3049: async_flag = FALSE;
3050:
1.165 cvs 3051: /* change the status to say that the request aborted */
3052: me->reqStatus = HT_ABORT;
3053:
1.163 cvs 3054: /* kill the request, using the appropriate function */
3055: if (me->request->net)
3056: HTNet_killPipe (me->request->net);
3057: else
3058: {
1.160 cvs 3059: if (me->terminate_cbf)
3060: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3061: me->outputfile,
3062: me->content_type,
3063: me->context_tcbf);
1.164 cvs 3064:
3065: if (async_flag)
1.165 cvs 3066: /* explicitly free the request context for async
3067: requests. The sync requests context is freed by LoopForStop */
1.164 cvs 3068: AHTReqContext_delete (me);
1.160 cvs 3069: }
1.163 cvs 3070: cur = Amaya->reqlist;
3071: }
1.142 cvs 3072: #ifndef _WINDOWS
3073: #ifdef WWW_XWINDOWS
1.140 cvs 3074: /* to be on the safe side, remove all outstanding X events */
1.160 cvs 3075: else
3076: RequestKillAllXtevents (me);
1.142 cvs 3077: #endif /* WWW_XWINDOWS */
3078: #endif /* !_WINDOWS */
1.160 cvs 3079: }
1.116 cvs 3080: }
1.150 cvs 3081: /* Delete remaining channels */
3082: HTChannel_safeDeleteAll ();
3083: /* exit the critical section */
1.148 cvs 3084: lock_stop = FALSE;
1.100 cvs 3085: #ifdef DEBUG_LIBWWW
1.138 cvs 3086: fprintf (stderr, "StopRequest: number of Amaya requests "
3087: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3088: #endif /* DEBUG_LIBWWW */
1.138 cvs 3089: }
3090: } /* StopAllRequests */
1.17 cvs 3091:
3092:
1.105 cvs 3093: /*----------------------------------------------------------------------
3094: AmayaIsAlive
1.140 cvs 3095: returns the value of the AmayaAlive_flag
1.105 cvs 3096: ----------------------------------------------------------------------*/
3097: #ifdef __STDC__
1.191 cvs 3098: ThotBool AmayaIsAlive (void)
1.105 cvs 3099: #else
1.191 cvs 3100: ThotBool AmayaIsAlive ()
1.105 cvs 3101: #endif /* _STDC_ */
3102: {
1.140 cvs 3103: return AmayaAlive_flag;
3104: }
3105:
3106: /*----------------------------------------------------------------------
3107: CanDoStop
3108: returns the value of the CanDoStop flag
3109: ----------------------------------------------------------------------*/
3110: #ifdef __STDC__
1.191 cvs 3111: ThotBool CanDoStop (void)
1.140 cvs 3112: #else
1.191 cvs 3113: ThotBool CanDoStop ()
1.140 cvs 3114: #endif /* _STDC_ */
3115: {
3116: return CanDoStop_flag;
3117: }
3118:
3119: /*----------------------------------------------------------------------
3120: CanDoStop_set
3121: sets the value of the CanDoStop flag
3122: ----------------------------------------------------------------------*/
3123: #ifdef __STDC__
1.191 cvs 3124: void CanDoStop_set (ThotBool value)
1.140 cvs 3125: #else
3126: void CanDoStop (value)
1.191 cvs 3127: ThotBool value;
1.140 cvs 3128: #endif /* _STDC_ */
3129: {
3130: CanDoStop_flag = value;
1.176 cvs 3131: }
3132:
3133: #ifdef __STDC__
3134: void libwww_updateNetworkConf (int status)
3135: #else
3136: void libwww_updateNetworkConf (status)
3137: int status;
3138: #endif /*__STDC__*/
3139: {
3140: /* @@@ the docid parameter isn't used... clean it up */
3141: int docid = 1;
3142:
3143: /* first, stop all current requests, as the network
3144: may make some changes */
3145: StopAllRequests (docid);
3146:
3147: if (status & AMAYA_PROXY_RESTART)
3148: {
3149: HTProxy_deleteAll ();
3150: ProxyInit ();
3151: }
3152:
3153: if (status & AMAYA_CACHE_RESTART)
3154: {
3155: clear_cachelock ();
3156: HTCacheTerminate ();
3157: HTCacheMode_setEnabled (NO);
3158: CacheInit ();
3159: }
1.193 ! cvs 3160:
! 3161: if (status & AMAYA_LANNEG_RESTART)
! 3162: {
! 3163: /* clear the current values */
! 3164: if (acceptLanguages)
! 3165: HTLanguage_deleteAll (acceptLanguages);
! 3166: /* read in the new ones */
! 3167: acceptLanguages = HTList_new ();
! 3168: AHTAcceptLanguagesInit (acceptLanguages);
! 3169: }
1.105 cvs 3170: }
1.116 cvs 3171:
1.69 cvs 3172: #endif /* AMAYA_JAVA */
1.77 cvs 3173:
1.116 cvs 3174: /*
3175: end of Module query.c
3176: */
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to query.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / Amaya / amaya