Annotation of Amaya/amaya/query.c, revision 1.174
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 6: */
1.4 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.44 cvs 17: #ifndef AMAYA_JAVA
18:
1.116 cvs 19: /* defines to include elsewhere
20: *********************************/
21:
1.124 cvs 22: #ifndef _WINDOWS
1.130 cvs 23: #endif /* !_WINDOWS */
1.116 cvs 24: #define AMAYA_WWW_CACHE
1.168 cvs 25: #define AMAYA_LOST_UPDATE
1.116 cvs 26:
1.128 cvs 27: #define CACHE_DIR_NAME DIR_STR"libwww-cache"
1.116 cvs 28: #define DEFAULT_CACHE_SIZE 5
1.158 cvs 29: #define DEFAULT_MAX_SOCKET 64
1.151 cvs 30: #define DEFAULT_DNS_TIMEOUT 60
31: #define DEFAULT_PERSIST_TIMEOUT 60L
1.165 cvs 32: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.116 cvs 33:
1.12 cvs 34: /* Amaya includes */
1.25 cvs 35: #define THOT_EXPORT extern
1.4 cvs 36: #include "amaya.h"
1.130 cvs 37: #include <sys/types.h>
1.70 cvs 38: #include <fcntl.h>
1.140 cvs 39: #include "HTEvtLst.h"
1.157 cvs 40: #include "HTAABrow.h"
1.7 cvs 41:
1.141 cvs 42: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 43: #define CATCH_SIG
44: #endif
45:
46: /* local structures coming from libwww and which are
1.17 cvs 47: not found in any .h file
1.7 cvs 48: */
1.68 cvs 49:
1.7 cvs 50: struct _HTStream
51: {
1.15 cvs 52: const HTStreamClass *isa;
53: FILE *fp;
1.45 cvs 54: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 55: char *end_command; /* Command to execute */
56: BOOL remove_on_close; /* Remove file? */
57: char *filename; /* Name of file */
58: HTRequest *request; /* saved for callback */
59: HTRequestCallback *callback;
1.7 cvs 60: };
61:
1.15 cvs 62:
1.7 cvs 63: struct _HTError
64: {
65: HTErrorElement element; /* Index number into HTError */
66: HTSeverity severity; /* A la VMS */
67: BOOL ignore; /* YES if msg should not go to user */
68: void *par; /* Explanation, e.g. filename */
69: int length; /* For copying by generic routine */
70: char *where; /* Which function */
71: };
72:
1.4 cvs 73: /* Type definitions and global variables etc. local to this module */
74:
1.17 cvs 75: /*----------------------------------------------------------------------*/
76:
1.4 cvs 77: /*** private variables ***/
1.17 cvs 78:
1.4 cvs 79: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 80: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.151 cvs 81: static HTList *transfer_encodings = NULL;
82: static HTList *content_encodings = NULL;
1.16 cvs 83: static int object_counter = 0; /* loaded objects counter */
1.140 cvs 84: static boolean AmayaAlive_flag; /* set to 1 if the application is active;
85: 0 if we have killed */
86: static boolean CanDoStop_flag; /* set to 1 if we can do a stop, 0
87: if we're inside a critical section */
1.128 cvs 88: #ifdef AMAYA_WWW_CACHE
1.130 cvs 89: static int fd_cachelock; /* open handle to the .lock cache file */
90: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 91:
1.15 cvs 92: #include "answer_f.h"
93: #include "query_f.h"
94: #include "AHTURLTools_f.h"
95: #include "AHTBridge_f.h"
96: #include "AHTMemConv_f.h"
97: #include "AHTFWrite_f.h"
1.4 cvs 98:
1.116 cvs 99: /* prototypes */
100:
101: #ifdef __STDC__
1.128 cvs 102: static void RecCleanCache (char *dirname);
1.123 cvs 103: #ifdef _WINDOWS
1.70 cvs 104: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 105: #endif /* _WINDOWS */
1.70 cvs 106: #else
1.128 cvs 107: static void RecCleanCache (/* char *dirname */);
1.123 cvs 108: #ifdef _WINDOWS
1.128 cvs 109: int WIN_Activate_Request (/* HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar* */);
1.116 cvs 110: #endif /* _WINDOWS */
1.70 cvs 111: #endif /* __STDC__ */
1.116 cvs 112:
1.15 cvs 113:
1.130 cvs 114: #ifdef AMAYA_WWW_CACHE
115: /***************************************************************
116: lock functions, used to avoid concurrent use of the cache
117: Mostly based on W. Richard Stevens' APUE book.
118: ***************************************************************/
119: /*----------------------------------------------------------------------
120: set_cachelock
121: sets a write lock on filename.
122: Returns -1 in case of failure, otherwise, it'll open a handle on
123: filename and fd_cachelock will take its value.
124: ----------------------------------------------------------------------*/
125: #ifdef __STDC__
126: static int set_cachelock (char *filename)
127: #else
128: static int set_cachelock (filename)
129: char *filename;
130: #endif /* __STDC__ */
131: {
132: #ifdef _WINDOWS
133: return 0;
134: #else
135: int status;
136: struct flock lock;
137:
138: lock.l_type = F_WRLCK;
139: lock.l_start = 0;
140: lock.l_whence = SEEK_SET;
141: lock.l_len = 0;
142:
143: fd_cachelock = open (filename, O_WRONLY);
144:
145: if (fd_cachelock == -1)
146: status = -1;
147: else
148: status = fcntl(fd_cachelock, F_SETLK, &lock);
149:
150: if (status == -1)
151: fd_cachelock = 0;
152:
153: return (status);
154: #endif /* _WINDOWS */
155: }
156:
157: /*----------------------------------------------------------------------
158: clear_cachelock
159: remove the write lock set on a filename.
160: It'll close the fd handle on filename and reset *fd to 0.
161: ----------------------------------------------------------------------*/
162: #ifdef __STDC__
163: static int clear_cachelock (void)
164: #else
165: static int clear_cachelock ()
166: int *fd;
167: #endif /* __STDC__ */
168: {
169: #ifdef _WINDOWS
170: return 0;
171: #else
172: int status;
173: struct flock lock;
174:
175: if (fd_cachelock)
176: return (-1);
177:
178: lock.l_type = F_UNLCK;
179: lock.l_start = 0;
180: lock.l_whence = SEEK_SET;
181: lock.l_len = 0;
182:
183: status = fcntl(fd_cachelock, F_SETLK, &lock);
184: close (fd_cachelock);
185: fd_cachelock = 0;
186:
187: return (status);
188: #endif /* _WINDOWS */
189: }
190:
191: /*----------------------------------------------------------------------
192: test_cachelock
193: returns 0 if a fd is not locked by other process, otherwise
194: returns the pid of the process who has the lock
195: ----------------------------------------------------------------------*/
196: #ifdef __STDC__
197: static int test_cachelock (char *filename)
198: #else
199: static int test_cachelock (filename)
200: char *filename;
201: #endif __STDC__
202: {
203: #ifdef _WINDOWS
204: int fd;
1.137 cvs 205: fd = _open (filename, _O_WRONLY | _O_BINARY);
1.130 cvs 206: if (fd != -1)
207: {
1.137 cvs 208: _close (fd);
1.130 cvs 209: return 0;
210: }
211: else
212: return -1;
213: #else
214: struct flock lock;
215: int fd, status;
216:
217: lock.l_type = F_WRLCK;
218: lock.l_start = 0;
219: lock.l_whence = SEEK_SET;
220: lock.l_len = 0;
221:
222: fd = open (filename, O_WRONLY);
223:
224: if (fd < 0)
225: return (-1);
226: /* is this file locked ? */
227: status = fcntl (fd, F_GETLK, &lock);
228: close (fd);
229:
230: if (status < 0)
231: return (-1);
232:
233: if (lock.l_type == F_UNLCK)
234: return (0); /* false, region is not locked by another proc */
235: return (lock.l_pid); /* true, return pid of lock owner */
236: #endif /* _WINDOWS */
237: }
238:
239: #endif /* AMAYA_WWW_CACHE */
240:
1.15 cvs 241: /*----------------------------------------------------------------------
1.17 cvs 242: GetDocIdStatus
243: gets the status associated to a docid
1.15 cvs 244: ----------------------------------------------------------------------*/
245: #ifdef __STDC__
246: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
247: #else
248: AHTDocID_Status *GetDocIdStatus (docid, documents)
249: int docid;
250: HTList *documents;
251:
252: #endif
253: {
254: AHTDocId_Status *me;
255: HTList *cur;
256:
257: if (documents)
258: {
259: cur = documents;
260:
261: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
262: {
263: if (me->docid == docid)
264: return (me);
1.18 cvs 265: }
266: }
1.15 cvs 267: return (AHTDocId_Status *) NULL;
268:
269: }
270:
1.5 cvs 271: /*----------------------------------------------------------------------
1.27 cvs 272: AHTGuessAtom_for
273: Converts an Amaya type descriptor into the equivalent MIME type.
274: ----------------------------------------------------------------------*/
275: #ifdef __STDC__
276: static HTAtom *AHTGuessAtom_for (char *urlName, PicType contentType)
277: #else
278: static HTAtom *AHTGuessAtom_for (urlName, contentType)
279: char *urlName;
280: PicType contentType;
281: #endif
282: {
283: HTAtom *atom;
284: char *filename;
1.160 cvs 285: HTEncoding enc = NULL;
286: HTEncoding cte = NULL;
287: HTLanguage lang = NULL;
1.50 cvs 288: double quality = 1.0;
1.27 cvs 289:
290: switch (contentType)
291: {
292: case xbm_type:
293: atom = HTAtom_for("image/xbm");
294: break;
295: case eps_type:
1.35 cvs 296: atom = HTAtom_for("application/postscript");
1.27 cvs 297: break;
298: case xpm_type:
299: atom = HTAtom_for("image/xpm");
300: break;
301: case gif_type:
302: atom = HTAtom_for("image/gif");
303: break;
304: case jpeg_type:
305: atom = HTAtom_for("image/jpeg");
306: break;
307: case png_type:
308: atom = HTAtom_for("image/png");
309: break;
310: case unknown_type:
311: default:
312: /*
313: ** Amaya could not detect the type, so
314: ** we try to use the filename's suffix to do so.
315: */
1.45 cvs 316: filename = AmayaParseUrl (urlName, "", AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.27 cvs 317: HTBind_getFormat (filename, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 318: TtaFreeMemory (filename);
1.27 cvs 319: if (atom == WWW_UNKNOWN)
320: /*
321: ** we could not identify the suffix, so we assign it
322: ** a default type
323: */
324: atom = HTAtom_for ("text/html");
325: break;
326: }
327:
328: return atom;
329: }
330:
331: /*----------------------------------------------------------------------
1.17 cvs 332: AHTReqContext_new
333: create a new Amaya Context Object and update the global Amaya
334: request status.
1.5 cvs 335: ----------------------------------------------------------------------*/
1.4 cvs 336: #ifdef __STDC__
337: static AHTReqContext *AHTReqContext_new (int docid)
338: #else
339: static AHTReqContext *AHTReqContext_new (docid)
340: int docid;
341:
342: #endif
343: {
344: AHTReqContext *me;
345: AHTDocId_Status *docid_status;
346:
347: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 348: outofmem (__FILE__, "AHTReqContext_new");
349:
350: /* clear the structure */
351: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 352:
1.81 cvs 353: /* Bind the Context object together with the Request Object */
354: me->request = HTRequest_new ();
355:
1.80 cvs 356: /* clean the associated file structure) */
1.79 cvs 357: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 358:
1.4 cvs 359: /* Initialize the other members of the structure */
1.17 cvs 360: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 361: me->docid = docid;
362: HTRequest_setMethod (me->request, METHOD_GET);
363: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
364: HTRequest_setContext (me->request, me);
1.116 cvs 365:
1.36 cvs 366: /* experimental */
367: me->read_sock = INVSOC;
368: me->write_sock = INVSOC;
369: me->except_sock = INVSOC;
1.4 cvs 370:
371: /* Update the global context */
372: HTList_appendObject (Amaya->reqlist, (void *) me);
373:
374: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
375:
1.7 cvs 376: if (docid_status == NULL)
377: {
1.116 cvs 378: docid_status = (AHTDocId_Status *)
379: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 380: docid_status->docid = docid;
381: docid_status->counter = 1;
382: HTList_addObject (Amaya->docid_status, (void *) docid_status);
383: }
384: else
1.4 cvs 385: docid_status->counter++;
386:
387: Amaya->open_requests++;
388:
1.74 cvs 389: #ifdef DEBUG_LIBWWW
390: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
391: #endif
1.116 cvs 392:
1.4 cvs 393: return me;
394: }
395:
1.5 cvs 396: /*----------------------------------------------------------------------
1.17 cvs 397: AHTReqContext_delete
398: Delete an Amaya Context Object and update the global Amaya request
399: status.
1.5 cvs 400: ----------------------------------------------------------------------*/
1.4 cvs 401:
402: #ifdef __STDC__
1.15 cvs 403: boolean AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 404: #else
1.15 cvs 405: boolean AHTReqContext_delete (me)
1.4 cvs 406: AHTReqContext *me;
407:
408: #endif
409: {
410: AHTDocId_Status *docid_status;
411:
1.7 cvs 412: if (me)
413: {
1.74 cvs 414: #ifdef DEBUG_LIBWWW
1.138 cvs 415: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 416: #endif
1.138 cvs 417: if (Amaya->reqlist)
418: HTList_removeObject (Amaya->reqlist, (void *) me);
419:
420: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
421: if (docid_status)
422: {
423: docid_status->counter--;
424:
425: if (docid_status->counter == 0)
426: {
427: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
428: TtaFreeMemory ((void *) docid_status);
429: }
430: }
431: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
1.154 cvs 432: AHTFWriter_FREE (HTRequest_outputStream (me->request));
1.138 cvs 433:
434: HTRequest_delete (me->request);
435:
436: if (me->output && me->output != stdout)
437: {
1.85 cvs 438: #ifdef DEBUG_LIBWWW
1.138 cvs 439: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
440: "FILE %p\n", me->urlName, me->output);
1.85 cvs 441: #endif
1.138 cvs 442: fclose (me->output);
443: me->output = NULL;
444: }
1.79 cvs 445:
1.138 cvs 446: if (me->error_stream != (char *) NULL)
447: HT_FREE (me->error_stream);
448: #ifndef _WINDOWS
449: #ifdef WWW_XWINDOWS
450: if (me->read_xtinput_id || me->write_xtinput_id ||
451: me->except_xtinput_id)
452: RequestKillAllXtevents(me);
453: #endif /* WWW_XWINDOWS */
454: #endif /* !_WINDOWS */
455:
456: if (me->reqStatus == HT_ABORT)
457: {
458: if (me->outputfile && me->outputfile[0] != EOS)
459: {
460: TtaFileUnlink (me->outputfile);
461: me->outputfile[0] = EOS;
462: }
463: }
464:
465: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
466: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
467: or in PutObjectWWW */
468: {
469: if (me->urlName)
470: TtaFreeMemory (me->urlName);
471: if (me->outputfile)
472: TtaFreeMemory (me->outputfile);
473: }
474:
475: if (me->content_type)
476: TtaFreeMemory (me->content_type);
477:
478: if (me->formdata)
479: HTAssocList_delete (me->formdata);
480:
481: /* to trace bugs */
482: memset ((void *) me, 0, sizeof (AHTReqContext));
483:
484: TtaFreeMemory ((void *) me);
485:
486: Amaya->open_requests--;
487:
488: return TRUE;
1.7 cvs 489: }
1.15 cvs 490: return FALSE;
1.4 cvs 491: }
492:
493:
1.15 cvs 494: /*----------------------------------------------------------------------
1.17 cvs 495: Thread_deleteAll
496: this function deletes the whole list of active threads.
1.5 cvs 497: ----------------------------------------------------------------------*/
1.4 cvs 498: #ifdef __STDC__
499: static void Thread_deleteAll (void)
500: #else
501: static void Thread_deleteAll ()
502: #endif
503: {
1.21 cvs 504: HTList *cur;
505: AHTReqContext *me;
506: AHTDocId_Status *docid_status;
507:
1.74 cvs 508: if (Amaya && Amaya->reqlist)
509: {
510: if (Amaya->open_requests > 0)
511: #ifdef DEBUG_LIBWWW
512: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
513: "requests\n", Amaya->open_requests);
514: #endif
515: {
516: cur = Amaya->reqlist;
517:
518: /* erase the requests */
519: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
520: {
521: if (me->request)
522: {
1.142 cvs 523: #ifndef _WINDOWS
524: #ifdef WWW_XWINDOWS
1.74 cvs 525: RequestKillAllXtevents (me);
1.142 cvs 526: #endif /* WWW_XWINDOWS */
1.138 cvs 527: #endif /* !_WINDOWS */
1.140 cvs 528: if (!HTRequest_kill (me->request))
529: AHTReqContext_delete (me);
1.74 cvs 530: }
531: } /* while */
532:
533: /* erase the docid_status entities */
534: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
535: TtaFreeMemory ((void *) docid_status);
536:
537: } /* if */
1.84 cvs 538:
1.74 cvs 539: }
1.4 cvs 540: }
541:
1.5 cvs 542: /*----------------------------------------------------------------------
1.83 cvs 543: AHTOpen_file
544: ----------------------------------------------------------------------*/
545: #ifdef __STDC__
1.85 cvs 546: int AHTOpen_file (HTRequest * request)
1.83 cvs 547: #else
1.85 cvs 548: int AHTOpen_file (request)
1.83 cvs 549: HTRequest *request;
550:
551: #endif /* __STDC__ */
552: {
553: AHTReqContext *me; /* current request */
554:
555: me = HTRequest_context (request);
556:
1.93 cvs 557: if (!me)
558: return HT_ERROR;
559:
1.83 cvs 560: #ifdef DEBUG_LIBWWW
1.116 cvs 561: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 562: #endif /* DEBUG_LIBWWW */
563:
564: if (me->reqStatus == HT_ABORT)
565: {
566: #ifdef DEBUG_LIBWWW
567: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 568: #endif /* DEBUG_LIBWWW */
569:
1.85 cvs 570: return HT_OK;
571: }
572:
1.136 cvs 573: if (me->method == METHOD_PUT)
574: {
575: me->reqStatus = HT_WAITING;
576: return HT_OK;
577: }
578:
1.85 cvs 579: if (HTRequest_outputStream (me->request))
580: {
581:
582: #ifdef DEBUG_LIBWWW
583: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
584: #endif /* DEBUG_LIBWWW */
585: return HT_OK;
586: }
587:
588: #ifdef DEBUG_LIBWWW
589: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
590: #endif /* DEBUG_LIBWWW */
591:
1.83 cvs 592: if (!(me->output) &&
593: (me->output != stdout) &&
594: #ifndef _WINDOWS
595: (me->output = fopen (me->outputfile, "w")) == NULL)
596: {
1.116 cvs 597: #else /* !_WINDOWS */
1.83 cvs 598: (me->output = fopen (me->outputfile, "wb")) == NULL)
599: {
600: #endif /* !_WINDOWS */
601:
1.131 cvs 602: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 603: #ifdef DEBUG_LIBWWW
604: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
605: #endif
1.83 cvs 606: TtaSetStatus (me->docid, 1,
607: TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE),
608: me->outputfile);
609: me->reqStatus = HT_ERR;
610: return (HT_ERROR);
611: }
612:
613: HTRequest_setOutputStream (me->request,
614: AHTFWriter_new (me->request,
615: me->output, YES));
616: me->reqStatus = HT_WAITING;
617:
618: return HT_OK;
619: }
620:
621: /*----------------------------------------------------------------------
1.17 cvs 622: redirection_handler
623: this function is registered to handle permanent and temporary
624: redirections.
625: ----------------------------------------------------------------------*/
1.4 cvs 626: #ifdef __STDC__
1.7 cvs 627: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 628: #else
629: static int redirection_handler (request, context, status)
630: HTRequest *request;
631: HTResponse *response;
632: void *param;
633: int status;
634:
635: #endif
636: {
637:
638: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 639: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 640: HTMethod method = HTRequest_method (request);
1.98 cvs 641: char *ref;
642: char *tmp;
1.4 cvs 643:
1.153 cvs 644: if (!me)
645: /* if the redirect doesn't come from Amaya, we call libwww's standard
646: redirect filter */
647: return (HTRedirectFilter (request, response, param, status));
648:
1.7 cvs 649: if (!new_anchor)
650: {
651: if (PROT_TRACE)
652: HTTrace ("Redirection. No destination\n");
653: return HT_OK;
654: }
1.4 cvs 655:
656: /*
1.166 cvs 657: ** Only do redirect on GET and HEAD
1.4 cvs 658: */
1.7 cvs 659: if (!HTMethod_isSafe (method))
660: {
1.130 cvs 661: /*
662: ** If we got a 303 See Other then change the method to GET.
663: ** Otherwise ask the user whether we should continue.
664: */
665: if (status == HT_SEE_OTHER)
666: {
667: if (PROT_TRACE)
668: HTTrace("Redirection. Changing method from %s to GET\n",
669: HTMethod_name(method));
670: HTRequest_setMethod(request, METHOD_GET);
671: }
672: else
673: {
674: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
675: if (prompt)
676: {
677: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION,
678: NULL, NULL, NULL) != YES)
1.153 cvs 679: return HT_OK;
1.130 cvs 680: }
681: }
1.7 cvs 682: }
1.4 cvs 683: /*
684: ** Start new request with the redirect anchor found in the headers.
685: ** Note that we reuse the same request object which means that we must
686: ** keep this around until the redirected request has terminated. It also
687: ** allows us in an easy way to keep track of the number of redirections
688: ** so that we can detect endless loops.
689: */
1.166 cvs 690:
1.7 cvs 691: if (HTRequest_doRetry (request))
692: {
1.174 ! cvs 693: /*
! 694: ** Start request with new credentials
! 695: */
! 696:
1.166 cvs 697: /* only do a redirect using a network protocol understood by Amaya */
698: if (IsValidProtocol (new_anchor->parent->address))
1.7 cvs 699: {
1.166 cvs 700: /* if it's a valid URL, we try to normalize it */
701: /* We use the pre-redirection anchor as a base name */
1.74 cvs 702: ref = AmayaParseUrl (new_anchor->parent->address,
703: me->urlName, AMAYA_PARSE_ALL);
1.7 cvs 704: if (ref)
705: {
1.98 cvs 706: HT_FREE (new_anchor->parent->address);
707: tmp = NULL;
708: HTSACopy (&tmp, ref);
709: new_anchor->parent->address = tmp;
710: TtaFreeMemory (ref);
1.7 cvs 711: }
1.98 cvs 712: else
1.166 cvs 713: return HT_OK; /* We can't redirect anymore */
1.7 cvs 714: }
1.166 cvs 715: else
716: return HT_OK; /* We can't redirect anymore */
1.7 cvs 717:
718: /* update the current file name */
1.130 cvs 719: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
1.7 cvs 720: {
1.130 cvs 721: TtaFreeMemory (me->urlName);
722: me->urlName = TtaStrdup (new_anchor->parent->address);
1.7 cvs 723: }
724: else
1.130 cvs 725: /* it's a SYNC mode, so we should keep the urlName */
726: {
727: strncpy (me->urlName, new_anchor->parent->address,
728: MAX_LENGTH - 1);
729: me->urlName[MAX_LENGTH - 1] = EOS;
730: }
1.38 cvs 731: ChopURL (me->status_urlName, me->urlName);
1.116 cvs 732:
1.174 ! cvs 733: /* clean the output stream */
1.79 cvs 734: if (HTRequest_outputStream (me->request) != NULL) {
1.154 cvs 735: AHTFWriter_FREE (HTRequest_outputStream (me->request));
1.85 cvs 736: if (me->output != stdout) { /* Are we writing to a file? */
1.74 cvs 737: #ifdef DEBUG_LIBWWW
1.130 cvs 738: fprintf (stderr, "redirection_handler: New URL is %s, closing "
739: "FILE %p\n", me->urlName, me->output);
1.74 cvs 740: #endif
1.79 cvs 741: fclose (me->output);
742: me->output = NULL;
743: }
1.64 cvs 744: }
1.68 cvs 745:
1.174 ! cvs 746: /* tell the user what we're doing */
! 747: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING),
! 748: me->status_urlName);
! 749:
! 750:
1.171 cvs 751: /*
752: ** launch the request
753: */
1.174 ! cvs 754: /* reset the request status */
1.116 cvs 755: me->reqStatus = HT_NEW;
1.105 cvs 756: /* clear the errors */
1.116 cvs 757: HTError_deleteAll (HTRequest_error (request));
1.105 cvs 758: HTRequest_setError (request, NULL);
1.174 ! cvs 759: /* clear the authentication credentials */
! 760: HTRequest_deleteCredentialsAll (request);
! 761:
1.171 cvs 762: if (me->method == METHOD_POST
763: || me->method == METHOD_PUT) /* PUT, POST etc. */
764: status = HTLoadAbsolute (me->urlName, request);
1.7 cvs 765: else
1.74 cvs 766: HTLoadAnchor (new_anchor, request);
1.7 cvs 767: }
768: else
1.68 cvs 769: {
1.74 cvs 770: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT,
771: NULL, 0, "HTRedirectFilter");
772: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT),
773: NULL);
1.173 cvs 774: /* so that we can show the error message */
1.74 cvs 775: if (me->error_html)
1.173 cvs 776: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
777: me->reqStatus = HT_ERR;
1.68 cvs 778: }
779:
1.4 cvs 780: /*
1.74 cvs 781: ** By returning HT_ERROR we make sure that this is the last handler to be
782: ** called. We do this as we don't want any other filter to delete the
783: ** request object now when we have just started a new one ourselves
784: */
1.4 cvs 785: return HT_ERROR;
786: }
787:
1.151 cvs 788: #ifdef AMAYA_LOST_UPDATE
789: /*----------------------------------------------------------------------
790: precondition_handler
791: 412 "Precondition failed" handler
792: ----------------------------------------------------------------------*/
793: #if __STDC__
794: static int precondition_handler (HTRequest * request, HTResponse * response, void *context, int status)
795: #else
796: static int precondition_handler (request, response, context, status)
797: HTRequest *request;
798: HTResponse *response;
799: void *context;
800: int status;
801: #endif /* __STDC__ */
802: {
1.168 cvs 803: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
804: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
805: boolean force_put;
1.151 cvs 806:
807: if (!me)
808: return HT_OK; /* not an Amaya request */
809:
1.168 cvs 810: if (prompt)
811: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
812: NULL, NULL, NULL);
813: else
814: force_put = NO;
815:
816: if (force_put)
817: {
818: /* start a new PUT request without preconditions */
819: /* @@ do we need to kill the request? */
820: if (me->output && me->output != stdout)
821: {
822: fclose (me->output);
823: me->output = NULL;
824: }
825: /*
826: ** reset the Amaya and libwww request status
827: */
828: /* clear the errors */
829: HTError_deleteAll (HTRequest_error (request));
830: HTRequest_setError (request, NULL);
1.174 ! cvs 831: /* clear the authentication credentials */
! 832: HTRequest_deleteCredentialsAll (request);
1.171 cvs 833: /* the method has to be GET in order to download the source file */
834: HTRequest_setMethod (me->request, METHOD_GET);
835: /* turn off preconditions */
836: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
837: me->reqStatus = HT_NEW;
838: /* make the request */
1.168 cvs 839: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
840: /* stop here */
841: return HT_ERROR;
842: }
843: else
844: {
845: /* abort the request */
846: /* @@ should we call StopRequest here? */
847: me->reqStatus = HT_ABORT;
848: /* stop here */
849: return HT_ERROR;
850: }
851: }
1.151 cvs 852:
1.168 cvs 853: /*----------------------------------------------------------------------
854: check_handler
855: Request HEAD checker filter
856: ----------------------------------------------------------------------*/
857: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 858: void * param, int status)
859: {
1.168 cvs 860: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
861: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
862: boolean force_put;
863:
864: if (!me)
865: return HT_OK; /* not an Amaya request */
866:
867: HTRequest_deleteAfter(me->request, check_handler);
868: /*
869: ** If head request showed that the document doesn't exist
870: ** then just go ahead and PUT it. Otherwise ask for help
871: */
872: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
873: {
874: /* we'd need to call terminate_handler, to free the resources */
875: /* abort the request */
876: /* @@ should we call StopRequest here? */
877: me->reqStatus = HT_ABORT;
878: /* stop here */
879: return HT_ERROR;
880: }
881: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
882: {
883: /* we'd need to call terminate_handler, to free the resources */
884: /* abort the request */
885: /* @@ should we call StopRequest here? */
886: me->reqStatus = HT_ABORT;
887: /* stop here */
888: return HT_ERROR;
889: }
890: else if ( (abs(status)/100) != 2)
891: {
892: /* it's a new ressource, so we start a new PUT request with a
893: "if-none-match *" precondition */
1.171 cvs 894: /* clear the errors */
895: HTError_deleteAll (HTRequest_error (request));
896: HTRequest_setError (request, NULL);
1.174 ! cvs 897: /* clear the authentication credentials */
! 898: HTRequest_deleteCredentialsAll (request);
1.171 cvs 899: /* the method has to be GET in order to download the source file */
900: HTRequest_setMethod (me->request, METHOD_GET);
1.168 cvs 901: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 902: me->reqStatus = HT_NEW;
1.168 cvs 903: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
904: return HT_ERROR; /* stop here */
905: }
906: else
907: {
908: if (prompt)
909: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
910: NULL, NULL, NULL);
911: else
912: force_put = FALSE;
913:
914: if (force_put)
1.151 cvs 915: {
916: /* Start a new PUT request without preconditions */
1.171 cvs 917: /* clear the errors */
918: HTError_deleteAll (HTRequest_error (request));
919: HTRequest_setError (request, NULL);
1.174 ! cvs 920: /* clear the authentication credentials */
! 921: HTRequest_deleteCredentialsAll (request);
1.171 cvs 922: /* the method has to be GET in order to download the source file */
923: HTRequest_setMethod (me->request, METHOD_GET);
924: /* Start a new PUT request without preconditions */
1.168 cvs 925: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 926: me->reqStatus = HT_NEW;
1.168 cvs 927: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
928: return HT_ERROR; /* stop here */
1.151 cvs 929: }
1.168 cvs 930: else
931: {
932: /* we'd need to call terminate_handler, to free the resources */
933: /* abort the request */
934: /* @@ should we call StopRequest here? */
935: me->reqStatus = HT_ABORT;
936: /* stop here */
937: return HT_ERROR;
938: }
939: }
940: return HT_ERROR;
1.151 cvs 941: }
942: #endif /* AMAYA_LOST_UPDATE */
943:
1.5 cvs 944: /*----------------------------------------------------------------------
1.17 cvs 945: terminate_handler
946: this function is registered to handle the result of the request
1.5 cvs 947: ----------------------------------------------------------------------*/
1.4 cvs 948: #if __STDC__
1.7 cvs 949: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 950: #else
951: static int terminate_handler (request, response, context, status)
952: HTRequest *request;
953: HTResponse *response;
954: void *context;
955: int status;
1.123 cvs 956: #endif /* __STDC__ */
1.4 cvs 957: {
1.116 cvs 958: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
959: boolean error_flag;
960: char *content_type;
961:
962: if (!me)
1.153 cvs 963: return HT_ERROR; /* not an Amaya request */
1.116 cvs 964:
965: if (me->reqStatus == HT_END)
966: /* we have already processed this request! */
967: return HT_OK;
968:
969: /* if Amaya was killed, treat with this request as if it were
970: issued by a Stop button event */
971:
972: if (!AmayaIsAlive ())
1.80 cvs 973: me->reqStatus = HT_ABORT;
1.74 cvs 974:
1.77 cvs 975: if (status == HT_LOADED ||
976: status == HT_CREATED ||
1.79 cvs 977: status == HT_NO_DATA ||
1.160 cvs 978: /* kludge for work around libwww problem */
979: (status == HT_INTERRUPTED && me->method == METHOD_PUT) ||
1.116 cvs 980: #ifdef AMAYA_WWW_CACHE
981: /* what status to use to know we're downloading from a cache? */
982: status == HT_NOT_MODIFIED ||
983: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 984: me->reqStatus == HT_ABORT)
1.74 cvs 985: error_flag = FALSE;
1.13 cvs 986: else
1.74 cvs 987: error_flag = TRUE;
1.130 cvs 988:
1.4 cvs 989: /* output any errors from the server */
1.130 cvs 990:
1.77 cvs 991: /*
1.74 cvs 992: ** me->output = output file which will receive an html file
993: ** me->error_html = yes, output HTML errors in the screen
994: ** request->error_stack == if there are any errors, they will be here
995: ** me->error_stream_size If it's != 0 means an error message has already
996: ** been written to the stack
997: */
998:
1.4 cvs 999: /* First, we verify if there are any errors and if they are not
1.17 cvs 1000: ** yet written to the error stack. If no, then let's try to write them
1001: ** ourselves
1002: */
1.74 cvs 1003:
1004: #ifdef DEBUG_LIBWWW
1005: fprintf (stderr, "terminate_handler: URL is "
1006: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1007: status);
1.69 cvs 1008: #endif
1.74 cvs 1009:
1.69 cvs 1010: if (me->output && me->output != stdout)
1011: {
1.74 cvs 1012: /* we are writing to a file */
1013: if (me->reqStatus != HT_ABORT)
1014: { /* if the request was not aborted and */
1.80 cvs 1015: if (error_flag &&
1016: me->error_html == TRUE)
1017: /* there were some errors and we want to print them */
1018: {
1019: if (me->error_stream_size == 0)/* and the stream is empty */
1020: AHTError_MemPrint (request); /* copy errors from
1.74 cvs 1021: **the error stack
1.77 cvs 1022: ** into the error stream */
1.80 cvs 1023: if (me->error_stream)
1024: { /* if the stream is non-empty */
1025: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 1026: /* Clear the error context, so that we can deal with
1027: this answer as if it were a normal reply */
1028: HTError_deleteAll( HTRequest_error (request));
1029: HTRequest_setError (request, NULL);
1030: error_flag = 0;
1.74 cvs 1031: }
1032: } /* if error_stack */
1.85 cvs 1033: }
1034:
1035: /* if != HT_ABORT */
1036:
1037: #ifdef DEBUG_LIBWWW
1038: fprintf (stderr, "terminate_handler: URL is %s, closing "
1039: "FILE %p\n", me->urlName, me->output);
1040: #endif
1.74 cvs 1041: fclose (me->output);
1042: me->output = NULL;
1.69 cvs 1043: }
1.80 cvs 1044:
1045: if (error_flag)
1046: me->reqStatus = HT_ERR;
1047: else if (me->reqStatus != HT_ABORT)
1048: me->reqStatus = HT_END;
1.151 cvs 1049:
1.116 cvs 1050: /* copy the content_type */
1.151 cvs 1051: if (!me->content_type)
1.88 cvs 1052: {
1.154 cvs 1053: /* @@ should get this info from response */
1054: if (request->anchor && request->anchor->content_type)
1055: content_type = request->anchor->content_type->name;
1056: else
1057: content_type = "www/unknown";
1058:
1.151 cvs 1059: if (content_type && content_type [0] != EOS)
1060: {
1061: /* libwww gives www/unknown when it gets an error. As this is
1062: an HTML test, we force the type to text/html */
1063: if (!strcmp (content_type, "www/unknown"))
1064: me->content_type = TtaStrdup ("text/html");
1065: else
1066: me->content_type = TtaStrdup (content_type);
1067:
1068: /* Content-Type can be specified by an httpd server's admin.
1069: To be on the safe side, we normalize its case */
1070: ConvertToLowerCase (me->content_type);
1071:
1.88 cvs 1072: #ifdef DEBUG_LIBWWW
1.151 cvs 1073: fprintf (stderr, "content type is: %s\n", me->content_type);
1.88 cvs 1074: #endif /* DEBUG_LIBWWW */
1.151 cvs 1075: }
1076: }
1.114 cvs 1077:
1.115 cvs 1078: /* to avoid a hangup while downloading css files */
1.140 cvs 1079: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.116 cvs 1080: TtaSetStatus (me->docid, 1,
1081: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1082: me->status_urlName);
1083:
1084: /* don't remove or Xt will hang up during the PUT */
1085: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1086: (me->method == METHOD_PUT)))
1.7 cvs 1087: {
1.80 cvs 1088: PrintTerminateStatus (me, status);
1089: }
1.114 cvs 1090:
1.111 cvs 1091: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1092:
1.151 cvs 1093: /* stop here */
1.150 cvs 1094: return HT_ERROR;
1.4 cvs 1095: }
1096:
1.5 cvs 1097: /*----------------------------------------------------------------------
1.17 cvs 1098: AHTLoadTerminate_handler
1.74 cvs 1099: this is an application "AFTER" Callback. It's called by the library
1100: when a request has ended, so that we can setup the correct status.
1.5 cvs 1101: ----------------------------------------------------------------------*/
1.4 cvs 1102:
1103: #ifdef __STDC__
1.111 cvs 1104: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 1105: #else
1.111 cvs 1106: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 1107: HTRequest *request;
1108: HTResponse *response;
1109: void *param;
1110: int status;
1.69 cvs 1111:
1.4 cvs 1112: #endif
1113: {
1.116 cvs 1114:
1115: /** @@@@ use this with printstatus ?? */
1116:
1.4 cvs 1117: AHTReqContext *me = HTRequest_context (request);
1118: HTAlertCallback *cbf;
1119: AHTDocId_Status *docid_status;
1120:
1.7 cvs 1121: switch (status)
1.116 cvs 1122: {
1123: case HT_LOADED:
1124: if (PROT_TRACE)
1125: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1126: me->status_urlName);
1.4 cvs 1127:
1.116 cvs 1128: docid_status = GetDocIdStatus (me->docid,
1129: Amaya->docid_status);
1.7 cvs 1130:
1.116 cvs 1131: if (docid_status != NULL && docid_status->counter > 1)
1132: TtaSetStatus (me->docid, 1,
1133: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.74 cvs 1134: me->status_urlName);
1.7 cvs 1135: break;
1.116 cvs 1136:
1137: case HT_NO_DATA:
1138: if (PROT_TRACE)
1139: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1140: me->status_urlName);
1141: TtaSetStatus (me->docid, 1,
1142: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1143: me->status_urlName);
1144: break;
1145:
1146: case HT_INTERRUPTED:
1147: if (PROT_TRACE)
1148: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1149: me->status_urlName);
1150: TtaSetStatus (me->docid, 1,
1151: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1152: NULL);
1153: break;
1.7 cvs 1154:
1.116 cvs 1155: case HT_RETRY:
1156: if (PROT_TRACE)
1157: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1158: HTResponse_retryTime (response));
1159: TtaSetStatus (me->docid, 1,
1160: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1161: me->status_urlName);
1162: break;
1.7 cvs 1163:
1.116 cvs 1164: case HT_ERROR:
1165: cbf = HTAlert_find (HT_A_MESSAGE);
1166: if (cbf)
1167: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1168: HTRequest_error (request), NULL);
1169: break;
1170:
1171: if (PROT_TRACE)
1172: HTTrace ("Load End.... ERROR: Can't access `%s\'\n",
1173: me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1174: TtaSetStatus (me->docid, 1,
1175: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
1176: me->status_urlName ? me->status_urlName : "<UNKNOWN>");
1177: break;
1178: default:
1179: if (PROT_TRACE)
1180: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1181: break;
1182: }
1183:
1184: return HT_OK;
1185: }
1.7 cvs 1186:
1.116 cvs 1187: #ifdef DEBUG_LIBWWW
1188: static int LineTrace (const char * fmt, va_list pArgs)
1189: {
1190: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 1191: }
1.116 cvs 1192: #endif DEBUG_LIBWWW
1.4 cvs 1193:
1.27 cvs 1194: /*----------------------------------------------------------------------
1195: AHTAcceptTypesInit
1.74 cvs 1196: This function prepares the Accept header used by Amaya during
1197: the HTTP content negotiation phase
1.27 cvs 1198: ----------------------------------------------------------------------*/
1199: #ifdef __STDC__
1200: static void AHTAcceptTypesInit (HTList *c)
1201: #else /* __STDC__ */
1202: static void AHTAcceptTypesInit (c)
1203: HTList *c;
1204: #endif /* __STDC__ */
1205: {
1206: if (c == (HTList *) NULL)
1207: return;
1208:
1209: /* define here all the mime types that Amaya can accept */
1210:
1.74 cvs 1211: HTConversion_add (c, "image/png", "www/present",
1212: HTThroughLine, 1.0, 0.0, 0.0);
1213: HTConversion_add (c, "image/jpeg", "www/present",
1214: HTThroughLine, 1.0, 0.0, 0.0);
1215: HTConversion_add (c, "image/gif", "www/present",
1216: HTThroughLine, 1.0, 0.0, 0.0);
1217: HTConversion_add (c, "image/xbm", "www/present",
1218: HTThroughLine, 1.0, 0.0, 0.0);
1219: HTConversion_add (c, "image/xpm", "www/present",
1220: HTThroughLine, 1.0, 0.0, 0.0);
1221: HTConversion_add (c, "application/postscript",
1222: "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.4 cvs 1223:
1.27 cvs 1224: /* Define here the equivalences between MIME types and file extensions for
1225: the types that Amaya can display */
1226:
1227: /* Register the default set of file suffix bindings */
1228: HTFileInit ();
1229:
1230: /* Don't do any case distinction */
1231: HTBind_caseSensitive (FALSE);
1232: }
1.4 cvs 1233:
1.5 cvs 1234: /*----------------------------------------------------------------------
1.17 cvs 1235: AHTConverterInit
1236: Bindings between a source media type and a destination media type
1237: (conversion).
1.5 cvs 1238: ----------------------------------------------------------------------*/
1.15 cvs 1239: #ifdef __STDC__
1240: static void AHTConverterInit (HTList *c)
1241: #else /* __STDC__ */
1242: static void AHTConverterInit (c)
1243: HTList *c;
1244: #endif /* __STDC__ */
1.4 cvs 1245: {
1246:
1247: /* Handler for custom http error messages */
1.7 cvs 1248: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1249:
1250: /*
1251: ** These are converters that converts to something other than www/present,
1252: ** that is not directly outputting someting to the user on the screen
1253: */
1254:
1.116 cvs 1255: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert,
1256: 1.0, 0.0, 0.0);
1.4 cvs 1257: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter,
1258: 1.0, 0.0, 0.0);
1259: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader,
1260: 1.0, 0.0, 0.0);
1.116 cvs 1261: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue,
1262: 1.0, 0.0, 0.0);
1263: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial,
1264: 1.0, 0.0, 0.0);
1.4 cvs 1265: HTConversion_add (c, "multipart/*", "*/*", HTBoundary,
1266: 1.0, 0.0, 0.0);
1267: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML,
1268: 1.0, 0.0, 0.0);
1269:
1270: /*
1.116 cvs 1271: ** The following conversions are converting ASCII output from various
1272: ** protocols to HTML objects.
1273: */
1.4 cvs 1274: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new,
1275: 1.0, 0.0, 0.0);
1276:
1277: /*
1.116 cvs 1278: ** We also register a special content type guess stream that can figure out
1279: ** the content type by reading the first bytes of the stream
1280: */
1.4 cvs 1281: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new,
1282: 1.0, 0.0, 0.0);
1283:
1.116 cvs 1284: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1285: /*
1.116 cvs 1286: ** Register a persistent cache stream which can save an object to local
1287: ** file
1288: */
1.4 cvs 1289: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter,
1290: 1.0, 0.0, 0.0);
1.116 cvs 1291: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend,
1292: 1.0, 0.0, 0.0);
1293: #endif AMAYA_WWW_CACHE
1.4 cvs 1294:
1295: /*
1.116 cvs 1296: ** This dumps all other formats to local disk without any further
1297: ** action taken
1298: */
1.4 cvs 1299: HTConversion_add (c, "*/*", "www/present", HTSaveLocally,
1300: 0.3, 0.0, 0.0);
1.116 cvs 1301:
1.4 cvs 1302: }
1303:
1.27 cvs 1304:
1.15 cvs 1305: /*----------------------------------------------------------------------
1.17 cvs 1306: AHTProtocolInit
1307: Registers all amaya supported protocols.
1.15 cvs 1308: ----------------------------------------------------------------------*/
1.4 cvs 1309: static void AHTProtocolInit (void)
1310: {
1.116 cvs 1311: char *strptr;
1.4 cvs 1312:
1.116 cvs 1313: /*
1314: NB. Preemptive == YES means Blocking requests
1315: Non-preemptive == NO means Non-blocking requests
1316: */
1317: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1318: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1319: HTBufferWriter_new);
1320: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1321: #ifdef _WINDOWS
1322: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1323: #else
1.116 cvs 1324: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.136 cvs 1325: #endif _WINDOWS
1.116 cvs 1326: #ifdef AMAYA_WWW_CACHE
1327: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1328: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1329: #if 0 /* experimental code */
1.116 cvs 1330: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1331: #endif
1.116 cvs 1332:
1333: /* initialize pipelining */
1.168 cvs 1334: strptr = (char *) TtaGetEnvString ("ENABLE_PIPELINING");
1.116 cvs 1335: if (strptr && *strptr && strcasecmp (strptr,"yes" ))
1336: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1337: }
1338:
1.15 cvs 1339: /*----------------------------------------------------------------------
1.17 cvs 1340: AHTNetInit
1341: Reegisters "before" and "after" request filters.
1.15 cvs 1342: ----------------------------------------------------------------------*/
1.4 cvs 1343: static void AHTNetInit (void)
1344: {
1345:
1346: /* Register BEFORE filters
1.74 cvs 1347: ** The BEFORE filters handle proxies, caches, rule files etc.
1348: ** The filters are called in the order by which the are registered
1349: ** Not done automaticly - may be done by application!
1350: */
1.4 cvs 1351:
1.116 cvs 1352: #ifdef AMAYA_WWW_CACHE
1353: HTNet_addBefore (HTCacheFilter, "http://*", NULL, HT_FILTER_MIDDLE);
1354: #endif /* AMAYA_WWW_CACHE */
1355: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1356: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1357: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1358:
1359: /* register AFTER filters
1.74 cvs 1360: ** The AFTER filters handle error messages, logging, redirection,
1361: ** authentication etc.
1362: ** The filters are called in the order by which the are registered
1363: ** Not done automaticly - may be done by application!
1364: */
1.4 cvs 1365:
1.116 cvs 1366: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS,
1367: HT_FILTER_MIDDLE);
1368: HTNet_addAfter(HTAuthFilter, "http://*", NULL, HT_REAUTH,
1369: HT_FILTER_MIDDLE);
1370: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT,
1371: HT_FILTER_MIDDLE);
1372: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND,
1373: HT_FILTER_MIDDLE);
1374: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER,
1375: HT_FILTER_MIDDLE);
1376: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT,
1377: HT_FILTER_MIDDLE);
1.168 cvs 1378: HTNet_addAfter(HTAuthInfoFilter, "http://*", NULL, HT_ALL,
1379: HT_FILTER_MIDDLE);
1.116 cvs 1380: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY,
1381: HT_FILTER_MIDDLE);
1382: #ifdef AMAYA_WWW_CACHE
1383: HTNet_addAfter (HTCacheUpdateFilter, "http://*", NULL, HT_NOT_MODIFIED,
1384: HT_FILTER_MIDDLE);
1385: #endif /* AMAYA_WWW_CACHE */
1.151 cvs 1386: #ifdef AMAYA_LOST_UPDATE
1387: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED,
1388: HT_FILTER_MIDDLE);
1389: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1390: #ifndef _WINDOWS
1.116 cvs 1391: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL,
1392: HT_FILTER_LAST);
1.111 cvs 1393: #endif /* !_WINDOWS */
1.116 cvs 1394: /**** for later ?? ****/
1395: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1396: /* handles all errors */
1.116 cvs 1397: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1398: }
1399:
1.15 cvs 1400: /*----------------------------------------------------------------------
1.17 cvs 1401: AHTAlertInit
1402: Register alert messages and their callbacks.
1.15 cvs 1403: ----------------------------------------------------------------------*/
1404: #ifdef __STDC__
1405: static void AHTAlertInit (void)
1406: #else
1407: static void AHTAlertInit ()
1408: #endif
1409: {
1410: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1411: #ifdef __WINDOWS
1.70 cvs 1412: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1413: #endif /* _WINDOWS */
1.15 cvs 1414: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1415: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1416: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1417: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1418: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1419: }
1420:
1.128 cvs 1421: /*----------------------------------------------------------------------
1422: libwww_CleanCache
1423: frontend to the recursive cache cleaning function
1424: ----------------------------------------------------------------------*/
1425: #ifdef __STDC__
1426: void libwww_CleanCache (void)
1427: #else
1428: void libwww_CleanCache ()
1429: Document doc;
1430: View view;
1431: #endif /* __STDC__ */
1432: {
1.130 cvs 1433: #ifdef AMAYA_WWW_CACHE
1.128 cvs 1434: char *strptr;
1435: char *cache_dir;
1436: int cache_size;
1.130 cvs 1437:
1.128 cvs 1438: if (!HTCacheMode_enabled ())
1439: /* don't do anything if we're not using a cache */
1440: return;
1441: /* temporarily close down the cache, purge it, then restart */
1.130 cvs 1442: cache_dir = TtaStrdup ( (char *) HTCacheMode_getRoot ());
1.128 cvs 1443: cache_size = HTCacheMode_maxSize ();
1.130 cvs 1444: /* remove the concurrent cache lock */
1445: #ifdef DEBUG_LIBWWW
1446: fprintf (stderr, "Clearing the cache lock\n");
1447: #endif /* DEBUG_LIBWWW */
1448: clear_cachelock ();
1.128 cvs 1449: HTCacheTerminate ();
1.130 cvs 1450: HTCacheMode_setEnabled (NO);
1451: strptr = TtaGetMemory (strlen (cache_dir) + 20);
1.128 cvs 1452: strcpy (strptr, cache_dir);
1453: strcat (strptr, DIR_STR);
1454:
1455: RecCleanCache (strptr);
1456:
1.148 cvs 1457: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.128 cvs 1458: HTCacheInit (cache_dir, cache_size);
1.130 cvs 1459: /* set a new concurrent cache lock */
1.132 cvs 1460: strcat (strptr, ".lock");
1.130 cvs 1461: if (set_cachelock (strptr) == -1)
1462: /* couldn't open the .lock file, so, we close the cache to
1463: be in the safe side */
1464: {
1465: #ifdef DEBUG_LIBWWW
1466: fprintf (stderr, "couldnt set the cache lock\n");
1467: #endif /* DEBUG_LIBWWW */
1468: HTCacheTerminate ();
1469: HTCacheMode_setEnabled (NO);
1470: }
1471: #ifdef DEBUG_LIBWWW
1472: fprintf (stderr, "set a cache lock\n");
1473: #endif /* DEBUG_LIBWWW */
1474: TtaFreeMemory (strptr);
1.128 cvs 1475: TtaFreeMemory (cache_dir);
1476: #endif /* AMAYA_WWW_CACHE */
1477: }
1478:
1.118 cvs 1479: #ifdef AMAYA_WWW_CACHE
1480: /*----------------------------------------------------------------------
1.128 cvs 1481: RecCleanCache
1.118 cvs 1482: Clears an existing cache directory
1483: ----------------------------------------------------------------------*/
1484: #ifdef __STDC__
1.128 cvs 1485: static void RecCleanCache (char *dirname)
1.118 cvs 1486: #else
1.128 cvs 1487: static void RecCleanCache (char *dirname)
1488: Document doc;
1489: View view;
1.118 cvs 1490: #endif /* __STDC__ */
1.128 cvs 1491:
1492: #ifdef _WINDOWS
1493: {
1494: HANDLE hFindFile;
1495: boolean status;
1496: WIN32_FIND_DATA ffd;
1497:
1498: char t_dir [MAX_LENGTH];
1.130 cvs 1499: char *ptr;
1.128 cvs 1500:
1.130 cvs 1501: /* create a t_dir name to start searching for files */
1.128 cvs 1502: if ((strlen (dirname) + 10) > MAX_LENGTH)
1503: /* ERROR: directory name is too big */
1504: return;
1505:
1506: strcpy (t_dir, dirname);
1.130 cvs 1507: /* save the end of the dirname. We'll use it to make
1508: a complete pathname when erasing files */
1509: ptr = &t_dir[strlen (t_dir)];
1510: strcat (t_dir, "*");
1.128 cvs 1511:
1.130 cvs 1512: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1513:
1514: if (hFindFile == INVALID_HANDLE_VALUE)
1515: /* nothing to erase? */
1516: return;
1517:
1518: status = TRUE;
1.130 cvs 1519: while (status)
1520: {
1521: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1522: {
1523: /* it's a directory, erase it recursively */
1524: if (strcmp (ffd.cFileName, "..") && strcmp (ffd.cFileName, "."))
1525: {
1526: strcpy (ptr, ffd.cFileName);
1527: strcat (ptr, DIR_STR);
1528: RecCleanCache (t_dir);
1.137 cvs 1529: # ifdef _WINDOWS
1530: _rmdir (t_dir);
1531: # else /* !_WINDOWS */
1.133 cvs 1532: rmdir (t_dir);
1.137 cvs 1533: # endif /* _WINDOWS */
1.133 cvs 1534: }
1535: }
1536: else
1.130 cvs 1537: {
1.133 cvs 1538: /* it's a file, erase it */
1.130 cvs 1539: strcpy (ptr, ffd.cFileName);
1.133 cvs 1540: TtaFileUnlink (t_dir);
1.130 cvs 1541: }
1542: status = FindNextFile (hFindFile, &ffd);
1543: }
1.128 cvs 1544: FindClose (hFindFile);
1545: }
1546:
1547: #else /* _WINDOWS */
1.118 cvs 1548: {
1549: DIR *dp;
1550: struct stat st;
1551: #ifdef HAVE_DIRENT_H
1552: struct dirent *d;
1553: #else
1554: struct direct *d;
1555: #endif /* HAVE_DIRENT_H */
1.128 cvs 1556: char filename[BUFSIZ+1];
1.118 cvs 1557:
1558: if ((dp = opendir (dirname)) == NULL)
1559: {
1560: /* @@@ we couldn't open the directory ... we need some msg */
1561: perror (dirname);
1562: exit;
1563: }
1564:
1565: while ((d = readdir (dp)) != NULL)
1566: {
1567: /* skip the UNIX . and .. links */
1568: if (!strcmp (d->d_name, "..")
1569: || !strcmp (d->d_name, "."))
1570: continue;
1571:
1.128 cvs 1572: sprintf (filename, "%s"DIR_STR"%s", dirname, d->d_name);
1.118 cvs 1573: if (lstat (filename, &st) < 0 )
1574: {
1575: /* @@2 need some error message */
1576: perror (filename);
1577: continue;
1578: }
1579:
1580: switch (st.st_mode & S_IFMT)
1581: {
1582: case S_IFDIR:
1583: /* if we find a directory, we erase it, recursively */
1.128 cvs 1584: strcat (filename, DIR_STR);
1585: RecCleanCache (filename);
1586: rmdir (filename);
1.118 cvs 1587: break;
1588: case S_IFLNK:
1589: /* skip any links we find */
1590: continue;
1591: break;
1592: default:
1593: /* erase the filename */
1594: TtaFileUnlink (filename);
1595: break;
1596: }
1597: }
1598: closedir (dp);
1599: }
1.128 cvs 1600: #endif /* _WINDOWS */
1.118 cvs 1601: #endif /* AMAYA_WWW_CACHE */
1602:
1.116 cvs 1603: /*----------------------------------------------------------------------
1604: CacheInit
1605: Reads the cache settings from the thot.ini file.
1606: ----------------------------------------------------------------------*/
1.118 cvs 1607: #ifdef __STDC__
1.116 cvs 1608: static void CacheInit (void)
1.118 cvs 1609: #else
1610: static void Cacheinit ()
1611: #endif
1612:
1.116 cvs 1613: {
1614: #ifndef AMAYA_WWW_CACHE
1615: HTCacheMode_setEnabled (NO);
1616:
1617: #else /* AMAYA_WWW_CACHE */
1618: char *strptr;
1619: char *cache_dir = NULL;
1.130 cvs 1620: char *cache_lockfile;
1621: int cache_size;
1622: boolean cache_enabled;
1623: boolean cache_locked;
1624:
1.116 cvs 1625: /* activate cache? */
1.165 cvs 1626: strptr = (char *) TtaGetEnvString ("ENABLE_CACHE");
1.152 cvs 1627: if (strptr && *strptr && strcasecmp (strptr, "yes" ))
1.130 cvs 1628: cache_enabled = NO;
1.116 cvs 1629: else
1.130 cvs 1630: cache_enabled = YES;
1.116 cvs 1631:
1.151 cvs 1632: /* cache protected documents? */
1.152 cvs 1633: strptr = (char *) TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1634: if (strptr && *strptr && !strcasecmp (strptr, "yes" ))
1.151 cvs 1635: HTCacheMode_setProtected (YES);
1636: else
1637: HTCacheMode_setProtected (NO);
1638:
1.116 cvs 1639: /* get the cache dir (or use a default one) */
1640: strptr = (char *) TtaGetEnvString ("CACHE_DIR");
1641: if (strptr && *strptr)
1642: {
1643: cache_dir = TtaGetMemory (strlen (strptr) + strlen (CACHE_DIR_NAME) + 1);
1644: strcpy (cache_dir, strptr);
1645: }
1646: else
1647: {
1.122 cvs 1648: cache_dir = TtaGetMemory (strlen (TempFileDirectory)
1.116 cvs 1649: + strlen (CACHE_DIR_NAME) + 1);
1.122 cvs 1650: strcpy (cache_dir, TempFileDirectory);
1.116 cvs 1651: }
1652: strcat (cache_dir, CACHE_DIR_NAME);
1653:
1654: /* get the cache size (or use a default one) */
1655: strptr = (char *) TtaGetEnvString ("CACHE_SIZE");
1656: if (strptr && *strptr)
1657: cache_size = atoi (strptr);
1658: else
1659: cache_size = DEFAULT_CACHE_SIZE;
1660:
1.130 cvs 1661: if (cache_enabled)
1.116 cvs 1662: {
1663: /* how to remove the lock? force remove it? */
1.130 cvs 1664: cache_lockfile = TtaGetMemory (strlen (cache_dir) + 20);
1665: strcpy (cache_lockfile, cache_dir);
1666: strcat (cache_lockfile, DIR_STR".lock");
1667: cache_locked = FALSE;
1668: if (TtaFileExist (cache_lockfile)
1669: && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 1670: {
1.130 cvs 1671: #ifdef DEBUG_LIBWWW
1672: fprintf (stderr, "found a stale cache, removing it\n");
1673: #endif /* DEBUG_LIBWWW */
1674: /* remove the lock and clean the cache (the clean cache
1675: will remove all, making the following call unnecessary */
1676: /* little trick to win some memory */
1677: strptr = strrchr (cache_lockfile, '.');
1678: *strptr = EOS;
1679: RecCleanCache (cache_lockfile);
1680: *strptr = '.';
1.116 cvs 1681: }
1682:
1.130 cvs 1683: if (!cache_locked)
1684: {
1685: /* initialize the cache if there's no other amaya
1686: instance running */
1687: HTCacheInit (cache_dir, cache_size);
1.148 cvs 1688: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.130 cvs 1689: if (set_cachelock (cache_lockfile) == -1)
1690: /* couldn't open the .lock file, so, we close the cache to
1691: be in the safe side */
1692: {
1693: HTCacheTerminate ();
1694: HTCacheMode_setEnabled (NO);
1695: #ifdef DEBUG_LIBWWW
1696: fprintf (stderr, "couldnt set the cache lock\n");
1697: #endif /* DEBUG_LIBWWW */
1698: }
1699: #ifdef DEBUG_LIBWWW
1700: else
1701: fprintf (stderr, "created the cache lock\n");
1702: #endif /* DEBUG_LIBWWW */
1703: }
1704: else
1705: {
1706: HTCacheMode_setEnabled (NO);
1707: #ifdef DEBUG_LIBWWW
1708: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1709: #endif /* DEBUG_LIBWWW */
1710: }
1711: TtaFreeMemory (cache_lockfile);
1.116 cvs 1712: }
1713: else
1714: HTCacheMode_setEnabled (NO);
1715:
1716: if (cache_dir)
1717: TtaFreeMemory (cache_dir);
1718: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1719: }
1720:
1721: /*----------------------------------------------------------------------
1.97 cvs 1722: ProxyInit
1723: Reads any proxies settings which may be declared as environmental
1724: variables or in the thot.ini file. The former overrides the latter.
1725: ----------------------------------------------------------------------*/
1.118 cvs 1726: #ifdef __STDC__
1.97 cvs 1727: static void ProxyInit (void)
1.118 cvs 1728: #else
1729: static void ProxyInit ()
1730: #endif /* __STDC__ */
1.97 cvs 1731: {
1732: char *strptr;
1733: char *str = NULL;
1734: char *name;
1735:
1736: /* get the proxy settings from the thot.ini file */
1737: strptr = (char *) TtaGetEnvString ("HTTP_PROXY");
1738: if (strptr && *strptr)
1739: HTProxy_add ("http", strptr);
1740: /* get the no_proxy settings from the thot.ini file */
1741: strptr = (char *) TtaGetEnvString ("NO_PROXY");
1742: if (strptr && *strptr)
1743: {
1744: str = TtaStrdup (strptr); /* Get copy we can mutilate */
1745: strptr = str;
1746: while ((name = HTNextField (&strptr)) != NULL) {
1747: char *portstr = strchr (name, ':');
1748: unsigned port=0;
1749: if (portstr) {
1750: *portstr++ = '\0';
1.116 cvs 1751: if (*portstr) port = (unsigned) atoi (portstr);
1.97 cvs 1752: }
1753: /* Register it for all access methods */
1754: HTNoProxy_add (name, NULL, port);
1755: }
1756: TtaFreeMemory (str);
1757: }
1758:
1759: /* use libw3's routine to get all proxy settings from the environment */
1760: HTProxy_getEnvVar ();
1761: }
1762:
1763:
1764: /*----------------------------------------------------------------------
1.17 cvs 1765: AHTProfile_newAmaya
1766: creates the Amaya client profile for libwww.
1.15 cvs 1767: ----------------------------------------------------------------------*/
1768: #ifdef __STDC__
1769: static void AHTProfile_newAmaya (char *AppName, char *AppVersion)
1770: #else /* __STDC__ */
1771: static void AHTProfile_newAmaya (AppName, AppVersion)
1772: char *AppName;
1773: char *AppVersion;
1774: #endif /* __STDC__ */
1.4 cvs 1775: {
1.158 cvs 1776: char * strptr;
1777:
1.4 cvs 1778: /* If the Library is not already initialized then do it */
1779: if (!HTLib_isInitialized ())
1780: HTLibInit (AppName, AppVersion);
1781:
1782: if (!converters)
1783: converters = HTList_new ();
1.27 cvs 1784: if (!acceptTypes)
1785: acceptTypes = HTList_new ();
1.151 cvs 1786: if (!transfer_encodings)
1787: transfer_encodings = HTList_new ();
1788: if (!content_encodings)
1789: content_encodings = HTList_new ();
1.4 cvs 1790:
1.169 cvs 1791: /* inhibits libwww's automatic file_suffix_binding */
1792: HTFile_doFileSuffixBinding (FALSE);
1793:
1.4 cvs 1794: /* Register the default set of transport protocols */
1795: HTTransportInit ();
1796:
1797: /* Register the default set of application protocol modules */
1798: AHTProtocolInit ();
1799:
1.116 cvs 1800: /* Register the default set of messages and dialog functions */
1801: AHTAlertInit ();
1802: HTAlert_setInteractive (YES);
1803:
1804: #ifdef AMAYA_WWW_CACHE
1805: /* Enable the persistent cache */
1806: CacheInit ();
1807: #else
1808: HTCacheMode_setEnabled (NO);
1809: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 1810:
1811: /* Register the default set of BEFORE and AFTER filters */
1812: AHTNetInit ();
1813:
1814: /* Set up the default set of Authentication schemes */
1.167 cvs 1815: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL,
1816: HTBasic_delete);
1.158 cvs 1817: /* activate MDA by defaul */
1818: strptr = (char *) TtaGetEnvString ("ENABLE_MDA");
1819: if (!strptr || (strptr && *strptr && strcasecmp (strptr, "no" )))
1820: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse,
1.167 cvs 1821: HTDigest_updateInfo, HTDigest_delete);
1.4 cvs 1822:
1.97 cvs 1823: /* Get any proxy settings */
1824: ProxyInit ();
1.4 cvs 1825:
1826: /* Register the default set of converters */
1827: AHTConverterInit (converters);
1.151 cvs 1828: HTFormat_setConversion (converters);
1.27 cvs 1829: AHTAcceptTypesInit (acceptTypes);
1.4 cvs 1830:
1831: /* Register the default set of transfer encoders and decoders */
1.151 cvs 1832: HTTransferEncoderInit (transfer_encodings);
1833: HTFormat_setTransferCoding(transfer_encodings);
1834:
1835: /* Register the default set of content encoders and decoders */
1836: HTContentEncoderInit(content_encodings);
1837: if (HTList_count(content_encodings) > 0)
1838: HTFormat_setContentCoding(content_encodings);
1839: else
1840: {
1841: HTList_delete(content_encodings);
1842: content_encodings = NULL;
1843: }
1.4 cvs 1844:
1845: /* Register the default set of MIME header parsers */
1.74 cvs 1846: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 1847:
1848: /* Register the default set of Icons for directory listings */
1.27 cvs 1849: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 1850: }
1851:
1.5 cvs 1852: /*----------------------------------------------------------------------
1.17 cvs 1853: AHTProfile_delete
1854: deletes the Amaya client profile.
1.5 cvs 1855: ----------------------------------------------------------------------*/
1.4 cvs 1856: #ifdef __STDC__
1857: static void AHTProfile_delete (void)
1858: #else
1859: static void AHTProfile_delete ()
1.7 cvs 1860: #endif /* __STDC__ */
1.4 cvs 1861: {
1.22 cvs 1862:
1863: /* free the Amaya global context */
1.151 cvs 1864:
1865: /* Clean up all the registred converters */
1866: HTFormat_deleteAll ();
1867: if (acceptTypes)
1.74 cvs 1868: HTConversion_deleteAll (acceptTypes);
1.151 cvs 1869:
1.74 cvs 1870: HTList_delete (Amaya->docid_status);
1871: HTList_delete (Amaya->reqlist);
1872: TtaFreeMemory (Amaya);
1.61 cvs 1873:
1.151 cvs 1874: if (HTLib_isInitialized ())
1.74 cvs 1875:
1.120 cvs 1876: #ifdef _WINDOWS
1.151 cvs 1877: HTEventTerminate ();
1.120 cvs 1878: #endif _WINDOWS;
1.74 cvs 1879:
1.151 cvs 1880: /* Clean up the persistent cache (if any) */
1.116 cvs 1881: #ifdef AMAYA_WWW_CACHE
1.151 cvs 1882: clear_cachelock ();
1883: HTCacheTerminate ();
1.116 cvs 1884: #endif /* AMAYA_WWW_CACHE */
1.74 cvs 1885:
1.151 cvs 1886: /* Terminate libwww */
1887: HTLibTerminate ();
1.4 cvs 1888: }
1889:
1.5 cvs 1890: /*----------------------------------------------------------------------
1.116 cvs 1891: AmayacontextInit
1892: initializes an internal Amaya context for our libwww interface
1893: ----------------------------------------------------------------------*/
1894: #ifdef __STDC__
1895: static void AmayaContextInit ()
1896: #else
1897: static void AmayaContextInit ()
1898: #endif
1899:
1900: {
1.140 cvs 1901: AmayaAlive_flag = TRUE;
1.116 cvs 1902: /* Initialization of the global context */
1903: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
1904: Amaya->reqlist = HTList_new ();
1905: Amaya->docid_status = HTList_new ();
1906: Amaya->open_requests = 0;
1907: }
1908:
1909: /*----------------------------------------------------------------------
1.17 cvs 1910: QueryInit
1911: initializes the libwww interface
1.5 cvs 1912: ----------------------------------------------------------------------*/
1.4 cvs 1913: #ifdef __STDC__
1914: void QueryInit ()
1915: #else
1916: void QueryInit ()
1917: #endif
1918: {
1.151 cvs 1919: char *strptr;
1920: int tmp_i;
1921: long tmp_l;
1.4 cvs 1922:
1.116 cvs 1923: AmayaContextInit ();
1.4 cvs 1924: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 1925: CanDoStop_set (TRUE);
1.4 cvs 1926:
1.116 cvs 1927: #ifdef _WINDOWS
1.125 cvs 1928: HTEventInit ();
1.116 cvs 1929: #endif /* _WINDOWS */
1.72 cvs 1930:
1.123 cvs 1931: #ifndef _WINDOWS
1.116 cvs 1932: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
1933: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.120 cvs 1934: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
1935: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.116 cvs 1936: #endif /* !_WINDOWS */
1.148 cvs 1937:
1.152 cvs 1938: WWW_TraceFlag = CACHE_TRACE;
1.74 cvs 1939: #ifdef DEBUG_LIBWWW
1.116 cvs 1940: /* forwards error messages to our own function */
1941: WWW_TraceFlag = THD_TRACE;
1.138 cvs 1942: HTTrace_setCallback(LineTrace);
1.4 cvs 1943: /* Trace activation (for debugging) */
1.148 cvs 1944: /***
1.138 cvs 1945: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
1946: WWW_TraceFlag |= 0xFFFFFFFFl;
1947: ***/
1.152 cvs 1948: #endif
1949:
1.148 cvs 1950: /* Setting up different network parameters */
1.151 cvs 1951:
1.148 cvs 1952: /* Maximum number of simultaneous open sockets */
1.151 cvs 1953: strptr = (char *) TtaGetEnvString ("MAX_SOCKET");
1954: if (strptr && *strptr)
1955: tmp_i = atoi (strptr);
1956: else
1957: tmp_i = DEFAULT_MAX_SOCKET;
1958: HTNet_setMaxSocket (tmp_i);
1959:
1.148 cvs 1960: /* different network services timeouts */
1.151 cvs 1961: /* dns timeout */
1962: strptr = (char *) TtaGetEnvString ("DNS_TIMEOUT");
1963: if (strptr && *strptr)
1964: tmp_i = atoi (strptr);
1965: else
1966: tmp_i = DEFAULT_DNS_TIMEOUT;
1967: HTDNS_setTimeout (tmp_i);
1968:
1969: /* persistent connections timeout */
1.152 cvs 1970: strptr = (char *) TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 1971: if (strptr && *strptr)
1972: tmp_l = atol (strptr);
1973: else
1974: tmp_l = DEFAULT_PERSIST_TIMEOUT;
1975: HTHost_setPersistTimeout (tmp_l);
1976:
1.148 cvs 1977: /* default timeout in ms */
1.151 cvs 1978: strptr = (char *) TtaGetEnvString ("NET_EVENT_TIMEOUT");
1979: if (strptr && *strptr)
1980: tmp_i = atoi (strptr);
1981: else
1982: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
1983: HTHost_setEventTimeout (tmp_i);
1984:
1.173 cvs 1985: HTRequest_setMaxRetry (8);
1.4 cvs 1986: #ifdef CATCH_SIG
1.148 cvs 1987: signal (SIGPIPE, SIG_IGN);
1.4 cvs 1988: #endif
1.15 cvs 1989: }
1990:
1991: /*----------------------------------------------------------------------
1.17 cvs 1992: LoopForStop
1.136 cvs 1993: a copy of the Thop event loop so we can handle the stop button in Unix
1994: and preemptive requests under Windows
1.15 cvs 1995: ----------------------------------------------------------------------*/
1996: #ifdef __STDC__
1997: static int LoopForStop (AHTReqContext * me)
1998: #else
1999: static int LoopForStop (AHTReqContext * me)
2000: #endif
2001: {
1.136 cvs 2002: #ifdef _WINDOWS
2003: MSG msg;
2004: unsigned long libwww_msg;
2005: HWND old_active_window, libwww_window;
2006: int status_req = HT_OK;
2007:
2008: old_active_window = GetActiveWindow ();
2009: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2010:
1.149 cvs 2011: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
2012: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2013: GetMessage (&msg, NULL, 0, 0))
2014: {
2015: if (msg.message != WM_QUIT)
2016: {
2017: TranslateMessage (&msg);
2018: DispatchMessage (&msg);
2019: }
2020: else
2021: break;
2022: }
1.136 cvs 2023: if (!AmayaIsAlive ())
2024: /* Amaya was killed by one of the callback handlers */
2025: exit (0);
2026: #else /* _WINDOWS */
1.25 cvs 2027: extern ThotAppContext app_cont;
1.51 cvs 2028: XEvent ev;
2029: XtInputMask status;
1.17 cvs 2030: int status_req = HT_OK;
1.15 cvs 2031:
2032: /* to test the async calls */
1.17 cvs 2033: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2034: while (me->reqStatus != HT_ABORT &&
2035: me->reqStatus != HT_END &&
1.69 cvs 2036: me->reqStatus != HT_ERR) {
1.116 cvs 2037: if (!AmayaIsAlive ())
1.69 cvs 2038: /* Amaya was killed by one of the callback handlers */
2039: exit (0);
2040:
2041: status = XtAppPending (app_cont);
1.144 cvs 2042: if (status & XtIMXEvent)
2043: {
2044: XtAppNextEvent (app_cont, &ev);
2045: TtaHandleOneEvent (&ev);
2046: }
2047: else if (status != 0)
2048: XtAppProcessEvent (app_cont, XtIMAll);
1.69 cvs 2049: }
1.136 cvs 2050: #endif /* _WINDOWS */
1.69 cvs 2051: switch (me->reqStatus) {
2052: case HT_ERR:
2053: case HT_ABORT:
1.130 cvs 2054: status_req = NO;
1.15 cvs 2055: break;
2056:
1.69 cvs 2057: case HT_END:
1.130 cvs 2058: status_req = YES;
1.15 cvs 2059: break;
2060:
1.69 cvs 2061: default:
1.15 cvs 2062: break;
1.69 cvs 2063: }
1.15 cvs 2064: return (status_req);
1.4 cvs 2065: }
2066:
1.5 cvs 2067: /*----------------------------------------------------------------------
1.15 cvs 2068: QueryClose
1.21 cvs 2069: closes all existing threads, frees all non-automatically deallocated
2070: memory and then ends libwww.
1.5 cvs 2071: ----------------------------------------------------------------------*/
1.116 cvs 2072: void QueryClose ()
1.4 cvs 2073: {
1.24 cvs 2074:
1.140 cvs 2075: AmayaAlive_flag = FALSE;
1.24 cvs 2076:
1.116 cvs 2077: /* remove all the handlers and callbacks that may output a message to
2078: a non-existent Amaya window */
1.130 cvs 2079: #ifndef _WINDOWS
1.116 cvs 2080: HTNet_deleteAfter (AHTLoadTerminate_handler);
1.130 cvs 2081: #endif _WINDOWS
1.116 cvs 2082: HTNet_deleteAfter (redirection_handler);
2083: HTAlertCall_deleteAll (HTAlert_global () );
2084: HTAlert_setGlobal ((HTList *) NULL);
2085: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2086: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2087: #ifndef _WINDOWS
2088: /** need to erase all existing timers too **/
2089: HTTimer_registerSetTimerCallback (NULL);
2090: HTTimer_registerDeleteTimerCallback (NULL);
2091: #endif /* !_WINDOWS */
2092: HTHost_setActivateRequestCallback (NULL);
2093: Thread_deleteAll ();
1.21 cvs 2094:
1.116 cvs 2095: HTProxy_deleteAll ();
2096: HTNoProxy_deleteAll ();
2097: HTGateway_deleteAll ();
2098: AHTProfile_delete ();
2099: }
2100:
2101: /*----------------------------------------------------------------------
2102: NextNameValue
2103: ---------------------------------------------------------------------*/
2104: #ifdef __STDC__
2105: static char * NextNameValue (char ** pstr, char **name, char **value)
2106: #else
2107: static char * NextNameValue (pstr, name, value);
2108: char ** pstr;
2109: char **name;
2110: char **value;
2111: #endif /* __STDC__ */
2112: {
2113: char * p = *pstr;
2114: char * start = NULL;
2115: if (!pstr || !*pstr) return NULL;
2116:
2117: if (!*p) {
2118: *pstr = p;
2119: *name = NULL;
2120: *value = NULL;
2121: return NULL; /* No field */
2122: }
2123:
2124: /* Now search for the next '&' and ';' delimitators */
2125: start = p;
2126: while (*p && *p != '&' && *p != ';') p++;
2127: if (*p)
2128: *p++ = '\0';
2129: *pstr = p;
2130:
2131: /* Search for the name and value */
2132: *name = start;
2133: p = start;
2134:
2135: while(*p && *p != '=')
2136: p++;
2137: if (*p)
2138: *p++ = '\0';
2139: *value = p;
2140:
2141: return start;
2142: }
2143:
2144: /*----------------------------------------------------------------------
2145: PrepareFormdata
2146: ---------------------------------------------------------------------*/
2147: #ifdef __STDC__
2148: static HTAssocList * PrepareFormdata (char *string)
2149: #else
2150: static HTAssocList * PrepareFormdata (string)
2151: char *string;
2152: #endif /* __STDC__ */
2153: {
2154: char * tmp_string, * tmp_string_ptr;
2155: char * name;
2156: char * value;
2157: HTAssocList * formdata;
2158:
2159: if (!string)
2160: return NULL;
2161:
2162: /* store the ptr in another variable, as the original address will
2163: change
2164: */
2165:
2166: tmp_string_ptr = tmp_string = TtaStrdup (string);
2167: formdata = HTAssocList_new();
2168:
2169: while (*tmp_string)
2170: {
2171: NextNameValue (&tmp_string, &name, &value);
2172: HTAssocList_addObject(formdata,
2173: name, value);
2174: }
2175:
2176: TtaFreeMemory (tmp_string_ptr);
2177: return formdata;
1.4 cvs 2178: }
2179:
1.99 cvs 2180:
2181: /*----------------------------------------------------------------------
2182: InvokeGetObjectWWW_callback
2183: A simple function to invoke a callback function whenever there's an error
2184: in GetObjectWWW
2185: ---------------------------------------------------------------------*/
2186:
1.116 cvs 2187: #ifdef __STDC__
2188: void InvokeGetObjectWWW_callback (int docid, char *urlName, char *outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 2189: #else
1.111 cvs 2190: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 2191: int docid;
2192: char *urlName;
2193: char *outputfile;
2194: TTcbf *terminate_cbf;
2195: void *context_tcbf;
1.116 cvs 2196: #endif /* __STDC__ */
1.99 cvs 2197: {
2198: if (!terminate_cbf)
2199: return;
2200:
1.116 cvs 2201: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2202: NULL, context_tcbf);
2203: }
2204:
2205:
2206:
1.5 cvs 2207: /*----------------------------------------------------------------------
1.15 cvs 2208: GetObjectWWW
1.17 cvs 2209: this function requests a resource designated by a URLname into a
2210: temporary filename. The download can come from a simple GET operation,
2211: or can come from POSTING/GETTING a form. In the latter
2212: case, the function receives a query string to send to the server.
2213:
1.5 cvs 2214: 4 file retrieval modes are proposed:
2215: AMAYA_SYNC : blocking mode
2216: AMAYA_ISYNC : incremental, blocking mode
2217: AMAYA_ASYNC : non-blocking mode
2218: AMAYA_IASYNC : incremental, non-blocking mode
2219:
2220: In the incremental mode, each time a package arrives, it will be
2221: stored in the temporary file. In addition, if an
2222: incremental_callback function is defined, this function will be
2223: called and handled a copy of the newly received data package.
2224: Finally, if a terminate_callback function is defined, it will be
2225: invoked when the request terminates. The caller of this function
1.4 cvs 2226: can define two different contexts to be passed to the callback
2227: functions.
2228:
2229: When the function is called with the SYNC mode, the function will
2230: return only when the requested file has been loaded.
2231: The ASYNC mode will immediately return after setting up the
2232: call.
2233:
2234: Notes:
2235: At the end of a succesful request, the urlName string contains the
2236: name of the actually retrieved URL. As a URL can change over the time,
2237: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2238: caller verify the value of the urlName variable at the end of
1.4 cvs 2239: a request.
2240:
2241: Inputs:
2242: - docid Document identifier for the set of objects being
2243: retrieved.
2244: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2245: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2246: - mode The retrieval mode.
2247: - incremental_cbf
2248: - context_icbf
2249: Callback and context for the incremental modes
2250: - terminate_cbf
2251: - context_icbf
2252: Callback and context for a terminate handler
1.17 cvs 2253: -error_html if TRUE, then display any server error message as an
2254: HTML document.
1.88 cvs 2255: - content_type a string
2256:
1.4 cvs 2257: Outputs:
2258: - urlName The URL that was retrieved
2259: - outputfile The name of the temporary file which holds the
2260: retrieved data. (Only in case of success)
1.88 cvs 2261: - if content_type wasn't NULL, it will contain a copy of the parameter
2262: sent in the HTTP answer
1.4 cvs 2263: Returns:
2264: HT_ERROR
2265: HT_OK
1.5 cvs 2266:
2267: ----------------------------------------------------------------------*/
1.4 cvs 2268: #ifdef __STDC__
1.127 cvs 2269: int GetObjectWWW (int docid, char* urlName, char* formdata,
1.116 cvs 2270: char* outputfile, int mode, TIcbf* incremental_cbf,
2271: void* context_icbf, TTcbf* terminate_cbf,
1.88 cvs 2272: void* context_tcbf, boolean error_html, char *content_type)
1.4 cvs 2273: #else
1.127 cvs 2274: int GetObjectWWW (docid, urlName, formdata, outputfile, mode,
1.116 cvs 2275: incremental_cbf, context_icbf,
1.88 cvs 2276: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 2277: int docid;
2278: char *urlName;
1.127 cvs 2279: char *formdata;
1.73 cvs 2280: char *outputfile;
2281: int mode;
2282: TIcbf *incremental_cbf;
2283: void *context_icbf;
2284: TTcbf *terminate_cbf;
2285: void *context_tcbf;
2286: boolean error_html;
1.88 cvs 2287: char *content_type;
1.4 cvs 2288: #endif
2289: {
2290: AHTReqContext *me;
2291: char *ref;
1.107 cvs 2292: int status, l;
1.114 cvs 2293: int tempsubdir;
1.7 cvs 2294:
1.116 cvs 2295: if (urlName == NULL || docid == 0 || outputfile == NULL)
2296: {
2297: /* no file to be loaded */
2298: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2299:
1.116 cvs 2300: if (error_html)
1.69 cvs 2301: /* so we can show the error message */
2302: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2303: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2304: context_tcbf, HT_ERROR);
2305: return HT_ERROR;
2306: }
1.7 cvs 2307:
1.159 cvs 2308: /* if it's a 'docImage', we have already downloaded it */
2309: if (!strncmp ("internal:", urlName, 9))
2310: {
2311: strcpy (outputfile, urlName);
2312: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2313: terminate_cbf, context_tcbf, HT_OK);
2314: return HT_OK;
2315: }
2316:
1.4 cvs 2317: /* do we support this protocol? */
1.116 cvs 2318: if (IsValidProtocol (urlName) == NO)
2319: {
2320: /* return error */
2321: outputfile[0] = EOS; /* file could not be opened */
2322: TtaSetStatus (docid, 1,
2323: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2324: urlName);
2325:
2326: if (error_html)
1.69 cvs 2327: /* so we can show the error message */
2328: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2329: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2330: context_tcbf, HT_ERROR);
2331: return HT_ERROR;
2332: }
1.4 cvs 2333:
1.114 cvs 2334: /* we store CSS in subdir named 0; all the other files go to a subidr
2335: named after their own docid */
2336:
2337: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
2338:
1.116 cvs 2339: /* create a tempfilename */
2340: sprintf (outputfile, "%s%c%d%c%04dAM",
2341: TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
2342: /* update the object_counter (used for the tempfilename) */
1.4 cvs 2343: object_counter++;
1.116 cvs 2344:
1.4 cvs 2345: /* normalize the URL */
1.45 cvs 2346: ref = AmayaParseUrl (urlName, "", AMAYA_PARSE_ALL);
1.4 cvs 2347: /* should we abort the request if we could not normalize the url? */
1.69 cvs 2348: if (ref == (char*) NULL || ref[0] == EOS) {
2349: /*error */
2350: outputfile[0] = EOS;
2351: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
2352:
2353: if (error_html)
1.116 cvs 2354: /* so we can show the error message */
2355: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2356: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2357: context_tcbf, HT_ERROR);
1.69 cvs 2358: return HT_ERROR;
2359: }
1.116 cvs 2360:
1.4 cvs 2361: /* verify if that file name existed */
1.9 cvs 2362: if (TtaFileExist (outputfile))
1.77 cvs 2363: TtaFileUnlink (outputfile);
1.116 cvs 2364:
1.4 cvs 2365: /* Initialize the request structure */
2366: me = AHTReqContext_new (docid);
1.116 cvs 2367: if (me == NULL)
2368: {
2369: outputfile[0] = EOS;
2370: /* need an error message here */
2371: TtaFreeMemory (ref);
2372: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2373: context_tcbf, HT_ERROR);
2374: return HT_ERROR;
2375: }
2376:
1.4 cvs 2377: /* Specific initializations for POST and GET */
1.116 cvs 2378: if (mode & AMAYA_FORM_POST)
2379: {
2380: me->method = METHOD_POST;
2381: HTRequest_setMethod (me->request, METHOD_POST);
1.171 cvs 2382: /* don't use the cache for post requests */
2383: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 2384: }
2385: else
2386: {
2387: me->method = METHOD_GET;
2388: if (!HasKnownFileSuffix (ref))
2389: HTRequest_setConversion(me->request, acceptTypes, TRUE);
2390: }
1.93 cvs 2391:
1.116 cvs 2392: /* Common initialization for all HTML methods */
1.4 cvs 2393: me->mode = mode;
2394: me->error_html = error_html;
2395: me->incremental_cbf = incremental_cbf;
2396: me->context_icbf = context_icbf;
2397: me->terminate_cbf = terminate_cbf;
2398: me->context_tcbf = context_tcbf;
1.64 cvs 2399:
1.69 cvs 2400: /* for the async. request modes, we need to have our
1.4 cvs 2401: own copy of outputfile and urlname
1.116 cvs 2402: */
1.4 cvs 2403:
1.116 cvs 2404: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
2405: {
2406: l = strlen (outputfile);
2407: if (l > MAX_LENGTH)
2408: me->outputfile = TtaGetMemory (l + 2);
2409: else
2410: me->outputfile = TtaGetMemory (MAX_LENGTH + 2);
2411: strcpy (me->outputfile, outputfile);
2412: l = strlen (urlName);
2413: if (l > MAX_LENGTH)
2414: me->urlName = TtaGetMemory (l + 2);
2415: else
2416: me->urlName = TtaGetMemory (MAX_LENGTH + 2);
2417: strcpy (me->urlName, urlName);
2418: #ifdef _WINDOWS
2419: /* force windows ASYNC requests to always be non preemptive */
2420: HTRequest_setPreemptive (me->request, NO);
2421: #endif /*_WINDOWS */
2422: } /* AMAYA_ASYNC mode */
2423: else
2424: #ifdef _WINDOWS
2425: {
2426: me->outputfile = outputfile;
2427: me->urlName = urlName;
2428: /* force windows SYNC requests to always be non preemptive */
2429: HTRequest_setPreemptive (me->request, YES);
2430: }
2431: #else /* !_WINDOWS */
2432: {
2433: me->outputfile = outputfile;
2434: me->urlName = urlName;
2435: }
2436: /***
1.136 cvs 2437: In order to take into account the stop button,
2438: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 2439: we will loop until the document has been received or a stop signal
2440: generated
1.77 cvs 2441: ****/
1.116 cvs 2442: HTRequest_setPreemptive (me->request, NO);
2443: #endif /* _WINDOWS */
1.61 cvs 2444:
1.151 cvs 2445: /*
2446: ** Make sure that the first request is flushed immediately and not
2447: ** buffered in the output buffer
2448: */
2449: if (mode & AMAYA_FLUSH_REQUEST)
2450: HTRequest_setFlush(me->request, YES);
2451: HTRequest_setFlush(me->request, YES);
2452:
1.61 cvs 2453: /* prepare the URLname that will be displayed in teh status bar */
2454: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 2455: TtaSetStatus (me->docid, 1,
2456: TtaGetMessage (AMAYA, AM_FETCHING),
2457: me->status_urlName);
1.4 cvs 2458:
2459: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (ref);
1.45 cvs 2460: TtaFreeMemory (ref);
1.4 cvs 2461:
1.114 cvs 2462: if (mode & AMAYA_NOCACHE)
1.116 cvs 2463: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2464:
2465: /* prepare the query string and format for POST */
2466: if (mode & AMAYA_FORM_POST)
1.114 cvs 2467: {
1.116 cvs 2468: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2469: HTAtom_for ("application/x-www-form-urlencoded"));
2470: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
2471: HTRequest_setEntityAnchor (me->request, me->anchor);
2472: }
1.114 cvs 2473:
1.127 cvs 2474: /* create the formdata element for libwww */
2475: if (formdata)
2476: me->formdata = PrepareFormdata (formdata);
2477:
1.116 cvs 2478: /* do the request */
2479: if (mode & AMAYA_FORM_POST)
1.119 cvs 2480: {
2481: /* this call doesn't give back a boolean */
2482: HTParentAnchor * posted = NULL;
2483:
2484: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
2485: me->request);
2486: status = posted ? YES : NO;
2487: }
1.127 cvs 2488: else if (formdata)
2489: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
2490: me->request);
1.116 cvs 2491: else
1.77 cvs 2492: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 2493:
1.123 cvs 2494: /* @@@ may need some special windows error msg here */
1.116 cvs 2495: /* control the errors */
1.4 cvs 2496:
1.130 cvs 2497: if (status == NO)
1.116 cvs 2498: /* the request invocation failed */
2499: {
2500: /* show an error message on the status bar */
2501: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
2502: TtaSetStatus (docid, 1,
2503: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
2504: urlName);
2505: if (me->reqStatus == HT_NEW)
2506: /* manually invoke the last processing that usually gets done
2507: in a succesful request */
2508: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2509: terminate_cbf, context_tcbf, HT_ERROR);
2510: /* terminate_handler wasn't called */
1.136 cvs 2511: AHTReqContext_delete (me);
1.116 cvs 2512: }
2513: else
1.136 cvs 2514: /* end treatment for SYNC requests */
1.120 cvs 2515: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2516: {
1.136 cvs 2517: /* wait here untilt the asynchronous request finishes */
1.130 cvs 2518: status = LoopForStop (me);
1.136 cvs 2519: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 2520: if (!HTRequest_kill (me->request))
2521: AHTReqContext_delete (me);
2522: }
1.130 cvs 2523:
1.136 cvs 2524: /* an interface problem!!! */
2525: return (status == YES ? 0 : -1);
1.4 cvs 2526: }
2527:
1.5 cvs 2528: /*----------------------------------------------------------------------
1.17 cvs 2529: PutObjectWWW
2530: frontend for uploading a resource to a URL. This function downloads
2531: a file to be uploaded into memory, it then calls UploadMemWWW to
2532: finish the job.
2533:
1.5 cvs 2534: 2 upload modes are proposed:
2535: AMAYA_SYNC : blocking mode
2536: AMAYA_ASYNC : non-blocking mode
2537:
1.4 cvs 2538: When the function is called with the SYNC mode, the function will
2539: return only when the file has been uploaded.
2540: The ASYNC mode will immediately return after setting up the
2541: call. Furthermore, at the end of an upload, the ASYNC mode will
2542: call back terminate_cbf, handling it the context defined in
2543: context_tcbf.
2544:
2545: Notes:
2546: At the end of a succesful request, the urlName string contains the
2547: name of the actually uploaded URL. As a URL can change over the time,
2548: (e.g., be redirected elsewhere), it is advised that the function
2549: caller verifies the value of the urlName variable at the end of
2550: a request.
2551:
2552: Inputs:
2553: - docid Document identifier for the set of objects being
2554: retrieved.
2555: - fileName A pointer to the local file to upload
2556: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
2557: - mode The retrieval mode.
2558: - terminate_cbf
2559: - context_icbf
2560: Callback and context for a terminate handler
2561:
2562: Outputs:
2563: - urlName The URL that was uploaded
2564:
2565: Returns:
2566: HT_ERROR
2567: HT_OK
1.5 cvs 2568: ----------------------------------------------------------------------*/
1.4 cvs 2569: #ifdef __STDC__
1.27 cvs 2570: int PutObjectWWW (int docid, char *fileName, char *urlName, int mode, PicType contentType,
1.4 cvs 2571: TTcbf * terminate_cbf, void *context_tcbf)
2572: #else
1.26 cvs 2573: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 2574: ,terminate_cbf, context_tcbf)
2575: int docid;
2576: char *urlName;
2577: char *fileName;
2578: int mode;
1.27 cvs 2579: PicType contentType;
1.4 cvs 2580: TTcbf *terminate_cbf;
2581: void *context_tcbf;
2582:
1.116 cvs 2583: #endif /* __STDC__ */
1.4 cvs 2584: {
1.116 cvs 2585: AHTReqContext *me;
1.4 cvs 2586: int status;
2587: int fd;
2588: struct stat file_stat;
1.116 cvs 2589: char *fileURL;
1.168 cvs 2590: char *etag = NULL;
1.169 cvs 2591: HTParentAnchor *dest_anc_parent;
2592: char *tmp;
1.168 cvs 2593: int UsePreconditions;
1.172 cvs 2594: boolean lost_update_check = TRUE;
2595:
2596: /* should we protect the PUT against lost updates? */
2597: tmp = (char *) TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
2598: if (tmp && *tmp && strcasecmp (tmp, "yes" ))
2599: lost_update_check = FALSE;
1.168 cvs 2600:
2601: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
1.4 cvs 2602:
1.33 cvs 2603: AmayaLastHTTPErrorMsg [0] = EOS;
2604:
1.116 cvs 2605: if (urlName == NULL || docid == 0 || fileName == NULL
2606: || !TtaFileExist (fileName))
1.4 cvs 2607: /* no file to be uploaded */
2608: return HT_ERROR;
2609:
2610: /* do we support this protocol? */
1.7 cvs 2611: if (IsValidProtocol (urlName) == NO)
2612: {
2613: /* return error */
1.77 cvs 2614: TtaSetStatus (docid, 1,
2615: TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL),
1.7 cvs 2616: urlName);
2617: return HT_ERROR;
2618: }
1.116 cvs 2619:
2620: /* verify the file's size */
2621: #ifndef _WINDOWS
1.7 cvs 2622: if ((fd = open (fileName, O_RDONLY)) == -1)
1.116 cvs 2623: #else
1.137 cvs 2624: if ((fd = _open (fileName, _O_RDONLY | _O_BINARY)) == -1)
1.116 cvs 2625: #endif /* _WINDOWS */
1.7 cvs 2626: {
2627: /* if we could not open the file, exit */
2628: /*error msg here */
2629: return (HT_ERROR);
2630: }
1.4 cvs 2631:
2632: fstat (fd, &file_stat);
1.137 cvs 2633: # ifdef _WINDOWS
2634: _close (fd);
2635: # else /* _WINDOWS */
1.116 cvs 2636: close (fd);
1.137 cvs 2637: # endif /* _WINDOWS */
1.4 cvs 2638:
1.7 cvs 2639: if (file_stat.st_size == 0)
2640: {
2641: /* file was empty */
2642: /*errmsg here */
2643: return (HT_ERROR);
2644: }
1.116 cvs 2645:
2646: /* prepare the request context */
1.4 cvs 2647: if (THD_TRACE)
1.116 cvs 2648: fprintf (stderr, "file size == %u\n", (unsigned) file_stat.st_size);
1.4 cvs 2649:
2650: me = AHTReqContext_new (docid);
1.7 cvs 2651: if (me == NULL)
2652: {
1.168 cvs 2653: /* @@ need an error message here */
1.151 cvs 2654: TtaHandlePendingEvents ();
1.7 cvs 2655: return (HT_ERROR);
2656: }
1.116 cvs 2657:
1.4 cvs 2658: me->mode = mode;
2659: me->incremental_cbf = (TIcbf *) NULL;
2660: me->context_icbf = (void *) NULL;
2661: me->terminate_cbf = terminate_cbf;
2662: me->context_tcbf = context_tcbf;
2663: me->urlName = urlName;
1.116 cvs 2664: me->block_size = file_stat.st_size;
1.17 cvs 2665: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 2666: me->method = METHOD_PUT;
2667: me->output = stdout;
1.17 cvs 2668: /* we are not expecting to receive any input from the server */
2669: me->outputfile = (char *) NULL;
1.4 cvs 2670:
1.134 cvs 2671: #ifdef _WINDOWS
2672: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 2673: so we sidestep it */
1.134 cvs 2674: fileURL = NULL;
2675: StrAllocCopy (fileURL, "file:");
2676: StrAllocCat (fileURL, fileName);
2677: #else
1.116 cvs 2678: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 2679: #endif /* _WINDOWS */
1.168 cvs 2680: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 2681: HT_FREE (fileURL);
1.168 cvs 2682: me->dest = HTAnchor_findAddress (urlName);
1.169 cvs 2683: /* we memorize the anchor's parent @ as we use it a number of times
2684: in the following lines */
2685: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 2686:
1.169 cvs 2687: /*
2688: ** Set the Content-Type of the file we are uploading
2689: */
2690: /* we try to use any content-type previosuly associated
2691: with the parent. If it doesn't exist, we try to guess it
2692: from the URL */
2693: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2694: if (!tmp || !strcmp (tmp, "www/unknown"))
2695: {
2696: HTAnchor_setFormat (dest_anc_parent,
2697: AHTGuessAtom_for (me->urlName, contentType));
2698: tmp = HTAtom_name (HTAnchor_format (dest_anc_parent));
2699: }
2700: /* .. and we give the same type to the source anchor */
2701: /* we go thru setOutputFormat, rather than change the parent's
2702: anchor, as that's the place that libwww expects it to be */
2703:
1.170 cvs 2704: HTAnchor_setFormat (HTAnchor_parent (me->source),
1.169 cvs 2705: HTAtom_for (tmp));
2706: HTRequest_setOutputFormat (me->request,
2707: HTAtom_for (tmp));
1.134 cvs 2708:
2709: /* define other request characteristics */
1.116 cvs 2710: #ifdef _WINDOWS
1.136 cvs 2711: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2712: #else
1.134 cvs 2713: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 2714: #endif /* _WINDOWS */
2715:
1.151 cvs 2716: /*
2717: ** Make sure that the first request is flushed immediately and not
2718: ** buffered in the output buffer
2719: */
2720: if (mode & AMAYA_FLUSH_REQUEST)
2721: HTRequest_setFlush(me->request, YES);
1.168 cvs 2722:
2723: /* Should we use preconditions? */
1.172 cvs 2724: if (lost_update_check)
1.168 cvs 2725: {
1.172 cvs 2726: if (UsePreconditions)
2727: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
2728:
2729: if (etag)
2730: {
2731: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
2732: }
2733: else
2734: {
2735: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2736: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
2737: HT_FILTER_MIDDLE, YES);
2738: }
1.168 cvs 2739: }
2740: else
2741: {
1.172 cvs 2742: /* don't use preconditions */
1.168 cvs 2743: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
2744: }
1.151 cvs 2745:
1.136 cvs 2746: /* don't use the cache while saving a document */
2747: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 2748:
1.164 cvs 2749: /* Throw away any reponse body */
2750: /*
2751: HTRequest_setOutputStream (me->request, HTBlackHole());
2752: */
2753:
1.168 cvs 2754: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 2755: ChopURL (me->status_urlName, me->urlName);
2756: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING),
1.168 cvs 2757: me->status_urlName);
1.114 cvs 2758:
1.164 cvs 2759: /* make the request */
1.172 cvs 2760: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 2761: status = HTHeadAnchor (me->dest, me->request);
2762: else
2763: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 2764:
1.130 cvs 2765: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 2766: {
1.168 cvs 2767: /* part of the stop button handler */
2768: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
2769: status = LoopForStop (me);
1.15 cvs 2770: }
1.136 cvs 2771: if (!HTRequest_kill (me->request))
2772: AHTReqContext_delete (me);
1.168 cvs 2773:
1.116 cvs 2774: TtaHandlePendingEvents ();
1.90 cvs 2775:
1.130 cvs 2776: return (status == YES ? 0 : -1);
1.28 cvs 2777: }
1.4 cvs 2778:
1.5 cvs 2779: /*----------------------------------------------------------------------
1.138 cvs 2780: StopRequest
1.17 cvs 2781: stops (kills) all active requests associated with a docid
1.5 cvs 2782: ----------------------------------------------------------------------*/
1.4 cvs 2783: #ifdef __STDC__
2784: void StopRequest (int docid)
2785: #else
2786: void StopRequest (docid)
2787: int docid;
2788: #endif
2789: {
1.140 cvs 2790: if (Amaya && CanDoStop ())
1.138 cvs 2791: {
1.139 cvs 2792: #if 0 /* for later */
1.140 cvs 2793: AHTDocId_Status *docid_status;
2794: /* verify if there are any requests at all associated with docid */
1.138 cvs 2795: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
2796: Amaya->docid_status);
2797: if (docid_status == (AHTDocId_Status *) NULL)
2798: return;
1.139 cvs 2799: #endif /* 0 */
1.138 cvs 2800: /* temporary call to stop all requests, as libwww changed its API */
2801: StopAllRequests (docid);
2802: }
2803: }
2804:
2805: /*----------------------------------------------------------------------
2806: StopAllRequests
2807: stops (kills) all active requests. We use the docid
2808: ----------------------------------------------------------------------*/
2809: #ifdef __STDC__
2810: void StopAllRequests (int docid)
2811: #else
1.140 cvs 2812: void StopAllRequests (docid)
1.138 cvs 2813: int docid;
2814: #endif
2815: {
1.4 cvs 2816: HTList *cur;
2817: AHTReqContext *me;
1.146 cvs 2818: static boolean lock_stop = 0;
1.161 cvs 2819: boolean async_flag;
1.116 cvs 2820:
1.138 cvs 2821: /* only do the stop if we're not being called while processing a
1.146 cvs 2822: request, and if we're not already dealing with a stop */
2823: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 2824: {
1.100 cvs 2825: #ifdef DEBUG_LIBWWW
1.138 cvs 2826: fprintf (stderr, "StopRequest: number of Amaya requests "
2827: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 2828: #endif /* DEBUG_LIBWWW */
1.150 cvs 2829: /* enter the critical section */
1.146 cvs 2830: lock_stop = TRUE;
1.164 cvs 2831: /* expire all outstanding timers */
2832: HTTimer_expireAll ();
1.160 cvs 2833: /* HTNet_killAll (); */
1.116 cvs 2834: cur = Amaya->reqlist;
2835: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
2836: {
1.140 cvs 2837: if (AmayaIsAlive ())
1.160 cvs 2838: {
1.161 cvs 2839: #ifdef DEBUG_LIBWWW
1.163 cvs 2840: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 2841: #endif /* DEBUG_LIBWWW */
2842:
1.165 cvs 2843: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 2844: {
2845: if ((me->mode & AMAYA_ASYNC)
2846: || (me->mode & AMAYA_IASYNC))
2847: async_flag = TRUE;
2848: else
2849: async_flag = FALSE;
2850:
1.165 cvs 2851: /* change the status to say that the request aborted */
2852: me->reqStatus = HT_ABORT;
2853:
1.163 cvs 2854: /* kill the request, using the appropriate function */
2855: if (me->request->net)
2856: HTNet_killPipe (me->request->net);
2857: else
2858: {
1.160 cvs 2859: if (me->terminate_cbf)
2860: (*me->terminate_cbf) (me->docid, -1, me->urlName,
2861: me->outputfile,
2862: me->content_type,
2863: me->context_tcbf);
1.164 cvs 2864:
2865: if (async_flag)
1.165 cvs 2866: /* explicitly free the request context for async
2867: requests. The sync requests context is freed by LoopForStop */
1.164 cvs 2868: AHTReqContext_delete (me);
1.160 cvs 2869: }
1.163 cvs 2870: cur = Amaya->reqlist;
2871: }
1.142 cvs 2872: #ifndef _WINDOWS
2873: #ifdef WWW_XWINDOWS
1.140 cvs 2874: /* to be on the safe side, remove all outstanding X events */
1.160 cvs 2875: else
2876: RequestKillAllXtevents (me);
1.142 cvs 2877: #endif /* WWW_XWINDOWS */
2878: #endif /* !_WINDOWS */
1.160 cvs 2879: }
1.116 cvs 2880: }
1.150 cvs 2881: /* Delete remaining channels */
2882: HTChannel_safeDeleteAll ();
2883: /* exit the critical section */
1.148 cvs 2884: lock_stop = FALSE;
1.100 cvs 2885: #ifdef DEBUG_LIBWWW
1.138 cvs 2886: fprintf (stderr, "StopRequest: number of Amaya requests "
2887: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 2888: #endif /* DEBUG_LIBWWW */
1.138 cvs 2889: }
2890: } /* StopAllRequests */
1.17 cvs 2891:
2892:
1.105 cvs 2893: /*----------------------------------------------------------------------
2894: AmayaIsAlive
1.140 cvs 2895: returns the value of the AmayaAlive_flag
1.105 cvs 2896: ----------------------------------------------------------------------*/
2897: #ifdef __STDC__
2898: boolean AmayaIsAlive (void)
2899: #else
2900: boolean AmayaIsAlive ()
2901: #endif /* _STDC_ */
2902: {
1.140 cvs 2903: return AmayaAlive_flag;
2904: }
2905:
2906: /*----------------------------------------------------------------------
2907: CanDoStop
2908: returns the value of the CanDoStop flag
2909: ----------------------------------------------------------------------*/
2910: #ifdef __STDC__
2911: boolean CanDoStop (void)
2912: #else
2913: boolean CanDoStop ()
2914: #endif /* _STDC_ */
2915: {
2916: return CanDoStop_flag;
2917: }
2918:
2919: /*----------------------------------------------------------------------
2920: CanDoStop_set
2921: sets the value of the CanDoStop flag
2922: ----------------------------------------------------------------------*/
2923: #ifdef __STDC__
2924: void CanDoStop_set (boolean value)
2925: #else
2926: void CanDoStop (value)
2927: boolean value;
2928: #endif /* _STDC_ */
2929: {
2930: CanDoStop_flag = value;
1.105 cvs 2931: }
1.116 cvs 2932:
1.69 cvs 2933: #endif /* AMAYA_JAVA */
1.77 cvs 2934:
1.116 cvs 2935: /*
2936: end of Module query.c
2937: */
1.140 cvs 2938:
2939:
2940:
2941:
2942:
2943:
1.17 cvs 2944:
2945:
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