Annotation of libwww/Robot/src/HTRobot.c, revision 1.84
1.75 frystyk 1: /*
1.84 ! frystyk 2: ** @(#) $Id: HTRobot.c,v 1.83 1999/02/23 17:53:30 frystyk Exp $
1.75 frystyk 3: **
4: ** W3C Webbot can be found at "http://www.w3.org/Robot/"
5: **
6: ** Copyright 1995-1998 World Wide Web Consortium, (Massachusetts
7: ** Institute of Technology, Institut National de Recherche en
8: ** Informatique et en Automatique, Keio University). All Rights
9: ** Reserved. This program is distributed under the W3C's Software
10: ** Intellectual Property License. This program is distributed in the hope
11: ** that it will be useful, but WITHOUT ANY WARRANTY; without even the
12: ** implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
13: ** PURPOSE. See W3C License http://www.w3.org/Consortium/Legal/ for more
14: ** details.
1.1 frystyk 15: **
16: ** Authors:
17: ** HFN Henrik Frystyk Nielsen, (frystyk@w3.org)
1.75 frystyk 18: ** BR Bob Racko
19: ** JP John Punin
1.1 frystyk 20: **
21: ** History:
22: ** Dec 04 95 First version
1.75 frystyk 23: ** Oct 1998 Split into separate files
1.1 frystyk 24: */
25:
1.75 frystyk 26: #include "HTRobMan.h"
27: #include "HTQueue.h"
28: #include "HTAncMan.h"
1.51 frystyk 29:
1.62 frystyk 30: #define SHOW_QUIET(mr) ((mr) && !((mr)->flags & MR_QUIET))
31: #define SHOW_REAL_QUIET(mr) ((mr) && !((mr)->flags & MR_REAL_QUIET))
1.1 frystyk 32:
1.75 frystyk 33: PRIVATE HTErrorMessage HTErrors[HTERR_ELEMENTS] = {HTERR_ENGLISH_INITIALIZER};
1.58 frystyk 34:
35: /*
36: ** Some sorting algorithms
37: */
1.63 frystyk 38: PRIVATE HTComparer HitSort, FormatSort, LastModifiedSort, TitleSort;
1.58 frystyk 39:
1.80 frystyk 40: /*
41: ** Ths callbacks that we need from the libwww HTML parser
42: */
43: PRIVATE HText_new RHText_new;
44: PRIVATE HText_delete RHText_delete;
45: PRIVATE HText_foundLink RHText_foundLink;
1.1 frystyk 46:
47: /* ------------------------------------------------------------------------- */
48:
1.2 frystyk 49: /* Create a "HyperDoc" object
50: ** --------------------------
51: ** A HyperDoc object contains information about whether we have already
52: ** started checking the anchor and the depth in our search
53: */
1.75 frystyk 54: PUBLIC HyperDoc * HyperDoc_new (Robot * mr,HTParentAnchor * anchor, int depth)
1.2 frystyk 55: {
56: HyperDoc * hd;
1.14 frystyk 57: if ((hd = (HyperDoc *) HT_CALLOC(1, sizeof(HyperDoc))) == NULL)
58: HT_OUTOFMEM("HyperDoc_new");
1.2 frystyk 59: hd->depth = depth;
1.55 frystyk 60: hd->hits = 1;
1.75 frystyk 61:
62: hd->code = -1;
63: hd->index = ++mr->cindex;
64:
1.2 frystyk 65: /* Bind the HyperDoc object together with the Anchor Object */
66: hd->anchor = anchor;
67: HTAnchor_setDocument(anchor, (void *) hd);
68:
69: /* Add this HyperDoc object to our list */
70: if (!mr->hyperdoc) mr->hyperdoc = HTList_new();
71: HTList_addObject(mr->hyperdoc, (void *) hd);
72: return hd;
73: }
74:
75: /* Delete a "HyperDoc" object
76: ** --------------------------
77: */
1.75 frystyk 78: PUBLIC BOOL HyperDoc_delete (HyperDoc * hd)
1.2 frystyk 79: {
80: if (hd) {
1.11 frystyk 81: HT_FREE (hd);
1.2 frystyk 82: return YES;
83: }
84: return NO;
85: }
86:
1.55 frystyk 87: /*
88: ** Sort the anchor array and log reference count
89: */
90: PRIVATE BOOL calculate_hits (Robot * mr, HTArray * array)
91: {
92: if (mr && array) {
93: HTLog * log = HTLog_open(mr->hitfile, YES, YES);
94: if (log) {
95: void ** data = NULL;
96: HTParentAnchor * anchor = NULL;
97: HTArray_sort(array, HitSort);
98: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
99: while (anchor) {
100: char * uri = HTAnchor_address((HTAnchor *) anchor);
101: HyperDoc * hd = (HyperDoc *) HTAnchor_document(anchor);
1.63 frystyk 102: if (uri && hd) HTLog_addText(log, "%8d %s\n", hd->hits, uri);
1.55 frystyk 103: HT_FREE(uri);
104: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
105: }
106: }
107: HTLog_close(log);
108: return YES;
109: }
110: return NO;
111: }
112:
113: PRIVATE int HitSort (const void * a, const void * b)
114: {
115: HyperDoc * aa = HTAnchor_document(*(HTParentAnchor **) a);
116: HyperDoc * bb = HTAnchor_document(*(HTParentAnchor **) b);
117: if (aa && bb) return (bb->hits - aa->hits);
118: return bb - aa;
119: }
120:
1.58 frystyk 121: /*
1.64 frystyk 122: ** Sort the anchor array and log link relations
123: */
124: PRIVATE BOOL calculate_linkRelations (Robot * mr, HTArray * array)
125: {
126: if (mr && array) {
1.68 frystyk 127: HTLog * log = mr->relfile ? HTLog_open(mr->relfile, YES, YES) : NULL;
128: void ** data = NULL;
129: HTParentAnchor * anchor = NULL;
130: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
131: while (anchor) {
132:
133: /*
134: ** If we have a specific link relation to look for then do this.
135: ** Otherwise look for all link relations.
136: */
137: if (mr->relation) {
138: HTLink * link = HTAnchor_findLinkType((HTAnchor *) anchor, mr->relation);
139: if (link) {
140: HTParentAnchor * dest = HTAnchor_parent(HTLink_destination(link));
141: char * src_uri = HTAnchor_address((HTAnchor *) anchor);
142: char * dest_uri = HTAnchor_address((HTAnchor *) dest);
143: if (src_uri && dest_uri) {
144: #ifdef HT_MYSQL
145: if (mr->sqllog) {
146: HTSQLLog_addLinkRelationship (mr->sqllog,
147: src_uri, dest_uri,
148: HTAtom_name(mr->relation),
149: NULL);
150: }
151: #endif
152: if (log) {
153: HTFormat format = HTAnchor_format(dest);
154: HTLog_addText(log, "%s %s %s --> %s\n",
155: HTAtom_name(mr->relation),
156: format != WWW_UNKNOWN ?
157: HTAtom_name(format) : "<unknown>",
158: src_uri, dest_uri);
159: }
160:
161: /* Cleanup */
162: HT_FREE(src_uri);
163: HT_FREE(dest_uri);
164: }
165: }
166: } else {
167: HTLink * link = HTAnchor_mainLink((HTAnchor *) anchor);
168: HTList * sublinks = HTAnchor_subLinks((HTAnchor *) anchor);
169: char * src_uri = HTAnchor_address((HTAnchor *) anchor);
170: HTLinkType linktype;
171:
172: /* First look in the main link */
173: if (link && (linktype = HTLink_type(link))) {
174: HTParentAnchor * dest = HTAnchor_parent(HTLink_destination(link));
175: char * dest_uri = HTAnchor_address((HTAnchor *) dest);
176: if (src_uri && dest_uri) {
177: #ifdef HT_MYSQL
178: if (mr->sqllog) {
179: HTSQLLog_addLinkRelationship (mr->sqllog,
180: src_uri, dest_uri,
181: HTAtom_name(linktype),
182: NULL);
183: }
184: #endif
185: if (log) {
186: HTFormat format = HTAnchor_format(dest);
187: HTLog_addText(log, "%s %s %s --> %s\n",
188: HTAtom_name(linktype),
189: format != WWW_UNKNOWN ?
190: HTAtom_name(format) : "<unknown>",
191: src_uri, dest_uri);
192: }
193: }
194: HT_FREE(dest_uri);
195: }
196:
197: /* and then in any sublinks */
198: if (sublinks) {
199: HTLink * pres;
200: while ((pres = (HTLink *) HTList_nextObject(sublinks))) {
201: if ((linktype = HTLink_type(pres))) {
202: HTParentAnchor * dest = HTAnchor_parent(HTLink_destination(pres));
1.64 frystyk 203: char * dest_uri = HTAnchor_address((HTAnchor *) dest);
1.68 frystyk 204: if (src_uri && dest_uri) {
205: #ifdef HT_MYSQL
206: if (mr->sqllog) {
207: HTSQLLog_addLinkRelationship (mr->sqllog,
208: src_uri, dest_uri,
209: HTAtom_name(linktype),
210: NULL);
211: }
212: #endif
213: if (log) {
214: HTFormat format = HTAnchor_format(dest);
215: HTLog_addText(log, "%s %s %s --> %s\n",
216: HTAtom_name(linktype),
217: format != WWW_UNKNOWN ?
218: HTAtom_name(format) : "<unknown>",
219: src_uri, dest_uri);
220: }
1.64 frystyk 221: HT_FREE(dest_uri);
222: }
223: }
224: }
225: }
1.68 frystyk 226:
227: /* Cleanup */
228: HT_FREE(src_uri);
229: }
230: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
1.64 frystyk 231: }
1.68 frystyk 232: if (log) HTLog_close(log);
1.64 frystyk 233: return YES;
234: }
235: return NO;
236: }
237:
238: /*
1.63 frystyk 239: ** Sort the anchor array and log last modified date
240: */
241: PRIVATE BOOL calculate_lm (Robot * mr, HTArray * array)
242: {
243: if (mr && array) {
244: HTLog * log = HTLog_open(mr->lmfile, YES, YES);
245: if (log) {
246: void ** data = NULL;
247: HTParentAnchor * anchor = NULL;
248: HTArray_sort(array, LastModifiedSort);
249: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
250: while (anchor) {
251: char * uri = HTAnchor_address((HTAnchor *) anchor);
252: time_t lm = HTAnchor_lastModified(anchor);
253: if (uri && lm > 0)
254: HTLog_addText(log, "%s %s\n", HTDateTimeStr(&lm, NO), uri);
255: HT_FREE(uri);
256: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
257: }
258: }
259: HTLog_close(log);
260: return YES;
261: }
262: return NO;
263: }
264:
265: PRIVATE int LastModifiedSort (const void * a, const void * b)
266: {
267: time_t aa = HTAnchor_lastModified(*(HTParentAnchor **) a);
268: time_t bb = HTAnchor_lastModified(*(HTParentAnchor **) b);
269: return bb - aa;
270: }
271:
272: /*
273: ** Sort the anchor array and log the document title
274: */
275: PRIVATE BOOL calculate_title (Robot * mr, HTArray * array)
276: {
277: if (mr && array) {
278: HTLog * log = HTLog_open(mr->titlefile, YES, YES);
279: if (log) {
280: void ** data = NULL;
281: HTParentAnchor * anchor = NULL;
282: HTArray_sort(array, TitleSort);
283: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
284: while (anchor) {
285: char * uri = HTAnchor_address((HTAnchor *) anchor);
286: const char * title = HTAnchor_title(anchor);
287: HTCharset charset = HTAnchor_charset(anchor);
288: if (uri) HTLog_addText(log, "%s `%s\' %s\n",
289: charset ? HTAtom_name(charset) : "<none>",
290: title ? title : "<none>",
291: uri);
292: HT_FREE(uri);
293: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
294: }
295: }
296: HTLog_close(log);
297: return YES;
298: }
299: return NO;
300: }
301:
302: PRIVATE int TitleSort (const void * a, const void * b)
303: {
304: const char * aa = HTAnchor_title(*(HTParentAnchor **) a);
305: const char * bb = HTAnchor_title(*(HTParentAnchor **) b);
306: return strcasecomp(bb?bb:"", aa?aa:"");
307: }
308:
309: /*
1.58 frystyk 310: ** Calculate distributions for media types. The same mechanism
311: ** can be used for other characteristics with relatively
312: ** few outcomes.
313: */
314: PRIVATE HTList * mediatype_distribution (HTArray * array)
315: {
316: if (array) {
317: HTList * mt = HTList_new();
318: MetaDist * pres = NULL;
319: void ** data = NULL;
320: HTParentAnchor * anchor = NULL;
321: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
322: while (anchor) {
323: HTFormat format = HTAnchor_format(anchor);
324: if (format && format != WWW_UNKNOWN) {
325: HTList * cur = mt;
326:
327: /* If found then increase counter */
328: while ((pres = (MetaDist *) HTList_nextObject(cur))) {
329: if (pres->name == format) {
330: pres->hits++;
331: break;
332: }
333: }
334:
335: /* If not found then add new format to list */
336: if (!pres) {
337: if ((pres = (MetaDist *) HT_CALLOC(1, sizeof(MetaDist))) == NULL)
338: HT_OUTOFMEM("mediatype_distribution");
339: pres->name = format;
340: pres->hits = 1;
341: HTList_addObject(mt, pres);
342: HTList_insertionSort(mt, FormatSort);
343: }
344: }
345:
346: /* Find next anchor in array */
347: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
348: }
349: return mt;
350: }
351: return NULL;
352: }
353:
1.60 frystyk 354: /*
355: ** Calculate distributions for charsets. The same mechanism
356: ** can be used for other characteristics with relatively
357: ** few outcomes.
358: */
359: PRIVATE HTList * charset_distribution (HTArray * array)
360: {
361: if (array) {
362: HTList * cs = HTList_new();
363: MetaDist * pres = NULL;
364: void ** data = NULL;
365: HTParentAnchor * anchor = NULL;
366: anchor = (HTParentAnchor *) HTArray_firstObject(array, data);
367: while (anchor) {
368: HTCharset charset = HTAnchor_charset(anchor);
369: if (charset) {
370: HTList * cur = cs;
371:
372: /* If found then increase counter */
373: while ((pres = (MetaDist *) HTList_nextObject(cur))) {
374: if (pres->name == charset) {
375: pres->hits++;
376: break;
377: }
378: }
379:
380: /* If not found then add new format to list */
381: if (!pres) {
382: if ((pres = (MetaDist *) HT_CALLOC(1, sizeof(MetaDist))) == NULL)
383: HT_OUTOFMEM("charset_distribution");
384: pres->name = charset;
385: pres->hits = 1;
386: HTList_addObject(cs, pres);
387: HTList_insertionSort(cs, FormatSort);
388: }
389: }
390:
391: /* Find next anchor in array */
392: anchor = (HTParentAnchor *) HTArray_nextObject(array, data);
393: }
394: return cs;
395: }
396: return NULL;
397: }
398:
1.58 frystyk 399: PRIVATE int FormatSort (const void * a, const void * b)
400: {
401: MetaDist * aa = (MetaDist *) a;
402: MetaDist * bb = (MetaDist *) b;
403: return strcmp(HTAtom_name(bb->name), HTAtom_name(aa->name));
404: }
405:
406: PRIVATE BOOL log_meta_distribution (const char * logfile, HTList * distribution)
407: {
408: if (logfile && distribution) {
409: HTLog * log = HTLog_open(logfile, YES, YES);
410: if (log) {
411: HTList * cur = distribution;
412: MetaDist * pres;
413: while ((pres = (MetaDist *) HTList_nextObject(cur))) {
414: if (pres->name) {
1.60 frystyk 415: HTLog_addText(log, "%8d %s\n", pres->hits, HTAtom_name(pres->name));
1.58 frystyk 416: }
417: }
418: HTLog_close(log);
419: }
420: }
421: return NO;
422: }
423:
424: PRIVATE BOOL delete_meta_distribution (HTList * distribution)
425: {
426: if (distribution) {
427: HTList * cur = distribution;
428: MetaDist * pres;
429: while ((pres = (MetaDist *) HTList_nextObject(cur)))
430: HT_FREE(pres);
431: HTList_delete(distribution);
432: return YES;
433: }
434: return NO;
435: }
436:
437:
1.55 frystyk 438: /* Statistics
439: ** ----------
440: ** Calculates a bunch of statistics for the anchors traversed
441: */
442: PRIVATE BOOL calculate_statistics (Robot * mr)
443: {
1.59 frystyk 444: long total_docs = mr->get_docs + mr->head_docs + mr->other_docs;
1.55 frystyk 445: if (!mr) return NO;
446:
447: /* Calculate efficiency */
1.59 frystyk 448: if (mr->time > 0) {
1.56 frystyk 449: ms_t t = HTGetTimeInMillis() - mr->time;
450: if (t > 0) {
1.60 frystyk 451: double loadfactor = (mr->get_bytes / (t * 0.001));
452: double reqprsec = (total_docs / (t * 0.001));
1.56 frystyk 453: double secs = t / 1000.0;
1.55 frystyk 454: char bytes[50];
1.62 frystyk 455: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 456: HTPrint("\nAccessed %ld documents in %.2f seconds (%.2f requests pr sec)\n",
1.62 frystyk 457: total_docs, secs, reqprsec);
1.59 frystyk 458:
459: HTNumToStr(mr->get_bytes, bytes, 50);
1.62 frystyk 460: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 461: HTPrint("\tDid a GET on %ld document(s) and downloaded %s bytes of document bodies (%2.1f bytes/sec)\n",
1.62 frystyk 462: mr->get_docs, bytes, loadfactor);
1.59 frystyk 463:
464: HTNumToStr(mr->head_bytes, bytes, 50);
1.62 frystyk 465: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 466: HTPrint("\tDid a HEAD on %ld document(s) with a total of %s bytes\n",
1.62 frystyk 467: mr->head_docs, bytes);
1.55 frystyk 468: }
469: }
470:
471: /* Create an array of existing anchors */
1.59 frystyk 472: if (total_docs > 1) {
473: HTArray * array = HTAnchor_getArray(total_docs);
1.55 frystyk 474: if (array) {
475:
1.63 frystyk 476: /* Distributions */
477: if (mr->flags & MR_DISTRIBUTIONS) {
1.82 frystyk 478: if (SHOW_REAL_QUIET(mr)) HTPrint("\nDistributions:\n");
1.63 frystyk 479: }
480:
1.55 frystyk 481: /* Sort after hit counts */
1.63 frystyk 482: if (mr->hitfile) {
483: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 484: HTPrint("\tLogged hit count distribution in file `%s\'\n",
1.63 frystyk 485: mr->hitfile);
486: calculate_hits(mr, array);
487: }
488:
1.64 frystyk 489: /* Sort after link relations */
1.68 frystyk 490: #ifdef HT_MYSQL
491: if (mr->relfile || mr->sqllog) {
1.69 frystyk 492: #else
493: if (mr->relfile) {
494: #endif
1.68 frystyk 495: if (mr->relfile && SHOW_REAL_QUIET(mr))
1.82 frystyk 496: HTPrint("\tLogged link relationship distribution in file `%s\'\n",
1.64 frystyk 497: mr->relfile);
498: calculate_linkRelations(mr, array);
499: }
500:
1.63 frystyk 501: /* Sort after modified date */
502: if (mr->lmfile) {
503: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 504: HTPrint("\tLogged last modified distribution in file `%s\'\n",
1.63 frystyk 505: mr->lmfile);
506: calculate_lm(mr, array);
507: }
508:
509: /* Sort after title */
510: if (mr->titlefile) {
511: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 512: HTPrint("\tLogged title distribution in file `%s\'\n",
1.63 frystyk 513: mr->titlefile);
514: calculate_title(mr, array);
515: }
1.55 frystyk 516:
1.58 frystyk 517: /* Find mediatype distribution */
518: if (mr->mtfile) {
519: HTList * mtdist = mediatype_distribution(array);
520: if (mtdist) {
1.63 frystyk 521: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 522: HTPrint("\tLogged media type distribution in file `%s\'\n",
1.63 frystyk 523: mr->mtfile);
1.58 frystyk 524: log_meta_distribution(mr->mtfile, mtdist);
525: delete_meta_distribution(mtdist);
526: }
527: }
1.55 frystyk 528:
1.60 frystyk 529: /* Find charset distribution */
530: if (mr->charsetfile) {
531: HTList * charsetdist = charset_distribution(array);
532: if (charsetdist) {
1.63 frystyk 533: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 534: HTPrint("\tLogged charset distribution in file `%s\'\n",
1.63 frystyk 535: mr->charsetfile);
1.60 frystyk 536: log_meta_distribution(mr->charsetfile, charsetdist);
537: delete_meta_distribution(charsetdist);
538: }
539: }
540:
1.55 frystyk 541: /* Add as may other stats here as you like */
1.60 frystyk 542: /* ... */
1.58 frystyk 543:
544: /* Delete the array */
1.55 frystyk 545: HTArray_delete(array);
546: }
547: }
548: return YES;
549: }
550:
1.75 frystyk 551: PRIVATE HTParentAnchor *
552: get_last_parent(HTParentAnchor *anchor)
553: {
554: HTAnchor *anc;
555: HTList *sources = anchor->sources;
556:
557: while((anc = (HTAnchor *) HTList_nextObject(sources)) != NULL)
558: {
559: HTParentAnchor *panchor = HTAnchor_parent(anc);
560: return panchor;
561: }
562: return NULL;
563: }
564:
565: PRIVATE void
566: set_error_state_hyperdoc(HyperDoc * hd, HTRequest *request)
567: {
568: HTList * cur = HTRequest_error(request);
569: HTError *pres;
570:
571: while((pres = (HTError *) HTList_nextObject(cur)) != NULL)
572: {
573: int code =HTErrors[HTError_index(pres)].code;
574:
575: hd->code = code;
576: }
577: }
578:
579:
580: PRIVATE int
581: test_for_blank_spaces(char *uri)
582: {
583: char *ptr = uri;
584: for(;*ptr!='\0';ptr++)
585: if(*ptr == ' ')
586: return 1;
587: return 0;
588: }
589:
590:
1.1 frystyk 591: /* Create a Command Line Object
592: ** ----------------------------
593: */
1.75 frystyk 594: PUBLIC Robot * Robot_new (void)
1.1 frystyk 595: {
596: Robot * me;
1.41 frystyk 597: if ((me = (Robot *) HT_CALLOC(1, sizeof(Robot))) == NULL)
1.14 frystyk 598: HT_OUTOFMEM("Robot_new");
1.2 frystyk 599: me->hyperdoc = HTList_new();
1.4 frystyk 600: me->htext = HTList_new();
1.74 frystyk 601: me->timer = DEFAULT_TIMEOUT*MILLIES;
1.75 frystyk 602: me->waits = 0;
1.25 frystyk 603: me->cwd = HTGetCurrentDirectoryURL();
1.1 frystyk 604: me->output = OUTPUT;
1.35 eric 605: me->cnt = 0;
1.75 frystyk 606: me->ndoc = -1;
1.34 eric 607: me->fingers = HTList_new();
1.75 frystyk 608:
609: /* This is new */
610: me->queue = HTQueue_new();
611: me->cq = 0;
612: me->furl = NULL;
613:
1.1 frystyk 614: return me;
615: }
616:
617: /* Delete a Command Line Object
618: ** ----------------------------
619: */
1.62 frystyk 620: PRIVATE BOOL Robot_delete (Robot * mr)
1.1 frystyk 621: {
1.62 frystyk 622: if (mr) {
623: HTList_delete(mr->fingers);
1.55 frystyk 624:
625: /* Calculate statistics */
1.62 frystyk 626: calculate_statistics(mr);
1.55 frystyk 627:
1.62 frystyk 628: if (mr->hyperdoc) {
629: HTList * cur = mr->hyperdoc;
1.2 frystyk 630: HyperDoc * pres;
631: while ((pres = (HyperDoc *) HTList_nextObject(cur)))
632: HyperDoc_delete(pres);
1.62 frystyk 633: HTList_delete(mr->hyperdoc);
1.2 frystyk 634: }
1.62 frystyk 635: if (mr->htext) {
636: HTList * cur = mr->htext;
1.4 frystyk 637: HText * pres;
638: while ((pres = (HText *) HTList_nextObject(cur)))
1.80 frystyk 639: RHText_delete(pres);
1.62 frystyk 640: HTList_delete(mr->htext);
1.4 frystyk 641: }
1.62 frystyk 642:
643: /* Close all the log files */
1.63 frystyk 644: if (mr->flags & MR_LOGGING) {
1.82 frystyk 645: if (SHOW_REAL_QUIET(mr)) HTPrint("\nRaw Log files:\n");
1.63 frystyk 646: }
647:
1.62 frystyk 648: if (mr->log) {
649: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 650: HTPrint("\tLogged %5d entries in general log file `%s\'\n",
1.62 frystyk 651: HTLog_accessCount(mr->log), mr->logfile);
652: HTLog_close(mr->log);
653: }
654: if (mr->ref) {
655: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 656: HTPrint("\tLogged %5d entries in referer log file `%s\'\n",
1.62 frystyk 657: HTLog_accessCount(mr->ref), mr->reffile);
658: HTLog_close(mr->ref);
659: }
660: if (mr->reject) {
661: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 662: HTPrint("\tLogged %5d entries in rejected log file `%s\'\n",
1.62 frystyk 663: HTLog_accessCount(mr->reject), mr->rejectfile);
664: HTLog_close(mr->reject);
665: }
666: if (mr->notfound) {
667: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 668: HTPrint("\tLogged %5d entries in not found log file `%s\'\n",
1.62 frystyk 669: HTLog_accessCount(mr->notfound), mr->notfoundfile);
670: HTLog_close(mr->notfound);
671: }
672: if (mr->conneg) {
673: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 674: HTPrint("\tLogged %5d entries in content negotiation log file `%s\'\n",
1.62 frystyk 675: HTLog_accessCount(mr->conneg), mr->connegfile);
676: HTLog_close(mr->conneg);
677: }
678: if (mr->noalttag) {
679: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 680: HTPrint("\tLogged %5d entries in missing alt tag log file `%s\'\n",
1.62 frystyk 681: HTLog_accessCount(mr->noalttag), mr->noalttagfile);
682: HTLog_close(mr->noalttag);
683: }
684:
685: if (mr->output && mr->output != STDOUT) fclose(mr->output);
686:
687: if (mr->flags & MR_TIME) {
1.12 frystyk 688: time_t local = time(NULL);
1.62 frystyk 689: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 690: HTPrint("\nRobot terminated %s\n", HTDateTimeStr(&local, YES));
1.12 frystyk 691: }
1.55 frystyk 692:
1.75 frystyk 693: /* This is new */
1.83 frystyk 694: #if 0
695: if (mr->cdepth) FT_FREE(mr->cdepth);
696: #endif
697:
1.75 frystyk 698: if(mr->furl) HT_FREE(mr->furl);
699:
1.58 frystyk 700: #ifdef HT_POSIX_REGEX
1.62 frystyk 701: if (mr->include) {
702: regfree(mr->include);
703: HT_FREE(mr->include);
704: }
705: if (mr->exclude) {
706: regfree(mr->exclude);
707: HT_FREE(mr->exclude);
708: }
1.75 frystyk 709: if (mr->exc_robot) {
710: regfree(mr->exc_robot);
711: HT_FREE(mr->exc_robot);
712: }
1.62 frystyk 713: if (mr->check) {
714: regfree(mr->check);
715: HT_FREE(mr->check);
1.58 frystyk 716: }
717: #endif
718:
1.68 frystyk 719: #ifdef HT_MYSQL
720: if (mr->sqllog) {
721: HTSQLLog_close(mr->sqllog);
722: mr->sqllog = NULL;
723: }
724: #endif
725:
1.81 frystyk 726: if (mr->queue) HTQueue_delete(mr->queue);
1.62 frystyk 727: HT_FREE(mr->cwd);
728: HT_FREE(mr->prefix);
729: HT_FREE(mr->img_prefix);
730: HT_FREE(mr);
1.1 frystyk 731: return YES;
732: }
733: return NO;
734: }
735:
1.2 frystyk 736: /*
1.34 eric 737: ** This function creates a new finger object and initializes it with a new request
1.2 frystyk 738: */
1.75 frystyk 739: PUBLIC Finger * Finger_new (Robot * robot, HTParentAnchor * dest, HTMethod method)
1.2 frystyk 740: {
1.34 eric 741: Finger * me;
742: HTRequest * request = HTRequest_new();
743: if ((me = (Finger *) HT_CALLOC(1, sizeof(Finger))) == NULL)
744: HT_OUTOFMEM("Finger_new");
745: me->robot = robot;
746: me->request = request;
747: me->dest = dest;
748: HTList_addObject(robot->fingers, (void *)me);
749:
1.48 frystyk 750: /* Set the context for this request */
1.34 eric 751: HTRequest_setContext (request, me);
1.48 frystyk 752:
753: /* Check the various flags to customize the request */
754: if (robot->flags & MR_PREEMPTIVE)
755: HTRequest_setPreemptive(request, YES);
756: if (robot->flags & MR_VALIDATE)
757: HTRequest_setReloadMode(request, HT_CACHE_VALIDATE);
758: if (robot->flags & MR_END_VALIDATE)
759: HTRequest_setReloadMode(request, HT_CACHE_END_VALIDATE);
760:
761: /* We wanna make sure that we are sending a Host header (default) */
1.34 eric 762: HTRequest_addRqHd(request, HT_C_HOST);
1.48 frystyk 763:
764: /* Set the method for this request */
1.34 eric 765: HTRequest_setMethod(request, method);
766: robot->cnt++;
767: return me;
1.2 frystyk 768: }
769:
1.34 eric 770: PRIVATE int Finger_delete (Finger * me)
1.2 frystyk 771: {
1.34 eric 772: HTList_removeObject(me->robot->fingers, (void *)me);
773: me->robot->cnt--;
1.37 frystyk 774:
775: /*
776: ** If we are down at one request then flush the output buffer
777: */
778: if (me->request) {
779: if (me->robot->cnt == 1) HTRequest_forceFlush(me->request);
1.34 eric 780: HTRequest_delete(me->request);
1.37 frystyk 781: }
782:
783: /*
784: ** Delete the request and free myself
785: */
1.34 eric 786: HT_FREE(me);
787: return YES;
1.2 frystyk 788: }
789:
790: /*
791: ** Cleanup and make sure we close all connections including the persistent
792: ** ones
793: */
1.75 frystyk 794: PUBLIC void Cleanup (Robot * me, int status)
1.1 frystyk 795: {
1.84 ! frystyk 796: /*
! 797: ** First we clean up the robot itself and calculate the various
! 798: ** statistics. This can actually take some time as a lot of data
! 799: ** has to be manipulated
! 800: */
! 801: Robot_delete(me);
! 802:
! 803: /*
! 804: ** Then we shut down libwww
! 805: */
1.81 frystyk 806: HTProfile_delete();
1.84 ! frystyk 807:
1.50 frystyk 808: #ifdef HT_MEMLOG
1.39 eric 809: HTMemLog_close();
1.47 frystyk 810: #endif
811:
1.1 frystyk 812: #ifdef VMS
813: exit(status ? status : 1);
814: #else
815: exit(status ? status : 0);
816: #endif
817: }
818:
1.58 frystyk 819: #ifdef HT_POSIX_REGEX
820: PRIVATE char * get_regerror (int errcode, regex_t * compiled)
821: {
822: size_t length = regerror (errcode, compiled, NULL, 0);
823: char * str = NULL;
824: if ((str = (char *) HT_MALLOC(length+1)) == NULL)
825: HT_OUTOFMEM("get_regerror");
826: (void) regerror (errcode, compiled, str, length);
827: return str;
828: }
829:
1.75 frystyk 830: PUBLIC regex_t * get_regtype (Robot * mr, const char * regex_str, int cflags)
1.58 frystyk 831: {
832: regex_t * regex = NULL;
833: if (regex_str && *regex_str) {
834: int status;
835: if ((regex = (regex_t *) HT_CALLOC(1, sizeof(regex_t))) == NULL)
836: HT_OUTOFMEM("get_regtype");
1.60 frystyk 837: if ((status = regcomp(regex, regex_str, cflags))) {
1.58 frystyk 838: char * err_msg = get_regerror(status, regex);
1.62 frystyk 839: if (SHOW_REAL_QUIET(mr))
1.82 frystyk 840: HTPrint("Regular expression error: %s\n", err_msg);
1.58 frystyk 841: HT_FREE(err_msg);
842: Cleanup(mr, -1);
843: }
844: }
845: return regex;
846: }
847: #endif
848:
1.75 frystyk 849: PUBLIC void VersionInfo (void)
1.1 frystyk 850: {
1.82 frystyk 851: HTPrint("\nW3C OpenSource Software");
852: HTPrint("\n-----------------------\n\n");
853: HTPrint("\tWebbot version %s\n", APP_VERSION);
854: HTPrint("\tusing the W3C libwww library version %s.\n\n",HTLib_version());
855: HTPrint("\tSee \"%s\" for help\n", COMMAND_LINE);
856: HTPrint("\tSee \"http://www.w3.org/Robot/User/\" for user information\n");
857: HTPrint("\tSee \"http://www.w3.org/Robot/\" for general information\n\n");
858: HTPrint("\tPlease send feedback to the <www-lib@w3.org> mailing list,\n");
859: HTPrint("\tsee \"http://www.w3.org/Library/#Forums\" for details\n\n");
1.1 frystyk 860: }
861:
862: /* terminate_handler
863: ** -----------------
1.2 frystyk 864: ** This function is registered to handle the result of the request.
865: ** If no more requests are pending then terminate program
1.1 frystyk 866: */
1.75 frystyk 867: PUBLIC int terminate_handler (HTRequest * request, HTResponse * response,
1.32 frystyk 868: void * param, int status)
1.1 frystyk 869: {
1.34 eric 870: Finger * finger = (Finger *) HTRequest_context(request);
1.46 eric 871: Robot * mr = finger->robot;
1.82 frystyk 872: if (SHOW_QUIET(mr)) HTPrint("Robot....... done with %s\n", HTAnchor_physical(finger->dest));
1.55 frystyk 873:
1.68 frystyk 874: #ifdef HT_MYSQL
875: if (mr->sqllog) HTSQLLog_addEntry(mr->sqllog, request, status);
876: #endif
877:
1.58 frystyk 878: /* Check if negotiated resource and whether we should log that*/
879: if (mr->conneg) {
880: HTAssocList * cur = HTResponse_variant(response);
881: if (cur) {
882: BOOL first = YES;
883: HTChunk * buffer = HTChunk_new(128);
884: char * uri = HTAnchor_address((HTAnchor *) finger->dest);
885: HTAssoc * pres;
1.60 frystyk 886: HTChunk_puts(buffer, uri);
1.58 frystyk 887: while ((pres = (HTAssoc *) HTAssocList_nextObject(cur))) {
888: char * value = HTAssoc_value(pres);
889: if (first) {
1.60 frystyk 890: HTChunk_puts(buffer, "\t(");
1.58 frystyk 891: first = NO;
892: } else
893: HTChunk_puts(buffer, ", ");
894:
895: /* Output the name */
896: HTChunk_puts(buffer, HTAssoc_name(pres));
897:
898: /* Only output the value if not empty string */
1.60 frystyk 899: if (value && *value) {
1.58 frystyk 900: HTChunk_puts(buffer, "=");
901: HTChunk_puts(buffer, value);
902: }
903: }
1.60 frystyk 904: if (!first) HTChunk_puts(buffer, ")");
905: HTLog_addLine(mr->conneg, HTChunk_data(buffer));
1.58 frystyk 906: HTChunk_delete(buffer);
907: HT_FREE(uri);
908: }
909: }
910:
1.55 frystyk 911: /* Count the amount of body data that we have read */
1.59 frystyk 912: if (HTRequest_method(request) == METHOD_GET) {
913: int length = HTAnchor_length(HTRequest_anchor(request));
914: if (length > 0) mr->get_bytes += length;
915: mr->get_docs++;
916: } else if (HTRequest_method(request) == METHOD_HEAD) {
1.56 frystyk 917: int length = HTAnchor_length(HTRequest_anchor(request));
1.59 frystyk 918: if (length > 0) mr->head_bytes += length;
919: mr->head_docs++;
920: } else {
921: mr->other_docs++;
1.55 frystyk 922: }
923:
1.78 frystyk 924: if (!(mr->flags & MR_BFS)) {
925:
926: /* Delete this thread */
927: Finger_delete(finger);
928:
929: /* Should we stop? */
930: if (mr->cnt <= 0) {
1.82 frystyk 931: if (SHOW_QUIET(mr)) HTPrint(" Everything is finished...\n");
1.78 frystyk 932: Cleanup(mr, 0); /* No way back from here */
933: }
934: }
935:
1.82 frystyk 936: if (SHOW_QUIET(mr)) HTPrint(" %d outstanding request%s\n", mr->cnt, mr->cnt == 1 ? "" : "s");
1.75 frystyk 937: return HT_OK;
938:
939: }
940: PUBLIC int my_terminate_handler (HTRequest * request, HTResponse * response,
941: void * param, int status)
942: {
943: Finger * finger = (Finger *) HTRequest_context(request);
944: Robot * mr = finger->robot;
945: HTParentAnchor * dest = finger->dest;
946: HyperDoc * hd = HTAnchor_document(dest);
947: int depth = (hd ? hd->depth : -1);
948:
949: if (hd) set_error_state_hyperdoc(hd,request);
950:
951: if(hd && (HTRequest_method(request)== METHOD_HEAD) &&
952: (depth < mr->depth))
953: {
954: hd->method = METHOD_GET;
955: HTQueue_append(mr->queue, (void *)hd); (mr->cq)++;
956: }
1.58 frystyk 957:
1.34 eric 958: Finger_delete(finger);
1.55 frystyk 959:
1.75 frystyk 960: if(!(mr->flags & MR_PREEMPTIVE))
961: Serving_queue(mr);
962:
963: return HT_OK;
964: }
965:
966:
967: PUBLIC void Serving_queue(Robot *mr)
968: {
969: BOOL abort = NO;
970: Finger *nfinger;
971:
972: while(!abort)
973: {
974: if(!HTQueue_isEmpty(mr->queue))
975: {
976: HTRequest *newreq;
977:
978: HyperDoc *nhd = (HyperDoc *)HTQueue_headOfQueue(mr->queue);
979:
980: if(nhd)
981: {
982: char *uri = HTAnchor_address((HTAnchor *)nhd->anchor);
983: HTQueue_dequeue(mr->queue); (mr->cq)--;
984:
985: nfinger = Finger_new(mr, nhd->anchor, nhd->method);
986:
987: newreq = nfinger->request;
988:
1.82 frystyk 989: if(SHOW_QUIET(mr)) HTPrint("Request from QUEUE %s\n",uri);
1.75 frystyk 990: HT_FREE(uri);
1.82 frystyk 991: if(SHOW_QUIET(mr)) HTPrint("%d elements in queue \n", mr->cq);
1.75 frystyk 992:
993: HTRequest_setParent(newreq,get_last_parent(nhd->anchor));
994:
1.76 frystyk 995: /* @@@ Should be done using a timer and not sleep! @@@ */
996: #if 0
1.75 frystyk 997: if(mr->waits)
998: sleep(mr->waits);
1.76 frystyk 999: #endif
1.75 frystyk 1000:
1001: if (HTLoadAnchor((HTAnchor *)nhd->anchor , newreq) != YES)
1002: {
1.82 frystyk 1003: if (SHOW_QUIET(mr)) HTPrint("not tested!\n");
1.75 frystyk 1004: Finger_delete(nfinger);
1005: }
1006: }
1007: else
1008: abort = YES;
1009: }
1010: else
1011: abort = YES;
1012: }
1013:
1.82 frystyk 1014: if(SHOW_QUIET(mr)) HTPrint("Queue size: %d \n", mr->cq);
1.75 frystyk 1015:
1016: if (mr->cnt <= 0 || (abort && (mr->flags & MR_PREEMPTIVE)))
1017: {
1018: if(mr->cnt > 0)
1.82 frystyk 1019: if(SHOW_QUIET(mr)) HTPrint("%d requests were not served\n", mr->cnt);
1.75 frystyk 1020:
1.82 frystyk 1021: if (SHOW_QUIET(mr)) HTPrint(" Everything is finished...\n");
1.46 eric 1022: Cleanup(mr, 0); /* No way back from here */
1.75 frystyk 1023: }
1.1 frystyk 1024: }
1025:
1026: /* ------------------------------------------------------------------------- */
1027: /* HTEXT INTERFACE */
1028: /* ------------------------------------------------------------------------- */
1029:
1.80 frystyk 1030: PUBLIC BOOL Robot_registerHTMLParser (void)
1031: {
1032: HText_registerCDCallback(RHText_new, RHText_delete);
1033: HText_registerLinkCallback(RHText_foundLink);
1034: return YES;
1035: }
1036:
1037: PRIVATE HText * RHText_new (HTRequest * request, HTParentAnchor * anchor,
1038: HTStream * stream)
1.1 frystyk 1039: {
1040: HText * me;
1.34 eric 1041: Finger * finger = (Finger *) HTRequest_context(request);
1042: Robot * mr = finger->robot;
1.65 frystyk 1043: char * robots = NULL;
1044:
1.14 frystyk 1045: if ((me = (HText *) HT_CALLOC(1, sizeof(HText))) == NULL)
1046: HT_OUTOFMEM("HText_new2");
1.4 frystyk 1047:
1048: /* Bind the HText object together with the Request Object */
1.1 frystyk 1049: me->request = request;
1.65 frystyk 1050: me->follow = YES;
1051:
1052: /* Check to see if we have any meta tags */
1.77 frystyk 1053: if (!(mr->flags & MR_NOMETATAGS) && (robots = HTAnchor_robots(anchor)) != NULL) {
1.65 frystyk 1054: char * strval = NULL;
1055: char * ptr = NULL;
1056: char * token = NULL;
1057: StrAllocCopy(strval, robots);
1058: ptr = strval;
1059: while ((token = HTNextField(&ptr)) != NULL) {
1060: if (!strcasecomp(token, "nofollow")) {
1061: me->follow = NO;
1062: break;
1063: }
1064: }
1065: HT_FREE(strval);
1066: }
1.4 frystyk 1067:
1068: /* Add this HyperDoc object to our list */
1069: if (!mr->htext) mr->htext = HTList_new();
1070: HTList_addObject(mr->htext, (void *) me);
1.1 frystyk 1071: return me;
1072: }
1073:
1.80 frystyk 1074: PRIVATE BOOL RHText_delete (HText * me) {
1.81 frystyk 1075: if (me) {
1076: HT_FREE(me);
1077: return YES;
1078: }
1079: return NO;
1.4 frystyk 1080: }
1081:
1.80 frystyk 1082: PRIVATE void RHText_foundAnchor (HText * text, HTChildAnchor * anchor)
1.1 frystyk 1083: {
1084: if (text && anchor) {
1.34 eric 1085: Finger * finger = (Finger *) HTRequest_context(text->request);
1086: Robot * mr = finger->robot;
1.1 frystyk 1087: HTAnchor * dest = HTAnchor_followMainLink((HTAnchor *) anchor);
1088: HTParentAnchor * dest_parent = HTAnchor_parent(dest);
1.7 frystyk 1089: char * uri = HTAnchor_address((HTAnchor *) dest_parent);
1.1 frystyk 1090: HyperDoc * hd = HTAnchor_document(dest_parent);
1.60 frystyk 1091: HTParentAnchor * referer = HTRequest_anchor(text->request);
1.65 frystyk 1092: BOOL match = text->follow;
1.58 frystyk 1093: BOOL check = NO;
1.1 frystyk 1094:
1.75 frystyk 1095: /* These are new variables */
1096: HyperDoc * nhd = NULL;
1097: BOOL follow = YES;
1098:
1099: /* These three variables were moved */
1100: /*HTParentAnchor * last_anchor = HTRequest_parent(text->request);*/
1101: HTParentAnchor * last_anchor = HTRequest_anchor(text->request);
1102: HyperDoc * last_doc = HTAnchor_document(last_anchor);
1103: int depth = last_doc ? last_doc->depth+1 : 0;
1104:
1.55 frystyk 1105: if (!uri) return;
1.82 frystyk 1106: if (SHOW_QUIET(mr)) HTPrint("Robot....... Found `%s\' - \n", uri ? uri : "NULL\n");
1.55 frystyk 1107:
1108: if (hd) {
1.82 frystyk 1109: if (SHOW_QUIET(mr)) HTPrint("............ Already checked\n");
1.55 frystyk 1110: hd->hits++;
1.68 frystyk 1111: #ifdef HT_MYSQL
1112: if (mr->sqllog) {
1113: char * ref_addr = HTAnchor_address((HTAnchor *) referer);
1114: if (ref_addr) {
1115: HTSQLLog_addLinkRelationship(mr->sqllog, ref_addr, uri,
1116: "referer", NULL);
1117: HT_FREE(ref_addr);
1118: }
1119: }
1120: #endif
1.58 frystyk 1121: HT_FREE(uri);
1122: return;
1123: }
1.70 frystyk 1124:
1.58 frystyk 1125: /* Check for prefix match */
1.65 frystyk 1126: if (match && mr->prefix) {
1127: match = HTStrMatch(mr->prefix, uri) ? YES : NO;
1128: }
1.58 frystyk 1129:
1130: #ifdef HT_POSIX_REGEX
1.69 frystyk 1131: /*
1132: ** Check for any regular expression. The include may override
1133: ** the prefix matching
1134: */
1135: if (mr->include) {
1.58 frystyk 1136: match = regexec(mr->include, uri, 0, NULL, 0) ? NO : YES;
1137: }
1.75 frystyk 1138: if (match && mr->exc_robot) {
1139: match = regexec(mr->exc_robot, uri, 0, NULL, 0) ? YES : NO;
1140: }
1.58 frystyk 1141: if (match && mr->exclude) {
1142: match = regexec(mr->exclude, uri, 0, NULL, 0) ? YES : NO;
1143: }
1144: if (match && mr->check) {
1145: check = regexec(mr->check, uri, 0, NULL, 0) ? NO : YES;
1146: }
1147: #endif
1.75 frystyk 1148: if(uri && test_for_blank_spaces(uri))
1149: follow = NO;
1150: else if (mr->ndoc == 0) /* Number of Documents is reached */
1151: follow = NO;
1152:
1153: /* Test whether we already have a hyperdoc for this document */
1154: if(!hd && dest_parent)
1155: {
1156: nhd = HyperDoc_new(mr, dest_parent, depth);
1157: mr->cdepth[depth]++;
1158: }
1.58 frystyk 1159:
1160: /* Test whether we already have a hyperdoc for this document */
1.78 frystyk 1161: if (mr->flags & MR_LINK && match && dest_parent && follow && !hd) {
1162: if (mr->flags & MR_BFS) {
1163: nhd->method = METHOD_HEAD;
1164: HTQueue_enqueue(mr->queue, (void *) nhd);
1165: (mr->cq)++;
1166: if(mr->ndoc > 0) mr->ndoc--;
1167: } else {
1168: Finger * newfinger = Finger_new(mr, dest_parent, METHOD_GET);
1169: HTRequest * newreq = newfinger->request;
1170: HTRequest_setParent(newreq, referer);
1171: if (check || depth >= mr->depth) {
1.82 frystyk 1172: if (SHOW_QUIET(mr)) HTPrint("loading at depth %d using HEAD\n", depth);
1.78 frystyk 1173: HTRequest_setMethod(newreq, METHOD_HEAD);
1174: } else {
1.82 frystyk 1175: if (SHOW_QUIET(mr)) HTPrint("loading at depth %d\n", depth);
1.78 frystyk 1176: }
1177: if (HTLoadAnchor((HTAnchor *) dest_parent, newreq) != YES) {
1.82 frystyk 1178: if (SHOW_QUIET(mr)) HTPrint("not tested!\n");
1.78 frystyk 1179: Finger_delete(newfinger);
1180: }
1181: }
1.75 frystyk 1182:
1.7 frystyk 1183: } else {
1.82 frystyk 1184: if (SHOW_QUIET(mr)) HTPrint("............ does not fulfill constraints\n");
1.68 frystyk 1185: #ifdef HT_MYSQL
1186: if (mr->reject || mr->sqllog) {
1187: #else
1.60 frystyk 1188: if (mr->reject) {
1.68 frystyk 1189: #endif
1.60 frystyk 1190: if (referer) {
1191: char * ref_addr = HTAnchor_address((HTAnchor *) referer);
1.68 frystyk 1192: if (mr->reject && ref_addr)
1193: HTLog_addText(mr->reject, "%s --> %s\n", ref_addr, uri);
1194: #ifdef HT_MYSQL
1195: if (mr->sqllog && mr->sqlexternals && ref_addr)
1196: HTSQLLog_addLinkRelationship(mr->sqllog,
1197: ref_addr, uri,
1198: "referer", NULL);
1199: #endif
1200:
1.60 frystyk 1201: HT_FREE(ref_addr);
1202: }
1203: }
1.2 frystyk 1204: }
1.11 frystyk 1205: HT_FREE(uri);
1.2 frystyk 1206: }
1207: }
1208:
1.80 frystyk 1209: PRIVATE void RHText_foundImage (HText * text, HTChildAnchor * anchor,
1210: const char *alt, const char * align, BOOL isMap)
1.2 frystyk 1211: {
1212: if (text && anchor) {
1.34 eric 1213: Finger * finger = (Finger *) HTRequest_context(text->request);
1214: Robot * mr = finger->robot;
1.75 frystyk 1215:
1.59 frystyk 1216: if (mr->flags & MR_IMG) {
1.60 frystyk 1217: HTAnchor * dest = HTAnchor_followMainLink((HTAnchor *) anchor);
1218: HTParentAnchor * dest_parent = HTAnchor_parent(dest);
1219: char * uri = HTAnchor_address((HTAnchor *) dest_parent);
1220: HyperDoc * hd = HTAnchor_document(dest_parent);
1221: HTParentAnchor * referer = HTRequest_anchor(text->request);
1.59 frystyk 1222: BOOL match = YES;
1223:
1.72 frystyk 1224: if (!uri) return;
1.59 frystyk 1225: if (hd) {
1.82 frystyk 1226: if (SHOW_QUIET(mr)) HTPrint("............ Already checked\n");
1.59 frystyk 1227: hd->hits++;
1.68 frystyk 1228: #ifdef HT_MYSQL
1229: if (mr->sqllog) {
1230: char * ref_addr = HTAnchor_address((HTAnchor *) referer);
1231: if (ref_addr) {
1232: HTSQLLog_addLinkRelationship(mr->sqllog,
1233: ref_addr, uri,
1234: "image", alt);
1235: HT_FREE(ref_addr);
1236: }
1237: }
1238: #endif
1.11 frystyk 1239: HT_FREE(uri);
1.59 frystyk 1240: return;
1.2 frystyk 1241: }
1.59 frystyk 1242:
1243: /* Check for prefix match */
1244: if (mr->img_prefix) match = HTStrMatch(mr->img_prefix, uri) ? YES : NO;
1245:
1.79 br334 1246: #ifdef HT_POSIX_REGEX
1247: /*
1248: ** Check for any regular expression. The include may override
1249: ** the prefix matching
1250: */
1251: if (mr->include) {
1252: match = regexec(mr->include, uri, 0, NULL, 0) ? NO : YES;
1253: }
1254: if (match && mr->exc_robot) {
1255: match = regexec(mr->exc_robot, uri, 0, NULL, 0) ? YES : NO;
1256: }
1257: if (match && mr->exclude) {
1258: match = regexec(mr->exclude, uri, 0, NULL, 0) ? YES : NO;
1259: }
1260: #endif
1.59 frystyk 1261: /* Test whether we already have a hyperdoc for this document */
1262: if (match && dest) {
1.60 frystyk 1263: Finger * newfinger = Finger_new(mr, dest_parent,
1.59 frystyk 1264: mr->flags & MR_SAVE ?
1265: METHOD_GET : METHOD_HEAD);
1266: HTRequest * newreq = newfinger->request;
1.60 frystyk 1267: HyperDoc_new(mr, dest_parent, 1);
1268: HTRequest_setParent(newreq, referer);
1269:
1270: /* Check whether we should report missing ALT tags */
1271: if (mr->noalttag && (alt==NULL || *alt=='\0')) {
1272: if (referer) {
1273: char * ref_addr = HTAnchor_address((HTAnchor *) referer);
1274: if (ref_addr) HTLog_addText(mr->noalttag, "%s --> %s\n", ref_addr, uri);
1275: HT_FREE(ref_addr);
1276: }
1277: }
1278:
1.82 frystyk 1279: if (SHOW_QUIET(mr)) HTPrint("Robot....... Checking Image `%s\'\n", uri);
1.59 frystyk 1280: if (HTLoadAnchor((HTAnchor *) dest, newreq) != YES) {
1.82 frystyk 1281: if (SHOW_QUIET(mr)) HTPrint("Robot....... Image not tested!\n");
1.59 frystyk 1282: Finger_delete(newfinger);
1283: }
1284: } else {
1.82 frystyk 1285: if (SHOW_QUIET(mr)) HTPrint("............ does not fulfill constraints\n");
1.68 frystyk 1286: #ifdef HT_MYSQL
1287: if (mr->reject || mr->sqllog) {
1288: #else
1.60 frystyk 1289: if (mr->reject) {
1.68 frystyk 1290: #endif
1.60 frystyk 1291: if (referer) {
1292: char * ref_addr = HTAnchor_address((HTAnchor *) referer);
1.68 frystyk 1293: if (mr->reject && ref_addr)
1294: HTLog_addText(mr->reject, "%s --> %s\n", ref_addr, uri);
1295: #ifdef HT_MYSQL
1296: if (mr->sqllog && mr->sqlexternals && ref_addr)
1297: HTSQLLog_addLinkRelationship(mr->sqllog,
1298: ref_addr, uri,
1299: "image", alt);
1300: #endif
1301:
1.60 frystyk 1302: HT_FREE(ref_addr);
1303: }
1304: }
1.1 frystyk 1305: }
1.59 frystyk 1306: HT_FREE(uri);
1.72 frystyk 1307: }
1308: }
1309: }
1310:
1.80 frystyk 1311: PRIVATE void RHText_foundLink (HText * text,
1312: int element_number, int attribute_number,
1313: HTChildAnchor * anchor,
1314: const BOOL * present, const char ** value)
1.72 frystyk 1315: {
1316: if (text && anchor) {
1317: Finger * finger = (Finger *) HTRequest_context(text->request);
1318: Robot * mr = finger->robot;
1319: if (SHOW_QUIET(mr))
1.82 frystyk 1320: HTPrint("Robot....... Received element %d, attribute %d with anchor %p\n",
1.80 frystyk 1321: element_number, attribute_number, anchor);
1322: if ((element_number==HTML_IMG && attribute_number==HTML_IMG_SRC) ||
1323: (element_number==HTML_BODY && attribute_number==HTML_BODY_BACKGROUND))
1324: RHText_foundImage(text, anchor, NULL, NULL, NO);
1325: else
1326: RHText_foundAnchor(text, anchor);
1.72 frystyk 1327: }
1328: }
1329:
1.80 frystyk 1330: PUBLIC char * get_robots_txt(char * uri)
1.48 frystyk 1331: {
1.75 frystyk 1332: char *str = NULL;
1333: HTChunk * chunk;
1334: HTParentAnchor *anchor = HTAnchor_parent(HTAnchor_findAddress(uri));
1335: HTRequest *request = HTRequest_new();
1336: HTRequest_setOutputFormat(request, WWW_SOURCE);
1337: HTRequest_setPreemptive(request, YES);
1338: HTRequest_setMethod(request, METHOD_GET);
1339: chunk = HTLoadAnchorToChunk ((HTAnchor *)anchor, request);
1340: str = HTChunk_toCString(chunk);
1341: HTRequest_delete(request);
1342: return str;
1.48 frystyk 1343: }
1344:
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