Annotation of Amaya/amaya/query.c, revision 1.237
1.14 cvs 1: /*
2: *
3: * (c) COPYRIGHT MIT and INRIA, 1996.
4: * Please first read the full copyright statement in file COPYRIGHT.
1.156 cvs 5: *
1.14 cvs 6: */
1.4 cvs 7:
1.19 cvs 8: /*
1.83 cvs 9: * query.c : contains all the functions for requesting and publishing
1.19 cvs 10: * URLs via libwww. It handles any eventual HTTP error code
11: * (redirection, authentication needed, not found, etc.)
12: *
1.69 cvs 13: * Author: J. Kahan
1.92 cvs 14: * J. Kahan/R. Guetari Windows 95/NT routines
1.19 cvs 15: */
1.17 cvs 16:
1.44 cvs 17: #ifndef AMAYA_JAVA
18:
1.116 cvs 19: /* defines to include elsewhere
20: *********************************/
21:
1.185 cvs 22: #ifdef _WINDOWS
23: #include <string.h>
1.130 cvs 24: #endif /* !_WINDOWS */
1.116 cvs 25: #define AMAYA_WWW_CACHE
1.168 cvs 26: #define AMAYA_LOST_UPDATE
1.116 cvs 27:
1.223 cvs 28: #ifdef _WINDOWS
1.233 cvs 29: # define CACHE_DIR_NAME TEXT("\\libwww-cache\\")
1.223 cvs 30: #else
1.233 cvs 31: # define CACHE_DIR_NAME TEXT("/libwww-cache/")
1.223 cvs 32: #endif
1.198 cvs 33:
1.216 cvs 34: /* libwww default parameters */
1.176 cvs 35: #define DEFAULT_CACHE_SIZE 10
36: #define DEFAULT_MAX_CACHE_ENTRY_SIZE 3
1.177 cvs 37: #define DEFAULT_MAX_SOCKET 32
1.176 cvs 38: #define DEFAULT_DNS_TIMEOUT 1800L
1.151 cvs 39: #define DEFAULT_PERSIST_TIMEOUT 60L
1.165 cvs 40: #define DEFAULT_NET_EVENT_TIMEOUT 60000
1.216 cvs 41: /* defines the priority for image content negotiation */
42: #define IMAGE_ACCEPT_NEGOTIATION "*/*;q=0.1,image/*,image/gif,image/jpeg,image/png"
1.116 cvs 43:
1.12 cvs 44: /* Amaya includes */
1.25 cvs 45: #define THOT_EXPORT extern
1.4 cvs 46: #include "amaya.h"
1.214 cvs 47: #include "init_f.h"
1.130 cvs 48: #include <sys/types.h>
1.70 cvs 49: #include <fcntl.h>
1.140 cvs 50: #include "HTEvtLst.h"
1.157 cvs 51: #include "HTAABrow.h"
1.223 cvs 52: #include "ustring.h"
1.7 cvs 53:
1.141 cvs 54: #if defined(__svr4__) || defined (_AIX)
1.4 cvs 55: #define CATCH_SIG
56: #endif
57:
58: /* local structures coming from libwww and which are
1.17 cvs 59: not found in any .h file
1.7 cvs 60: */
1.68 cvs 61:
1.7 cvs 62: struct _HTStream
63: {
1.15 cvs 64: const HTStreamClass *isa;
65: FILE *fp;
1.45 cvs 66: BOOL leave_open; /* Close file when TtaFreeMemory? */
1.15 cvs 67: char *end_command; /* Command to execute */
68: BOOL remove_on_close; /* Remove file? */
69: char *filename; /* Name of file */
70: HTRequest *request; /* saved for callback */
71: HTRequestCallback *callback;
1.7 cvs 72: };
73:
1.15 cvs 74:
1.7 cvs 75: struct _HTError
76: {
77: HTErrorElement element; /* Index number into HTError */
78: HTSeverity severity; /* A la VMS */
79: BOOL ignore; /* YES if msg should not go to user */
80: void *par; /* Explanation, e.g. filename */
81: int length; /* For copying by generic routine */
82: char *where; /* Which function */
83: };
84:
1.4 cvs 85: /* Type definitions and global variables etc. local to this module */
86:
1.17 cvs 87: /*----------------------------------------------------------------------*/
88:
1.4 cvs 89: /*** private variables ***/
1.17 cvs 90:
1.4 cvs 91: static HTList *converters = NULL; /* List of global converters */
1.27 cvs 92: static HTList *acceptTypes = NULL; /* List of types for the Accept header */
1.193 cvs 93: static HTList *acceptLanguages = NULL; /* List of language priorities for the Accept header */
1.151 cvs 94: static HTList *transfer_encodings = NULL;
95: static HTList *content_encodings = NULL;
1.207 cvs 96: /* List of domains where we can do a safe PUT redirect */
97: static HTList *safeput_list = NULL;
98:
1.16 cvs 99: static int object_counter = 0; /* loaded objects counter */
1.191 cvs 100: static ThotBool AmayaAlive_flag; /* set to 1 if the application is active;
1.140 cvs 101: 0 if we have killed */
1.191 cvs 102: static ThotBool CanDoStop_flag; /* set to 1 if we can do a stop, 0
1.140 cvs 103: if we're inside a critical section */
1.214 cvs 104: static ThotBool UserAborted_flag; /* set to 1 if we're processing a user
105: induced stop request operation */
1.128 cvs 106: #ifdef AMAYA_WWW_CACHE
1.130 cvs 107: static int fd_cachelock; /* open handle to the .lock cache file */
108: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 109:
1.15 cvs 110: #include "answer_f.h"
111: #include "query_f.h"
112: #include "AHTURLTools_f.h"
113: #include "AHTBridge_f.h"
114: #include "AHTMemConv_f.h"
115: #include "AHTFWrite_f.h"
1.4 cvs 116:
1.116 cvs 117: /* prototypes */
118:
119: #ifdef __STDC__
1.233 cvs 120: static void RecCleanCache (CHAR_T* dirname);
1.123 cvs 121: #ifdef _WINDOWS
1.70 cvs 122: int WIN_Activate_Request (HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar*);
1.116 cvs 123: #endif /* _WINDOWS */
1.207 cvs 124: static void SafePut_init (void);
125: static void SafePut_delete (void);
1.235 cvs 126: static ThotBool SafePut_query (CHAR_T* url);
1.207 cvs 127:
1.70 cvs 128: #else
1.128 cvs 129: static void RecCleanCache (/* char *dirname */);
1.123 cvs 130: #ifdef _WINDOWS
1.128 cvs 131: int WIN_Activate_Request (/* HTRequest* , HTAlertOpcode, int, const char*, void*, HTAlertPar* */);
1.116 cvs 132: #endif /* _WINDOWS */
1.207 cvs 133: static void SafePut_init (/* void */);
134: static void SafePut_delete (/* void */);
1.235 cvs 135: static ThotBool SafePut_query (/* CHAR_T* url */);
1.70 cvs 136: #endif /* __STDC__ */
1.116 cvs 137:
1.15 cvs 138:
1.130 cvs 139: #ifdef AMAYA_WWW_CACHE
140: /***************************************************************
141: lock functions, used to avoid concurrent use of the cache
142: Mostly based on W. Richard Stevens' APUE book.
143: ***************************************************************/
144: /*----------------------------------------------------------------------
145: set_cachelock
146: sets a write lock on filename.
147: Returns -1 in case of failure, otherwise, it'll open a handle on
148: filename and fd_cachelock will take its value.
149: ----------------------------------------------------------------------*/
150: #ifdef __STDC__
1.233 cvs 151: static int set_cachelock (CHAR_T* filename)
1.130 cvs 152: #else
153: static int set_cachelock (filename)
1.223 cvs 154: CharUniut* filename;
1.130 cvs 155: #endif /* __STDC__ */
156: {
1.188 cvs 157: int status;
1.130 cvs 158: #ifdef _WINDOWS
1.188 cvs 159:
160: status = TtaFileExist (filename);
161: return ((status) ? 0 : -1);
1.130 cvs 162: #else
163: struct flock lock;
164:
165: lock.l_type = F_WRLCK;
166: lock.l_start = 0;
167: lock.l_whence = SEEK_SET;
168: lock.l_len = 0;
169:
170: fd_cachelock = open (filename, O_WRONLY);
171:
172: if (fd_cachelock == -1)
173: status = -1;
174: else
175: status = fcntl(fd_cachelock, F_SETLK, &lock);
176:
177: if (status == -1)
1.190 cvs 178: {
1.179 cvs 179: if (fd_cachelock > 0)
1.190 cvs 180: close (fd_cachelock);
1.179 cvs 181: fd_cachelock = 0;
1.178 cvs 182: }
1.130 cvs 183: return (status);
184: #endif /* _WINDOWS */
185: }
186:
187: /*----------------------------------------------------------------------
188: clear_cachelock
189: remove the write lock set on a filename.
190: It'll close the fd handle on filename and reset *fd to 0.
191: ----------------------------------------------------------------------*/
192: #ifdef __STDC__
193: static int clear_cachelock (void)
194: #else
195: static int clear_cachelock ()
196: int *fd;
197: #endif /* __STDC__ */
198: {
199: #ifdef _WINDOWS
200: return 0;
201: #else
202: int status;
203:
1.178 cvs 204: if (!fd_cachelock)
1.130 cvs 205: return (-1);
206:
1.178 cvs 207: status = close (fd_cachelock);
1.130 cvs 208: fd_cachelock = 0;
209:
210: return (status);
211: #endif /* _WINDOWS */
212: }
213:
214: /*----------------------------------------------------------------------
215: test_cachelock
216: returns 0 if a fd is not locked by other process, otherwise
217: returns the pid of the process who has the lock
218: ----------------------------------------------------------------------*/
219: #ifdef __STDC__
1.233 cvs 220: static int test_cachelock (CHAR_T* filename)
1.130 cvs 221: #else
222: static int test_cachelock (filename)
1.233 cvs 223: CHAR_T* filename;
1.198 cvs 224: #endif /* __STDC__ */
1.130 cvs 225: {
226: #ifdef _WINDOWS
1.185 cvs 227: /* if the lock is set, we can't unlink the file under Windows */
1.188 cvs 228: if (!TtaFileUnlink (filename))
229: return 0;
230: else
1.185 cvs 231: return -1;
1.130 cvs 232: #else
233: struct flock lock;
234: int fd, status;
235:
236: lock.l_type = F_WRLCK;
237: lock.l_start = 0;
238: lock.l_whence = SEEK_SET;
239: lock.l_len = 0;
240:
241: fd = open (filename, O_WRONLY);
242:
243: if (fd < 0)
244: return (-1);
245: /* is this file locked ? */
246: status = fcntl (fd, F_GETLK, &lock);
247: close (fd);
248:
249: if (status < 0)
250: return (-1);
251:
252: if (lock.l_type == F_UNLCK)
253: return (0); /* false, region is not locked by another proc */
254: return (lock.l_pid); /* true, return pid of lock owner */
255: #endif /* _WINDOWS */
256: }
257:
258: #endif /* AMAYA_WWW_CACHE */
259:
1.15 cvs 260: /*----------------------------------------------------------------------
1.17 cvs 261: GetDocIdStatus
262: gets the status associated to a docid
1.15 cvs 263: ----------------------------------------------------------------------*/
264: #ifdef __STDC__
265: AHTDocId_Status *GetDocIdStatus (int docid, HTList * documents)
266: #else
267: AHTDocID_Status *GetDocIdStatus (docid, documents)
268: int docid;
269: HTList *documents;
270:
271: #endif
272: {
273: AHTDocId_Status *me;
274: HTList *cur;
275:
276: if (documents)
277: {
278: cur = documents;
279:
280: while ((me = (AHTDocId_Status *) HTList_nextObject (cur)))
281: {
282: if (me->docid == docid)
283: return (me);
1.18 cvs 284: }
285: }
1.15 cvs 286: return (AHTDocId_Status *) NULL;
287:
288: }
289:
1.5 cvs 290: /*----------------------------------------------------------------------
1.27 cvs 291: AHTGuessAtom_for
292: Converts an Amaya type descriptor into the equivalent MIME type.
293: ----------------------------------------------------------------------*/
294: #ifdef __STDC__
1.198 cvs 295: static HTAtom *AHTGuessAtom_for (STRING urlName, PicType contentType)
1.27 cvs 296: #else
297: static HTAtom *AHTGuessAtom_for (urlName, contentType)
1.198 cvs 298: STRING urlName;
1.27 cvs 299: PicType contentType;
300: #endif
301: {
302: HTAtom *atom;
1.235 cvs 303: CHAR_T* filename;
1.160 cvs 304: HTEncoding enc = NULL;
305: HTEncoding cte = NULL;
306: HTLanguage lang = NULL;
1.50 cvs 307: double quality = 1.0;
1.235 cvs 308: char FName[MAX_LENGTH];
1.27 cvs 309:
310: switch (contentType)
311: {
312: case xbm_type:
313: atom = HTAtom_for("image/xbm");
314: break;
315: case eps_type:
1.35 cvs 316: atom = HTAtom_for("application/postscript");
1.27 cvs 317: break;
318: case xpm_type:
319: atom = HTAtom_for("image/xpm");
320: break;
321: case gif_type:
322: atom = HTAtom_for("image/gif");
323: break;
324: case jpeg_type:
325: atom = HTAtom_for("image/jpeg");
326: break;
327: case png_type:
328: atom = HTAtom_for("image/png");
329: break;
330: case unknown_type:
331: default:
332: /*
333: ** Amaya could not detect the type, so
334: ** we try to use the filename's suffix to do so.
335: */
1.233 cvs 336: filename = AmayaParseUrl (urlName, TEXT(""), AMAYA_PARSE_PATH | AMAYA_PARSE_PUNCTUATION);
1.235 cvs 337: wc2iso_strcpy (FName, filename);
338: HTBind_getFormat (FName, &atom, &enc, &cte, &lang, &quality);
1.45 cvs 339: TtaFreeMemory (filename);
1.27 cvs 340: if (atom == WWW_UNKNOWN)
341: /*
342: ** we could not identify the suffix, so we assign it
343: ** a default type
344: */
345: atom = HTAtom_for ("text/html");
346: break;
347: }
1.235 cvs 348:
1.27 cvs 349: return atom;
350: }
351:
352: /*----------------------------------------------------------------------
1.17 cvs 353: AHTReqContext_new
354: create a new Amaya Context Object and update the global Amaya
355: request status.
1.5 cvs 356: ----------------------------------------------------------------------*/
1.4 cvs 357: #ifdef __STDC__
358: static AHTReqContext *AHTReqContext_new (int docid)
359: #else
360: static AHTReqContext *AHTReqContext_new (docid)
361: int docid;
362:
363: #endif
364: {
365: AHTReqContext *me;
366: AHTDocId_Status *docid_status;
367:
368: if ((me = (AHTReqContext *) TtaGetMemory (sizeof (AHTReqContext))) == NULL)
1.116 cvs 369: outofmem (__FILE__, "AHTReqContext_new");
370:
371: /* clear the structure */
372: memset ((void *) me, 0, sizeof (AHTReqContext));
1.4 cvs 373:
1.81 cvs 374: /* Bind the Context object together with the Request Object */
375: me->request = HTRequest_new ();
376:
1.80 cvs 377: /* clean the associated file structure) */
1.79 cvs 378: HTRequest_setOutputStream (me->request, NULL);
1.81 cvs 379:
1.4 cvs 380: /* Initialize the other members of the structure */
1.17 cvs 381: me->reqStatus = HT_NEW; /* initial status of a request */
1.4 cvs 382: me->docid = docid;
383: HTRequest_setMethod (me->request, METHOD_GET);
384: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
385: HTRequest_setContext (me->request, me);
1.116 cvs 386:
1.36 cvs 387: /* experimental */
388: me->read_sock = INVSOC;
389: me->write_sock = INVSOC;
390: me->except_sock = INVSOC;
1.4 cvs 391:
392: /* Update the global context */
393: HTList_appendObject (Amaya->reqlist, (void *) me);
394:
395: docid_status = GetDocIdStatus (docid, Amaya->docid_status);
396:
1.7 cvs 397: if (docid_status == NULL)
398: {
1.116 cvs 399: docid_status = (AHTDocId_Status *)
400: TtaGetMemory (sizeof (AHTDocId_Status));
1.7 cvs 401: docid_status->docid = docid;
402: docid_status->counter = 1;
403: HTList_addObject (Amaya->docid_status, (void *) docid_status);
404: }
405: else
1.4 cvs 406: docid_status->counter++;
407:
408: Amaya->open_requests++;
409:
1.74 cvs 410: #ifdef DEBUG_LIBWWW
411: fprintf (stderr, "AHTReqContext_new: Created object %p\n", me);
412: #endif
1.116 cvs 413:
1.4 cvs 414: return me;
415: }
416:
1.5 cvs 417: /*----------------------------------------------------------------------
1.17 cvs 418: AHTReqContext_delete
419: Delete an Amaya Context Object and update the global Amaya request
420: status.
1.5 cvs 421: ----------------------------------------------------------------------*/
1.4 cvs 422:
423: #ifdef __STDC__
1.191 cvs 424: ThotBool AHTReqContext_delete (AHTReqContext * me)
1.4 cvs 425: #else
1.191 cvs 426: ThotBool AHTReqContext_delete (me)
1.4 cvs 427: AHTReqContext *me;
428:
429: #endif
430: {
431: AHTDocId_Status *docid_status;
432:
1.7 cvs 433: if (me)
434: {
1.74 cvs 435: #ifdef DEBUG_LIBWWW
1.138 cvs 436: fprintf (stderr, "AHTReqContext_delete: Deleting object %p\n", me);
1.74 cvs 437: #endif
1.138 cvs 438: if (Amaya->reqlist)
439: HTList_removeObject (Amaya->reqlist, (void *) me);
440:
441: docid_status = GetDocIdStatus (me->docid, Amaya->docid_status);
442: if (docid_status)
443: {
444: docid_status->counter--;
445:
446: if (docid_status->counter == 0)
447: {
448: HTList_removeObject (Amaya->docid_status, (void *) docid_status);
449: TtaFreeMemory ((void *) docid_status);
450: }
451: }
1.215 cvs 452:
453: HTNoFreeStream_delete (HTRequest_outputStream (me->request));
454: HTRequest_setOutputStream (me->request, NULL);
1.190 cvs 455: /* JK: no longer needed in libwww 5.2.3
456: if (me->method != METHOD_PUT && HTRequest_outputStream (me->request))
457: AHTFWriter_FREE (HTRequest_outputStream (me->request));
458: */
1.138 cvs 459: HTRequest_delete (me->request);
460:
461: if (me->output && me->output != stdout)
462: {
1.85 cvs 463: #ifdef DEBUG_LIBWWW
1.138 cvs 464: fprintf (stderr, "AHTReqContext_delete: URL is %s, closing "
465: "FILE %p\n", me->urlName, me->output);
1.85 cvs 466: #endif
1.138 cvs 467: fclose (me->output);
468: me->output = NULL;
469: }
1.79 cvs 470:
1.138 cvs 471: if (me->error_stream != (char *) NULL)
472: HT_FREE (me->error_stream);
473: #ifndef _WINDOWS
474: #ifdef WWW_XWINDOWS
475: if (me->read_xtinput_id || me->write_xtinput_id ||
476: me->except_xtinput_id)
477: RequestKillAllXtevents(me);
478: #endif /* WWW_XWINDOWS */
479: #endif /* !_WINDOWS */
480:
481: if (me->reqStatus == HT_ABORT)
482: {
483: if (me->outputfile && me->outputfile[0] != EOS)
484: {
1.233 cvs 485: TtaFileUnlink (me->outputfile);
1.138 cvs 486: me->outputfile[0] = EOS;
487: }
488: }
489:
490: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC))
491: /* for the ASYNC mode, free the memory we allocated in GetObjectWWW
492: or in PutObjectWWW */
493: {
494: if (me->urlName)
495: TtaFreeMemory (me->urlName);
496: if (me->outputfile)
497: TtaFreeMemory (me->outputfile);
498: }
1.206 cvs 499:
1.208 cvs 500: /* the real name to which we are publishing */
501: if (me->default_put_name)
502: TtaFreeMemory (me->default_put_name);
503:
1.206 cvs 504: /* @@ temp change for the %esc conversion */
505: if (me->method == METHOD_PUT && me->urlName)
506: TtaFreeMemory (me->urlName);
507:
1.138 cvs 508: if (me->content_type)
509: TtaFreeMemory (me->content_type);
510:
511: if (me->formdata)
512: HTAssocList_delete (me->formdata);
513:
1.228 cvs 514: #ifdef ANNOTATIONS
515: if (me->document)
516: TtaFreeMemory (me->document);
517: #endif /* ANNOTATIONS */
518:
1.138 cvs 519: /* to trace bugs */
520: memset ((void *) me, 0, sizeof (AHTReqContext));
521:
522: TtaFreeMemory ((void *) me);
523:
524: Amaya->open_requests--;
525:
526: return TRUE;
1.7 cvs 527: }
1.15 cvs 528: return FALSE;
1.4 cvs 529: }
530:
531:
1.15 cvs 532: /*----------------------------------------------------------------------
1.17 cvs 533: Thread_deleteAll
534: this function deletes the whole list of active threads.
1.5 cvs 535: ----------------------------------------------------------------------*/
1.4 cvs 536: #ifdef __STDC__
537: static void Thread_deleteAll (void)
538: #else
539: static void Thread_deleteAll ()
540: #endif
541: {
1.21 cvs 542: HTList *cur;
543: AHTReqContext *me;
544: AHTDocId_Status *docid_status;
545:
1.74 cvs 546: if (Amaya && Amaya->reqlist)
547: {
548: if (Amaya->open_requests > 0)
549: #ifdef DEBUG_LIBWWW
550: fprintf (stderr, "Thread_deleteAll: Killing %d outstanding "
551: "requests\n", Amaya->open_requests);
552: #endif
553: {
554: cur = Amaya->reqlist;
555:
556: /* erase the requests */
557: while ((me = (AHTReqContext *) HTList_removeLastObject (cur)))
558: {
559: if (me->request)
560: {
1.142 cvs 561: #ifndef _WINDOWS
562: #ifdef WWW_XWINDOWS
1.74 cvs 563: RequestKillAllXtevents (me);
1.142 cvs 564: #endif /* WWW_XWINDOWS */
1.138 cvs 565: #endif /* !_WINDOWS */
1.140 cvs 566: if (!HTRequest_kill (me->request))
567: AHTReqContext_delete (me);
1.74 cvs 568: }
569: } /* while */
570:
571: /* erase the docid_status entities */
572: while ((docid_status = (AHTDocId_Status *) HTList_removeLastObject ((void *) Amaya->docid_status)))
573: TtaFreeMemory ((void *) docid_status);
574:
575: } /* if */
1.84 cvs 576:
1.74 cvs 577: }
1.4 cvs 578: }
1.198 cvs 579:
1.5 cvs 580: /*----------------------------------------------------------------------
1.83 cvs 581: AHTOpen_file
582: ----------------------------------------------------------------------*/
583: #ifdef __STDC__
1.85 cvs 584: int AHTOpen_file (HTRequest * request)
1.83 cvs 585: #else
1.85 cvs 586: int AHTOpen_file (request)
1.83 cvs 587: HTRequest *request;
588:
589: #endif /* __STDC__ */
590: {
591: AHTReqContext *me; /* current request */
592:
593: me = HTRequest_context (request);
594:
1.93 cvs 595: if (!me)
596: return HT_ERROR;
597:
1.83 cvs 598: #ifdef DEBUG_LIBWWW
1.116 cvs 599: fprintf(stderr, "AHTOpen_file: start for object : %p\n", me);
1.85 cvs 600: #endif /* DEBUG_LIBWWW */
601:
602: if (me->reqStatus == HT_ABORT)
603: {
604: #ifdef DEBUG_LIBWWW
605: fprintf(stderr, "AHTOpen_file: caught an abort request, skipping it\n");
1.83 cvs 606: #endif /* DEBUG_LIBWWW */
607:
1.85 cvs 608: return HT_OK;
609: }
610:
1.136 cvs 611: if (me->method == METHOD_PUT)
612: {
613: me->reqStatus = HT_WAITING;
614: return HT_OK;
615: }
616:
1.85 cvs 617: if (HTRequest_outputStream (me->request))
618: {
619:
620: #ifdef DEBUG_LIBWWW
621: fprintf(stderr, "AHTOpen_file: output stream already existed for url %s\n", me->urlName);
622: #endif /* DEBUG_LIBWWW */
623: return HT_OK;
624: }
625:
626: #ifdef DEBUG_LIBWWW
627: fprintf(stderr, "AHTOpen_file: opening output stream for url %s\n", me->urlName);
628: #endif /* DEBUG_LIBWWW */
629:
1.83 cvs 630: if (!(me->output) &&
631: (me->output != stdout) &&
632: #ifndef _WINDOWS
1.235 cvs 633: (me->output = ufopen (me->outputfile, TEXT("w"))) == NULL)
1.83 cvs 634: {
1.116 cvs 635: #else /* !_WINDOWS */
1.235 cvs 636: (me->output = ufopen (me->outputfile, TEXT("wb"))) == NULL)
1.83 cvs 637: {
638: #endif /* !_WINDOWS */
639:
1.131 cvs 640: me->outputfile[0] = EOS; /* file could not be opened */
1.85 cvs 641: #ifdef DEBUG_LIBWWW
642: fprintf(stderr, "AHTOpen_file: couldn't open output stream for url %s\n", me->urlName);
643: #endif
1.233 cvs 644: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_CREATE_FILE), me->outputfile);
1.83 cvs 645: me->reqStatus = HT_ERR;
646: return (HT_ERROR);
647: }
648:
649: HTRequest_setOutputStream (me->request,
650: AHTFWriter_new (me->request,
651: me->output, YES));
652: me->reqStatus = HT_WAITING;
653:
654: return HT_OK;
655: }
656:
657: /*----------------------------------------------------------------------
1.17 cvs 658: redirection_handler
659: this function is registered to handle permanent and temporary
660: redirections.
661: ----------------------------------------------------------------------*/
1.4 cvs 662: #ifdef __STDC__
1.7 cvs 663: static int redirection_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 664: #else
665: static int redirection_handler (request, context, status)
666: HTRequest *request;
667: HTResponse *response;
668: void *param;
669: int status;
670:
671: #endif
672: {
1.235 cvs 673:
1.4 cvs 674: HTAnchor *new_anchor = HTResponse_redirection (response);
1.7 cvs 675: AHTReqContext *me = HTRequest_context (request);
1.4 cvs 676: HTMethod method = HTRequest_method (request);
1.235 cvs 677: CHAR_T* ref;
678: CHAR_T* escape_src, *dst;
679: CHAR_T urlAdr[MAX_LENGTH];
680: char urlRef[MAX_LENGTH];
681:
682: if (!me) /* if the redirect doesn't come from Amaya, we call libwww's standard redirect filter */
683: return (HTRedirectFilter (request, response, param, status));
684:
685: if (!new_anchor) {
686: if (PROT_TRACE)
687: HTTrace ("Redirection. No destination\n");
688: return HT_OK;
689: }
1.4 cvs 690:
691: /*
1.207 cvs 692: ** Only do redirect on GET, HEAD, and authorized domains for PUT
1.4 cvs 693: */
1.235 cvs 694: if ((me->method == METHOD_PUT && !SafePut_query (me->urlName)) || (me->method != METHOD_PUT && !HTMethod_isSafe (method))) {
695: /*
696: ** If we got a 303 See Other then change the method to GET.
697: ** Otherwise ask the user whether we should continue.
698: */
699: if (status == HT_SEE_OTHER) {
700: if (PROT_TRACE)
701: HTTrace("Redirection. Changing method from %s to GET\n", HTMethod_name(method));
702: HTRequest_setMethod(request, METHOD_GET);
703: } else {
704: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
705: if (prompt) {
706: if ((*prompt) (request, HT_A_CONFIRM, HT_MSG_REDIRECTION, NULL, NULL, NULL) != YES)
707: /* @@@ should it be HT_ERROR ? */
708: return HT_ERROR;
709: }
710: }
711: }
1.4 cvs 712: /*
713: ** Start new request with the redirect anchor found in the headers.
714: ** Note that we reuse the same request object which means that we must
715: ** keep this around until the redirected request has terminated. It also
716: ** allows us in an easy way to keep track of the number of redirections
717: ** so that we can detect endless loops.
718: */
1.166 cvs 719:
1.235 cvs 720: if (HTRequest_doRetry (request)) {
721: /*
722: ** Start request with new credentials
723: */
724: /* only do a redirect using a network protocol understood by Amaya */
725: iso2wc_strcpy (urlAdr, new_anchor->parent->address);
726: if (IsValidProtocol (urlAdr)) {
727: /* if it's a valid URL, we try to normalize it */
728: /* We use the pre-redirection anchor as a base name */
729: /* @@ how to obtain this address here? */
730: dst = urlAdr;
731: escape_src = EscapeURL (me->urlName);
732: if (escape_src) {
733: ref = AmayaParseUrl (dst, escape_src, AMAYA_PARSE_ALL);
734: wc2iso_strcpy (urlRef, ref);
735: TtaFreeMemory (escape_src);
736: } else
737: ref = NULL;
738:
739: if (ref) {
740: HTAnchor_setPhysical (HTAnchor_parent (new_anchor), urlRef);
741: TtaFreeMemory (ref);
742: } else
743: return HT_OK; /* We can't redirect anymore */
744: } else
745: return HT_OK; /* We can't redirect anymore */
746:
747: /* update the current file name */
748: if ((me->mode & AMAYA_ASYNC) || (me->mode & AMAYA_IASYNC) || (me->method == METHOD_PUT)) {
749: TtaFreeMemory (me->urlName);
750: me->urlName = TtaWCSdup (urlAdr);
751: } else {
752: /* it's a SYNC mode, so we should keep the urlName */
753: ustrncpy (me->urlName, urlAdr, MAX_LENGTH - 1);
754: me->urlName[MAX_LENGTH - 1] = EOS;
1.7 cvs 755: }
1.235 cvs 756: ChopURL (me->status_urlName, me->urlName);
1.7 cvs 757:
1.235 cvs 758: /* @@ verify if this is important */
759: /* @@@ new libwww doesn't need this free stream while making
760: a PUT. Is it the case everywhere or just for PUT? */
761: if (me->method != METHOD_PUT && me->request->orig_output_stream != NULL) {
762: AHTFWriter_FREE (me->request->orig_output_stream);
763: me->request->orig_output_stream = NULL;
764: if (me->output != stdout) { /* Are we writing to a file? */
765: # ifdef DEBUG_LIBWWW
766: fprintf (stderr, "redirection_handler: New URL is %s, closing FILE %p\n", me->urlName, me->output);
767: # endif
768: fclose (me->output);
769: me->output = NULL;
770: }
1.7 cvs 771: }
1.116 cvs 772:
1.235 cvs 773: /* tell the user what we're doing */
774: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_RED_FETCHING), me->status_urlName);
775: /*
776: ** launch the request
777: */
778: /* add a link relationship? */
779: /* reset the request status */
780: me->reqStatus = HT_NEW;
781: /* clear the errors */
782: HTError_deleteAll (HTRequest_error (request));
783: HTRequest_setError (request, NULL);
784: /* clear the authentication credentials, as they get regenerated */
785: HTRequest_deleteCredentialsAll (request);
1.174 cvs 786:
1.235 cvs 787: if (me->method == METHOD_POST || me->method == METHOD_PUT) { /* PUT, POST etc. */
788: char url_Name[MAX_LENGTH];
789: wc2iso_strcpy (url_Name, me->urlName);
790: status = HTLoadAbsolute (url_Name, request);
791: } else
792: HTLoadAnchor (new_anchor, request);
793: } else {
794: HTRequest_addError (request, ERR_FATAL, NO, HTERR_MAX_REDIRECT, NULL, 0, "HTRedirectFilter");
795: /* so that we can show the error message */
796: if (me->error_html)
797: DocNetworkStatus[me->docid] |= AMAYA_NET_ERROR;
798: me->reqStatus = HT_ERR;
799: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REDIRECTIONS_LIMIT), NULL);
800: }
1.68 cvs 801:
1.4 cvs 802: /*
1.74 cvs 803: ** By returning HT_ERROR we make sure that this is the last handler to be
804: ** called. We do this as we don't want any other filter to delete the
805: ** request object now when we have just started a new one ourselves
806: */
1.4 cvs 807: return HT_ERROR;
808: }
809:
1.151 cvs 810: #ifdef AMAYA_LOST_UPDATE
811: /*----------------------------------------------------------------------
812: precondition_handler
813: 412 "Precondition failed" handler
814: ----------------------------------------------------------------------*/
815: #if __STDC__
816: static int precondition_handler (HTRequest * request, HTResponse * response, void *context, int status)
817: #else
818: static int precondition_handler (request, response, context, status)
819: HTRequest *request;
820: HTResponse *response;
821: void *context;
822: int status;
823: #endif /* __STDC__ */
824: {
1.168 cvs 825: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
826: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 827: ThotBool force_put;
1.151 cvs 828:
829: if (!me)
830: return HT_OK; /* not an Amaya request */
831:
1.168 cvs 832: if (prompt)
833: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_RULES,
834: NULL, NULL, NULL);
835: else
836: force_put = NO;
837:
838: if (force_put)
839: {
840: /* start a new PUT request without preconditions */
841: /* @@ do we need to kill the request? */
842: if (me->output && me->output != stdout)
843: {
844: fclose (me->output);
845: me->output = NULL;
846: }
847: /*
848: ** reset the Amaya and libwww request status
849: */
1.176 cvs 850:
851: /* start with a new, clean request structure */
852: HTRequest_delete (me->request);
853: me->request = HTRequest_new ();
854: /* clean the associated file structure) */
855: HTRequest_setOutputStream (me->request, NULL);
856: /* Initialize the other members of the structure */
1.171 cvs 857: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 858: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
859: HTRequest_setContext (me->request, me);
860: HTRequest_setPreemptive (me->request, NO);
861: /*
862: ** Make sure that the first request is flushed immediately and not
863: ** buffered in the output buffer
864: */
865: if (me->mode & AMAYA_FLUSH_REQUEST)
866: HTRequest_setFlush(me->request, YES);
867:
1.171 cvs 868: /* turn off preconditions */
869: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
870: me->reqStatus = HT_NEW;
871: /* make the request */
1.176 cvs 872: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
873: me->dest, me->request);
1.168 cvs 874: /* stop here */
875: return HT_ERROR;
876: }
877: else
878: {
879: /* abort the request */
880: /* @@ should we call StopRequest here? */
881: me->reqStatus = HT_ABORT;
882: /* stop here */
883: return HT_ERROR;
884: }
885: }
1.151 cvs 886:
1.168 cvs 887: /*----------------------------------------------------------------------
888: check_handler
889: Request HEAD checker filter
890: ----------------------------------------------------------------------*/
891: static int check_handler (HTRequest * request, HTResponse * response,
1.151 cvs 892: void * param, int status)
893: {
1.168 cvs 894: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
895: HTAlertCallback *prompt = HTAlert_find (HT_A_CONFIRM);
1.191 cvs 896: ThotBool force_put;
1.168 cvs 897:
898: if (!me)
899: return HT_OK; /* not an Amaya request */
900:
901: HTRequest_deleteAfter(me->request, check_handler);
902: /*
903: ** If head request showed that the document doesn't exist
904: ** then just go ahead and PUT it. Otherwise ask for help
905: */
906: if (status == HT_ERROR || status == HT_INTERRUPTED || status == HT_TIMEOUT)
907: {
908: /* we'd need to call terminate_handler, to free the resources */
909: /* abort the request */
910: /* @@ should we call StopRequest here? */
911: me->reqStatus = HT_ABORT;
912: /* stop here */
913: return HT_ERROR;
914: }
915: else if (status == HT_NO_ACCESS || status == HT_NO_PROXY_ACCESS)
916: {
917: /* we'd need to call terminate_handler, to free the resources */
918: /* abort the request */
919: /* @@ should we call StopRequest here? */
920: me->reqStatus = HT_ABORT;
921: /* stop here */
922: return HT_ERROR;
923: }
924: else if ( (abs(status)/100) != 2)
925: {
1.176 cvs 926: /* start with a new, clean request structure */
927: HTRequest_delete (me->request);
928: me->request = HTRequest_new ();
1.208 cvs 929: /* add the default PUT name */
930: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 931: /* clean the associated file structure) */
932: HTRequest_setOutputStream (me->request, NULL);
933: /* Initialize the other members of the structure */
1.171 cvs 934: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 935: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
936: HTRequest_setContext (me->request, me);
937: HTRequest_setPreemptive (me->request, NO);
938: /*
939: ** Make sure that the first request is flushed immediately and not
940: ** buffered in the output buffer
941: */
942: if (me->mode & AMAYA_FLUSH_REQUEST)
943: HTRequest_setFlush(me->request, YES);
944:
945: /* turn on the special preconditions, to avoid having this
946: ressource appear before we do the PUT */
1.168 cvs 947: HTRequest_setPreconditions(me->request, HT_DONT_MATCH_ANY);
1.171 cvs 948: me->reqStatus = HT_NEW;
1.168 cvs 949: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
950: return HT_ERROR; /* stop here */
1.176 cvs 951: }
1.168 cvs 952: else
953: {
954: if (prompt)
955: force_put = (*prompt) (request, HT_A_CONFIRM, HT_MSG_FILE_REPLACE,
956: NULL, NULL, NULL);
957: else
958: force_put = FALSE;
959:
960: if (force_put)
1.151 cvs 961: {
962: /* Start a new PUT request without preconditions */
1.176 cvs 963:
964: /* get a new, clean request structure */
965: HTRequest_delete (me->request);
966: me->request = HTRequest_new ();
1.208 cvs 967: /* add the default PUT name */
968: HTRequest_setDefaultPutName (me->request, me->default_put_name);
1.176 cvs 969: /* clean the associated file structure) */
970: HTRequest_setOutputStream (me->request, NULL);
971: /* Initialize the other members of the structure */
1.171 cvs 972: HTRequest_setMethod (me->request, METHOD_GET);
1.176 cvs 973: HTRequest_setOutputFormat (me->request, WWW_SOURCE);
974: HTRequest_setContext (me->request, me);
975: HTRequest_setPreemptive (me->request, NO);
976: /*
977: ** Make sure that the first request is flushed immediately and not
978: ** buffered in the output buffer
979: */
980: if (me->mode & AMAYA_FLUSH_REQUEST)
981: HTRequest_setFlush(me->request, YES);
982: /* remove the preconditions */
1.168 cvs 983: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
1.171 cvs 984: me->reqStatus = HT_NEW;
1.176 cvs 985: status = HTPutDocumentAnchor (HTAnchor_parent (me->source),
986: me->dest, me->request);
1.168 cvs 987: return HT_ERROR; /* stop here */
1.151 cvs 988: }
1.168 cvs 989: else
990: {
991: /* we'd need to call terminate_handler, to free the resources */
992: /* abort the request */
993: /* @@ should we call StopRequest here? */
994: me->reqStatus = HT_ABORT;
995: /* stop here */
996: return HT_ERROR;
997: }
998: }
999: return HT_ERROR;
1.151 cvs 1000: }
1001: #endif /* AMAYA_LOST_UPDATE */
1002:
1.5 cvs 1003: /*----------------------------------------------------------------------
1.17 cvs 1004: terminate_handler
1005: this function is registered to handle the result of the request
1.5 cvs 1006: ----------------------------------------------------------------------*/
1.4 cvs 1007: #if __STDC__
1.7 cvs 1008: static int terminate_handler (HTRequest * request, HTResponse * response, void *context, int status)
1.4 cvs 1009: #else
1010: static int terminate_handler (request, response, context, status)
1011: HTRequest *request;
1012: HTResponse *response;
1013: void *context;
1014: int status;
1.123 cvs 1015: #endif /* __STDC__ */
1.4 cvs 1016: {
1.116 cvs 1017: AHTReqContext *me = (AHTReqContext *) HTRequest_context (request);
1.191 cvs 1018: ThotBool error_flag;
1.116 cvs 1019: char *content_type;
1.184 cvs 1020: HTParentAnchor *anchor;
1.116 cvs 1021:
1022: if (!me)
1.214 cvs 1023: return HT_ERROR; /* not an Amaya request */
1.116 cvs 1024:
1025: if (me->reqStatus == HT_END)
1026: /* we have already processed this request! */
1027: return HT_OK;
1028:
1029: /* if Amaya was killed, treat with this request as if it were
1030: issued by a Stop button event */
1031:
1032: if (!AmayaIsAlive ())
1.80 cvs 1033: me->reqStatus = HT_ABORT;
1.220 cvs 1034:
1035: /* trying to protect against this problem... hard to place
1036: the detection elsewhere :-/ */
1037: if (IsHTTP09Error (request))
1038: status = -1;
1039:
1.77 cvs 1040: if (status == HT_LOADED ||
1041: status == HT_CREATED ||
1.79 cvs 1042: status == HT_NO_DATA ||
1.160 cvs 1043: /* kludge for work around libwww problem */
1044: (status == HT_INTERRUPTED && me->method == METHOD_PUT) ||
1.116 cvs 1045: #ifdef AMAYA_WWW_CACHE
1046: /* what status to use to know we're downloading from a cache? */
1047: status == HT_NOT_MODIFIED ||
1048: #endif /* AMAYA_WWW_CACHE */
1.79 cvs 1049: me->reqStatus == HT_ABORT)
1.74 cvs 1050: error_flag = FALSE;
1.220 cvs 1051: else
1.74 cvs 1052: error_flag = TRUE;
1.130 cvs 1053:
1.4 cvs 1054: /* output any errors from the server */
1.130 cvs 1055:
1.77 cvs 1056: /*
1.74 cvs 1057: ** me->output = output file which will receive an html file
1058: ** me->error_html = yes, output HTML errors in the screen
1059: ** request->error_stack == if there are any errors, they will be here
1060: ** me->error_stream_size If it's != 0 means an error message has already
1061: ** been written to the stack
1062: */
1063:
1.4 cvs 1064: /* First, we verify if there are any errors and if they are not
1.17 cvs 1065: ** yet written to the error stack. If no, then let's try to write them
1066: ** ourselves
1067: */
1.74 cvs 1068:
1069: #ifdef DEBUG_LIBWWW
1070: fprintf (stderr, "terminate_handler: URL is "
1071: "%s, closing FILE %p status is %d\n", me->urlName, me->output,
1072: status);
1.69 cvs 1073: #endif
1.74 cvs 1074:
1.69 cvs 1075: if (me->output && me->output != stdout)
1076: {
1.214 cvs 1077: /* we are writing to a local file */
1.74 cvs 1078: if (me->reqStatus != HT_ABORT)
1079: { /* if the request was not aborted and */
1.80 cvs 1080: if (error_flag &&
1081: me->error_html == TRUE)
1082: /* there were some errors and we want to print them */
1083: {
1084: if (me->error_stream_size == 0)/* and the stream is empty */
1.210 cvs 1085: {
1086: /* if the transfer was interrupted, the file may not be
1087: empty. So, we erase it */
1088: fflush (me->output);
1089: rewind (me->output);
1090: AHTError_MemPrint (request); /* copy errors from
1091: **the error stack
1092: ** into the error stream */
1093: }
1.80 cvs 1094: if (me->error_stream)
1095: { /* if the stream is non-empty */
1096: fprintf (me->output, me->error_stream);/* output the errors */
1.85 cvs 1097: /* Clear the error context, so that we can deal with
1098: this answer as if it were a normal reply */
1099: HTError_deleteAll( HTRequest_error (request));
1100: HTRequest_setError (request, NULL);
1101: error_flag = 0;
1.74 cvs 1102: }
1103: } /* if error_stack */
1.85 cvs 1104: }
1105:
1106: /* if != HT_ABORT */
1107:
1108: #ifdef DEBUG_LIBWWW
1109: fprintf (stderr, "terminate_handler: URL is %s, closing "
1110: "FILE %p\n", me->urlName, me->output);
1111: #endif
1.74 cvs 1112: fclose (me->output);
1113: me->output = NULL;
1.69 cvs 1114: }
1.80 cvs 1115:
1.214 cvs 1116: /* a very special handling so that we can put a message box
1117: to tell the user WHAT he has just done... */
1118: if (UserAborted_flag && me->method == METHOD_PUT)
1119: {
1120: HTRequest_addError (request, ERR_FATAL, NO, HTERR_INTERRUPTED,
1121: "Operation aborted by user", 0, NULL);
1122: }
1123:
1.80 cvs 1124: if (error_flag)
1125: me->reqStatus = HT_ERR;
1.214 cvs 1126: else
1127: if (me->reqStatus != HT_ABORT)
1128: me->reqStatus = HT_END;
1129:
1.116 cvs 1130: /* copy the content_type */
1.151 cvs 1131: if (!me->content_type)
1.88 cvs 1132: {
1.184 cvs 1133: anchor = HTRequest_anchor (request);
1134: if (anchor && HTAnchor_format (anchor))
1135: content_type = HTAtom_name (HTAnchor_format (anchor));
1.154 cvs 1136: else
1137: content_type = "www/unknown";
1138:
1.151 cvs 1139: if (content_type && content_type [0] != EOS)
1140: {
1141: /* libwww gives www/unknown when it gets an error. As this is
1142: an HTML test, we force the type to text/html */
1143: if (!strcmp (content_type, "www/unknown"))
1.235 cvs 1144: me->content_type = TtaWCSdup (TEXT("text/html"));
1145: else {
1146: CHAR_T ContentType[MAX_LENGTH];
1147: iso2wc_strcpy (ContentType, content_type);
1148: me->content_type = TtaWCSdup (ContentType);
1149: }
1.151 cvs 1150:
1151: /* Content-Type can be specified by an httpd server's admin.
1152: To be on the safe side, we normalize its case */
1.233 cvs 1153: ConvertToLowerCase (me->content_type);
1.151 cvs 1154:
1.88 cvs 1155: #ifdef DEBUG_LIBWWW
1.151 cvs 1156: fprintf (stderr, "content type is: %s\n", me->content_type);
1.88 cvs 1157: #endif /* DEBUG_LIBWWW */
1.151 cvs 1158: }
1159: }
1.114 cvs 1160:
1.115 cvs 1161: /* to avoid a hangup while downloading css files */
1.140 cvs 1162: if (AmayaAlive_flag && (me->mode & AMAYA_LOAD_CSS))
1.233 cvs 1163: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_ELEMENT_LOADED), me->status_urlName);
1.116 cvs 1164:
1165: /* don't remove or Xt will hang up during the PUT */
1166: if (AmayaIsAlive () && ((me->method == METHOD_POST) ||
1167: (me->method == METHOD_PUT)))
1.7 cvs 1168: {
1.80 cvs 1169: PrintTerminateStatus (me, status);
1170: }
1.114 cvs 1171:
1.111 cvs 1172: ProcessTerminateRequest (request, response, context, status);
1.116 cvs 1173:
1.151 cvs 1174: /* stop here */
1.150 cvs 1175: return HT_ERROR;
1.4 cvs 1176: }
1177:
1.5 cvs 1178: /*----------------------------------------------------------------------
1.17 cvs 1179: AHTLoadTerminate_handler
1.74 cvs 1180: this is an application "AFTER" Callback. It's called by the library
1181: when a request has ended, so that we can setup the correct status.
1.5 cvs 1182: ----------------------------------------------------------------------*/
1.4 cvs 1183:
1184: #ifdef __STDC__
1.111 cvs 1185: int AHTLoadTerminate_handler (HTRequest * request, HTResponse * response, void *param, int status)
1.4 cvs 1186: #else
1.111 cvs 1187: int AHTLoadTerminate_handler (request, response, param, status)
1.4 cvs 1188: HTRequest *request;
1189: HTResponse *response;
1190: void *param;
1191: int status;
1.69 cvs 1192:
1.4 cvs 1193: #endif
1194: {
1.116 cvs 1195:
1196: /** @@@@ use this with printstatus ?? */
1197:
1.4 cvs 1198: AHTReqContext *me = HTRequest_context (request);
1199: HTAlertCallback *cbf;
1200: AHTDocId_Status *docid_status;
1201:
1.7 cvs 1202: switch (status)
1.116 cvs 1203: {
1204: case HT_LOADED:
1205: if (PROT_TRACE)
1206: HTTrace ("Load End.... OK: `%s\' has been accessed\n",
1207: me->status_urlName);
1.4 cvs 1208:
1.116 cvs 1209: docid_status = GetDocIdStatus (me->docid,
1210: Amaya->docid_status);
1.7 cvs 1211:
1.116 cvs 1212: if (docid_status != NULL && docid_status->counter > 1)
1213: TtaSetStatus (me->docid, 1,
1214: TtaGetMessage (AMAYA, AM_ELEMENT_LOADED),
1.233 cvs 1215: me->status_urlName);
1.7 cvs 1216: break;
1.116 cvs 1217:
1218: case HT_NO_DATA:
1219: if (PROT_TRACE)
1220: HTTrace ("Load End.... OK BUT NO DATA: `%s\'\n",
1221: me->status_urlName);
1222: TtaSetStatus (me->docid, 1,
1223: TtaGetMessage (AMAYA, AM_LOADED_NO_DATA),
1.233 cvs 1224: me->status_urlName);
1.116 cvs 1225: break;
1226:
1227: case HT_INTERRUPTED:
1228: if (PROT_TRACE)
1229: HTTrace ("Load End.... INTERRUPTED: `%s\'\n",
1230: me->status_urlName);
1231: TtaSetStatus (me->docid, 1,
1232: TtaGetMessage (AMAYA, AM_LOAD_ABORT),
1233: NULL);
1234: break;
1.7 cvs 1235:
1.116 cvs 1236: case HT_RETRY:
1237: if (PROT_TRACE)
1238: HTTrace ("Load End.... NOT AVAILABLE, RETRY AT %ld\n",
1239: HTResponse_retryTime (response));
1240: TtaSetStatus (me->docid, 1,
1241: TtaGetMessage (AMAYA, AM_NOT_AVAILABLE_RETRY),
1.233 cvs 1242: me->status_urlName);
1.116 cvs 1243: break;
1.7 cvs 1244:
1.116 cvs 1245: case HT_ERROR:
1246: cbf = HTAlert_find (HT_A_MESSAGE);
1247: if (cbf)
1248: (*cbf) (request, HT_A_MESSAGE, HT_MSG_NULL, NULL,
1249: HTRequest_error (request), NULL);
1250: break;
1251:
1252: if (PROT_TRACE)
1.235 cvs 1253: HTTrace ("Load End.... ERROR: Can't access `%s\'\n", me->status_urlName ? me->status_urlName :"<UNKNOWN>");
1254: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_CANNOT_LOAD), me->status_urlName ? me->status_urlName : TEXT("<UNKNOWN>"));
1.116 cvs 1255: break;
1256: default:
1257: if (PROT_TRACE)
1258: HTTrace ("Load End.... UNKNOWN RETURN CODE %d\n", status);
1259: break;
1260: }
1261:
1262: return HT_OK;
1263: }
1.7 cvs 1264:
1.116 cvs 1265: #ifdef DEBUG_LIBWWW
1266: static int LineTrace (const char * fmt, va_list pArgs)
1267: {
1268: return (vfprintf(stderr, fmt, pArgs));
1.4 cvs 1269: }
1.116 cvs 1270: #endif DEBUG_LIBWWW
1.4 cvs 1271:
1.27 cvs 1272: /*----------------------------------------------------------------------
1273: AHTAcceptTypesInit
1.74 cvs 1274: This function prepares the Accept header used by Amaya during
1275: the HTTP content negotiation phase
1.27 cvs 1276: ----------------------------------------------------------------------*/
1277: #ifdef __STDC__
1278: static void AHTAcceptTypesInit (HTList *c)
1279: #else /* __STDC__ */
1280: static void AHTAcceptTypesInit (c)
1281: HTList *c;
1282: #endif /* __STDC__ */
1283: {
1.223 cvs 1284: if (c == (HTList *) NULL)
1.27 cvs 1285: return;
1286:
1.223 cvs 1287: /* define here all the mime types that Amaya can accept */
1.27 cvs 1288:
1.223 cvs 1289: HTConversion_add (c, "image/png", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1290: HTConversion_add (c, "image/jpeg", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1291: HTConversion_add (c, "image/gif", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1292: HTConversion_add (c, "image/xbm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1293: HTConversion_add (c, "image/xpm", "www/present", HTThroughLine, 1.0, 0.0, 0.0);
1.183 cvs 1294:
1.27 cvs 1295: /* Define here the equivalences between MIME types and file extensions for
1.223 cvs 1296: the types that Amaya can display */
1.27 cvs 1297:
1.176 cvs 1298: /* Initialize suffix bindings for local files */
1299: HTBind_init();
1300:
1.27 cvs 1301: /* Register the default set of file suffix bindings */
1302: HTFileInit ();
1303:
1304: /* Don't do any case distinction */
1305: HTBind_caseSensitive (FALSE);
1306: }
1.4 cvs 1307:
1.5 cvs 1308: /*----------------------------------------------------------------------
1.193 cvs 1309: AHTAcceptLanguagesInit
1310: This function prepares the Accept header used by Amaya during
1311: the HTTP content negotiation phase
1312: ----------------------------------------------------------------------*/
1313: #ifdef __STDC__
1.196 cvs 1314: static void AHTAcceptLanguagesInit (HTList *c)
1.193 cvs 1315: #else /* __STDC__ */
1.196 cvs 1316: static void AHTAcceptLanguagesInit (c)
1.193 cvs 1317: HTList *c;
1318: #endif /* __STDC__ */
1319: {
1.233 cvs 1320: CHAR_T* ptr;
1321: CHAR_T* lang_list;
1.223 cvs 1322: char s[3];
1.196 cvs 1323: int count, lg;
1324: double quality;
1325: ThotBool still;
1.193 cvs 1326:
1327: if (c == (HTList *) NULL)
1328: return;
1329:
1.203 cvs 1330: lang_list = TtaGetEnvString ("ACCEPT_LANGUAGES");
1.197 cvs 1331: s[2] = EOS;
1.234 cvs 1332: if (lang_list && *lang_list != WC_EOS)
1.193 cvs 1333: {
1334: /* add the default language first */
1335: HTLanguage_add (c, "*", -1.0);
1336: /* how many languages do we have? */
1.196 cvs 1337: ptr = lang_list;
1338: count = 0;
1.233 cvs 1339: while (*ptr != WC_EOS) {
1340: while (*ptr != WC_EOS && (*ptr < TEXT('A') || (*ptr > TEXT('Z') && *ptr < TEXT('a')) || *ptr > TEXT('z')))
1.223 cvs 1341: /* skip the whole separator */
1342: ptr++;
1343: lg = 0;
1.233 cvs 1344: while ((*ptr >= TEXT('A') && *ptr <= TEXT('Z')) || (*ptr >= TEXT('a') && *ptr <= TEXT('z')) || *ptr == TEXT('-')) {
1.223 cvs 1345: /* it's a new language */
1346: ptr++;
1347: lg++;
1348: }
1349: if (lg >= 2)
1350: count++;
1.233 cvs 1351: if (*ptr != WC_EOS)
1.223 cvs 1352: ptr++;
1353: }
1.193 cvs 1354:
1.196 cvs 1355: if (count > 0)
1.223 cvs 1356: quality = 1.1 - (double) count/10.0;
1.193 cvs 1357: else
1.223 cvs 1358: quality = 1.0;
1.193 cvs 1359:
1.223 cvs 1360: /* Read the languages from the registry, then inject them one, by one.
1361: The first one is the one with the highest priority.
1362: The libwww ask for the lowest priority first.
1.196 cvs 1363: */
1364: ptr--;
1365: still = TRUE;
1.223 cvs 1366: while (count) {
1.233 cvs 1367: while (still && (*ptr < TEXT('A') || (*ptr > TEXT('Z') && *ptr < TEXT('a')) || *ptr > TEXT('z')))
1.223 cvs 1368: /* skip the whole separator */
1369: if (ptr > lang_list)
1370: ptr--;
1371: else
1372: still = FALSE;
1373: lg = 0;
1.233 cvs 1374: while (still && ((*ptr >= TEXT('A') && *ptr <= TEXT('Z')) || (*ptr >= TEXT('a') && *ptr <= TEXT('z')) || *ptr == TEXT('-'))) {
1.223 cvs 1375: /* it's a new language */
1376: if (ptr > lang_list)
1377: ptr--;
1378: else
1379: still = FALSE;
1380: lg++;
1381: }
1382: if (lg >= 2) {
1383: if (still)
1.234 cvs 1384: wc2iso_strncpy (s, &ptr[1], 2);
1.223 cvs 1385: else
1.234 cvs 1386: wc2iso_strncpy (s, lang_list, 2);
1.223 cvs 1387: count--;
1.227 cvs 1388: HTLanguage_add (c, s, quality);
1.223 cvs 1389: quality += 0.1;
1390: }
1391: ptr--;
1392: }
1393: }
1.193 cvs 1394: }
1395:
1396: /*----------------------------------------------------------------------
1.17 cvs 1397: AHTConverterInit
1398: Bindings between a source media type and a destination media type
1399: (conversion).
1.5 cvs 1400: ----------------------------------------------------------------------*/
1.15 cvs 1401: #ifdef __STDC__
1402: static void AHTConverterInit (HTList *c)
1403: #else /* __STDC__ */
1404: static void AHTConverterInit (c)
1405: HTList *c;
1406: #endif /* __STDC__ */
1.4 cvs 1407: {
1408:
1409: /* Handler for custom http error messages */
1.7 cvs 1410: HTConversion_add (c, "*/*", "www/debug", AHTMemConverter, 1.0, 0.0, 0.0);
1.4 cvs 1411:
1412: /*
1413: ** These are converters that converts to something other than www/present,
1414: ** that is not directly outputting someting to the user on the screen
1415: */
1416:
1.223 cvs 1417: HTConversion_add (c, "message/rfc822", "*/*", HTMIMEConvert, 1.0, 0.0, 0.0);
1418: HTConversion_add (c, "message/x-rfc822-foot", "*/*", HTMIMEFooter, 1.0, 0.0, 0.0);
1419: HTConversion_add (c, "message/x-rfc822-head", "*/*", HTMIMEHeader, 1.0, 0.0, 0.0);
1420: HTConversion_add(c,"message/x-rfc822-cont", "*/*", HTMIMEContinue, 1.0, 0.0, 0.0);
1421: HTConversion_add(c,"message/x-rfc822-partial","*/*", HTMIMEPartial, 1.0, 0.0, 0.0);
1422: HTConversion_add (c, "multipart/*", "*/*", HTBoundary, 1.0, 0.0, 0.0);
1423: HTConversion_add (c, "text/plain", "text/html", HTPlainToHTML, 1.0, 0.0, 0.0);
1.4 cvs 1424:
1425: /*
1.116 cvs 1426: ** The following conversions are converting ASCII output from various
1427: ** protocols to HTML objects.
1428: */
1.223 cvs 1429: HTConversion_add (c, "text/x-http", "*/*", HTTPStatus_new, 1.0, 0.0, 0.0);
1.4 cvs 1430:
1431: /*
1.116 cvs 1432: ** We also register a special content type guess stream that can figure out
1433: ** the content type by reading the first bytes of the stream
1434: */
1.223 cvs 1435: HTConversion_add (c, "www/unknown", "*/*", HTGuess_new, 1.0, 0.0, 0.0);
1.4 cvs 1436:
1.116 cvs 1437: #ifdef AMAYA_WWW_CACHE
1.4 cvs 1438: /*
1.116 cvs 1439: ** Register a persistent cache stream which can save an object to local
1440: ** file
1441: */
1.223 cvs 1442: HTConversion_add (c, "www/cache", "*/*", HTCacheWriter, 1.0, 0.0, 0.0);
1443: HTConversion_add(c,"www/cache-append", "*/*", HTCacheAppend, 1.0, 0.0, 0.0);
1.116 cvs 1444: #endif AMAYA_WWW_CACHE
1.4 cvs 1445:
1446: /*
1.116 cvs 1447: ** This dumps all other formats to local disk without any further
1448: ** action taken
1449: */
1.223 cvs 1450: HTConversion_add (c, "*/*", "www/present", HTSaveLocally, 0.3, 0.0, 0.0);
1.4 cvs 1451: }
1452:
1.27 cvs 1453:
1.15 cvs 1454: /*----------------------------------------------------------------------
1.17 cvs 1455: AHTProtocolInit
1456: Registers all amaya supported protocols.
1.15 cvs 1457: ----------------------------------------------------------------------*/
1.4 cvs 1458: static void AHTProtocolInit (void)
1459: {
1.233 cvs 1460: CHAR_T* strptr;
1.4 cvs 1461:
1.116 cvs 1462: /*
1463: NB. Preemptive == YES means Blocking requests
1464: Non-preemptive == NO means Non-blocking requests
1465: */
1466: HTTransport_add("tcp", HT_TP_SINGLE, HTReader_new, HTWriter_new);
1467: HTTransport_add("buffered_tcp", HT_TP_SINGLE, HTReader_new,
1468: HTBufferWriter_new);
1469: HTProtocol_add ("http", "buffered_tcp", HTTP_PORT, NO, HTLoadHTTP, NULL);
1.136 cvs 1470: #ifdef _WINDOWS
1471: HTProtocol_add ("file", "local", 0, YES, HTLoadFile, NULL);
1472: #else
1.116 cvs 1473: HTProtocol_add ("file", "local", 0, NO, HTLoadFile, NULL);
1.198 cvs 1474: #endif /* _WINDOWS */
1.116 cvs 1475: #ifdef AMAYA_WWW_CACHE
1476: HTProtocol_add("cache", "local", 0, YES, HTLoadCache, NULL);
1477: #endif /* AMAYA_WWW_CACHE */
1.103 cvs 1478: #if 0 /* experimental code */
1.116 cvs 1479: HTProtocol_add ("ftp", "tcp", FTP_PORT, NO, HTLoadFTP, NULL);
1.17 cvs 1480: #endif
1.116 cvs 1481:
1482: /* initialize pipelining */
1.223 cvs 1483: strptr = TtaGetEnvString ("ENABLE_PIPELINING");
1.234 cvs 1484: if (strptr && *strptr && ustrcasecmp (strptr, TEXT("yes")))
1.116 cvs 1485: HTTP_setConnectionMode (HTTP_11_NO_PIPELINING);
1.4 cvs 1486: }
1487:
1.15 cvs 1488: /*----------------------------------------------------------------------
1.17 cvs 1489: AHTNetInit
1490: Reegisters "before" and "after" request filters.
1.15 cvs 1491: ----------------------------------------------------------------------*/
1.4 cvs 1492: static void AHTNetInit (void)
1493: {
1494:
1495: /* Register BEFORE filters
1.74 cvs 1496: ** The BEFORE filters handle proxies, caches, rule files etc.
1497: ** The filters are called in the order by which the are registered
1498: ** Not done automaticly - may be done by application!
1499: */
1.4 cvs 1500:
1.116 cvs 1501: HTNet_addBefore (HTCredentialsFilter, "http://*", NULL, HT_FILTER_LATE);
1502: HTNet_addBefore (HTProxyFilter, NULL, NULL, HT_FILTER_LATE);
1.85 cvs 1503: HTHost_setActivateRequestCallback (AHTOpen_file);
1.4 cvs 1504:
1505: /* register AFTER filters
1.74 cvs 1506: ** The AFTER filters handle error messages, logging, redirection,
1507: ** authentication etc.
1508: ** The filters are called in the order by which the are registered
1509: ** Not done automaticly - may be done by application!
1510: */
1.4 cvs 1511:
1.223 cvs 1512: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_NO_ACCESS, HT_FILTER_MIDDLE);
1513: HTNet_addAfter (HTAuthFilter, "http://*", NULL, HT_REAUTH, HT_FILTER_MIDDLE);
1514: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_PERM_REDIRECT, HT_FILTER_MIDDLE);
1515: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_FOUND, HT_FILTER_MIDDLE);
1516: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_SEE_OTHER, HT_FILTER_MIDDLE);
1517: HTNet_addAfter (redirection_handler, "http://*", NULL, HT_TEMP_REDIRECT, HT_FILTER_MIDDLE);
1518: HTNet_addAfter (HTAuthInfoFilter, "http://*", NULL, HT_ALL, HT_FILTER_MIDDLE);
1519: HTNet_addAfter (HTUseProxyFilter, "http://*", NULL, HT_USE_PROXY, HT_FILTER_MIDDLE);
1.151 cvs 1520: #ifdef AMAYA_LOST_UPDATE
1.223 cvs 1521: HTNet_addAfter (precondition_handler, NULL, NULL, HT_PRECONDITION_FAILED, HT_FILTER_MIDDLE);
1.151 cvs 1522: #endif /* AMAYA_LOST_UPDATE */
1.111 cvs 1523: #ifndef _WINDOWS
1.223 cvs 1524: HTNet_addAfter (AHTLoadTerminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.111 cvs 1525: #endif /* !_WINDOWS */
1.116 cvs 1526: /**** for later ?? ****/
1527: /* HTNet_addAfter(HTInfoFilter, NULL, NULL, HT_ALL, HT_FILTER_LATE); */
1.51 cvs 1528: /* handles all errors */
1.116 cvs 1529: HTNet_addAfter (terminate_handler, NULL, NULL, HT_ALL, HT_FILTER_LAST);
1.4 cvs 1530: }
1531:
1.15 cvs 1532: /*----------------------------------------------------------------------
1.17 cvs 1533: AHTAlertInit
1534: Register alert messages and their callbacks.
1.15 cvs 1535: ----------------------------------------------------------------------*/
1536: #ifdef __STDC__
1537: static void AHTAlertInit (void)
1538: #else
1539: static void AHTAlertInit ()
1540: #endif
1541: {
1542: HTAlert_add (AHTProgress, HT_A_PROGRESS);
1.120 cvs 1543: #ifdef __WINDOWS
1.70 cvs 1544: HTAlert_add ((HTAlertCallback *) WIN_Activate_Request, HT_PROG_CONNECT);
1.116 cvs 1545: #endif /* _WINDOWS */
1.15 cvs 1546: HTAlert_add (AHTError_print, HT_A_MESSAGE);
1.48 cvs 1547: HTError_setShow (~((unsigned int) 0 ) & ~((unsigned int) HT_ERR_SHOW_DEBUG)); /* process all messages except debug ones*/
1.15 cvs 1548: HTAlert_add (AHTConfirm, HT_A_CONFIRM);
1549: HTAlert_add (AHTPrompt, HT_A_PROMPT);
1550: HTAlert_add (AHTPromptUsernameAndPassword, HT_A_USER_PW);
1.116 cvs 1551: }
1552:
1.128 cvs 1553: /*----------------------------------------------------------------------
1554: libwww_CleanCache
1555: frontend to the recursive cache cleaning function
1556: ----------------------------------------------------------------------*/
1557: #ifdef __STDC__
1558: void libwww_CleanCache (void)
1559: #else
1560: void libwww_CleanCache ()
1561: Document doc;
1562: View view;
1563: #endif /* __STDC__ */
1564: {
1.130 cvs 1565: #ifdef AMAYA_WWW_CACHE
1.235 cvs 1566: CHAR_T* real_dir;
1567: char* cache_dir;
1568: char* tmp;
1569: int cache_size;
1570: int cache_expire;
1571: int cache_disconnect;
1.191 cvs 1572: ThotBool error;
1.235 cvs 1573: CHAR_T* ptr;
1.130 cvs 1574:
1.128 cvs 1575: if (!HTCacheMode_enabled ())
1.183 cvs 1576: /* don't do anything if we're not using a cache */
1577: return;
1.128 cvs 1578: /* temporarily close down the cache, purge it, then restart */
1.228 cvs 1579: tmp = HTCacheMode_getRoot ();
1.190 cvs 1580: /* don't do anything if we don't have a valid cache dir */
1581: if (!tmp || *tmp == EOS)
1582: return;
1.233 cvs 1583: cache_dir = TtaStrdup (tmp);
1.228 cvs 1584: HT_FREE (tmp);
1.128 cvs 1585: cache_size = HTCacheMode_maxSize ();
1.177 cvs 1586: cache_expire = HTCacheMode_expires ();
1587: cache_disconnect = HTCacheMode_disconnected ();
1588:
1.185 cvs 1589: /* get something we can work on :) */
1.233 cvs 1590: tmp = HTWWWToLocal (cache_dir, "file:", NULL);
1.235 cvs 1591: real_dir = TtaAllocString (strlen (tmp) + 20);
1592: iso2wc_strcpy (real_dir, tmp);
1.190 cvs 1593: HT_FREE (tmp);
1.185 cvs 1594:
1595: /* safeguard... abort the operation if cache_dir doesn't end with
1596: CACHE_DIR_NAME */
1597: error = TRUE;
1.198 cvs 1598: ptr = ustrstr (real_dir, CACHE_DIR_NAME);
1599: if (ptr && *ptr && !ustrcasecmp (ptr, CACHE_DIR_NAME))
1.185 cvs 1600: error = FALSE;
1601: if (error)
1602: return;
1603:
1.130 cvs 1604: /* remove the concurrent cache lock */
1605: #ifdef DEBUG_LIBWWW
1606: fprintf (stderr, "Clearing the cache lock\n");
1607: #endif /* DEBUG_LIBWWW */
1608: clear_cachelock ();
1.128 cvs 1609: HTCacheTerminate ();
1.185 cvs 1610: HTCacheMode_setEnabled (FALSE);
1611:
1612: RecCleanCache (real_dir);
1.128 cvs 1613:
1.177 cvs 1614: HTCacheMode_setExpires (cache_expire);
1615: HTCacheMode_setDisconnected (cache_disconnect);
1.233 cvs 1616: HTCacheInit (cache_dir, cache_size);
1.130 cvs 1617: /* set a new concurrent cache lock */
1.198 cvs 1618: ustrcat (real_dir, TEXT(".lock"));
1.185 cvs 1619: if (set_cachelock (real_dir) == -1)
1.130 cvs 1620: /* couldn't open the .lock file, so, we close the cache to
1621: be in the safe side */
1622: {
1623: #ifdef DEBUG_LIBWWW
1624: fprintf (stderr, "couldnt set the cache lock\n");
1625: #endif /* DEBUG_LIBWWW */
1626: HTCacheTerminate ();
1.185 cvs 1627: HTCacheMode_setEnabled (FALSE);
1.130 cvs 1628: }
1629: #ifdef DEBUG_LIBWWW
1630: fprintf (stderr, "set a cache lock\n");
1631: #endif /* DEBUG_LIBWWW */
1.185 cvs 1632: TtaFreeMemory (real_dir);
1.128 cvs 1633: TtaFreeMemory (cache_dir);
1634: #endif /* AMAYA_WWW_CACHE */
1635: }
1636:
1.118 cvs 1637: #ifdef AMAYA_WWW_CACHE
1638: /*----------------------------------------------------------------------
1.128 cvs 1639: RecCleanCache
1.118 cvs 1640: Clears an existing cache directory
1641: ----------------------------------------------------------------------*/
1642: #ifdef __STDC__
1.233 cvs 1643: static void RecCleanCache (CHAR_T* dirname)
1.118 cvs 1644: #else
1.198 cvs 1645: static void RecCleanCache (dirname)
1.233 cvs 1646: CHAR_T* dirname;
1.118 cvs 1647: #endif /* __STDC__ */
1.128 cvs 1648:
1649: #ifdef _WINDOWS
1650: {
1.223 cvs 1651: HANDLE hFindFile;
1652: ThotBool status;
1.128 cvs 1653: WIN32_FIND_DATA ffd;
1.233 cvs 1654: CHAR_T t_dir [MAX_LENGTH];
1655: CHAR_T* ptr;
1.128 cvs 1656:
1.130 cvs 1657: /* create a t_dir name to start searching for files */
1.234 cvs 1658: if ((ustrlen (dirname) + 10) > MAX_LENGTH)
1.128 cvs 1659: /* ERROR: directory name is too big */
1660: return;
1661:
1.234 cvs 1662: ustrcpy (t_dir, dirname);
1.130 cvs 1663: /* save the end of the dirname. We'll use it to make
1664: a complete pathname when erasing files */
1.234 cvs 1665: ptr = &t_dir[ustrlen (t_dir)];
1666: ustrcat (t_dir, TEXT("*"));
1.128 cvs 1667:
1.130 cvs 1668: hFindFile = FindFirstFile (t_dir, &ffd);
1.128 cvs 1669:
1670: if (hFindFile == INVALID_HANDLE_VALUE)
1671: /* nothing to erase? */
1672: return;
1673:
1674: status = TRUE;
1.130 cvs 1675: while (status)
1676: {
1677: if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1.133 cvs 1678: {
1679: /* it's a directory, erase it recursively */
1.233 cvs 1680: if (ustrcmp (ffd.cFileName, TEXT("..")) && ustrcmp (ffd.cFileName, TEXT(".")))
1.133 cvs 1681: {
1.233 cvs 1682: ustrcpy (ptr, ffd.cFileName);
1683: ustrcat (ptr, WC_DIR_STR);
1.133 cvs 1684: RecCleanCache (t_dir);
1.198 cvs 1685: urmdir (t_dir);
1.133 cvs 1686: }
1687: }
1688: else
1.130 cvs 1689: {
1.133 cvs 1690: /* it's a file, erase it */
1.233 cvs 1691: ustrcpy (ptr, ffd.cFileName);
1.133 cvs 1692: TtaFileUnlink (t_dir);
1.130 cvs 1693: }
1694: status = FindNextFile (hFindFile, &ffd);
1695: }
1.128 cvs 1696: FindClose (hFindFile);
1697: }
1698:
1699: #else /* _WINDOWS */
1.118 cvs 1700: {
1701: DIR *dp;
1702: struct stat st;
1703: #ifdef HAVE_DIRENT_H
1704: struct dirent *d;
1705: #else
1706: struct direct *d;
1707: #endif /* HAVE_DIRENT_H */
1.128 cvs 1708: char filename[BUFSIZ+1];
1.118 cvs 1709:
1710: if ((dp = opendir (dirname)) == NULL)
1711: {
1712: /* @@@ we couldn't open the directory ... we need some msg */
1713: perror (dirname);
1.176 cvs 1714: return;
1.118 cvs 1715: }
1716:
1717: while ((d = readdir (dp)) != NULL)
1718: {
1719: /* skip the UNIX . and .. links */
1720: if (!strcmp (d->d_name, "..")
1721: || !strcmp (d->d_name, "."))
1722: continue;
1723:
1.188 cvs 1724: sprintf (filename, "%s%c%s", dirname, DIR_SEP, d->d_name);
1.118 cvs 1725: if (lstat (filename, &st) < 0 )
1726: {
1727: /* @@2 need some error message */
1728: perror (filename);
1729: continue;
1730: }
1731:
1732: switch (st.st_mode & S_IFMT)
1733: {
1734: case S_IFDIR:
1735: /* if we find a directory, we erase it, recursively */
1.128 cvs 1736: strcat (filename, DIR_STR);
1737: RecCleanCache (filename);
1738: rmdir (filename);
1.118 cvs 1739: break;
1740: case S_IFLNK:
1741: /* skip any links we find */
1742: continue;
1743: break;
1744: default:
1745: /* erase the filename */
1746: TtaFileUnlink (filename);
1747: break;
1748: }
1749: }
1750: closedir (dp);
1751: }
1.128 cvs 1752: #endif /* _WINDOWS */
1.118 cvs 1753: #endif /* AMAYA_WWW_CACHE */
1754:
1.116 cvs 1755: /*----------------------------------------------------------------------
1756: CacheInit
1757: Reads the cache settings from the thot.ini file.
1758: ----------------------------------------------------------------------*/
1.118 cvs 1759: #ifdef __STDC__
1.116 cvs 1760: static void CacheInit (void)
1.118 cvs 1761: #else
1762: static void Cacheinit ()
1763: #endif
1764:
1.116 cvs 1765: {
1766: #ifndef AMAYA_WWW_CACHE
1767: HTCacheMode_setEnabled (NO);
1768:
1769: #else /* AMAYA_WWW_CACHE */
1.233 cvs 1770: CHAR_T* strptr;
1771: CHAR_T* real_dir = NULL;
1772: CHAR_T* cache_lockfile;
1.223 cvs 1773: char www_realDir[MAX_LENGTH];
1774: char* cache_dir = NULL;
1775: int cache_size;
1776: int cache_entry_size;
1777: ThotBool cache_enabled;
1778: ThotBool cache_locked;
1779: ThotBool tmp_bool;
1.130 cvs 1780:
1.185 cvs 1781: int i;
1782:
1.116 cvs 1783: /* activate cache? */
1.203 cvs 1784: strptr = TtaGetEnvString ("ENABLE_CACHE");
1.234 cvs 1785: if (strptr && *strptr && ustrcasecmp (strptr, TEXT("yes")))
1.130 cvs 1786: cache_enabled = NO;
1.116 cvs 1787: else
1.130 cvs 1788: cache_enabled = YES;
1.116 cvs 1789:
1.151 cvs 1790: /* cache protected documents? */
1.203 cvs 1791: strptr = TtaGetEnvString ("CACHE_PROTECTED_DOCS");
1.234 cvs 1792: if (strptr && *strptr && !ustrcasecmp (strptr, TEXT("yes")))
1.151 cvs 1793: HTCacheMode_setProtected (YES);
1794: else
1795: HTCacheMode_setProtected (NO);
1796:
1.116 cvs 1797: /* get the cache dir (or use a default one) */
1.203 cvs 1798: strptr = TtaGetEnvString ("CACHE_DIR");
1.116 cvs 1799: if (strptr && *strptr)
1800: {
1.234 cvs 1801: real_dir = TtaAllocString (ustrlen (strptr) + ustrlen (CACHE_DIR_NAME) + 20);
1802: ustrcpy (real_dir, strptr);
1803: if (*(real_dir + ustrlen (real_dir) - 1) != WC_DIR_SEP)
1804: ustrcat (real_dir, WC_DIR_STR);
1.116 cvs 1805: }
1806: else
1807: {
1.234 cvs 1808: real_dir = TtaAllocString (ustrlen (TempFileDirectory) + ustrlen (CACHE_DIR_NAME) + 20);
1.233 cvs 1809: usprintf (real_dir, TEXT("%s%s"), TempFileDirectory, CACHE_DIR_NAME);
1.185 cvs 1810: }
1811:
1812: /* compatiblity with previous versions of Amaya: does real_dir
1813: include CACHE_DIR_NAME? If not, add it */
1.234 cvs 1814: strptr = ustrstr (real_dir, CACHE_DIR_NAME);
1.185 cvs 1815: if (!strptr)
1.234 cvs 1816: ustrcat (real_dir, CACHE_DIR_NAME);
1.185 cvs 1817: else
1818: {
1.234 cvs 1819: i = ustrlen (CACHE_DIR_NAME);
1820: if (strptr[i] != WC_EOS)
1821: ustrcat (real_dir, CACHE_DIR_NAME);
1.116 cvs 1822: }
1.185 cvs 1823:
1.211 cvs 1824: /* convert the local cache dir into a file URL, as expected by
1825: libwww */
1.223 cvs 1826:
1.234 cvs 1827: wc2iso_strcpy (www_realDir, real_dir);
1.223 cvs 1828:
1829: cache_dir = HTLocalToWWW (www_realDir, "file:");
1.116 cvs 1830:
1831: /* get the cache size (or use a default one) */
1.203 cvs 1832: strptr = TtaGetEnvString ("CACHE_SIZE");
1.116 cvs 1833: if (strptr && *strptr)
1.233 cvs 1834: cache_size = wctoi (strptr);
1.116 cvs 1835: else
1836: cache_size = DEFAULT_CACHE_SIZE;
1837:
1.176 cvs 1838: /* get the max cached file size (or use a default one) */
1.223 cvs 1839: if (!TtaGetEnvInt ("MAX_CACHE_ENTRY_SIZE", &cache_entry_size))
1.176 cvs 1840: cache_entry_size = DEFAULT_MAX_CACHE_ENTRY_SIZE;
1841:
1.130 cvs 1842: if (cache_enabled)
1.116 cvs 1843: {
1844: /* how to remove the lock? force remove it? */
1.234 cvs 1845: cache_lockfile = TtaAllocString (ustrlen (real_dir) + 20);
1846: ustrcpy (cache_lockfile, real_dir);
1847: ustrcat (cache_lockfile, TEXT(".lock"));
1.130 cvs 1848: cache_locked = FALSE;
1.223 cvs 1849: if (TtaFileExist (cache_lockfile) && !(cache_locked = test_cachelock (cache_lockfile)))
1.116 cvs 1850: {
1.130 cvs 1851: #ifdef DEBUG_LIBWWW
1852: fprintf (stderr, "found a stale cache, removing it\n");
1853: #endif /* DEBUG_LIBWWW */
1854: /* remove the lock and clean the cache (the clean cache
1855: will remove all, making the following call unnecessary */
1856: /* little trick to win some memory */
1.234 cvs 1857: strptr = ustrrchr (cache_lockfile, TEXT('.'));
1858: *strptr = WC_EOS;
1.130 cvs 1859: RecCleanCache (cache_lockfile);
1.234 cvs 1860: *strptr = TEXT('.');
1.116 cvs 1861: }
1862:
1.130 cvs 1863: if (!cache_locked)
1864: {
1865: /* initialize the cache if there's no other amaya
1866: instance running */
1.177 cvs 1867: HTCacheMode_setMaxCacheEntrySize (cache_entry_size);
1.223 cvs 1868: if (TtaGetEnvBoolean ("CACHE_EXPIRE_IGNORE", &tmp_bool) && tmp_bool)
1.177 cvs 1869: HTCacheMode_setExpires (HT_EXPIRES_IGNORE);
1870: else
1871: HTCacheMode_setExpires (HT_EXPIRES_AUTO);
1.223 cvs 1872: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &tmp_bool);
1.177 cvs 1873: if (tmp_bool)
1874: HTCacheMode_setDisconnected (HT_DISCONNECT_NORMAL);
1875: else
1876: HTCacheMode_setDisconnected (HT_DISCONNECT_NONE);
1.211 cvs 1877: if (HTCacheInit (cache_dir, cache_size))
1.130 cvs 1878: {
1.188 cvs 1879: if (set_cachelock (cache_lockfile) == -1)
1880: /* couldn't open the .lock file, so, we close the cache to
1881: be in the safe side */
1882: {
1883: HTCacheTerminate ();
1884: HTCacheMode_setEnabled (FALSE);
1885: #ifdef DEBUG_LIBWWW
1886: fprintf (stderr, "couldnt set the cache lock\n");
1887: #endif /* DEBUG_LIBWWW */
1888: }
1.130 cvs 1889: #ifdef DEBUG_LIBWWW
1.188 cvs 1890: else
1891: fprintf (stderr, "created the cache lock\n");
1.130 cvs 1892: #endif /* DEBUG_LIBWWW */
1893: }
1.188 cvs 1894: else
1895: {
1.130 cvs 1896: #ifdef DEBUG_LIBWWW
1.188 cvs 1897: fprintf (stderr, "couldn't create the cache\n");
1898: #endif /* DEBUG_LIBWWW */
1899: HTCacheTerminate ();
1900: }
1.130 cvs 1901: }
1902: else
1903: {
1.185 cvs 1904: HTCacheMode_setEnabled (FALSE);
1.130 cvs 1905: #ifdef DEBUG_LIBWWW
1906: fprintf (stderr, "lock detected, starting libwww without a cache/n");
1907: #endif /* DEBUG_LIBWWW */
1908: }
1909: TtaFreeMemory (cache_lockfile);
1.116 cvs 1910: }
1911: else
1.185 cvs 1912: {
1913: HTCacheMode_setEnabled (FALSE);
1914: }
1.116 cvs 1915: if (cache_dir)
1.211 cvs 1916: HT_FREE (cache_dir);
1.189 cvs 1917: if (real_dir)
1918: TtaFreeMemory (real_dir);
1.185 cvs 1919: /* warn the user if the cache isn't active */
1920: if (cache_enabled && !HTCacheMode_enabled ())
1.214 cvs 1921: InitInfo (TEXT("Cache"), TtaGetMessage (AMAYA, AM_CANT_CREATE_CACHE));
1.116 cvs 1922: #endif /* AMAYA_WWW_CACHE */
1.15 cvs 1923: }
1924:
1925: /*----------------------------------------------------------------------
1.97 cvs 1926: ProxyInit
1927: Reads any proxies settings which may be declared as environmental
1928: variables or in the thot.ini file. The former overrides the latter.
1929: ----------------------------------------------------------------------*/
1.118 cvs 1930: #ifdef __STDC__
1.97 cvs 1931: static void ProxyInit (void)
1.118 cvs 1932: #else
1933: static void ProxyInit ()
1934: #endif /* __STDC__ */
1.97 cvs 1935: {
1.233 cvs 1936: CHAR_T* strptr;
1.223 cvs 1937: char* name;
1938: ThotBool proxy_is_onlyproxy;
1.228 cvs 1939: char* tmp = NULL;
1.223 cvs 1940: char* strptrA;
1.97 cvs 1941:
1942: /* get the proxy settings from the thot.ini file */
1.203 cvs 1943: strptr = TtaGetEnvString ("HTTP_PROXY");
1.228 cvs 1944: if (strptr && *strptr)
1945: {
1.234 cvs 1946: tmp = (char*) TtaGetMemory (ustrlen (strptr) + 1);
1947: wc2iso_strcpy (tmp, strptr);
1.223 cvs 1948:
1.228 cvs 1949: /* does the proxy env string has an "http://" prefix? */
1.234 cvs 1950: if (!ustrncasecmp (strptr, TEXT("http://"), 7))
1.223 cvs 1951: HTProxy_add ("http", tmp);
1.228 cvs 1952: else
1953: {
1954: strptrA = (char*) TtaGetMemory (ustrlen (strptr) + 9);
1955: strcpy (strptrA, "http://");
1956: strcat (strptrA, tmp);
1957: HTProxy_add ("http", strptrA);
1958: TtaFreeMemory (strptrA);
1959: }
1960: TtaFreeMemory (tmp);
1961: }
1.216 cvs 1962:
1.97 cvs 1963: /* get the no_proxy settings from the thot.ini file */
1.212 cvs 1964: strptr = TtaGetEnvString ("PROXYDOMAIN");
1.228 cvs 1965: if (strptr && *strptr)
1966: {
1.234 cvs 1967: strptrA = (char*) TtaGetMemory (ustrlen (strptr) + 1);
1968: wc2iso_strcpy (strptrA, strptr);
1.228 cvs 1969: /* as HTNextField changes the ptr we pass as an argument, we'll
1970: work with another variable, so that we can free the strptrA
1971: block later on */
1972: tmp = strptrA;
1973: while ((name = HTNextField (&tmp)) != NULL)
1974: {
1975: char* portstr = strchr (name, ':');
1976: unsigned port=0;
1977: if (portstr) {
1978: *portstr++ = EOS;
1979: if (*portstr)
1980: port = (unsigned) atoi (portstr);
1981: }
1982: /* Register it for all access methods */
1983: HTNoProxy_add (name, NULL, port);
1984: }
1985: TtaFreeMemory (strptrA);
1986: }
1987:
1.212 cvs 1988: /* how should we interpret the proxy domain list? */
1989: TtaGetEnvBoolean ("PROXYDOMAIN_IS_ONLYPROXY", &proxy_is_onlyproxy);
1990: HTProxy_setNoProxyIsOnlyProxy (proxy_is_onlyproxy);
1991:
1992: /* use libwww's routine to get all proxy settings from the environment */
1.97 cvs 1993: HTProxy_getEnvVar ();
1994: }
1995:
1.207 cvs 1996: /*----------------------------------------------------------------------
1997: SafePut_init
1998: Sets up the domains which are authorized to make a redirect on
1999: a PUT.
2000: ----------------------------------------------------------------------*/
2001: #ifdef __STDC__
2002: static void SafePut_init (void)
2003: #else
2004: static void SafePut_init ()
2005: #endif /* __STDC__ */
2006: {
1.233 cvs 2007: CHAR_T* strptr;
2008: CHAR_T* str = NULL;
1.226 cvs 2009: char* ptr, *strptrA, *ptr2;
1.223 cvs 2010: char* domain;
1.207 cvs 2011:
2012: /* get the proxy settings from the thot.ini file */
2013: strptr = TtaGetEnvString ("SAFE_PUT_REDIRECT");
2014: if (strptr && *strptr)
2015: {
2016: /* Get copy we can mutilate */
1.234 cvs 2017: strptrA = (char*) TtaGetMemory (ustrlen (strptr) + 1);
2018: wc2iso_strcpy (strptrA, strptr);
1.226 cvs 2019: ptr2 = strptrA;
1.207 cvs 2020: /* convert to lowercase */
2021: ptr = strptrA;
2022: while (*ptr)
2023: {
2024: *ptr = tolower (*ptr);
2025: ptr++;
2026: }
2027:
2028: /* create the list container */
2029: safeput_list = HTList_new ();
2030: /* store the domain list */
1.227 cvs 2031:
2032: ptr = strptrA;
1.207 cvs 2033: while ((domain = HTNextField (&strptrA)) != NULL)
2034: HTList_addObject (safeput_list, TtaStrdup (domain));
2035:
2036: TtaFreeMemory (str);
1.226 cvs 2037: TtaFreeMemory (ptr2);
1.207 cvs 2038: }
2039: }
2040:
2041: /*----------------------------------------------------------------------
2042: SafePut_delete
2043: Deletes the safeput_list variable
2044: ----------------------------------------------------------------------*/
2045: static void SafePut_delete (void)
2046: {
2047: HTList *cur = safeput_list;
2048: char *domain;
2049:
2050: if (!safeput_list)
2051: return;
2052:
2053: while ((domain = (char *) HTList_nextObject (cur)))
2054: TtaFreeMemory (domain);
2055: HTList_delete (safeput_list);
2056: safeput_list = NULL;
2057: }
2058:
2059: /*----------------------------------------------------------------------
2060: SafePut_query
2061: returns true if the domain to which belongs the URL accepts an automatic
2062: PUT redirect.
2063: ----------------------------------------------------------------------*/
1.235 cvs 2064: static ThotBool SafePut_query (CHAR_T* url)
1.207 cvs 2065: {
1.235 cvs 2066: HTList* cur;
2067: char* me;
1.207 cvs 2068: ThotBool found;
1.235 cvs 2069: CHAR_T tmp[MAX_LENGTH];
1.207 cvs 2070:
2071: /* extract the domain path of the url and normalize it */
2072: /* domain = url; */
2073: cur = safeput_list;
2074: found = FALSE;
1.235 cvs 2075:
2076: while ((me = (char*) HTList_nextObject (cur))) {
2077: iso2wc_strcpy (tmp, me);
2078: if (ustrstr (url, tmp)) {
2079: found = TRUE;
2080: break;
2081: }
2082: }
1.207 cvs 2083:
2084: return (found);
2085: }
1.97 cvs 2086:
2087: /*----------------------------------------------------------------------
1.17 cvs 2088: AHTProfile_newAmaya
2089: creates the Amaya client profile for libwww.
1.15 cvs 2090: ----------------------------------------------------------------------*/
2091: #ifdef __STDC__
1.234 cvs 2092: static void AHTProfile_newAmaya (CHAR_T* AppName, CHAR_T* AppVersion)
1.15 cvs 2093: #else /* __STDC__ */
2094: static void AHTProfile_newAmaya (AppName, AppVersion)
1.223 cvs 2095: char* AppName;
2096: char* AppVersion;
1.15 cvs 2097: #endif /* __STDC__ */
1.4 cvs 2098: {
1.233 cvs 2099: CHAR_T* strptr;
1.234 cvs 2100: # ifdef _I18N_
2101: unsigned char mbAppName[MAX_LENGTH], mbAppVersion[MAX_LENGTH];
2102: # else /* !_I18N_ */
2103: char* mbAppName = AppName;
2104: char* mbAppVersion = AppVersion;
2105: # endif /* !_I18N_ */
1.158 cvs 2106:
1.4 cvs 2107: /* If the Library is not already initialized then do it */
1.234 cvs 2108: if (!HTLib_isInitialized ()) {
2109: # ifdef _I18N_
2110: /* Here we suppose that libwww works with multibyte character string (MBCS).
2111: AppName and AppVersion are wide character strings (WCS). The following
2112: code transform each of AppName and AppVersion (WCSs) int mbAppName and
2113: mbAppName (MBCSs).
2114: If the libwww will support WCSs, than you have to remove the code related
2115: to _I18N_ (rounded by #ifdef _I18N_ #endif) and pass to HTLibInit
2116: AppName instead of mbAppName and AppVersion instead of mbAppVersion */
2117: wcstombs (mbAppName, AppName, MAX_LENGTH);
2118: wcstombs (mbAppVersion, AppVersion, MAX_LENGTH);
2119: # endif /* _I18N_ */
2120: HTLibInit (mbAppName, mbAppVersion);
2121: }
1.4 cvs 2122:
2123: if (!converters)
2124: converters = HTList_new ();
1.27 cvs 2125: if (!acceptTypes)
2126: acceptTypes = HTList_new ();
1.193 cvs 2127: if (!acceptLanguages)
2128: acceptLanguages = HTList_new ();
1.151 cvs 2129: if (!transfer_encodings)
2130: transfer_encodings = HTList_new ();
2131: if (!content_encodings)
2132: content_encodings = HTList_new ();
1.4 cvs 2133:
1.169 cvs 2134: /* inhibits libwww's automatic file_suffix_binding */
2135: HTFile_doFileSuffixBinding (FALSE);
2136:
1.4 cvs 2137: /* Register the default set of transport protocols */
2138: HTTransportInit ();
2139:
2140: /* Register the default set of application protocol modules */
2141: AHTProtocolInit ();
2142:
1.116 cvs 2143: /* Register the default set of messages and dialog functions */
2144: AHTAlertInit ();
2145: HTAlert_setInteractive (YES);
2146:
2147: #ifdef AMAYA_WWW_CACHE
2148: /* Enable the persistent cache */
2149: CacheInit ();
2150: #else
2151: HTCacheMode_setEnabled (NO);
2152: #endif /* AMAYA_WWW_CACHE */
1.4 cvs 2153:
2154: /* Register the default set of BEFORE and AFTER filters */
2155: AHTNetInit ();
2156:
2157: /* Set up the default set of Authentication schemes */
1.223 cvs 2158: HTAA_newModule ("basic", HTBasic_generate, HTBasic_parse, NULL, HTBasic_delete);
1.158 cvs 2159: /* activate MDA by defaul */
1.203 cvs 2160: strptr = TtaGetEnvString ("ENABLE_MDA");
1.234 cvs 2161: if (!strptr || (strptr && *strptr && ustrcasecmp (strptr, TEXT("no"))))
1.223 cvs 2162: HTAA_newModule ("digest", HTDigest_generate, HTDigest_parse, HTDigest_updateInfo, HTDigest_delete);
1.4 cvs 2163:
1.97 cvs 2164: /* Get any proxy settings */
2165: ProxyInit ();
1.4 cvs 2166:
1.207 cvs 2167: /* Set up the domains where we accept a redirect on PUT */
2168: SafePut_init ();
2169:
1.4 cvs 2170: /* Register the default set of converters */
2171: AHTConverterInit (converters);
1.151 cvs 2172: HTFormat_setConversion (converters);
1.27 cvs 2173: AHTAcceptTypesInit (acceptTypes);
1.193 cvs 2174: AHTAcceptLanguagesInit (acceptLanguages);
1.4 cvs 2175:
2176: /* Register the default set of transfer encoders and decoders */
1.151 cvs 2177: HTTransferEncoderInit (transfer_encodings);
1.190 cvs 2178: HTFormat_setTransferCoding (transfer_encodings);
2179: /* Register the default set of content encoders and decoders */
2180: HTContentEncoderInit (content_encodings);
2181: /* ignore all other encoding formats (or libwww will send them
1.181 cvs 2182: thru a blackhole otherwise */
2183: HTCoding_add (content_encodings, "*", NULL, HTIdentityCoding, 1.0);
1.151 cvs 2184: if (HTList_count(content_encodings) > 0)
2185: HTFormat_setContentCoding(content_encodings);
2186: else
2187: {
2188: HTList_delete(content_encodings);
2189: content_encodings = NULL;
2190: }
1.4 cvs 2191:
2192: /* Register the default set of MIME header parsers */
1.74 cvs 2193: HTMIMEInit (); /* must be called again for language selector */
1.4 cvs 2194:
2195: /* Register the default set of Icons for directory listings */
1.27 cvs 2196: /*HTIconInit(NULL); *//* experimental */
1.4 cvs 2197: }
2198:
1.5 cvs 2199: /*----------------------------------------------------------------------
1.17 cvs 2200: AHTProfile_delete
2201: deletes the Amaya client profile.
1.5 cvs 2202: ----------------------------------------------------------------------*/
1.4 cvs 2203: #ifdef __STDC__
2204: static void AHTProfile_delete (void)
2205: #else
2206: static void AHTProfile_delete ()
1.7 cvs 2207: #endif /* __STDC__ */
1.4 cvs 2208: {
1.22 cvs 2209:
2210: /* free the Amaya global context */
1.151 cvs 2211:
2212: /* Clean up all the registred converters */
2213: HTFormat_deleteAll ();
2214: if (acceptTypes)
1.74 cvs 2215: HTConversion_deleteAll (acceptTypes);
1.193 cvs 2216: if (acceptLanguages)
2217: HTLanguage_deleteAll (acceptLanguages);
1.151 cvs 2218:
1.209 cvs 2219: StopAllRequests (1);
1.74 cvs 2220: HTList_delete (Amaya->docid_status);
2221: HTList_delete (Amaya->reqlist);
2222: TtaFreeMemory (Amaya);
1.61 cvs 2223:
1.120 cvs 2224: #ifdef _WINDOWS
1.209 cvs 2225: if (HTLib_isInitialized ())
1.151 cvs 2226: HTEventTerminate ();
1.198 cvs 2227: #endif /* _WINDOWS; */
1.74 cvs 2228:
1.151 cvs 2229: /* Clean up the persistent cache (if any) */
1.116 cvs 2230: #ifdef AMAYA_WWW_CACHE
1.151 cvs 2231: clear_cachelock ();
2232: HTCacheTerminate ();
1.116 cvs 2233: #endif /* AMAYA_WWW_CACHE */
1.217 cvs 2234:
1.218 cvs 2235: /* call remove functions that are not called automatically by libwww */
2236: HTNetCall_deleteBeforeAll (HTNet_before ());
2237: HTNetCall_deleteAfterAll (HTNet_after ());
2238: HTAA_deleteAllModules ();
2239: HTAlertCall_deleteAll (HTAlert_global () );
2240: HTAlert_setGlobal ((HTList *) NULL);
2241: /* these two functions are broken, so we can't call them right now
2242: HTHeader_deleteAll ();
2243: HTTimer_deleteAll ();
2244: */
2245: HTTransport_deleteAll ();
1.217 cvs 2246: /* remove bindings between suffixes, media types*/
2247: HTBind_deleteAll ();
1.151 cvs 2248: /* Terminate libwww */
2249: HTLibTerminate ();
1.4 cvs 2250: }
2251:
1.5 cvs 2252: /*----------------------------------------------------------------------
1.116 cvs 2253: AmayacontextInit
2254: initializes an internal Amaya context for our libwww interface
2255: ----------------------------------------------------------------------*/
2256: #ifdef __STDC__
2257: static void AmayaContextInit ()
2258: #else
2259: static void AmayaContextInit ()
2260: #endif
2261:
2262: {
1.140 cvs 2263: AmayaAlive_flag = TRUE;
1.116 cvs 2264: /* Initialization of the global context */
2265: Amaya = (AmayaContext *) TtaGetMemory (sizeof (AmayaContext));
2266: Amaya->reqlist = HTList_new ();
2267: Amaya->docid_status = HTList_new ();
2268: Amaya->open_requests = 0;
2269: }
2270:
2271: /*----------------------------------------------------------------------
1.17 cvs 2272: QueryInit
2273: initializes the libwww interface
1.5 cvs 2274: ----------------------------------------------------------------------*/
1.4 cvs 2275: #ifdef __STDC__
2276: void QueryInit ()
2277: #else
2278: void QueryInit ()
2279: #endif
2280: {
1.233 cvs 2281: CHAR_T* strptr;
1.151 cvs 2282: int tmp_i;
2283: long tmp_l;
1.4 cvs 2284:
1.116 cvs 2285: AmayaContextInit ();
1.4 cvs 2286: AHTProfile_newAmaya (HTAppName, HTAppVersion);
1.140 cvs 2287: CanDoStop_set (TRUE);
1.214 cvs 2288: UserAborted_flag = FALSE;
1.4 cvs 2289:
1.116 cvs 2290: #ifdef _WINDOWS
1.125 cvs 2291: HTEventInit ();
1.116 cvs 2292: #endif /* _WINDOWS */
1.72 cvs 2293:
1.123 cvs 2294: #ifndef _WINDOWS
1.116 cvs 2295: HTEvent_setRegisterCallback ((void *) AHTEvent_register);
2296: HTEvent_setUnregisterCallback ((void *) AHTEvent_unregister);
1.202 cvs 2297: #ifndef _GTK
1.120 cvs 2298: HTTimer_registerSetTimerCallback ((void *) AMAYA_SetTimer);
2299: HTTimer_registerDeleteTimerCallback ((void *) AMAYA_DeleteTimer);
1.202 cvs 2300: #endif /* _GTK */
1.116 cvs 2301: #endif /* !_WINDOWS */
1.190 cvs 2302:
1.213 cvs 2303: #ifdef HTDEBUG
2304: /* an undocumented option for being able to generate an HTTP protocol trace */
1.208 cvs 2305: strptr = TtaGetEnvString ("ENABLE_LIBWWW_DEBUG");
2306: if (strptr && *strptr)
2307: WWW_TraceFlag = SHOW_PROTOCOL_TRACE;
2308: else
2309: WWW_TraceFlag = 0;
1.213 cvs 2310: #endif /* HTDEBUG */
1.208 cvs 2311:
1.74 cvs 2312: #ifdef DEBUG_LIBWWW
1.116 cvs 2313: /* forwards error messages to our own function */
2314: WWW_TraceFlag = THD_TRACE;
1.138 cvs 2315: HTTrace_setCallback(LineTrace);
1.4 cvs 2316: /* Trace activation (for debugging) */
1.148 cvs 2317: /***
1.138 cvs 2318: WWW_TraceFlag = SHOW_CORE_TRACE | SHOW_THREAD_TRACE | SHOW_PROTOCOL_TRACE;
2319: WWW_TraceFlag |= 0xFFFFFFFFl;
2320: ***/
1.152 cvs 2321: #endif
2322:
1.148 cvs 2323: /* Setting up different network parameters */
1.151 cvs 2324:
1.148 cvs 2325: /* Maximum number of simultaneous open sockets */
1.203 cvs 2326: strptr = TtaGetEnvString ("MAX_SOCKET");
1.151 cvs 2327: if (strptr && *strptr)
1.233 cvs 2328: tmp_i = wctoi (strptr);
1.151 cvs 2329: else
2330: tmp_i = DEFAULT_MAX_SOCKET;
2331: HTNet_setMaxSocket (tmp_i);
2332:
1.148 cvs 2333: /* different network services timeouts */
1.151 cvs 2334: /* dns timeout */
1.203 cvs 2335: strptr = TtaGetEnvString ("DNS_TIMEOUT");
1.151 cvs 2336: if (strptr && *strptr)
1.233 cvs 2337: tmp_i = wctoi (strptr);
1.151 cvs 2338: else
2339: tmp_i = DEFAULT_DNS_TIMEOUT;
2340: HTDNS_setTimeout (tmp_i);
2341:
2342: /* persistent connections timeout */
1.203 cvs 2343: strptr = TtaGetEnvString ("PERSIST_CX_TIMEOUT");
1.151 cvs 2344: if (strptr && *strptr)
1.223 cvs 2345: tmp_l = uctol (strptr);
1.151 cvs 2346: else
2347: tmp_l = DEFAULT_PERSIST_TIMEOUT;
2348: HTHost_setPersistTimeout (tmp_l);
2349:
1.148 cvs 2350: /* default timeout in ms */
1.203 cvs 2351: strptr = TtaGetEnvString ("NET_EVENT_TIMEOUT");
1.151 cvs 2352: if (strptr && *strptr)
1.233 cvs 2353: tmp_i = wctoi (strptr);
1.151 cvs 2354: else
2355: tmp_i = DEFAULT_NET_EVENT_TIMEOUT;
2356: HTHost_setEventTimeout (tmp_i);
2357:
1.173 cvs 2358: HTRequest_setMaxRetry (8);
1.4 cvs 2359: #ifdef CATCH_SIG
1.148 cvs 2360: signal (SIGPIPE, SIG_IGN);
1.4 cvs 2361: #endif
1.15 cvs 2362: }
2363:
2364: /*----------------------------------------------------------------------
1.17 cvs 2365: LoopForStop
1.136 cvs 2366: a copy of the Thop event loop so we can handle the stop button in Unix
2367: and preemptive requests under Windows
1.15 cvs 2368: ----------------------------------------------------------------------*/
2369: #ifdef __STDC__
2370: static int LoopForStop (AHTReqContext * me)
2371: #else
2372: static int LoopForStop (AHTReqContext * me)
2373: #endif
2374: {
1.136 cvs 2375: #ifdef _WINDOWS
2376: MSG msg;
2377: unsigned long libwww_msg;
2378: HWND old_active_window, libwww_window;
2379: int status_req = HT_OK;
2380:
2381: old_active_window = GetActiveWindow ();
2382: libwww_window = HTEventList_getWinHandle (&libwww_msg);
1.137 cvs 2383:
1.149 cvs 2384: while (me->reqStatus != HT_END && me->reqStatus != HT_ERR
2385: && me->reqStatus != HT_ABORT && AmayaIsAlive () &&
2386: GetMessage (&msg, NULL, 0, 0))
2387: {
2388: if (msg.message != WM_QUIT)
2389: {
2390: TranslateMessage (&msg);
2391: DispatchMessage (&msg);
2392: }
2393: else
2394: break;
2395: }
1.136 cvs 2396: if (!AmayaIsAlive ())
2397: /* Amaya was killed by one of the callback handlers */
2398: exit (0);
2399: #else /* _WINDOWS */
1.25 cvs 2400: extern ThotAppContext app_cont;
1.51 cvs 2401: XEvent ev;
2402: XtInputMask status;
1.17 cvs 2403: int status_req = HT_OK;
1.15 cvs 2404:
2405: /* to test the async calls */
1.17 cvs 2406: /* Loop while waiting for new events, exists when the request is over */
1.15 cvs 2407: while (me->reqStatus != HT_ABORT &&
2408: me->reqStatus != HT_END &&
1.69 cvs 2409: me->reqStatus != HT_ERR) {
1.116 cvs 2410: if (!AmayaIsAlive ())
1.69 cvs 2411: /* Amaya was killed by one of the callback handlers */
2412: exit (0);
2413:
2414: status = XtAppPending (app_cont);
1.144 cvs 2415: if (status & XtIMXEvent)
2416: {
2417: XtAppNextEvent (app_cont, &ev);
2418: TtaHandleOneEvent (&ev);
2419: }
2420: else if (status != 0)
2421: XtAppProcessEvent (app_cont, XtIMAll);
1.69 cvs 2422: }
1.136 cvs 2423: #endif /* _WINDOWS */
1.69 cvs 2424: switch (me->reqStatus) {
2425: case HT_ERR:
2426: case HT_ABORT:
1.130 cvs 2427: status_req = NO;
1.15 cvs 2428: break;
2429:
1.69 cvs 2430: case HT_END:
1.130 cvs 2431: status_req = YES;
1.15 cvs 2432: break;
2433:
1.69 cvs 2434: default:
1.15 cvs 2435: break;
1.69 cvs 2436: }
1.15 cvs 2437: return (status_req);
1.4 cvs 2438: }
2439:
1.5 cvs 2440: /*----------------------------------------------------------------------
1.15 cvs 2441: QueryClose
1.21 cvs 2442: closes all existing threads, frees all non-automatically deallocated
2443: memory and then ends libwww.
1.5 cvs 2444: ----------------------------------------------------------------------*/
1.116 cvs 2445: void QueryClose ()
1.4 cvs 2446: {
1.24 cvs 2447:
1.140 cvs 2448: AmayaAlive_flag = FALSE;
1.24 cvs 2449:
1.116 cvs 2450: /* remove all the handlers and callbacks that may output a message to
2451: a non-existent Amaya window */
2452: HTEvent_setRegisterCallback ((HTEvent_registerCallback *) NULL);
2453: HTEvent_setUnregisterCallback ((HTEvent_unregisterCallback *) NULL);
2454: #ifndef _WINDOWS
2455: /** need to erase all existing timers too **/
2456: HTTimer_registerSetTimerCallback (NULL);
2457: HTTimer_registerDeleteTimerCallback (NULL);
2458: #endif /* !_WINDOWS */
2459: HTHost_setActivateRequestCallback (NULL);
2460: Thread_deleteAll ();
1.21 cvs 2461:
1.116 cvs 2462: HTProxy_deleteAll ();
2463: HTNoProxy_deleteAll ();
1.207 cvs 2464: SafePut_delete ();
1.116 cvs 2465: HTGateway_deleteAll ();
2466: AHTProfile_delete ();
2467: }
2468:
2469: /*----------------------------------------------------------------------
2470: NextNameValue
2471: ---------------------------------------------------------------------*/
2472: #ifdef __STDC__
2473: static char * NextNameValue (char ** pstr, char **name, char **value)
2474: #else
2475: static char * NextNameValue (pstr, name, value);
2476: char ** pstr;
2477: char **name;
2478: char **value;
2479: #endif /* __STDC__ */
2480: {
2481: char * p = *pstr;
2482: char * start = NULL;
2483: if (!pstr || !*pstr) return NULL;
2484:
2485: if (!*p) {
2486: *pstr = p;
2487: *name = NULL;
2488: *value = NULL;
2489: return NULL; /* No field */
2490: }
2491:
2492: /* Now search for the next '&' and ';' delimitators */
2493: start = p;
2494: while (*p && *p != '&' && *p != ';') p++;
2495: if (*p)
2496: *p++ = '\0';
2497: *pstr = p;
2498:
2499: /* Search for the name and value */
2500: *name = start;
2501: p = start;
2502:
2503: while(*p && *p != '=')
2504: p++;
2505: if (*p)
2506: *p++ = '\0';
2507: *value = p;
2508:
2509: return start;
2510: }
2511:
2512: /*----------------------------------------------------------------------
2513: PrepareFormdata
2514: ---------------------------------------------------------------------*/
2515: #ifdef __STDC__
1.236 cvs 2516: static HTAssocList * PrepareFormdata (CHAR_T* string)
1.116 cvs 2517: #else
1.236 cvs 2518: static HTAssocList * PrepareFormdata (string)
2519: CHAR_T* string;
1.116 cvs 2520: #endif /* __STDC__ */
2521: {
1.198 cvs 2522: char* tmp_string, *tmp_string_ptr;
2523: char* name;
2524: char* value;
2525: HTAssocList* formdata;
1.116 cvs 2526:
2527: if (!string)
2528: return NULL;
2529:
2530: /* store the ptr in another variable, as the original address will
2531: change
2532: */
1.236 cvs 2533:
2534: tmp_string_ptr = TtaGetMemory (ustrlen (string) + 1);
2535: tmp_string = tmp_string_ptr;
2536: wc2iso_strcpy (tmp_string_ptr, string);
1.116 cvs 2537: formdata = HTAssocList_new();
2538:
2539: while (*tmp_string)
2540: {
2541: NextNameValue (&tmp_string, &name, &value);
2542: HTAssocList_addObject(formdata,
2543: name, value);
2544: }
2545:
2546: TtaFreeMemory (tmp_string_ptr);
2547: return formdata;
1.4 cvs 2548: }
2549:
1.236 cvs 2550: /*----------------------------------------------------------------------
2551: ---------------------------------------------------------------------*/
1.216 cvs 2552: #ifdef __STDC__
2553: void AHTRequest_setCustomAcceptHeader (HTRequest *request, char *value)
2554: #else
2555: void AHTRequest_setCustomAcceptHeader (request, value)
2556: HTRequest *request;
2557: char *value;
2558: #endif /* __STDC__ */
2559: {
2560: HTRqHd rqhd = HTRequest_rqHd (request);
2561: rqhd = rqhd & (~HT_C_ACCEPT_TYPE);
2562: HTRequest_setRqHd (request, rqhd);
1.221 cvs 2563: HTRequest_addExtraHeader (request, "Accept", value);
1.216 cvs 2564: }
2565:
1.228 cvs 2566: /*----------------------------------------------------------------------
1.229 cvs 2567: QGetFileSize
1.228 cvs 2568: Returns 0 and the filesize in the 2nd parameter.
2569: Otherwise, returns -1.
2570: ---------------------------------------------------------------------*/
2571:
2572: #ifdef __STDC__
1.234 cvs 2573: static ThotBool QGetFileSize (CHAR_T* fileName, unsigned long *file_size)
1.228 cvs 2574: #else
1.229 cvs 2575: static ThotBool QGetFileSize (fileName, file_size)
1.234 cvs 2576: CHAR_T* fileName;
2577: unsigned long* file_size;
1.228 cvs 2578: #endif /* __STDC__ */
2579: {
2580: int fd;
2581: struct stat file_stat;
2582:
2583: if (!TtaFileExist (fileName))
2584: return -1;
2585:
2586: /* verify the file's size */
2587: #ifndef _WINDOWS
1.234 cvs 2588: if ((fd = uopen (fileName, O_RDONLY)) == -1)
1.228 cvs 2589: #else
2590: if ((fd = uopen (fileName, _O_RDONLY | _O_BINARY)) == -1)
2591: #endif /* _WINDOWS */
2592: {
2593: /* if we could not open the file, exit */
2594: /*error msg here */
2595: return (-1);
2596: }
2597:
2598: fstat (fd, &file_stat);
2599:
2600: #ifdef _WINDOWS
2601: _close (fd);
2602: #else /* _WINDOWS */
2603: close (fd);
2604: #endif /* _WINDOWS */
2605:
2606: *file_size = (unsigned long) file_stat.st_size;
2607:
2608: return 0;
2609: }
1.99 cvs 2610:
2611: /*----------------------------------------------------------------------
2612: InvokeGetObjectWWW_callback
2613: A simple function to invoke a callback function whenever there's an error
2614: in GetObjectWWW
2615: ---------------------------------------------------------------------*/
2616:
1.116 cvs 2617: #ifdef __STDC__
1.198 cvs 2618: void InvokeGetObjectWWW_callback (int docid, STRING urlName, STRING outputfile, TTcbf *terminate_cbf, void *context_tcbf, int status)
1.99 cvs 2619: #else
1.111 cvs 2620: void InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf, context_tcbf, status)
1.99 cvs 2621: int docid;
1.198 cvs 2622: STRING urlName;
2623: STRING outputfile;
1.99 cvs 2624: TTcbf *terminate_cbf;
2625: void *context_tcbf;
1.116 cvs 2626: #endif /* __STDC__ */
1.99 cvs 2627: {
2628: if (!terminate_cbf)
2629: return;
2630:
1.116 cvs 2631: (*terminate_cbf) (docid, status, urlName, outputfile,
1.99 cvs 2632: NULL, context_tcbf);
2633: }
2634:
2635:
2636:
1.5 cvs 2637: /*----------------------------------------------------------------------
1.15 cvs 2638: GetObjectWWW
1.17 cvs 2639: this function requests a resource designated by a URLname into a
2640: temporary filename. The download can come from a simple GET operation,
2641: or can come from POSTING/GETTING a form. In the latter
2642: case, the function receives a query string to send to the server.
2643:
1.5 cvs 2644: 4 file retrieval modes are proposed:
2645: AMAYA_SYNC : blocking mode
2646: AMAYA_ISYNC : incremental, blocking mode
2647: AMAYA_ASYNC : non-blocking mode
2648: AMAYA_IASYNC : incremental, non-blocking mode
2649:
2650: In the incremental mode, each time a package arrives, it will be
2651: stored in the temporary file. In addition, if an
2652: incremental_callback function is defined, this function will be
2653: called and handled a copy of the newly received data package.
2654: Finally, if a terminate_callback function is defined, it will be
2655: invoked when the request terminates. The caller of this function
1.4 cvs 2656: can define two different contexts to be passed to the callback
2657: functions.
2658:
2659: When the function is called with the SYNC mode, the function will
2660: return only when the requested file has been loaded.
2661: The ASYNC mode will immediately return after setting up the
2662: call.
2663:
2664: Notes:
2665: At the end of a succesful request, the urlName string contains the
2666: name of the actually retrieved URL. As a URL can change over the time,
2667: (e.g., be redirected elsewhere), it is advised that the function
1.17 cvs 2668: caller verify the value of the urlName variable at the end of
1.4 cvs 2669: a request.
2670:
2671: Inputs:
2672: - docid Document identifier for the set of objects being
2673: retrieved.
2674: - urlName The URL to be retrieved (MAX_URL_LENGTH chars length)
2675: - outputfile A pointer to an empty string of MAX_URL_LENGTH.
2676: - mode The retrieval mode.
2677: - incremental_cbf
2678: - context_icbf
2679: Callback and context for the incremental modes
2680: - terminate_cbf
2681: - context_icbf
2682: Callback and context for a terminate handler
1.17 cvs 2683: -error_html if TRUE, then display any server error message as an
2684: HTML document.
1.88 cvs 2685: - content_type a string
2686:
1.4 cvs 2687: Outputs:
2688: - urlName The URL that was retrieved
2689: - outputfile The name of the temporary file which holds the
2690: retrieved data. (Only in case of success)
1.88 cvs 2691: - if content_type wasn't NULL, it will contain a copy of the parameter
2692: sent in the HTTP answer
1.4 cvs 2693: Returns:
2694: HT_ERROR
2695: HT_OK
1.5 cvs 2696:
2697: ----------------------------------------------------------------------*/
1.4 cvs 2698: #ifdef __STDC__
1.198 cvs 2699: int GetObjectWWW (int docid, STRING urlName, STRING formdata,
2700: STRING outputfile, int mode, TIcbf* incremental_cbf,
1.116 cvs 2701: void* context_icbf, TTcbf* terminate_cbf,
1.198 cvs 2702: void* context_tcbf, ThotBool error_html, STRING content_type)
1.4 cvs 2703: #else
1.127 cvs 2704: int GetObjectWWW (docid, urlName, formdata, outputfile, mode,
1.116 cvs 2705: incremental_cbf, context_icbf,
1.88 cvs 2706: terminate_cbf, context_tcbf, error_html, content_type)
1.73 cvs 2707: int docid;
1.235 cvs 2708: CHAR_T* urlName;
2709: CHAR_T* formdata;
2710: CHAR_T* outputfile;
1.73 cvs 2711: int mode;
2712: TIcbf *incremental_cbf;
2713: void *context_icbf;
2714: TTcbf *terminate_cbf;
2715: void *context_tcbf;
1.191 cvs 2716: ThotBool error_html;
1.235 cvs 2717: CHAR_T* content_type;
1.4 cvs 2718: #endif
2719: {
2720: AHTReqContext *me;
1.235 cvs 2721: CHAR_T* ref;
2722: CHAR_T* esc_url;
2723: char urlRef[MAX_LENGTH];
1.107 cvs 2724: int status, l;
1.114 cvs 2725: int tempsubdir;
1.191 cvs 2726: ThotBool bool_tmp;
1.7 cvs 2727:
1.116 cvs 2728: if (urlName == NULL || docid == 0 || outputfile == NULL)
2729: {
2730: /* no file to be loaded */
2731: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.69 cvs 2732:
1.116 cvs 2733: if (error_html)
1.69 cvs 2734: /* so we can show the error message */
2735: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2736: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2737: context_tcbf, HT_ERROR);
2738: return HT_ERROR;
2739: }
1.7 cvs 2740:
1.159 cvs 2741: /* if it's a 'docImage', we have already downloaded it */
1.198 cvs 2742: if (!ustrncmp (TEXT("internal:"), urlName, 9))
1.159 cvs 2743: {
1.198 cvs 2744: ustrcpy (outputfile, urlName);
1.159 cvs 2745: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
2746: terminate_cbf, context_tcbf, HT_OK);
2747: return HT_OK;
2748: }
2749:
1.4 cvs 2750: /* do we support this protocol? */
1.116 cvs 2751: if (IsValidProtocol (urlName) == NO)
2752: {
2753: /* return error */
2754: outputfile[0] = EOS; /* file could not be opened */
2755: TtaSetStatus (docid, 1,
2756: TtaGetMessage (AMAYA, AM_GET_UNSUPPORTED_PROTOCOL),
2757: urlName);
2758:
2759: if (error_html)
1.69 cvs 2760: /* so we can show the error message */
2761: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.116 cvs 2762: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2763: context_tcbf, HT_ERROR);
2764: return HT_ERROR;
2765: }
1.4 cvs 2766:
1.114 cvs 2767: /* we store CSS in subdir named 0; all the other files go to a subidr
2768: named after their own docid */
2769:
2770: tempsubdir = (mode & AMAYA_LOAD_CSS) ? 0 : docid;
2771:
1.116 cvs 2772: /* create a tempfilename */
1.198 cvs 2773: usprintf (outputfile, TEXT("%s%c%d%c%04dAM"), TempFileDirectory, DIR_SEP, tempsubdir, DIR_SEP, object_counter);
1.116 cvs 2774: /* update the object_counter (used for the tempfilename) */
1.4 cvs 2775: object_counter++;
1.116 cvs 2776:
1.4 cvs 2777: /* normalize the URL */
1.206 cvs 2778: esc_url = EscapeURL (urlName);
2779: if (esc_url)
2780: {
1.233 cvs 2781: ref = AmayaParseUrl (esc_url, TEXT(""), AMAYA_PARSE_ALL);
1.206 cvs 2782: TtaFreeMemory (esc_url);
2783: }
2784: else
2785: ref = NULL;
2786:
1.4 cvs 2787: /* should we abort the request if we could not normalize the url? */
1.198 cvs 2788: if (ref == NULL || ref[0] == EOS) {
1.69 cvs 2789: /*error */
2790: outputfile[0] = EOS;
2791: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_BAD_URL), urlName);
1.214 cvs 2792: if (ref)
2793: TtaFreeMemory (ref);
1.69 cvs 2794: if (error_html)
1.116 cvs 2795: /* so we can show the error message */
2796: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
1.99 cvs 2797: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
1.116 cvs 2798: context_tcbf, HT_ERROR);
1.69 cvs 2799: return HT_ERROR;
2800: }
1.116 cvs 2801:
1.4 cvs 2802: /* verify if that file name existed */
1.9 cvs 2803: if (TtaFileExist (outputfile))
1.77 cvs 2804: TtaFileUnlink (outputfile);
1.116 cvs 2805:
1.4 cvs 2806: /* Initialize the request structure */
2807: me = AHTReqContext_new (docid);
1.116 cvs 2808: if (me == NULL)
2809: {
2810: outputfile[0] = EOS;
2811: /* need an error message here */
2812: TtaFreeMemory (ref);
2813: InvokeGetObjectWWW_callback (docid, urlName, outputfile, terminate_cbf,
2814: context_tcbf, HT_ERROR);
2815: return HT_ERROR;
2816: }
2817:
1.4 cvs 2818: /* Specific initializations for POST and GET */
1.222 cvs 2819: if (mode & AMAYA_FORM_POST
1.228 cvs 2820: || mode & AMAYA_FILE_POST)
1.116 cvs 2821: {
2822: me->method = METHOD_POST;
2823: HTRequest_setMethod (me->request, METHOD_POST);
2824: }
2825: else
2826: {
2827: me->method = METHOD_GET;
2828: if (!HasKnownFileSuffix (ref))
1.216 cvs 2829: {
2830: /* try to adjust the Accept header in an netwise economical way */
2831: if (mode & AMAYA_LOAD_IMAGE)
2832: AHTRequest_setCustomAcceptHeader (me->request, IMAGE_ACCEPT_NEGOTIATION);
2833: else if (mode & AMAYA_LOAD_CSS)
2834: AHTRequest_setCustomAcceptHeader (me->request, "*/*;q=0.1,css/*");
2835: /*
2836: HTRequest_setConversion(me->request, acceptTypes, TRUE);
2837: */
2838: }
2839: HTRequest_setLanguage (me->request, acceptLanguages, TRUE);
1.116 cvs 2840: }
1.93 cvs 2841:
1.116 cvs 2842: /* Common initialization for all HTML methods */
1.4 cvs 2843: me->mode = mode;
2844: me->error_html = error_html;
2845: me->incremental_cbf = incremental_cbf;
2846: me->context_icbf = context_icbf;
2847: me->terminate_cbf = terminate_cbf;
2848: me->context_tcbf = context_tcbf;
1.64 cvs 2849:
1.69 cvs 2850: /* for the async. request modes, we need to have our
1.4 cvs 2851: own copy of outputfile and urlname
1.116 cvs 2852: */
1.4 cvs 2853:
1.116 cvs 2854: if ((mode & AMAYA_ASYNC) || (mode & AMAYA_IASYNC))
2855: {
1.198 cvs 2856: l = ustrlen (outputfile);
1.116 cvs 2857: if (l > MAX_LENGTH)
1.237 ! cvs 2858: me->outputfile = TtaAllocString (l + 2);
1.116 cvs 2859: else
1.237 ! cvs 2860: me->outputfile = TtaAllocString (MAX_LENGTH + 2);
1.234 cvs 2861: ustrcpy (me->outputfile, outputfile);
1.198 cvs 2862: l = ustrlen (urlName);
1.116 cvs 2863: if (l > MAX_LENGTH)
1.237 ! cvs 2864: me->urlName = TtaAllocString (l + 2);
1.116 cvs 2865: else
1.237 ! cvs 2866: me->urlName = TtaAllocString (MAX_LENGTH + 2);
1.234 cvs 2867: ustrcpy (me->urlName, urlName);
1.116 cvs 2868: #ifdef _WINDOWS
2869: /* force windows ASYNC requests to always be non preemptive */
2870: HTRequest_setPreemptive (me->request, NO);
2871: #endif /*_WINDOWS */
2872: } /* AMAYA_ASYNC mode */
2873: else
2874: #ifdef _WINDOWS
2875: {
1.233 cvs 2876: me->outputfile = outputfile;
2877: me->urlName = urlName;
1.116 cvs 2878: /* force windows SYNC requests to always be non preemptive */
2879: HTRequest_setPreemptive (me->request, YES);
2880: }
2881: #else /* !_WINDOWS */
2882: {
2883: me->outputfile = outputfile;
2884: me->urlName = urlName;
2885: }
2886: /***
1.136 cvs 2887: In order to take into account the stop button,
2888: the requests will be always asynchronous, however, if mode=AMAYA_SYNC,
1.57 cvs 2889: we will loop until the document has been received or a stop signal
2890: generated
1.77 cvs 2891: ****/
1.116 cvs 2892: HTRequest_setPreemptive (me->request, NO);
2893: #endif /* _WINDOWS */
1.61 cvs 2894:
1.151 cvs 2895: /*
2896: ** Make sure that the first request is flushed immediately and not
2897: ** buffered in the output buffer
2898: */
2899: if (mode & AMAYA_FLUSH_REQUEST)
2900: HTRequest_setFlush(me->request, YES);
2901: HTRequest_setFlush(me->request, YES);
2902:
1.61 cvs 2903: /* prepare the URLname that will be displayed in teh status bar */
2904: ChopURL (me->status_urlName, me->urlName);
1.77 cvs 2905: TtaSetStatus (me->docid, 1,
2906: TtaGetMessage (AMAYA, AM_FETCHING),
1.233 cvs 2907: me->status_urlName);
1.4 cvs 2908:
1.235 cvs 2909: wc2iso_strcpy (urlRef, ref);
2910: me->anchor = (HTParentAnchor *) HTAnchor_findAddress (urlRef);
1.45 cvs 2911: TtaFreeMemory (ref);
1.177 cvs 2912:
1.223 cvs 2913: TtaGetEnvBoolean ("CACHE_DISCONNECTED_MODE", &bool_tmp);
1.177 cvs 2914: if (!bool_tmp && (mode & AMAYA_NOCACHE))
1.116 cvs 2915: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
2916:
2917: /* prepare the query string and format for POST */
2918: if (mode & AMAYA_FORM_POST)
1.114 cvs 2919: {
1.116 cvs 2920: HTAnchor_setFormat ((HTParentAnchor *) me->anchor,
2921: HTAtom_for ("application/x-www-form-urlencoded"));
2922: HTAnchor_setLength ((HTParentAnchor *) me->anchor, me->block_size);
2923: HTRequest_setEntityAnchor (me->request, me->anchor);
2924: }
1.114 cvs 2925:
1.127 cvs 2926: /* create the formdata element for libwww */
1.236 cvs 2927: if (formdata && ! (mode & AMAYA_FILE_POST))
2928: me->formdata = PrepareFormdata (formdata);
1.127 cvs 2929:
1.116 cvs 2930: /* do the request */
2931: if (mode & AMAYA_FORM_POST)
1.119 cvs 2932: {
1.191 cvs 2933: /* this call doesn't give back a ThotBool */
1.119 cvs 2934: HTParentAnchor * posted = NULL;
2935:
2936: posted = HTPostFormAnchor (me->formdata, (HTAnchor *) me->anchor,
2937: me->request);
2938: status = posted ? YES : NO;
2939: }
1.222 cvs 2940: #ifdef ANNOTATIONS
1.228 cvs 2941: if (mode & AMAYA_FILE_POST)
1.222 cvs 2942: {
1.228 cvs 2943: unsigned long filesize;
2944: char *fileURL;
2945:
2946: /* @@@ a very ugly patch :)))
2947: I'm copying here some of the functionality I use in the PUT
2948: I need to put the common parts in another module */
1.233 cvs 2949: QGetFileSize (formdata, &filesize);
1.228 cvs 2950: filesize = filesize + strlen ("w3c_annotate=");
2951: me->block_size = filesize;
2952:
1.233 cvs 2953: fileURL = HTParse (formdata, "file:/", PARSE_ALL);
1.228 cvs 2954: me->source = HTAnchor_findAddress (fileURL);
2955: HT_FREE (fileURL);
1.222 cvs 2956:
1.228 cvs 2957: /* hardcoded ... */
2958: AHTRequest_setCustomAcceptHeader (me->request, "application/xml");
1.222 cvs 2959: HTAnchor_setFormat (HTAnchor_parent (me->source),
2960: HTAtom_for ("application/xml"));
1.228 cvs 2961: HTAnchor_setFormat (me->anchor,
2962: HTAtom_for ("application/xml"));
2963: HTAnchor_setLength ((HTParentAnchor *) me->source, me->block_size);
2964: /* @@ here I need to actually read the file and put it in document,
2965: then, when I kill the request, I need to kill it */
2966: {
2967: FILE *fp;
2968: int i;
2969: char c;
2970:
2971: me->document = TtaGetMemory (me->block_size
2972: + strlen ("w3c_annotate=") + 1);
1.233 cvs 2973: fp = fopen (formdata, "r");
1.228 cvs 2974: i = 0;
2975: strcpy (me->document, "w3c_annotate=");
2976: c = getc (fp);
2977: i = strlen(me->document);
2978: while (!feof (fp))
2979: {
2980: me->document[i++] = c;
2981: c = getc (fp);
2982: }
2983: me->document[i] = '\0';
2984: fclose (fp);
2985: }
2986: HTAnchor_setDocument ( (HTParentAnchor *) me->source,
2987: (void * ) me->document);
2988: HTRequest_setEntityAnchor (me->request, HTAnchor_parent (me->source));
2989:
2990: status = HTPostAnchor (HTAnchor_parent (me->source),
1.222 cvs 2991: (HTAnchor *) me->anchor,
2992: me->request);
2993: }
2994: #endif /* ANNOTATIONS */
1.127 cvs 2995: else if (formdata)
2996: status = HTGetFormAnchor(me->formdata, (HTAnchor *) me->anchor,
2997: me->request);
1.116 cvs 2998: else
1.77 cvs 2999: status = HTLoadAnchor ((HTAnchor *) me->anchor, me->request);
1.69 cvs 3000:
1.123 cvs 3001: /* @@@ may need some special windows error msg here */
1.116 cvs 3002: /* control the errors */
1.4 cvs 3003:
1.130 cvs 3004: if (status == NO)
1.116 cvs 3005: /* the request invocation failed */
3006: {
3007: /* show an error message on the status bar */
3008: DocNetworkStatus[docid] |= AMAYA_NET_ERROR;
3009: TtaSetStatus (docid, 1,
3010: TtaGetMessage (AMAYA, AM_CANNOT_LOAD),
3011: urlName);
3012: if (me->reqStatus == HT_NEW)
3013: /* manually invoke the last processing that usually gets done
3014: in a succesful request */
3015: InvokeGetObjectWWW_callback (docid, urlName, outputfile,
3016: terminate_cbf, context_tcbf, HT_ERROR);
3017: /* terminate_handler wasn't called */
1.136 cvs 3018: AHTReqContext_delete (me);
1.116 cvs 3019: }
3020: else
1.136 cvs 3021: /* end treatment for SYNC requests */
1.120 cvs 3022: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3023: {
1.136 cvs 3024: /* wait here untilt the asynchronous request finishes */
1.130 cvs 3025: status = LoopForStop (me);
1.136 cvs 3026: /* if status returns HT_ERROR, should we invoke the callback? */
1.120 cvs 3027: if (!HTRequest_kill (me->request))
3028: AHTReqContext_delete (me);
3029: }
1.130 cvs 3030:
1.136 cvs 3031: /* an interface problem!!! */
3032: return (status == YES ? 0 : -1);
1.4 cvs 3033: }
3034:
1.5 cvs 3035: /*----------------------------------------------------------------------
1.17 cvs 3036: PutObjectWWW
3037: frontend for uploading a resource to a URL. This function downloads
3038: a file to be uploaded into memory, it then calls UploadMemWWW to
3039: finish the job.
3040:
1.5 cvs 3041: 2 upload modes are proposed:
3042: AMAYA_SYNC : blocking mode
3043: AMAYA_ASYNC : non-blocking mode
3044:
1.4 cvs 3045: When the function is called with the SYNC mode, the function will
3046: return only when the file has been uploaded.
3047: The ASYNC mode will immediately return after setting up the
3048: call. Furthermore, at the end of an upload, the ASYNC mode will
3049: call back terminate_cbf, handling it the context defined in
3050: context_tcbf.
3051:
3052: Notes:
3053: At the end of a succesful request, the urlName string contains the
3054: name of the actually uploaded URL. As a URL can change over the time,
3055: (e.g., be redirected elsewhere), it is advised that the function
3056: caller verifies the value of the urlName variable at the end of
3057: a request.
3058:
3059: Inputs:
3060: - docid Document identifier for the set of objects being
3061: retrieved.
3062: - fileName A pointer to the local file to upload
3063: - urlName The URL to be uploaded (MAX_URL_LENGTH chars length)
3064: - mode The retrieval mode.
3065: - terminate_cbf
3066: - context_icbf
3067: Callback and context for a terminate handler
3068:
3069: Outputs:
3070: - urlName The URL that was uploaded
3071:
3072: Returns:
3073: HT_ERROR
3074: HT_OK
1.5 cvs 3075: ----------------------------------------------------------------------*/
1.4 cvs 3076: #ifdef __STDC__
1.198 cvs 3077: int PutObjectWWW (int docid, STRING fileName, STRING urlName, int mode, PicType contentType,
1.4 cvs 3078: TTcbf * terminate_cbf, void *context_tcbf)
3079: #else
1.26 cvs 3080: int PutObjectWWW (docid, urlName, fileName, mode, contentType,
1.4 cvs 3081: ,terminate_cbf, context_tcbf)
3082: int docid;
1.198 cvs 3083: STRING urlName;
3084: STRING fileName;
1.4 cvs 3085: int mode;
1.27 cvs 3086: PicType contentType;
1.4 cvs 3087: TTcbf *terminate_cbf;
3088: void *context_tcbf;
3089:
1.116 cvs 3090: #endif /* __STDC__ */
1.4 cvs 3091: {
1.116 cvs 3092: AHTReqContext *me;
1.4 cvs 3093: int status;
1.228 cvs 3094: unsigned long file_size;
1.116 cvs 3095: char *fileURL;
1.168 cvs 3096: char *etag = NULL;
1.169 cvs 3097: HTParentAnchor *dest_anc_parent;
1.235 cvs 3098: CHAR_T* tmp;
3099: CHAR_T* esc_url;
1.168 cvs 3100: int UsePreconditions;
1.191 cvs 3101: ThotBool lost_update_check = TRUE;
1.235 cvs 3102: char url_name[MAX_LENGTH];
3103: char file_name[MAX_LENGTH];
3104: char* tmp2;
1.172 cvs 3105:
3106: /* should we protect the PUT against lost updates? */
1.203 cvs 3107: tmp = TtaGetEnvString ("ENABLE_LOST_UPDATE_CHECK");
1.198 cvs 3108: if (tmp && *tmp && ustrcasecmp (tmp, TEXT("yes")))
1.172 cvs 3109: lost_update_check = FALSE;
1.168 cvs 3110:
3111: UsePreconditions = mode & AMAYA_USE_PRECONDITIONS;
1.4 cvs 3112:
1.33 cvs 3113: AmayaLastHTTPErrorMsg [0] = EOS;
3114:
1.116 cvs 3115: if (urlName == NULL || docid == 0 || fileName == NULL
3116: || !TtaFileExist (fileName))
1.4 cvs 3117: /* no file to be uploaded */
3118: return HT_ERROR;
3119:
3120: /* do we support this protocol? */
1.7 cvs 3121: if (IsValidProtocol (urlName) == NO)
3122: {
3123: /* return error */
1.198 cvs 3124: TtaSetStatus (docid, 1, TtaGetMessage (AMAYA, AM_PUT_UNSUPPORTED_PROTOCOL), urlName);
1.7 cvs 3125: return HT_ERROR;
3126: }
1.116 cvs 3127:
1.228 cvs 3128: /* get the size of the file */
1.229 cvs 3129: if (QGetFileSize (fileName, &file_size) || file_size == 0)
1.7 cvs 3130: {
3131: /* file was empty */
3132: /*errmsg here */
3133: return (HT_ERROR);
3134: }
1.116 cvs 3135:
3136: /* prepare the request context */
1.4 cvs 3137: if (THD_TRACE)
1.228 cvs 3138: fprintf (stderr, "file size == %u\n", (unsigned) file_size);
1.4 cvs 3139:
3140: me = AHTReqContext_new (docid);
1.7 cvs 3141: if (me == NULL)
3142: {
1.168 cvs 3143: /* @@ need an error message here */
1.151 cvs 3144: TtaHandlePendingEvents ();
1.7 cvs 3145: return (HT_ERROR);
1.208 cvs 3146: }
3147:
3148: /*
3149: ** Set up the original URL name
3150: */
3151: if (DocumentMeta[docid]->put_default_name)
3152: {
1.233 cvs 3153: CHAR_T *ptr1, *ptr2;
1.208 cvs 3154: ptr1 = TtaGetEnvString ("DEFAULTNAME");
3155: if (ptr1 && *ptr1)
3156: {
1.234 cvs 3157: ptr2 = ustrstr (urlName, ptr1);
1.208 cvs 3158: if (ptr2)
3159: {
1.235 cvs 3160: wc2iso_strcpy (url_name, urlName);
3161: me->default_put_name = TtaStrdup (url_name);
3162: me->default_put_name[strlen (me->default_put_name) - ustrlen (ptr1)] = EOS;
1.208 cvs 3163: HTRequest_setDefaultPutName (me->request, me->default_put_name);
3164: }
3165: }
1.7 cvs 3166: }
1.116 cvs 3167:
1.4 cvs 3168: me->mode = mode;
3169: me->incremental_cbf = (TIcbf *) NULL;
3170: me->context_icbf = (void *) NULL;
3171: me->terminate_cbf = terminate_cbf;
3172: me->context_tcbf = context_tcbf;
1.206 cvs 3173: esc_url = EscapeURL (urlName);
1.235 cvs 3174: me->urlName = TtaWCSdup (esc_url);
1.206 cvs 3175: TtaFreeMemory (esc_url);
1.228 cvs 3176: me->block_size = file_size;
1.17 cvs 3177: /* select the parameters that distinguish a PUT from a GET/POST */
1.4 cvs 3178: me->method = METHOD_PUT;
3179: me->output = stdout;
1.17 cvs 3180: /* we are not expecting to receive any input from the server */
1.235 cvs 3181: me->outputfile = (CHAR_T*) NULL;
1.4 cvs 3182:
1.134 cvs 3183: #ifdef _WINDOWS
3184: /* libwww's HTParse function doesn't take into account the drive name;
1.168 cvs 3185: so we sidestep it */
1.134 cvs 3186: fileURL = NULL;
3187: StrAllocCopy (fileURL, "file:");
1.235 cvs 3188: wc2iso_strcpy (file_name, fileName);
3189: StrAllocCat (fileURL, file_name);
1.134 cvs 3190: #else
1.116 cvs 3191: fileURL = HTParse (fileName, "file:/", PARSE_ALL);
1.134 cvs 3192: #endif /* _WINDOWS */
1.168 cvs 3193: me->source = HTAnchor_findAddress (fileURL);
1.116 cvs 3194: HT_FREE (fileURL);
1.235 cvs 3195: wc2iso_strcpy (url_name, me->urlName);
3196: me->dest = HTAnchor_findAddress (url_name);
1.169 cvs 3197: /* we memorize the anchor's parent @ as we use it a number of times
3198: in the following lines */
3199: dest_anc_parent = HTAnchor_parent (me->dest);
1.168 cvs 3200:
1.169 cvs 3201: /*
3202: ** Set the Content-Type of the file we are uploading
3203: */
3204: /* we try to use any content-type previosuly associated
3205: with the parent. If it doesn't exist, we try to guess it
3206: from the URL */
1.235 cvs 3207: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
3208: if (!tmp2 || !strcmp (tmp2, "www/unknown"))
1.169 cvs 3209: {
1.233 cvs 3210: HTAnchor_setFormat (dest_anc_parent, AHTGuessAtom_for (me->urlName, contentType));
1.235 cvs 3211: tmp2 = HTAtom_name (HTAnchor_format (dest_anc_parent));
1.169 cvs 3212: }
3213: /* .. and we give the same type to the source anchor */
3214: /* we go thru setOutputFormat, rather than change the parent's
3215: anchor, as that's the place that libwww expects it to be */
1.235 cvs 3216: HTAnchor_setFormat (HTAnchor_parent (me->source), HTAtom_for (tmp2));
1.219 cvs 3217:
1.235 cvs 3218: HTRequest_setOutputFormat (me->request, HTAtom_for (tmp2));
1.219 cvs 3219:
3220: #if 0 /* JK: code ready, but we're not going to use it yet */
3221: /*
3222: ** Set the Charset of the file we are uploading
3223: */
3224: /* we try to use any charset previosuly associated
3225: with the parent. If it doesn't exist, we try to guess it
3226: from the metadata */
1.233 cvs 3227: tmp = HTAtom_name (HTAnchor_charset (dest_anc_parent));
1.219 cvs 3228: if (!tmp)
3229: {
3230: HTAnchor_setCharset (dest_anc_parent, HTAtom_for ("iso-8859-3"));
1.233 cvs 3231: tmp = HTAtom_name (HTAnchor_charset (dest_anc_parent));
1.219 cvs 3232: }
3233: /* .. and we give the same charset to the source anchor */
3234: /* we go thru setCharSet, rather than change the parent's
3235: anchor, as that's the place that libwww expects it to be */
3236: HTAnchor_setCharset (HTAnchor_parent (me->source),
1.233 cvs 3237: HTAtom_for (tmp));
1.219 cvs 3238: #endif /* CHARSET */
3239:
3240: /*
3241: ** define other request characteristics
3242: */
1.116 cvs 3243: #ifdef _WINDOWS
1.136 cvs 3244: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3245: #else
1.134 cvs 3246: HTRequest_setPreemptive (me->request, NO);
1.116 cvs 3247: #endif /* _WINDOWS */
3248:
1.151 cvs 3249: /*
3250: ** Make sure that the first request is flushed immediately and not
3251: ** buffered in the output buffer
3252: */
3253: if (mode & AMAYA_FLUSH_REQUEST)
3254: HTRequest_setFlush(me->request, YES);
1.168 cvs 3255:
3256: /* Should we use preconditions? */
1.172 cvs 3257: if (lost_update_check)
1.168 cvs 3258: {
1.172 cvs 3259: if (UsePreconditions)
3260: etag = HTAnchor_etag (HTAnchor_parent (me->dest));
3261:
3262: if (etag)
3263: {
3264: HTRequest_setPreconditions(me->request, HT_MATCH_THIS);
3265: }
3266: else
3267: {
3268: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3269: HTRequest_addAfter(me->request, check_handler, NULL, NULL, HT_ALL,
3270: HT_FILTER_MIDDLE, YES);
1.175 cvs 3271: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3272: HT_NO_ACCESS, HT_FILTER_MIDDLE, YES);
3273: HTRequest_addAfter (me->request, HTAuthFilter, "http://*", NULL,
3274: HT_REAUTH, HT_FILTER_MIDDLE, YES);
3275: HTRequest_addAfter (me->request, HTAuthInfoFilter, "http://*", NULL,
3276: HT_ALL, HT_FILTER_MIDDLE, YES);
3277: HTRequest_addAfter (me->request, HTUseProxyFilter, "http://*", NULL,
3278: HT_USE_PROXY, HT_FILTER_MIDDLE, YES);
1.172 cvs 3279: }
1.168 cvs 3280: }
3281: else
3282: {
1.172 cvs 3283: /* don't use preconditions */
1.168 cvs 3284: HTRequest_setPreconditions(me->request, HT_NO_MATCH);
3285: }
1.151 cvs 3286:
1.136 cvs 3287: /* don't use the cache while saving a document */
3288: HTRequest_setReloadMode (me->request, HT_CACHE_FLUSH);
1.116 cvs 3289:
1.164 cvs 3290: /* Throw away any reponse body */
3291: /*
3292: HTRequest_setOutputStream (me->request, HTBlackHole());
3293: */
3294:
1.168 cvs 3295: /* prepare the URLname that will be displayed in the status bar */
1.74 cvs 3296: ChopURL (me->status_urlName, me->urlName);
1.233 cvs 3297: TtaSetStatus (me->docid, 1, TtaGetMessage (AMAYA, AM_REMOTE_SAVING), me->status_urlName);
1.114 cvs 3298:
1.164 cvs 3299: /* make the request */
1.172 cvs 3300: if (lost_update_check && (!UsePreconditions || !etag))
1.168 cvs 3301: status = HTHeadAnchor (me->dest, me->request);
3302: else
3303: status = HTPutDocumentAnchor (HTAnchor_parent (me->source), me->dest, me->request);
1.4 cvs 3304:
1.130 cvs 3305: if (status == YES && me->reqStatus != HT_ERR)
1.7 cvs 3306: {
1.168 cvs 3307: /* part of the stop button handler */
3308: if ((mode & AMAYA_SYNC) || (mode & AMAYA_ISYNC))
3309: status = LoopForStop (me);
1.15 cvs 3310: }
1.136 cvs 3311: if (!HTRequest_kill (me->request))
3312: AHTReqContext_delete (me);
1.168 cvs 3313:
1.116 cvs 3314: TtaHandlePendingEvents ();
1.90 cvs 3315:
1.130 cvs 3316: return (status == YES ? 0 : -1);
1.28 cvs 3317: }
1.4 cvs 3318:
1.5 cvs 3319: /*----------------------------------------------------------------------
1.138 cvs 3320: StopRequest
1.17 cvs 3321: stops (kills) all active requests associated with a docid
1.5 cvs 3322: ----------------------------------------------------------------------*/
1.4 cvs 3323: #ifdef __STDC__
3324: void StopRequest (int docid)
3325: #else
3326: void StopRequest (docid)
3327: int docid;
3328: #endif
3329: {
1.140 cvs 3330: if (Amaya && CanDoStop ())
1.138 cvs 3331: {
1.139 cvs 3332: #if 0 /* for later */
1.140 cvs 3333: AHTDocId_Status *docid_status;
3334: /* verify if there are any requests at all associated with docid */
1.138 cvs 3335: docid_status = (AHTDocId_Status *) GetDocIdStatus (docid,
3336: Amaya->docid_status);
3337: if (docid_status == (AHTDocId_Status *) NULL)
3338: return;
1.139 cvs 3339: #endif /* 0 */
1.138 cvs 3340: /* temporary call to stop all requests, as libwww changed its API */
3341: StopAllRequests (docid);
3342: }
3343: }
3344:
1.190 cvs 3345: /* @@@ the docid parameter isn't used... clean it up */
1.138 cvs 3346: /*----------------------------------------------------------------------
3347: StopAllRequests
3348: stops (kills) all active requests. We use the docid
3349: ----------------------------------------------------------------------*/
3350: #ifdef __STDC__
3351: void StopAllRequests (int docid)
3352: #else
1.140 cvs 3353: void StopAllRequests (docid)
1.138 cvs 3354: int docid;
3355: #endif
3356: {
1.4 cvs 3357: HTList *cur;
3358: AHTReqContext *me;
1.191 cvs 3359: static ThotBool lock_stop = 0;
3360: ThotBool async_flag;
1.232 cvs 3361: AHTReqStatus old_reqStatus;
1.116 cvs 3362:
1.138 cvs 3363: /* only do the stop if we're not being called while processing a
1.146 cvs 3364: request, and if we're not already dealing with a stop */
3365: if (Amaya && CanDoStop () && !lock_stop)
1.7 cvs 3366: {
1.100 cvs 3367: #ifdef DEBUG_LIBWWW
1.138 cvs 3368: fprintf (stderr, "StopRequest: number of Amaya requests "
3369: "before kill: %d\n", Amaya->open_requests);
1.100 cvs 3370: #endif /* DEBUG_LIBWWW */
1.150 cvs 3371: /* enter the critical section */
1.146 cvs 3372: lock_stop = TRUE;
1.214 cvs 3373: /* set a module global variable so that we can do special
3374: processing easier */
3375: UserAborted_flag = TRUE;
1.232 cvs 3376: /* abort all outstanding libwww UI dialogues */
1.233 cvs 3377: CallbackDialogue (BaseDialog + FormAnswer, STRING_DATA, (CHAR_T*) 0);
3378: CallbackDialogue (BaseDialog + ConfirmForm, INTEGER_DATA, (CHAR_T*) 0);
1.164 cvs 3379: /* expire all outstanding timers */
3380: HTTimer_expireAll ();
1.160 cvs 3381: /* HTNet_killAll (); */
1.116 cvs 3382: cur = Amaya->reqlist;
3383: while ((me = (AHTReqContext *) HTList_nextObject (cur)))
3384: {
1.140 cvs 3385: if (AmayaIsAlive ())
1.160 cvs 3386: {
1.161 cvs 3387: #ifdef DEBUG_LIBWWW
1.163 cvs 3388: fprintf (stderr,"StopRequest: killing req %p, url %s, status %d\n", me, me->urlName, me->reqStatus);
1.161 cvs 3389: #endif /* DEBUG_LIBWWW */
3390:
1.165 cvs 3391: if (me->reqStatus != HT_END && me->reqStatus != HT_ABORT)
1.163 cvs 3392: {
3393: if ((me->mode & AMAYA_ASYNC)
3394: || (me->mode & AMAYA_IASYNC))
3395: async_flag = TRUE;
3396: else
3397: async_flag = FALSE;
3398:
1.165 cvs 3399: /* change the status to say that the request aborted */
1.232 cvs 3400: /* if the request was "busy", we just change a flag to say so and
3401: let the handler finish the processing itself */
3402: old_reqStatus = me->reqStatus;
1.165 cvs 3403: me->reqStatus = HT_ABORT;
1.232 cvs 3404: if (old_reqStatus == HT_BUSY)
3405: continue;
1.165 cvs 3406:
1.163 cvs 3407: /* kill the request, using the appropriate function */
3408: if (me->request->net)
3409: HTNet_killPipe (me->request->net);
3410: else
3411: {
1.160 cvs 3412: if (me->terminate_cbf)
1.233 cvs 3413: (*me->terminate_cbf) (me->docid, -1, me->urlName,
3414: me->outputfile,
3415: me->content_type,
1.160 cvs 3416: me->context_tcbf);
1.164 cvs 3417:
3418: if (async_flag)
1.165 cvs 3419: /* explicitly free the request context for async
3420: requests. The sync requests context is freed by LoopForStop */
1.164 cvs 3421: AHTReqContext_delete (me);
1.160 cvs 3422: }
1.163 cvs 3423: cur = Amaya->reqlist;
3424: }
1.142 cvs 3425: #ifndef _WINDOWS
3426: #ifdef WWW_XWINDOWS
1.140 cvs 3427: /* to be on the safe side, remove all outstanding X events */
1.160 cvs 3428: else
3429: RequestKillAllXtevents (me);
1.142 cvs 3430: #endif /* WWW_XWINDOWS */
3431: #endif /* !_WINDOWS */
1.160 cvs 3432: }
1.116 cvs 3433: }
1.150 cvs 3434: /* Delete remaining channels */
3435: HTChannel_safeDeleteAll ();
1.214 cvs 3436: /* reset the stop status */
3437: UserAborted_flag = FALSE;
1.150 cvs 3438: /* exit the critical section */
1.148 cvs 3439: lock_stop = FALSE;
1.100 cvs 3440: #ifdef DEBUG_LIBWWW
1.138 cvs 3441: fprintf (stderr, "StopRequest: number of Amaya requests "
3442: "after kill: %d\n", Amaya->open_requests);
1.100 cvs 3443: #endif /* DEBUG_LIBWWW */
1.138 cvs 3444: }
3445: } /* StopAllRequests */
1.17 cvs 3446:
3447:
1.105 cvs 3448: /*----------------------------------------------------------------------
3449: AmayaIsAlive
1.140 cvs 3450: returns the value of the AmayaAlive_flag
1.105 cvs 3451: ----------------------------------------------------------------------*/
3452: #ifdef __STDC__
1.191 cvs 3453: ThotBool AmayaIsAlive (void)
1.105 cvs 3454: #else
1.191 cvs 3455: ThotBool AmayaIsAlive ()
1.105 cvs 3456: #endif /* _STDC_ */
3457: {
1.140 cvs 3458: return AmayaAlive_flag;
3459: }
3460:
3461: /*----------------------------------------------------------------------
3462: CanDoStop
3463: returns the value of the CanDoStop flag
3464: ----------------------------------------------------------------------*/
3465: #ifdef __STDC__
1.191 cvs 3466: ThotBool CanDoStop (void)
1.140 cvs 3467: #else
1.191 cvs 3468: ThotBool CanDoStop ()
1.140 cvs 3469: #endif /* _STDC_ */
3470: {
3471: return CanDoStop_flag;
3472: }
3473:
3474: /*----------------------------------------------------------------------
3475: CanDoStop_set
3476: sets the value of the CanDoStop flag
3477: ----------------------------------------------------------------------*/
3478: #ifdef __STDC__
1.191 cvs 3479: void CanDoStop_set (ThotBool value)
1.140 cvs 3480: #else
3481: void CanDoStop (value)
1.191 cvs 3482: ThotBool value;
1.140 cvs 3483: #endif /* _STDC_ */
3484: {
3485: CanDoStop_flag = value;
1.176 cvs 3486: }
3487:
3488: #ifdef __STDC__
3489: void libwww_updateNetworkConf (int status)
3490: #else
3491: void libwww_updateNetworkConf (status)
3492: int status;
3493: #endif /*__STDC__*/
3494: {
3495: /* @@@ the docid parameter isn't used... clean it up */
3496: int docid = 1;
3497:
3498: /* first, stop all current requests, as the network
3499: may make some changes */
3500: StopAllRequests (docid);
1.207 cvs 3501:
3502: if (status & AMAYA_SAFEPUT_RESTART)
3503: {
3504: SafePut_delete ();
3505: SafePut_init ();
3506: }
1.176 cvs 3507:
3508: if (status & AMAYA_PROXY_RESTART)
3509: {
3510: HTProxy_deleteAll ();
3511: ProxyInit ();
3512: }
3513:
3514: if (status & AMAYA_CACHE_RESTART)
3515: {
3516: clear_cachelock ();
3517: HTCacheTerminate ();
3518: HTCacheMode_setEnabled (NO);
3519: CacheInit ();
3520: }
1.193 cvs 3521:
3522: if (status & AMAYA_LANNEG_RESTART)
3523: {
3524: /* clear the current values */
3525: if (acceptLanguages)
3526: HTLanguage_deleteAll (acceptLanguages);
3527: /* read in the new ones */
3528: acceptLanguages = HTList_new ();
3529: AHTAcceptLanguagesInit (acceptLanguages);
3530: }
1.105 cvs 3531: }
1.116 cvs 3532:
1.69 cvs 3533: #endif /* AMAYA_JAVA */
1.77 cvs 3534:
1.116 cvs 3535: /*
3536: end of Module query.c
3537: */
Webmaster
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to query.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Public] / Amaya / amaya