X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fretrieve.c;h=d824a1a105e05050c6d2ebd4fde34b5e44776d1b;hb=68f2ac443fce741dad6036c30c31f8c150f5271f;hp=f138bbf26e894a860293b7cfb0d2f8851b32237c;hpb=ce3907338568fce46c5751e7e1091a5ad1c8e291;p=idzebra-moved-to-github.git diff --git a/index/retrieve.c b/index/retrieve.c index f138bbf..d824a1a 100644 --- a/index/retrieve.c +++ b/index/retrieve.c @@ -1,10 +1,50 @@ /* - * Copyright (C) 1995-1998, Index Data I/S + * Copyright (C) 1995-1999, Index Data * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: retrieve.c,v $ - * Revision 1.1 1998-03-05 08:45:13 adam + * Revision 1.14 2001-01-22 11:41:41 adam + * Added support for raw retrieval (element set name "R"). + * + * Revision 1.13 2000/03/20 19:08:36 adam + * Added remote record import using Z39.50 extended services and Segment + * Requests. + * + * Revision 1.12 2000/03/15 15:00:30 adam + * First work on threaded version. + * + * Revision 1.11 1999/10/29 10:00:00 adam + * Fixed minor bug where database name wasn't set in zebra_record_fetch. + * + * Revision 1.10 1999/05/26 07:49:13 adam + * C++ compilation. + * + * Revision 1.9 1999/05/20 12:57:18 adam + * Implemented TCL filter. Updated recctrl system. + * + * Revision 1.8 1999/03/09 16:27:49 adam + * More work on SDRKit integration. + * + * Revision 1.7 1999/03/02 16:15:43 quinn + * Added "tagsysno" and "tagrank" directives to zebra.cfg. + * + * Revision 1.6 1999/02/18 15:01:25 adam + * Minor changes. + * + * Revision 1.5 1999/02/17 11:29:56 adam + * Fixed in record_fetch. Minor updates to API. + * + * Revision 1.4 1999/02/02 14:51:07 adam + * Updated WIN32 code specific sections. Changed header. + * + * Revision 1.3 1998/10/28 10:54:40 adam + * SDRKit integration. + * + * Revision 1.2 1998/10/16 08:14:33 adam + * Updated record control system. + * + * Revision 1.1 1998/03/05 08:45:13 adam * New result set model and modular ranking system. Moved towards * descent server API. System information stored as "SGML" records. * @@ -14,7 +54,7 @@ #include #include -#ifdef WINDOWS +#ifdef WIN32 #include #include #else @@ -24,56 +64,62 @@ #include #include "zserver.h" -struct fetch_control { - int record_offset; - int record_int_pos; - char *record_int_buf; - int record_int_len; - int fd; -}; +#ifndef ZEBRASDR +#define ZEBRASDR 0 +#endif + +#if ZEBRASDR +#include "zebrasdr.h" +#endif -static int record_ext_read (void *fh, char *buf, size_t count) +int zebra_record_ext_read (void *fh, char *buf, size_t count) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; return read (fc->fd, buf, count); } -static off_t record_ext_seek (void *fh, off_t offset) +off_t zebra_record_ext_seek (void *fh, off_t offset) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; return lseek (fc->fd, offset + fc->record_offset, SEEK_SET); } -static off_t record_ext_tell (void *fh) +off_t zebra_record_ext_tell (void *fh) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; return lseek (fc->fd, 0, SEEK_CUR) - fc->record_offset; } -static off_t record_int_seek (void *fh, off_t offset) +off_t zebra_record_int_seek (void *fh, off_t offset) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; return (off_t) (fc->record_int_pos = offset); } -static off_t record_int_tell (void *fh) +off_t zebra_record_int_tell (void *fh) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; return (off_t) fc->record_int_pos; } -static int record_int_read (void *fh, char *buf, size_t count) +int zebra_record_int_read (void *fh, char *buf, size_t count) { - struct fetch_control *fc = fh; + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; int l = fc->record_int_len - fc->record_int_pos; if (l <= 0) return 0; - l = (l < count) ? l : count; + l = (l < (int) count) ? l : count; memcpy (buf, fc->record_int_buf + fc->record_int_pos, l); fc->record_int_pos += l; return l; } +void zebra_record_int_end (void *fh, off_t off) +{ + struct zebra_fetch_control *fc = (struct zebra_fetch_control *) fh; + fc->offset_end = off; +} + int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, oid_value input_format, Z_RecordComposition *comp, oid_value *output_format, char **rec_bufp, @@ -84,24 +130,33 @@ int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, RecType rt; struct recRetrieveCtrl retrieveCtrl; char subType[128]; - struct fetch_control fc; + struct zebra_fetch_control fc; RecordAttr *recordAttr; + void *clientData; - rec = rec_get (zh->records, sysno); + rec = rec_get (zh->service->records, sysno); if (!rec) { logf (LOG_DEBUG, "rec_get fail on sysno=%d", sysno); + *basenamep = 0; return 14; } - recordAttr = rec_init_attr (zh->zei, rec); + recordAttr = rec_init_attr (zh->service->zei, rec); file_type = rec->info[recInfo_fileType]; fname = rec->info[recInfo_filename]; basename = rec->info[recInfo_databaseName]; - *basenamep = odr_malloc (stream, strlen(basename)+1); + *basenamep = (char *) odr_malloc (stream, strlen(basename)+1); strcpy (*basenamep, basename); - if (!(rt = recType_byName (file_type, subType))) + if (comp && comp->which == Z_RecordComp_simple && + comp->u.simple->which == Z_ElementSetNames_generic) + { + if (!strcmp (comp->u.simple->u.generic, "R")) + file_type = "text"; + } + if (!(rt = recType_byName (zh->service->recTypes, + file_type, subType, &clientData))) { logf (LOG_WARN, "Retrieve: Cannot handle type %s", file_type); return 14; @@ -111,15 +166,15 @@ int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, fc.fd = -1; if (rec->size[recInfo_storeData] > 0) { - retrieveCtrl.readf = record_int_read; - retrieveCtrl.seekf = record_int_seek; - retrieveCtrl.tellf = record_int_tell; + retrieveCtrl.readf = zebra_record_int_read; + retrieveCtrl.seekf = zebra_record_int_seek; + retrieveCtrl.tellf = zebra_record_int_tell; fc.record_int_len = rec->size[recInfo_storeData]; fc.record_int_buf = rec->info[recInfo_storeData]; fc.record_int_pos = 0; logf (LOG_DEBUG, "Internal retrieve. %d bytes", fc.record_int_len); } - else + else { if ((fc.fd = open (fname, O_BINARY|O_RDONLY)) == -1) { @@ -130,11 +185,11 @@ int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, } fc.record_offset = recordAttr->recordOffset; - retrieveCtrl.readf = record_ext_read; - retrieveCtrl.seekf = record_ext_seek; - retrieveCtrl.tellf = record_ext_tell; + retrieveCtrl.readf = zebra_record_ext_read; + retrieveCtrl.seekf = zebra_record_ext_seek; + retrieveCtrl.tellf = zebra_record_ext_tell; - record_ext_seek (retrieveCtrl.fh, 0); + zebra_record_ext_seek (retrieveCtrl.fh, 0); } retrieveCtrl.subType = subType; retrieveCtrl.localno = sysno; @@ -144,10 +199,11 @@ int zebra_record_fetch (ZebraHandle zh, int sysno, int score, ODR stream, retrieveCtrl.input_format = retrieveCtrl.output_format = input_format; retrieveCtrl.comp = comp; retrieveCtrl.diagnostic = 0; - retrieveCtrl.dh = zh->dh; - (*rt->retrieve)(&retrieveCtrl); + retrieveCtrl.dh = zh->service->dh; + retrieveCtrl.res = zh->service->res; + (*rt->retrieve)(clientData, &retrieveCtrl); *output_format = retrieveCtrl.output_format; - *rec_bufp = retrieveCtrl.rec_buf; + *rec_bufp = (char *) retrieveCtrl.rec_buf; *rec_lenp = retrieveCtrl.rec_len; if (fc.fd != -1) close (fc.fd);