X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.c;h=1a29c3bbfd9e2318b8fc7a27c3025af5986b536f;hb=8c1de7f1c9610a8da280fe93d785054ce86e7330;hp=61e4bd652419354b04b7aeea6f29fcb9713a0784;hpb=fb99bfcb44d29215f411d82646c59f2f74f5a25c;p=idzebra-moved-to-github.git diff --git a/index/zserver.c b/index/zserver.c index 61e4bd6..1a29c3b 100644 --- a/index/zserver.c +++ b/index/zserver.c @@ -1,10 +1,35 @@ /* - * Copyright (C) 1995, Index Data I/S + * Copyright (C) 1994-1995, Index Data I/S * All rights reserved. * Sebastian Hammer, Adam Dickmeiss * * $Log: zserver.c,v $ - * Revision 1.3 1995-09-05 15:28:40 adam + * Revision 1.11 1995-10-06 10:43:57 adam + * Scan added. 'occurrences' in scan entries not set yet. + * + * Revision 1.10 1995/10/02 16:43:32 quinn + * Set default resulting record type in fetch. + * + * Revision 1.9 1995/10/02 15:18:52 adam + * New member in recRetrieveCtrl: diagnostic. + * + * Revision 1.8 1995/09/28 09:19:47 adam + * xfree/xmalloc used everywhere. + * Extract/retrieve method seems to work for text records. + * + * Revision 1.7 1995/09/27 16:17:32 adam + * More work on retrieve. + * + * Revision 1.6 1995/09/08 08:53:22 adam + * Record buffer maintained in server_info. + * + * Revision 1.5 1995/09/06 16:11:18 adam + * Option: only one word key per file. + * + * Revision 1.4 1995/09/06 10:33:04 adam + * More work on present. Some log messages removed. + * + * Revision 1.3 1995/09/05 15:28:40 adam * More work on search engine. * * Revision 1.2 1995/09/04 12:33:43 adam @@ -21,10 +46,9 @@ #include #include -#include "zserver.h" - -#include +#include #include +#include "zserver.h" ZServerInfo server_info; @@ -44,20 +68,21 @@ bend_initresult *bend_init (bend_initrequest *q) r.errstring = "dict_open fail: filedict"; return &r; } - if (!(server_info.fileDict = dict_open (FNAME_FILE_DICT, 5, 0))) + if (!(server_info.fileDict = dict_open (FNAME_FILE_DICT, 10, 0))) { r.errcode = 1; r.errstring = "dict_open fail: filedict"; return &r; } - if (!(server_info.wordDict = dict_open (FNAME_WORD_DICT, 20, 0))) + if (!(server_info.wordDict = dict_open (FNAME_WORD_DICT, 40, 0))) { dict_close (server_info.fileDict); r.errcode = 1; r.errstring = "dict_open fail: worddict"; return &r; } - if (!(server_info.wordIsam = is_open (FNAME_WORD_ISAM, key_compare, 0))) + if (!(server_info.wordIsam = is_open (FNAME_WORD_ISAM, key_compare, 0, + sizeof (struct it_key)))) { dict_close (server_info.wordDict); dict_close (server_info.fileDict); @@ -65,6 +90,8 @@ bend_initresult *bend_init (bend_initrequest *q) r.errstring = "is_open fail: wordisam"; return &r; } + server_info.recordBuf = NULL; + server_info.odr = odr_createmem (ODR_ENCODE); return &r; } @@ -89,30 +116,84 @@ bend_searchresult *bend_search (void *handle, bend_searchrequest *q, int *fd) return &r; } +static int record_read (int fd, char *buf, size_t count) +{ + return read (fd, buf, count); +} + +static int record_fetch (ZServerInfo *zi, int sysno, ODR stream, + oid_value input_format, oid_value *output_format, + char **rec_bufp, int *rec_lenp) +{ + char record_info[SYS_IDX_ENTRY_LEN]; + char *fname, *file_type; + RecType rt; + struct recRetrieveCtrl retrieveCtrl; + + if (lseek (zi->sys_idx_fd, sysno * SYS_IDX_ENTRY_LEN, + SEEK_SET) == -1) + { + logf (LOG_FATAL|LOG_ERRNO, "Retrieve: lseek of sys_idx"); + exit (1); + } + if (read (zi->sys_idx_fd, record_info, SYS_IDX_ENTRY_LEN) == -1) + { + logf (LOG_FATAL|LOG_ERRNO, "Retrieve: read of sys_idx"); + exit (1); + } + file_type = record_info; + fname = record_info + strlen(record_info) + 1; + if (!(rt = recType_byName (file_type))) + { + logf (LOG_FATAL|LOG_ERRNO, "Retrieve: Cannot handle type %s", + file_type); + exit (1); + } + if ((retrieveCtrl.fd = open (fname, O_RDONLY)) == -1) + { + logf (LOG_FATAL|LOG_ERRNO, "Retrieve: Open record file %s", fname); + exit (1); + } + retrieveCtrl.odr = stream; + retrieveCtrl.readf = record_read; + retrieveCtrl.input_format = retrieveCtrl.output_format = input_format; + retrieveCtrl.diagnostic = 0; + (*rt->retrieve)(&retrieveCtrl); + *output_format = retrieveCtrl.output_format; + *rec_bufp = retrieveCtrl.rec_buf; + *rec_lenp = retrieveCtrl.rec_len; + close (retrieveCtrl.fd); + return retrieveCtrl.diagnostic; +} + bend_fetchresult *bend_fetch (void *handle, bend_fetchrequest *q, int *num) { static bend_fetchresult r; int positions[2]; - ZServerRecord *records; + ZServerSetSysno *records; r.errstring = 0; r.last_in_set = 0; r.basename = "base"; + xfree (server_info.recordBuf); + server_info.recordBuf = NULL; positions[0] = q->number; - records = resultSetRecordGet (&server_info, q->setname, 1, positions); + records = resultSetSysnoGet (&server_info, q->setname, 1, positions); if (!records) { logf (LOG_DEBUG, "resultSetRecordGet, error"); r.errcode = 13; return &r; } - r.len = records[0].size; - r.record = malloc (r.len+1); - strcpy (r.record, records[0].buf); - resultSetRecordDel (&server_info, records, 1); - r.format = VAL_SUTRS; - r.errcode = 0; + if (!records[0].sysno) + { + r.errcode = 13; + logf (LOG_DEBUG, "Out of range. pos=%d", q->number); + return &r; + } + r.errcode = record_fetch (&server_info, records[0].sysno, q->stream, + q->format, &r.format, &r.record, &r.len); return &r; } @@ -123,21 +204,15 @@ bend_deleteresult *bend_delete (void *handle, bend_deleterequest *q, int *num) bend_scanresult *bend_scan (void *handle, bend_scanrequest *q, int *num) { - static struct scan_entry list[200]; - static char buf[200][200]; static bend_scanresult r; - int i; + + odr_reset (server_info.odr); r.term_position = q->term_position; r.num_entries = q->num_entries; - r.entries = list; - for (i = 0; i < r.num_entries; i++) - { - list[i].term = buf[i]; - sprintf(list[i].term, "term-%d", i+1); - list[i].occurrences = rand() % 100000; - } - r.errcode = 0; + r.errcode = rpn_scan (&server_info, server_info.odr, q->term, + &r.term_position, + &r.num_entries, &r.entries); r.errstring = 0; return &r; } @@ -148,6 +223,8 @@ void bend_close (void *handle) dict_close (server_info.wordDict); is_close (server_info.wordIsam); close (server_info.sys_idx_fd); + xfree (server_info.recordBuf); + server_info.recordBuf = NULL; return; }