X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=index%2Fzserver.c;h=b036efeb05d90f83922713a31f71e435607a7af6;hb=29357d2be4bc20d412d38bcb29876daedda28637;hp=ea0eb6ed1a65ca0bee0d0cc1e8690852f9440824;hpb=b879b04a092d5b00cc866cf16f755e55053d2e89;p=idzebra-moved-to-github.git diff --git a/index/zserver.c b/index/zserver.c index ea0eb6e..b036efe 100644 --- a/index/zserver.c +++ b/index/zserver.c @@ -1,10 +1,48 @@ /* - * 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 1.2 1995-09-04 12:33:43 adam + * Revision 1.14 1995-10-09 16:18:37 adam + * Function dict_lookup_grep got extra client data parameter. + * + * Revision 1.13 1995/10/06 14:38:00 adam + * New result set method: r_score. + * Local no (sysno) and score is transferred to retrieveCtrl. + * + * Revision 1.12 1995/10/06 13:52:06 adam + * Bug fixes. Handler may abort further scanning. + * + * 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 * Various cleanup. YAZ util used instead. * * Revision 1.1 1995/09/04 09:10:41 adam @@ -16,49 +54,205 @@ #include #include #include +#include -#include -#include "index.h" +#include +#include +#include "zserver.h" -char *prog; +ZServerInfo server_info; -int main (int argc, char **argv) +bend_initresult *bend_init (bend_initrequest *q) +{ + static bend_initresult r; + static char *name = "zserver"; + + r.errcode = 0; + r.errstring = 0; + r.handle = name; + + server_info.sets = NULL; + if (!(server_info.sys_idx_fd = open (FNAME_SYS_IDX, O_RDONLY))) + { + r.errcode = 1; + r.errstring = "dict_open fail: filedict"; + return &r; + } + 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, 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, + sizeof (struct it_key)))) + { + dict_close (server_info.wordDict); + dict_close (server_info.fileDict); + r.errcode = 1; + r.errstring = "is_open fail: wordisam"; + return &r; + } + server_info.odr = odr_createmem (ODR_ENCODE); + return &r; +} + +bend_searchresult *bend_search (void *handle, bend_searchrequest *q, int *fd) +{ + static bend_searchresult r; + + r.errcode = 0; + r.errstring = 0; + r.hits = 0; + + odr_reset (server_info.odr); + server_info.errCode = 0; + switch (q->query->which) + { + case Z_Query_type_1: + r.errcode = rpn_search (&server_info, q->query->u.type_1, + q->num_bases, q->basenames, q->setname, + &r.hits); + break; + default: + r.errcode = 107; + } + 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, int score, 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); + } + logf (LOG_DEBUG, "retrieve localno=%d score=%d", sysno, score); + retrieveCtrl.localno = sysno; + retrieveCtrl.score = score; + 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) { - int ret; - char *arg; - char *base_name = NULL; + static bend_fetchresult r; + int positions[2]; + ZServerSetSysno *records; + + r.errstring = 0; + r.last_in_set = 0; + r.basename = "base"; - prog = *argv; - while ((ret = options ("v:", argv, argc, &arg)) != -2) + odr_reset (server_info.odr); + server_info.errCode = 0; + + positions[0] = q->number; + records = resultSetSysnoGet (&server_info, q->setname, 1, positions); + if (!records) { - if (ret == 0) - { - if (!base_name) - { - base_name = arg; - - common_resource = res_open (base_name); - if (!common_resource) - { - logf (LOG_FATAL, "Cannot open resource `%s'", base_name); - exit (1); - } - } - } - else if (ret == 'v') - { - log_init (log_mask_str(arg), prog, NULL); - } - else - { - logf (LOG_FATAL, "Unknown option '-%s'", arg); - exit (1); - } + logf (LOG_DEBUG, "resultSetRecordGet, error"); + r.errcode = 13; + return &r; } - if (!base_name) + 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, + records[0].score, q->stream, + q->format, &r.format, &r.record, &r.len); + return &r; +} + +bend_deleteresult *bend_delete (void *handle, bend_deleterequest *q, int *num) +{ + return 0; +} + +bend_scanresult *bend_scan (void *handle, bend_scanrequest *q, int *num) +{ + static bend_scanresult r; + int status; + + odr_reset (server_info.odr); + server_info.errCode = 0; + + r.errstring = 0; + r.term_position = q->term_position; + r.num_entries = q->num_entries; + r.errcode = rpn_scan (&server_info, server_info.odr, q->term, + &r.term_position, + &r.num_entries, &r.entries, &status); + r.status = status; + return &r; +} + +void bend_close (void *handle) +{ + dict_close (server_info.fileDict); + dict_close (server_info.wordDict); + is_close (server_info.wordIsam); + close (server_info.sys_idx_fd); + return; +} + +int main (int argc, char **argv) +{ + char *base_name = "base"; + + if (!(common_resource = res_open (base_name))) { - fprintf (stderr, "zserver [-v log] base ...\n"); + logf (LOG_FATAL, "Cannot open resource `%s'", base_name); exit (1); } - exit (0); + return statserv_main (argc, argv); }