/*
- * 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
#include <stdio.h>
#include <assert.h>
#include <unistd.h>
+#include <fcntl.h>
-#include <alexutil.h>
-#include "index.h"
+#include <recctrl.h>
+#include <dmalloc.h>
+#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);
}
projects / idzebra-moved-to-github.git / blobdiff