xfree/xmalloc used everywhere.

[idzebra-moved-to-github.git] / index / zserver.c

diff --git a/index/zserver.c b/index/zserver.c
index 8fa470f..17d3016 100644 (file)
--- a/index/zserver.c
+++ b/index/zserver.c
@@ -1,10 +1,23 @@
 /*
- * 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 1.4  1995-09-06 10:33:04  adam
+ * 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
@@ -24,10 +37,10 @@
 #include <unistd.h>
 #include <fcntl.h>
 
-#include "zserver.h"
-
+#include <recctrl.h>
 #include <backend.h>
 #include <dmalloc.h>
+#include "zserver.h"
 
 ZServerInfo server_info;
 
@@ -47,20 +60,21 @@ 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);
@@ -68,6 +82,7 @@ bend_initresult *bend_init (bend_initrequest *q)
         r.errstring = "is_open fail: wordisam";
         return &r;
     }
+    server_info.recordBuf = NULL;
     return &r;
 }
 
@@ -92,36 +107,83 @@ 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 = input_format;
+    (*rt->retrieve)(&retrieveCtrl);
+    *output_format = retrieveCtrl.output_format;
+    *rec_bufp = retrieveCtrl.rec_buf;
+    *rec_lenp = retrieveCtrl.rec_len;
+    close (retrieveCtrl.fd);
+    return 0;
+}
+
 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;
     }
-    if (!records[0].buf)
+    if (!records[0].sysno)
     {
         r.errcode = 13;
         logf (LOG_DEBUG, "Out of range. pos=%d", q->number);
         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;
+    r.errcode = record_fetch (&server_info, records[0].sysno, q->stream,
+                              q->format, &r.format, &r.record, &r.len);
     return &r;
 }
 
@@ -157,6 +219,8 @@ 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;
 }