New result set model and modular ranking system. Moved towards
[idzebra-moved-to-github.git] / index / main.c
index a3cbd58..f622834 100644 (file)
@@ -1,10 +1,66 @@
 /*
- * Copyright (C) 1994-1996, Index Data I/S 
+ * Copyright (C) 1994-1998, Index Data I/S 
  * All rights reserved.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: main.c,v $
- * Revision 1.41  1996-05-14 14:04:34  adam
+ * Revision 1.56  1998-03-05 08:45:12  adam
+ * New result set model and modular ranking system. Moved towards
+ * descent server API. System information stored as "SGML" records.
+ *
+ * Revision 1.55  1998/01/26 10:37:34  adam
+ * Minor changes.
+ *
+ * Revision 1.54  1998/01/12 15:04:08  adam
+ * The test option (-s) only uses read-lock (and not write lock).
+ *
+ * Revision 1.53  1997/11/18 10:05:08  adam
+ * Changed character map facility so that admin can specify character
+ * mapping files for each register type, w, p, etc.
+ *
+ * Revision 1.52  1997/10/31 12:34:04  adam
+ * Added missing nmem_init.
+ *
+ * Revision 1.51  1997/10/27 14:33:05  adam
+ * Moved towards generic character mapping depending on "structure"
+ * field in abstract syntax file. Fixed a few memory leaks. Fixed
+ * bug with negative integers when doing searches with relational
+ * operators.
+ *
+ * Revision 1.50  1997/09/25 14:55:52  adam
+ * Minor changes.
+ *
+ * Revision 1.49  1997/09/17 12:19:15  adam
+ * Zebra version corresponds to YAZ version 1.4.
+ * Changed Zebra server so that it doesn't depend on global common_resource.
+ *
+ * Revision 1.48  1997/09/09 13:38:08  adam
+ * Partial port to WIN95/NT.
+ *
+ * Revision 1.47  1997/02/12 20:39:46  adam
+ * Implemented options -f <n> that limits the log to the first <n>
+ * records.
+ * Changed some log messages also.
+ *
+ * Revision 1.46  1997/02/10 10:20:13  adam
+ * Flag fileVerboseFlag set to 0 (default).
+ *
+ * Revision 1.45  1996/11/08 11:10:26  adam
+ * Buffers used during file match got bigger.
+ * Compressed ISAM support everywhere.
+ * Bug fixes regarding masking characters in queries.
+ * Redesigned Regexp-2 queries.
+ *
+ * Revision 1.44  1996/10/29 14:09:48  adam
+ * Use of cisam system - enabled if setting isamc is 1.
+ *
+ * Revision 1.43  1996/06/06 12:08:42  quinn
+ * Added showRecord function
+ *
+ * Revision 1.42  1996/05/31  09:07:01  quinn
+ * Work on character-set handling
+ *
+ * Revision 1.41  1996/05/14  14:04:34  adam
  * In zebraidx, the 'stat' command is improved. Statistics about ISAM/DICT
  * is collected.
  *
  */
 #include <stdio.h>
 #include <assert.h>
+#ifdef WINDOWS
+#include <io.h>
+#else
 #include <unistd.h>
+#endif
 
-#include <alexutil.h>
 #include <data1.h>
 #include "index.h"
+#include "recindex.h"
 
 char *prog;
-size_t mem_max = 4*1024*1024;
-extern char *data1_tabpath;
 
-static void abort_func (int level, const char *msg, void *info)
-{
-    if (level & LOG_FATAL)
-        abort ();
-}
+Res common_resource = 0;
 
 int main (int argc, char **argv)
 {
@@ -178,9 +232,12 @@ int main (int argc, char **argv)
     char *configName = NULL;
     int nsections;
     int disableCommit = 0;
+    size_t mem_max = 0;
 
     struct recordGroup rGroupDef;
-    
+
+    nmem_init ();
+
     rGroupDef.groupName = NULL;
     rGroupDef.databaseName = NULL;
     rGroupDef.path = NULL;
@@ -188,7 +245,10 @@ int main (int argc, char **argv)
     rGroupDef.recordType = NULL;
     rGroupDef.flagStoreData = -1;
     rGroupDef.flagStoreKeys = -1;
-    rGroupDef.fileVerboseFlag = 1;
+    rGroupDef.flagRw = 1;
+    rGroupDef.fileVerboseLimit = 100000;
+    rGroupDef.zebra_maps = NULL;
+    rGroupDef.dh = data1_create ();
 
     prog = *argv;
     if (argc < 2)
@@ -206,14 +266,15 @@ int main (int argc, char **argv)
        " -g <group>    Index files according to group settings.\n"
        " -d <database> Records belong to Z39.50 database <database>.\n"
        " -m <mbytes>   Use <mbytes> before flushing keys to disk.\n"
-        " -n            Don't use shadow system\n"
-       " -v <level>    Set logging to <level>\n"
-        " -V            Show version\n"
+        " -n            Don't use shadow system.\n"
+       " -s            Show analysis on stdout, but do no work.\n"
+       " -v <level>    Set logging to <level>.\n"
+        " -f <n>        Display information for the first <n> records.\n"
+        " -V            Show version.\n"
                  );
         exit (1);
     }
-    log_event_end (abort_func, NULL);
-    while ((ret = options ("Vt:c:g:d:m:v:n", argv, argc, &arg)) != -2)
+    while ((ret = options ("sVt:c:g:d:m:v:nf:", argv, argc, &arg)) != -2)
     {
         if (ret == 0)
         {
@@ -222,16 +283,25 @@ int main (int argc, char **argv)
             {
                 if (!common_resource)
                 {
+                    logf (LOG_LOG, "zebra version %s %s",
+                          ZEBRAVER, ZEBRADATE);
                     common_resource = res_open (configName ?
                                                 configName : FNAME_CONFIG);
                     if (!common_resource)
                     {
-                        logf (LOG_FATAL, "Cannot open resource `%s'",
+                        logf (LOG_FATAL, "cannot configuration file `%s'",
                               configName);
                         exit (1);
                     }
-                    data1_tabpath = res_get (common_resource, "profilePath");
-                    bf_lockDir (res_get (common_resource, "lockPath"));
+                    data1_set_tabpath (rGroupDef.dh, res_get (common_resource,
+                                                             "profilePath"));
+
+                   rGroupDef.bfs =
+                       bfs_create (res_get (common_resource, "register"));
+
+                    bf_lockDir (rGroupDef.bfs,
+                               res_get (common_resource, "lockDir"));
+                   rGroupDef.zebra_maps = zebra_maps_open (common_resource);
                 }
                 if (!strcmp (arg, "update"))
                     cmd = 'u';
@@ -245,106 +315,123 @@ int main (int argc, char **argv)
                     cmd = 'd';
                 else if (!strcmp (arg, "commit"))
                 {
-                    zebraIndexLock (1);
                     rval = res_get (common_resource, "shadow");
+                    zebraIndexLock (rGroupDef.bfs, 1, rval);
                     if (rval && *rval)
-                        bf_cache (1);
+                        bf_cache (rGroupDef.bfs, rval);
                     else
                     {
                         logf (LOG_FATAL, "Cannot perform commit");
                         logf (LOG_FATAL, "No shadow area defined");
                         exit (1);
                     }
-                    if (bf_commitExists ())
+                    if (bf_commitExists (rGroupDef.bfs))
                     {
-                        logf (LOG_LOG, "Commit start");
+                        logf (LOG_LOG, "commit start");
                         zebraIndexLockMsg ("c");
                         zebraIndexWait (1);
-                        logf (LOG_LOG, "Commit execute");
-                        bf_commitExec ();
+                        logf (LOG_LOG, "commit execute");
+                        bf_commitExec (rGroupDef.bfs);
+#ifndef WINDOWS
                         sync ();
+#endif
                         zebraIndexLockMsg ("d");
                         zebraIndexWait (0);
-                        logf (LOG_LOG, "Commit clean");
-                        bf_commitClean ();
+                        logf (LOG_LOG, "commit clean");
+                        bf_commitClean (rGroupDef.bfs, rval);
                     }
                     else
-                        logf (LOG_LOG, "Nothing to commit");
+                        logf (LOG_LOG, "cothing to commit");
                 }
                 else if (!strcmp (arg, "clean"))
                 {
-                    zebraIndexLock (1);
-                    if (bf_commitExists ())
+                    rval = res_get (common_resource, "shadow");
+                    zebraIndexLock (rGroupDef.bfs, 1, rval);
+                    if (bf_commitExists (rGroupDef.bfs))
                     {
                         zebraIndexLockMsg ("d");
                         zebraIndexWait (0);
-                        logf (LOG_LOG, "Commit clean");
-                        bf_commitClean ();
+                        logf (LOG_LOG, "commit clean");
+                        bf_commitClean (rGroupDef.bfs, rval);
                     }
                     else
-                        logf (LOG_LOG, "Nothing to clean");
+                        logf (LOG_LOG, "nothing to clean");
                 }
                 else if (!strcmp (arg, "stat") || !strcmp (arg, "status"))
                 {
-                    zebraIndexLock (0);
+                   Records records;
                     rval = res_get (common_resource, "shadow");
+                    zebraIndexLock (rGroupDef.bfs, 0, rval);
                     if (rval && *rval)
                     {
-                        bf_cache (1);
+                        bf_cache (rGroupDef.bfs, rval);
                         zebraIndexLockMsg ("r");
                     }
-                    rec_prstat ();
-                    inv_prstat  (FNAME_WORD_DICT, FNAME_WORD_ISAM);
+                   records = rec_open (rGroupDef.bfs, 0);
+                    rec_prstat (records);
+                   rec_close (&records);
+                    inv_prstat (rGroupDef.bfs);
                 }
                 else
                 {
-                    logf (LOG_FATAL, "Unknown command: %s", arg);
+                    logf (LOG_FATAL, "unknown command: %s", arg);
                     exit (1);
                 }
             }
-            else
+           else
             {
                 struct recordGroup rGroup;
 
-                zebraIndexLock (0);
                 rval = res_get (common_resource, "shadow");
-                if (rval && *rval && !disableCommit)
-                {
-                    bf_cache (1);
-                    zebraIndexLockMsg ("r");
-                }
-                else
-                {
-                    bf_cache (0);
-                    zebraIndexLockMsg ("w");
-                }
-                zebraIndexWait (0);
-                
+                zebraIndexLock (rGroupDef.bfs, 0, rval);
+               if (rGroupDef.flagRw)
+               {
+                   if (rval && *rval && !disableCommit)
+                   {
+                       bf_cache (rGroupDef.bfs, rval);
+                       zebraIndexLockMsg ("r");
+                   }
+                   else
+                   {
+                       bf_cache (rGroupDef.bfs, 0);
+                       zebraIndexLockMsg ("w");
+                   }
+                   zebraIndexWait (0);
+               }
                 memcpy (&rGroup, &rGroupDef, sizeof(rGroup));
                 rGroup.path = arg;
                 switch (cmd)
                 {
                 case 'u':
-                    key_open (mem_max);
-                    logf (LOG_LOG, "Updating %s", rGroup.path);
-                    repositoryUpdate (&rGroup);
-                    nsections = key_close ();
+                    if (!key_open (rGroup.bfs, mem_max, rGroup.flagRw,
+                                  rGroup.dh))
+                   {
+                       logf (LOG_LOG, "updating %s", rGroup.path);
+                       repositoryUpdate (&rGroup);
+                       nsections = key_close (rGroup.flagRw);
+                   }
                     break;
                 case 'U':
-                    key_open (mem_max);
-                    logf (LOG_LOG, "Updating (pass 1) %s", rGroup.path);
-                    repositoryUpdate (&rGroup);
-                    key_close ();
+                    if (!key_open (rGroup.bfs,mem_max, rGroup.flagRw,
+                                  rGroup.dh))
+                   {
+                       logf (LOG_LOG, "updating (pass 1) %s", rGroup.path);
+                       repositoryUpdate (&rGroup);
+                       key_close (rGroup.flagRw);
+                   }
                     nsections = 0;
                     break;
                 case 'd':
-                    key_open (mem_max);
-                    logf (LOG_LOG, "Deleting %s", rGroup.path);
-                    repositoryDelete (&rGroup);
-                    nsections = key_close ();
+                    if (!key_open (rGroup.bfs,mem_max, rGroup.flagRw,
+                                  rGroup.dh))
+                   {
+                       logf (LOG_LOG, "deleting %s", rGroup.path);
+                       repositoryDelete (&rGroup);
+                       nsections = key_close (rGroup.flagRw);
+                   }
                     break;
                 case 's':
-                    logf (LOG_LOG, "Dumping %s", rGroup.path);
+                    logf (LOG_LOG, "dumping %s", rGroup.path);
                     repositoryShow (&rGroup);
                     nsections = 0;
                     break;
@@ -357,34 +444,31 @@ int main (int argc, char **argv)
                 cmd = 0;
                 if (nsections)
                 {
-                    logf (LOG_LOG, "Merging with index");
-                    key_input (FNAME_WORD_DICT, FNAME_WORD_ISAM, nsections,
-                               60);
+                    logf (LOG_LOG, "merging with index");
+                    key_input (rGroup.bfs, nsections, 60);
+#ifndef WINDOWS
                     sync ();
+#endif
                 }
+                log_event_end (NULL, NULL);
             }
         }
         else if (ret == 'V')
         {
-            fprintf (stderr, "Zebra %s %s\n",
-                     ZEBRAVER, ZEBRADATE);
+            fprintf (stderr, "Zebra %s %s\n", ZEBRAVER, ZEBRADATE);
         }
         else if (ret == 'v')
-        {
             log_init (log_mask_str(arg), prog, NULL);
-        }
         else if (ret == 'm')
-        {
             mem_max = 1024*1024*atoi(arg);
-        }
         else if (ret == 'd')
-        {
             rGroupDef.databaseName = arg;
-        }
+       else if (ret == 's')
+           rGroupDef.flagRw = 0;
         else if (ret == 'g')
-        {
             rGroupDef.groupName = arg;
-        }
+        else if (ret == 'f')
+            rGroupDef.fileVerboseLimit = atoi(arg);
         else if (ret == 'c')
             configName = arg;
         else if (ret == 't')
@@ -392,13 +476,15 @@ int main (int argc, char **argv)
         else if (ret == 'n')
             disableCommit = 1;
         else
-        {
-            logf (LOG_FATAL, "Unknown option '-%s'", arg);
-            exit (1);
-        }
+            logf (LOG_WARN, "unknown option '-%s'", arg);
     }
     if (common_resource)
+    {
         zebraIndexUnlock ();
+       bfs_destroy (rGroupDef.bfs);
+    }
+    data1_destroy (rGroupDef.dh);
     exit (0);
+    return 0;
 }