Extend comment about start facet parameter
[yaz-moved-to-github.git] / src / zoom-record-cache.c
index b9d7a1e..957e8f9 100644 (file)
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2011 Index Data
+ * Copyright (C) Index Data
  * See the file LICENSE for details.
  */
 /**
@@ -49,16 +49,6 @@ struct ZOOM_record_cache_p {
     ZOOM_record_cache next;
 };
 
-
-static int strcmp_null(const char *v1, const char *v2)
-{
-    if (!v1 && !v2)
-        return 0;
-    if (!v1 || !v2)
-        return -1;
-    return strcmp(v1, v2);
-}
-
 static size_t record_hash(int pos)
 {
     if (pos < 0)
@@ -66,23 +56,25 @@ static size_t record_hash(int pos)
     return pos % RECORD_HASH_SIZE;
 }
 
-void ZOOM_record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr, 
-                           int pos,
-                           const char *syntax, const char *elementSetName,
-                           const char *schema,
-                           Z_SRW_diagnostic *diag)
+static ZOOM_record record_cache_add(ZOOM_resultset r,
+                                    Z_NamePlusRecord *npr,
+                                    int pos,
+                                    const char *syntax,
+                                    const char *elementSetName,
+                                    const char *schema,
+                                    Z_SRW_diagnostic *diag)
 {
     ZOOM_record_cache rc = 0;
-    
+
     ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
     ZOOM_connection_put_event(r->connection, event);
 
     for (rc = r->record_hash[record_hash(pos)]; rc; rc = rc->next)
     {
-        if (pos == rc->pos 
-            && strcmp_null(r->schema, rc->schema) == 0
-            && strcmp_null(elementSetName,rc->elementSetName) == 0
-            && strcmp_null(syntax, rc->syntax) == 0)
+        if (pos == rc->pos
+            && yaz_strcmp_null(schema, rc->schema) == 0
+            && yaz_strcmp_null(elementSetName,rc->elementSetName) == 0
+            && yaz_strcmp_null(syntax, rc->syntax) == 0)
             break;
     }
     if (!rc)
@@ -96,15 +88,17 @@ void ZOOM_record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
         rc->rec.wrbuf = 0;
 #endif
         rc->elementSetName = odr_strdup_null(r->odr, elementSetName);
-        
+
         rc->syntax = odr_strdup_null(r->odr, syntax);
-        
-        rc->schema = odr_strdup_null(r->odr, r->schema);
+
+        rc->schema = odr_strdup_null(r->odr, schema);
 
         rc->pos = pos;
         rc->next = r->record_hash[record_hash(pos)];
         r->record_hash[record_hash(pos)] = rc;
+
     }
+
     rc->rec.npr = npr;
     rc->rec.schema = odr_strdup_null(r->odr, schema);
     rc->rec.diag_set = 0;
@@ -121,26 +115,38 @@ void ZOOM_record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
                 *cp = '\0';
             rc->rec.diag_uri = odr_strdup(r->odr, diag->uri);
         }
-        rc->rec.diag_message = odr_strdup_null(r->odr, diag->message);            
+        rc->rec.diag_message = odr_strdup_null(r->odr, diag->message);
         rc->rec.diag_details = odr_strdup_null(r->odr, diag->details);
     }
+    return &rc->rec;
 }
 
-ZOOM_record ZOOM_record_cache_lookup(ZOOM_resultset r, int pos,
-                                     const char *syntax,
-                                     const char *elementSetName)
+void ZOOM_record_cache_add(ZOOM_resultset r, Z_NamePlusRecord *npr,
+                           int pos,
+                           const char *syntax, const char *elementSetName,
+                           const char *schema,
+                           Z_SRW_diagnostic *diag)
+{
+    record_cache_add(r, npr, pos, syntax, elementSetName, schema, diag);
+    ZOOM_memcached_add(r, npr, pos, syntax, elementSetName, schema, diag);
+}
+
+ZOOM_record ZOOM_record_cache_lookup_i(ZOOM_resultset r, int pos,
+                                       const char *syntax,
+                                       const char *elementSetName,
+                                       const char *schema)
 {
     ZOOM_record_cache rc;
-    
+
     for (rc = r->record_hash[record_hash(pos)]; rc; rc = rc->next)
     {
         if (pos == rc->pos)
         {
-            if (strcmp_null(r->schema, rc->schema))
+            if (yaz_strcmp_null(schema, rc->schema))
                 continue;
-            if (strcmp_null(elementSetName,rc->elementSetName))
+            if (yaz_strcmp_null(elementSetName,rc->elementSetName))
                 continue;
-            if (strcmp_null(syntax, rc->syntax))
+            if (yaz_strcmp_null(syntax, rc->syntax))
                 continue;
             return &rc->rec;
         }
@@ -148,6 +154,27 @@ ZOOM_record ZOOM_record_cache_lookup(ZOOM_resultset r, int pos,
     return 0;
 }
 
+ZOOM_record ZOOM_record_cache_lookup(ZOOM_resultset r, int pos,
+                                     const char *syntax,
+                                     const char *elementSetName,
+                                     const char *schema)
+{
+    Z_NamePlusRecord *npr;
+    ZOOM_record rec = ZOOM_record_cache_lookup_i(r, pos, syntax,
+                                                 elementSetName, schema);
+    if (rec)
+    {
+        ZOOM_Event event = ZOOM_Event_create(ZOOM_EVENT_RECV_RECORD);
+        ZOOM_connection_put_event(r->connection, event);
+        return rec;
+    }
+    npr = ZOOM_memcached_lookup(r, pos, syntax, elementSetName, schema);
+    if (npr)
+        return record_cache_add(r, npr, pos, syntax, elementSetName,
+                                schema, 0);
+    return 0;
+}
+
 ZOOM_API(ZOOM_record)
     ZOOM_record_clone(ZOOM_record srec)
 {
@@ -160,7 +187,7 @@ ZOOM_API(ZOOM_record)
     if (!z_NamePlusRecord(odr_enc, &srec->npr, 0, 0))
         return 0;
     buf = odr_getbuf(odr_enc, &size, 0);
-    
+
     nrec = (ZOOM_record) xmalloc(sizeof(*nrec));
     nrec->odr = odr_createmem(ODR_DECODE);
 #if SHPTR
@@ -170,7 +197,7 @@ ZOOM_API(ZOOM_record)
 #endif
     odr_setbuf(nrec->odr, buf, size, 0);
     z_NamePlusRecord(nrec->odr, &nrec->npr, 0, 0);
-    
+
     nrec->schema = odr_strdup_null(nrec->odr, srec->schema);
     nrec->diag_uri = odr_strdup_null(nrec->odr, srec->diag_uri);
     nrec->diag_message = odr_strdup_null(nrec->odr, srec->diag_message);
@@ -217,10 +244,10 @@ ZOOM_API(const char *)
     ZOOM_record_get(ZOOM_record rec, const char *type_spec, int *len)
 {
     WRBUF wrbuf;
-    
+
     if (len)
         *len = 0; /* default return */
-        
+
     if (!rec || !rec->npr)
         return 0;
 
@@ -244,7 +271,7 @@ ZOOM_API(int)
                       const char **addinfo, const char **diagset)
 {
     Z_NamePlusRecord *npr;
-    
+
     if (!rec)
         return 0;
 
@@ -269,7 +296,7 @@ ZOOM_API(int)
         {
             Z_DefaultDiagFormat *ddf = diag_rec->u.defaultFormat;
             oid_class oclass;
-    
+
             error = *ddf->condition;
             switch (ddf->which)
             {