Added function, oid_ent_to_oid, to replace the function
[yaz-moved-to-github.git] / server / seshigh.c
index b420bbc..31ef866 100644 (file)
@@ -4,7 +4,32 @@
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: seshigh.c,v $
- * Revision 1.61  1996-06-10 08:56:16  quinn
+ * Revision 1.68  1997-09-29 13:18:59  adam
+ * Added function, oid_ent_to_oid, to replace the function
+ * oid_getoidbyent, which is not thread safe.
+ *
+ * Revision 1.67  1997/09/17 12:10:40  adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.66  1997/09/05 15:26:44  adam
+ * Added ODR encode in search and scen bend request structures.
+ * Fixed a few enums that caused trouble with C++.
+ *
+ * Revision 1.65  1997/09/01 08:53:01  adam
+ * New windows NT/95 port using MSV5.0. The test server 'ztest' was
+ * moved a separate directory. MSV5.0 project server.dsp created.
+ * As an option, the server can now operate as an NT service.
+ *
+ * Revision 1.64  1997/04/30 08:52:11  quinn
+ * Null
+ *
+ * Revision 1.63  1996/10/11  11:57:26  quinn
+ * Smallish
+ *
+ * Revision 1.62  1996/07/06  19:58:35  quinn
+ * System headerfiles gathered in yconfig
+ *
+ * Revision 1.61  1996/06/10  08:56:16  quinn
  * Work on Summary.
  *
  * Revision 1.60  1996/05/30  11:03:10  quinn
  *
  */
 
+#include <yconfig.h>
 #include <stdlib.h>
 #include <stdio.h>
+#ifdef WINDOWS
+#include <process.h>
+#else
 #include <unistd.h>
+#endif
 #include <assert.h>
-#include <sys/time.h>
 
 #include <xmalloc.h>
 #include <comstack.h>
-#include <eventl.h>
-#include <session.h>
+#include "eventl.h"
+#include "session.h"
 #include <proto.h>
 #include <oid.h>
 #include <log.h>
@@ -333,14 +362,16 @@ void destroy_association(association *h)
        bend_close(h->backend);
     while (request_deq(&h->incoming));
     while (request_deq(&h->outgoing));
-   xfree(h);
+    request_delq(&h->incoming);
+    request_delq(&h->outgoing);
+    xfree(h);
 }
 
 static void do_close(association *a, int reason, char *message)
 {
     Z_APDU apdu;
     Z_Close *cls = zget_Close(a->encode);
-    request *req = request_get();
+    request *req = request_get(&a->outgoing);
 
     /* Purge request queue */
     while (request_deq(&a->incoming));
@@ -428,13 +459,13 @@ void ir_session(IOCHAN h, int event)
                
            /* we got a complete PDU. Let's decode it */
            logf(LOG_DEBUG, "Got PDU, %d bytes", res);
-           req = request_get(); /* get a new request structure */
+           req = request_get(&assoc->incoming); /* get a new request structure */
            odr_reset(assoc->decode);
            odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
            if (!z_APDU(assoc->decode, &req->request, 0))
            {
                logf(LOG_LOG, "ODR error on incoming PDU: %s [near byte %d] ",
-                   odr_errlist[odr_geterror(assoc->decode)],
+                   odr_errmsg(odr_geterror(assoc->decode)),
                    odr_offset(assoc->decode));
                logf(LOG_LOG, "PDU dump:");
                odr_dumpBER(log_file(), assoc->input_buffer, res);
@@ -445,7 +476,7 @@ void ir_session(IOCHAN h, int event)
            if (assoc->print && !z_APDU(assoc->print, &req->request, 0))
            {
                logf(LOG_WARN, "ODR print error: %s", 
-                   odr_errlist[odr_geterror(assoc->print)]);
+                   odr_errmsg(odr_geterror(assoc->print)));
                odr_reset(assoc->print);
            }
            request_enq(&assoc->incoming, req);
@@ -593,7 +624,7 @@ static int process_response(association *assoc, request *req, Z_APDU *res)
     if (!z_APDU(assoc->encode, &res, 0))
     {
        logf(LOG_WARN, "ODR error when encoding response: %s",
-           odr_errlist[odr_geterror(assoc->decode)]);
+           odr_errmsg(odr_geterror(assoc->decode)));
        odr_reset(assoc->encode);
        return -1;
     }
@@ -604,7 +635,7 @@ static int process_response(association *assoc, request *req, Z_APDU *res)
     if (assoc->print && !z_APDU(assoc->print, &res, 0))
     {
        logf(LOG_WARN, "ODR print error: %s", 
-           odr_errlist[odr_geterror(assoc->print)]);
+           odr_errmsg(odr_geterror(assoc->print)));
        odr_reset(assoc->print);
     }
     /* change this when we make the backend reentrant */
@@ -646,6 +677,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     if (req->implementationVersion)
        logf(LOG_LOG, "Version:   %s", req->implementationVersion);
 
+    binitreq.stream = assoc->encode;
     binitreq.configname = "default-config";
     binitreq.auth = req->idAuthentication;
     if (!(binitres = bend_init(&binitreq)))
@@ -734,131 +766,115 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
 /*
  * nonsurrogate diagnostic record.
  */
-static Z_Records *diagrec(oid_proto proto, int error, char *addinfo)
+static Z_Records *diagrec(association *assoc, int error, char *addinfo)
 {
-    static Z_Records rec;
+    int oid[OID_SIZE];
+    Z_Records *rec = odr_malloc (assoc->encode, sizeof(*rec));
     oident bib1;
-    static int err;
-#ifdef Z_95
-    static Z_DiagRec drec;
-    static Z_DefaultDiagFormat dr;
-#else
-    static Z_DiagRec dr;
-#endif
+    int *err = odr_malloc (assoc->encode, sizeof(*err));
+    Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+    Z_DefaultDiagFormat *dr = odr_malloc (assoc->encode, sizeof(*dr));
 
-    bib1.proto = proto;
+    bib1.proto = assoc->proto;
     bib1.oclass = CLASS_DIAGSET;
     bib1.value = VAL_BIB1;
 
     logf(LOG_DEBUG, "Diagnostic: %d -- %s", error, addinfo ? addinfo :
        "NULL");
-    err = error;
-    rec.which = Z_Records_NSD;
+    *err = error;
+    rec->which = Z_Records_NSD;
 #ifdef Z_95
-    rec.u.nonSurrogateDiagnostic = &drec;
-    drec.which = Z_DiagRec_defaultFormat;
-    drec.u.defaultFormat = &dr;
+    rec->u.nonSurrogateDiagnostic = drec;
+    drec->which = Z_DiagRec_defaultFormat;
+    drec->u.defaultFormat = dr;
 #else
-    rec.u.nonSurrogateDiagnostic = &dr;
+    rec->u.nonSurrogateDiagnostic = dr;
 #endif
-    dr.diagnosticSetId = oid_getoidbyent(&bib1);
-    dr.condition = &err;
-    dr.which = Z_DiagForm_v2AddInfo;
-    dr.addinfo = addinfo ? addinfo : "";
-    return &rec;
+    dr->diagnosticSetId = oid_ent_to_oid(&bib1, oid);
+    dr->condition = err;
+    dr->which = Z_DiagForm_v2AddInfo;
+    dr->addinfo = addinfo ? addinfo : "";
+    return rec;
 }
 
 /*
  * surrogate diagnostic.
  */
-static Z_NamePlusRecord *surrogatediagrec(oid_proto proto, char *dbname,
+static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
                                            int error, char *addinfo)
 {
-    static Z_NamePlusRecord rec;
-    static int err;
+    int oid[OID_SIZE];
+    Z_NamePlusRecord *rec = odr_malloc (assoc->encode, sizeof(*rec));
+    int *err = odr_malloc (assoc->encode, sizeof(*err));
     oident bib1;
-#ifdef Z_95
-    static Z_DiagRec drec;
-    static Z_DefaultDiagFormat dr;
-#else
-    static Z_DiagRec dr;
-#endif
+    Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+    Z_DefaultDiagFormat *dr = odr_malloc (assoc->encode, sizeof(*dr));
 
-    bib1.proto = proto;
+    bib1.proto = assoc->proto;
     bib1.oclass = CLASS_DIAGSET;
     bib1.value = VAL_BIB1;
 
     logf(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo);
-    err = error;
-    rec.databaseName = dbname;
-    rec.which = Z_NamePlusRecord_surrogateDiagnostic;
-#ifdef Z_95
-    rec.u.surrogateDiagnostic = &drec;
-    drec.which = Z_DiagRec_defaultFormat;
-    drec.u.defaultFormat = &dr;
-#else
-    rec.u.surrogateDiagnostic = &dr;
-#endif
-    dr.diagnosticSetId = oid_getoidbyent(&bib1);
-    dr.condition = &err;
-    dr.which = Z_DiagForm_v2AddInfo;
-    dr.addinfo = addinfo ? addinfo : "";
-    return &rec;
+    *err = error;
+    rec->databaseName = dbname;
+    rec->which = Z_NamePlusRecord_surrogateDiagnostic;
+    rec->u.surrogateDiagnostic = drec;
+    drec->which = Z_DiagRec_defaultFormat;
+    drec->u.defaultFormat = dr;
+    dr->diagnosticSetId = oid_ent_to_oid(&bib1, oid);
+    dr->condition = err;
+    dr->which = Z_DiagForm_v2AddInfo;
+    dr->addinfo = addinfo ? addinfo : "";
+    return rec;
 }
 
 /*
  * multiple nonsurrogate diagnostics.
  */
-static Z_DiagRecs *diagrecs(oid_proto proto, int error, char *addinfo)
+static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo)
 {
-    static Z_DiagRecs recs;
-    static int err;
+    int oid[OID_SIZE];
+    Z_DiagRecs *recs = odr_malloc (assoc->encode, sizeof(*recs));
+    int *err = odr_malloc (assoc->encode, sizeof(*err));
     oident bib1;
-#ifdef Z_95
-    static Z_DiagRec *recp[1], drec;
-    static Z_DefaultDiagFormat rec;
-#else
-    static Z_DiagRec *recp[1], rec;
-#endif
+    Z_DiagRec **recp = odr_malloc (assoc->encode, sizeof(*recp));
+    Z_DiagRec *drec = odr_malloc (assoc->encode, sizeof(*drec));
+    Z_DefaultDiagFormat *rec = odr_malloc (assoc->encode, sizeof(*rec));
 
     logf(LOG_DEBUG, "DiagRecs: %d -- %s", error, addinfo);
-    bib1.proto = proto;
+    bib1.proto = assoc->proto;
     bib1.oclass = CLASS_DIAGSET;
     bib1.value = VAL_BIB1;
 
-    err = error;
-    recs.num_diagRecs = 1;
-    recs.diagRecs = recp;
-#ifdef Z_95
-    recp[0] = &drec;
-    drec.which = Z_DiagRec_defaultFormat;
-    drec.u.defaultFormat = &rec;
-#else
-    recp[0] = &rec;
-#endif
-    rec.diagnosticSetId = oid_getoidbyent(&bib1);
-    rec.condition = &err;
-    rec.which = Z_DiagForm_v2AddInfo;
-    rec.addinfo = addinfo ? addinfo : "";
-    return &recs;
+    *err = error;
+    recs->num_diagRecs = 1;
+    recs->diagRecs = recp;
+    recp[0] = drec;
+    drec->which = Z_DiagRec_defaultFormat;
+    drec->u.defaultFormat = rec;
+
+    rec->diagnosticSetId = oid_ent_to_oid(&bib1, oid);
+    rec->condition = err;
+    rec->which = Z_DiagForm_v2AddInfo;
+    rec->addinfo = addinfo ? addinfo : "";
+    return recs;
 }
 
-#define MAX_RECORDS 256
-
 static Z_Records *pack_records(association *a, char *setname, int start,
                                int *num, Z_RecordComposition *comp,
                                int *next, int *pres, oid_value format)
 {
-    int recno, total_length = 0, toget = *num;
-    static Z_Records records;
-    static Z_NamePlusRecordList reclist;
-    static Z_NamePlusRecord *list[MAX_RECORDS];
+    int oid[OID_SIZE];
+    int recno, total_length = 0, toget = *num, dumped_records = 0;
+    Z_Records *records = odr_malloc (a->encode, sizeof(*records));
+    Z_NamePlusRecordList *reclist = odr_malloc (a->encode, sizeof(*reclist));
+    Z_NamePlusRecord **list = odr_malloc (a->encode, sizeof(*list) * toget);
     oident recform;
 
-    records.which = Z_Records_DBOSD;
-    records.u.databaseOrSurDiagnostics = &reclist;
-    reclist.num_records = 0;
-    reclist.records = list;
+    records->which = Z_Records_DBOSD;
+    records->u.databaseOrSurDiagnostics = reclist;
+    reclist->num_records = 0;
+    reclist->records = list;
     *pres = Z_PRES_SUCCESS;
     *num = 0;
     *next = 0;
@@ -866,7 +882,7 @@ static Z_Records *pack_records(association *a, char *setname, int start,
     logf(LOG_DEBUG, "Request to pack %d+%d", start, toget);
     logf(LOG_DEBUG, "pms=%d, mrs=%d", a->preferredMessageSize,
        a->maximumRecordSize);
-    for (recno = start; reclist.num_records < toget; recno++)
+    for (recno = start; reclist->num_records < toget; recno++)
     {
        bend_fetchrequest freq;
        bend_fetchresult *fres;
@@ -879,12 +895,7 @@ static Z_Records *pack_records(association *a, char *setname, int start,
         * allocation done by the backend - this should give us a reasonable
         * idea of the total size of the data so far.
         */
-       total_length = odr_total(a->encode);
-       if (reclist.num_records == MAX_RECORDS - 1)
-       {
-           *pres = Z_PRES_PARTIAL_2;
-           break;
-       }
+       total_length = odr_total(a->encode) - dumped_records;
        freq.setname = setname;
        freq.number = recno;
        freq.comp = comp;
@@ -893,14 +904,14 @@ static Z_Records *pack_records(association *a, char *setname, int start,
        if (!(fres = bend_fetch(a->backend, &freq, 0)))
        {
            *pres = Z_PRES_FAILURE;
-           return diagrec(a->proto, 2, "Backend interface problem");
+           return diagrec(a, 2, "Backend interface problem");
        }
        /* backend should be able to signal whether error is system-wide
           or only pertaining to current record */
        if (fres->errcode)
        {
            *pres = Z_PRES_FAILURE;
-           return diagrec(a->proto, fres->errcode, fres->errstring);
+           return diagrec(a, fres->errcode, fres->errstring);
        }
        if (fres->len >= 0)
            this_length = fres->len;
@@ -924,20 +935,22 @@ static Z_Records *pack_records(association *a, char *setname, int start,
                if (toget > 1)
                {
                    logf(LOG_DEBUG, "  Dropped it");
-                   reclist.records[reclist.num_records] =
-                        surrogatediagrec(a->proto, fres->basename, 16, 0);
-                   reclist.num_records++;
+                   reclist->records[reclist->num_records] =
+                        surrogatediagrec(a, fres->basename, 16, 0);
+                   reclist->num_records++;
                    *next = fres->last_in_set ? 0 : recno + 1;
+                   dumped_records += this_length;
                    continue;
                }
            }
            else /* too big entirely */
            {
                logf(LOG_DEBUG, "Record > maxrcdsz");
-               reclist.records[reclist.num_records] =
-                   surrogatediagrec(a->proto, fres->basename, 17, 0);
-               reclist.num_records++;
+               reclist->records[reclist->num_records] =
+                   surrogatediagrec(a, fres->basename, 17, 0);
+               reclist->num_records++;
                *next = fres->last_in_set ? 0 : recno + 1;
+               dumped_records += this_length;
                continue;
            }
        }
@@ -955,7 +968,7 @@ static Z_Records *pack_records(association *a, char *setname, int start,
        recform.oclass = CLASS_RECSYN;
        recform.value = fres->format;
        thisext->direct_reference = odr_oiddup(a->encode,
-           oid_getoidbyent(&recform));
+           oid_ent_to_oid(&recform, oid));
        thisext->indirect_reference = 0;
        thisext->descriptor = 0;
        if (fres->len < 0) /* Structured data */
@@ -1005,12 +1018,12 @@ static Z_Records *pack_records(association *a, char *setname, int start,
            thisext->u.octet_aligned->len = thisext->u.octet_aligned->size =
                fres->len;
        }
-       reclist.records[reclist.num_records] = thisrec;
-       reclist.num_records++;
+       reclist->records[reclist->num_records] = thisrec;
+       reclist->num_records++;
        *next = fres->last_in_set ? 0 : recno + 1;
     }
-    *num = reclist.num_records;
-    return &records;
+    *num = reclist->num_records;
+    return records;
 }
 
 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
@@ -1027,6 +1040,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
     bsrq.num_bases = req->num_databaseNames;
     bsrq.basenames = req->databaseNames;
     bsrq.query = req->query;
+    bsrq.stream = assoc->encode;
 
     if (!(bsrt = bend_search(assoc->backend, &bsrq, fd)))
        return 0;
@@ -1046,20 +1060,23 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     bend_searchresult *bsrt, int *fd)
 {
     Z_SearchRequest *req = reqb->request->u.searchRequest;
-    static Z_APDU apdu;
-    static Z_SearchResponse resp;
-    static int nulint = 0;
-    static bool_t sr = 1;
-    static int next = 0;
-    static int none = Z_RES_NONE;
-
-    apdu.which = Z_APDU_searchResponse;
-    apdu.u.searchResponse = &resp;
-    resp.referenceId = req->referenceId;
-#ifdef Z_95
-    resp.additionalSearchInfo = 0;
-    resp.otherInfo = 0;
-#endif
+    Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+    Z_SearchResponse *resp = odr_malloc (assoc->encode, sizeof(*resp));
+    int *nulint = odr_malloc (assoc->encode, sizeof(*nulint));
+    bool_t *sr = odr_malloc (assoc->encode, sizeof(*sr));
+    int *next = odr_malloc (assoc->encode, sizeof(*next));
+    int *none = odr_malloc (assoc->encode, sizeof(*none));
+
+    *nulint = 0;
+    *sr = 1;
+    *next = 0;
+    *none = Z_RES_NONE;
+
+    apdu->which = Z_APDU_searchResponse;
+    apdu->u.searchResponse = resp;
+    resp->referenceId = req->referenceId;
+    resp->additionalSearchInfo = 0;
+    resp->otherInfo = 0;
     *fd = -1;
     if (!bsrt && !(bsrt = bend_searchresponse(assoc->backend)))
     {
@@ -1068,44 +1085,45 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     }
     else if (bsrt->errcode)
     {
-       resp.records = diagrec(assoc->proto, bsrt->errcode,
-           bsrt->errstring);
-       resp.resultCount = &nulint;
-       resp.numberOfRecordsReturned = &nulint;
-       resp.nextResultSetPosition = &nulint;
-       resp.searchStatus = &nulint;
-       resp.resultSetStatus = &none;
-       resp.presentStatus = 0;
+       resp->records = diagrec(assoc, bsrt->errcode, bsrt->errstring);
+       resp->resultCount = nulint;
+       resp->numberOfRecordsReturned = nulint;
+       resp->nextResultSetPosition = nulint;
+       resp->searchStatus = nulint;
+       resp->resultSetStatus = none;
+       resp->presentStatus = 0;
     }
     else
     {
-       static int toget;
+       int *toget = odr_malloc (assoc->encode, sizeof(*toget));
+        int *presst = odr_malloc (assoc->encode, sizeof(*presst));
        Z_RecordComposition comp, *compp = 0;
-       static int presst = 0;
 
-       resp.records = 0;
-       resp.resultCount = &bsrt->hits;
+        *toget = 0;
+        *presst = 0;
+       resp->records = 0;
+       resp->resultCount = &bsrt->hits;
 
        comp.which = Z_RecordComp_simple;
        /* how many records does the user agent want, then? */
        if (bsrt->hits <= *req->smallSetUpperBound)
        {
-           toget = bsrt->hits;
+           *toget = bsrt->hits;
            if ((comp.u.simple = req->smallSetElementSetNames))
                compp = &comp;
        }
        else if (bsrt->hits < *req->largeSetLowerBound)
        {
-           toget = *req->mediumSetPresentNumber;
-           if (toget > bsrt->hits)
-               toget = bsrt->hits;
+           *toget = *req->mediumSetPresentNumber;
+           if (*toget > bsrt->hits)
+               *toget = bsrt->hits;
            if ((comp.u.simple = req->mediumSetElementSetNames))
                compp = &comp;
        }
        else
-           toget = 0;
+           *toget = 0;
 
-       if (toget && !resp.records)
+       if (*toget && !resp->records)
        {
            oident *prefformat;
            oid_value form;
@@ -1115,28 +1133,28 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
                form = VAL_NONE;
            else
                form = prefformat->value;
-           resp.records = pack_records(assoc, req->resultSetName, 1,
-               &toget, compp, &next, &presst, form);
-           if (!resp.records)
+           resp->records = pack_records(assoc, req->resultSetName, 1,
+               toget, compp, next, presst, form);
+           if (!resp->records)
                return 0;
-           resp.numberOfRecordsReturned = &toget;
-           resp.nextResultSetPosition = &next;
-           resp.searchStatus = &sr;
-           resp.resultSetStatus = 0;
-           resp.presentStatus = &presst;
+           resp->numberOfRecordsReturned = toget;
+           resp->nextResultSetPosition = next;
+           resp->searchStatus = sr;
+           resp->resultSetStatus = 0;
+           resp->presentStatus = presst;
        }
        else
        {
-           if (*resp.resultCount)
-               next = 1;
-           resp.numberOfRecordsReturned = &nulint;
-           resp.nextResultSetPosition = &next;
-           resp.searchStatus = &sr;
-           resp.resultSetStatus = 0;
-           resp.presentStatus = 0;
+           if (*resp->resultCount)
+               *next = 1;
+           resp->numberOfRecordsReturned = nulint;
+           resp->nextResultSetPosition = next;
+           resp->searchStatus = sr;
+           resp->resultSetStatus = 0;
+           resp->presentStatus = 0;
        }
     }
-    return &apdu;
+    return apdu;
 }
 
 /*
@@ -1158,37 +1176,40 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
     int *fd)
 {
     Z_PresentRequest *req = reqb->request->u.presentRequest;
-    static Z_APDU apdu;
-    static Z_PresentResponse resp;
-    static int presst, next, num;
+    Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+    Z_PresentResponse *resp = odr_malloc (assoc->encode, sizeof(*resp));
+    int *presst = odr_malloc (assoc->encode, sizeof(*presst));
+    int *next = odr_malloc (assoc->encode, sizeof(*next));
+    int *num = odr_malloc (assoc->encode, sizeof(*num));
     oident *prefformat;
     oid_value form;
 
-
     logf(LOG_LOG, "Got PresentRequest.");
-    apdu.which = Z_APDU_presentResponse;
-    apdu.u.presentResponse = &resp;
-    resp.referenceId = req->referenceId;
-#ifdef Z_95
-    resp.otherInfo = 0;
-#endif
+    *presst = 0;
+    *next = 0;
+    *num = 0;
+
+    apdu->which = Z_APDU_presentResponse;
+    apdu->u.presentResponse = resp;
+    resp->referenceId = req->referenceId;
+    resp->otherInfo = 0;
 
     if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) ||
        prefformat->oclass != CLASS_RECSYN)
        form = VAL_NONE;
     else
        form = prefformat->value;
-    num = *req->numberOfRecordsRequested;
-    resp.records = pack_records(assoc, req->resultSetId,
-       *req->resultSetStartPoint, &num, req->recordComposition, &next,
-       &presst, form);
-    if (!resp.records)
+    *num = *req->numberOfRecordsRequested;
+    resp->records = pack_records(assoc, req->resultSetId,
+       *req->resultSetStartPoint, num, req->recordComposition, next,
+       presst, form);
+    if (!resp->records)
        return 0;
-    resp.numberOfRecordsReturned = &num;
-    resp.presentStatus = &presst;
-    resp.nextResultSetPosition = &next;
+    resp->numberOfRecordsReturned = num;
+    resp->presentStatus = presst;
+    resp->nextResultSetPosition = next;
 
-    return &apdu;
+    return apdu;
 }
 
 /*
@@ -1198,38 +1219,38 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
 {
     Z_ScanRequest *req = reqb->request->u.scanRequest;
-    static Z_APDU apdu;
-    static Z_ScanResponse res;
-    static int scanStatus = Z_Scan_failure;
-    static int numberOfEntriesReturned = 0;
+    Z_APDU *apdu = odr_malloc (assoc->encode, sizeof(*apdu));
+    Z_ScanResponse *res = odr_malloc (assoc->encode, sizeof(*res));
+    int *scanStatus = odr_malloc (assoc->encode, sizeof(*scanStatus));
+    int *numberOfEntriesReturned =
+         odr_malloc (assoc->encode, sizeof(*numberOfEntriesReturned));
+    Z_ListEntries *ents = odr_malloc (assoc->encode, sizeof(*ents));
     oident *attent;
-    static Z_ListEntries ents;
-#define SCAN_MAX_ENTRIES 200
-    static Z_Entry *tab[SCAN_MAX_ENTRIES];
     bend_scanrequest srq;
     bend_scanresult *srs;
     oident *attset;
 
     logf(LOG_LOG, "Got scanrequest");
-    apdu.which = Z_APDU_scanResponse;
-    apdu.u.scanResponse = &res;
-    res.referenceId = req->referenceId;
-    res.stepSize = 0;
-    res.scanStatus = &scanStatus;
-    res.numberOfEntriesReturned = &numberOfEntriesReturned;
-    res.positionOfTerm = 0;
-    res.entries = &ents;
-    ents.which = Z_ListEntries_nonSurrogateDiagnostics;
-    res.attributeSet = 0;
-#ifdef Z_95
-    res.otherInfo = 0;
-#endif
+    *scanStatus = Z_Scan_failure;
+    *numberOfEntriesReturned = 0;
+
+    apdu->which = Z_APDU_scanResponse;
+    apdu->u.scanResponse = res;
+    res->referenceId = req->referenceId;
+    res->stepSize = 0;
+    res->scanStatus = scanStatus;
+    res->numberOfEntriesReturned = numberOfEntriesReturned;
+    res->positionOfTerm = 0;
+    res->entries = ents;
+    ents->which = Z_ListEntries_nonSurrogateDiagnostics;
+    res->attributeSet = 0;
+    res->otherInfo = 0;
 
     if (req->attributeSet && (!(attent = oid_getentbyoid(req->attributeSet)) ||
        attent->oclass != CLASS_ATTSET || attent->value != VAL_BIB1))
-       ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 121, 0);
+       ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 121, 0);
     else if (req->stepSize && *req->stepSize > 0)
-       ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 205, 0);
+       ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 205, 0);
     else
     {
        if (req->termListAndStartPoint->term->which == Z_Term_general)
@@ -1240,6 +1261,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
        srq.basenames = req->databaseNames;
        srq.num_entries = *req->numberOfTermsRequested;
        srq.term = req->termListAndStartPoint;
+       srq.stream = assoc->encode;
        if (!(attset = oid_getentbyoid(req->attributeSet)) ||
            attset->oclass != CLASS_RECSYN)
            srq.attributeset = VAL_NONE;
@@ -1248,34 +1270,31 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
        srq.term_position = req->preferredPositionInResponse ?
            *req->preferredPositionInResponse : 1;
        if (!(srs = bend_scan(assoc->backend, &srq, 0)))
-           ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 2, 0);
+           ents->u.nonSurrogateDiagnostics = diagrecs(assoc, 2, 0);
        else if (srs->errcode)
-           ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto,
+           ents->u.nonSurrogateDiagnostics = diagrecs(assoc,
                srs->errcode, srs->errstring);
        else
        {
            int i;
-           static Z_Entries list;
+           Z_Entries *list = odr_malloc (assoc->encode, sizeof(*list));
+            Z_Entry **tab = odr_malloc (assoc->encode,
+                                        sizeof(*tab) * srs->num_entries);
 
            if (srs->status == BEND_SCAN_PARTIAL)
-               scanStatus = Z_Scan_partial_5;
+               *scanStatus = Z_Scan_partial_5;
            else
-               scanStatus = Z_Scan_success;
-           ents.which = Z_ListEntries_entries;
-           ents.u.entries = &list;
-           list.entries = tab;
+               *scanStatus = Z_Scan_success;
+           ents->which = Z_ListEntries_entries;
+           ents->u.entries = list;
+           list->entries = tab;
            for (i = 0; i < srs->num_entries; i++)
            {
                Z_Entry *e;
                Z_TermInfo *t;
                Odr_oct *o;
 
-               if (i >= SCAN_MAX_ENTRIES)
-               {
-                   scanStatus = Z_Scan_partial_4;
-                   break;
-               }
-               list.entries[i] = e = odr_malloc(assoc->encode, sizeof(*e));
+               list->entries[i] = e = odr_malloc(assoc->encode, sizeof(*e));
                e->which = Z_Entry_termInfo;
                e->u.termInfo = t = odr_malloc(assoc->encode, sizeof(*t));
                t->suggestedAttributes = 0;
@@ -1294,13 +1313,13 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
                logf(LOG_DEBUG, "  term #%d: '%s' (%d)", i,
                    srs->entries[i].term, srs->entries[i].occurrences);
            }
-           list.num_entries = i;
-           res.numberOfEntriesReturned = &list.num_entries;
-           res.positionOfTerm = &srs->term_position;
+           list->num_entries = i;
+           res->numberOfEntriesReturned = &list->num_entries;
+           res->positionOfTerm = &srs->term_position;
        }
     }
 
-    return &apdu;
+    return apdu;
 }
 
 static void process_close(association *assoc, request *reqb)