Added typecasts to make C++ happy.
[yaz-moved-to-github.git] / server / seshigh.c
index 92ff44a..62c3eb3 100644 (file)
@@ -1,9 +1,57 @@
 /*
- * Copyright (c) 1995-2000, Index Data
+ * Copyright (c) 1995-2001, Index Data
  * See the file LICENSE for details.
  *
  * $Log: seshigh.c,v $
- * Revision 1.103  2000-03-20 19:06:25  adam
+ * Revision 1.118  2001-07-19 19:51:41  adam
+ * Added typecasts to make C++ happy.
+ *
+ * Revision 1.117  2001/06/13 20:47:40  adam
+ * When error is returned from present handler, non-surrogate diagnostic
+ * is returned in present response (and fetch handler is no longer called).
+ *
+ * Revision 1.116  2001/05/16 07:21:36  adam
+ * Accept any OID for record syntax.
+ *
+ * Revision 1.115  2001/03/25 21:55:12  adam
+ * Added odr_intdup. Ztest server returns TaskPackage for ItemUpdate.
+ *
+ * Revision 1.114  2001/02/21 13:46:53  adam
+ * C++ fixes.
+ *
+ * Revision 1.113  2001/01/30 21:34:17  adam
+ * Added step-size for Scan backend interface.
+ *
+ * Revision 1.112  2001/01/29 09:38:22  adam
+ * Fixed bug that made the frontend server crash when no attribute set
+ * was specified for scan.
+ *
+ * Revision 1.111  2000/11/23 10:58:32  adam
+ * SSL comstack support. Separate POSIX thread support library.
+ *
+ * Revision 1.110  2000/10/02 13:05:32  adam
+ * Fixed bug introduced by previous commit.
+ *
+ * Revision 1.109  2000/10/02 11:07:44  adam
+ * Added peer_name member for bend_init handler. Changed the YAZ
+ * client so that tcp: can be avoided in target spec.
+ *
+ * Revision 1.108  2000/09/04 08:58:15  adam
+ * Added prefix yaz_ for most logging utility functions.
+ *
+ * Revision 1.107  2000/08/31 10:20:12  adam
+ * Added member request_format and output_format for backend fetch method.
+ *
+ * Revision 1.106  2000/08/31 09:51:25  adam
+ * Added record_syntax member for fetch method (raw OID).
+ *
+ * Revision 1.105  2000/07/06 10:38:47  adam
+ * Enhanced option --enable-tcpd.
+ *
+ * Revision 1.104  2000/04/05 07:39:55  adam
+ * Added shared library support (libtool).
+ *
+ * Revision 1.103  2000/03/20 19:06:25  adam
  * Added Segment request for fronend server. Work on admin for client.
  *
  * Revision 1.102  2000/03/15 12:59:49  adam
@@ -388,7 +436,6 @@ void save_referenceId (request *reqb, Z_ReferenceId *refid);
 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
     int *fd);
 static Z_APDU *process_segmentRequest (association *assoc, request *reqb);
-static int bend_default_scan (void *handle, bend_scan_rr *rr);
 
 static FILE *apduf = 0; /* for use in static mode */
 static statserv_options_block *control_block = 0;
@@ -411,8 +458,12 @@ association *create_association(IOCHAN channel, COMSTACK link)
        control_block = statserv_getcontrol();
     if (!(anew = (association *)xmalloc(sizeof(*anew))))
        return 0;
+    anew->init = 0;
     anew->client_chan = channel;
     anew->client_link = link;
+    anew->cs_get_mask = 0;
+    anew->cs_put_mask = 0;
+    anew->cs_accept_mask = 0;
     if (!(anew->decode = odr_createmem(ODR_DECODE)) ||
        !(anew->encode = odr_createmem(ODR_ENCODE)))
        return 0;
@@ -470,6 +521,9 @@ association *create_association(IOCHAN channel, COMSTACK link)
  */
 void destroy_association(association *h)
 {
+    statserv_options_block *cb = statserv_getcontrol();
+
+    xfree(h->init);
     odr_destroy(h->decode);
     odr_destroy(h->encode);
     if (h->print)
@@ -477,7 +531,7 @@ void destroy_association(association *h)
     if (h->input_buffer)
     xfree(h->input_buffer);
     if (h->backend)
-       bend_close(h->backend);
+       (*cb->bend_close)(h->backend);
     while (request_deq(&h->incoming));
     while (request_deq(&h->outgoing));
     request_delq(&h->incoming);
@@ -553,12 +607,37 @@ void ir_session(IOCHAN h, int event)
        }
        return;
     }
-    if (event & EVENT_INPUT || event & EVENT_WORK) /* input */
+    if (event & assoc->cs_accept_mask)
+    {
+       yaz_log (LOG_DEBUG, "ir_session (accept)");
+       if (!cs_accept (conn))
+       {
+           yaz_log (LOG_LOG, "accept failed");
+           destroy_association(assoc);
+           iochan_destroy(h);
+       }
+       iochan_clearflag (h, EVENT_OUTPUT|EVENT_OUTPUT);
+       if (conn->io_pending) 
+       {   /* cs_accept didn't complete */
+           assoc->cs_accept_mask = 
+               ((conn->io_pending & CS_WANT_WRITE) ? EVENT_OUTPUT : 0) |
+               ((conn->io_pending & CS_WANT_READ) ? EVENT_INPUT : 0);
+
+           iochan_setflag (h, assoc->cs_accept_mask);
+       }
+       else
+       {   /* cs_accept completed. Prepare for reading (cs_get) */
+           assoc->cs_accept_mask = 0;
+           assoc->cs_get_mask = EVENT_INPUT;
+           iochan_setflag (h, assoc->cs_get_mask);
+       }
+       return;
+    }
+    if ((event & assoc->cs_get_mask) || (event & EVENT_WORK)) /* input */
     {
-       if (event & EVENT_INPUT)
+       if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
        {
            yaz_log(LOG_DEBUG, "ir_session (input)");
-           assert(assoc && conn);
            /* We aren't speaking to this fellow */
            if (assoc->state == ASSOC_DEAD)
            {
@@ -568,6 +647,7 @@ void ir_session(IOCHAN h, int event)
                iochan_destroy(h);
                return;
            }
+           assoc->cs_get_mask = EVENT_INPUT;
            if ((res = cs_get(conn, &assoc->input_buffer,
                &assoc->input_buffer_len)) <= 0)
            {
@@ -578,7 +658,12 @@ void ir_session(IOCHAN h, int event)
                return;
            }
            else if (res == 1) /* incomplete read - wait for more  */
+           {
+               if (conn->io_pending & CS_WANT_WRITE)
+                   assoc->cs_get_mask |= EVENT_OUTPUT;
+               iochan_setflag(h, assoc->cs_get_mask);
                return;
+           }
            if (cs_more(conn)) /* more stuff - call us again later, please */
                iochan_setevent(h, EVENT_INPUT);
                
@@ -587,18 +672,18 @@ void ir_session(IOCHAN h, int event)
            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, 0))
+           if (!z_APDU(assoc->decode, &req->apdu_request, 0, 0))
            {
                yaz_log(LOG_LOG, "ODR error on incoming PDU: %s [near byte %d] ",
-                   odr_errmsg(odr_geterror(assoc->decode)),
-                   odr_offset(assoc->decode));
+                       odr_errmsg(odr_geterror(assoc->decode)),
+                       odr_offset(assoc->decode));
                yaz_log(LOG_LOG, "PDU dump:");
-               odr_dumpBER(log_file(), assoc->input_buffer, res);
+               odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
                do_close(assoc, Z_Close_protocolError, "Malformed package");
                return;
            }
            req->request_mem = odr_extract_mem(assoc->decode);
-           if (assoc->print && !z_APDU(assoc->print, &req->request, 0, 0))
+           if (assoc->print && !z_APDU(assoc->print, &req->apdu_request, 0, 0))
            {
                yaz_log(LOG_WARN, "ODR print error: %s", 
                    odr_errmsg(odr_geterror(assoc->print)));
@@ -617,34 +702,43 @@ void ir_session(IOCHAN h, int event)
                do_close_req(assoc, Z_Close_systemProblem, msg, req);
        }
     }
-    if (event & EVENT_OUTPUT)
+    if (event & assoc->cs_put_mask)
     {
        request *req = request_head(&assoc->outgoing);
 
+       assoc->cs_put_mask = 0;
        yaz_log(LOG_DEBUG, "ir_session (output)");
        req->state = REQUEST_PENDING;
        switch (res = cs_put(conn, req->response, req->len_response))
        {
-           case -1:
-               yaz_log(LOG_LOG, "Connection closed by client");
-               cs_close(conn);
-               destroy_association(assoc);
-               iochan_destroy(h);
-               break;
-           case 0: /* all sent - release the request structure */
-               yaz_log(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
-               nmem_destroy(req->request_mem);
-               request_deq(&assoc->outgoing);
-               request_release(req);
-               if (!request_head(&assoc->outgoing))
-                   iochan_clearflag(h, EVENT_OUTPUT);
-               break;
-           /* value of 1 -- partial send -- is simply ignored */
+       case -1:
+           yaz_log(LOG_LOG, "Connection closed by client");
+           cs_close(conn);
+           destroy_association(assoc);
+           iochan_destroy(h);
+           break;
+       case 0: /* all sent - release the request structure */
+           yaz_log(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
+           nmem_destroy(req->request_mem);
+           request_deq(&assoc->outgoing);
+           request_release(req);
+           if (!request_head(&assoc->outgoing))
+           {   /* restore mask for cs_get operation ... */
+               iochan_clearflag(h, EVENT_OUTPUT|EVENT_INPUT);
+               iochan_setflag(h, assoc->cs_get_mask);
+           }
+           break;
+       default:
+           if (conn->io_pending & CS_WANT_WRITE)
+               assoc->cs_put_mask |= EVENT_OUTPUT;
+           if (conn->io_pending & CS_WANT_READ)
+               assoc->cs_put_mask |= EVENT_INPUT;
+           iochan_setflag(h, assoc->cs_put_mask);
        }
     }
     if (event & EVENT_EXCEPT)
     {
-       yaz_log(LOG_DEBUG, "ir_session (exception)");
+       yaz_log(LOG_LOG, "ir_session (exception)");
        cs_close(conn);
        destroy_association(assoc);
        iochan_destroy(h);
@@ -662,7 +756,12 @@ static int process_request(association *assoc, request *req, char **msg)
     
     *msg = "Unknown Error";
     assert(req && req->state == REQUEST_IDLE);
-    switch (req->request->which)
+    if (req->apdu_request->which != Z_APDU_initRequest && !assoc->init)
+    {
+       *msg = "Missing InitRequest";
+       return -1;
+    }
+    switch (req->apdu_request->which)
     {
     case Z_APDU_initRequest:
        res = process_initRequest(assoc, req); break;
@@ -671,7 +770,7 @@ static int process_request(association *assoc, request *req, char **msg)
     case Z_APDU_presentRequest:
        res = process_presentRequest(assoc, req, &fd); break;
     case Z_APDU_scanRequest:
-       if (assoc->bend_scan)
+       if (assoc->init->bend_scan)
            res = process_scanRequest(assoc, req, &fd);
        else
        {
@@ -680,7 +779,7 @@ static int process_request(association *assoc, request *req, char **msg)
        }
        break;
     case Z_APDU_extendedServicesRequest:
-       if (assoc->bend_esrequest)
+       if (assoc->init->bend_esrequest)
            res = process_ESRequest(assoc, req, &fd);
        else
        {
@@ -689,7 +788,7 @@ static int process_request(association *assoc, request *req, char **msg)
        }
        break;
     case Z_APDU_sortRequest:
-       if (assoc->bend_sort)
+       if (assoc->init->bend_sort)
            res = process_sortRequest(assoc, req, &fd);
        else
        {
@@ -701,7 +800,7 @@ static int process_request(association *assoc, request *req, char **msg)
        process_close(assoc, req);
        return 0;
     case Z_APDU_deleteResultSetRequest:
-       if (assoc->bend_delete)
+       if (assoc->init->bend_delete)
            res = process_deleteRequest(assoc, req, &fd);
        else
        {
@@ -710,7 +809,7 @@ static int process_request(association *assoc, request *req, char **msg)
        }
        break;
     case Z_APDU_segmentRequest:
-       if (assoc->bend_segment)
+       if (assoc->init->bend_segment)
        {
            res = process_segmentRequest (assoc, req);
        }
@@ -763,7 +862,7 @@ void backend_response(IOCHAN i, int event)
     yaz_log(LOG_DEBUG, "backend_response");
     assert(assoc && req && req->state != REQUEST_IDLE);
     /* determine what it is we're waiting for */
-    switch (req->request->which)
+    switch (req->apdu_request->which)
     {
        case Z_APDU_searchRequest:
            res = response_searchRequest(assoc, req, 0, &fd); break;
@@ -797,27 +896,28 @@ void backend_response(IOCHAN i, int event)
 static int process_response(association *assoc, request *req, Z_APDU *res)
 {
     odr_setbuf(assoc->encode, req->response, req->size_response, 1);
+
+    if (assoc->print && !z_APDU(assoc->print, &res, 0, 0))
+    {
+       yaz_log(LOG_WARN, "ODR print error: %s", 
+           odr_errmsg(odr_geterror(assoc->print)));
+       odr_reset(assoc->print);
+    }
     if (!z_APDU(assoc->encode, &res, 0, 0))
     {
        yaz_log(LOG_WARN, "ODR error when encoding response: %s",
            odr_errmsg(odr_geterror(assoc->decode)));
-       odr_reset(assoc->encode);
        return -1;
     }
     req->response = odr_getbuf(assoc->encode, &req->len_response,
        &req->size_response);
     odr_setbuf(assoc->encode, 0, 0, 0); /* don'txfree if we abort later */
-    if (assoc->print && !z_APDU(assoc->print, &res, 0, 0))
-    {
-       yaz_log(LOG_WARN, "ODR print error: %s", 
-           odr_errmsg(odr_geterror(assoc->print)));
-       odr_reset(assoc->print);
-    }
     odr_reset(assoc->encode);
     req->state = REQUEST_IDLE;
     request_enq(&assoc->outgoing, req);
     /* turn the work over to the ir_session handler */
     iochan_setflag(assoc->client_chan, EVENT_OUTPUT);
+    assoc->cs_put_mask = EVENT_OUTPUT;
     /* Is there more work to be done? give that to the input handler too */
 #if 1
     if (request_head(&assoc->incoming))
@@ -838,13 +938,16 @@ static int process_response(association *assoc, request *req, Z_APDU *res)
  */
 static Z_APDU *process_initRequest(association *assoc, request *reqb)
 {
-    Z_InitRequest *req = reqb->request->u.initRequest;
+    statserv_options_block *cb = statserv_getcontrol();
+    Z_InitRequest *req = reqb->apdu_request->u.initRequest;
     Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
     Z_InitResponse *resp = apdu->u.initResponse;
-    bend_initrequest binitreq;
     bend_initresult *binitres;
     char options[100];
 
+    xfree (assoc->init);
+    assoc->init = (bend_initrequest *) xmalloc (sizeof(*assoc->init));
+
     yaz_log(LOG_LOG, "Got initRequest");
     if (req->implementationId)
        yaz_log(LOG_LOG, "Id:        %s", req->implementationId);
@@ -853,39 +956,43 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     if (req->implementationVersion)
        yaz_log(LOG_LOG, "Version:   %s", req->implementationVersion);
 
-    binitreq.stream = assoc->encode;
-    binitreq.print = assoc->print;
-    binitreq.auth = req->idAuthentication;
-    binitreq.referenceId = req->referenceId;
-    binitreq.implementation_version = 0;
-    binitreq.implementation_name = 0;
-    binitreq.bend_sort = NULL;
-    binitreq.bend_search = NULL;
-    binitreq.bend_present = NULL;
-    binitreq.bend_esrequest = NULL;
-    binitreq.bend_delete = NULL;
-    binitreq.bend_scan = bend_default_scan;
-    binitreq.bend_segment = NULL;
-    if (!(binitres = bend_init(&binitreq)))
+    assoc->init->stream = assoc->encode;
+    assoc->init->print = assoc->print;
+    assoc->init->auth = req->idAuthentication;
+    assoc->init->referenceId = req->referenceId;
+    assoc->init->implementation_version = 0;
+    assoc->init->implementation_name = 0;
+    assoc->init->bend_sort = NULL;
+    assoc->init->bend_search = NULL;
+    assoc->init->bend_present = NULL;
+    assoc->init->bend_esrequest = NULL;
+    assoc->init->bend_delete = NULL;
+    assoc->init->bend_scan = NULL;
+    assoc->init->bend_segment = NULL;
+    assoc->init->bend_fetch = NULL;
+    
+    assoc->init->peer_name =
+       odr_strdup (assoc->encode, cs_addrstr(assoc->client_link));
+    if (!(binitres = (*cb->bend_init)(assoc->init)))
     {
        yaz_log(LOG_WARN, "Bad response from backend.");
        return 0;
     }
 
     assoc->backend = binitres->handle;
-    if ((assoc->bend_sort = (int (*)())binitreq.bend_sort))
+    if ((assoc->init->bend_sort))
        yaz_log (LOG_DEBUG, "Sort handler installed");
-    if ((assoc->bend_search = (int (*)())binitreq.bend_search))
+    if ((assoc->init->bend_search))
        yaz_log (LOG_DEBUG, "Search handler installed");
-    if ((assoc->bend_present = (int (*)())binitreq.bend_present))
+    if ((assoc->init->bend_present))
        yaz_log (LOG_DEBUG, "Present handler installed");   
-    if ((assoc->bend_esrequest = (int (*)())binitreq.bend_esrequest))
+    if ((assoc->init->bend_esrequest))
        yaz_log (LOG_DEBUG, "ESRequest handler installed");   
-    if ((assoc->bend_delete = (int (*)())binitreq.bend_delete))
+    if ((assoc->init->bend_delete))
        yaz_log (LOG_DEBUG, "Delete handler installed");   
-    if ((assoc->bend_scan = (int (*)())binitreq.bend_scan))
+    if ((assoc->init->bend_scan))
        yaz_log (LOG_DEBUG, "Scan handler installed");   
-    if ((assoc->bend_segment = (int (*)())binitreq.bend_segment))
+    if ((assoc->init->bend_segment))
        yaz_log (LOG_DEBUG, "Segment handler installed");   
     
     resp->referenceId = req->referenceId;
@@ -901,13 +1008,14 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
        ODR_MASK_SET(resp->options, Z_Options_present);
        strcat(options, " prst");
     }
-    if (ODR_MASK_GET(req->options, Z_Options_delSet) && binitreq.bend_delete)
+    if (ODR_MASK_GET(req->options, Z_Options_delSet) &&
+       assoc->init->bend_delete)
     {
        ODR_MASK_SET(resp->options, Z_Options_delSet);
        strcat(options, " del");
     }
     if (ODR_MASK_GET(req->options, Z_Options_extendedServices) &&
-       binitreq.bend_esrequest)
+       assoc->init->bend_esrequest)
     {
        ODR_MASK_SET(resp->options, Z_Options_extendedServices);
        strcat (options, " extendedServices");
@@ -917,7 +1025,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
        ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
        strcat(options, " namedresults");
     }
-    if (ODR_MASK_GET(req->options, Z_Options_scan) && binitreq.bend_scan)
+    if (ODR_MASK_GET(req->options, Z_Options_scan) && assoc->init->bend_scan)
     {
        ODR_MASK_SET(resp->options, Z_Options_scan);
        strcat(options, " scan");
@@ -927,7 +1035,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
        ODR_MASK_SET(resp->options, Z_Options_concurrentOperations);
        strcat(options, " concurop");
     }
-    if (ODR_MASK_GET(req->options, Z_Options_sort) && binitreq.bend_sort)
+    if (ODR_MASK_GET(req->options, Z_Options_sort) && assoc->init->bend_sort)
     {
        ODR_MASK_SET(resp->options, Z_Options_sort);
        strcat(options, " sort");
@@ -954,29 +1062,36 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     assoc->preferredMessageSize = *req->preferredMessageSize;
     if (assoc->preferredMessageSize > assoc->maximumRecordSize)
        assoc->preferredMessageSize = assoc->maximumRecordSize;
+
+#if 0
+    assoc->maximumRecordSize = 3000000;
+    assoc->preferredMessageSize = 3000000;
+#endif
+
     resp->preferredMessageSize = &assoc->preferredMessageSize;
     resp->maximumRecordSize = &assoc->maximumRecordSize;
 
     resp->implementationName = "GFS";
 
-    if (binitreq.implementation_name)
+    if (assoc->init->implementation_name)
     {
        char *nv = (char *)
            odr_malloc (assoc->encode,
-                       strlen(binitreq.implementation_name) + 10 + 
+                       strlen(assoc->init->implementation_name) + 10 + 
                               strlen(resp->implementationName));
        sprintf (nv, "%s / %s",
-                resp->implementationName, binitreq.implementation_name);
+                resp->implementationName, assoc->init->implementation_name);
         resp->implementationName = nv;
     }
-    if (binitreq.implementation_version)
+    if (assoc->init->implementation_version)
     {
        char *nv = (char *)
            odr_malloc (assoc->encode,
-                       strlen(binitreq.implementation_version) + 10 + 
+                       strlen(assoc->init->implementation_version) + 10 + 
                               strlen(resp->implementationVersion));
        sprintf (nv, "YAZ %s / %s",
-                resp->implementationVersion, binitreq.implementation_version);
+                resp->implementationVersion,
+                assoc->init->implementation_version);
         resp->implementationVersion = nv;
     }
 
@@ -995,14 +1110,14 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
  * These functions should be merged.
  */
 
-static void set_addinfo (Z_DefaultDiagFormat *dr, char *addinfo)
+static void set_addinfo (Z_DefaultDiagFormat *dr, char *addinfo, ODR odr)
 {
 #if ASN_COMPILED
     dr->which = Z_DefaultDiagFormat_v2Addinfo;
-    dr->u.v2Addinfo = addinfo ? addinfo : "";
+    dr->u.v2Addinfo = odr_strdup (odr, addinfo ? addinfo : "");
 #else
     dr->which = Z_DiagForm_v2AddInfo;
-    dr->addinfo = addinfo ? addinfo : "";
+    dr->addinfo = odr_strdup (odr, addinfo ? addinfo : "");
 #endif
 }
 
@@ -1015,8 +1130,7 @@ static Z_Records *diagrec(association *assoc, int error, char *addinfo)
     Z_Records *rec = (Z_Records *)
        odr_malloc (assoc->encode, sizeof(*rec));
     oident bib1;
-    int *err = (int *)
-       odr_malloc (assoc->encode, sizeof(*err));
+    int *err = odr_intdup(assoc->encode, error);
     Z_DiagRec *drec = (Z_DiagRec *)
        odr_malloc (assoc->encode, sizeof(*drec));
     Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
@@ -1028,7 +1142,6 @@ static Z_Records *diagrec(association *assoc, int error, char *addinfo)
 
     yaz_log(LOG_DEBUG, "Diagnostic: %d -- %s", error, addinfo ? addinfo :
        "NULL");
-    *err = error;
     rec->which = Z_Records_NSD;
 #if ASN_COMPILED
     rec->u.nonSurrogateDiagnostic = dr;
@@ -1040,7 +1153,7 @@ static Z_Records *diagrec(association *assoc, int error, char *addinfo)
     dr->diagnosticSetId =
        odr_oiddup (assoc->encode, oid_ent_to_oid(&bib1, oid));
     dr->condition = err;
-    set_addinfo (dr, addinfo);
+    set_addinfo (dr, addinfo, assoc->encode);
     return rec;
 }
 
@@ -1053,7 +1166,7 @@ static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
     int oid[OID_SIZE];
     Z_NamePlusRecord *rec = (Z_NamePlusRecord *)
        odr_malloc (assoc->encode, sizeof(*rec));
-    int *err = (int *)odr_malloc (assoc->encode, sizeof(*err));
+    int *err = odr_intdup(assoc->encode, error);
     oident bib1;
     Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec));
     Z_DefaultDiagFormat *dr = (Z_DefaultDiagFormat *)
@@ -1064,7 +1177,6 @@ static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
     bib1.value = VAL_BIB1;
 
     yaz_log(LOG_DEBUG, "SurrogateDiagnotic: %d -- %s", error, addinfo);
-    *err = error;
     rec->databaseName = dbname;
     rec->which = Z_NamePlusRecord_surrogateDiagnostic;
     rec->u.surrogateDiagnostic = drec;
@@ -1073,7 +1185,7 @@ static Z_NamePlusRecord *surrogatediagrec(association *assoc, char *dbname,
     dr->diagnosticSetId = odr_oiddup (assoc->encode,
                                       oid_ent_to_oid(&bib1, oid));
     dr->condition = err;
-    set_addinfo (dr, addinfo);
+    set_addinfo (dr, addinfo, assoc->encode);
 
     return rec;
 }
@@ -1085,7 +1197,7 @@ static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo)
 {
     int oid[OID_SIZE];
     Z_DiagRecs *recs = (Z_DiagRecs *)odr_malloc (assoc->encode, sizeof(*recs));
-    int *err = (int *)odr_malloc (assoc->encode, sizeof(*err));
+    int *err = odr_intdup(assoc->encode, error);
     oident bib1;
     Z_DiagRec **recp = (Z_DiagRec **)odr_malloc (assoc->encode, sizeof(*recp));
     Z_DiagRec *drec = (Z_DiagRec *)odr_malloc (assoc->encode, sizeof(*drec));
@@ -1096,7 +1208,6 @@ static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo)
     bib1.oclass = CLASS_DIAGSET;
     bib1.value = VAL_BIB1;
 
-    *err = error;
     recs->num_diagRecs = 1;
     recs->diagRecs = recp;
     recp[0] = drec;
@@ -1109,18 +1220,19 @@ static Z_DiagRecs *diagrecs(association *assoc, int error, char *addinfo)
 
 #ifdef ASN_COMPILED
     rec->which = Z_DefaultDiagFormat_v2Addinfo;
-    rec->u.v2Addinfo = addinfo ? addinfo : "";
+    rec->u.v2Addinfo = odr_strdup (assoc->encode, addinfo ? addinfo : "");
 #else
     rec->which = Z_DiagForm_v2AddInfo;
-    rec->addinfo = addinfo ? addinfo : "";
+    rec->addinfo = odr_strdup (assoc->encode, addinfo ? addinfo : "");
 #endif
     return recs;
 }
 
 static Z_Records *pack_records(association *a, char *setname, int start,
-                               int *num, Z_RecordComposition *comp,
-                               int *next, int *pres, oid_value format,
-                               Z_ReferenceId *referenceId)
+                              int *num, Z_RecordComposition *comp,
+                              int *next, int *pres, oid_value format,
+                              Z_ReferenceId *referenceId,
+                              int *oid)
 {
     int recno, total_length = 0, toget = *num, dumped_records = 0;
     Z_Records *records =
@@ -1143,8 +1255,7 @@ static Z_Records *pack_records(association *a, char *setname, int start,
        a->maximumRecordSize);
     for (recno = start; reclist->num_records < toget; recno++)
     {
-       bend_fetchrequest freq;
-       bend_fetchresult *fres;
+       bend_fetch_rr freq;
        Z_NamePlusRecord *thisrec;
        int this_length = 0;
        /*
@@ -1153,37 +1264,43 @@ static Z_Records *pack_records(association *a, char *setname, int start,
         * idea of the total size of the data so far.
         */
        total_length = odr_total(a->encode) - dumped_records;
+       freq.errcode = 0;
+       freq.errstring = 0;
+       freq.basename = 0;
+       freq.len = 0;
+       freq.record = 0;
+       freq.last_in_set = 0;
        freq.setname = setname;
+       freq.surrogate_flag = 0;
        freq.number = recno;
        freq.comp = comp;
-       freq.format = format;
+       freq.request_format = format;
+       freq.request_format_raw = oid;
+       freq.output_format = format;
+       freq.output_format_raw = 0;
        freq.stream = a->encode;
        freq.print = a->print;
        freq.surrogate_flag = 0;
        freq.referenceId = referenceId;
-       if (!(fres = bend_fetch(a->backend, &freq, 0)))
-       {
-           *pres = Z_PRES_FAILURE;
-           return diagrec(a, 2, "Backend interface problem");
-       }
+       (*a->init->bend_fetch)(a->backend, &freq);
        /* backend should be able to signal whether error is system-wide
           or only pertaining to current record */
-       if (fres->errcode)
+       if (freq.errcode)
        {
            if (!freq.surrogate_flag)
            {
                *pres = Z_PRES_FAILURE;
-               return diagrec(a, fres->errcode, fres->errstring);
+               return diagrec(a, freq.errcode, freq.errstring);
            }
            reclist->records[reclist->num_records] =
-               surrogatediagrec(a, fres->basename, fres->errcode,
-                                fres->errstring);
+               surrogatediagrec(a, freq.basename, freq.errcode,
+                                freq.errstring);
            reclist->num_records++;
-           *next = fres->last_in_set ? 0 : recno + 1;
+           *next = freq.last_in_set ? 0 : recno + 1;
            continue;
        }
-       if (fres->len >= 0)
-           this_length = fres->len;
+       if (freq.len >= 0)
+           this_length = freq.len;
        else
            this_length = odr_total(a->encode) - total_length;
        yaz_log(LOG_DEBUG, "  fetched record, len=%d, total=%d",
@@ -1205,9 +1322,9 @@ static Z_Records *pack_records(association *a, char *setname, int start,
                {
                    yaz_log(LOG_DEBUG, "  Dropped it");
                    reclist->records[reclist->num_records] =
-                        surrogatediagrec(a, fres->basename, 16, 0);
+                        surrogatediagrec(a, freq.basename, 16, 0);
                    reclist->num_records++;
-                   *next = fres->last_in_set ? 0 : recno + 1;
+                   *next = freq.last_in_set ? 0 : recno + 1;
                    dumped_records += this_length;
                    continue;
                }
@@ -1216,9 +1333,9 @@ static Z_Records *pack_records(association *a, char *setname, int start,
            {
                yaz_log(LOG_DEBUG, "Record > maxrcdsz");
                reclist->records[reclist->num_records] =
-                   surrogatediagrec(a, fres->basename, 17, 0);
+                   surrogatediagrec(a, freq.basename, 17, 0);
                reclist->num_records++;
-               *next = fres->last_in_set ? 0 : recno + 1;
+               *next = freq.last_in_set ? 0 : recno + 1;
                dumped_records += this_length;
                continue;
            }
@@ -1228,17 +1345,23 @@ static Z_Records *pack_records(association *a, char *setname, int start,
              odr_malloc(a->encode, sizeof(*thisrec))))
            return 0;
        if (!(thisrec->databaseName = (char *)odr_malloc(a->encode,
-           strlen(fres->basename) + 1)))
+           strlen(freq.basename) + 1)))
            return 0;
-       strcpy(thisrec->databaseName, fres->basename);
+       strcpy(thisrec->databaseName, freq.basename);
        thisrec->which = Z_NamePlusRecord_databaseRecord;
-       thisrec->u.databaseRecord = z_ext_record(a->encode, fres->format,
-                                                fres->record, fres->len);
+
+       if (freq.output_format_raw)
+       {
+           struct oident *ident = oid_getentbyoid(freq.output_format_raw);
+           freq.output_format = ident->value;
+       }
+       thisrec->u.databaseRecord = z_ext_record(a->encode, freq.output_format,
+                                                freq.record, freq.len);
        if (!thisrec->u.databaseRecord)
            return 0;
        reclist->records[reclist->num_records] = thisrec;
        reclist->num_records++;
-       *next = fres->last_in_set ? 0 : recno + 1;
+       *next = freq.last_in_set ? 0 : recno + 1;
     }
     *num = reclist->num_records;
     return records;
@@ -1247,7 +1370,7 @@ static Z_Records *pack_records(association *a, char *setname, int start,
 static Z_APDU *process_searchRequest(association *assoc, request *reqb,
     int *fd)
 {
-    Z_SearchRequest *req = reqb->request->u.searchRequest;
+    Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
     bend_search_rr *bsrr = 
        (bend_search_rr *)nmem_malloc (reqb->request_mem, sizeof(*bsrr));
     
@@ -1270,7 +1393,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
     case Z_Query_type_1: case Z_Query_type_101:
        log_rpn_query (req->query->u.type_1);
     }
-    if (assoc->bend_search)
+    if (assoc->init->bend_search)
     {
        bsrr->setname = req->resultSetName;
        bsrr->replace_set = *req->replaceIndicator;
@@ -1283,11 +1406,11 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
        bsrr->errcode = 0;
        bsrr->hits = 0;
        bsrr->errstring = NULL;
-       ((int (*)(void *, bend_search_rr *))(assoc->bend_search))
-           (assoc->backend, bsrr);
+       (assoc->init->bend_search)(assoc->backend, bsrr);
        if (!bsrr->request)
            return 0;
     }
+#if 0
     else
     {
        bend_searchrequest bsrq;
@@ -1308,6 +1431,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
        bsrr->errcode = bsrt->errcode;
        bsrr->errstring = bsrt->errstring;
     }
+#endif
     return response_searchRequest(assoc, reqb, bsrr, fd);
 }
 
@@ -1323,19 +1447,14 @@ int bend_searchresponse(void *handle, bend_search_rr *bsrr) {return 0;}
 static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     bend_search_rr *bsrt, int *fd)
 {
-    Z_SearchRequest *req = reqb->request->u.searchRequest;
+    Z_SearchRequest *req = reqb->apdu_request->u.searchRequest;
     Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
     Z_SearchResponse *resp = (Z_SearchResponse *)
        odr_malloc (assoc->encode, sizeof(*resp));
-    int *nulint = (int *)odr_malloc (assoc->encode, sizeof(*nulint));
-    bool_t *sr = (bool_t *)odr_malloc (assoc->encode, sizeof(*sr));
-    int *next = (int *)odr_malloc (assoc->encode, sizeof(*next));
-    int *none = (int *)odr_malloc (assoc->encode, sizeof(*none));
-
-    *nulint = 0;
-    *sr = 1;
-    *next = 0;
-    *none = Z_RES_NONE;
+    int *nulint = odr_intdup (assoc->encode, 0);
+    bool_t *sr = odr_intdup(assoc->encode, 1);
+    int *next = odr_intdup(assoc->encode, 0);
+    int *none = odr_intdup(assoc->encode, Z_RES_NONE);
 
     apdu->which = Z_APDU_searchResponse;
     apdu->u.searchResponse = resp;
@@ -1360,12 +1479,10 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     }
     else
     {
-       int *toget = (int *)odr_malloc (assoc->encode, sizeof(*toget));
-        int *presst = (int *)odr_malloc (assoc->encode, sizeof(*presst));
+       int *toget = odr_intdup(assoc->encode, 0);
+        int *presst = odr_intdup(assoc->encode, 0);
        Z_RecordComposition comp, *compp = 0;
 
-        *toget = 0;
-        *presst = 0;
        resp->records = 0;
        resp->resultCount = &bsrt->hits;
 
@@ -1393,13 +1510,13 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
            oident *prefformat;
            oid_value form;
 
-           if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) ||
-               prefformat->oclass != CLASS_RECSYN)
+           if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
                form = VAL_NONE;
            else
                form = prefformat->value;
            resp->records = pack_records(assoc, req->resultSetName, 1,
-               toget, compp, next, presst, form, req->referenceId);
+               toget, compp, next, presst, form, req->referenceId,
+                                        req->preferredRecordSyntax);
            if (!resp->records)
                return 0;
            resp->numberOfRecordsReturned = toget;
@@ -1438,25 +1555,26 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
  * speed - which is normally more true for search than for present.
  */
 static Z_APDU *process_presentRequest(association *assoc, request *reqb,
-    int *fd)
+                                     int *fd)
 {
-    Z_PresentRequest *req = reqb->request->u.presentRequest;
+    Z_PresentRequest *req = reqb->apdu_request->u.presentRequest;
     oident *prefformat;
     oid_value form;
     Z_APDU *apdu;
     Z_PresentResponse *resp;
-    int *presst;
     int *next;
     int *num;
 
     yaz_log(LOG_LOG, "Got PresentRequest.");
 
-    if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)) ||
-       prefformat->oclass != CLASS_RECSYN)
+    if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
        form = VAL_NONE;
     else
        form = prefformat->value;
-    if (assoc->bend_present)
+    resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp));
+    resp->records = 0;
+    resp->presentStatus = odr_intdup(assoc->encode, 0);
+    if (assoc->init->bend_present)
     {
        bend_present_rr *bprr = (bend_present_rr *)
            nmem_malloc (reqb->request_mem, sizeof(*bprr));
@@ -1472,79 +1590,53 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
        bprr->association = assoc;
        bprr->errcode = 0;
        bprr->errstring = NULL;
-       ((int (*)(void *, bend_present_rr *))(*assoc->bend_present))(
-           assoc->backend, bprr);
+       (*assoc->init->bend_present)(assoc->backend, bprr);
        
        if (!bprr->request)
            return 0;
+       if (bprr->errcode)
+       {
+           resp->records = diagrec(assoc, bprr->errcode, bprr->errstring);
+           *resp->presentStatus = Z_PRES_FAILURE;
+       }
     }
     apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
-    resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp));
-    presst = (int *)odr_malloc (assoc->encode, sizeof(*presst));
-    next = (int *)odr_malloc (assoc->encode, sizeof(*next));
-    num = (int *)odr_malloc (assoc->encode, sizeof(*num));
-    *presst = 0;
-    *next = 0;
-    *num = *req->numberOfRecordsRequested;
+    next = odr_intdup(assoc->encode, 0);
+    num = odr_intdup(assoc->encode, 0);
     
     apdu->which = Z_APDU_presentResponse;
     apdu->u.presentResponse = resp;
     resp->referenceId = req->referenceId;
     resp->otherInfo = 0;
     
-    resp->records =
-       pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
-                    num, req->recordComposition, next, presst, form,
-                     req->referenceId);
+    if (!resp->records)
+    {
+       *num = *req->numberOfRecordsRequested;
+       resp->records =
+           pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
+                    num, req->recordComposition, next, resp->presentStatus,
+                        form, req->referenceId, req->preferredRecordSyntax);
+    }
     if (!resp->records)
        return 0;
     resp->numberOfRecordsReturned = num;
-    resp->presentStatus = presst;
     resp->nextResultSetPosition = next;
     
     return apdu;
 }
 
-static int bend_default_scan (void *handle, bend_scan_rr *rr)
-{
-    bend_scanrequest srq;
-    bend_scanresult *srs;
-
-    srq.num_bases = rr->num_bases;
-    srq.basenames = rr->basenames;
-    srq.attributeset = rr->attributeset;
-    srq.referenceId = rr->referenceId;
-    srq.term = rr->term;
-    srq.term_position = rr->term_position;
-    srq.num_entries = rr->num_entries;
-    srq.stream = rr->stream;
-    srq.print = rr->print;
-    
-    srs = bend_scan(handle, &srq, 0);
-
-    rr->term_position = srs->term_position;
-    rr->num_entries = srs->num_entries;
-    rr->entries = srs->entries;
-    rr->status = srs->status;
-    rr->errcode = srs->errcode;
-    rr->errstring = srs->errstring;
-    return 0;
-}
-
 /*
  * Scan was implemented rather in a hurry, and with support for only the basic
  * elements of the service in the backend API. Suggestions are welcome.
  */
 static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
 {
-    Z_ScanRequest *req = reqb->request->u.scanRequest;
+    Z_ScanRequest *req = reqb->apdu_request->u.scanRequest;
     Z_APDU *apdu = (Z_APDU *)odr_malloc (assoc->encode, sizeof(*apdu));
     Z_ScanResponse *res = (Z_ScanResponse *)
        odr_malloc (assoc->encode, sizeof(*res));
-    int *scanStatus = (int *)
-       odr_malloc (assoc->encode, sizeof(*scanStatus));
-    int *numberOfEntriesReturned = (int *)
-       odr_malloc (assoc->encode, sizeof(*numberOfEntriesReturned));
+    int *scanStatus = odr_intdup(assoc->encode, Z_Scan_failure);
+    int *numberOfEntriesReturned = odr_intdup(assoc->encode, 0);
     Z_ListEntries *ents = (Z_ListEntries *)
        odr_malloc (assoc->encode, sizeof(*ents));
     Z_DiagRecs *diagrecs_p = NULL;
@@ -1552,13 +1644,14 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     oident *attset;
 
     yaz_log(LOG_LOG, "Got ScanRequest");
-    *scanStatus = Z_Scan_failure;
-    *numberOfEntriesReturned = 0;
 
     apdu->which = Z_APDU_scanResponse;
     apdu->u.scanResponse = res;
     res->referenceId = req->referenceId;
-    res->stepSize = 0;
+    res->stepSize = odr_intdup(assoc->encode, 0);
+
+    if (req->stepSize)
+       *res->stepSize = *req->stepSize;
     res->scanStatus = scanStatus;
     res->numberOfEntriesReturned = numberOfEntriesReturned;
     res->positionOfTerm = 0;
@@ -1593,16 +1686,17 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
        bsrr->referenceId = req->referenceId;
        bsrr->stream = assoc->encode;
        bsrr->print = assoc->print;
+       bsrr->step_size = res->stepSize;
        if (!(attset = oid_getentbyoid(req->attributeSet)) ||
            attset->oclass != CLASS_RECSYN)
            bsrr->attributeset = VAL_NONE;
        else
            bsrr->attributeset = attset->value;
-       log_scan_term (req->termListAndStartPoint, attset->value);
+       log_scan_term (req->termListAndStartPoint, bsrr->attributeset);
        bsrr->term_position = req->preferredPositionInResponse ?
            *req->preferredPositionInResponse : 1;
-       ((int (*)(void *, bend_scan_rr *))(*assoc->bend_scan))(assoc->backend,
-                                                              bsrr);
+       ((int (*)(void *, bend_scan_rr *))
+        (*assoc->init->bend_scan))(assoc->backend, bsrr);
        if (bsrr->errcode)
            diagrecs_p = diagrecs(assoc, bsrr->errcode, bsrr->errstring);
        else
@@ -1673,7 +1767,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
 static Z_APDU *process_sortRequest(association *assoc, request *reqb,
     int *fd)
 {
-    Z_SortRequest *req = reqb->request->u.sortRequest;
+    Z_SortRequest *req = reqb->apdu_request->u.sortRequest;
     Z_SortResponse *res = (Z_SortResponse *)
        odr_malloc (assoc->encode, sizeof(*res));
     bend_sort_rr *bsrr = (bend_sort_rr *)
@@ -1700,13 +1794,10 @@ static Z_APDU *process_sortRequest(association *assoc, request *reqb,
     bsrr->errcode = 0;
     bsrr->errstring = 0;
     
-    ((int (*)(void *, bend_sort_rr *))(*assoc->bend_sort))(assoc->backend,
-                                                          bsrr);
+    (*assoc->init->bend_sort)(assoc->backend, bsrr);
     
     res->referenceId = bsrr->referenceId;
-    res->sortStatus = (int *)
-       odr_malloc (assoc->encode, sizeof(*res->sortStatus));
-    *res->sortStatus = bsrr->sort_status;
+    res->sortStatus = odr_intdup(assoc->encode, bsrr->sort_status);
     res->resultSetStatus = 0;
     if (bsrr->errcode)
     {
@@ -1735,7 +1826,8 @@ static Z_APDU *process_sortRequest(association *assoc, request *reqb,
 static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
     int *fd)
 {
-    Z_DeleteResultSetRequest *req = reqb->request->u.deleteResultSetRequest;
+    Z_DeleteResultSetRequest *req =
+        reqb->apdu_request->u.deleteResultSetRequest;
     Z_DeleteResultSetResponse *res = (Z_DeleteResultSetResponse *)
        odr_malloc (assoc->encode, sizeof(*res));
     bend_delete_rr *bdrr = (bend_delete_rr *)
@@ -1754,34 +1846,34 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
     if (bdrr->num_setnames > 0)
     {
        int i;
-       bdrr->statuses = odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
-                                   bdrr->num_setnames);
+       bdrr->statuses = (int*) 
+           odr_malloc(assoc->encode, sizeof(*bdrr->statuses) *
+                      bdrr->num_setnames);
        for (i = 0; i < bdrr->num_setnames; i++)
            bdrr->statuses[i] = 0;
     }
-    ((int (*)(void *, bend_delete_rr *))
-     (*assoc->bend_delete))(assoc->backend, bdrr);
+    (*assoc->init->bend_delete)(assoc->backend, bdrr);
     
     res->referenceId = req->referenceId;
 
-    res->deleteOperationStatus = (int *)
-       odr_malloc (assoc->encode, sizeof(*res->deleteOperationStatus));
-    *res->deleteOperationStatus = bdrr->delete_status;
+    res->deleteOperationStatus = odr_intdup(assoc->encode,bdrr->delete_status);
 
     res->deleteListStatuses = 0;
     if (bdrr->num_setnames > 0)
     {
        int i;
-       res->deleteListStatuses = odr_malloc(assoc->encode,
-                                            sizeof(*res->deleteListStatuses));
+       res->deleteListStatuses = (Z_ListStatuses *)
+           odr_malloc(assoc->encode, sizeof(*res->deleteListStatuses));
        res->deleteListStatuses->num = bdrr->num_setnames;
        res->deleteListStatuses->elements =
-           odr_malloc (assoc->encode,
+           (Z_ListStatus **)
+           odr_malloc (assoc->encode, 
                        sizeof(*res->deleteListStatuses->elements) *
                        bdrr->num_setnames);
        for (i = 0; i<bdrr->num_setnames; i++)
        {
            res->deleteListStatuses->elements[i] =
+               (Z_ListStatus *)
                odr_malloc (assoc->encode,
                            sizeof(**res->deleteListStatuses->elements));
            res->deleteListStatuses->elements[i]->status = bdrr->statuses+i;
@@ -1802,7 +1894,7 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
 
 static void process_close(association *assoc, request *reqb)
 {
-    Z_Close *req = reqb->request->u.close;
+    Z_Close *req = reqb->apdu_request->u.close;
     static char *reasons[] =
     {
        "finished",
@@ -1896,14 +1988,13 @@ static Z_APDU *process_segmentRequest (association *assoc, request *reqb)
 {
     bend_segment_rr request;
 
-    request.segment = reqb->request->u.segmentRequest;
+    request.segment = reqb->apdu_request->u.segmentRequest;
     request.stream = assoc->encode;
     request.decode = assoc->decode;
     request.print = assoc->print;
     request.association = assoc;
     
-    ((int (*)(void *, bend_segment_rr *))(*assoc->bend_segment))
-       (assoc->backend, &request);
+    (*assoc->init->bend_segment)(assoc->backend, &request);
 
     return 0;
 }
@@ -1912,14 +2003,14 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
 {
     bend_esrequest_rr esrequest;
 
-    Z_ExtendedServicesRequest *req = reqb->request->u.extendedServicesRequest;
+    Z_ExtendedServicesRequest *req = reqb->apdu_request->u.extendedServicesRequest;
     Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_extendedServicesResponse);
 
     Z_ExtendedServicesResponse *resp = apdu->u.extendedServicesResponse;
 
     yaz_log(LOG_DEBUG,"inside Process esRequest");
 
-    esrequest.esr = reqb->request->u.extendedServicesRequest;
+    esrequest.esr = reqb->apdu_request->u.extendedServicesRequest;
     esrequest.stream = assoc->encode;
     esrequest.decode = assoc->decode;
     esrequest.print = assoc->print;
@@ -1927,10 +2018,10 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
     esrequest.errstring = NULL;
     esrequest.request = reqb;
     esrequest.association = assoc;
+    esrequest.taskPackage = 0;
     esrequest.referenceId = req->referenceId;
     
-    ((int (*)(void *, bend_esrequest_rr *))(*assoc->bend_esrequest))
-       (assoc->backend, &esrequest);
+    (*assoc->init->bend_esrequest)(assoc->backend, &esrequest);
     
     /* If the response is being delayed, return NULL */
     if (esrequest.request == NULL)
@@ -1962,7 +2053,10 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
        resp->diagnostics = diagRecs->diagRecs;
     }
     /* Do something with the members of bend_extendedservice */
-
+    if (esrequest.taskPackage)
+       resp->taskPackage = z_ext_record (assoc->encode, VAL_EXTENDED,
+                                        (const char *)  esrequest.taskPackage,
+                                         -1);
     yaz_log(LOG_DEBUG,"Send the result apdu");
     return apdu;
 }