Changed the way yaz-client encodes charset negotiation information
[yaz-moved-to-github.git] / src / seshigh.c
index 13bc53b..999d1ba 100644 (file)
@@ -1,8 +1,8 @@
 /*
- * Copyright (C) 1995-2005, Index Data ApS
+ * Copyright (C) 1995-2007, Index Data ApS
  * See the file LICENSE for details.
  *
- * $Id: seshigh.c,v 1.90 2006-07-06 14:54:29 marc Exp $
+ * $Id: seshigh.c,v 1.121 2007-05-30 21:56:59 adam Exp $
  */
 /**
  * \file seshigh.c
@@ -62,7 +62,7 @@
 #include "session.h"
 #include "mime.h"
 #include <yaz/proto.h>
-#include <yaz/oid.h>
+#include <yaz/oid_db.h>
 #include <yaz/log.h>
 #include <yaz/logrpn.h>
 #include <yaz/querytowrbuf.h>
@@ -72,6 +72,7 @@
 #include <yaz/otherinfo.h>
 #include <yaz/yaz-util.h>
 #include <yaz/pquery.h>
+#include <yaz/oid_db.h>
 
 #include <yaz/srw.h>
 #include <yaz/backend.h>
@@ -102,27 +103,36 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd);
 
 /* dynamic logging levels */
 static int logbits_set = 0;
-static int log_session = 0; 
+static int log_session = 0; /* one-line logs for session */
+static int log_sessiondetail = 0; /* more detailed stuff */
 static int log_request = 0; /* one-line logs for requests */
 static int log_requestdetail = 0;  /* more detailed stuff */
 
 /** get_logbits sets global loglevel bits */
-static void get_logbits()
+static void get_logbits(void)
 { /* needs to be called after parsing cmd-line args that can set loglevels!*/
     if (!logbits_set)
     {
         logbits_set = 1;
         log_session = yaz_log_module_level("session"); 
-        log_request = yaz_log_module_level("request"); 
+        log_sessiondetail = yaz_log_module_level("sessiondetail");
+        log_request = yaz_log_module_level("request");
         log_requestdetail = yaz_log_module_level("requestdetail"); 
     }
 }
 
+
+
 static void wr_diag(WRBUF w, int error, const char *addinfo)
 {
-    wrbuf_printf(w, "ERROR [%d] %s%s%s",
-                 error, diagbib1_str(error),
-                 addinfo ? "--" : "", addinfo ? addinfo : "");
+    wrbuf_printf(w, "ERROR %d+", error);
+    wrbuf_puts_replace_char(w, diagbib1_str(error), ' ', '_');
+    if (addinfo){
+        wrbuf_puts(w, "+");
+        wrbuf_puts_replace_char(w, addinfo, ' ', '_');
+    }
+    
+    wrbuf_puts(w, " ");    
 }
 
 
@@ -255,6 +265,98 @@ static void do_close(association *a, int reason, char *message)
     do_close_req (a, reason, message, req);
 }
 
+
+int ir_read(IOCHAN h, int event)
+{
+    association *assoc = (association *)iochan_getdata(h);
+    COMSTACK conn = assoc->client_link;
+    request *req;
+    
+    if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
+    {
+        yaz_log(YLOG_DEBUG, "ir_session (input)");
+        /* We aren't speaking to this fellow */
+        if (assoc->state == ASSOC_DEAD)
+        {
+            yaz_log(log_sessiondetail, "Connection closed - end of session");
+            cs_close(conn);
+            destroy_association(assoc);
+            iochan_destroy(h);
+            return 0;
+        }
+        assoc->cs_get_mask = EVENT_INPUT;
+
+        do
+        {
+            int res = cs_get(conn, &assoc->input_buffer,
+                             &assoc->input_buffer_len);
+            if (res < 0 && cs_errno(conn) == CSBUFSIZE)
+            {
+                yaz_log(log_session, "Connection error: %s res=%d",
+                        cs_errmsg(cs_errno(conn)), res);
+                req = request_get(&assoc->incoming); /* get a new request */
+                do_close_req(assoc, Z_Close_protocolError, 
+                             "Incoming package too large", req);
+                return 0;
+            }
+            else if (res <= 0)
+            {
+                yaz_log(log_session, "Connection closed by client");
+                assoc->state = ASSOC_DEAD;
+                return 0;
+            }
+            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 0;
+            }
+            /* we got a complete PDU. Let's decode it */
+            yaz_log(YLOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res,
+                    assoc->input_buffer[0] & 0xff,
+                    assoc->input_buffer[1] & 0xff,
+                    assoc->input_buffer[2] & 0xff);
+            req = request_get(&assoc->incoming); /* get a new request */
+            odr_reset(assoc->decode);
+            odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
+            if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0))
+            {
+                yaz_log(YLOG_WARN, "ODR error on incoming PDU: %s [element %s] "
+                        "[near byte %ld] ",
+                        odr_errmsg(odr_geterror(assoc->decode)),
+                        odr_getelement(assoc->decode),
+                        (long) odr_offset(assoc->decode));
+                if (assoc->decode->error != OHTTP)
+                {
+                    yaz_log(YLOG_WARN, "PDU dump:");
+                    odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
+                    request_release(req);
+                    do_close(assoc, Z_Close_protocolError, "Malformed package");
+                }
+                else
+                {
+                    Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400);
+                    assoc->state = ASSOC_DEAD;
+                    process_gdu_response(assoc, req, p);
+                }
+                return 0;
+            }
+            req->request_mem = odr_extract_mem(assoc->decode);
+            if (assoc->print) 
+            {
+                if (!z_GDU(assoc->print, &req->gdu_request, 0, 0))
+                    yaz_log(YLOG_WARN, "ODR print error: %s", 
+                            odr_errmsg(odr_geterror(assoc->print)));
+                odr_reset(assoc->print);
+            }
+            request_enq(&assoc->incoming, req);
+        }
+        while (cs_more(conn));
+    }
+    return 1;
+}
+
 /*
  * This is where PDUs from the client are read and the further
  * processing is initiated. Flow of control moves down through the
@@ -284,7 +386,8 @@ void ir_session(IOCHAN h, int event)
         }
         else
         {
-            yaz_log(log_session, "Session idle too long. Sending close.");
+            yaz_log(log_sessiondetail, 
+                    "Session idle too long. Sending close.");
             do_close(assoc, Z_Close_lackOfActivity, 0);
         }
         return;
@@ -314,82 +417,10 @@ void ir_session(IOCHAN h, int event)
         }
         return;
     }
-    if ((event & assoc->cs_get_mask) || (event & EVENT_WORK)) /* input */
+    if (event & assoc->cs_get_mask) /* input */
     {
-        if ((assoc->cs_put_mask & EVENT_INPUT) == 0 && (event & assoc->cs_get_mask))
-        {
-            yaz_log(YLOG_DEBUG, "ir_session (input)");
-            /* We aren't speaking to this fellow */
-            if (assoc->state == ASSOC_DEAD)
-            {
-                yaz_log(log_session, "Connection closed - end of session");
-                cs_close(conn);
-                destroy_association(assoc);
-                iochan_destroy(h);
-                return;
-            }
-            assoc->cs_get_mask = EVENT_INPUT;
-            if ((res = cs_get(conn, &assoc->input_buffer,
-                &assoc->input_buffer_len)) <= 0)
-            {
-                yaz_log(log_session, "Connection closed by client");
-                cs_close(conn);
-                destroy_association(assoc);
-                iochan_destroy(h);
-                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);
-                
-            /* we got a complete PDU. Let's decode it */
-            yaz_log(YLOG_DEBUG, "Got PDU, %d bytes: lead=%02X %02X %02X", res,
-                            assoc->input_buffer[0] & 0xff,
-                            assoc->input_buffer[1] & 0xff,
-                            assoc->input_buffer[2] & 0xff);
-            req = request_get(&assoc->incoming); /* get a new request */
-            odr_reset(assoc->decode);
-            odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
-            if (!z_GDU(assoc->decode, &req->gdu_request, 0, 0))
-            {
-                yaz_log(YLOG_WARN, "ODR error on incoming PDU: %s [element %s] "
-                        "[near byte %ld] ",
-                        odr_errmsg(odr_geterror(assoc->decode)),
-                        odr_getelement(assoc->decode),
-                        (long) odr_offset(assoc->decode));
-                if (assoc->decode->error != OHTTP)
-                {
-                    yaz_log(YLOG_WARN, "PDU dump:");
-                    odr_dumpBER(yaz_log_file(), assoc->input_buffer, res);
-                    request_release(req);
-                    do_close(assoc, Z_Close_protocolError,"Malformed package");
-                }
-                else
-                {
-                    Z_GDU *p = z_get_HTTP_Response(assoc->encode, 400);
-                    assoc->state = ASSOC_DEAD;
-                    process_gdu_response(assoc, req, p);
-                }
-                return;
-            }
-            req->request_mem = odr_extract_mem(assoc->decode);
-            if (assoc->print) 
-            {
-                if (!z_GDU(assoc->print, &req->gdu_request, 0, 0))
-                    yaz_log(YLOG_WARN, "ODR print error: %s", 
-                       odr_errmsg(odr_geterror(assoc->print)));
-                odr_reset(assoc->print);
-            }
-            request_enq(&assoc->incoming, req);
-        }
-
-        /* can we do something yet? */
+        if (!ir_read(h, event))
+            return;
         req = request_head(&assoc->incoming);
         if (req->state == REQUEST_IDLE)
         {
@@ -407,7 +438,7 @@ void ir_session(IOCHAN h, int event)
         switch (res = cs_put(conn, req->response, req->len_response))
         {
         case -1:
-            yaz_log(log_session, "Connection closed by client");
+            yaz_log(log_sessiondetail, "Connection closed by client");
             cs_close(conn);
             destroy_association(assoc);
             iochan_destroy(h);
@@ -465,6 +496,8 @@ static void assoc_init_reset(association *assoc)
     assoc->init->implementation_version = 0;
     assoc->init->implementation_id = 0;
     assoc->init->implementation_name = 0;
+    assoc->init->query_charset = 0;
+    assoc->init->records_in_same_charset = 0;
     assoc->init->bend_sort = NULL;
     assoc->init->bend_search = NULL;
     assoc->init->bend_present = NULL;
@@ -496,22 +529,20 @@ static int srw_bend_init(association *assoc, Z_SRW_diagnostic **d, int *num, Z_S
         Z_External *ce;
         bend_initresult *binitres;
 
-        yaz_log(YLOG_LOG, "srw_bend_init config=%s", cb->configname);
+        yaz_log(log_requestdetail, "srw_bend_init config=%s", cb->configname);
         assoc_init_reset(assoc);
         
-        assoc->maximumRecordSize = 3000000;
-        assoc->preferredMessageSize = 3000000;
-
         if (sr->username)
         {
-            Z_IdAuthentication *auth = odr_malloc(assoc->decode, sizeof(*auth));
+            Z_IdAuthentication *auth = (Z_IdAuthentication *)
+                odr_malloc(assoc->decode, sizeof(*auth));
             int len;
 
             len = strlen(sr->username) + 1;
             if (sr->password) 
                 len += strlen(sr->password) + 2;
             auth->which = Z_IdAuthentication_open;
-            auth->u.open = odr_malloc(assoc->decode, len);
+            auth->u.open = (char *) odr_malloc(assoc->decode, len);
             strcpy(auth->u.open, sr->username);
             if (sr->password && *sr->password)
             {
@@ -548,45 +579,18 @@ static int srw_bend_init(association *assoc, Z_SRW_diagnostic **d, int *num, Z_S
     return 1;
 }
 
-static const char *get_esn(Z_RecordComposition *comp)
-{
-    if (comp && comp->which == Z_RecordComp_complex)
-    {
-        if (comp->u.complex->generic 
-            && comp->u.complex->generic->elementSpec
-            && (comp->u.complex->generic->elementSpec->which == 
-                Z_ElementSpec_elementSetName))
-            return comp->u.complex->generic->elementSpec->u.elementSetName;
-    }
-    else if (comp && comp->which == Z_RecordComp_simple &&
-             comp->u.simple->which == Z_ElementSetNames_generic)
-        return comp->u.simple->u.generic;
-    return 0;
-}
-
-static void set_esn(Z_RecordComposition **comp_p, const char *esn, NMEM nmem)
-{
-    Z_RecordComposition *comp = nmem_malloc(nmem, sizeof(*comp));
-    
-    comp->which = Z_RecordComp_simple;
-    comp->u.simple = nmem_malloc(nmem, sizeof(*comp->u.simple));
-    comp->u.simple->which = Z_ElementSetNames_generic;
-    comp->u.simple->u.generic = nmem_strdup(nmem, esn);
-    *comp_p = comp;
-}
-
 static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
 {
 #if YAZ_HAVE_XML2
     yaz_record_conv_t rc = 0;
     const char *match_schema = 0;
-    int *match_syntax = 0;
+    Odr_oid *match_syntax = 0;
 
     if (assoc->server)
     {
         int r;
-        const char *input_schema = get_esn(rr->comp);
-        Odr_oid *input_syntax_raw = rr->request_format_raw;
+        const char *input_schema = yaz_get_esn(rr->comp);
+        Odr_oid *input_syntax_raw = rr->request_format;
         
         const char *backend_schema = 0;
         Odr_oid *backend_syntax = 0;
@@ -612,7 +616,8 @@ static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
         else if (r == 1 || r == 3)
         {
             const char *details = input_schema;
-            rr->errcode =  YAZ_BIB1_ELEMENT_SET_NAMES_UNSUPP;
+            rr->errcode =
+                YAZ_BIB1_SPECIFIED_ELEMENT_SET_NAME_NOT_VALID_FOR_SPECIFIED_;
             if (details)
                 rr->errstring = odr_strdup(rr->stream, details);
             return -1;
@@ -623,26 +628,17 @@ static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
             if (input_syntax_raw)
             {
                 char oidbuf[OID_STR_MAX];
-                oid_to_dotstring(input_syntax_raw, oidbuf);
+                oid_oid_to_dotstring(input_syntax_raw, oidbuf);
                 rr->errstring = odr_strdup(rr->stream, oidbuf);
             }
             return -1;
         }
         if (backend_schema)
         {
-            set_esn(&rr->comp, backend_schema, rr->stream->mem);
+            yaz_set_esn(&rr->comp, backend_schema, odr_getmem(rr->stream));
         }
         if (backend_syntax)
-        {
-            oident *oident_syntax = oid_getentbyoid(backend_syntax);
-
-            rr->request_format_raw = backend_syntax;
-            
-            if (oident_syntax)
-                rr->request_format = oident_syntax->value;
-            else
-                rr->request_format = VAL_NONE;
-        }
+            rr->request_format = backend_syntax;
     }
     (*assoc->init->bend_fetch)(assoc->backend, rr);
     if (rc && rr->record && rr->errcode == 0 && rr->len > 0)
@@ -659,28 +655,26 @@ static int retrieve_fetch(association *assoc, bend_fetch_rr *rr)
         else
         {
             rr->len = wrbuf_len(output_record);
-            rr->record = odr_malloc(rr->stream, rr->len);
+            rr->record = (char *) odr_malloc(rr->stream, rr->len);
             memcpy(rr->record, wrbuf_buf(output_record), rr->len);
         }
-        wrbuf_free(output_record, 1);
+        wrbuf_destroy(output_record);
     }
     if (match_syntax)
-    {
-        struct oident *oi = oid_getentbyoid(match_syntax);
-        rr->output_format = oi ? oi->value : VAL_NONE;
-        rr->output_format_raw = match_syntax;
-    }
+        rr->output_format = match_syntax;
     if (match_schema)
         rr->schema = odr_strdup(rr->stream, match_schema);
     return 0;
 #else
     (*assoc->init->bend_fetch)(assoc->backend, rr);
 #endif
+    return 0;
 }
 
 static int srw_bend_fetch(association *assoc, int pos,
                           Z_SRW_searchRetrieveRequest *srw_req,
-                          Z_SRW_record *record)
+                          Z_SRW_record *record,
+                          const char **addinfo)
 {
     bend_fetch_rr rr;
     ODR o = assoc->encode;
@@ -688,10 +682,8 @@ static int srw_bend_fetch(association *assoc, int pos,
     rr.setname = "default";
     rr.number = pos;
     rr.referenceId = 0;
-    rr.request_format = VAL_TEXT_XML;
-    rr.request_format_raw = yaz_oidval_to_z3950oid(assoc->decode,
-                                                   CLASS_RECSYN,
-                                                   VAL_TEXT_XML);
+    rr.request_format = odr_oiddup(assoc->decode, yaz_oid_recsyn_xml);
+
     rr.comp = (Z_RecordComposition *)
             odr_malloc(assoc->decode, sizeof(*rr.comp));
     rr.comp->which = Z_RecordComp_complex;
@@ -751,7 +743,7 @@ static int srw_bend_fetch(association *assoc, int pos,
         if (rr.errstring)
             len += strlen(rr.errstring);
 
-        record->recordData_buf = odr_malloc(o, len);
+        record->recordData_buf = (char *) odr_malloc(o, len);
         
         sprintf(record->recordData_buf, "<diagnostic "
                 "xmlns=\"http://www.loc.gov/zing/srw/diagnostic/\">\n"
@@ -779,7 +771,12 @@ static int srw_bend_fetch(association *assoc, int pos,
         else
             record->recordSchema = 0;
     }
-    return rr.errcode;
+    if (rr.errcode)
+    {
+        *addinfo = rr.errstring;
+        return rr.errcode;
+    }
+    return 0;
 }
 
 static int cql2pqf(ODR odr, const char *cql, cql_transform_t ct,
@@ -878,6 +875,8 @@ static void srw_bend_search(association *assoc, request *req,
         rr.srw_sortKeys = 0;
         rr.srw_setname = 0;
         rr.srw_setnameIdleTime = 0;
+        rr.estimated_hit_count = 0;
+        rr.partial_resultset = 0;
         rr.query = (Z_Query *) odr_malloc (assoc->decode, sizeof(*rr.query));
         rr.query->u.type_1 = 0;
         
@@ -990,114 +989,123 @@ static void srw_bend_search(association *assoc, request *req,
                     srw_res->resultSetIdleTime =
                         odr_intdup(assoc->encode, *rr.srw_setnameIdleTime );
                }
-                if (number > 0)
+                
+                if ((rr.hits > 0 && start > rr.hits) || start < 1)
+                {
+                    yaz_add_srw_diagnostic(
+                        assoc->encode, 
+                        &srw_res->diagnostics, &srw_res->num_diagnostics,
+                        YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
+                }
+                else if (number > 0)
                 {
                     int i;
+                    int ok = 1;
+                    if (start + number > rr.hits)
+                        number = rr.hits - start + 1;
                     
-                    if (start > rr.hits)
+                    /* Call bend_present if defined */
+                    if (assoc->init->bend_present)
                     {
-                        yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                               &srw_res->num_diagnostics,
-                                               YAZ_SRW_FIRST_RECORD_POSITION_OUT_OF_RANGE, 0);
+                        bend_present_rr *bprr = (bend_present_rr*)
+                            odr_malloc (assoc->decode, sizeof(*bprr));
+                        bprr->setname = "default";
+                        bprr->start = start;
+                        bprr->number = number;
+                        if (srw_req->recordSchema)
+                        {
+                            bprr->comp = (Z_RecordComposition *) odr_malloc(assoc->decode,
+                                                                            sizeof(*bprr->comp));
+                            bprr->comp->which = Z_RecordComp_simple;
+                            bprr->comp->u.simple = (Z_ElementSetNames *)
+                                odr_malloc(assoc->decode, sizeof(Z_ElementSetNames));
+                            bprr->comp->u.simple->which = Z_ElementSetNames_generic;
+                            bprr->comp->u.simple->u.generic = srw_req->recordSchema;
+                        }
+                        else
+                        {
+                            bprr->comp = 0;
+                        }
+                        bprr->stream = assoc->encode;
+                        bprr->referenceId = 0;
+                        bprr->print = assoc->print;
+                        bprr->request = req;
+                        bprr->association = assoc;
+                        bprr->errcode = 0;
+                        bprr->errstring = NULL;
+                        (*assoc->init->bend_present)(assoc->backend, bprr);
+                        
+                        if (!bprr->request)
+                            return;
+                        if (bprr->errcode)
+                        {
+                            srw_error = yaz_diag_bib1_to_srw (bprr->errcode);
+                            yaz_add_srw_diagnostic(assoc->encode,
+                                                   &srw_res->diagnostics,
+                                                   &srw_res->num_diagnostics,
+                                                   srw_error, bprr->errstring);
+                            ok = 0;
+                        }
                     }
-                    else
+                    
+                    if (ok)
                     {
-                        int ok = 1;
-                        if (start + number > rr.hits)
-                            number = rr.hits - start + 1;
-
-                        /* Call bend_present if defined */
-                        if (assoc->init->bend_present)
+                        int j = 0;
+                        int packing = Z_SRW_recordPacking_string;
+                        if (srw_req->recordPacking)
                         {
-                            bend_present_rr *bprr = (bend_present_rr*)
-                                odr_malloc (assoc->decode, sizeof(*bprr));
-                            bprr->setname = "default";
-                            bprr->start = start;
-                            bprr->number = number;
-                            bprr->format = VAL_TEXT_XML;
-                            if (srw_req->recordSchema)
-                            {
-                                bprr->comp = (Z_RecordComposition *) odr_malloc(assoc->decode,
-                                        sizeof(*bprr->comp));
-                                bprr->comp->which = Z_RecordComp_simple;
-                                bprr->comp->u.simple = (Z_ElementSetNames *)
-                                    odr_malloc(assoc->decode, sizeof(Z_ElementSetNames));
-                                bprr->comp->u.simple->which = Z_ElementSetNames_generic;
-                                bprr->comp->u.simple->u.generic = srw_req->recordSchema;
-                            }
-                            else
-                            {
-                                bprr->comp = 0;
-                            }
-                            bprr->stream = assoc->encode;
-                            bprr->referenceId = 0;
-                            bprr->print = assoc->print;
-                            bprr->request = req;
-                            bprr->association = assoc;
-                            bprr->errcode = 0;
-                            bprr->errstring = NULL;
-                            (*assoc->init->bend_present)(assoc->backend, bprr);
+                            packing = 
+                                yaz_srw_str_to_pack(srw_req->recordPacking);
+                            if (packing == -1)
+                                packing = Z_SRW_recordPacking_string;
+                        }
+                        srw_res->records = (Z_SRW_record *)
+                            odr_malloc(assoc->encode,
+                                       number * sizeof(*srw_res->records));
+                        
+                        srw_res->extra_records = (Z_SRW_extra_record **)
+                            odr_malloc(assoc->encode,
+                                       number*sizeof(*srw_res->extra_records));
+
+                        for (i = 0; i<number; i++)
+                        {
+                            int errcode;
+                            const char *addinfo = 0;
                             
-                            if (!bprr->request)
-                                return;
-                            if (bprr->errcode)
+                            srw_res->records[j].recordPacking = packing;
+                            srw_res->records[j].recordData_buf = 0;
+                            srw_res->extra_records[j] = 0;
+                            yaz_log(YLOG_DEBUG, "srw_bend_fetch %d", i+start);
+                            errcode = srw_bend_fetch(assoc, i+start, srw_req,
+                                                     srw_res->records + j,
+                                                     &addinfo);
+                            if (errcode)
                             {
-                                srw_error = yaz_diag_bib1_to_srw (bprr->errcode);
                                 yaz_add_srw_diagnostic(assoc->encode,
                                                        &srw_res->diagnostics,
                                                        &srw_res->num_diagnostics,
-                                                       srw_error, bprr->errstring);
-                                ok = 0;
-                            }
-                        }
-
-                        if (ok)
-                        {
-                            int j = 0;
-                            int packing = Z_SRW_recordPacking_string;
-                            if (srw_req->recordPacking){
-                                if (!strcmp(srw_req->recordPacking, "xml"))
-                                    packing = Z_SRW_recordPacking_XML;
-                                if (!strcmp(srw_req->recordPacking, "url"))
-                                    packing = Z_SRW_recordPacking_URL;
-                            }
-                            srw_res->records = (Z_SRW_record *)
-                                odr_malloc(assoc->encode,
-                                           number * sizeof(*srw_res->records));
-                            
-                            srw_res->extra_records = (Z_SRW_extra_record **)
-                                odr_malloc(assoc->encode,
-                                           number*sizeof(*srw_res->extra_records));
-
-                            for (i = 0; i<number; i++)
-                            {
-                                int errcode;
+                                                       yaz_diag_bib1_to_srw (errcode),
+                                                       addinfo);
                                 
-                                srw_res->records[j].recordPacking = packing;
-                                srw_res->records[j].recordData_buf = 0;
-                                srw_res->extra_records[j] = 0;
-                                yaz_log(YLOG_DEBUG, "srw_bend_fetch %d", i+start);
-                                errcode = srw_bend_fetch(assoc, i+start, srw_req,
-                                                         srw_res->records + j);
-                                if (errcode)
-                                {
-                                    yaz_add_srw_diagnostic(assoc->encode,
-                                                           &srw_res->diagnostics,
-                                                           &srw_res->num_diagnostics,
-                                                           yaz_diag_bib1_to_srw (errcode),
-                                                           rr.errstring);
-                                    
-                                    break;
-                                }
-                                if (srw_res->records[j].recordData_buf)
-                                    j++;
+                                break;
                             }
-                            srw_res->num_records = j;
-                            if (!j)
-                                srw_res->records = 0;
+                            if (srw_res->records[j].recordData_buf)
+                                j++;
                         }
+                        srw_res->num_records = j;
+                        if (!j)
+                            srw_res->records = 0;
                     }
                 }
+                if (rr.estimated_hit_count || rr.partial_resultset)
+                {
+                    yaz_add_srw_diagnostic(
+                        assoc->encode,
+                        &srw_res->diagnostics,
+                        &srw_res->num_diagnostics,
+                        YAZ_SRW_RESULT_SET_CREATED_WITH_VALID_PARTIAL_RESULTS_AVAILABLE,
+                        0);
+                }
             }
         }
     }
@@ -1136,15 +1144,15 @@ static void srw_bend_search(association *assoc, request *req,
                       srw_res->resultSetId : "-"),
                      (srw_req->startRecord ? *srw_req->startRecord : 1), 
                      srw_res->num_records);
-        yaz_log(log_request, "%s %s: %s", wrbuf_buf(wr), querytype, querystr);
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s %s: %s", wrbuf_cstr(wr), querytype, querystr);
+        wrbuf_destroy(wr);
     }
 }
 
 static char *srw_bend_explain_default(void *handle, bend_explain_rr *rr)
 {
 #if YAZ_HAVE_XML2
-    xmlNodePtr ptr = rr->server_node_ptr;
+    xmlNodePtr ptr = (xmlNode *) rr->server_node_ptr;
     if (!ptr)
         return 0;
     for (ptr = ptr->children; ptr; ptr = ptr->next)
@@ -1210,10 +1218,10 @@ static void srw_bend_explain(association *assoc, request *req,
             int packing = Z_SRW_recordPacking_string;
             if (srw_req->recordPacking)
             {
-                if (!strcmp(srw_req->recordPacking, "xml"))
-                    packing = Z_SRW_recordPacking_XML;
-                else if (!strcmp(srw_req->recordPacking, "url"))
-                    packing = Z_SRW_recordPacking_URL;
+                packing = 
+                    yaz_srw_str_to_pack(srw_req->recordPacking);
+                if (packing == -1)
+                    packing = Z_SRW_recordPacking_string;
             }
             srw_res->record.recordSchema = rr.schema;
             srw_res->record.recordPacking = packing;
@@ -1256,12 +1264,14 @@ static void srw_bend_scan(association *assoc, request *req,
         bsrr->print = assoc->print;
         bsrr->step_size = odr_intdup(assoc->decode, 0);
         bsrr->entries = 0;
+        bsrr->setname = 0;
 
         if (bsrr->num_entries > 0) 
         {
             int i;
-            bsrr->entries = odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
-                                       bsrr->num_entries);
+            bsrr->entries = (struct scan_entry *) 
+                odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
+                           bsrr->num_entries);
             for (i = 0; i<bsrr->num_entries; i++)
             {
                 bsrr->entries[i].term = 0;
@@ -1276,20 +1286,11 @@ static void srw_bend_scan(association *assoc, request *req,
         if (srw_req->query_type == Z_SRW_query_type_pqf &&
             assoc->init->bend_scan)
         {
-            Odr_oid *scan_attributeSet = 0;
-            oident *attset;
             YAZ_PQF_Parser pqf_parser = yaz_pqf_create();
             
             bsrr->term = yaz_pqf_scan(pqf_parser, assoc->decode,
-                                      &scan_attributeSet, 
+                                      &bsrr->attributeset, 
                                       srw_req->scanClause.pqf); 
-            if (scan_attributeSet &&
-                (attset = oid_getentbyoid(scan_attributeSet)) &&
-                (attset->oclass == CLASS_ATTSET ||
-                 attset->oclass == CLASS_GENERAL))
-                bsrr->attributeset = attset->value;
-            else
-                bsrr->attributeset = VAL_NONE;
             yaz_pqf_destroy(pqf_parser);
             bsrr->scanClause = 0;
             ((int (*)(void *, bend_scan_rr *))
@@ -1301,8 +1302,9 @@ static void srw_bend_scan(association *assoc, request *req,
         {
             int srw_error;
             bsrr->scanClause = 0;
-            bsrr->attributeset = VAL_NONE;
-            bsrr->term = odr_malloc(assoc->decode, sizeof(*bsrr->term));
+            bsrr->attributeset = 0;
+            bsrr->term = (Z_AttributesPlusTerm *)
+                odr_malloc(assoc->decode, sizeof(*bsrr->term));
             srw_error = cql2pqf_scan(assoc->encode,
                                      srw_req->scanClause.cql,
                                      assoc->server->cql_transform,
@@ -1321,7 +1323,7 @@ static void srw_bend_scan(association *assoc, request *req,
                  && assoc->init->bend_srw_scan)
         {
             bsrr->term = 0;
-            bsrr->attributeset = VAL_NONE;
+            bsrr->attributeset = 0;
             bsrr->scanClause = srw_req->scanClause.cql;
             ((int (*)(void *, bend_scan_rr *))
              (*assoc->init->bend_srw_scan))(assoc->backend, bsrr);
@@ -1392,7 +1394,7 @@ static void srw_bend_scan(association *assoc, request *req,
             querystr = srw_req->scanClause.cql;
             break;
         default:
-            querytype = "Unknown";
+            querytype = "UNKNOWN";
             querystr = "";
         }
 
@@ -1401,19 +1403,21 @@ static void srw_bend_scan(association *assoc, request *req,
         wrbuf_printf(wr, " ");
 
         if (srw_res->num_diagnostics)
-            wrbuf_printf(wr, "ERROR %s ", srw_res->diagnostics[0].uri);
+            wrbuf_printf(wr, "ERROR %s - ", srw_res->diagnostics[0].uri);
+        else if (srw_res->num_terms)
+            wrbuf_printf(wr, "OK %d - ", srw_res->num_terms);
         else
-            wrbuf_printf(wr, "OK - ");
+            wrbuf_printf(wr, "OK - - ");
 
-        wrbuf_printf(wr, "%d+%d 1 ",
+        wrbuf_printf(wr, "%d+%d+0 ",
                      (srw_req->responsePosition ? 
                       *srw_req->responsePosition : 1),
                      (srw_req->maximumTerms ?
                       *srw_req->maximumTerms : 1));
         /* there is no step size in SRU/W ??? */
         wrbuf_printf(wr, "%s: %s ", querytype, querystr);
-        yaz_log(log_request, "%s ", wrbuf_buf(wr) );
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s ", wrbuf_cstr(wr) );
+        wrbuf_destroy(wr);
     }
 
 }
@@ -1424,13 +1428,14 @@ static void srw_bend_update(association *assoc, request *req,
                            int *http_code)
 {
     Z_SRW_updateRequest *srw_req = sr->u.update_request;
-    yaz_log(YLOG_DEBUG, "Got SRW UpdateRequest");
+    yaz_log(log_session, "SRWUpdate action=%s", srw_req->operation);
     yaz_log(YLOG_DEBUG, "num_diag = %d", srw_res->num_diagnostics );
     *http_code = 404;
     srw_bend_init(assoc, &srw_res->diagnostics, &srw_res->num_diagnostics, sr);
     if (assoc->init)
     {
        bend_update_rr rr;
+        Z_SRW_extra_record *extra = srw_req->extra_record;
        
        rr.stream = assoc->encode;
        rr.print = assoc->print;
@@ -1439,143 +1444,169 @@ static void srw_bend_update(association *assoc, request *req,
        rr.operation = srw_req->operation;
        rr.operation_status = "failed";
        rr.record_id = 0;
-        rr.record_version = 0;
-        rr.record_checksum = 0;
-        rr.record_old_version = 0;
-        rr.record_packing = "xml";
+        rr.record_versions = 0;
+        rr.num_versions = 0;
+        rr.record_packing = "string";
        rr.record_schema = 0;
         rr.record_data = 0;
-        rr.request_extra_record = 0;
-        rr.response_extra_record = 0;
+        rr.extra_record_data = 0;
         rr.extra_request_data = 0;
         rr.extra_response_data = 0;
         rr.uri = 0;
         rr.message = 0;
         rr.details = 0;
-
+        
+       *http_code = 200;
+        if (rr.operation == 0)
+        {
+            yaz_add_sru_update_diagnostic(
+                assoc->encode, &srw_res->diagnostics,
+                &srw_res->num_diagnostics,
+                YAZ_SRU_UPDATE_MISSING_MANDATORY_ELEMENT_RECORD_REJECTED,
+                "action" );
+            return;
+        }
         yaz_log(YLOG_DEBUG, "basename = %s", rr.basenames[0] );
         yaz_log(YLOG_DEBUG, "Operation = %s", rr.operation );
-       if ( !strcmp( rr.operation, "delete" ) ){
-            if ( !srw_req->recordId ){
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordId" );
-            }
-            else {
-                rr.record_id = srw_req->recordId;
-            }
-            if (  !srw_req->recordVersion ){
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordVersion" );
-            }
-            else {
-                rr.record_version = odr_strdup( assoc->encode,
-                                                srw_req->recordVersion );
-                
+       if (!strcmp( rr.operation, "delete"))
+        {
+            if (srw_req->record && !srw_req->record->recordSchema)
+            {
+                rr.record_schema = odr_strdup(
+                    assoc->encode,
+                    srw_req->record->recordSchema);
             }
-            if ( srw_req->recordOldVersion ){
-                rr.record_old_version = odr_strdup(assoc->encode,
-                                                   srw_req->recordOldVersion );
+            if (srw_req->record)
+            {
+                rr.record_data = odr_strdupn(
+                    assoc->encode, 
+                    srw_req->record->recordData_buf,
+                    srw_req->record->recordData_len );
             }
-            if ( srw_req->extraRequestData ){
-                rr.extra_request_data = odr_strdup(assoc->encode,
-                                                   srw_req->extraRequestData );
+            if (extra && extra->extraRecordData_len)
+            {
+                rr.extra_record_data = odr_strdupn(
+                    assoc->encode, 
+                    extra->extraRecordData_buf,
+                    extra->extraRecordData_len );
             }
+            if (srw_req->recordId)
+                rr.record_id = srw_req->recordId;
+            else if (extra && extra->recordIdentifier)
+                rr.record_id = extra->recordIdentifier;
        }
-       else if ( !strcmp( rr.operation, "replace" ) ){
-            if ( !srw_req->recordId ){
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordId" );
-            }
-            else {
+       else if (!strcmp(rr.operation, "replace"))
+        {
+            if (srw_req->recordId)
                 rr.record_id = srw_req->recordId;
+            else if (extra && extra->recordIdentifier)
+                rr.record_id = extra->recordIdentifier;
+            else 
+            {
+                yaz_add_sru_update_diagnostic(
+                    assoc->encode, &srw_res->diagnostics,
+                    &srw_res->num_diagnostics,
+                    YAZ_SRU_UPDATE_MISSING_MANDATORY_ELEMENT_RECORD_REJECTED,
+                    "recordIdentifier");
             }
-            if ( srw_req->record.recordSchema == 0 ){
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordSchema" );
-            }
-            else {
-                rr.record_schema = odr_strdup(assoc->encode,
-                                              srw_req->record.recordSchema );
-            }
-            switch (srw_req->record.recordPacking)
+            if (!srw_req->record)
             {
-            case Z_SRW_recordPacking_string: 
-                rr.record_packing = "string";
-                break;
-            case Z_SRW_recordPacking_XML: 
-                rr.record_packing = "xml";
-                break;
-            case Z_SRW_recordPacking_URL: 
-                rr.record_packing = "url";
-                break;
+                yaz_add_sru_update_diagnostic(
+                    assoc->encode, &srw_res->diagnostics,
+                    &srw_res->num_diagnostics,
+                    YAZ_SRU_UPDATE_MISSING_MANDATORY_ELEMENT_RECORD_REJECTED,
+                    "record");
             }
-            if ( srw_req->record.recordData_len ){
-                rr.record_data = odr_strdupn(assoc->encode, 
-                                             srw_req->record.recordData_buf,
-                                             srw_req->record.recordData_len );
-                rr.request_extra_record = srw_req->extra_record;
+            else 
+            {
+                if (srw_req->record->recordSchema)
+                    rr.record_schema = odr_strdup(
+                        assoc->encode, srw_req->record->recordSchema);
+                if (srw_req->record->recordData_len )
+                {
+                    rr.record_data = odr_strdupn(assoc->encode, 
+                                                 srw_req->record->recordData_buf,
+                                                 srw_req->record->recordData_len );
+                }
+                else 
+                {
+                    yaz_add_sru_update_diagnostic(
+                        assoc->encode, &srw_res->diagnostics,
+                        &srw_res->num_diagnostics,
+                        YAZ_SRU_UPDATE_MISSING_MANDATORY_ELEMENT_RECORD_REJECTED,                                              
+                        "recordData" );
+                }
             }
-            else {
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordData" );
+            if (extra && extra->extraRecordData_len)
+            {
+                rr.extra_record_data = odr_strdupn(
+                    assoc->encode, 
+                    extra->extraRecordData_buf,
+                    extra->extraRecordData_len );
             }
-            if (srw_req->extraRequestData)
-                rr.extra_request_data = odr_strdup(assoc->encode,
-                                                   srw_req->extraRequestData );
        }
-       else if ( !strcmp( rr.operation, "insert" ) )
+       else if (!strcmp(rr.operation, "insert"))
         {
-            rr.record_id = srw_req->recordId; 
-            if ( srw_req->record.recordSchema == 0 ){
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordSchema" );
-            }
-            else {
-                rr.record_schema = odr_strdup(assoc->encode,
-                                              srw_req->record.recordSchema);
-            }
-            switch (srw_req->record.recordPacking)
+            if (srw_req->recordId)
+                rr.record_id = srw_req->recordId; 
+            else if (extra)
+                rr.record_id = extra->recordIdentifier;
+            
+            if (srw_req->record)
             {
-            case Z_SRW_recordPacking_string: 
-                rr.record_packing = "string";
-                break;
-            case Z_SRW_recordPacking_XML: 
-                rr.record_packing = "xml";
-                break;
-            case Z_SRW_recordPacking_URL: 
-                rr.record_packing = "url";
-                break;
-            }
+                if (srw_req->record->recordSchema)
+                    rr.record_schema = odr_strdup(
+                        assoc->encode, srw_req->record->recordSchema);
             
-            if (srw_req->record.recordData_len)
+                if (srw_req->record->recordData_len)
+                    rr.record_data = odr_strdupn(
+                        assoc->encode, 
+                        srw_req->record->recordData_buf,
+                        srw_req->record->recordData_len );
+            }
+            if (extra && extra->extraRecordData_len)
             {
-                rr.record_data = odr_strdupn(assoc->encode, 
-                                             srw_req->record.recordData_buf,
-                                             srw_req->record.recordData_len );
-                rr.request_extra_record = srw_req->extra_record;
+                rr.extra_record_data = odr_strdupn(
+                    assoc->encode, 
+                    extra->extraRecordData_buf,
+                    extra->extraRecordData_len );
             }
-            else
-                yaz_add_srw_diagnostic(assoc->encode, &srw_res->diagnostics,
-                                       &srw_res->num_diagnostics,
-                                       7, "recordData" );
-            if ( srw_req->extraRequestData )
-                rr.extra_request_data = odr_strdup(assoc->encode,
-                                                   srw_req->extraRequestData );
        }
+       else 
+            yaz_add_sru_update_diagnostic(assoc->encode, &srw_res->diagnostics,
+                                          &srw_res->num_diagnostics,
+                                          YAZ_SRU_UPDATE_INVALID_ACTION,
+                                          rr.operation );
+
+        if (srw_req->record)
+        {
+            const char *pack_str = 
+                yaz_srw_pack_to_str(srw_req->record->recordPacking);
+            if (pack_str)
+                rr.record_packing = odr_strdup(assoc->encode, pack_str);
+        }
+
+        if (srw_req->num_recordVersions)
+        {
+            rr.record_versions = srw_req->recordVersions;
+            rr.num_versions = srw_req->num_recordVersions;
+        }
+        if (srw_req->extraRequestData_len)
+        {
+            rr.extra_request_data = odr_strdupn(assoc->encode,
+                                                srw_req->extraRequestData_buf,
+                                                srw_req->extraRequestData_len );
+        }
         if (srw_res->num_diagnostics == 0)
         {
             if ( assoc->init->bend_srw_update)
                 (*assoc->init->bend_srw_update)(assoc->backend, &rr);
-            else {
-                yaz_log( YLOG_WARN, "Got No Update function!");
-                return;
-            }
+            else 
+                yaz_add_sru_update_diagnostic(
+                    assoc->encode, &srw_res->diagnostics,
+                    &srw_res->num_diagnostics,
+                    YAZ_SRU_UPDATE_UNSPECIFIED_DATABASE_ERROR,
+                    "No Update backend handler");
         }
 
         if (rr.uri)
@@ -1587,22 +1618,40 @@ static void srw_bend_update(association *assoc, request *req,
                                        rr.details);
        srw_res->recordId = rr.record_id;
        srw_res->operationStatus = rr.operation_status;
-       srw_res->recordVersion = rr.record_version;
-       srw_res->recordChecksum = rr.record_checksum;
-       srw_res->extraResponseData = rr.extra_response_data;
-        srw_res->record.recordPosition = 0;
+       srw_res->recordVersions = rr.record_versions;
+       srw_res->num_recordVersions = rr.num_versions;
+        if (srw_res->extraResponseData_len)
+        {
+            srw_res->extraResponseData_buf = rr.extra_response_data;
+            srw_res->extraResponseData_len = strlen(rr.extra_response_data);
+        }
        if (srw_res->num_diagnostics == 0 && rr.record_data)
-       {
-            srw_res->record.recordSchema = rr.record_schema;
-            srw_res->record.recordPacking = srw_req->record.recordPacking;
-            srw_res->record.recordData_buf = rr.record_data;
-            srw_res->record.recordData_len = strlen(rr.record_data);
-            srw_res->extra_record = rr.response_extra_record;
-                
-       }
-       else
-            srw_res->record.recordData_len = 0;
-       *http_code = 200;
+        {
+            srw_res->record = yaz_srw_get_record(assoc->encode);
+            srw_res->record->recordSchema = rr.record_schema;
+            if (rr.record_packing)
+            {
+                int pack = yaz_srw_str_to_pack(rr.record_packing);
+
+                if (pack == -1)
+                {
+                    pack = Z_SRW_recordPacking_string;
+                    yaz_log(YLOG_WARN, "Back packing %s from backend",
+                            rr.record_packing);
+                }
+                srw_res->record->recordPacking = pack;
+            }
+            srw_res->record->recordData_buf = rr.record_data;
+            srw_res->record->recordData_len = strlen(rr.record_data);
+            if (rr.extra_record_data)
+            {
+                Z_SRW_extra_record *ex = 
+                    yaz_srw_get_extra_record(assoc->encode);
+                srw_res->extra_record = ex;
+                ex->extraRecordData_buf = rr.extra_record_data;
+                ex->extraRecordData_len = strlen(rr.extra_record_data);
+            }
+        }
     }
 }
 
@@ -1626,7 +1675,7 @@ static char *read_file(const char *fname, ODR o, int *sz)
     fseek(inf, 0L, SEEK_END);
     *sz = ftell(inf);
     rewind(inf);
-    buf = odr_malloc(o, *sz);
+    buf = (char *) odr_malloc(o, *sz);
     fread(buf, 1, *sz, inf);
     fclose(inf);
     return buf;     
@@ -1801,12 +1850,9 @@ static void process_http_request(association *assoc, request *req)
         {
             static Z_SOAP_Handler soap_handlers[4] = {
 #if YAZ_HAVE_XML2
-                {"http://www.loc.gov/zing/srw/", 0,
-                 (Z_SOAP_fun) yaz_srw_codec},
-                {"http://www.loc.gov/zing/srw/v1.0/", 0,
-                 (Z_SOAP_fun) yaz_srw_codec},
-                {"http://www.loc.gov/zing/srw/update/", 0,
-                 (Z_SOAP_fun) yaz_ucp_codec},
+                {YAZ_XMLNS_SRU_v1_1, 0, (Z_SOAP_fun) yaz_srw_codec},
+                {YAZ_XMLNS_SRU_v1_0, 0, (Z_SOAP_fun) yaz_srw_codec},
+                {YAZ_XMLNS_UPDATE_v0_9, 0, (Z_SOAP_fun) yaz_ucp_codec},
 #endif
                 {0, 0, 0}
             };
@@ -2078,13 +2124,17 @@ static int process_gdu_response(association *assoc, request *req, Z_GDU *res)
     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))
+    for (;;)
     {
-        yaz_log (YLOG_DEBUG, "more work to be done");
-        iochan_setevent(assoc->client_chan, EVENT_WORK);
+        req = request_head(&assoc->incoming);
+        if (req && req->state == REQUEST_IDLE)
+        {
+            request_deq(&assoc->incoming);
+            process_gdu_request(assoc, req);
+        }
+        else
+            break;
     }
-#endif
     return 0;
 }
 
@@ -2102,7 +2152,7 @@ static int process_z_response(association *assoc, request *req, Z_APDU *res)
 
 static char *get_vhost(Z_OtherInformation *otherInfo)
 {
-    return yaz_oi_get_string_oidval(&otherInfo, VAL_PROXY, 1, 0);
+    return yaz_oi_get_string_oid(&otherInfo, yaz_oid_userinfo_proxy, 1, 0);
 }
 
 /*
@@ -2173,7 +2223,8 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     else
     {
         /* no backend. return error */
-        binitres = odr_malloc(assoc->encode, sizeof(*binitres));
+        binitres = (bend_initresult *)
+            odr_malloc(assoc->encode, sizeof(*binitres));
         binitres->errstring = 0;
         binitres->errcode = YAZ_BIB1_PERMANENT_SYSTEM_ERROR;
         iochan_settimeout(assoc->client_chan, 10);
@@ -2238,26 +2289,34 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
         ODR_MASK_SET(resp->options, Z_Options_sort);
         strcat(options, " sort");
     }
-
-    if (ODR_MASK_GET(req->options, Z_Options_negotiationModel)
-        && assoc->init->charneg_response)
+    
+    if (ODR_MASK_GET(req->options, Z_Options_negotiationModel))
     {
-        Z_OtherInformation **p;
         Z_OtherInformationUnit *p0;
-        
-        yaz_oi_APDU(apdu, &p);
-        
-        if ((p0=yaz_oi_update(p, assoc->encode, NULL, 0, 0))) {
-            ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
-            
+
+        if (!assoc->init->charneg_response)
+        {
+            if (assoc->init->query_charset)
+            {
+                assoc->init->charneg_response = yaz_set_response_charneg(
+                    assoc->encode, assoc->init->query_charset, 0, 
+                    assoc->init->records_in_same_charset);
+            }
+            else
+            {
+                yaz_log(YLOG_WARN, "default query_charset not defined by backend");
+            }
+        }
+        if (assoc->init->charneg_response
+            && (p0=yaz_oi_update(&resp->otherInfo, assoc->encode, NULL, 0, 0)))
+        {
             p0->which = Z_OtherInfo_externallyDefinedInfo;
             p0->information.externallyDefinedInfo =
                 assoc->init->charneg_response;
+            ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
+            strcat(options, " negotiation");
         }
-        ODR_MASK_SET(resp->options, Z_Options_negotiationModel);
-        strcat(options, " negotiation");
     }
-        
     if (ODR_MASK_GET(req->options, Z_Options_triggerResourceCtrl))
         ODR_MASK_SET(resp->options, Z_Options_triggerResourceCtrl);
 
@@ -2278,13 +2337,12 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
     }
 
     yaz_log(log_requestdetail, "Negotiated to v%d: %s", assoc->version, options);
-    assoc->maximumRecordSize = *req->maximumRecordSize;
 
-    if (cb && assoc->maximumRecordSize > cb->maxrecordsize)
-        assoc->maximumRecordSize = cb->maxrecordsize;
-    assoc->preferredMessageSize = *req->preferredMessageSize;
-    if (assoc->preferredMessageSize > assoc->maximumRecordSize)
-        assoc->preferredMessageSize = assoc->maximumRecordSize;
+    if (*req->maximumRecordSize < assoc->maximumRecordSize)
+        assoc->maximumRecordSize = *req->maximumRecordSize;
+
+    if (*req->preferredMessageSize < assoc->preferredMessageSize)
+        assoc->preferredMessageSize = *req->preferredMessageSize;
 
     resp->preferredMessageSize = &assoc->preferredMessageSize;
     resp->maximumRecordSize = &assoc->maximumRecordSize;
@@ -2297,7 +2355,7 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
                 assoc->init->implementation_name,
                 odr_prepend(assoc->encode, "GFS", resp->implementationName));
 
-    version = odr_strdup(assoc->encode, "$Revision: 1.90 $");
+    version = odr_strdup(assoc->encode, "$Revision: 1.121 $");
     if (strlen(version) > 10)   /* check for unexpanded CVS strings */
         version[strlen(version)-2] = '\0';
     resp->implementationVersion = odr_prepend(assoc->encode,
@@ -2360,8 +2418,8 @@ static Z_APDU *process_initRequest(association *assoc, request *reqb)
                      (req->implementationVersion ?
                       req->implementationVersion : "-")
             );
-        yaz_log(log_request, "%s", wrbuf_buf(wr));
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s", wrbuf_cstr(wr));
+        wrbuf_destroy(wr);
     }
     return apdu;
 }
@@ -2409,9 +2467,9 @@ static Z_NamePlusRecord *surrogatediagrec(association *assoc,
 
 static Z_Records *pack_records(association *a, char *setname, int start,
                                int *num, Z_RecordComposition *comp,
-                               int *next, int *pres, oid_value format,
+                               int *next, int *pres,
                                Z_ReferenceId *referenceId,
-                               int *oid, int *errcode)
+                               Odr_oid *oid, int *errcode)
 {
     int recno, total_length = 0, toget = *num, dumped_records = 0;
     Z_Records *records =
@@ -2453,10 +2511,8 @@ static Z_Records *pack_records(association *a, char *setname, int start,
         freq.surrogate_flag = 0;
         freq.number = recno;
         freq.comp = comp;
-        freq.request_format = format;
-        freq.request_format_raw = oid;
-        freq.output_format = format;
-        freq.output_format_raw = 0;
+        freq.request_format = oid;
+        freq.output_format = 0;
         freq.stream = a->encode;
         freq.print = a->print;
         freq.referenceId = referenceId;
@@ -2548,13 +2604,10 @@ static Z_Records *pack_records(association *a, char *setname, int start,
             thisrec->databaseName = 0;
         thisrec->which = Z_NamePlusRecord_databaseRecord;
 
-        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 (!freq.output_format)
+            freq.output_format = freq.request_format;
+        thisrec->u.databaseRecord = z_ext_record_oid(
+            a->encode, freq.output_format, freq.record, freq.len);
         if (!thisrec->u.databaseRecord)
             return 0;
         reclist->records[reclist->num_records] = thisrec;
@@ -2580,13 +2633,15 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
     bsrr->srw_sortKeys = 0;
     bsrr->srw_setname = 0;
     bsrr->srw_setnameIdleTime = 0;
+    bsrr->estimated_hit_count = 0;
+    bsrr->partial_resultset = 0;
 
     yaz_log (log_requestdetail, "ResultSet '%s'", req->resultSetName);
     if (req->databaseNames)
     {
         int i;
         for (i = 0; i < req->num_databaseNames; i++)
-            yaz_log (log_requestdetail, "Database '%s'", req->databaseNames[i]);
+            yaz_log(log_requestdetail, "Database '%s'", req->databaseNames[i]);
     }
 
     yaz_log_zquery_level(log_requestdetail,req->query);
@@ -2599,7 +2654,7 @@ static Z_APDU *process_searchRequest(association *assoc, request *reqb,
         bsrr->basenames = req->databaseNames;
         bsrr->query = req->query;
         bsrr->stream = assoc->encode;
-        nmem_transfer(bsrr->stream->mem, reqb->request_mem);
+        nmem_transfer(odr_getmem(bsrr->stream), reqb->request_mem);
         bsrr->decode = assoc->decode;
         bsrr->print = assoc->print;
         bsrr->hits = 0;
@@ -2648,10 +2703,9 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     Z_SearchResponse *resp = (Z_SearchResponse *)
         odr_malloc (assoc->encode, sizeof(*resp));
     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_SearchResponse_none);
-    int returnedrecs=0;
+    int returnedrecs = 0;
 
     apdu->which = Z_APDU_searchResponse;
     apdu->u.searchResponse = resp;
@@ -2676,8 +2730,8 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
     }
     else
     {
+        bool_t *sr = odr_intdup(assoc->encode, 1);
         int *toget = odr_intdup(assoc->encode, 0);
-        int *presst = odr_intdup(assoc->encode, 0);
         Z_RecordComposition comp, *compp = 0;
 
         yaz_log (log_requestdetail, "resultCount: %d", bsrt->hits);
@@ -2706,14 +2760,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
 
         if (*toget && !resp->records)
         {
-            oident *prefformat;
-            oid_value form;
-
-            if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
-                form = VAL_NONE;
-            else
-                form = prefformat->value;
-
+            int *presst = odr_intdup(assoc->encode, 0);
             /* Call bend_present if defined */
             if (assoc->init->bend_present)
             {
@@ -2722,7 +2769,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
                 bprr->setname = req->resultSetName;
                 bprr->start = 1;
                 bprr->number = *toget;
-                bprr->format = form;
+                bprr->format = req->preferredRecordSyntax;
                 bprr->comp = compp;
                 bprr->referenceId = req->referenceId;
                 bprr->stream = assoc->encode;
@@ -2743,16 +2790,14 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
             }
 
             if (!resp->records)
-                resp->records = pack_records(assoc, req->resultSetName, 1,
-                                             toget, compp, next, presst, form, req->referenceId,
-                                             req->preferredRecordSyntax, NULL);
+                resp->records = pack_records(
+                    assoc, req->resultSetName, 1,
+                    toget, compp, next, presst, req->referenceId,
+                    req->preferredRecordSyntax, NULL);
             if (!resp->records)
                 return 0;
             resp->numberOfRecordsReturned = toget;
             returnedrecs = *toget;
-            resp->nextResultSetPosition = next;
-            resp->searchStatus = sr;
-            resp->resultSetStatus = 0;
             resp->presentStatus = presst;
         }
         else
@@ -2760,11 +2805,21 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
             if (*resp->resultCount)
                 *next = 1;
             resp->numberOfRecordsReturned = nulint;
-            resp->nextResultSetPosition = next;
-            resp->searchStatus = sr;
-            resp->resultSetStatus = 0;
             resp->presentStatus = 0;
         }
+        resp->nextResultSetPosition = next;
+        resp->searchStatus = sr;
+        resp->resultSetStatus = 0;
+        if (bsrt->estimated_hit_count)
+        {
+            resp->resultSetStatus = odr_intdup(assoc->encode, 
+                                               Z_SearchResponse_estimate);
+        }
+        else if (bsrt->partial_resultset)
+        {
+            resp->resultSetStatus = odr_intdup(assoc->encode, 
+                                               Z_SearchResponse_subset);
+        }
     }
     resp->additionalSearchInfo = bsrt->search_info;
 
@@ -2775,7 +2830,7 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
 
         for (i = 0 ; i < req->num_databaseNames; i++){
             if (i)
-                wrbuf_printf(wr, ",");
+                wrbuf_printf(wr, "+");
             wrbuf_printf(wr, req->databaseNames[i]);
         }
         wrbuf_printf(wr, " ");
@@ -2788,8 +2843,8 @@ static Z_APDU *response_searchRequest(association *assoc, request *reqb,
                      req->resultSetName, returnedrecs);
         yaz_query_to_wrbuf(wr, req->query);
         
-        yaz_log(log_request, "Search %s", wrbuf_buf(wr));
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "Search %s", wrbuf_cstr(wr));
+        wrbuf_destroy(wr);
     }
     return apdu;
 }
@@ -2813,8 +2868,6 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
                                       int *fd)
 {
     Z_PresentRequest *req = reqb->apdu_request->u.presentRequest;
-    oident *prefformat;
-    oid_value form;
     Z_APDU *apdu;
     Z_PresentResponse *resp;
     int *next;
@@ -2824,10 +2877,6 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
 
     yaz_log(log_requestdetail, "Got PresentRequest.");
 
-    if (!(prefformat = oid_getentbyoid(req->preferredRecordSyntax)))
-        form = VAL_NONE;
-    else
-        form = prefformat->value;
     resp = (Z_PresentResponse *)odr_malloc (assoc->encode, sizeof(*resp));
     resp->records = 0;
     resp->presentStatus = odr_intdup(assoc->encode, 0);
@@ -2838,7 +2887,7 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
         bprr->setname = req->resultSetId;
         bprr->start = *req->resultSetStartPoint;
         bprr->number = *req->numberOfRecordsRequested;
-        bprr->format = form;
+        bprr->format = req->preferredRecordSyntax;
         bprr->comp = req->recordComposition;
         bprr->referenceId = req->referenceId;
         bprr->stream = assoc->encode;
@@ -2875,7 +2924,7 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
             pack_records(assoc, req->resultSetId, *req->resultSetStartPoint,
                          num, req->recordComposition, next,
                          resp->presentStatus,
-                         form, req->referenceId, req->preferredRecordSyntax, 
+                         req->referenceId, req->preferredRecordSyntax, 
                          &errcode);
     }
     if (log_request)
@@ -2884,17 +2933,17 @@ static Z_APDU *process_presentRequest(association *assoc, request *reqb,
         wrbuf_printf(wr, "Present ");
 
         if (*resp->presentStatus == Z_PresentStatus_failure)
-            wrbuf_printf(wr, "ERROR %d", errcode);
+            wrbuf_printf(wr, "ERROR %d ", errcode);
         else if (*resp->presentStatus == Z_PresentStatus_success)
-            wrbuf_printf(wr, "OK -");
+            wrbuf_printf(wr, "OK -  ");
         else
-            wrbuf_printf(wr, "Partial %d", *resp->presentStatus);
+            wrbuf_printf(wr, "Partial %d - ", *resp->presentStatus);
 
         wrbuf_printf(wr, " %s %d+%d ",
                 req->resultSetId, *req->resultSetStartPoint,
                 *req->numberOfRecordsRequested);
-        yaz_log(log_request, "%s", wrbuf_buf(wr) );
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s", wrbuf_cstr(wr) );
+        wrbuf_destroy(wr);
     }
     if (!resp->records)
         return 0;
@@ -2919,7 +2968,6 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     Z_ListEntries *ents = (Z_ListEntries *)
         odr_malloc (assoc->encode, sizeof(*ents));
     Z_DiagRecs *diagrecs_p = NULL;
-    oident *attset;
     bend_scan_rr *bsrr = (bend_scan_rr *)
         odr_malloc (assoc->encode, sizeof(*bsrr));
     struct scan_entry *save_entries;
@@ -2963,6 +3011,8 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     bsrr->stream = assoc->encode;
     bsrr->print = assoc->print;
     bsrr->step_size = res->stepSize;
+    bsrr->setname = yaz_oi_get_string_oid(&req->otherInfo, 
+                                          yaz_oid_userinfo_scan_set, 1, 0);
     bsrr->entries = 0;
     /* For YAZ 2.0 and earlier it was the backend handler that
        initialized entries (member display_term did not exist)
@@ -2974,8 +3024,9 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     if (bsrr->num_entries > 0) 
     {
         int i;
-        bsrr->entries = odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
-                                   bsrr->num_entries);
+        bsrr->entries = (struct scan_entry *)
+            odr_malloc(assoc->decode, sizeof(*bsrr->entries) *
+                       bsrr->num_entries);
         for (i = 0; i<bsrr->num_entries; i++)
         {
             bsrr->entries[i].term = 0;
@@ -2987,12 +3038,7 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     }
     save_entries = bsrr->entries;  /* save it so we can compare later */
 
-    if (req->attributeSet &&
-        (attset = oid_getentbyoid(req->attributeSet)) &&
-        (attset->oclass == CLASS_ATTSET || attset->oclass == CLASS_GENERAL))
-        bsrr->attributeset = attset->value;
-    else
-        bsrr->attributeset = VAL_NONE;
+    bsrr->attributeset = req->attributeSet;
     log_scan_term_level (log_requestdetail, req->termListAndStartPoint, 
             bsrr->attributeset);
     bsrr->term_position = req->preferredPositionInResponse ?
@@ -3079,33 +3125,37 @@ static Z_APDU *process_scanRequest(association *assoc, request *reqb, int *fd)
     {
         int i;
         WRBUF wr = wrbuf_alloc();
-
-        for (i = 0 ; i < req->num_databaseNames; i++){
+        wrbuf_printf(wr, "Scan ");
+        for (i = 0 ; i < req->num_databaseNames; i++)
+        {
             if (i)
-                wrbuf_printf(wr, ",");
+                wrbuf_printf(wr, "+");
             wrbuf_printf(wr, req->databaseNames[i]);
         }
+
         wrbuf_printf(wr, " ");
         
         if (bsrr->errcode)
             wr_diag(wr, bsrr->errcode, bsrr->errstring);
-        else if (*res->scanStatus == Z_Scan_success)
-            wrbuf_printf(wr, "OK - ");
         else
-            wrbuf_printf(wr, "Partial - ");
+            wrbuf_printf(wr, "OK"); 
 
-        wrbuf_printf(wr, "%d+%d %d ",
+        wrbuf_printf(wr, " %d - %d+%d+%d",
+                     res->numberOfEntriesReturned ?
+                     *res->numberOfEntriesReturned : 0,
                      (req->preferredPositionInResponse ?
                       *req->preferredPositionInResponse : 1),
                      *req->numberOfTermsRequested,
                      (res->stepSize ? *res->stepSize : 1));
-        /* TODO - make this print out RPN: or CQL: in the beginning!! */
-        /* maybe wrbuf_printf(wr, "%s: %s ", querytype, querystr); 
-           see line 1415 */
+        
+        if (bsrr->setname)
+            wrbuf_printf(wr, "+%s", bsrr->setname);
+
+        wrbuf_printf(wr, " ");
         yaz_scan_to_wrbuf(wr, req->termListAndStartPoint, 
                           bsrr->attributeset);
-        yaz_log(log_request, "Scan %s", wrbuf_buf(wr) );
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s", wrbuf_cstr(wr) );
+        wrbuf_destroy(wr);
     }
     return apdu;
 }
@@ -3176,13 +3226,13 @@ static Z_APDU *process_sortRequest(association *assoc, request *reqb,
         for (i = 0; i<req->num_inputResultSetNames; i++)
         {
             if (i)
-                wrbuf_printf(wr, ",");
+                wrbuf_printf(wr, "+");
             wrbuf_printf(wr, req->inputResultSetNames[i]);
         }
         wrbuf_printf(wr, ")->%s ",req->sortedResultSetName);
 
-        yaz_log(log_request, "%s", wrbuf_buf(wr) );
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s", wrbuf_cstr(wr) );
+        wrbuf_destroy(wr);
     }
     return apdu;
 }
@@ -3265,8 +3315,8 @@ static Z_APDU *process_deleteRequest(association *assoc, request *reqb,
             wrbuf_printf(wr, "OK -");
         for (i = 0; i<req->num_resultSetList; i++)
             wrbuf_printf(wr, " %s ", req->resultSetList[i]);
-        yaz_log(log_request, "%s", wrbuf_buf(wr) );
-        wrbuf_free(wr, 1);
+        yaz_log(log_request, "%s", wrbuf_cstr(wr) );
+        wrbuf_destroy(wr);
     }
     return apdu;
 }
@@ -3452,20 +3502,32 @@ static Z_APDU *process_ESRequest(association *assoc, request *reqb, int *fd)
         {
             WRBUF wr = wrbuf_alloc();
             wrbuf_diags(wr, resp->num_diagnostics, resp->diagnostics);
-            yaz_log(log_request, "EsRequest %s", wrbuf_buf(wr) );
-            wrbuf_free(wr, 1);
+            yaz_log(log_request, "EsRequest %s", wrbuf_cstr(wr) );
+            wrbuf_destroy(wr);
         }
 
     }
     /* 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);
+    {
+        resp->taskPackage = z_ext_record_oid(
+            assoc->encode, yaz_oid_recsyn_extended,
+            (const char *)  esrequest.taskPackage, -1
+            );
+    }
     yaz_log(YLOG_DEBUG,"Send the result apdu");
     return apdu;
 }
 
+int bend_assoc_is_alive(bend_association assoc)
+{
+    if (assoc->state == ASSOC_DEAD)
+        return 0; /* already marked as dead. Don't check I/O chan anymore */
+
+    return iochan_is_alive(assoc->client_chan);
+}
+
+
 /*
  * Local variables:
  * c-basic-offset: 4