/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
+ * Copyright (c) 1995, Index Data
+ * See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: seshigh.c,v $
- * Revision 1.23 1995-05-15 13:25:10 quinn
+ * Revision 1.31 1995-06-06 08:15:37 quinn
+ * Cosmetic.
+ *
+ * Revision 1.30 1995/06/05 10:53:32 quinn
+ * Added a better SCAN.
+ *
+ * Revision 1.29 1995/06/01 11:25:03 quinn
+ * Smallish.
+ *
+ * Revision 1.28 1995/06/01 11:21:01 quinn
+ * Attempting to fix a bug in pack-records. replaced break with continue
+ * for large records, according to standard.
+ *
+ * Revision 1.27 1995/05/29 08:12:06 quinn
+ * Moved oid to util
+ *
+ * Revision 1.26 1995/05/18 13:02:12 quinn
+ * Smallish.
+ *
+ * Revision 1.25 1995/05/17 08:42:26 quinn
+ * Transfer auth info to backend. Allow backend to reject init gracefully.
+ *
+ * Revision 1.24 1995/05/16 08:51:04 quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.23 1995/05/15 13:25:10 quinn
* Fixed memory bug.
*
* Revision 1.22 1995/05/15 11:56:39 quinn
#include <oid.h>
#include <log.h>
#include <statserv.h>
+#include "../version.h"
#include <backend.h>
char filename[256];
FILE *f;
+ strcpy(filename, control_block->apdufile);
if (!(new->print = odr_createmem(ODR_PRINT)))
return 0;
if (*control_block->apdufile != '-')
new->input_buffer = 0;
new->input_buffer_len = 0;
new->backend = 0;
+ new->rejected = 0;
request_initq(&new->incoming);
request_initq(&new->outgoing);
- if (cs_getproto(link) == CS_Z3950)
- new->proto = PROTO_Z3950;
- else
- new->proto = PROTO_SR;
+ new->proto = cs_getproto(link);
return new;
}
{
logf(LOG_DEBUG, "ir_session (input)");
assert(assoc && conn);
+ /* We aren't speaking to this fellow */
+ if (assoc->rejected)
+ {
+ logf(LOG_LOG, "Closed connection after reject");
+ cs_close(conn);
+ destroy_association(assoc);
+ iochan_destroy(h);
+ return;
+ }
if ((res = cs_get(conn, &assoc->input_buffer,
&assoc->input_buffer_len)) <= 0)
{
iochan_setevent(h, EVENT_INPUT);
/* we got a complete PDU. Let's decode it */
+ logf(LOG_DEBUG, "Got PDU, %d bytes", res);
req = request_get(); /* get a new request structure */
odr_reset(assoc->decode);
odr_setbuf(assoc->decode, assoc->input_buffer, res, 0);
iochan_destroy(h);
break;
case 0: /* all sent - release the request structure */
+ logf(LOG_DEBUG, "Wrote PDU, %d bytes", req->len_response);
odr_release_mem(req->request_mem);
request_deq(&assoc->outgoing);
request_release(req);
case Z_APDU_scanRequest:
res = process_scanRequest(assoc, req, &fd); break;
default:
- logf(LOG_WARN, "Bad APDU");
+ logf(LOG_WARN, "Bad APDU received");
return -1;
}
if (res)
}
req->response = odr_getbuf(assoc->encode, &req->len_response,
&req->size_response);
+ odr_setbuf(assoc->encode, 0, 0, 0); /* don't free if we abort later */
odr_reset(assoc->encode);
+ if (assoc->print && !z_APDU(assoc->print, &res, 0))
+ {
+ logf(LOG_WARN, "ODR print error: %s",
+ odr_errlist[odr_geterror(assoc->print)]);
+ odr_reset(assoc->print);
+ }
/* change this when we make the backend reentrant */
assert(req == request_head(&assoc->incoming));
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);
- /* Is there more work to be done? */
+ /* Is there more work to be done? give that to the input handler too */
if (request_head(&assoc->incoming))
iochan_setevent(assoc->client_chan, EVENT_WORK);
return 0;
}
+/*
+ * Handle init request.
+ * At the moment, we don't check the protocol version or the options
+ * anywhere else in the code - we just try not to do anything that would
+ * break a naive client. We'll toss 'em into the association block when
+ * we need them there.
+ */
static Z_APDU *process_initRequest(association *assoc, request *reqb)
{
Z_InitRequest *req = reqb->request->u.initRequest;
- static Z_APDU apdu;
- static Z_InitResponse resp;
- static bool_t result = 1;
- static Odr_bitmask options, protocolVersion;
+ Z_APDU *apdu = zget_APDU(assoc->encode, Z_APDU_initResponse);
+ Z_InitResponse *resp = apdu->u.initResponse;
bend_initrequest binitreq;
bend_initresult *binitres;
logf(LOG_LOG, "Version: %s", req->implementationVersion);
binitreq.configname = "default-config";
- if (!(binitres = bend_init(&binitreq)) || binitres->errcode)
+ binitreq.auth = req->idAuthentication;
+ if (!(binitres = bend_init(&binitreq)))
{
- logf(LOG_WARN, "Negative response from backend");
+ logf(LOG_WARN, "Bad response from backend.");
return 0;
}
assoc->backend = binitres->handle;
- apdu.which = Z_APDU_initResponse;
- apdu.u.initResponse = &resp;
- resp.referenceId = req->referenceId;
+ resp->referenceId = req->referenceId;
/* let's tell the client what we can do */
- ODR_MASK_ZERO(&options);
if (ODR_MASK_GET(req->options, Z_Options_search))
- ODR_MASK_SET(&options, Z_Options_search);
+ ODR_MASK_SET(resp->options, Z_Options_search);
if (ODR_MASK_GET(req->options, Z_Options_present))
- ODR_MASK_SET(&options, Z_Options_present);
+ ODR_MASK_SET(resp->options, Z_Options_present);
#if 0
if (ODR_MASK_GET(req->options, Z_Options_delSet))
ODR_MASK_SET(&options, Z_Options_delSet);
#endif
if (ODR_MASK_GET(req->options, Z_Options_namedResultSets))
- ODR_MASK_SET(&options, Z_Options_namedResultSets);
+ ODR_MASK_SET(resp->options, Z_Options_namedResultSets);
if (ODR_MASK_GET(req->options, Z_Options_scan))
- ODR_MASK_SET(&options, Z_Options_scan);
+ ODR_MASK_SET(resp->options, Z_Options_scan);
if (ODR_MASK_GET(req->options, Z_Options_concurrentOperations))
- ODR_MASK_SET(&options, Z_Options_concurrentOperations);
- resp.options = &options;
+ ODR_MASK_SET(resp->options, Z_Options_concurrentOperations);
- ODR_MASK_ZERO(&protocolVersion);
if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_1))
- ODR_MASK_SET(&protocolVersion, Z_ProtocolVersion_1);
+ ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_1);
if (ODR_MASK_GET(req->protocolVersion, Z_ProtocolVersion_2))
- ODR_MASK_SET(&protocolVersion, Z_ProtocolVersion_2);
- resp.protocolVersion = &protocolVersion;
+ ODR_MASK_SET(resp->protocolVersion, Z_ProtocolVersion_2);
assoc->maximumRecordSize = *req->maximumRecordSize;
if (assoc->maximumRecordSize > control_block->maxrecordsize)
assoc->maximumRecordSize = control_block->maxrecordsize;
assoc->preferredMessageSize = *req->preferredMessageSize;
if (assoc->preferredMessageSize > assoc->maximumRecordSize)
assoc->preferredMessageSize = assoc->maximumRecordSize;
- resp.preferredMessageSize = &assoc->preferredMessageSize;
- resp.maximumRecordSize = &assoc->maximumRecordSize;
- resp.result = &result;
- resp.implementationId = "YAZ";
- resp.implementationName = "Index Data/YAZ Generic Frontend Server";
- resp.implementationVersion = "$Revision: 1.23 $";
- resp.userInformationField = 0;
- return &apdu;
+ resp->preferredMessageSize = &assoc->preferredMessageSize;
+ resp->maximumRecordSize = &assoc->maximumRecordSize;
+ resp->implementationName = "Index Data/YAZ Generic Frontend Server";
+ if (binitres->errcode)
+ {
+ logf(LOG_LOG, "Connection rejected by backend.");
+ *resp->result = 0;
+ assoc->rejected = 1;
+ }
+ return apdu;
}
+/*
+ * These functions should be merged.
+ */
+
+/*
+ * nonsurrogate diagnostic record.
+ */
static Z_Records *diagrec(oid_proto proto, int error, char *addinfo)
{
static Z_Records rec;
return &rec;
}
+/*
+ * surrogate diagnostic.
+ */
static Z_NamePlusRecord *surrogatediagrec(oid_proto proto, char *dbname,
int error, char *addinfo)
{
return &rec;
}
+/*
+ * multiple nonsurrogate diagnostics.
+ */
static Z_DiagRecs *diagrecs(oid_proto proto, int error, char *addinfo)
{
static Z_DiagRecs recs;
reclist.records[reclist.num_records] =
surrogatediagrec(a->proto, fres->basename, 16, 0);
reclist.num_records++;
- *pres = Z_PRES_PARTIAL_2;
- break;
+ total_length += 10; /* totally arbitrary */
+ continue;
}
}
else /* too big entirely */
reclist.records[reclist.num_records] =
surrogatediagrec(a->proto, fres->basename, 17, 0);
reclist.num_records++;
- *pres = Z_PRES_PARTIAL_2;
- break;
+ total_length += 10; /* totally arbitrary */
+ continue;
}
}
if (!(thisrec = odr_malloc(a->encode, sizeof(*thisrec))))
reclist.records[reclist.num_records] = thisrec;
reclist.num_records++;
total_length += fres->len;
- (*num)++;
*next = fres->last_in_set ? 0 : recno + 1;
}
+ *num = reclist.num_records;
return &records;
}
bend_scanrequest srq;
bend_scanresult *srs;
+ logf(LOG_LOG, "Got scanrequest");
apdu.which = Z_APDU_scanResponse;
apdu.u.scanResponse = &res;
res.referenceId = req->referenceId;
srq.term = req->termListAndStartPoint;
srq.term_position = req->preferredPositionInResponse ?
*req->preferredPositionInResponse : 1;
+ if (req->termListAndStartPoint->term->which == Z_Term_general)
+ logf(LOG_DEBUG, " term: %.*s",
+ req->termListAndStartPoint->term->u.general->len,
+ req->termListAndStartPoint->term->u.general->buf);
if (!(srs = bend_scan(assoc->backend, &srq, 0)))
ents.u.nonSurrogateDiagnostics = diagrecs(assoc->proto, 2, 0);
else if (srs->errcode)
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