- if (assoc->init && assoc->init->bend_explain)
- {
- bend_explain_rr rr;
-
- rr.stream = assoc->encode;
- rr.decode = assoc->decode;
- rr.print = assoc->print;
- rr.explain_buf = 0;
- rr.database = srw_req->database;
- rr.schema = "http://explain.z3950.org/dtd/2.0/";
- (*assoc->init->bend_explain)(assoc->backend, &rr);
- if (rr.explain_buf)
- {
- int packing = Z_SRW_recordPacking_string;
- if (srw_req->recordPacking &&
- !strcmp(srw_req->recordPacking, "xml"))
- packing = Z_SRW_recordPacking_XML;
- srw_res->record.recordSchema = rr.schema;
- srw_res->record.recordPacking = packing;
- srw_res->record.recordData_buf = rr.explain_buf;
- srw_res->record.recordData_len = strlen(rr.explain_buf);
- srw_res->record.recordPosition = 0;
- *http_code = 200;
- }
+ if (assoc->init)
+ {
+ bend_explain_rr rr;
+
+ rr.stream = assoc->encode;
+ rr.decode = assoc->decode;
+ rr.print = assoc->print;
+ rr.explain_buf = 0;
+ rr.database = srw_req->database;
+ rr.server_node_ptr = assoc->server_node_ptr;
+ rr.schema = "http://explain.z3950.org/dtd/2.0/";
+ if (assoc->init->bend_explain)
+ (*assoc->init->bend_explain)(assoc->backend, &rr);
+ else
+ srw_bend_explain_default(assoc->backend, &rr);
+
+ if (rr.explain_buf)
+ {
+ int packing = Z_SRW_recordPacking_string;
+ if (srw_req->recordPacking &&
+ !strcmp(srw_req->recordPacking, "xml"))
+ packing = Z_SRW_recordPacking_XML;
+ srw_res->record.recordSchema = rr.schema;
+ srw_res->record.recordPacking = packing;
+ srw_res->record.recordData_buf = rr.explain_buf;
+ srw_res->record.recordData_len = strlen(rr.explain_buf);
+ srw_res->record.recordPosition = 0;
+ *http_code = 200;
+ }