* OF THIS SOFTWARE.
*
* $Log: backend.h,v $
- * Revision 1.17 1998-01-29 13:15:35 adam
+ * Revision 1.23 1998-10-13 16:12:23 adam
+ * Added support for Surrogate Diagnostics for Scan Term entries.
+ *
+ * Revision 1.22 1998/09/02 12:41:51 adam
+ * Added decode stream in bend search structures.
+ *
+ * Revision 1.21 1998/07/20 12:38:41 adam
+ * Implemented delete result set service to server API.
+ *
+ * Revision 1.20 1998/05/27 16:57:06 adam
+ * Support for surrogate diagnostic records added for bend_fetch.
+ *
+ * Revision 1.19 1998/03/31 11:07:45 adam
+ * Furhter work on UNIverse resource report.
+ * Added Extended Services handling in frontend server.
+ *
+ * Revision 1.18 1998/02/10 11:03:56 adam
+ * Added support for extended handlers in backend server interface.
+ *
+ * Revision 1.17 1998/01/29 13:15:35 adam
* Implemented sort for the backend interface.
*
* Revision 1.16 1997/09/17 12:10:31 adam
#ifdef __cplusplus
extern "C" {
#endif
+
+typedef struct request *bend_request;
+typedef struct association *bend_association;
-
-typedef struct bend_searchrequest
+/* old search request input */
+typedef struct
{
char *setname; /* name to give to this set */
int replace_set; /* replace set, if it already exists */
char **basenames; /* databases to search */
Z_Query *query; /* query structure */
ODR stream; /* encoding stream */
+ ODR decode; /* decoding stream */
} bend_searchrequest;
-typedef struct bend_searchresult
+/* old search request output */
+typedef struct
{
int hits; /* number of hits */
int errcode; /* 0==OK */
char *errstring; /* system error string or NULL */
} bend_searchresult;
+/* extended search handler (rr = request response) */
+typedef struct {
+ char *setname; /* name to give to this set */
+ int replace_set; /* replace set, if it already exists */
+ int num_bases; /* number of databases in list */
+ char **basenames; /* databases to search */
+ Z_Query *query; /* query structure */
+ ODR stream; /* encode stream */
+ ODR decode; /* decode stream */
+
+ bend_request request;
+ bend_association association;
+ int *fd;
+ int hits; /* number of hits */
+ int errcode; /* 0==OK */
+ char *errstring; /* system error string or NULL */
+} bend_search_rr;
+
+/* extended present handler. Does not replace bend_fetch. */
+typedef struct {
+ char *setname; /* set name */
+ int start;
+ int number; /* record number */
+ oid_value format; /* One of the CLASS_RECSYN members */
+ Z_RecordComposition *comp; /* Formatting instructions */
+ ODR stream; /* encoding stream - memory source if required */
+ bend_request request;
+ bend_association association;
+
+ int hits; /* number of hits */
+ int errcode; /* 0==OK */
+ char *errstring; /* system error string or NULL */
+} bend_present_rr;
+
YAZ_EXPORT bend_searchresult *bend_search(void *handle, bend_searchrequest *r,
int *fd);
-YAZ_EXPORT bend_searchresult *bend_searchresponse(void *handle);
+YAZ_EXPORT int bend_searchresponse(void *handle, bend_search_rr *bsrr);
-typedef struct bend_fetchrequest
+typedef struct
{
char *setname; /* set name */
int number; /* record number */
oid_value format; /* One of the CLASS_RECSYN members */
Z_RecordComposition *comp; /* Formatting instructions */
- ODR stream; /* encoding stream - memory source if required */
+ ODR stream; /* encoding stream - memory source if req */
+ int surrogate_flag; /* surrogate diagnostic flag (rw) */
} bend_fetchrequest;
-typedef struct bend_fetchresult
+typedef struct
{
char *basename; /* name of database that provided record */
int len; /* length of record or -1 if structured */
int *fd);
YAZ_EXPORT bend_fetchresult *bend_fetchresponse(void *handle);
-typedef struct bend_scanrequest
+typedef struct
{
int num_bases; /* number of elements in databaselist */
char **basenames; /* databases to search */
} bend_scanrequest;
struct scan_entry {
- char *term;
- int occurrences;
+ char *term; /* the returned scan term */
+ int occurrences; /* no of occurrences or -1 if error (see below) */
+ int errcode; /* Bib-1 diagnostic code; only used when occur.= -1 */
+ char *errstring; /* Additional string */
};
typedef enum {
int *fd);
YAZ_EXPORT bend_scanresult *bend_scanresponse(void *handle);
-typedef struct bend_deleterequest
-{
- char *setname;
-} bend_deleterequest;
-
-typedef struct bend_deleteresult
-{
- int errcode; /* 0==success */
- char *errstring; /* system error string or NULL */
-} bend_deleteresult;
-
-YAZ_EXPORT bend_deleteresult *bend_delete(void *handle,
- bend_deleterequest *r, int *fd);
-YAZ_EXPORT bend_deleteresult *bend_deleteresponse(void *handle);
+/* delete handler */
+typedef struct bend_delete_rr {
+ int function;
+ int num_setnames;
+ char **setnames;
+ int delete_status;
+ ODR stream;
+} bend_delete_rr;
+/* close handler */
YAZ_EXPORT void bend_close(void *handle);
-typedef struct bend_sortrequest
+/* sort handler */
+typedef struct bend_sort_rr
{
int num_input_setnames;
char **input_setnames;
char *output_setname;
Z_SortKeySpecList *sort_sequence;
ODR stream;
-} bend_sortrequest;
-typedef struct bend_sortresult
-{
int sort_status;
int errcode;
char *errstring;
-} bend_sortresult;
+} bend_sort_rr;
+
+/* extended services handler. Added in from DALI */
+typedef struct bend_esrequest_rr
+{
+ int ItemNo;
+ Z_ExtendedServicesRequest *esr;
+ ODR stream; /* encoding stream */
+ bend_request request;
+ bend_association association;
+ int errcode; /* 0==success */
+ char *errstring; /* system error string or NULL */
+} bend_esrequest_rr;
typedef struct bend_initrequest
{
Z_IdAuthentication *auth;
ODR stream; /* encoding stream */
- int (*bend_sort) (void *handle, bend_sortrequest *req,
- bend_sortresult *res);
+ int (*bend_sort) (void *handle, bend_sort_rr *rr);
+ int (*bend_search) (void *handle, bend_search_rr *rr);
+ int (*bend_present) (void *handle, bend_present_rr *rr);
+ int (*bend_esrequest) (void *handle, bend_esrequest_rr *rr);
+ int (*bend_delete)(void *handle, bend_delete_rr *rr);
} bend_initrequest;
typedef struct bend_initresult
void *handle; /* private handle to the backend module */
} bend_initresult;
-YAZ_EXPORT bend_initresult MDF *bend_init(bend_initrequest *r);
+YAZ_EXPORT bend_initresult *bend_init(bend_initrequest *r);
+
+YAZ_EXPORT void bend_request_send (bend_association a, bend_request req,
+ Z_APDU *res);
+
+YAZ_EXPORT bend_request bend_request_mk (bend_association a);
+
+YAZ_EXPORT void bend_request_destroy (bend_request *req);
+
+YAZ_EXPORT Z_ReferenceId *bend_request_getid (ODR odr, bend_request req);
+YAZ_EXPORT int bend_backend_respond (bend_association a, bend_request req);
+YAZ_EXPORT void bend_request_setdata(bend_request r, void *p);
+YAZ_EXPORT void *bend_request_getdata(bend_request r);
#ifdef __cplusplus
}