+++ /dev/null
-/*
- * Copyright (C) 1995-2003, Index Data
- * See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: session.h,v 1.29 2003-02-17 21:23:31 adam Exp $
- */
-
-#ifndef SESSION_H
-#define SESSION_H
-
-#include <sys/types.h>
-#include <yaz/comstack.h>
-#include <yaz/odr.h>
-#include <yaz/oid.h>
-#include <yaz/proto.h>
-#include "eventl.h"
-
-typedef enum {
- REQUEST_IDLE, /* the request is just sitting in the queue */
- REQUEST_PENDING /* operation pending (b'end processing or network I/O*/
- /* this list will have more elements when acc/res control is added */
-} request_state;
-
-typedef struct request
-{
- int len_refid; /* length of referenceid */
- char *refid; /* referenceid */
- request_state state;
-
- Z_GDU *gdu_request; /* Current request */
- Z_APDU *apdu_request; /* Current Z39.50 request */
- NMEM request_mem; /* memory handle for request */
-
- int size_response; /* size of buffer */
- int len_response; /* length of encoded data */
- char *response; /* encoded data waiting for transmission */
-
- void *clientData;
- struct request *next;
- struct request_q *q;
-} request;
-
-typedef struct request_q
-{
- request *head;
- request *tail;
- request *list;
- int num;
-} request_q;
-
-/*
- * association state.
- */
-typedef enum
-{
- ASSOC_NEW, /* not initialized yet */
- ASSOC_UP, /* normal operation */
- ASSOC_DEAD /* dead. Close if input arrives */
-} association_state;
-
-typedef struct association
-{
- IOCHAN client_chan; /* event-loop control */
- COMSTACK client_link; /* communication handle */
- ODR decode; /* decoding stream */
- ODR encode; /* encoding stream */
- ODR print; /* printing stream (for -a) */
- char *encode_buffer; /* temporary buffer for encoded data */
- int encoded_len; /* length of encoded data */
- char *input_buffer; /* input buffer (allocated by comstack) */
- int input_buffer_len; /* length (size) of buffer */
- int input_apdu_len; /* length of current incoming APDU */
- oid_proto proto; /* protocol (PROTO_Z3950/PROTO_SR) */
- void *backend; /* backend handle */
- request_q incoming; /* Q of incoming PDUs */
- request_q outgoing; /* Q of outgoing data buffers (enc. PDUs) */
- association_state state;
-
- /* session parameters */
- int preferredMessageSize;
- int maximumRecordSize;
- int version; /* highest version-bit set (2 or 3) */
-
- unsigned cs_get_mask;
- unsigned cs_put_mask;
- unsigned cs_accept_mask;
-
- struct bend_initrequest *init;
-} association;
-
-association *create_association(IOCHAN channel, COMSTACK link);
-void destroy_association(association *h);
-void ir_session(IOCHAN h, int event);
-
-void request_enq(request_q *q, request *r);
-request *request_head(request_q *q);
-request *request_deq(request_q *q);
-request *request_deq_x(request_q *q, request *r);
-void request_initq(request_q *q);
-void request_delq(request_q *q);
-request *request_get(request_q *q);
-void request_release(request *r);
-
-int statserv_must_terminate(void);
-
-#endif