Fix sample PQF

[yaz-moved-to-github.git] / server / session.h

diff --git a/server/session.h b/server/session.h
index cd7c2a3..4254cd2 100644 (file)
--- a/server/session.h
+++ b/server/session.h
@@ -1,43 +1,107 @@
 /*
- * Copyright (C) 1994, Index Data I/S 
- * All rights reserved.
+ * Copyright (C) 1995-2003, Index Data
+ * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
- * $Log: session.h,v $
- * Revision 1.1  1995-03-14 10:28:02  quinn
- * More work on demo server.
- *
- *
+ * $Id: session.h,v 1.29 2003-02-17 21:23:31 adam Exp $
  */
 
 #ifndef SESSION_H
 #define SESSION_H
 
-#include <comstack.h>
-#include <odr.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
 {
-    /* comms-related handles */
-    IOCHAN client_chan;
-    COMSTACK client_link;
-    ODR decode;
-    ODR encode;
-    char *encode_buffer;
-    int encoded_len;
-    char *input_buffer;
-    int input_buffer_len;
-    int input_apdu_len;
-    int state;
-#define ASSOC_UNINIT       0
-#define ASSOC_IDLE         1
+    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