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/*
* $Author: cck $ $Date: 88/04/30 09:05:09 $
* $Header: abatp.h,v 1.9 88/04/30 09:05:09 cck Rel $
* $Revision: 1.9 $
*/
/*
* abatp.c - Appletalk Transaction Protocol header file (internal only)
*
* AppleTalk package for UNIX (4.2 BSD).
*
* Copyright (c) 1986, 1987 by The Trustees of Columbia University in the
* City of New York.
*
* Edit History:
*
* June 30, 1986 CCKim Created
*
*/
#define atpheaderlength (atpSize+lapSize+ddpSize)
#define atpCodeMask 0xc0 /* to get controls */
#define atpReqCode 0x40
#define atpRspCode 0x80
#define atpRelCode 0xC0
#define atpXO 0x20
#define atpEOM 0x10
#define atpSTS 0x08
#define atpSendChk 0x01
#define atpTIDValid 0x02
#define atpFlagMask 0x3F
#define atpControlMask 0xF8
typedef struct {
byte lapddp[lapSize+ddpSize];
ATP atp;
} ATPpkt;
typedef struct TCB {
QElem link;
ATP atp; /* atp header */
int skt; /* local side socket */
int (*callback)();
u_long cbarg; /* call back argument */
ABusRecord *abr;
} TCB;
#define NUMTCB ddpMaxSkt /* max connections */
/*
* Request Control Block
*
*/
typedef struct {
QElem link; /* point to queue header */
int atpsocket; /* socket request went out on */
ABusRecord *abr; /* ABusRecords */
int (*callback)();
u_long cbarg; /* call back argument */
} RqCB;
#define NUMRqCB 3 /* should suffice */
/*
* Response Control Block
*
* Note: we don't need to copy the reponse data because the sndresponse
* routines will not complete until the rel packet is received or
* we get rscb timeout. Thus, the user MUST NOT reuse the buffers until
* the given routine completes!
*
*/
typedef struct {
QElem link; /* point to queue header */
struct timeval ctime; /* time created */
int atpsocket; /* socket of rsp */
int atpTransID; /* requesting transaction id */
AddrBlock atpAddress; /* address of remote */
ABusRecord *abr; /* pointer to abus record */
int (*callback)();
u_long cbarg; /* call back argument */
} RspCB;
#define NUMRspCB 20
#define RESPONSE_CACHE_TIMEOUT 4*30 /* timeout is 30 seconds */
typedef struct {
int inuse; /* zero if not */
int skt;
AddrBlock addr; /* filter */
int usecount; /* times in use */
} AtpSkt;
#define NUMATPSKT 5 /* up to 5 responding circuits */
private RspCB *find_rspcb();
private RspCB *find_rspcb_abr();
private RspCB *create_rspcb();
private RspCB *find_rspcb_skt();
private int delete_rspcb();
private TCB *create_tcb();
private delete_tcb();
private TCB *find_tcb();
private TCB *find_tcb_abr();
private RqCB *create_rqcb();
private RqCB *find_rqcb();
private delete_rqcb();
private AtpSkt *create_atpskt();
private AtpSkt *find_atpskt();
private int delete_atpskt();
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.