HP-UX Reference (11i v2 03/08) - 3 Library Functions N-Z (vol 7)

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rpc(3N) rpc(3N)
The SVCXPRT Structure
enum xprt_stat {
XPRT_DIED,
XPRT_MOREREQS,
XPRT_IDLE
};
/*
* Server side transport handle
*/
typedef struct {
int%xp_fd; /* file descriptor for the
server handle */
u_short xp_port; /* obsolete */
struct xp_ops {
bool_t (*xp_recv)(); /* receive incoming requests */
enum xprt_stat (*xp_stat)(); /* get transport status */
bool_t (*xp_getargs)(); /* get arguments */
bool_t (*xp_reply)(); /* send reply */
bool_t (*xp_freeargs)(); /* free mem allocated
for args */
void (*xp_destroy)(); /* destroy this struct */
} *xp_ops;
int xp_addrlen; /* length of remote addr.
Obsolete */
char *xp_tp; /* transport provider device
name */
char *xp_netid; /* network identifier */
struct netbuf xp_ltaddr; /* local transport address */
struct netbuf xp_rtaddr; /* remote transport address */
char xp_raddr[16]; /* remote address. Obsolete */
struct opaque_auth xp_verf; /* raw response verifier */
caddr_t xp_p1; /* private: for use
by svc ops */
caddr_t xp_p2; /* private: for use
by svc ops */
caddr_t xp_p3; /* private: for use
by svc lib */
int xp_type /* transport type */
} SVCXPRT;
The svc_reg Structure
struct svc_req {
u_long rq_prog; /* service program number */
u_long rq_vers; /* service protocol version */
u_long rq_proc; /* the desired procedure */
struct opaque_auth rq_cred; /* raw creds from the wire */
caddr_t rq_clntcred; /* read only cooked cred */
SVCXPRT *rq_xprt; /* associated transport */
};
The XDR Structure
/*
* XDR operations.
* XDR_ENCODE causes the type to be encoded into the stream.
* XDR_DECODE causes the type to be extracted from the stream.
* XDR_FREE can be used to release the space allocated by an XDR_DECODE
* request.
*/
enum xdr_op {
XDR_ENCODE=0,
XDR_DECODE=1,
XDR_FREE=2
Section 3−−878 Hewlett-Packard Company − 3 − HP-UX 11i Version 2: August 2003