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/* $NetBSD: svc.h,v 1.17 2000/06/02 22:57:56 fvdl Exp $ */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*
* from: @(#)svc.h 1.35 88/12/17 SMI
* from: @(#)svc.h 1.27 94/04/25 SMI
* $FreeBSD: release/9.1.0/sys/rpc/svc.h 193436 2009-06-04 14:13:06Z rmacklem $
*/
/*
* svc.h, Server-side remote procedure call interface.
*
* Copyright (C) 1986-1993 by Sun Microsystems, Inc.
*/
#ifndef _RPC_SVC_H
#define _RPC_SVC_H
#include <sys/cdefs.h>
#ifdef _KERNEL
#include <sys/queue.h>
#include <sys/_lock.h>
#include <sys/_mutex.h>
#include <sys/_sx.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#endif
/*
* This interface must manage two items concerning remote procedure calling:
*
* 1) An arbitrary number of transport connections upon which rpc requests
* are received. The two most notable transports are TCP and UDP; they are
* created and registered by routines in svc_tcp.c and svc_udp.c, respectively;
* they in turn call xprt_register and xprt_unregister.
*
* 2) An arbitrary number of locally registered services. Services are
* described by the following four data: program number, version number,
* "service dispatch" function, a transport handle, and a boolean that
* indicates whether or not the exported program should be registered with a
* local binder service; if true the program's number and version and the
* port number from the transport handle are registered with the binder.
* These data are registered with the rpc svc system via svc_register.
*
* A service's dispatch function is called whenever an rpc request comes in
* on a transport. The request's program and version numbers must match
* those of the registered service. The dispatch function is passed two
* parameters, struct svc_req * and SVCXPRT *, defined below.
*/
/*
* Service control requests
*/
#define SVCGET_VERSQUIET 1
#define SVCSET_VERSQUIET 2
#define SVCGET_CONNMAXREC 3
#define SVCSET_CONNMAXREC 4
/*
* Operations for rpc_control().
*/
#define RPC_SVC_CONNMAXREC_SET 0 /* set max rec size, enable nonblock */
#define RPC_SVC_CONNMAXREC_GET 1
enum xprt_stat {
XPRT_DIED,
XPRT_MOREREQS,
XPRT_IDLE
};
struct __rpc_svcxprt;
struct mbuf;
struct xp_ops {
#ifdef _KERNEL
/* receive incoming requests */
bool_t (*xp_recv)(struct __rpc_svcxprt *, struct rpc_msg *,
struct sockaddr **, struct mbuf **);
/* get transport status */
enum xprt_stat (*xp_stat)(struct __rpc_svcxprt *);
/* send reply */
bool_t (*xp_reply)(struct __rpc_svcxprt *, struct rpc_msg *,
struct sockaddr *, struct mbuf *);
/* destroy this struct */
void (*xp_destroy)(struct __rpc_svcxprt *);
/* catch-all function */
bool_t (*xp_control)(struct __rpc_svcxprt *, const u_int, void *);
#else
/* receive incoming requests */
bool_t (*xp_recv)(struct __rpc_svcxprt *, struct rpc_msg *);
/* get transport status */
enum xprt_stat (*xp_stat)(struct __rpc_svcxprt *);
/* get arguments */
bool_t (*xp_getargs)(struct __rpc_svcxprt *, xdrproc_t, void *);
/* send reply */
bool_t (*xp_reply)(struct __rpc_svcxprt *, struct rpc_msg *);
/* free mem allocated for args */
bool_t (*xp_freeargs)(struct __rpc_svcxprt *, xdrproc_t, void *);
/* destroy this struct */
void (*xp_destroy)(struct __rpc_svcxprt *);
#endif
};
#ifndef _KERNEL
struct xp_ops2 {
/* catch-all function */
bool_t (*xp_control)(struct __rpc_svcxprt *, const u_int, void *);
};
#endif
#ifdef _KERNEL
struct __rpc_svcpool;
struct __rpc_svcthread;
#endif
/*
* Server side transport handle. In the kernel, transports have a
* reference count which tracks the number of currently assigned
* worker threads plus one for the service pool's reference.
*/
typedef struct __rpc_svcxprt {
#ifdef _KERNEL
volatile u_int xp_refs;
struct sx xp_lock;
struct __rpc_svcpool *xp_pool; /* owning pool (see below) */
TAILQ_ENTRY(__rpc_svcxprt) xp_link;
TAILQ_ENTRY(__rpc_svcxprt) xp_alink;
bool_t xp_registered; /* xprt_register has been called */
bool_t xp_active; /* xprt_active has been called */
struct __rpc_svcthread *xp_thread; /* assigned service thread */
struct socket* xp_socket;
const struct xp_ops *xp_ops;
char *xp_netid; /* network token */
struct sockaddr_storage xp_ltaddr; /* local transport address */
struct sockaddr_storage xp_rtaddr; /* remote transport address */
void *xp_p1; /* private: for use by svc ops */
void *xp_p2; /* private: for use by svc ops */
void *xp_p3; /* private: for use by svc lib */
int xp_type; /* transport type */
int xp_idletimeout; /* idle time before closing */
time_t xp_lastactive; /* time of last RPC */
u_int64_t xp_sockref; /* set by nfsv4 to identify socket */
int xp_upcallset; /* socket upcall is set up */
#else
int xp_fd;
u_short xp_port; /* associated port number */
const struct xp_ops *xp_ops;
int xp_addrlen; /* length of remote address */
struct sockaddr_in xp_raddr; /* remote addr. (backward ABI compat) */
/* XXX - fvdl stick this here for ABI backward compat reasons */
const struct xp_ops2 *xp_ops2;
char *xp_tp; /* transport provider device name */
char *xp_netid; /* network token */
struct netbuf xp_ltaddr; /* local transport address */
struct netbuf xp_rtaddr; /* remote transport address */
struct opaque_auth xp_verf; /* raw response verifier */
void *xp_p1; /* private: for use by svc ops */
void *xp_p2; /* private: for use by svc ops */
void *xp_p3; /* private: for use by svc lib */
int xp_type; /* transport type */
#endif
} SVCXPRT;
/*
* Interface to server-side authentication flavors.
*/
typedef struct __rpc_svcauth {
struct svc_auth_ops {
#ifdef _KERNEL
int (*svc_ah_wrap)(struct __rpc_svcauth *, struct mbuf **);
int (*svc_ah_unwrap)(struct __rpc_svcauth *, struct mbuf **);
void (*svc_ah_release)(struct __rpc_svcauth *);
#else
int (*svc_ah_wrap)(struct __rpc_svcauth *, XDR *,
xdrproc_t, caddr_t);
int (*svc_ah_unwrap)(struct __rpc_svcauth *, XDR *,
xdrproc_t, caddr_t);
#endif
} *svc_ah_ops;
void *svc_ah_private;
} SVCAUTH;
/*
* Server transport extensions (accessed via xp_p3).
*/
typedef struct __rpc_svcxprt_ext {
int xp_flags; /* versquiet */
SVCAUTH xp_auth; /* interface to auth methods */
} SVCXPRT_EXT;
#ifdef _KERNEL
/*
* The services list
* Each entry represents a set of procedures (an rpc program).
* The dispatch routine takes request structs and runs the
* apropriate procedure.
*/
struct svc_callout {
TAILQ_ENTRY(svc_callout) sc_link;
rpcprog_t sc_prog;
rpcvers_t sc_vers;
char *sc_netid;
void (*sc_dispatch)(struct svc_req *, SVCXPRT *);
};
TAILQ_HEAD(svc_callout_list, svc_callout);
struct __rpc_svcthread;
/*
* Service request
*/
struct svc_req {
STAILQ_ENTRY(svc_req) rq_link; /* list of requests for a thread */
struct __rpc_svcthread *rq_thread; /* thread which is to execute this */
uint32_t rq_xid; /* RPC transaction ID */
uint32_t rq_prog; /* service program number */
uint32_t rq_vers; /* service protocol version */
uint32_t rq_proc; /* the desired procedure */
size_t rq_size; /* space used by request */
struct mbuf *rq_args; /* XDR-encoded procedure arguments */
struct opaque_auth rq_cred; /* raw creds from the wire */
struct opaque_auth rq_verf; /* verifier for the reply */
void *rq_clntcred; /* read only cooked cred */
SVCAUTH rq_auth; /* interface to auth methods */
SVCXPRT *rq_xprt; /* associated transport */
struct sockaddr *rq_addr; /* reply address or NULL if connected */
void *rq_p1; /* application workspace */
int rq_p2; /* application workspace */
uint64_t rq_p3; /* application workspace */
char rq_credarea[3*MAX_AUTH_BYTES];
};
STAILQ_HEAD(svc_reqlist, svc_req);
#define svc_getrpccaller(rq) \
((rq)->rq_addr ? (rq)->rq_addr : \
(struct sockaddr *) &(rq)->rq_xprt->xp_rtaddr)
/*
* This structure is used to manage a thread which is executing
* requests from a service pool. A service thread is in one of three
* states:
*
* SVCTHREAD_SLEEPING waiting for a request to process
* SVCTHREAD_ACTIVE processing a request
* SVCTHREAD_EXITING exiting after finishing current request
*
* Threads which have no work to process sleep on the pool's sp_active
* list. When a transport becomes active, it is assigned a service
* thread to read and execute pending RPCs.
*/
typedef struct __rpc_svcthread {
SVCXPRT *st_xprt; /* transport we are processing */
struct svc_reqlist st_reqs; /* RPC requests to execute */
int st_reqcount; /* number of queued reqs */
struct cv st_cond; /* sleeping for work */
LIST_ENTRY(__rpc_svcthread) st_link; /* all threads list */
LIST_ENTRY(__rpc_svcthread) st_ilink; /* idle threads list */
LIST_ENTRY(__rpc_svcthread) st_alink; /* application thread list */
} SVCTHREAD;
LIST_HEAD(svcthread_list, __rpc_svcthread);
/*
* In the kernel, we can't use global variables to store lists of
* transports etc. since otherwise we could not have two unrelated RPC
* services running, each on its own thread. We solve this by
* importing a tiny part of a Solaris kernel concept, SVCPOOL.
*
* A service pool contains a set of transports and service callbacks
* for a set of related RPC services. The pool handle should be passed
* when creating new transports etc. Future work may include extending
* this to support something similar to the Solaris multi-threaded RPC
* server.
*/
TAILQ_HEAD(svcxprt_list, __rpc_svcxprt);
enum svcpool_state {
SVCPOOL_INIT, /* svc_run not called yet */
SVCPOOL_ACTIVE, /* normal running state */
SVCPOOL_THREADWANTED, /* new service thread requested */
SVCPOOL_THREADSTARTING, /* new service thread started */
SVCPOOL_CLOSING /* svc_exit called */
};
typedef SVCTHREAD *pool_assign_fn(SVCTHREAD *, struct svc_req *);
typedef void pool_done_fn(SVCTHREAD *, struct svc_req *);
typedef struct __rpc_svcpool {
struct mtx sp_lock; /* protect the transport lists */
const char *sp_name; /* pool name (e.g. "nfsd", "NLM" */
enum svcpool_state sp_state; /* current pool state */
struct proc *sp_proc; /* process which is in svc_run */
struct svcxprt_list sp_xlist; /* all transports in the pool */
struct svcxprt_list sp_active; /* transports needing service */
struct svc_callout_list sp_callouts; /* (prog,vers)->dispatch list */
struct svcthread_list sp_threads; /* service threads */
struct svcthread_list sp_idlethreads; /* idle service threads */
int sp_minthreads; /* minimum service thread count */
int sp_maxthreads; /* maximum service thread count */
int sp_threadcount; /* current service thread count */
time_t sp_lastcreatetime; /* when we last started a thread */
time_t sp_lastidlecheck; /* when we last checked idle transports */
/*
* Hooks to allow an application to control request to thread
* placement.
*/
pool_assign_fn *sp_assign;
pool_done_fn *sp_done;
/*
* These variables are used to put an upper bound on the
* amount of memory used by RPC requests which are queued
* waiting for execution.
*/
unsigned int sp_space_low;
unsigned int sp_space_high;
unsigned int sp_space_used;
unsigned int sp_space_used_highest;
bool_t sp_space_throttled;
int sp_space_throttle_count;
struct replay_cache *sp_rcache; /* optional replay cache */
struct sysctl_ctx_list sp_sysctl;
} SVCPOOL;
#else
/*
* Service request
*/
struct svc_req {
uint32_t rq_prog; /* service program number */
uint32_t rq_vers; /* service protocol version */
uint32_t rq_proc; /* the desired procedure */
struct opaque_auth rq_cred; /* raw creds from the wire */
void *rq_clntcred; /* read only cooked cred */
SVCXPRT *rq_xprt; /* associated transport */
};
/*
* Approved way of getting address of caller
*/
#define svc_getrpccaller(x) (&(x)->xp_rtaddr)
#endif
/*
* Operations defined on an SVCXPRT handle
*
* SVCXPRT *xprt;
* struct rpc_msg *msg;
* xdrproc_t xargs;
* void * argsp;
*/
#ifdef _KERNEL
#define SVC_ACQUIRE(xprt) \
refcount_acquire(&(xprt)->xp_refs)
#define SVC_RELEASE(xprt) \
if (refcount_release(&(xprt)->xp_refs)) \
SVC_DESTROY(xprt)
#define SVC_RECV(xprt, msg, addr, args) \
(*(xprt)->xp_ops->xp_recv)((xprt), (msg), (addr), (args))
#define SVC_STAT(xprt) \
(*(xprt)->xp_ops->xp_stat)(xprt)
#define SVC_REPLY(xprt, msg, addr, m) \
(*(xprt)->xp_ops->xp_reply) ((xprt), (msg), (addr), (m))
#define SVC_DESTROY(xprt) \
(*(xprt)->xp_ops->xp_destroy)(xprt)
#define SVC_CONTROL(xprt, rq, in) \
(*(xprt)->xp_ops->xp_control)((xprt), (rq), (in))
#else
#define SVC_RECV(xprt, msg) \
(*(xprt)->xp_ops->xp_recv)((xprt), (msg))
#define svc_recv(xprt, msg) \
(*(xprt)->xp_ops->xp_recv)((xprt), (msg))
#define SVC_STAT(xprt) \
(*(xprt)->xp_ops->xp_stat)(xprt)
#define svc_stat(xprt) \
(*(xprt)->xp_ops->xp_stat)(xprt)
#define SVC_GETARGS(xprt, xargs, argsp) \
(*(xprt)->xp_ops->xp_getargs)((xprt), (xargs), (argsp))
#define svc_getargs(xprt, xargs, argsp) \
(*(xprt)->xp_ops->xp_getargs)((xprt), (xargs), (argsp))
#define SVC_REPLY(xprt, msg) \
(*(xprt)->xp_ops->xp_reply) ((xprt), (msg))
#define svc_reply(xprt, msg) \
(*(xprt)->xp_ops->xp_reply) ((xprt), (msg))
#define SVC_FREEARGS(xprt, xargs, argsp) \
(*(xprt)->xp_ops->xp_freeargs)((xprt), (xargs), (argsp))
#define svc_freeargs(xprt, xargs, argsp) \
(*(xprt)->xp_ops->xp_freeargs)((xprt), (xargs), (argsp))
#define SVC_DESTROY(xprt) \
(*(xprt)->xp_ops->xp_destroy)(xprt)
#define svc_destroy(xprt) \
(*(xprt)->xp_ops->xp_destroy)(xprt)
#define SVC_CONTROL(xprt, rq, in) \
(*(xprt)->xp_ops2->xp_control)((xprt), (rq), (in))
#endif
#define SVC_EXT(xprt) \
((SVCXPRT_EXT *) xprt->xp_p3)
#define SVC_AUTH(xprt) \
(SVC_EXT(xprt)->xp_auth)
/*
* Operations defined on an SVCAUTH handle
*/
#ifdef _KERNEL
#define SVCAUTH_WRAP(auth, mp) \
((auth)->svc_ah_ops->svc_ah_wrap(auth, mp))
#define SVCAUTH_UNWRAP(auth, mp) \
((auth)->svc_ah_ops->svc_ah_unwrap(auth, mp))
#define SVCAUTH_RELEASE(auth) \
((auth)->svc_ah_ops->svc_ah_release(auth))
#else
#define SVCAUTH_WRAP(auth, xdrs, xfunc, xwhere) \
((auth)->svc_ah_ops->svc_ah_wrap(auth, xdrs, xfunc, xwhere))
#define SVCAUTH_UNWRAP(auth, xdrs, xfunc, xwhere) \
((auth)->svc_ah_ops->svc_ah_unwrap(auth, xdrs, xfunc, xwhere))
#endif
/*
* Service registration
*
* svc_reg(xprt, prog, vers, dispatch, nconf)
* const SVCXPRT *xprt;
* const rpcprog_t prog;
* const rpcvers_t vers;
* const void (*dispatch)();
* const struct netconfig *nconf;
*/
__BEGIN_DECLS
extern bool_t svc_reg(SVCXPRT *, const rpcprog_t, const rpcvers_t,
void (*)(struct svc_req *, SVCXPRT *),
const struct netconfig *);
__END_DECLS
/*
* Service un-registration
*
* svc_unreg(prog, vers)
* const rpcprog_t prog;
* const rpcvers_t vers;
*/
__BEGIN_DECLS
#ifdef _KERNEL
extern void svc_unreg(SVCPOOL *, const rpcprog_t, const rpcvers_t);
#else
extern void svc_unreg(const rpcprog_t, const rpcvers_t);
#endif
__END_DECLS
/*
* Transport registration.
*
* xprt_register(xprt)
* SVCXPRT *xprt;
*/
__BEGIN_DECLS
extern void xprt_register(SVCXPRT *);
__END_DECLS
/*
* Transport un-register
*
* xprt_unregister(xprt)
* SVCXPRT *xprt;
*/
__BEGIN_DECLS
extern void xprt_unregister(SVCXPRT *);
extern void __xprt_unregister_unlocked(SVCXPRT *);
__END_DECLS
#ifdef _KERNEL
/*
* Called when a transport has pending requests.
*/
__BEGIN_DECLS
extern void xprt_active(SVCXPRT *);
extern void xprt_inactive(SVCXPRT *);
extern void xprt_inactive_locked(SVCXPRT *);
__END_DECLS
#endif
/*
* When the service routine is called, it must first check to see if it
* knows about the procedure; if not, it should call svcerr_noproc
* and return. If so, it should deserialize its arguments via
* SVC_GETARGS (defined above). If the deserialization does not work,
* svcerr_decode should be called followed by a return. Successful
* decoding of the arguments should be followed the execution of the
* procedure's code and a call to svc_sendreply.
*
* Also, if the service refuses to execute the procedure due to too-
* weak authentication parameters, svcerr_weakauth should be called.
* Note: do not confuse access-control failure with weak authentication!
*
* NB: In pure implementations of rpc, the caller always waits for a reply
* msg. This message is sent when svc_sendreply is called.
* Therefore pure service implementations should always call
* svc_sendreply even if the function logically returns void; use
* xdr.h - xdr_void for the xdr routine. HOWEVER, tcp based rpc allows
* for the abuse of pure rpc via batched calling or pipelining. In the
* case of a batched call, svc_sendreply should NOT be called since
* this would send a return message, which is what batching tries to avoid.
* It is the service/protocol writer's responsibility to know which calls are
* batched and which are not. Warning: responding to batch calls may
* deadlock the caller and server processes!
*/
__BEGIN_DECLS
#ifdef _KERNEL
extern bool_t svc_sendreply(struct svc_req *, xdrproc_t, void *);
extern bool_t svc_sendreply_mbuf(struct svc_req *, struct mbuf *);
extern void svcerr_decode(struct svc_req *);
extern void svcerr_weakauth(struct svc_req *);
extern void svcerr_noproc(struct svc_req *);
extern void svcerr_progvers(struct svc_req *, rpcvers_t, rpcvers_t);
extern void svcerr_auth(struct svc_req *, enum auth_stat);
extern void svcerr_noprog(struct svc_req *);
extern void svcerr_systemerr(struct svc_req *);
#else
extern bool_t svc_sendreply(SVCXPRT *, xdrproc_t, void *);
extern void svcerr_decode(SVCXPRT *);
extern void svcerr_weakauth(SVCXPRT *);
extern void svcerr_noproc(SVCXPRT *);
extern void svcerr_progvers(SVCXPRT *, rpcvers_t, rpcvers_t);
extern void svcerr_auth(SVCXPRT *, enum auth_stat);
extern void svcerr_noprog(SVCXPRT *);
extern void svcerr_systemerr(SVCXPRT *);
#endif
extern int rpc_reg(rpcprog_t, rpcvers_t, rpcproc_t,
char *(*)(char *), xdrproc_t, xdrproc_t,
char *);
__END_DECLS
/*
* Lowest level dispatching -OR- who owns this process anyway.
* Somebody has to wait for incoming requests and then call the correct
* service routine. The routine svc_run does infinite waiting; i.e.,
* svc_run never returns.
* Since another (co-existant) package may wish to selectively wait for
* incoming calls or other events outside of the rpc architecture, the
* routine svc_getreq is provided. It must be passed readfds, the
* "in-place" results of a select system call (see select, section 2).
*/
#ifndef _KERNEL
/*
* Global keeper of rpc service descriptors in use
* dynamic; must be inspected before each call to select
*/
extern int svc_maxfd;
#ifdef FD_SETSIZE
extern fd_set svc_fdset;
#define svc_fds svc_fdset.fds_bits[0] /* compatibility */
#else
extern int svc_fds;
#endif /* def FD_SETSIZE */
#endif
/*
* a small program implemented by the svc_rpc implementation itself;
* also see clnt.h for protocol numbers.
*/
__BEGIN_DECLS
extern void rpctest_service(void);
__END_DECLS
__BEGIN_DECLS
extern SVCXPRT *svc_xprt_alloc(void);
extern void svc_xprt_free(SVCXPRT *);
#ifndef _KERNEL
extern void svc_getreq(int);
extern void svc_getreqset(fd_set *);
extern void svc_getreq_common(int);
struct pollfd;
extern void svc_getreq_poll(struct pollfd *, int);
extern void svc_run(void);
extern void svc_exit(void);
#else
extern void svc_run(SVCPOOL *);
extern void svc_exit(SVCPOOL *);
extern bool_t svc_getargs(struct svc_req *, xdrproc_t, void *);
extern bool_t svc_freeargs(struct svc_req *, xdrproc_t, void *);
extern void svc_freereq(struct svc_req *);
#endif
__END_DECLS
/*
* Socket to use on svcxxx_create call to get default socket
*/
#define RPC_ANYSOCK -1
#define RPC_ANYFD RPC_ANYSOCK
/*
* These are the existing service side transport implementations
*/
__BEGIN_DECLS
#ifdef _KERNEL
/*
* Create a new service pool.
*/
extern SVCPOOL* svcpool_create(const char *name,
struct sysctl_oid_list *sysctl_base);
/*
* Destroy a service pool, including all registered transports.
*/
extern void svcpool_destroy(SVCPOOL *pool);
/*
* Transport independent svc_create routine.
*/
extern int svc_create(SVCPOOL *, void (*)(struct svc_req *, SVCXPRT *),
const rpcprog_t, const rpcvers_t, const char *);
/*
* void (*dispatch)(); -- dispatch routine
* const rpcprog_t prognum; -- program number
* const rpcvers_t versnum; -- version number
* const char *nettype; -- network type
*/
/*
* Generic server creation routine. It takes a netconfig structure
* instead of a nettype.
*/
extern SVCXPRT *svc_tp_create(SVCPOOL *, void (*)(struct svc_req *, SVCXPRT *),
const rpcprog_t, const rpcvers_t, const char *uaddr,
const struct netconfig *);
/*
* void (*dispatch)(); -- dispatch routine
* const rpcprog_t prognum; -- program number
* const rpcvers_t versnum; -- version number
* const char *uaddr; -- universal address of service
* const struct netconfig *nconf; -- netconfig structure
*/
extern SVCXPRT *svc_dg_create(SVCPOOL *, struct socket *,
const size_t, const size_t);
/*
* struct socket *; -- open connection
* const size_t sendsize; -- max send size
* const size_t recvsize; -- max recv size
*/
extern SVCXPRT *svc_vc_create(SVCPOOL *, struct socket *,
const size_t, const size_t);
/*
* struct socket *; -- open connection
* const size_t sendsize; -- max send size
* const size_t recvsize; -- max recv size
*/
/*
* Generic TLI create routine
*/
extern SVCXPRT *svc_tli_create(SVCPOOL *, struct socket *,
const struct netconfig *, const struct t_bind *, const size_t, const size_t);
/*
* struct socket * so; -- connection end point
* const struct netconfig *nconf; -- netconfig structure for network
* const struct t_bind *bindaddr; -- local bind address
* const size_t sendsz; -- max sendsize
* const size_t recvsz; -- max recvsize
*/
#else /* !_KERNEL */
/*
* Transport independent svc_create routine.
*/
extern int svc_create(void (*)(struct svc_req *, SVCXPRT *),
const rpcprog_t, const rpcvers_t, const char *);
/*
* void (*dispatch)(); -- dispatch routine
* const rpcprog_t prognum; -- program number
* const rpcvers_t versnum; -- version number
* const char *nettype; -- network type
*/
/*
* Generic server creation routine. It takes a netconfig structure
* instead of a nettype.
*/
extern SVCXPRT *svc_tp_create(void (*)(struct svc_req *, SVCXPRT *),
const rpcprog_t, const rpcvers_t,
const struct netconfig *);
/*
* void (*dispatch)(); -- dispatch routine
* const rpcprog_t prognum; -- program number
* const rpcvers_t versnum; -- version number
* const struct netconfig *nconf; -- netconfig structure
*/
/*
* Generic TLI create routine
*/
extern SVCXPRT *svc_tli_create(const int, const struct netconfig *,
const struct t_bind *, const u_int,
const u_int);
/*
* const int fd; -- connection end point
* const struct netconfig *nconf; -- netconfig structure for network
* const struct t_bind *bindaddr; -- local bind address
* const u_int sendsz; -- max sendsize
* const u_int recvsz; -- max recvsize
*/
/*
* Connectionless and connectionful create routines
*/
extern SVCXPRT *svc_vc_create(const int, const u_int, const u_int);
/*
* const int fd; -- open connection end point
* const u_int sendsize; -- max send size
* const u_int recvsize; -- max recv size
*/
/*
* Added for compatibility to old rpc 4.0. Obsoleted by svc_vc_create().
*/
extern SVCXPRT *svcunix_create(int, u_int, u_int, char *);
extern SVCXPRT *svc_dg_create(const int, const u_int, const u_int);
/*
* const int fd; -- open connection
* const u_int sendsize; -- max send size
* const u_int recvsize; -- max recv size
*/
/*
* the routine takes any *open* connection
* descriptor as its first input and is used for open connections.
*/
extern SVCXPRT *svc_fd_create(const int, const u_int, const u_int);
/*
* const int fd; -- open connection end point
* const u_int sendsize; -- max send size
* const u_int recvsize; -- max recv size
*/
/*
* Added for compatibility to old rpc 4.0. Obsoleted by svc_fd_create().
*/
extern SVCXPRT *svcunixfd_create(int, u_int, u_int);
/*
* Memory based rpc (for speed check and testing)
*/
extern SVCXPRT *svc_raw_create(void);
/*
* svc_dg_enable_cache() enables the cache on dg transports.
*/
int svc_dg_enablecache(SVCXPRT *, const u_int);
int __rpc_get_local_uid(SVCXPRT *_transp, uid_t *_uid);
#endif /* !_KERNEL */
__END_DECLS
#ifndef _KERNEL
/* for backward compatibility */
#include <rpc/svc_soc.h>
#endif
#endif /* !_RPC_SVC_H */