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clnt.h (177633) clnt.h (180025)
1/* $NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $ */
2
3/*
4 * The contents of this file are subject to the Sun Standards
5 * License Version 1.0 the (the "License";) You may not use
6 * this file except in compliance with the License. You may
7 * obtain a copy of the License at lib/libc/rpc/LICENSE
8 *

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42 * Sun has been advised of the possibility of such damages.
43 *
44 * Sun Microsystems, Inc.
45 * 2550 Garcia Avenue
46 * Mountain View, California 94043
47 *
48 * from: @(#)clnt.h 1.31 94/04/29 SMI
49 * from: @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC
1/* $NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $ */
2
3/*
4 * The contents of this file are subject to the Sun Standards
5 * License Version 1.0 the (the "License";) You may not use
6 * this file except in compliance with the License. You may
7 * obtain a copy of the License at lib/libc/rpc/LICENSE
8 *

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42 * Sun has been advised of the possibility of such damages.
43 *
44 * Sun Microsystems, Inc.
45 * 2550 Garcia Avenue
46 * Mountain View, California 94043
47 *
48 * from: @(#)clnt.h 1.31 94/04/29 SMI
49 * from: @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC
50 * $FreeBSD: head/sys/rpc/clnt.h 177633 2008-03-26 15:23:12Z dfr $
50 * $FreeBSD: head/sys/rpc/clnt.h 180025 2008-06-26 10:21:54Z dfr $
51 */
52
53/*
54 * clnt.h - Client side remote procedure call interface.
55 *
56 * Copyright (c) 1986-1991,1994-1999 by Sun Microsystems, Inc.
57 * All rights reserved.
58 */
59
60#ifndef _RPC_CLNT_H_
61#define _RPC_CLNT_H_
62#include <rpc/clnt_stat.h>
63#include <sys/cdefs.h>
64#ifdef _KERNEL
51 */
52
53/*
54 * clnt.h - Client side remote procedure call interface.
55 *
56 * Copyright (c) 1986-1991,1994-1999 by Sun Microsystems, Inc.
57 * All rights reserved.
58 */
59
60#ifndef _RPC_CLNT_H_
61#define _RPC_CLNT_H_
62#include <rpc/clnt_stat.h>
63#include <sys/cdefs.h>
64#ifdef _KERNEL
65#include <sys/refcount.h>
65#include <rpc/netconfig.h>
66#else
67#include <netconfig.h>
68#endif
69#include <sys/un.h>
70
71/*
72 * Well-known IPV6 RPC broadcast address.

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104 } RE_lb; /* life boot & debugging only */
105 } ru;
106#define re_errno ru.RE_errno
107#define re_why ru.RE_why
108#define re_vers ru.RE_vers
109#define re_lb ru.RE_lb
110};
111
66#include <rpc/netconfig.h>
67#else
68#include <netconfig.h>
69#endif
70#include <sys/un.h>
71
72/*
73 * Well-known IPV6 RPC broadcast address.

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105 } RE_lb; /* life boot & debugging only */
106 } ru;
107#define re_errno ru.RE_errno
108#define re_why ru.RE_why
109#define re_vers ru.RE_vers
110#define re_lb ru.RE_lb
111};
112
113#ifdef _KERNEL
114/*
115 * Functions of this type may be used to receive notification when RPC
116 * calls have to be re-transmitted etc.
117 */
118typedef void rpc_feedback(int cmd, int procnum, void *);
112
113/*
119
120/*
121 * A structure used with CLNT_CALL_EXT to pass extra information used
122 * while processing an RPC call.
123 */
124struct rpc_callextra {
125 AUTH *rc_auth; /* auth handle to use for this call */
126 rpc_feedback *rc_feedback; /* callback for retransmits etc. */
127 void *rc_feedback_arg; /* argument for callback */
128};
129#endif
130
131/*
114 * Client rpc handle.
115 * Created by individual implementations
116 * Client is responsible for initializing auth, see e.g. auth_none.c.
117 */
118typedef struct __rpc_client {
132 * Client rpc handle.
133 * Created by individual implementations
134 * Client is responsible for initializing auth, see e.g. auth_none.c.
135 */
136typedef struct __rpc_client {
137#ifdef _KERNEL
138 volatile u_int cl_refs; /* reference count */
119 AUTH *cl_auth; /* authenticator */
120 struct clnt_ops {
121 /* call remote procedure */
122 enum clnt_stat (*cl_call)(struct __rpc_client *,
139 AUTH *cl_auth; /* authenticator */
140 struct clnt_ops {
141 /* call remote procedure */
142 enum clnt_stat (*cl_call)(struct __rpc_client *,
123 rpcproc_t, xdrproc_t, void *, xdrproc_t,
124 void *, struct timeval);
143 struct rpc_callextra *, rpcproc_t, xdrproc_t, void *,
144 xdrproc_t, void *, struct timeval);
125 /* abort a call */
126 void (*cl_abort)(struct __rpc_client *);
127 /* get specific error code */
128 void (*cl_geterr)(struct __rpc_client *,
129 struct rpc_err *);
130 /* frees results */
131 bool_t (*cl_freeres)(struct __rpc_client *,
132 xdrproc_t, void *);
133 /* destroy this structure */
134 void (*cl_destroy)(struct __rpc_client *);
135 /* the ioctl() of rpc */
136 bool_t (*cl_control)(struct __rpc_client *, u_int,
137 void *);
138 } *cl_ops;
145 /* abort a call */
146 void (*cl_abort)(struct __rpc_client *);
147 /* get specific error code */
148 void (*cl_geterr)(struct __rpc_client *,
149 struct rpc_err *);
150 /* frees results */
151 bool_t (*cl_freeres)(struct __rpc_client *,
152 xdrproc_t, void *);
153 /* destroy this structure */
154 void (*cl_destroy)(struct __rpc_client *);
155 /* the ioctl() of rpc */
156 bool_t (*cl_control)(struct __rpc_client *, u_int,
157 void *);
158 } *cl_ops;
159#else
160 AUTH *cl_auth; /* authenticator */
161 struct clnt_ops {
162 /* call remote procedure */
163 enum clnt_stat (*cl_call)(struct __rpc_client *,
164 rpcproc_t, xdrproc_t, void *, xdrproc_t,
165 void *, struct timeval);
166 /* abort a call */
167 void (*cl_abort)(struct __rpc_client *);
168 /* get specific error code */
169 void (*cl_geterr)(struct __rpc_client *,
170 struct rpc_err *);
171 /* frees results */
172 bool_t (*cl_freeres)(struct __rpc_client *,
173 xdrproc_t, void *);
174 /* destroy this structure */
175 void (*cl_destroy)(struct __rpc_client *);
176 /* the ioctl() of rpc */
177 bool_t (*cl_control)(struct __rpc_client *, u_int,
178 void *);
179 } *cl_ops;
180#endif
139 void *cl_private; /* private stuff */
140 char *cl_netid; /* network token */
141 char *cl_tp; /* device name */
142} CLIENT;
143
181 void *cl_private; /* private stuff */
182 char *cl_netid; /* network token */
183 char *cl_tp; /* device name */
184} CLIENT;
185
144
145/*
146 * Timers used for the pseudo-transport protocol when using datagrams
147 */
148struct rpc_timers {
149 u_short rt_srtt; /* smoothed round-trip time */
150 u_short rt_deviate; /* estimated deviation */
151 u_long rt_rtxcur; /* current (backed-off) rto */
152};
153
154/*
155 * Feedback values used for possible congestion and rate control
156 */
186/*
187 * Timers used for the pseudo-transport protocol when using datagrams
188 */
189struct rpc_timers {
190 u_short rt_srtt; /* smoothed round-trip time */
191 u_short rt_deviate; /* estimated deviation */
192 u_long rt_rtxcur; /* current (backed-off) rto */
193};
194
195/*
196 * Feedback values used for possible congestion and rate control
197 */
157#define FEEDBACK_REXMIT1 1 /* first retransmit */
158#define FEEDBACK_OK 2 /* no retransmits */
198#define FEEDBACK_OK 1 /* no retransmits */
199#define FEEDBACK_REXMIT1 2 /* first retransmit */
200#define FEEDBACK_REXMIT2 3 /* second and subsequent retransmit */
201#define FEEDBACK_RECONNECT 4 /* client reconnect */
159
160/* Used to set version of portmapper used in broadcast */
161
162#define CLCR_SET_LOWVERS 3
163#define CLCR_GET_LOWVERS 4
164
165#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
166
167/*
168 * client side rpc interface ops
169 *
170 * Parameter types are:
171 *
172 */
173
202
203/* Used to set version of portmapper used in broadcast */
204
205#define CLCR_SET_LOWVERS 3
206#define CLCR_GET_LOWVERS 4
207
208#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
209
210/*
211 * client side rpc interface ops
212 *
213 * Parameter types are:
214 *
215 */
216
217#ifdef _KERNEL
218#define CLNT_ACQUIRE(rh) \
219 refcount_acquire(&(rh)->cl_refs)
220#define CLNT_RELEASE(rh) \
221 if (refcount_release(&(rh)->cl_refs)) \
222 CLNT_DESTROY(rh)
223
174/*
175 * enum clnt_stat
224/*
225 * enum clnt_stat
226 * CLNT_CALL_EXT(rh, ext, proc, xargs, argsp, xres, resp, timeout)
227 * CLIENT *rh;
228 * struct rpc_callextra *ext;
229 * rpcproc_t proc;
230 * xdrproc_t xargs;
231 * void *argsp;
232 * xdrproc_t xres;
233 * void *resp;
234 * struct timeval timeout;
235 */
236#define CLNT_CALL_EXT(rh, ext, proc, xargs, argsp, xres, resp, secs) \
237 ((*(rh)->cl_ops->cl_call)(rh, ext, proc, xargs, \
238 argsp, xres, resp, secs))
239#endif
240
241/*
242 * enum clnt_stat
176 * CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout)
177 * CLIENT *rh;
178 * rpcproc_t proc;
179 * xdrproc_t xargs;
180 * void *argsp;
181 * xdrproc_t xres;
182 * void *resp;
183 * struct timeval timeout;
184 */
243 * CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout)
244 * CLIENT *rh;
245 * rpcproc_t proc;
246 * xdrproc_t xargs;
247 * void *argsp;
248 * xdrproc_t xres;
249 * void *resp;
250 * struct timeval timeout;
251 */
185#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
186 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
252#ifdef _KERNEL
253#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
254 ((*(rh)->cl_ops->cl_call)(rh, NULL, proc, xargs, \
187 argsp, xres, resp, secs))
255 argsp, xres, resp, secs))
188#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \
189 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
256#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \
257 ((*(rh)->cl_ops->cl_call)(rh, NULL, proc, xargs, \
190 argsp, xres, resp, secs))
258 argsp, xres, resp, secs))
259#else
260#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
261 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
262 argsp, xres, resp, secs))
263#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \
264 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
265 argsp, xres, resp, secs))
266#endif
191
192/*
193 * void
194 * CLNT_ABORT(rh);
195 * CLIENT *rh;
196 */
197#define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh))
198#define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh))

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257/*
258 * Kernel control operations. The default msleep string is "rpcrecv",
259 * and sleeps are non-interruptible by default.
260 */
261#define CLSET_WAITCHAN 21 /* set string to use in msleep call */
262#define CLGET_WAITCHAN 22 /* get string used in msleep call */
263#define CLSET_INTERRUPTIBLE 23 /* set interruptible flag */
264#define CLGET_INTERRUPTIBLE 24 /* set interruptible flag */
267
268/*
269 * void
270 * CLNT_ABORT(rh);
271 * CLIENT *rh;
272 */
273#define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh))
274#define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh))

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333/*
334 * Kernel control operations. The default msleep string is "rpcrecv",
335 * and sleeps are non-interruptible by default.
336 */
337#define CLSET_WAITCHAN 21 /* set string to use in msleep call */
338#define CLGET_WAITCHAN 22 /* get string used in msleep call */
339#define CLSET_INTERRUPTIBLE 23 /* set interruptible flag */
340#define CLGET_INTERRUPTIBLE 24 /* set interruptible flag */
341#define CLSET_RETRIES 25 /* set retry count for reconnect */
342#define CLGET_RETRIES 26 /* get retry count for reconnect */
265#endif
266
267
268/*
269 * void
270 * CLNT_DESTROY(rh);
271 * CLIENT *rh;
272 */

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529extern struct rpc_createerr rpc_createerr;
530#else
531__BEGIN_DECLS
532extern struct rpc_createerr *__rpc_createerr(void);
533__END_DECLS
534#define rpc_createerr (*(__rpc_createerr()))
535#endif
536
343#endif
344
345
346/*
347 * void
348 * CLNT_DESTROY(rh);
349 * CLIENT *rh;
350 */

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607extern struct rpc_createerr rpc_createerr;
608#else
609__BEGIN_DECLS
610extern struct rpc_createerr *__rpc_createerr(void);
611__END_DECLS
612#define rpc_createerr (*(__rpc_createerr()))
613#endif
614
615#ifndef _KERNEL
537/*
538 * The simplified interface:
539 * enum clnt_stat
540 * rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype)
541 * const char *host;
542 * const rpcprog_t prognum;
543 * const rpcvers_t versnum;
544 * const rpcproc_t procnum;

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607 const resultproc_t, const char *);
608extern enum clnt_stat rpc_broadcast_exp(const rpcprog_t, const rpcvers_t,
609 const rpcproc_t, const xdrproc_t,
610 caddr_t, const xdrproc_t, caddr_t,
611 const resultproc_t, const int,
612 const int, const char *);
613__END_DECLS
614
616/*
617 * The simplified interface:
618 * enum clnt_stat
619 * rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype)
620 * const char *host;
621 * const rpcprog_t prognum;
622 * const rpcvers_t versnum;
623 * const rpcproc_t procnum;

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686 const resultproc_t, const char *);
687extern enum clnt_stat rpc_broadcast_exp(const rpcprog_t, const rpcvers_t,
688 const rpcproc_t, const xdrproc_t,
689 caddr_t, const xdrproc_t, caddr_t,
690 const resultproc_t, const int,
691 const int, const char *);
692__END_DECLS
693
615#ifndef _KERNEL
616/* For backward compatibility */
617#include <rpc/clnt_soc.h>
618#endif
619
620#endif /* !_RPC_CLNT_H_ */
694/* For backward compatibility */
695#include <rpc/clnt_soc.h>
696#endif
697
698#endif /* !_RPC_CLNT_H_ */