1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 26 /* All Rights Reserved */ 27 /* 28 * Portions of this source code were derived from Berkeley 29 * 4.3 BSD under license from the Regents of the University of 30 * California. 31 */ 32 33 /* 34 * clnt.h - Client side remote procedure call interface. 35 */ 36 37 #ifndef _RPC_CLNT_H 38 #define _RPC_CLNT_H 39 40 #include <sys/types.h> 41 #include <rpc/rpc_com.h> 42 #include <rpc/clnt_stat.h> 43 #include <rpc/auth.h> 44 45 /* 46 * rpc calls return an enum clnt_stat. This should be looked at more, 47 * since each implementation is required to live with this (implementation 48 * independent) list of errors. 49 */ 50 #include <sys/netconfig.h> 51 #ifdef _KERNEL 52 #include <sys/t_kuser.h> 53 #endif /* _KERNEL */ 54 55 #ifdef __cplusplus 56 extern "C" { 57 #endif 58 59 /* 60 * Following defines the multicast group address used by IPV6 enabled 61 * client to do the broadcast. IPv6 doesn't have any broadcast support 62 * as IPv4 provides, thus it used this reserved address which is joined 63 * by all rpc clients. 64 */ 65 66 #define RPCB_MULTICAST_ADDR "FF02::202" 67 68 /* 69 * the following errors are in general unrecoverable. The caller 70 * should give up rather than retry. 71 */ 72 #define IS_UNRECOVERABLE_RPC(s) (((s) == RPC_AUTHERROR) || \ 73 ((s) == RPC_CANTENCODEARGS) || \ 74 ((s) == RPC_CANTDECODERES) || \ 75 ((s) == RPC_VERSMISMATCH) || \ 76 ((s) == RPC_PROCUNAVAIL) || \ 77 ((s) == RPC_PROGUNAVAIL) || \ 78 ((s) == RPC_PROGVERSMISMATCH) || \ 79 ((s) == RPC_SYSTEMERROR) || \ 80 ((s) == RPC_CANTDECODEARGS)) 81 82 /* Maximum rpc backoff time */ 83 #define RPC_MAX_BACKOFF 30 84 85 /* 86 * Error info. 87 */ 88 struct rpc_err { 89 enum clnt_stat re_status; 90 union { 91 struct { 92 int RE_errno; /* related system error */ 93 int RE_t_errno; /* related tli error number */ 94 } RE_err; 95 enum auth_stat RE_why; /* why the auth error occurred */ 96 struct { 97 rpcvers_t low; /* lowest verion supported */ 98 rpcvers_t high; /* highest verion supported */ 99 } RE_vers; 100 struct { /* maybe meaningful if RPC_FAILED */ 101 int32_t s1; 102 int32_t s2; 103 } RE_lb; /* life boot & debugging only */ 104 } ru; 105 #define re_errno ru.RE_err.RE_errno 106 #define re_terrno ru.RE_err.RE_t_errno 107 #define re_why ru.RE_why 108 #define re_vers ru.RE_vers 109 #define re_lb ru.RE_lb 110 }; 111 112 113 /* 114 * Timers used for the pseudo-transport protocol when using datagrams 115 */ 116 struct rpc_timers { 117 clock_t rt_srtt; /* smoothed round-trip time */ 118 clock_t rt_deviate; /* estimated deviation */ 119 clock_t rt_rtxcur; /* current (backed-off) rto */ 120 }; 121 122 /* 123 * PSARC 2003/523 Contract Private Interface 124 * CLIENT 125 * Changes must be reviewed by Solaris File Sharing 126 * Changes must be communicated to contract-2003-523 (at) sun.com 127 * 128 * Client rpc handle. 129 * Created by individual implementations 130 * Client is responsible for initializing auth, see e.g. auth_none.c. 131 */ 132 133 typedef struct __client { 134 AUTH *cl_auth; /* authenticator */ 135 struct clnt_ops { 136 #ifdef __STDC__ 137 /* call remote procedure */ 138 enum clnt_stat (*cl_call)(struct __client *, rpcproc_t, 139 xdrproc_t, caddr_t, xdrproc_t, 140 caddr_t, struct timeval); 141 /* abort a call */ 142 void (*cl_abort)(/* various */); 143 /* get specific error code */ 144 void (*cl_geterr)(struct __client *, 145 struct rpc_err *); 146 /* frees results */ 147 bool_t (*cl_freeres)(struct __client *, xdrproc_t, 148 caddr_t); 149 /* destroy this structure */ 150 void (*cl_destroy)(struct __client *); 151 /* the ioctl() of rpc */ 152 bool_t (*cl_control)(struct __client *, int, char *); 153 /* set rpc level timers */ 154 int (*cl_settimers)(struct __client *, 155 struct rpc_timers *, struct rpc_timers *, 156 int, void (*)(), caddr_t, uint32_t); 157 #ifndef _KERNEL 158 /* send a one-way asynchronous call to remote procedure */ 159 enum clnt_stat (*cl_send)(struct __client *, rpcproc_t, 160 xdrproc_t, caddr_t); 161 #endif /* !_KERNEL */ 162 #else 163 enum clnt_stat (*cl_call)(); /* call remote procedure */ 164 void (*cl_abort)(); /* abort a call */ 165 void (*cl_geterr)(); /* get specific error code */ 166 bool_t (*cl_freeres)(); /* frees results */ 167 void (*cl_destroy)(); /* destroy this structure */ 168 bool_t (*cl_control)(); /* the ioctl() of rpc */ 169 int (*cl_settimers)(); /* set rpc level timers */ 170 #ifndef _KERNEL 171 enum clnt_stat (*cl_send)(); /* send one-way request */ 172 #endif /* !_KERNEL */ 173 #endif 174 } *cl_ops; 175 caddr_t cl_private; /* private stuff */ 176 #ifndef _KERNEL 177 char *cl_netid; /* network token */ 178 char *cl_tp; /* device name */ 179 #else 180 bool_t cl_nosignal; /* to handle NOINTR */ 181 #endif 182 } CLIENT; 183 184 /* 185 * Feedback values used for possible congestion and rate control 186 */ 187 #define FEEDBACK_REXMIT1 1 /* first retransmit */ 188 #define FEEDBACK_OK 2 /* no retransmits */ 189 190 /* 191 * The following defines the control routines 192 * for rpcbind. 193 */ 194 195 #define CLCR_GET_RPCB_TIMEOUT 1 196 #define CLCR_SET_RPCB_TIMEOUT 2 197 #define CLCR_SET_LOWVERS 3 198 #define CLCR_GET_LOWVERS 4 199 #define CLCR_SET_RPCB_RMTTIME 5 200 #define CLCR_GET_RPCB_RMTTIME 6 201 #define CLCR_SET_CRED_CACHE_SZ 7 202 #define CLCR_GET_CRED_CACHE_SZ 8 203 204 #define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */ 205 206 #define KNC_STRSIZE 128 /* maximum length of knetconfig strings */ 207 /* 208 * PSARC 2003/523 Contract Private Interface 209 * knetconfig 210 * Changes must be reviewed by Solaris File Sharing 211 * Changes must be communicated to contract-2003-523 (at) sun.com 212 * 213 * Note that the knetconfig strings can either be dynamically allocated, or 214 * they can be string literals. The code that sets up the knetconfig is 215 * responsible for keeping track of this and freeing the strings if 216 * necessary when the knetconfig is destroyed. 217 */ 218 struct knetconfig { 219 unsigned int knc_semantics; /* token name */ 220 caddr_t knc_protofmly; /* protocol family */ 221 caddr_t knc_proto; /* protocol */ 222 dev_t knc_rdev; /* device id */ 223 unsigned int knc_unused[8]; 224 }; 225 226 #ifdef _SYSCALL32 227 struct knetconfig32 { 228 uint32_t knc_semantics; /* token name */ 229 caddr32_t knc_protofmly; /* protocol family */ 230 caddr32_t knc_proto; /* protocol */ 231 dev32_t knc_rdev; /* device id */ 232 uint32_t knc_unused[8]; 233 }; 234 #endif /* _SYSCALL32 */ 235 236 #ifdef _KERNEL 237 238 /* 239 * Bucket defined for the call table. Padded out to 64 bytes so that 240 * false sharing won't be induced. 241 */ 242 typedef union call_table { 243 struct { 244 struct calllist_s *uct_call_next; 245 struct calllist_s *uct_call_prev; 246 uint_t uct_len; 247 kmutex_t uct_lock; 248 } ct_s; 249 char uct_pad[64]; 250 } call_table_t; 251 252 /* 253 * Define some macros for easy access into the call table structure 254 */ 255 #define ct_call_next ct_s.uct_call_next 256 #define ct_call_prev ct_s.uct_call_prev 257 #define ct_len ct_s.uct_len 258 #define ct_lock ct_s.uct_lock 259 260 /* 261 * List of outstanding calls awaiting replies, for COTS, CLTS 262 */ 263 typedef struct calllist_s { 264 struct calllist_s *call_next; /* hash chain, MUST BE FIRST */ 265 struct calllist_s *call_prev; 266 bool_t call_notified; 267 uint_t call_xid; /* the xid on the call */ 268 uint_t call_hash; /* hash value */ 269 call_table_t *call_bucket; /* back pointer to bucket */ 270 mblk_t *call_reply; /* the reply to the call */ 271 kcondvar_t call_cv; /* cv to notify when reply is done */ 272 kmutex_t call_lock; /* lock for cv */ 273 struct rpc_err call_err; /* status on reply */ 274 #define call_status call_err.re_status /* error on reply (rep is invalid) */ 275 #define call_reason call_err.re_errno /* reason code on T_DISCON_IND */ 276 queue_t *call_wq; /* the write queue the call is using */ 277 zoneid_t call_zoneid; /* zoneid the call was made from */ 278 } calllist_t; 279 280 /* 281 * Define macros for call table hashing 282 */ 283 /* 284 * A simple hash function. Due to the way XID's get allocated, this may be 285 * sufficient. This hash function provides round robin bucket selection so 286 * that the next time a particular bucket gets picked is when there have 287 * been N-1 calls. N is the number of buckets. 288 */ 289 #define call_hash(xid, hashsize) \ 290 (xid % hashsize); 291 292 #define call_table_enter(e) \ 293 { \ 294 call_table_t *ctp = (e)->call_bucket; \ 295 mutex_enter(&ctp->ct_lock); \ 296 ctp->ct_len++; \ 297 (e)->call_next = ctp->ct_call_next; \ 298 (e)->call_prev = (calllist_t *)ctp; \ 299 ctp->ct_call_next->call_prev = (e); \ 300 ctp->ct_call_next = (e); \ 301 mutex_exit(&ctp->ct_lock); \ 302 } 303 304 #define call_table_remove(e) \ 305 { \ 306 call_table_t *ctp = (e)->call_bucket; \ 307 mutex_enter(&ctp->ct_lock); \ 308 ctp->ct_len--; \ 309 (e)->call_prev->call_next = (e)->call_next; \ 310 (e)->call_next->call_prev = (e)->call_prev; \ 311 mutex_exit(&ctp->ct_lock); \ 312 } 313 314 #define call_table_find(ctp, xid, ele) \ 315 { \ 316 calllist_t *cp; \ 317 (ele) = NULL; \ 318 mutex_enter(&(ctp)->ct_lock); \ 319 for (cp = (ctp)->ct_call_next; \ 320 cp != (calllist_t *)(ctp); \ 321 cp = cp->call_next) { \ 322 if (cp->call_xid == (xid)) \ 323 (ele) = cp; \ 324 } \ 325 } 326 327 #define DEFAULT_MIN_HASH_SIZE 32 328 #define DEFAULT_HASH_SIZE 1024 329 330 #define RESERVED_PORTSPACE (IPPORT_RESERVED - (IPPORT_RESERVED/2)) 331 #define NONRESERVED_PORTSPACE (0xFFFF - IPPORT_RESERVED) 332 333 /* 334 * Alloc_xid presents an interface which kernel RPC clients 335 * should use to allocate their XIDs. Its implementation 336 * may change over time (for example, to allow sharing of 337 * XIDs between the kernel and user-level applications, so 338 * all XID allocation should be done by calling alloc_xid(). 339 */ 340 extern uint32_t alloc_xid(void); 341 342 extern struct zone *rpc_zone(void); 343 extern zoneid_t rpc_zoneid(void); 344 345 extern int clnt_tli_kcreate(struct knetconfig *config, struct netbuf *svcaddr, 346 rpcprog_t, rpcvers_t, uint_t max_msgsize, int retrys, 347 struct cred *cred, CLIENT **ncl); 348 349 extern int clnt_tli_kinit(CLIENT *h, struct knetconfig *config, 350 struct netbuf *addr, uint_t max_msgsize, int retries, 351 struct cred *cred); 352 353 extern int rpc_uaddr2port(int af, char *addr); 354 355 /* 356 * kRPC internal function. Not for general use. Subject to rapid change. 357 */ 358 extern int bindresvport(TIUSER *tiptr, struct netbuf *addr, 359 struct netbuf *bound_addr, bool_t istcp); 360 361 /* 362 * kRPC internal function. Not for general use. Subject to rapid change. 363 */ 364 extern int clnt_clts_kcreate(struct knetconfig *config, struct netbuf *addr, 365 rpcprog_t, rpcvers_t, int retries, struct cred *cred, CLIENT **cl); 366 367 /* 368 * kRPC internal function. Not for general use. Subject to rapid change. 369 */ 370 extern int clnt_cots_kcreate(dev_t dev, struct netbuf *addr, int family, 371 rpcprog_t, rpcvers_t, uint_t max_msgsize, struct cred *cred, 372 CLIENT **ncl); 373 /* 374 * kRPC internal function. Not for general use. Subject to rapid change. 375 */ 376 extern int clnt_rdma_kcreate(char *proto, void *handle, struct netbuf *raddr, 377 int family, rpcprog_t pgm, rpcvers_t vers, struct cred *cred, 378 CLIENT **cl); 379 /* 380 * kRPC internal function. Not for general use. Subject to rapid change. 381 */ 382 extern int rdma_reachable(int addr_type, struct netbuf *addr, 383 struct knetconfig **knconf); 384 385 /* 386 * kRPC internal function. Not for general use. Subject to rapid change. 387 */ 388 extern void clnt_clts_kinit(CLIENT *h, struct netbuf *addr, int retries, 389 struct cred *cred); 390 391 /* 392 * kRPC internal function. Not for general use. Subject to rapid change. 393 */ 394 extern void clnt_cots_kinit(CLIENT *h, dev_t dev, int family, 395 struct netbuf *addr, int max_msgsize, struct cred *cred); 396 397 /* 398 * kRPC internal function. Not for general use. Subject to rapid change. 399 */ 400 extern void clnt_rdma_kinit(CLIENT *h, char *proto, void *handle, 401 struct netbuf *addr, struct cred *cred); 402 403 /* 404 * kRPC internal function. Not for general use. Subject to rapid change. 405 */ 406 extern bool_t clnt_dispatch_notify(mblk_t *, zoneid_t); 407 408 /* 409 * kRPC internal function. Not for general use. Subject to rapid change. 410 */ 411 extern bool_t clnt_dispatch_notifyconn(queue_t *, mblk_t *); 412 413 /* 414 * kRPC internal function. Not for general use. Subject to rapid change. 415 */ 416 extern void clnt_dispatch_notifyall(queue_t *, int32_t, int32_t); 417 418 /* 419 * kRPC internal function. Not for general use. Subject to rapid change. 420 */ 421 extern enum clnt_stat clnt_clts_kcallit_addr(CLIENT *, rpcproc_t, xdrproc_t, 422 caddr_t, xdrproc_t, caddr_t, struct timeval, struct netbuf *); 423 424 /* 425 * kRPC internal function. Not for general use. Subject to rapid change. 426 */ 427 extern call_table_t *call_table_init(int); 428 429 /* 430 * kRPC internal function. Not for general use. Subject to rapid change. 431 */ 432 extern void clnt_init(void); 433 434 /* 435 * kRPC internal function. Not for general use. Subject to rapid change. 436 */ 437 extern void clnt_fini(void); 438 439 /* 440 * kRPC internal function. Not for general use. Subject to rapid change. 441 */ 442 extern void clnt_clts_init(void); 443 444 /* 445 * kRPC internal function. Not for general use. Subject to rapid change. 446 */ 447 extern void clnt_clts_fini(void); 448 449 /* 450 * kRPC internal function. Not for general use. Subject to rapid change. 451 */ 452 extern void clnt_cots_init(void); 453 454 /* 455 * kRPC internal function. Not for general use. Subject to rapid change. 456 */ 457 extern void clnt_cots_fini(void); 458 459 /* 460 * kRPC internal function. Not for general use. Subject to rapid change. 461 */ 462 extern void clnt_clts_dispatch_notify(mblk_t *, int, zoneid_t); 463 464 extern void rpc_poptimod(struct vnode *); 465 extern int kstr_push(struct vnode *, char *); 466 extern void t_kadvise(TIUSER *, uchar_t *, int); 467 468 extern boolean_t connmgr_cpr_reset(void *, int); 469 470 extern void put_inet_port(struct netbuf *, ushort_t); 471 extern void put_inet6_port(struct netbuf *, ushort_t); 472 extern void put_loopback_port(struct netbuf *, char *); 473 extern enum clnt_stat rpcbind_getaddr(struct knetconfig *, rpcprog_t, 474 rpcvers_t, struct netbuf *); 475 476 /* 477 * Kstat stuff 478 */ 479 #include <sys/zone.h> 480 481 extern zone_key_t rpcstat_zone_key; 482 483 struct rpc_clts_client; /* unix:0:rpc_clts_client */ 484 struct rpc_clts_server; /* unix:0:rpc_clts_server */ 485 struct rpc_cots_client; /* unix:0:rpc_cots_client */ 486 struct rpc_cots_server; /* unix:0:rpc_cots_server */ 487 488 struct rpcstat { 489 struct rpc_clts_client *rpc_clts_client; 490 struct rpc_clts_server *rpc_clts_server; 491 struct rpc_cots_client *rpc_cots_client; 492 struct rpc_cots_server *rpc_cots_server; 493 }; 494 495 extern kstat_named_t *rpcstat_zone_init_common(zoneid_t, const char *, 496 const char *, const kstat_named_t *, size_t); 497 extern void rpcstat_zone_fini_common(zoneid_t, const char *, const char *); 498 499 extern void clnt_clts_stats_init(zoneid_t, struct rpc_clts_client **); 500 extern void clnt_clts_stats_fini(zoneid_t, struct rpc_clts_client **); 501 502 extern void svc_clts_stats_init(zoneid_t, struct rpc_clts_server **); 503 extern void svc_clts_stats_fini(zoneid_t, struct rpc_clts_server **); 504 505 extern void clnt_cots_stats_init(zoneid_t, struct rpc_cots_client **); 506 extern void clnt_cots_stats_fini(zoneid_t, struct rpc_cots_client **); 507 508 extern void svc_cots_stats_init(zoneid_t, struct rpc_cots_server **); 509 extern void svc_cots_stats_fini(zoneid_t, struct rpc_cots_server **); 510 511 #endif /* _KERNEL */ 512 513 /* 514 * client side rpc interface ops 515 */ 516 517 /* 518 * enum clnt_stat 519 * CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout) 520 * CLIENT *rh; 521 * rpcproc_t proc; 522 * xdrproc_t xargs; 523 * caddr_t argsp; 524 * xdrproc_t xres; 525 * caddr_t resp; 526 * struct timeval timeout; 527 * 528 * PSARC 2003/523 Contract Private Interface 529 * CLNT_CALL 530 * Changes must be reviewed by Solaris File Sharing 531 * Changes must be communicated to contract-2003-523 (at) sun.com 532 */ 533 #define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \ 534 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs)) 535 #define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \ 536 ((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs)) 537 538 #ifndef _KERNEL 539 /* 540 * enum clnt_stat 541 * CLNT_SEND(rh, proc, xargs, argsp) 542 * CLIENT *rh; 543 * rpcproc_t proc; 544 * xdrproc_t xargs; 545 * caddr_t argsp; 546 * 547 * PSARC 2000/428 Contract Private Interface 548 */ 549 #define CLNT_SEND(rh, proc, xargs, argsp) \ 550 ((*(rh)->cl_ops->cl_send)(rh, proc, xargs, argsp)) 551 #define clnt_send(rh, proc, xargs, argsp) \ 552 ((*(rh)->cl_ops->cl_send)(rh, proc, xargs, argsp)) 553 #endif /* !_KERNEL */ 554 555 /* 556 * void 557 * CLNT_ABORT(rh); 558 * CLIENT *rh; 559 */ 560 #define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh)) 561 #define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh)) 562 563 /* 564 * struct rpc_err 565 * CLNT_GETERR(rh); 566 * CLIENT *rh; 567 */ 568 #define CLNT_GETERR(rh, errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp)) 569 #define clnt_geterr(rh, errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp)) 570 571 /* 572 * bool_t 573 * CLNT_FREERES(rh, xres, resp); 574 * CLIENT *rh; 575 * xdrproc_t xres; 576 * caddr_t resp; 577 */ 578 #define CLNT_FREERES(rh, xres, resp) \ 579 ((*(rh)->cl_ops->cl_freeres)(rh, xres, resp)) 580 #define clnt_freeres(rh, xres, resp) \ 581 ((*(rh)->cl_ops->cl_freeres)(rh, xres, resp)) 582 583 /* 584 * bool_t 585 * CLNT_CONTROL(cl, request, info) 586 * CLIENT *cl; 587 * uint_t request; 588 * char *info; 589 * 590 * PSARC 2003/523 Contract Private Interface 591 * CLNT_CONTROL 592 * Changes must be reviewed by Solaris File Sharing 593 * Changes must be communicated to contract-2003-523 (at) sun.com 594 */ 595 #define CLNT_CONTROL(cl, rq, in) ((*(cl)->cl_ops->cl_control)(cl, rq, in)) 596 #define clnt_control(cl, rq, in) ((*(cl)->cl_ops->cl_control)(cl, rq, in)) 597 598 599 /* 600 * control operations that apply to all transports 601 */ 602 #define CLSET_TIMEOUT 1 /* set timeout (timeval) */ 603 #define CLGET_TIMEOUT 2 /* get timeout (timeval) */ 604 #define CLGET_SERVER_ADDR 3 /* get server's address (sockaddr) */ 605 #define CLGET_FD 6 /* get connections file descriptor */ 606 #define CLGET_SVC_ADDR 7 /* get server's address (netbuf) */ 607 #define CLSET_FD_CLOSE 8 /* close fd while clnt_destroy */ 608 #define CLSET_FD_NCLOSE 9 /* Do not close fd while clnt_destroy */ 609 #define CLGET_XID 10 /* Get xid */ 610 #define CLSET_XID 11 /* Set xid */ 611 #define CLGET_VERS 12 /* Get version number */ 612 #define CLSET_VERS 13 /* Set version number */ 613 #define CLGET_PROG 14 /* Get program number */ 614 #define CLSET_PROG 15 /* Set program number */ 615 #define CLSET_SVC_ADDR 16 /* get server's address (netbuf) */ 616 #define CLSET_PUSH_TIMOD 17 /* push timod if not already present */ 617 #define CLSET_POP_TIMOD 18 /* pop timod */ 618 #ifndef _KERNEL 619 /* 00-08-17 - NON STANDARD CONTROL PARAMETER */ 620 #define CLSET_IO_MODE 19 /* clnt_send behavior */ 621 #define CLGET_IO_MODE 20 /* clnt_send behavior */ 622 #define CLSET_FLUSH_MODE 21 /* flush behavior */ 623 #define CLGET_FLUSH_MODE 22 /* flush behavior */ 624 #define CLFLUSH 23 /* flush now (user wants it) */ 625 #define CLSET_CONNMAXREC_SIZE 24 /* set pending request buffer size */ 626 #define CLGET_CONNMAXREC_SIZE 25 /* set pending request buffer size */ 627 #define CLGET_CURRENT_REC_SIZE 26 /* get pending request buffer size */ 628 629 typedef enum { 630 RPC_CL_BESTEFFORT_FLUSH = 100, /* flush as much as possible */ 631 /* without blocking */ 632 RPC_CL_BLOCKING_FLUSH, /* flush the buffer completely */ 633 /* (possibly blocking) */ 634 RPC_CL_DEFAULT_FLUSH /* flush according to the currently */ 635 /* defined policy. */ 636 } rpcflushmode_t; 637 638 639 typedef enum { 640 RPC_CL_BLOCKING = 10, /* PASSED CLNT_CONTROL SET_IO_MODE */ 641 RPC_CL_NONBLOCKING 642 } rpciomode_t; 643 #endif /* !_KERNEL */ 644 /* 645 * Connectionless only control operations 646 */ 647 #define CLSET_RETRY_TIMEOUT 4 /* set retry timeout (timeval) */ 648 #define CLGET_RETRY_TIMEOUT 5 /* get retry timeout (timeval) */ 649 650 #ifdef _KERNEL 651 /* 652 * Connection oriented only control operation. 653 */ 654 #define CLSET_PROGRESS 10000 /* Report RPC_INPROGRESS if a request */ 655 /* has been sent but no reply */ 656 /* received yet. */ 657 #define CLSET_BCAST 10001 /* Set RPC Broadcast hint */ 658 #define CLGET_BCAST 10002 /* Get RPC Broadcast hint */ 659 #define CLSET_NODELAYONERR 10003 /* Set enable/disable of delay on */ 660 /* connection setup error */ 661 #define CLGET_NODELAYONERR 10004 /* Get enable/disable of delay on */ 662 /* connection setup error */ 663 #define CLSET_BINDRESVPORT 10005 /* Set preference for reserve port */ 664 #define CLGET_BINDRESVPORT 10006 /* Get preference for reserve port */ 665 #endif 666 667 /* 668 * void 669 * CLNT_SETTIMERS(rh); 670 * CLIENT *rh; 671 * struct rpc_timers *t; 672 * struct rpc_timers *all; 673 * unsigned int min; 674 * void (*fdbck)(); 675 * caddr_t arg; 676 * uint_t xid; 677 */ 678 #define CLNT_SETTIMERS(rh, t, all, min, fdbck, arg, xid) \ 679 ((*(rh)->cl_ops->cl_settimers)(rh, t, all, min, \ 680 fdbck, arg, xid)) 681 #define clnt_settimers(rh, t, all, min, fdbck, arg, xid) \ 682 ((*(rh)->cl_ops->cl_settimers)(rh, t, all, min, \ 683 fdbck, arg, xid)) 684 685 686 /* 687 * void 688 * CLNT_DESTROY(rh); 689 * CLIENT *rh; 690 * 691 * PSARC 2003/523 Contract Private Interface 692 * CLNT_DESTROY 693 * Changes must be reviewed by Solaris File Sharing 694 * Changes must be communicated to contract-2003-523 (at) sun.com 695 */ 696 #define CLNT_DESTROY(rh) ((*(rh)->cl_ops->cl_destroy)(rh)) 697 #define clnt_destroy(rh) ((*(rh)->cl_ops->cl_destroy)(rh)) 698 699 700 /* 701 * RPCTEST is a test program which is accessable on every rpc 702 * transport/port. It is used for testing, performance evaluation, 703 * and network administration. 704 */ 705 706 #define RPCTEST_PROGRAM ((rpcprog_t)1) 707 #define RPCTEST_VERSION ((rpcvers_t)1) 708 #define RPCTEST_NULL_PROC ((rpcproc_t)2) 709 #define RPCTEST_NULL_BATCH_PROC ((rpcproc_t)3) 710 711 /* 712 * By convention, procedure 0 takes null arguments and returns them 713 */ 714 715 #define NULLPROC ((rpcproc_t)0) 716 717 /* 718 * Below are the client handle creation routines for the various 719 * implementations of client side rpc. They can return NULL if a 720 * creation failure occurs. 721 */ 722 723 #ifndef _KERNEL 724 725 /* 726 * Generic client creation routine. Supported protocols are which belong 727 * to the nettype name space 728 */ 729 #ifdef __STDC__ 730 extern CLIENT * clnt_create(const char *, const rpcprog_t, const rpcvers_t, 731 const char *); 732 /* 733 * 734 * const char *hostname; -- hostname 735 * const rpcprog_t prog; -- program number 736 * const rpcvers_t vers; -- version number 737 * const char *nettype; -- network type 738 */ 739 #else 740 extern CLIENT * clnt_create(); 741 #endif 742 743 /* 744 * Generic client creation routine. Just like clnt_create(), except 745 * it takes an additional timeout parameter. 746 */ 747 #ifdef __STDC__ 748 extern CLIENT * clnt_create_timed(const char *, const rpcprog_t, 749 const rpcvers_t, const char *, const struct timeval *); 750 /* 751 * 752 * const char *hostname; -- hostname 753 * const rpcprog_t prog; -- program number 754 * const rpcvers_t vers; -- version number 755 * const char *nettype; -- network type 756 * const struct timeval *tp; -- timeout 757 */ 758 #else 759 extern CLIENT * clnt_create_timed(); 760 #endif 761 762 /* 763 * Generic client creation routine. Supported protocols are which belong 764 * to the nettype name space. 765 */ 766 #ifdef __STDC__ 767 extern CLIENT * clnt_create_vers(const char *, const rpcprog_t, rpcvers_t *, 768 const rpcvers_t, const rpcvers_t, const char *); 769 /* 770 * const char *host; -- hostname 771 * const rpcprog_t prog; -- program number 772 * rpcvers_t *vers_out; -- servers highest available version number 773 * const rpcvers_t vers_low; -- low version number 774 * const rpcvers_t vers_high; -- high version number 775 * const char *nettype; -- network type 776 */ 777 #else 778 extern CLIENT * clnt_create_vers(); 779 #endif 780 781 /* 782 * Generic client creation routine. Supported protocols are which belong 783 * to the nettype name space. 784 */ 785 #ifdef __STDC__ 786 extern CLIENT * clnt_create_vers_timed(const char *, const rpcprog_t, 787 rpcvers_t *, const rpcvers_t, const rpcvers_t, const char *, 788 const struct timeval *); 789 /* 790 * const char *host; -- hostname 791 * const rpcprog_t prog; -- program number 792 * rpcvers_t *vers_out; -- servers highest available version number 793 * const rpcvers_t vers_low; -- low version number 794 * const prcvers_t vers_high; -- high version number 795 * const char *nettype; -- network type 796 * const struct timeval *tp -- timeout 797 */ 798 #else 799 extern CLIENT * clnt_create_vers_timed(); 800 #endif 801 802 803 /* 804 * Generic client creation routine. It takes a netconfig structure 805 * instead of nettype 806 */ 807 #ifdef __STDC__ 808 extern CLIENT * clnt_tp_create(const char *, const rpcprog_t, const rpcvers_t, 809 const struct netconfig *); 810 /* 811 * const char *hostname; -- hostname 812 * const rpcprog_t prog; -- program number 813 * const rpcvers_t vers; -- version number 814 * const struct netconfig *netconf; -- network config structure 815 */ 816 #else 817 extern CLIENT * clnt_tp_create(); 818 #endif 819 820 /* 821 * Generic client creation routine. Just like clnt_tp_create(), except 822 * it takes an additional timeout parameter. 823 */ 824 #ifdef __STDC__ 825 extern CLIENT * clnt_tp_create_timed(const char *, const rpcprog_t, 826 const rpcvers_t, const struct netconfig *, const struct timeval *); 827 /* 828 * const char *hostname; -- hostname 829 * const rpcprog_t prog; -- program number 830 * const rpcvers_t vers; -- version number 831 * const struct netconfig *netconf; -- network config structure 832 * const struct timeval *tp; -- timeout 833 */ 834 #else 835 extern CLIENT * clnt_tp_create_timed(); 836 #endif 837 838 /* 839 * Generic TLI create routine 840 */ 841 842 #ifdef __STDC__ 843 extern CLIENT * clnt_tli_create(const int, const struct netconfig *, 844 struct netbuf *, const rpcprog_t, const rpcvers_t, const uint_t, 845 const uint_t); 846 /* 847 * const int fd; -- fd 848 * const struct netconfig *nconf; -- netconfig structure 849 * struct netbuf *svcaddr; -- servers address 850 * const rpcprog_t prog; -- program number 851 * const rpcvers_t vers; -- version number 852 * const uint_t sendsz; -- send size 853 * const uint_t recvsz; -- recv size 854 */ 855 856 #else 857 extern CLIENT * clnt_tli_create(); 858 #endif 859 860 /* 861 * Low level clnt create routine for connectionful transports, e.g. tcp. 862 */ 863 #ifdef __STDC__ 864 extern CLIENT * clnt_vc_create(const int, struct netbuf *, 865 const rpcprog_t, const rpcvers_t, const uint_t, const uint_t); 866 /* 867 * const int fd; -- open file descriptor 868 * const struct netbuf *svcaddr; -- servers address 869 * const rpcprog_t prog; -- program number 870 * const rpcvers_t vers; -- version number 871 * const uint_t sendsz; -- buffer recv size 872 * const uint_t recvsz; -- buffer send size 873 */ 874 #else 875 extern CLIENT * clnt_vc_create(); 876 #endif 877 878 /* 879 * Low level clnt create routine for connectionless transports, e.g. udp. 880 */ 881 #ifdef __STDC__ 882 extern CLIENT * clnt_dg_create(const int, struct netbuf *, 883 const rpcprog_t, const rpcvers_t, const uint_t, const uint_t); 884 /* 885 * const int fd; -- open file descriptor 886 * const struct netbuf *svcaddr; -- servers address 887 * const rpcprog_t program; -- program number 888 * const rpcvers_t version; -- version number 889 * const uint_t sendsz; -- buffer recv size 890 * const uint_t recvsz; -- buffer send size 891 */ 892 #else 893 extern CLIENT * clnt_dg_create(); 894 #endif 895 896 /* 897 * Memory based rpc (for speed check and testing) 898 * CLIENT * 899 * clnt_raw_create(prog, vers) 900 * const rpcprog_t prog; -- program number 901 * const rpcvers_t vers; -- version number 902 */ 903 #ifdef __STDC__ 904 extern CLIENT *clnt_raw_create(const rpcprog_t, const rpcvers_t); 905 #else 906 extern CLIENT *clnt_raw_create(); 907 #endif 908 909 /* 910 * Client creation routine over doors transport. 911 */ 912 #ifdef __STDC__ 913 extern CLIENT * clnt_door_create(const rpcprog_t, const rpcvers_t, 914 const uint_t); 915 /* 916 * const rpcprog_t prog; -- program number 917 * const rpcvers_t vers; -- version number 918 * const uint_t sendsz; -- max send size 919 */ 920 #else 921 extern CLIENT * clnt_door_create(); 922 #endif 923 924 /* 925 * internal function. Not for general use. Subject to rapid change. 926 */ 927 #ifdef __STDC__ 928 extern CLIENT *clnt_create_service_timed(const char *, 929 const char *, 930 const rpcprog_t, 931 const rpcvers_t, 932 const ushort_t, 933 const char *, 934 const struct timeval *); 935 #else 936 extern CLIENT *clnt_create_service_timed(); 937 #endif 938 939 /* 940 * Print why creation failed 941 */ 942 #ifdef __STDC__ 943 void clnt_pcreateerror(const char *); /* stderr */ 944 char *clnt_spcreateerror(const char *); /* string */ 945 #else 946 void clnt_pcreateerror(); 947 char *clnt_spcreateerror(); 948 #endif 949 950 /* 951 * Like clnt_perror(), but is more verbose in its output 952 */ 953 #ifdef __STDC__ 954 void clnt_perrno(const enum clnt_stat); /* stderr */ 955 #else 956 void clnt_perrno(); 957 #endif 958 959 /* 960 * Print an error message, given the client error code 961 */ 962 #ifdef __STDC__ 963 void clnt_perror(const CLIENT *, const char *); 964 #else 965 void clnt_perror(); 966 #endif 967 968 /* 969 * If a creation fails, the following allows the user to figure out why. 970 */ 971 struct rpc_createerr { 972 enum clnt_stat cf_stat; 973 struct rpc_err cf_error; /* useful when cf_stat == RPC_PMAPFAILURE */ 974 }; 975 976 #ifdef _REENTRANT 977 extern struct rpc_createerr *__rpc_createerr(); 978 #define rpc_createerr (*(__rpc_createerr())) 979 #else 980 extern struct rpc_createerr rpc_createerr; 981 #endif /* _REENTRANT */ 982 983 /* 984 * The simplified interface: 985 * enum clnt_stat 986 * rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype) 987 * const char *host; 988 * const rpcprog_t prognum; 989 * const rpcvers_t versnum; 990 * const rpcproc_t procnum; 991 * const xdrproc_t inproc, outproc; 992 * const char *in; 993 * char *out; 994 * const char *nettype; 995 */ 996 #ifdef __STDC__ 997 extern enum clnt_stat rpc_call(const char *, const rpcprog_t, const rpcvers_t, 998 const rpcproc_t, const xdrproc_t, const char *, const xdrproc_t, 999 char *, const char *); 1000 #else 1001 extern enum clnt_stat rpc_call(); 1002 #endif 1003 1004 #ifdef _REENTRANT 1005 extern struct rpc_err *__rpc_callerr(); 1006 #define rpc_callerr (*(__rpc_callerr())) 1007 #else 1008 extern struct rpc_err rpc_callerr; 1009 #endif /* _REENTRANT */ 1010 1011 /* 1012 * RPC broadcast interface 1013 * The call is broadcasted to all locally connected nets. 1014 * 1015 * extern enum clnt_stat 1016 * rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp, 1017 * eachresult, nettype) 1018 * const rpcprog_t prog; -- program number 1019 * const rpcvers_t vers; -- version number 1020 * const rpcproc_t proc; -- procedure number 1021 * const xdrproc_t xargs; -- xdr routine for args 1022 * caddr_t argsp; -- pointer to args 1023 * const xdrproc_t xresults; -- xdr routine for results 1024 * caddr_t resultsp; -- pointer to results 1025 * const resultproc_t eachresult; -- call with each result 1026 * const char *nettype; -- Transport type 1027 * 1028 * For each valid response received, the procedure eachresult is called. 1029 * Its form is: 1030 * done = eachresult(resp, raddr, nconf) 1031 * bool_t done; 1032 * caddr_t resp; 1033 * struct netbuf *raddr; 1034 * struct netconfig *nconf; 1035 * where resp points to the results of the call and raddr is the 1036 * address if the responder to the broadcast. nconf is the transport 1037 * on which the response was received. 1038 * 1039 * extern enum clnt_stat 1040 * rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp, 1041 * eachresult, inittime, waittime, nettype) 1042 * const rpcprog_t prog; -- program number 1043 * const rpcvers_t vers; -- version number 1044 * const rpcproc_t proc; -- procedure number 1045 * const xdrproc_t xargs; -- xdr routine for args 1046 * caddr_t argsp; -- pointer to args 1047 * const xdrproc_t xresults; -- xdr routine for results 1048 * caddr_t resultsp; -- pointer to results 1049 * const resultproc_t eachresult; -- call with each result 1050 * const int inittime; -- how long to wait initially 1051 * const int waittime; -- maximum time to wait 1052 * const char *nettype; -- Transport type 1053 */ 1054 1055 typedef bool_t(*resultproc_t)( 1056 #ifdef __STDC__ 1057 caddr_t, 1058 ... /* for backward compatibility */ 1059 #endif /* __STDC__ */ 1060 ); 1061 #ifdef __STDC__ 1062 extern enum clnt_stat rpc_broadcast(const rpcprog_t, const rpcvers_t, 1063 const rpcproc_t, const xdrproc_t, caddr_t, const xdrproc_t, 1064 caddr_t, const resultproc_t, const char *); 1065 extern enum clnt_stat rpc_broadcast_exp(const rpcprog_t, const rpcvers_t, 1066 const rpcproc_t, const xdrproc_t, caddr_t, const xdrproc_t, caddr_t, 1067 const resultproc_t, const int, const int, const char *); 1068 #else 1069 extern enum clnt_stat rpc_broadcast(); 1070 extern enum clnt_stat rpc_broadcast_exp(); 1071 #endif 1072 #endif /* !_KERNEL */ 1073 1074 /* 1075 * Copy error message to buffer. 1076 */ 1077 #ifdef __STDC__ 1078 const char *clnt_sperrno(const enum clnt_stat); 1079 #else 1080 char *clnt_sperrno(); /* string */ 1081 #endif 1082 1083 /* 1084 * Print an error message, given the client error code 1085 */ 1086 #ifdef __STDC__ 1087 char *clnt_sperror(const CLIENT *, const char *); 1088 #else 1089 char *clnt_sperror(); 1090 #endif 1091 1092 /* 1093 * Client side rpc control routine for rpcbind. 1094 */ 1095 #ifdef __STDC__ 1096 bool_t __rpc_control(int, void *); 1097 #else 1098 bool_t __rpc_control(); 1099 #endif 1100 1101 #ifdef __cplusplus 1102 } 1103 #endif 1104 1105 #ifdef PORTMAP 1106 /* For backward compatibility */ 1107 #include <rpc/clnt_soc.h> 1108 #endif 1109 1110 #endif /* !_RPC_CLNT_H */ 1111
Indexes created Wed Feb 10 08:24:22 UTC 2010
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