b761211fff
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4494 42af7a65-404d-4744-a932-0658087f49c3
232 lines
7.8 KiB
C
232 lines
7.8 KiB
C
/*
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* copyright (c) 2003
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* the regents of the university of michigan
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* all rights reserved
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*
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* permission is granted to use, copy, create derivative works and redistribute
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* this software and such derivative works for any purpose, so long as the name
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* of the university of michigan is not used in any advertising or publicity
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* pertaining to the use or distribution of this software without specific,
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* written prior authorization. if the above copyright notice or any other
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* identification of the university of michigan is included in any copy of any
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* portion of this software, then the disclaimer below must also be included.
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*
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* this software is provided as is, without representation from the university
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* of michigan as to its fitness for any purpose, and without warranty by the
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* university of michigan of any kind, either express or implied, including
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* without limitation the implied warranties of merchantability and fitness for
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* a particular purpose. the regents of the university of michigan shall not be
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* liable for any damages, including special, indirect, incidental, or
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* consequential damages, with respect to any claim arising out of or in
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* connection with the use of the software, even if it has been or is hereafter
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* advised of the possibility of such damages.
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*/
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _RPCCLNT_H_
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#define _RPCCLNT_H_
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#include <sys/types.h>
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/* for rpcclnt's rc_flags */
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#define RPCCLNT_SOFT 0x001 /* soft mount (hard is details) */
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#define RPCCLNT_INT 0x002 /* allow interrupts on hard mounts */
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#define RPCCLNT_NOCONN 0x004 /* dont connect the socket (udp) */
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#define RPCCLNT_DUMBTIMR 0x010
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/* XXX should be replaced with real locks */
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#define RPCCLNT_SNDLOCK 0x100
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#define RPCCLNT_WANTSND 0x200
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#define RPCCLNT_RCVLOCK 0x400
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#define RPCCLNT_WANTRCV 0x800
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struct rpc_program
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{
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uint32_t prog_id;
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uint32_t prog_version;
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char * prog_name;
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};
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struct rpctask
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{
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dq_entry_t r_chain;
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struct rpcclnt *r_rpcclnt;
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uint32_t r_xid;
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int r_flags; /* flags on request, see below */
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int r_retry; /* max retransmission count */
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int r_rexmit; /* current retrans count */
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int r_timer; /* tick counter on reply */
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int r_procnum; /* NFS procedure number */
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int r_rtt; /* RTT for rpc */
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};
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/* Generic RPC headers */
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struct rpc_auth_info
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{
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uint32_t authtype; /* auth type */
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uint32_t authlen; /* auth length */
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};
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struct auth_unix
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{
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int32_t ua_time;
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int32_t ua_hostname; /* null */
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int32_t ua_uid;
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int32_t ua_gid;
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int32_t ua_gidlist; /* null */
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};
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struct rpc_call
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{
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uint32_t rp_xid; /* request transaction id */
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int32_t rp_direction; /* call direction (0) */
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uint32_t rp_rpcvers; /* rpc version (2) */
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uint32_t rp_prog; /* program */
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uint32_t rp_vers; /* version */
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uint32_t rp_proc; /* procedure */
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struct rpc_auth_info rpc_auth;
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struct auth_unix rpc_unix;
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struct rpc_auth_info rpc_verf;
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};
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struct rpc_reply
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{
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uint32_t rp_xid; /* request transaction id */
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int32_t rp_direction; /* call direction (1) */
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struct
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{
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uint32_t type;
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uint32_t status;
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/* used only when reply == RPC_MSGDENIED and status == RPC_AUTHERR */
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uint32_t autherr;
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/* rpc mismatch info if reply == RPC_MSGDENIED and status == RPC_MISMATCH */
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struct
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{
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uint32_t low;
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uint32_t high;
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} mismatch_info;
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} stat;
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struct rpc_auth_info rpc_verfi;
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};
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/*
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* RPC Client connection context.
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* One allocated on every NFS mount.
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* Holds RPC specific information for mount.
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*/
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/* XXX: please note that all pointer type variables are just set (not copied),
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* so it is up to the user to free these values */
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struct rpcclnt
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{
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int rc_flag; /* For RPCCLNT_* flags */
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int rc_wsize; /* Max size of the request data */
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int rc_rsize; /* Max size of the response data */
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struct sockaddr *rc_name;
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struct socket *rc_so; /* Rpc socket */
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int rc_sotype; /* Type of socket */
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int rc_soproto; /* and protocol */
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int rc_soflags; /* pr_flags for socket protocol */
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int rc_timeo; /* Init timer for NFSMNT_DUMBTIMR */
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int rc_retry; /* Max retries */
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int rc_srtt[4]; /* Timers for rpcs */
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int rc_sdrtt[4];
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int rc_sent; /* Request send count */
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int rc_cwnd; /* Request send window */
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int rc_timeouts; /* Request timeouts */
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int rc_deadthresh; /* Threshold of timeouts-->dead server*/
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/* authentication: */
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/* currently can be RPCAUTH_NULL, RPCAUTH_KERBV4, RPCAUTH_UNIX */
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/* should be kept in XDR form */
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int rc_authtype; /* Authenticator type */
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#ifdef CONFIG_NFS_UNIX_AUTH
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/* RPCAUTH_UNIX*/
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struct rpc_auth_info rc_oldauth; /* authentication */
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#endif
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void *rc_auth;
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struct rpc_program * rc_prog;
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char *rc_servername;
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int rc_proctlen; /* if == 0 then rc_proct == NULL */
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int * rc_proct;
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};
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/*
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void rpcclnt_create(struct rpcclnt ** rpc);
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void rpcclnt_destroy(struct rpcclnt * rpc);
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#define rpcclnt_get(X) rpcclnt_create(&(X))
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#define rpcclnt_put(X) rpcclnt_destroy(X)
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*/
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void rpcclnt_init(void);
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//void rpcclnt_uninit(void);
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int rpcclnt_setup(struct rpcclnt *, struct rpc_program *, struct sockaddr *, int, int, struct rpc_auth_info *, int, int, int);
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int rpcclnt_connect(struct rpcclnt *);
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int rpcclnt_reconnect(struct rpctask *);
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void rpcclnt_disconnect(struct rpcclnt *);
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void rpcclnt_safedisconnect(struct rpcclnt *);
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int rpcclnt_request(struct rpcclnt *, int, struct rpc_reply *);
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int rpcclnt_cancelreqs(struct rpcclnt *);
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#endif /* _RPCCLNT_H_ */
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