| /* @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC */ |
| /* @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro */ |
| |
| /* |
| * Network lock manager protocol definition |
| * Copyright (C) 1986 Sun Microsystems, Inc. |
| * |
| * protocol used between local lock manager and remote lock manager |
| */ |
| |
| #ifdef RPC_CLNT |
| %#include <string.h> |
| #endif |
| |
| #ifdef RPC_HDR |
| %#define LM_MAXSTRLEN 1024 |
| %#define MAXNAMELEN LM_MAXSTRLEN+1 |
| #endif |
| |
| /* |
| * status of a call to the lock manager |
| */ |
| enum nlm_stats { |
| nlm_granted = 0, |
| nlm_denied = 1, |
| nlm_denied_nolocks = 2, |
| nlm_blocked = 3, |
| nlm_denied_grace_period = 4 |
| }; |
| |
| struct nlm_holder { |
| bool exclusive; |
| int svid; |
| netobj oh; |
| unsigned l_offset; |
| unsigned l_len; |
| }; |
| |
| union nlm_testrply switch (nlm_stats stat) { |
| case nlm_denied: |
| struct nlm_holder holder; |
| default: |
| void; |
| }; |
| |
| struct nlm_stat { |
| nlm_stats stat; |
| }; |
| |
| struct nlm_res { |
| netobj cookie; |
| nlm_stat stat; |
| }; |
| |
| struct nlm_testres { |
| netobj cookie; |
| nlm_testrply stat; |
| }; |
| |
| struct nlm_lock { |
| string caller_name<LM_MAXSTRLEN>; |
| netobj fh; /* identify a file */ |
| netobj oh; /* identify owner of a lock */ |
| int svid; /* generated from pid for svid */ |
| unsigned l_offset; |
| unsigned l_len; |
| }; |
| |
| struct nlm_lockargs { |
| netobj cookie; |
| bool block; |
| bool exclusive; |
| struct nlm_lock alock; |
| bool reclaim; /* used for recovering locks */ |
| int state; /* specify local status monitor state */ |
| }; |
| |
| struct nlm_cancargs { |
| netobj cookie; |
| bool block; |
| bool exclusive; |
| struct nlm_lock alock; |
| }; |
| |
| struct nlm_testargs { |
| netobj cookie; |
| bool exclusive; |
| struct nlm_lock alock; |
| }; |
| |
| struct nlm_unlockargs { |
| netobj cookie; |
| struct nlm_lock alock; |
| }; |
| |
| |
| #ifdef RPC_HDR |
| %/* |
| % * The following enums are actually bit encoded for efficient |
| % * boolean algebra.... DON'T change them..... |
| % */ |
| #endif |
| enum fsh_mode { |
| fsm_DN = 0, /* deny none */ |
| fsm_DR = 1, /* deny read */ |
| fsm_DW = 2, /* deny write */ |
| fsm_DRW = 3 /* deny read/write */ |
| }; |
| |
| enum fsh_access { |
| fsa_NONE = 0, /* for completeness */ |
| fsa_R = 1, /* read only */ |
| fsa_W = 2, /* write only */ |
| fsa_RW = 3 /* read/write */ |
| }; |
| |
| struct nlm_share { |
| string caller_name<LM_MAXSTRLEN>; |
| netobj fh; |
| netobj oh; |
| fsh_mode mode; |
| fsh_access access; |
| }; |
| |
| struct nlm_shareargs { |
| netobj cookie; |
| nlm_share share; |
| bool reclaim; |
| }; |
| |
| struct nlm_shareres { |
| netobj cookie; |
| nlm_stats stat; |
| int sequence; |
| }; |
| |
| struct nlm_notify { |
| string name<MAXNAMELEN>; |
| long state; |
| }; |
| |
| /* |
| * Over-the-wire protocol used between the network lock managers |
| */ |
| |
| program NLM_PROG { |
| version NLM_VERS { |
| |
| nlm_testres NLM_TEST(struct nlm_testargs) = 1; |
| |
| nlm_res NLM_LOCK(struct nlm_lockargs) = 2; |
| |
| nlm_res NLM_CANCEL(struct nlm_cancargs) = 3; |
| nlm_res NLM_UNLOCK(struct nlm_unlockargs) = 4; |
| |
| /* |
| * remote lock manager call-back to grant lock |
| */ |
| nlm_res NLM_GRANTED(struct nlm_testargs)= 5; |
| /* |
| * message passing style of requesting lock |
| */ |
| void NLM_TEST_MSG(struct nlm_testargs) = 6; |
| void NLM_LOCK_MSG(struct nlm_lockargs) = 7; |
| void NLM_CANCEL_MSG(struct nlm_cancargs) =8; |
| void NLM_UNLOCK_MSG(struct nlm_unlockargs) = 9; |
| void NLM_GRANTED_MSG(struct nlm_testargs) = 10; |
| void NLM_TEST_RES(nlm_testres) = 11; |
| void NLM_LOCK_RES(nlm_res) = 12; |
| void NLM_CANCEL_RES(nlm_res) = 13; |
| void NLM_UNLOCK_RES(nlm_res) = 14; |
| void NLM_GRANTED_RES(nlm_res) = 15; |
| } = 1; |
| |
| version NLM_VERSX { |
| nlm_shareres NLM_SHARE(nlm_shareargs) = 20; |
| nlm_shareres NLM_UNSHARE(nlm_shareargs) = 21; |
| nlm_res NLM_NM_LOCK(nlm_lockargs) = 22; |
| void NLM_FREE_ALL(nlm_notify) = 23; |
| } = 3; |
| |
| } = 100021; |
| |