1 /*- 2 * Copyright (c) 2010, Oracle America, Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following 12 * disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * * Neither the name of the "Oracle America, Inc." nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 23 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 28 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Status monitor protocol specification 34 * Copyright (C) 1986 Sun Microsystems, Inc. 35 * 36 */ 37 38 #ifndef RPC_HDR 39 %#include <sys/cdefs.h> 40 #endif 41 42 program SM_PROG { 43 version SM_VERS { 44 /* res_stat = stat_succ if status monitor agrees to monitor */ 45 /* res_stat = stat_fail if status monitor cannot monitor */ 46 /* if res_stat == stat_succ, state = state number of site sm_name */ 47 struct sm_stat_res SM_STAT(struct sm_name) = 1; 48 49 /* res_stat = stat_succ if status monitor agrees to monitor */ 50 /* res_stat = stat_fail if status monitor cannot monitor */ 51 /* stat consists of state number of local site */ 52 struct sm_stat_res SM_MON(struct mon) = 2; 53 54 /* stat consists of state number of local site */ 55 struct sm_stat SM_UNMON(struct mon_id) = 3; 56 57 /* stat consists of state number of local site */ 58 struct sm_stat SM_UNMON_ALL(struct my_id) = 4; 59 60 void SM_SIMU_CRASH(void) = 5; 61 void SM_NOTIFY(struct stat_chge) = 6; 62 63 } = 1; 64 } = 100024; 65 66 const SM_MAXSTRLEN = 1024; 67 68 struct sm_name { 69 string mon_name<SM_MAXSTRLEN>; 70 }; 71 72 struct my_id { 73 string my_name<SM_MAXSTRLEN>; /* name of the site iniates the monitoring request*/ 74 int my_prog; /* rpc program # of the requesting process */ 75 int my_vers; /* rpc version # of the requesting process */ 76 int my_proc; /* rpc procedure # of the requesting process */ 77 }; 78 79 struct mon_id { 80 string mon_name<SM_MAXSTRLEN>; /* name of the site to be monitored */ 81 struct my_id my_id; 82 }; 83 84 85 struct mon{ 86 struct mon_id mon_id; 87 opaque priv[16]; /* private information to store at monitor for requesting process */ 88 }; 89 90 struct stat_chge { 91 string mon_name<SM_MAXSTRLEN>; /* name of the site that had the state change */ 92 int state; 93 }; 94 95 /* 96 * state # of status monitor monitonically increases each time 97 * status of the site changes: 98 * an even number (>= 0) indicates the site is down and 99 * an odd number (> 0) indicates the site is up; 100 */ 101 struct sm_stat { 102 int state; /* state # of status monitor */ 103 }; 104 105 enum sm_res { 106 stat_succ = 0, /* status monitor agrees to monitor */ 107 stat_fail = 1 /* status monitor cannot monitor */ 108 }; 109 110 struct sm_stat_res { 111 sm_res res_stat; 112 int state; 113 }; 114 115 /* 116 * structure of the status message sent back by the status monitor 117 * when monitor site status changes 118 */ 119 struct sm_status { 120 string mon_name<SM_MAXSTRLEN>; 121 int state; 122 opaque priv[16]; /* stored private information */ 123 }; 124