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 program SM_PROG { 39 version SM_VERS { 40 /* res_stat = stat_succ if status monitor agrees to monitor */ 41 /* res_stat = stat_fail if status monitor cannot monitor */ 42 /* if res_stat == stat_succ, state = state number of site sm_name */ 43 struct sm_stat_res SM_STAT(struct sm_name) = 1; 44 45 /* res_stat = stat_succ if status monitor agrees to monitor */ 46 /* res_stat = stat_fail if status monitor cannot monitor */ 47 /* stat consists of state number of local site */ 48 struct sm_stat_res SM_MON(struct mon) = 2; 49 50 /* stat consists of state number of local site */ 51 struct sm_stat SM_UNMON(struct mon_id) = 3; 52 53 /* stat consists of state number of local site */ 54 struct sm_stat SM_UNMON_ALL(struct my_id) = 4; 55 56 void SM_SIMU_CRASH(void) = 5; 57 void SM_NOTIFY(struct stat_chge) = 6; 58 59 } = 1; 60 } = 100024; 61 62 const SM_MAXSTRLEN = 1024; 63 64 struct sm_name { 65 string mon_name<SM_MAXSTRLEN>; 66 }; 67 68 struct my_id { 69 string my_name<SM_MAXSTRLEN>; /* name of the site iniates the monitoring request*/ 70 int my_prog; /* rpc program # of the requesting process */ 71 int my_vers; /* rpc version # of the requesting process */ 72 int my_proc; /* rpc procedure # of the requesting process */ 73 }; 74 75 struct mon_id { 76 string mon_name<SM_MAXSTRLEN>; /* name of the site to be monitored */ 77 struct my_id my_id; 78 }; 79 80 81 struct mon{ 82 struct mon_id mon_id; 83 opaque priv[16]; /* private information to store at monitor for requesting process */ 84 }; 85 86 struct stat_chge { 87 string mon_name<SM_MAXSTRLEN>; /* name of the site that had the state change */ 88 int state; 89 }; 90 91 /* 92 * state # of status monitor monitonically increases each time 93 * status of the site changes: 94 * an even number (>= 0) indicates the site is down and 95 * an odd number (> 0) indicates the site is up; 96 */ 97 struct sm_stat { 98 int state; /* state # of status monitor */ 99 }; 100 101 enum sm_res { 102 stat_succ = 0, /* status monitor agrees to monitor */ 103 stat_fail = 1 /* status monitor cannot monitor */ 104 }; 105 106 struct sm_stat_res { 107 sm_res res_stat; 108 int state; 109 }; 110 111 /* 112 * structure of the status message sent back by the status monitor 113 * when monitor site status changes 114 */ 115 struct sm_status { 116 string mon_name<SM_MAXSTRLEN>; 117 int state; 118 opaque priv[16]; /* stored private information */ 119 }; 120