/*
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* Status monitor protocol specification
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* Copyright (c) 2010, Oracle America, Inc.
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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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* * Neither the name of the "Oracle America, Inc." nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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program SM_PROG {
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version SM_VERS {
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/* res_stat = stat_succ if status monitor agrees to monitor */
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/* res_stat = stat_fail if status monitor cannot monitor */
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/* if res_stat == stat_succ, state = state number of site sm_name */
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struct sm_stat_res SM_STAT(struct sm_name) = 1;
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/* res_stat = stat_succ if status monitor agrees to monitor */
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/* res_stat = stat_fail if status monitor cannot monitor */
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/* stat consists of state number of local site */
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struct sm_stat_res SM_MON(struct mon) = 2;
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/* stat consists of state number of local site */
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struct sm_stat SM_UNMON(struct mon_id) = 3;
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/* stat consists of state number of local site */
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struct sm_stat SM_UNMON_ALL(struct my_id) = 4;
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void SM_SIMU_CRASH(void) = 5;
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} = 1;
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} = 100024;
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const SM_MAXSTRLEN = 1024;
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struct sm_name {
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string mon_name<SM_MAXSTRLEN>;
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};
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struct my_id {
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string my_name<SM_MAXSTRLEN>; /* name of the site initiating the monitoring request*/
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int my_prog; /* rpc program # of the requesting process */
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int my_vers; /* rpc version # of the requesting process */
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int my_proc; /* rpc procedure # of the requesting process */
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};
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struct mon_id {
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string mon_name<SM_MAXSTRLEN>; /* name of the site to be monitored */
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struct my_id my_id;
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};
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struct mon{
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struct mon_id mon_id;
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opaque priv[16]; /* private information to store at monitor for requesting process */
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};
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/*
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* state # of status monitor monotonically increases each time
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* status of the site changes:
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* an even number (>= 0) indicates the site is down and
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* an odd number (> 0) indicates the site is up;
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*/
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struct sm_stat {
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int state; /* state # of status monitor */
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};
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enum res {
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stat_succ = 0, /* status monitor agrees to monitor */
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stat_fail = 1 /* status monitor cannot monitor */
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};
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struct sm_stat_res {
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res res_stat;
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int state;
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};
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/*
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* structure of the status message sent back by the status monitor
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* when monitor site status changes
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*/
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struct status {
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string mon_name<SM_MAXSTRLEN>;
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int state;
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opaque priv[16]; /* stored private information */
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};
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