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