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ctdbd: New control CTDB_CONTROL_GET_RUNSTATE

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Also new client function ctdb_ctrl_get_runstate().

Signed-off-by: Martin Schwenke <martin@meltin.net>

(This used to be ctdb commit dc4220e6f618cc688b3ca8e52bcb3eec6cb55bb1)
This commit is contained in:
Martin Schwenke 2013-05-21 16:18:28 +10:00 committed by Amitay Isaacs
parent 147f6bb4b8
commit 77671b9ef5
4 changed files with 43 additions and 0 deletions
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30
ctdb/client/ctdb_client.c
View File

@ -1654,6 +1654,36 @@ int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode)
return res;
}
int ctdb_ctrl_get_runstate(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
uint32_t *runstate)
{
TDB_DATA outdata;
int32_t res;
int ret;
ret = ctdb_control(ctdb, destnode, 0, CTDB_CONTROL_GET_RUNSTATE, 0,
tdb_null, ctdb, &outdata, &res, &timeout, NULL);
if (ret != 0 || res != 0) {
DEBUG(DEBUG_ERR,("ctdb_control for get_runstate failed\n"));
return ret != 0 ? ret : res;
}
if (outdata.dsize != sizeof(uint32_t)) {
DEBUG(DEBUG_ERR,("Invalid return data in get_runstate\n"));
talloc_free(outdata.dptr);
return -1;
}
if (runstate != NULL) {
*runstate = *(uint32_t *)outdata.dptr;
}
talloc_free(outdata.dptr);
return 0;
}
/*
find the real path to a ltdb
*/

5
ctdb/include/ctdb_client.h
View File

@ -295,6 +295,11 @@ int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t
int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
int ctdb_ctrl_get_runstate(struct ctdb_context *ctdb,
struct timeval timeout,
uint32_t destnode,
uint32_t *runstate);
int ctdb_ctrl_get_config(struct ctdb_context *ctdb);
int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);

1
ctdb/include/ctdb_protocol.h
View File

@ -405,6 +405,7 @@ enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
CTDB_CONTROL_TRAVERSE_ALL_EXT = 135,
CTDB_CONTROL_RECEIVE_RECORDS = 136,
CTDB_CONTROL_IPREALLOCATED = 137,
CTDB_CONTROL_GET_RUNSTATE = 138,
};
/*

7
ctdb/server/ctdb_control.c
View File

@ -207,6 +207,13 @@ static int32_t ctdb_control_dispatch(struct ctdb_context *ctdb,
CHECK_CONTROL_DATA_SIZE(0);
return ctdb->num_clients;
case CTDB_CONTROL_GET_RUNSTATE:
CHECK_CONTROL_DATA_SIZE(0);
outdata->dptr = (uint8_t *)&ctdb->runstate;
outdata->dsize = sizeof(uint32_t);
return 0;
case CTDB_CONTROL_SET_DB_READONLY: {
uint32_t db_id;
struct ctdb_db_context *ctdb_db;