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ctdb-protocol: Add CTDB_SRVID_LEADER

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CTDB_SRVID_LEADER will be regularly broadcast to all connected nodes
by the leader.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This commit is contained in:
Martin Schwenke 2020-03-16 16:05:29 +11:00 committed by Martin Schwenke
parent c2cfd9c21a
commit 3d3767a259
6 changed files with 21 additions and 1 deletions
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5
ctdb/protocol/protocol.h
View File

@ -128,6 +128,9 @@ struct ctdb_call {
/* SRVID to inform of election data */
#define CTDB_SRVID_ELECTION 0xF100000000000000LL
/* SRVID for broadcasting leader */
#define CTDB_SRVID_LEADER 0xF101000000000000LL
/* SRVID to inform clients that the cluster has been reconfigured */
#define CTDB_SRVID_RECONFIGURE 0xF200000000000000LL
@ -998,7 +1001,7 @@ union ctdb_message_data {
uint32_t db_id;
/* SRVID_MEM_DUMP, SRVID_TAKEOVER_RUN */
struct ctdb_srvid_message *msg;
/* SRVID_BANNING, SRVID_REBALANCE_NODE */
/* SRVID_BANNING, SRVID_REBALANCE_NODE, SRVID_LEADER */
uint32_t pnn;
/* SRVID_DISABLE_TAKEOVER_RUNS, SRVID_DISABLE_RECOVERIES */
struct ctdb_disable_message *disable;

12
ctdb/protocol/protocol_message.c
View File

@ -42,6 +42,10 @@ static size_t ctdb_message_data_len(union ctdb_message_data *mdata,
len = ctdb_election_message_len(mdata->election);
break;
case CTDB_SRVID_LEADER:
len = ctdb_uint32_len(&mdata->pnn);
break;
case CTDB_SRVID_RECONFIGURE:
break;
@ -129,6 +133,10 @@ static void ctdb_message_data_push(union ctdb_message_data *mdata,
ctdb_election_message_push(mdata->election, buf, &np);
break;
case CTDB_SRVID_LEADER:
ctdb_uint32_push(&mdata->pnn, buf, &np);
break;
case CTDB_SRVID_RECONFIGURE:
break;
@ -219,6 +227,10 @@ static int ctdb_message_data_pull(uint8_t *buf, size_t buflen,
&mdata->election, &np);
break;
case CTDB_SRVID_LEADER:
ret = ctdb_uint32_pull(buf, buflen, &mdata->pnn, &np);
break;
case CTDB_SRVID_RECONFIGURE:
break;

1
ctdb/tests/UNIT/cunit/protocol_test_101.sh
View File

@ -14,6 +14,7 @@ generate_control_output ()
srvid_list="\
f002000000000000 \
f100000000000000 \
f101000000000000 \
f200000000000000 \
f300000000000000 \
f301000000000000 \

2
ctdb/tests/src/protocol_common_ctdb.c
View File

@ -1818,6 +1818,7 @@ void fill_ctdb_message_data(TALLOC_CTX *mem_ctx, union ctdb_message_data *md,
fill_ctdb_srvid_message(md->msg, md->msg);
break;
case CTDB_SRVID_LEADER:
case CTDB_SRVID_BANNING:
case CTDB_SRVID_REBALANCE_NODE:
md->pnn = rand32();
@ -1881,6 +1882,7 @@ void verify_ctdb_message_data(union ctdb_message_data *md,
verify_ctdb_srvid_message(md->msg, md2->msg);
break;
case CTDB_SRVID_LEADER:
case CTDB_SRVID_BANNING:
case CTDB_SRVID_REBALANCE_NODE:
assert(md->pnn == md2->pnn);

1
ctdb/tests/src/protocol_ctdb_compat_test.c
View File

@ -1218,6 +1218,7 @@ int main(int argc, char *argv[])
uint64_t test_srvid[] = {
CTDB_SRVID_BANNING,
CTDB_SRVID_ELECTION,
CTDB_SRVID_LEADER,
CTDB_SRVID_RECONFIGURE,
CTDB_SRVID_RELEASE_IP,
CTDB_SRVID_TAKE_IP,

1
ctdb/tests/src/protocol_ctdb_test.c
View File

@ -310,6 +310,7 @@ int main(int argc, char *argv[])
uint64_t test_srvid[] = {
CTDB_SRVID_BANNING,
CTDB_SRVID_ELECTION,
CTDB_SRVID_LEADER,
CTDB_SRVID_RECONFIGURE,
CTDB_SRVID_RELEASE_IP,
CTDB_SRVID_TAKE_IP,