static void ext_prog_failed(struct ticket_config *tk,
int start_election)
{
if (!is_manual(tk)) {
/* Give it to somebody else.
* Just send a VOTE_FOR message, so the
* others can start elections. */
if (leader_and_valid(tk)) {
save_committed_tkt(tk);
reset_ticket(tk);
ticket_write(tk);
if (start_election) {
ticket_broadcast(tk, OP_VOTE_FOR, OP_REQ_VOTE, RLT_SUCCESS, OR_LOCAL_FAIL);
}
}
} else {
/* There is not much we can do now because
* the manual ticket cannot be relocated.
* Just warn the user. */
if (tk->leader == local) {
save_committed_tkt(tk);
reset_ticket(tk);
ticket_write(tk);
log_error("external test failed on the specified machine, cannot acquire a manual ticket");
}
}
}
static void start_revoke_ticket(struct ticket_config *tk)
{
tk_log_info("revoking ticket");
save_committed_tkt(tk);
reset_ticket_and_set_no_leader(tk);
ticket_write(tk);
ticket_broadcast(tk, OP_REVOKE, OP_ACK, RLT_SUCCESS, OR_ADMIN);
}
static void ext_prog_failed(struct ticket_config *tk,
int start_election)
{
/* Give it to somebody else.
* Just send a VOTE_FOR message, so the
* others can start elections. */
if (leader_and_valid(tk)) {
save_committed_tkt(tk);
reset_ticket(tk);
ticket_write(tk);
if (start_election) {
ticket_broadcast(tk, OP_VOTE_FOR, OP_REQ_VOTE, RLT_SUCCESS, OR_LOCAL_FAIL);
}
}
}
static void won_elections(struct ticket_config *tk)
{
set_leader(tk, local);
set_state(tk, ST_LEADER);
set_ticket_expiry(tk, tk->term_duration);
time_reset(&tk->election_end);
tk->voted_for = NULL;
if (is_time_set(&tk->delay_commit) && all_sites_replied(tk)) {
time_reset(&tk->delay_commit);
tk_log_debug("reset delay commit as all sites replied");
}
save_committed_tkt(tk);
ticket_broadcast(tk, OP_HEARTBEAT, OP_ACK, RLT_SUCCESS, 0);
tk->ticket_updated = 0;
}
int setup_ticket(void)
{
struct ticket_config *tk;
int i;
foreach_ticket(i, tk) {
reset_ticket(tk);
if (local->type == SITE) {
if (!pcmk_handler.load_ticket(tk)) {
update_ticket_state(tk, NULL);
}
tk->update_cib = 1;
}
tk_log_info("broadcasting state query");
/* wait until all send their status (or the first
* timeout) */
tk->start_postpone = 1;
ticket_broadcast(tk, OP_STATUS, OP_MY_INDEX, RLT_SUCCESS, 0);
}
int new_election(struct ticket_config *tk,
struct booth_site *preference, int update_term, cmd_reason_t reason)
{
struct booth_site *new_leader;
if (local->type != SITE)
return 0;
if ((is_reason(OR_TKT_LOST, tk) || is_reason(OR_STEPDOWN, tk)) &&
check_attr_prereq(tk, GRANT_AUTO)) {
tk_log_info("attribute prerequisite not met, "
"not starting elections");
return 0;
}
/* elections were already started, but not yet finished/timed out */
if (is_time_set(&tk->election_end) && !is_past(&tk->election_end))
return 1;
if (ANYDEBUG) {
int tdiff;
if (is_time_set(&tk->election_end)) {
tdiff = -time_left(&tk->election_end);
tk_log_debug("starting elections, previous finished since " intfmt(tdiff));
} else {
tk_log_debug("starting elections");
}
tk_log_debug("elections caused by %s %s",
state_to_string(reason),
reason == OR_AGAIN ? state_to_string(tk->election_reason) : "" );
}
/* ยง5.2 */
/* If there was _no_ answer, don't keep incrementing the term number
* indefinitely. If there was no peer, there'll probably be no one
* listening now either. However, we don't know if we were
* invoked due to a timeout (caller does).
*/
/* increment the term only if either the current term was
* valid or if there was a tie (in that case update_term > 1)
*/
if ((update_term > 1) ||
(update_term && tk->last_valid_tk &&
tk->last_valid_tk->current_term >= tk->current_term)) {
/* save the previous term, we may need to send out the
* MY_INDEX message */
if (tk->state != ST_CANDIDATE) {
save_committed_tkt(tk);
}
tk->current_term++;
}
set_future_time(&tk->election_end, tk->timeout);
tk->in_election = 1;
tk_log_info("starting new election (term=%d)",
tk->current_term);
clear_election(tk);
if(preference)
new_leader = preference;
else
new_leader = (local->type == SITE) ? local : NULL;
record_vote(tk, local, new_leader);
tk->voted_for = new_leader;
set_state(tk, ST_CANDIDATE);
/* some callers may want just to repeat on timeout */
if (reason == OR_AGAIN) {
reason = tk->election_reason;
} else {
tk->election_reason = reason;
}
ticket_broadcast(tk, OP_REQ_VOTE, OP_VOTE_FOR, RLT_SUCCESS, reason);
add_random_delay(tk);
return 0;
}
