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diff --git a/crm/crmd/election.c b/crm/crmd/election.c
index a03c699cad..563b573a00 100644
--- a/crm/crmd/election.c
+++ b/crm/crmd/election.c
@@ -1,312 +1,318 @@
/*
* Copyright (C) 2004 Andrew Beekhof <andrew@beekhof.net>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <portability.h>
#include <heartbeat.h>
#include <crm/cib.h>
#include <crm/msg_xml.h>
#include <crm/common/xml.h>
#include <crm/crm.h>
#include <crmd_fsa.h>
#include <crmd_messages.h>
#include <crmd_callbacks.h>
#include <crm/dmalloc_wrapper.h>
void ghash_count_vote(gpointer key, gpointer value, gpointer user_data);
/* A_ELECTION_VOTE */
enum crmd_fsa_input
do_election_vote(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
gboolean not_voting = FALSE;
xmlNodePtr msg_options = NULL;
/* dont vote if we're in one of these states or wanting to shut down */
switch(cur_state) {
case S_RECOVERY:
case S_STOPPING:
case S_RELEASE_DC:
case S_TERMINATE:
crm_warn("Not voting in election, we're in state %s",
fsa_state2string(cur_state));
not_voting = TRUE;
break;
default:
if(is_set(fsa_input_register, R_SHUTDOWN)) {
crm_warn("Not voting in election,"
" we're shutting down");
not_voting = TRUE;
}
break;
}
if(not_voting == FALSE) {
if(is_set(fsa_input_register, R_STARTING)) {
not_voting = TRUE;
}
}
if(not_voting) {
+ fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_none);
if(AM_I_DC) {
return I_RELEASE_DC;
} else {
return I_NOT_DC;
}
}
msg_options = create_xml_node(NULL, XML_TAG_OPTIONS);
set_xml_property_copy(msg_options, XML_ATTR_VERSION, CRM_VERSION);
send_request(msg_options, NULL, CRM_OP_VOTE,
NULL, CRM_SYSTEM_CRMD, NULL);
startTimer(election_timeout);
return I_NULL;
}
gboolean
do_dc_heartbeat(gpointer data)
{
fsa_timer_t *timer = (fsa_timer_t *)data;
gboolean was_sent = send_request(NULL, NULL, CRM_OP_HBEAT,
NULL, CRM_SYSTEM_CRMD, NULL);
/* crm_debug("#!!#!!# Heartbeat timer just popped!"); */
if(was_sent == FALSE) {
/* this is bad */
stopTimer(timer); /* dont make it go off again */
register_fsa_input(C_HEARTBEAT_FAILED, I_SHUTDOWN, NULL);
s_crmd_fsa(C_HEARTBEAT_FAILED);
}
return TRUE;
}
struct election_data_s
{
const char *winning_uname;
unsigned int winning_bornon;
};
/* A_ELECTION_COUNT */
enum crmd_fsa_input
do_election_count_vote(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
gboolean we_loose = FALSE;
xmlNodePtr vote = (xmlNodePtr)msg_data->data;
enum crmd_fsa_input election_result = I_NULL;
const char *vote_from = xmlGetProp(vote, XML_ATTR_HOSTFROM);
const char *your_version = get_xml_attr(
vote, XML_TAG_OPTIONS, XML_ATTR_VERSION, TRUE);
oc_node_t *our_node = NULL, * your_node = NULL;
struct election_data_s election_data;
if(vote_from == NULL || strcmp(vote_from, fsa_our_uname) == 0) {
/* dont count our own vote */
return election_result;
}
if(fsa_membership_copy == NULL) {
/* if the membership copy is NULL we REALLY shouldnt be voting
* the question is how we managed to get here.
*/
crm_err("Membership copy was NULL");
return I_NULL;
} else if(fsa_membership_copy->members_size < 1) {
/* if even we are not in the cluster then we should not vote */
return I_NULL;
}
our_node = (oc_node_t*)
g_hash_table_lookup(fsa_membership_copy->members, fsa_our_uname);
your_node = (oc_node_t*)
g_hash_table_lookup(fsa_membership_copy->members, vote_from);
if(is_set(fsa_input_register, R_SHUTDOWN)) {
crm_debug("Election fail: we are shutting down");
we_loose = TRUE;
} else if(our_node == NULL) {
crm_debug("Election fail: we dont exist in the CCM list");
we_loose = TRUE;
} else if(your_node == NULL) {
crm_err("The other side doesnt exist in the CCM list");
} else if(compare_version(your_version, CRM_VERSION) > 0) {
crm_debug("Election fail: version");
we_loose = TRUE;
} else if(your_node->node_born_on < our_node->node_born_on) {
crm_debug("Election fail: born_on");
we_loose = TRUE;
} else if(your_node->node_born_on == our_node->node_born_on
&& strcmp(fsa_our_uname, vote_from) > 0) {
crm_debug("Election fail: uname");
we_loose = TRUE;
} else {
election_data.winning_uname = NULL;
election_data.winning_bornon = -1; /* maximum integer */
crm_trace("We might win... we should vote (possibly again)");
election_result = I_ELECTION; /* new "default" */
}
if(we_loose) {
+ fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_none);
if(fsa_input_register & R_THE_DC) {
crm_debug("Give up the DC");
election_result = I_RELEASE_DC;
} else {
crm_debug("We werent the DC anyway");
election_result = I_PENDING;
}
}
return election_result;
}
/* A_ELECT_TIMER_START, A_ELECTION_TIMEOUT */
/* we won */
enum crmd_fsa_input
do_election_timer_ctrl(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
return I_NULL;
}
/* A_DC_TAKEOVER */
enum crmd_fsa_input
do_dc_takeover(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
crm_trace("################## Taking over the DC ##################");
set_bit_inplace(fsa_input_register, R_THE_DC);
crm_verbose("Am I the DC? %s", AM_I_DC?XML_BOOLEAN_YES:XML_BOOLEAN_NO);
crm_free(fsa_our_dc);
fsa_our_dc = crm_strdup(fsa_our_uname);
+ fsa_cib_conn->cmds->set_master(fsa_cib_conn, cib_none);
+
set_bit_inplace(fsa_input_register, R_JOIN_OK);
set_bit_inplace(fsa_input_register, R_INVOKE_PE);
clear_bit_inplace(fsa_input_register, R_CIB_DONE);
clear_bit_inplace(fsa_input_register, R_HAVE_CIB);
startTimer(dc_heartbeat);
return I_NULL;
}
/* A_DC_RELEASE */
enum crmd_fsa_input
do_dc_release(long long action,
enum crmd_fsa_cause cause,
enum crmd_fsa_state cur_state,
enum crmd_fsa_input current_input,
fsa_data_t *msg_data)
{
enum crmd_fsa_input result = I_NULL;
crm_trace("################## Releasing the DC ##################");
stopTimer(dc_heartbeat);
if(action & A_DC_RELEASE) {
clear_bit_inplace(fsa_input_register, R_THE_DC);
/* get a new CIB from the new DC */
clear_bit_inplace(fsa_input_register, R_HAVE_CIB);
} else if (action & A_DC_RELEASED) {
+ fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_none);
if(cur_state == S_STOPPING) {
result = I_SHUTDOWN; /* necessary? */
result = I_RELEASE_SUCCESS;
}
#if 0
else if( are there errors ) {
/* we cant stay up if not healthy */
/* or perhaps I_ERROR and go to S_RECOVER? */
result = I_SHUTDOWN;
}
#endif
- else
+ else {
result = I_RELEASE_SUCCESS;
-
+ }
+
} else {
crm_err("Warning, do_dc_release invoked for action %s",
fsa_action2string(action));
}
crm_verbose("Am I still the DC? %s", AM_I_DC?XML_BOOLEAN_YES:XML_BOOLEAN_NO);
return result;
}
void
ghash_count_vote(gpointer key, gpointer value, gpointer user_data)
{
struct election_data_s *election_data =
(struct election_data_s *)user_data;
oc_node_t *cur_node = (oc_node_t*)value;
const char *node_uname = (const char*)key;
if(election_data->winning_bornon > cur_node->node_born_on) {
election_data->winning_uname = node_uname;
election_data->winning_bornon = cur_node->node_born_on;
} else if(election_data->winning_bornon == cur_node->node_born_on
&& (election_data->winning_uname == NULL
|| strcmp(election_data->winning_uname, node_uname) > 0)) {
election_data->winning_uname = node_uname;
election_data->winning_bornon = cur_node->node_born_on;
}
}

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