static int load_quorum_instance(struct corosync_api_v1 *api)
{
const char *error_string;
int res;
error_string = votequorum_init(api, quorum_fn);
if (error_string) {
fprintf(stderr, "Votequorum init failed: %s\n", error_string);
return -1;
}
engine = votequorum_get_service_engine_ver0();
error_string = engine->exec_init_fn(api);
if (error_string) {
fprintf(stderr, "votequorum exec init failed: %s\n", error_string);
return -1;
}
private_data = malloc(engine->private_data_size);
if (!private_data) {
perror("Malloc in child failed");
return -1;
}
res = engine->lib_init_fn(fake_conn);
return res;
}
static char *quorum_exec_init_fn (struct corosync_api_v1 *api)
{
char *quorum_module = NULL;
char *error;
corosync_api = api;
list_init (&lib_trackers_list);
list_init (&internal_trackers_list);
/*
* Tell corosync we have a quorum engine.
*/
api->quorum_initialize(&callins);
/*
* Look for a quorum provider
*/
if (icmap_get_string("quorum.provider", &quorum_module) == CS_OK) {
log_printf (LOGSYS_LEVEL_NOTICE,
"Using quorum provider %s", quorum_module);
error = (char *)"Invalid quorum provider";
if (strcmp (quorum_module, "corosync_votequorum") == 0) {
error = votequorum_init (api, quorum_api_set_quorum);
quorum_type = 1;
}
if (strcmp (quorum_module, "corosync_ykd") == 0) {
error = ykd_init (api, quorum_api_set_quorum);
quorum_type = 1;
}
if (error) {
log_printf (LOGSYS_LEVEL_CRIT,
"Quorum provider: %s failed to initialize.",
quorum_module);
free(quorum_module);
return (error);
}
}
if (quorum_module) {
free(quorum_module);
quorum_module = NULL;
}
/*
* setting quorum_type and primary_designated in the right order is important
* always try to lookup/init a quorum module, then revert back to be quorate
*/
if (quorum_type == 0) {
primary_designated = 1;
}
return (NULL);
}
