int RepMgrGSG::init(RepConfigInfo *config)
{
int ret = 0;
app_config = config;
dbenv.set_errfile(stderr);
dbenv.set_errpfx(progname);
dbenv.set_app_private(&app_data);
dbenv.set_event_notify(event_callback);
dbenv.repmgr_set_ack_policy(DB_REPMGR_ACKS_ALL);
DbSite *dbsite;
dbenv.repmgr_site(app_config->this_host.host,
app_config->this_host.port, &dbsite, 0);
dbsite->set_config(DB_LOCAL_SITE, 1);
if (app_config->this_host.creator)
dbsite->set_config(DB_GROUP_CREATOR, 1);
dbsite->close();
int i = 1;
for ( REP_HOST_INFO *cur = app_config->other_hosts;
cur != NULL && i <= app_config->nrsites;
cur = cur->next, i++) {
dbenv.repmgr_site(cur->host, cur->port, &dbsite, 0);
dbsite->set_config(DB_BOOTSTRAP_HELPER, 1);
dbsite->close();
}
dbenv.rep_set_priority(app_config->priority);
// Permanent messages require at least one ack.
dbenv.repmgr_set_ack_policy(DB_REPMGR_ACKS_ONE);
// Give 500 microseconds to receive the ack.
dbenv.rep_set_timeout(DB_REP_ACK_TIMEOUT, 5);
// We can now open our environment, although we're not ready to
// begin replicating. However, we want to have a dbenv around
// so that we can send it into any of our message handlers.
dbenv.set_cachesize(0, CACHESIZE, 0);
dbenv.set_flags(DB_TXN_NOSYNC, 1);
try {
dbenv.open(app_config->home, DB_CREATE | DB_RECOVER |
DB_THREAD | DB_INIT_REP | DB_INIT_LOCK | DB_INIT_LOG |
DB_INIT_MPOOL | DB_INIT_TXN, 0);
} catch(DbException dbe) {
cerr << "Caught an exception during DB environment open." << endl
<< "Ensure that the home directory is created prior to starting"
<< " the application." << endl;
ret = ENOENT;
goto err;
}
if ((ret = dbenv.repmgr_start(3, app_config->start_policy)) != 0)
goto err;
err:
return ret;
}
