/*
* ndmpd_worker thread
*
* Parameters:
* argp (input) - structure containing socket and handler function
*
* Returns:
* 0 - successful connection.
* -1 - error.
*/
void *
ndmpd_worker(void *ptarg)
{
int sock;
ndmp_connection_t *connection;
ndmpd_worker_arg_t *argp = (ndmpd_worker_arg_t *)ptarg;
if (!argp)
return ((void *)-1);
NS_INC(trun);
sock = argp->nw_sock;
if ((connection = ndmp_create_connection()) == NULL) {
(void) close(sock);
free(argp);
exit(1);
}
/* initialize auditing session */
if (adt_start_session(&connection->conn_ah, NULL, 0) != 0) {
free(argp);
return ((void *)-1);
}
((ndmp_connection_t *)connection)->conn_sock = sock;
(*argp->nw_con_handler_func)(connection);
(void) adt_end_session(connection->conn_ah);
ndmp_destroy_connection(connection);
NS_DEC(trun);
free(argp);
return (NULL);
}
int
ndmpd_tar_restore_starter(void *arg)
{
ndmpd_module_params_t *mod_params = arg;
int err;
ndmpd_session_t *session;
ndmp_lbr_params_t *nlp;
session = (ndmpd_session_t *)(mod_params->mp_daemon_cookie);
*(mod_params->mp_module_cookie) = nlp = ndmp_get_nlp(session);
ndmp_session_ref(session);
err = ndmpd_tar_restore(session, mod_params, nlp);
MOD_DONE(mod_params, err);
/* nlp_params is allocated in start_recover() */
NDMP_FREE(nlp->nlp_params);
NS_DEC(nrs);
ndmp_session_unref(session);
return (err);
}
/*
* ndmpd_tar_backup_starter (V2 only)
*
* The main backup starter function. It creates a snapshot if necessary
* and calls ndmp_tar_backup to perform the actual backup. It does the cleanup
* and release the snapshot at the end.
*/
int
ndmpd_tar_backup_starter(void *arg)
{
ndmpd_module_params_t *mod_params = arg;
int err;
ndmpd_session_t *session;
ndmp_lbr_params_t *nlp;
session = (ndmpd_session_t *)(mod_params->mp_daemon_cookie);
*(mod_params->mp_module_cookie) = nlp = ndmp_get_nlp(session);
ndmp_session_ref(session);
err = 0;
if (fs_is_chkpntvol(nlp->nlp_backup_path) ||
fs_is_rdonly(nlp->nlp_backup_path) ||
!fs_is_chkpnt_enabled(nlp->nlp_backup_path))
NLP_SET(nlp, NLPF_CHKPNTED_PATH);
else {
NLP_UNSET(nlp, NLPF_CHKPNTED_PATH);
if (ndmp_create_snapshot(nlp->nlp_backup_path,
nlp->nlp_jstat->js_job_name) < 0) {
MOD_LOG(mod_params,
"Error: creating checkpoint on %s\n",
nlp->nlp_backup_path);
/* -1 causes halt reason to become internal error. */
err = -1;
}
}
NDMP_LOG(LOG_DEBUG, "NLPF_CHKPNTED_PATH: %c",
NDMP_YORN(NLP_ISCHKPNTED(nlp)));
NDMP_LOG(LOG_DEBUG, "err: %d, update %c",
err, NDMP_YORN(NLP_SHOULD_UPDATE(nlp)));
if (err == 0) {
err = ndmp_get_cur_bk_time(nlp, &nlp->nlp_cdate,
nlp->nlp_jstat->js_job_name);
if (err != 0) {
NDMP_LOG(LOG_DEBUG, "err %d", err);
} else {
log_bk_params_v2(session, mod_params, nlp);
err = ndmpd_tar_backup(session, mod_params, nlp);
}
}
if (nlp->nlp_bkmap >= 0) {
(void) dbm_free(nlp->nlp_bkmap);
nlp->nlp_bkmap = -1;
}
if (!NLP_ISCHKPNTED(nlp))
(void) ndmp_remove_snapshot(nlp->nlp_backup_path,
nlp->nlp_jstat->js_job_name);
NDMP_LOG(LOG_DEBUG, "err %d, update %c",
err, NDMP_YORN(NLP_SHOULD_UPDATE(nlp)));
if (err == 0 && NLP_SHOULD_UPDATE(nlp)) {
if (ndmpd_put_dumptime(nlp->nlp_backup_path, nlp->nlp_clevel,
nlp->nlp_cdate) < 0) {
err = EPERM;
MOD_LOG(mod_params,
"Error: updating the dumpdates file on %s\n",
nlp->nlp_backup_path);
}
}
MOD_DONE(mod_params, err);
/* nlp_params is allocated in start_backup() */
NDMP_FREE(nlp->nlp_params);
NS_DEC(nbk);
ndmp_session_unref(session);
return (err);
}
