int orte_sstore_central_global_register(orte_sstore_base_handle_t handle)
{
int ret, exit_status = ORTE_SUCCESS;
orte_sstore_central_global_snapshot_info_t *handle_info = NULL;
OPAL_OUTPUT_VERBOSE((10, mca_sstore_central_component.super.output_handle,
"sstore:central:(global): register(%d) - Global", handle));
/*
* Lookup the handle
*/
handle_info = find_handle_info(handle);
if( SSTORE_GLOBAL_REG != handle_info->state ) {
handle_info->state = SSTORE_GLOBAL_REG;
} else {
return orte_sstore_central_local_register(handle);
}
orte_sstore_handle_current = handle;
/*
* Associate the metadata
*/
if( handle_info->migrating ) {
if( ORTE_SUCCESS != (ret = metadata_write_int(handle_info,
SSTORE_METADATA_INTERNAL_MIG_SEQ_STR,
handle_info->seq_num)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
} else {
if( ORTE_SUCCESS != (ret = metadata_write_int(handle_info,
SSTORE_METADATA_GLOBAL_SNAP_SEQ_STR,
handle_info->seq_num)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
}
if( ORTE_SUCCESS != (ret = metadata_write_str(handle_info,
SSTORE_METADATA_LOCAL_SNAP_REF_FMT_STR,
orte_sstore_base_local_snapshot_fmt)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
if( ORTE_SUCCESS != (ret = metadata_write_timestamp(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
cleanup:
return exit_status;
}
static int init_local_snapshot_directory(orte_sstore_central_app_snapshot_info_t *handle_info)
{
int ret, exit_status = ORTE_SUCCESS;
mode_t my_mode = S_IRWXU;
/*
* Make the snapshot directory from the uniq_global_snapshot_name
*/
if(OPAL_SUCCESS != (ret = opal_os_dirpath_create(handle_info->local_location, my_mode)) ) {
opal_show_help("help-orte-sstore-central.txt", "fail_path_create", true,
ORTE_NAME_PRINT(ORTE_PROC_MY_NAME),
orte_process_info.nodename,
handle_info->local_location);
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
/*
* Open up the metadata file
*/
if( ORTE_SUCCESS != (ret = metadata_open(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
/*
* Add a timestamp and the PID of this process
*/
if( ORTE_SUCCESS != (ret = metadata_write_timestamp(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
if( ORTE_SUCCESS != (ret = metadata_write_int(handle_info, SSTORE_METADATA_LOCAL_PID_STR, (int)getpid())) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
if( ORTE_SUCCESS != (ret = metadata_close(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
cleanup:
return exit_status;
}
int orte_sstore_central_global_sync(orte_sstore_base_handle_t handle)
{
int ret, exit_status = ORTE_SUCCESS;
orte_sstore_central_global_snapshot_info_t *handle_info = NULL;
OPAL_OUTPUT_VERBOSE((10, mca_sstore_central_component.super.output_handle,
"sstore:central:(global): sync()"));
/*
* Lookup the handle
*/
handle_info = find_handle_info(handle);
if( SSTORE_GLOBAL_SYNCING != handle_info->state ) {
handle_info->state = SSTORE_GLOBAL_SYNCING;
if( ORTE_SNAPC_LOCAL_COORD_TYPE == (orte_snapc_coord_type & ORTE_SNAPC_LOCAL_COORD_TYPE) ) {
return orte_sstore_central_local_sync(handle);
}
}
/*
* Synchronize all of the files
*/
while(handle_info->num_procs_synced < handle_info->num_procs_total) {
opal_progress();
}
/*
* Finalize and close the metadata
*/
if( ORTE_SUCCESS != (ret = metadata_write_timestamp(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
if( handle_info->migrating ) {
if( ORTE_SUCCESS != (ret = metadata_write_int(handle_info,
SSTORE_METADATA_INTERNAL_DONE_MIG_SEQ_STR,
handle_info->seq_num)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
} else {
if( ORTE_SUCCESS != (ret = metadata_write_int(handle_info,
SSTORE_METADATA_INTERNAL_DONE_SEQ_STR,
handle_info->seq_num)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
}
if( ORTE_SUCCESS != (ret = metadata_close(handle_info)) ) {
ORTE_ERROR_LOG(ret);
exit_status = ret;
goto cleanup;
}
/* JJH: We should lock this var! */
if( !handle_info->migrating ) {
orte_sstore_base_is_checkpoint_available = true;
orte_sstore_handle_last_stable = orte_sstore_handle_current;
}
cleanup:
return exit_status;
}