irods::error random_get_resc_for_call(
irods::resource_plugin_context& _ctx,
irods::resource_ptr& _resc ) {
irods::error result = SUCCESS();
// =-=-=-=-=-=-=-
// check incoming parameters
irods::error err = random_check_params< DEST_TYPE >( _ctx );
if ( ( result = ASSERT_PASS( err, "Bad resource context." ) ).ok() ) {
// =-=-=-=-=-=-=-
// get the object's name
std::string name;
err = _ctx.prop_map().get< std::string >( irods::RESOURCE_NAME, name );
if ( ( result = ASSERT_PASS( err, "Failed to get property." ) ).ok() ) {
// =-=-=-=-=-=-=-
// get the object's hier string
boost::shared_ptr< DEST_TYPE > dst_obj = boost::dynamic_pointer_cast< DEST_TYPE >( _ctx.fco() );
std::string hier = dst_obj->resc_hier( );
// =-=-=-=-=-=-=-
// get the next child pointer given our name and the hier string
err = get_next_child_in_hier( name, hier, _ctx.child_map(), _resc );
result = ASSERT_PASS( err, "Get next child failed." );
}
}
return result;
} // random_get_resc_for_call
irods::error round_robin_get_resc_for_call(
irods::resource_plugin_context& _ctx,
irods::resource_ptr& _resc ) {
// =-=-=-=-=-=-=-
// check incoming parameters
irods::error err = round_robin_check_params< DEST_TYPE >( _ctx );
if ( !err.ok() ) {
return PASSMSG( "round_robin_get_resc_for_call - bad resource context", err );
}
// =-=-=-=-=-=-=-
// get the object's name
std::string name;
err = _ctx.prop_map().get< std::string >( irods::RESOURCE_NAME, name );
if ( !err.ok() ) {
return PASSMSG( "round_robin_get_resc_for_call - failed to get property 'name'.", err );
}
// =-=-=-=-=-=-=-
// get the object's hier string
boost::shared_ptr< DEST_TYPE > obj = boost::dynamic_pointer_cast< DEST_TYPE >( _ctx.fco() );
std::string hier = obj->resc_hier( );
// =-=-=-=-=-=-=-
// get the next child pointer given our name and the hier string
err = get_next_child_in_hier( name, hier, _ctx.child_map(), _resc );
if ( !err.ok() ) {
return PASSMSG( "round_robin_get_resc_for_call - get_next_child_in_hier failed.", err );
}
return SUCCESS();
} // round_robin_get_resc_for_call
/// =-=-=-=-=-=-=-
/// @brief get the next resource shared pointer given this resources name
/// as well as the file object
irods::error get_next_child_for_open_or_write(
const std::string& _name,
irods::file_object_ptr& _file_obj,
irods::resource_child_map& _cmap,
irods::resource_ptr& _resc ) {
// =-=-=-=-=-=-=-
// set up iteration over physical objects
std::vector< irods::physical_object > objs = _file_obj->replicas();
std::vector< irods::physical_object >::iterator itr = objs.begin();
// =-=-=-=-=-=-=-
// check to see if the replica is in this resource, if one is requested
for ( ; itr != objs.end(); ++itr ) {
// =-=-=-=-=-=-=-
// run the hier string through the parser
irods::hierarchy_parser parser;
parser.set_string( itr->resc_hier() );
// =-=-=-=-=-=-=-
// find this resource in the hier
if ( !parser.resc_in_hier( _name ) ) {
continue;
}
// =-=-=-=-=-=-=-
// if we have a hit, get the resc ptr to the next resc
return get_next_child_in_hier(
_name,
itr->resc_hier(),
_cmap,
_resc );
} // for itr
std::string msg( "no replica found in resc [" );
msg += _name + "]";
return ERROR(
REPLICA_NOT_IN_RESC,
msg );
} // get_next_child_for_open_or_write
