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/*
* Copyright 2009,2010,2011 Reality Jockey, Ltd.
* info@rjdj.me
* http://rjdj.me/
*
* This file is part of ZenGarden.
*
* ZenGarden is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ZenGarden is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with ZenGarden. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "MessageRoute.h"
message::Object *MessageRoute::new_object(pd::Message *init_message, PdGraph *graph) {
return new MessageRoute(init_message, graph);
}
MessageRoute::MessageRoute(pd::Message *init_message, PdGraph *graph) :
message::Object(1, init_message->get_num_elements()+1, graph) {
routeMessage = init_message->clone_on_heap();
}
MessageRoute::~MessageRoute() {
routeMessage->free_message();
}
void MessageRoute::process_message(int inlet_index, pd::Message *message) {
int numRouteChecks = routeMessage->get_num_elements();
int outlet_index = numRouteChecks; // by default, send the message out of the right outlet
// find which indicator that message matches
pd::message::Atom *messageAtom = message->get_element(0);
for (int i = 0; i < numRouteChecks; i++) {
if (routeMessage->atom_is_equal_to(i, messageAtom)) {
outlet_index = i;
break;
}
}
if (outlet_index == numRouteChecks) {
// no match found, forward on right oulet
send_message(outlet_index, message);
} else {
// construct a new message to send from the given outlet
int numElements = message->get_num_elements() - 1;
pd::Message *outgoing_message = PD_MESSAGE_ON_STACK(numElements);
outgoing_message->from_timestamp(message->get_timestamp(), numElements);
memcpy(outgoing_message->get_element(0), message->get_element(1), numElements*sizeof(pd::message::Atom));
send_message(outlet_index, outgoing_message);
}
}