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MessageCputime.cpp
64 lines (57 loc) · 1.92 KB
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MessageCputime.cpp
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/*
* Copyright 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 "MessageCputime.h"
MessageObject *MessageCputime::newObject(PdMessage *initMessage, PdGraph *graph) {
return new MessageCputime(initMessage, graph);
}
MessageCputime::MessageCputime(PdMessage *initMessage, PdGraph *graph) : MessageObject(2, 1, graph) {
// nothing to do
}
MessageCputime::~MessageCputime() {
// nothing to do
}
const char *MessageCputime::getObjectLabel() {
return "cputime";
}
void MessageCputime::processMessage(int inletIndex, PdMessage *message) {
switch (inletIndex) {
case 0: {
if (message->isBang(0)) {
gettimeofday(&start, NULL);
}
break;
}
case 1: {
if (message->isBang(0)) {
timeval end;
gettimeofday(&end, NULL);
double elapsedTime = (end.tv_sec - start.tv_sec) * 1000.0; // sec to ms
elapsedTime += (end.tv_usec - start.tv_usec) / 1000.0; // us to ms
PdMessage *outgoingMessage = PD_MESSAGE_ON_STACK(1);
outgoingMessage->initWithTimestampAndFloat(message->getTimestamp(), (float) elapsedTime);
sendMessage(0, outgoingMessage);
}
break;
}
default: break;
}
}