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Terminate DDE process gracefully

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This commit is contained in:
David Rowe 2015-04-15 11:07:00 -07:00
parent 72f9ae3e85
commit 2f970ae962
1 changed files with 4 additions and 2 deletions
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6
interface/src/devices/DdeFaceTracker.cpp
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@ -182,9 +182,10 @@ void DdeFaceTracker::setEnabled(bool enabled) {
_udpSocket.bind(_host, _serverPort);
}
const char* DDE_EXIT_COMMAND = "exit";
if (enabled && !_ddeProcess) {
// Terminate any existing DDE process, perhaps left running after an Interface crash
const char* DDE_EXIT_COMMAND = "exit";
_udpSocket.writeDatagram(DDE_EXIT_COMMAND, DDE_SERVER_ADDR, _controlPort);
qDebug() << "[Info] DDE Face Tracker Starting";
@ -194,7 +195,8 @@ void DdeFaceTracker::setEnabled(bool enabled) {
}
if (!enabled && _ddeProcess) {
_ddeProcess->kill(); // More robust than trying to send an "exit" command to DDE
_udpSocket.writeDatagram(DDE_EXIT_COMMAND, DDE_SERVER_ADDR, _controlPort);
delete _ddeProcess;
_ddeProcess = NULL;
qDebug() << "[Info] DDE Face Tracker Stopped";
}