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For example to change the advised speed sending from RSU to vehicles, you will find it in community-demo-app/src/application-logic.cpp
vector
ApplicationLogic::SendBackExecutionResults(int senderId, int timestep)
{
vector results;

if (timestep >= m_appStartTimeStep && senderId == 5000) {
// Loop vehicles in the area, one message per vehicle
for (vector::const_iterator it = m_vehiclesInArea.begin() ; it != m_vehiclesInArea.end() ; it++) {
AppMessage message;
message.messageId = ++m_messageCounter;
message.status = kToBeScheduled;
message.senderId = senderId;
message.destinationId = (*it).id;
message.createdTimeStep = timestep;
//message.payloadValue = (*it).speed + 10;
message.payloadValue = 0; //here you can change the advised speed
m_messages.push_back(message);
}

// Keep in safe place all the results to send back to the iCS
results = m_messages;

// Loop current messages to find those to be applied and erase from the result record
for (vector::iterator it = m_messages.begin() ; it != m_messages.end() ; it++) {
if ((*it).status == kToBeApplied) {
m_messages.erase(it); // The value will be applied so there is no need to have it registered any longer
}
}
}

return results;
}

sudo ./configure –with-fox-libraries=/usr/lib --with-fox-
includes=/usr/include/fox-1.6 --with-gdal-libraries=/usr/lib --with-
gdal-includes=/usr/include/gdal --with-proj-libraries=/usr --with-
geographic=/usr/local/lib –-with-geographic-
includes=/usr/local/include/GeographicLib --with-xerces=/usr/local/lib
-–with-xerces-includes=/usr/local/include/xercesc LIBS='-L/usr/local/lib -lxerces-c'

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STEP 4 - SETUP PHASE
^CiCS --> #Error while receiving response from Application: tcpip::Socket::receive() @ recv: Connection reset by peer
iCS --> Error occurred when asking for new subscriptions (node 5000)
iCS --> [ERROR] RunApplicationLogic() in NewSubscriptions.
iCS --> ERROR running application logic in setup phase

iCS --> #Error while receiving command: tcpip::Socket::receive() @ recv: Connection reset by peer
iCS --> [ERROR] CloseSumo() Closing SUMO
iCS --> Error occurred during iCS set-up
Quitting (on error).
I don't know the source of the problem (I am a beginner :)) )

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