void Timer_Tick_DynamicDataUpdate(object state)
{
try
{
bool CarpoolingEnabled = bool.Parse(ConfigurationManager.AppSettings["CarpoolingEnabled"]);
bool TrafficEnabled = bool.Parse(ConfigurationManager.AppSettings["TrafficEnabled"]);
DynamicDataVersion DynamicData = new DynamicDataVersion {
};
CarPoolerDataVersioned CarPoolingTmp = new CarPoolerDataVersioned {
};
TrafficDataVersioned TrafficTmp = new TrafficDataVersioned {
};
/* Get the dynamic data version from the backend web service */
DynamicData = HTTPRequests.getDynamicDataVersionFromBackend(productionRoutingNetwork.MinPoint, productionRoutingNetwork.MaxPoint);
if (DynamicData != null)
{
if (CarpoolingEnabled)
{
/* Carpooling data version */
CarPoolingTmp.Version = new CarpoolerVersion(DynamicData.sites.First().carpooling_info.version,
DynamicData.sites.First().carpooling_info.updated,
DynamicData.sites.First().name,
DynamicData.sites.First().carpooling_info.nightly_version,
DynamicData.sites.First().carpooling_info.nightly_updated);
/* Update the carpooling network */
updateCarpoolingNetwork(CarPoolingTmp);
}
if (TrafficEnabled)
{
/* Traffic data version */
TrafficTmp.Version = new TrafficVersion(DynamicData.sites.First().reports_info.version,
DynamicData.sites.First().reports_info.updated,
DynamicData.sites.First().name);
/* Update the traffic network */
updateTrafficNetwork(TrafficTmp);
}
}
}
finally
{
m_Timer.Change(DynamicDataIntervalTimeRequest, 0);
}
}
void updateTrafficNetwork(TrafficDataVersioned TrafficTmp)
{
TrafficParser TParserTmp = null;
//Just for testing: simulate a new data version
//TrafficTmp.Version.version++;
if ((Program.Traffic.Version != null) && (TrafficTmp.Version != null) &&
(TrafficTmp.Version.version != Program.Traffic.Version.version))
{
log.Info("New Traffic data are available (prevVersion:" + Program.Traffic.Version.version + ", newVersion:" + TrafficTmp.Version.version + ")");
/* Get the traffic reports from the backend web service */
TrafficTmp.TrafficReport = HTTPRequests.getTrafficDataFromBackend(productionRoutingNetwork.MinPoint, productionRoutingNetwork.MaxPoint, productionRoutingNetwork.TrafficPropagationMaxDistance);
/* Get differences between the old version and the new one */
TrafficDiff TrafficDiff = TrafficParser.checkDifferences(Program.Traffic.TrafficReport, TrafficTmp.TrafficReport);
if ((TrafficDiff.ElementsToRemove.Count > 0) || (TrafficDiff.ElementsToAdd.Count > 0))
{
/* Update the network only when there are no pending threads (Monitor.Wait) */
lock (_ActiveWorkersLock)
{
while (_CountOfActiveWorkers > 0)
{
Monitor.Wait(_ActiveWorkersLock);
}
log.Info("Updating the production network with the traffic reports");
/* Remove the OLD Traffic reports from the network */
if (TrafficDiff.ElementsToRemove.Count > 0)
{
log.Info("Removing " + TrafficDiff.ElementsToRemove.Count + " deleted traffic reports from the processNetwork");
int i = 1;
foreach (TrafficReport el in TrafficDiff.ElementsToRemove)
{
productionRoutingNetwork.RemoveTrafficReport(el);
/* Update the original TrafficParser */
Program.TParser.TrafficReport.Remove(el);
i++;
}
log.Info("ProcessNetwork updated! (" + TrafficDiff.ElementsToRemove.Count + " old traffic reports deleted)");
/* Force the network update before processing the next request */
updateRN = true;
}
/* Add the NEW Traffic reports to the network */
if (TrafficDiff.ElementsToAdd.Count > 0)
{
/* Add to each connection the traffic report */
log.Info("Adding the new " + TrafficDiff.ElementsToAdd.Count + " traffic connections to the processNetwork");
TParserTmp = new TrafficParser(productionRoutingNetwork, TrafficDiff.ElementsToAdd);
TParserTmp.UpdateNetworkWithTrafficReport();
/* Update the original TParser and Traffic report classes */
foreach (TrafficReport el in TrafficDiff.ElementsToAdd)
{
Program.TParser.TrafficReport.Add(el);
}
log.Info("Processnetwork updated! (" + TrafficDiff.ElementsToAdd.Count + " new traffic reports added)");
/* Force the network update before processing the next request */
updateRN = true;
}
log.Info("Production network updated with the traffic reports");
}
}
/* If there are no modifications too, just update the version number (this happens for example if the driver quickly
* enable and disable a ride, so the version number changes but the content doesn't)
*/
/* Update the traffic report version */
Program.Traffic.Version = new TrafficVersion(TrafficTmp.Version.version, TrafficTmp.Version.timestampVersion, TrafficTmp.Version.nameSite);
}
else
{
if (TrafficTmp.Version != null)
{
//log.Info("Traffic version not changed: version=" + TrafficTmp.Version.version + " timestamp=" + TrafficTmp.Version.timestampVersion);
}
}
}