private void ServiceTracker_OnStatusChange(object sender, ServiceStatusEventArgs args)
{
// If it's a manager service, and the new status is UP
if (args.ServiceType == ServiceType.Manager &&
args.NewStatus == ServiceStatus.Up) {
// Init and load all pending paths,
ProcessInitQueue();
LoadAllPendingPaths();
}
// If it's a root service, and the new status is UP
if (args.ServiceType == ServiceType.Root) {
if (args.NewStatus == ServiceStatus.Up) {
// Load all pending paths,
LoadAllPendingPaths();
}
// If a root server went down,
else if (args.NewStatus == ServiceStatus.DownShutdown ||
args.NewStatus == ServiceStatus.DownClientReport ||
args.NewStatus == ServiceStatus.DownHeartbeat) {
// Scan the paths managed by this root server and desynchronize
// any not connected to a majority of servers.
DesyncPathsDependentOn(address);
}
}
}
private void TrackerOnStatusChange(object sender, ServiceStatusEventArgs args)
{
if (args.ServiceType == ServiceType.Manager) {
// If we detected that a manager is now available,
if (args.NewStatus == ServiceStatus.Up) {
// If this is not connected, initialize,
if (!connected) {
Initialize();
} else {
// Retry any pending messages on this service,
comm.RetryMessagesFor(address);
}
} else if (args.NewStatus != ServiceStatus.Up) {
// If it's connected,
if (connected) {
int clusterSize;
lock (cluster) {
clusterSize = cluster.Count;
}
// Set connected to false if availability check fails,
CheckClusterAvailability(clusterSize);
}
}
// If a manager server goes down,
}
}