public void Release(DrainingNode node)
{
//remove server from waiting list
lock (_lock)
{
_drainingNodes.Remove(node);
}
ThreadPool.QueueUserWorkItem(node.Callback);
}
public bool IsDrained(DrainingNode node)
{
var nodeName = Helpers.GetNodeName(node.Server.Address, _config.TCPPort);
var lastUsed = LoadBalancer.GetNodeLastUsed(_config, nodeName);
var isDrained = (lastUsed > _config.DrainingPeriod);
if (isDrained)
{
node.Server.TraceInfo("Draining finished for node {0} in pool {1}.Timeout: {2} secs, Since Last Used: {3} secs.", nodeName, _config.PoolName, _config.DrainingPeriod, lastUsed);
}
else
{
node.Server.TraceInfo("Still draining node {0} in pool {1}. Timeout: {2} secs, Since Last Used: {3} secs.", nodeName, _config.PoolName, _config.DrainingPeriod, lastUsed);
}
return(isDrained);
}
public void Wait(ServerContext serverContext, WaitCallback callback)
{
var node = Helpers.GetNodeName(serverContext.Address, _config.TCPPort);
//start node draining
LoadBalancer.DrainNode(this._config, node);
serverContext.TraceInfo("Draining started for node {0} in pool {1}. Timeout: {2}.", node, _config.PoolName, _config.DrainingPeriod);
var drainingNode = new DrainingNode()
{
Server = serverContext, Callback = callback
};
//add server to waiting list
lock (_lock)
{
_drainingNodes.Add(drainingNode);
}
}
