private static void leaveDHT(Container container)
{
if (string.IsNullOrEmpty(DHTServerCtx.DHT.Parent))
{
Console.WriteLine("Left with code 200 - No parent");
return;
}
var client = new RestClient(DHTServerCtx.DHT.Parent);
var requestPath = (RouteAttribute)Attribute.GetCustomAttribute(typeof(LeaveChildDto), typeof(RouteAttribute));
var request = new RestRequest(requestPath.Path, Method.POST);
request.RequestFormat = DataFormat.Json;
var data = new LeaveChildDto {
Child = DHTServerCtx.DHT.Child,
RangeMin = DHTServerCtx.DHT.HashRange.Min.ToString(),
RangeMax = DHTServerCtx.DHT.HashRange.Max.ToString(),
Data = removeFromDb(container)
};
request.AddJsonBody(data);
Console.WriteLine("Sending leave as child request to {0} {1}", client.BaseUrl, requestPath.Path);
RestResponse response = (RestResponse)client.Execute(request);
if (DHTServerCtx.DHT.Parent != DHTServerCtx.DHT.Child)
{
//notify child
leaveMyChild();
}
Console.WriteLine("Left as child with code {0}", response.StatusCode);
}
//server want to leave DHT
public object Post(LeaveChildDto req)
{
DHTServerCtx.DHT.mergeRange (new DHT {
Child = req.Child,
HashRange = new HashRange {
Min = BigInteger.Parse (req.RangeMin),
Max = BigInteger.Parse (req.RangeMax)
}
});
var valueList = req.Data.Select (v => new Value {
Key = v.Key,
Data = v.Data,
Hash = DHTServerCtx.HashFunction.apply (v.Key)
}).ToList ();
Db.InsertAll<Value> (valueList);
log.Info (string.Format ("Old child left (new child {0}), new max range={1}", DHTServerCtx.DHT.Child, DHTServerCtx.DHT.HashRange.Max));
log.Debug (DHTServerCtx.DHT);
return new HttpResult { StatusCode = HttpStatusCode.NoContent };
}