private void SyncProtocol(string TargetAddress, Tuple <int, int> MyRange, Tuple <int, int> TargetRange)
{
this.MUTEX_V.WaitOne();
this.MUTEX_E.WaitOne();
this.MUTEX_S.WaitOne();
TTransport transport = new TSocket(TargetAddress.Split(':')[0], int.Parse(TargetAddress.Split(':')[1]));
TProtocol protocol = new TBinaryProtocol(transport);
Thrift.TheGraph.Client client = new Thrift.TheGraph.Client(protocol);
transport.Open();
BigInteger floor = Handler.BigIntegerOfNBits(MyRange.Item2); //MAIOR NUMERO POSSIVEL NO RANGE ATUAL, ACIMA DISSO DEVE IR PARA O NOVO SERVER
int stop = this.g.V.Count();
for (int i = 0; i < stop; i++)
{
var v = this.g.V[i];
if (Handler.HASH_MD5(v.Name.ToString()) > floor)
{
Console.WriteLine(string.Format("Enviando vertice {0} e suas arestas para o servidor {1}", v.Name, TargetAddress));
client.copyVertex(v);
foreach (var e in this.g.E.Where(edge => edge.V1 == v.Name || (!edge.Directed && edge.V2 == v.Name)))
{
client.copyEdge(e);
}
this.g.E.RemoveAll(edge => edge.V1 == v.Name || (!edge.Directed && edge.V2 == v.Name));
this.g.V.RemoveAt(i);
stop--;
i--;
}
}
this.servers[MyAddress] = MyRange;
this.servers.Add(TargetAddress, TargetRange);
string message = string.Format("REFRESH|{0}|<{1}, {2}>", MyAddress, MyRange.Item1, MyRange.Item2);
this.SendMessage(message);
message = string.Format("REFRESH|{0}|<{1}, {2}>", TargetAddress, TargetRange.Item1, TargetRange.Item2);
this.SendMessage(message);
this.MUTEX_V.ReleaseMutex();
this.MUTEX_E.ReleaseMutex();
this.MUTEX_S.ReleaseMutex();
}
public void DeadProtocol()
{
this.MUTEX_V.WaitOne();
this.MUTEX_E.WaitOne();
this.MUTEX_S.WaitOne();
var MyRange = this.servers[MyAddress];
var TargetAddress = "";
Tuple <int, int> newRange = Tuple.Create <int, int>(-1, -1);
foreach (string server in this.servers.Keys)
{
if (MyRange.Item2 != LIMIT_BITS_MD5) //RIGHT SHIFT
{
if (this.servers[server].Item1 == MyRange.Item2 + 1)
{
TargetAddress = server;
newRange = Tuple.Create <int, int>(MyRange.Item1, this.servers[server].Item2);
break;
}
}
else //LEFT SHIFT
{
if (this.servers[server].Item2 == MyRange.Item1 - 1)
{
TargetAddress = server;
newRange = Tuple.Create <int, int>(this.servers[server].Item1, LIMIT_BITS_MD5);
break;
}
}
}
if (TargetAddress == string.Empty)
{
Console.WriteLine("Não existe outro servidor disponivel, os dados deste serão perdidos");
return;
}
else
{
Console.WriteLine(string.Format("Novo servidor responsavel: {0}", TargetAddress));
}
string buffer = string.Format("DEAD|{0}|{1}|<{2}, {3}>", TargetAddress, MyAddress, newRange.Item1, newRange.Item2);
SendMessage(buffer);
for (; !buffer.Contains("DEAD_OK|") && buffer.Split('|')[1].Equals(MyAddress); buffer = this.ReceiveMessage())
{
;
}
TTransport transport = new TSocket(TargetAddress.Split(':')[0], int.Parse(TargetAddress.Split(':')[1]));
TProtocol protocol = new TBinaryProtocol(transport);
Thrift.TheGraph.Client client = new Thrift.TheGraph.Client(protocol);
transport.Open();
foreach (var v in this.g.V)
{
Console.WriteLine(string.Format("Enviando vertice {0} para o servidor {1}", v.Name, TargetAddress));
client.copyVertex(v);
}
foreach (var e in this.g.E)
{
Console.WriteLine(string.Format("Enviando aresta {0}-{1}-{2} para o servidor {3}", e.V1, e.V2, e.Directed, TargetAddress));
client.copyEdge(e);
}
buffer = string.Format("REFRESH|{0}|<{1}, {2}>", TargetAddress, newRange.Item1, newRange.Item2);
this.SendMessage(buffer);
buffer = string.Format("REFRESH|{0}|<{1}, {2}>", MyAddress, -1, -1);
this.SendMessage(buffer);
}