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); }