public Session(PeerSession s, X509Certificate2 nodeCert)
{
logger = new SessionLogger(this);
this.Id = s.Id;
this.Kind = s.Kind;
this.Budget = s.Budget;
this.FromNode = s.FromNode;
this.ToNode = s.ToNode;
this.TaskId = s.TaskId;
this.GuidKey = System.Guid.NewGuid().ToByteArray();
this.Secret = s.Secret;
//myKeyPairCrypto = csp;
cert = nodeCert;
AuthenticatedEvent = new ManualResetEvent(false);
if (this.Kind == SessionType.Store)
{
this.Budget = 0; // bug?? do we have to initialize to 0 when receiving/storing?
// client-side flags are not relevant here since the client data processing is not initialized by the Session.
if (s.Flags.HasFlag(DataProcessingFlags.CChecksum))
{
s.Flags ^= DataProcessingFlags.CChecksum;
}
if (s.Flags.HasFlag(DataProcessingFlags.CCompress))
{
s.Flags ^= DataProcessingFlags.CCompress;
}
if (s.Flags.HasFlag(DataProcessingFlags.CDedup))
{
s.Flags ^= DataProcessingFlags.CDedup;
}
if (s.Flags.HasFlag(DataProcessingFlags.CEncrypt))
{
s.Flags ^= DataProcessingFlags.CEncrypt;
}
this.Flags = s.Flags;
pipeline = new Node.DataProcessing.DataPipeline(Node.DataProcessing.PipelineMode.Read, this.Flags);
logger.Log(Severity.DEBUG, "Creating storage session (" + this.Kind.ToString() + ") with client node #" + this.FromNode.Id + " (" + this.FromNode.IP + ":<UNAVAILABLE>)");
}
else if (this.Kind == SessionType.Backup)
{
this.CryptoKey = System.Guid.NewGuid().ToByteArray();
logger.Log(Severity.DEBUG, "Creating client session #" + this.Id + " with storage node #" + this.ToNode.Id + " (" + this.ToNode.IP + ":" + this.ToNode.ListenPort + ")");
}
}
/// <summary>
/// Connects to client2
/// </summary>
public void Connect()
{
Logger.Append(Severity.DEBUG, "Trying to start connection to node " + this.ToNode.IP + ", port " + this.ToNode.ListenPort);
IPAddress addr = IPAddress.Parse(this.ToNode.IP);
IPEndPoint dest = new IPEndPoint(addr, this.ToNode.ListenPort);
// 1- Opening control socket
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IAsyncResult result = clientSocket.BeginConnect(dest, null, null);
result.AsyncWaitHandle.WaitOne(10000, true); //not connected after 10s means storage node too slow of unavailable
if (!clientSocket.Connected)
{
throw new Exception("Could not connect message socket");
}
// 2- Opening data socket
dataSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
/*if(ConfigManager.GetValue("STDSOCKBUF") == null){
* dataSocket.SendBufferSize = 512*1024; //512k
* }*/
/*else{
* try{
* dataSocket.NoDelay = false;
* clientSocket.SendBufferSize = 0;
* clientSocket.NoDelay = true;
* }
* catch{} // NoDelay doesn't seem to be supported on FreeBSD
* }*/
dataSocket.SendTimeout = 120000;
result = dataSocket.BeginConnect(dest, null, null);
result.AsyncWaitHandle.WaitOne(10000, true);
if (!dataSocket.Connected)
{
throw new Exception("Could not connect data socket");
}
StartListening(false);
SendDigitalSignature();
logger.Log(Severity.INFO, "Opened 1 session with storage node #" + this.ToNode.Id);
}
void Started()
{
SaveSessionData();
SessionLogger.Log(this);
}