/**
* <summary>
* Creates a client facade, tries to connect to remote server, in case
* of success starts reader thread.</summary>
*
* <param name="clientId">Client identifier.</param>
* <param name="srvAddr">Server to connect to.</param>
* <param name="sslCtx">SSL context to use if SSL is enabled, <c>null</c> otherwise.</param>
* <param name="connectTimeout">Connect timeout.</param>
* <param name="marshaller">Marshaller to use in communication.</param>
* <param name="credentials">Client credentials.</param>
* <param name="top">Topology instance.</param>
* <exception cref="IOException">If connection could not be established.</exception>
*/
public GridClientTcpConnection(Guid clientId, IPEndPoint srvAddr, IGridClientSslContext sslCtx, int connectTimeout,
IGridClientMarshaller marshaller, Object credentials, GridClientTopology top)
: base(clientId, srvAddr, sslCtx, credentials, top)
{
this.marshaller = marshaller;
if (connectTimeout <= 0)
{
connectTimeout = (int)SOCK_READ_TIMEOUT.TotalMilliseconds;
}
Dbg.Assert(connectTimeout > 0, "connectTimeout > 0");
int retries = 3;
Exception firstCause = null;
do
{
if (retries-- <= 0)
{
throw new IOException("Cannot open socket for address: " + srvAddr, firstCause);
}
if (tcp != null)
{
Dbg.WriteLine("Connection to address {0} failed, try re-connect", srvAddr);
}
try {
// Create a TCP/IP client socket.
tcp = new TcpClient();
tcp.ReceiveTimeout = connectTimeout;
tcp.SendTimeout = connectTimeout;
// Open connection.
tcp.Connect(srvAddr);
}
catch (Exception x) {
if (firstCause == null)
{
firstCause = x;
}
if (tcp != null && tcp.Connected)
{
tcp.Close();
}
continue;
}
} while (!tcp.Connected);
if (sslCtx == null)
{
stream = tcp.GetStream();
}
else
{
stream = sslCtx.CreateStream(tcp);
lock (stream) {
// Flush client authentication packets (if any).
stream.Flush();
}
}
// Avoid immediate attempt to close by idle.
lastPacketSndTime = lastPacketRcvTime = lastPingSndTime = lastPingRcvTime = U.Now;
rdr = new Thread(readPackets);
rdr.Name = "grid-tcp-connection--client#" + clientId + "--addr#" + srvAddr;
//Dbg.WriteLine("Start thread: " + rdr.Name);
rdr.Start();
}
