/**
* <summary>
* Tries to send packet over network.</summary>
*
* <param name="msg">Message being sent.</param>
* <exception cref="IOException">If client was closed before message was sent over network.</exception>
*/
private void sendPacket(GridClientRequest msg)
{
try {
byte[] data = marshaller.Marshal(msg);
byte[] size = U.ToBytes(40 + data.Length);
byte[] head = new byte[1 + size.Length + 40 + data.Length];
// Prepare packet.
head[0] = (byte)0x90;
Array.Copy(size, 0, head, 1, 4);
Array.Copy(GridClientUtils.ToBytes(msg.RequestId), 0, head, 5, 8);
Array.Copy(GridClientUtils.ToBytes(msg.ClientId), 0, head, 13, 16);
Array.Copy(GridClientUtils.ToBytes(msg.DestNodeId), 0, head, 29, 16);
Array.Copy(data, 0, head, 45, data.Length);
// Enqueue packet to send.
lock (stream) {
stream.Write(head, 0, head.Length);
stream.Flush();
}
lastPacketSndTime = U.Now;
}
catch (IOException e) {
// In case of IOException we should shutdown the whole client since connection is broken.
Close(false);
throw new GridClientConnectionResetException("Failed to send message over network (will try to " +
"reconnect): " + ServerAddress, e);
}
}
/**
* <summary>
* Makes request to server via tcp protocol and returns a future that will be completed when
* response is received.</summary>
*
* <param name="msg">Message to request,</param>
* <returns>Response object.</returns>
* <exception cref="GridClientConnectionResetException">If request failed.</exception>
* <exception cref="GridClientClosedException">If client was closed.</exception>
*/
private IGridClientFuture <T> makeRequest <T>(GridClientRequest msg)
{
Dbg.Assert(msg != null);
GridClientTcpRequestFuture <T> res = new GridClientTcpRequestFuture <T>(msg);
makeRequest(res);
return(res);
}
/**
* <summary>
* Wraps any request into a protocol message.</summary>
*
* <param name="req">Request service information (headers).</param>
* <param name="bean">Data bean to send.</param>
* <returns>Wrapped message.</returns>
*/
private static ProtoRequest WrapRequest(GridClientRequest req, IMessage bean)
{
var builder = ProtoRequest.CreateBuilder()
//.SetRequestId(req.RequestId)
//.SetClientId(WrapGuid(req.ClientId))
.SetBody(bean.ToByteString());
if (req.SessionToken != null)
{
builder.SetSessionToken(ByteString.CopyFrom(req.SessionToken));
}
return(builder.Build());
}
/**
* <summary>
* Tries to send packet over network.</summary>
*
* <param name="msg">Message being sent.</param>
* <exception cref="IOException">If client was closed before message was sent over network.</exception>
*/
private void sendPacket(GridClientRequest msg)
{
try {
MemoryStream buf = new MemoryStream(1024);
// Header.
buf.WriteByte((byte)0x90);
// Reserve place for size.
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.WriteByte((byte)0);
buf.Write(GridClientUtils.ToBytes(msg.RequestId), 0, 8);
buf.Write(GridClientUtils.ToBytes(msg.ClientId), 0, 16);
buf.Write(GridClientUtils.ToBytes(msg.DestNodeId), 0, 16);
marshaller.Marshal(msg, buf);
int len = (int)buf.Length;
buf.Seek(1, SeekOrigin.Begin);
buf.Write(U.ToBytes(len - 1 - 4), 0, 4);
buf.Position = len;
q.Add(buf);
}
catch (Exception e) {
// In case of Exception we should shutdown the whole client since connection is broken
// and future for this reques will never be completed.
Close(false);
throw new GridClientConnectionResetException("Failed to send message over network (will try to " +
"reconnect): " + ServerAddress, e);
}
}
/**
* <param name="msg">Message to send.</param>
*/
public GridClientTcpRequestFuture(GridClientRequest msg)
{
this.msg = msg;
State = INITIAL;
}
