public Request(INanoConnection c, byte interfaceId, byte commandId)
{
_connection = c;
MemoryStream = new MemoryStream();
BinaryWriter = new BinaryWriter(MemoryStream);
BinaryWriter.Write(interfaceId);
BinaryWriter.Write(commandId);
}
public static void SetMessage(INanoConnection c, int message)
{
using (var request = new NanoNetworkCommand.Request(c, Interface.InterfaceId, (byte)CommandIds.SetNumber))
{
request.BinaryWriter.Write(message);
}
using (new NanoNetworkCommand.Response(c))
{
}
}
public static int GetNumber(INanoConnection c)
{
using (new NanoNetworkCommand.Request(c, Interface.InterfaceId, (byte)CommandIds.GetNumber))
{
}
using (var response = new NanoNetworkCommand.Response(c))
{
return(response.BinaryReader.ReadInt32());
}
}
public Response(INanoConnection c)
{
byte[] buf;
NN.SetSockOpt(c.Socket, SocketOption.RCVTIMEO, (int)c.ConnectionTimeout.TotalMilliseconds);
if (NN.Recv(c.Socket, out buf, SendRecvFlags.NONE) < 0)
{
throw new NanoNetworkCommandException("Error receiving response");
}
MemoryStream = new MemoryStream(buf);
BinaryReader = new BinaryReader(MemoryStream);
}
public static double AddNumbers(INanoConnection c, double a, double b)
{
using (var request = new NanoNetworkCommand.Request(c, Interface.InterfaceId, (byte)CommandIds.AddNumbers))
{
request.BinaryWriter.Write(a);
request.BinaryWriter.Write(b);
}
using (var response = new NanoNetworkCommand.Response(c))
{
return(response.BinaryReader.ReadDouble());
}
}
public static T RetryUntilNoTimeout <T>(Del <T> del, INanoConnection connection, CloseOpenDelegate closeOpen)
{
while (true)
{
try
{
return(del());
}
catch (Exception e)
{
if (!(e is NanoNetworkCommandException))
{
throw e;
}
// nanomsg should really never get stuck. Arbitrarily wait a bit.
closeOpen(connection);
}
}
}
