/// <summary>
/// Request topology information.
/// </summary>
/// <returns>Topology version with nodes identifiers.</returns>rns>
private Tuple <long, Guid[]> RequestTopologyInformation(long oldTopVer)
{
Action <ClientRequestContext> writeAction = ctx =>
{
ctx.Stream.WriteLong(oldTopVer);
_projection.Write(ctx.Writer);
};
Func <ClientResponseContext, Tuple <long, Guid[]> > readFunc = ctx =>
{
if (!ctx.Stream.ReadBool())
{
// No topology changes.
return(null);
}
long remoteTopVer = ctx.Stream.ReadLong();
return(Tuple.Create(remoteTopVer, ReadNodeIds(ctx.Reader)));
};
return(DoOutInOp(ClientOp.ClusterGroupGetNodeIds, writeAction, readFunc));
}
/// <summary>
/// Request topology information.
/// </summary>
/// <returns>Topology version with nodes identifiers.</returns>rns>
private Tuple <long, Guid[]> RequestTopologyInformation(long oldTopVer)
{
Action <IBinaryRawWriter> writeAction = writer =>
{
writer.WriteLong(oldTopVer);
_projection.Write(writer);
};
Func <IBinaryRawReader, Tuple <long, Guid[]> > readFunc = reader =>
{
if (!reader.ReadBoolean())
{
// No topology changes.
return(null);
}
long remoteTopVer = reader.ReadLong();
return(Tuple.Create(remoteTopVer, ReadNodeIds(reader)));
};
return(DoOutInOp(ClientOp.ClusterGroupGetNodeIds, writeAction, readFunc));
}