protected virtual void Close()
{
if (RpcCallContext.Current.HasSessionId)
{
RpcSession.KillSession(new Guid(RpcCallContext.Current.SessionId.ToByteArray()));
}
}
public static void KillSession(RpcSession session)
{
if (session == null)
{
return;
}
lock (_sessions)
_sessions.Remove(session._key);
session.Dispose();
}
protected virtual RpcMultiPartResponse MultiPartMessage(RpcMultiPartRequest request, ExtensionRegistry registry)
{
RpcSession session = RpcCallContext.Session;
string messageId = request.TransactionId.ToBase64();
Stream message;
if (!session.TryGetValue(messageId, out message))
{
if (request.CurrentPosition != 0)
{
throw new InvalidDataException("The TransactionId is not valid.");
}
session.Add(messageId, message = CreateStream(request.TotalBytes));
message.SetLength(request.TotalBytes);
}
if (request.MessageStatus == RpcMultiPartRequest.Types.RpcMessageStatus.CANCEL)
{
message.Dispose();
session.Remove(messageId);
return(RpcMultiPartResponse.CreateBuilder().SetContinue(false).Build());
}
if (message.Position != request.CurrentPosition || message.Length != request.TotalBytes ||
request.BytesSent != request.PayloadBytes.Length)
{
throw new InvalidDataException();
}
request.PayloadBytes.WriteTo(message);
if (request.MessageStatus == RpcMultiPartRequest.Types.RpcMessageStatus.COMPLETE)
{
using (message)
{
session.Remove(messageId);
if (message.Position != request.TotalBytes)
{
throw new InvalidDataException();
}
message.Position = 0;
byte[] response =
next.CallMethod(request.MethodName, CodedInputStream.CreateInstance(message), registry).
ToByteArray();
return(RpcMultiPartResponse.CreateBuilder()
.SetResponseBytes(ByteString.CopyFrom(response))
.SetContinue(true)
.Build());
}
}
return(RpcMultiPartResponse.CreateBuilder()
.SetContinue(true)
.Build());
}
public static RpcSession GetSession(Guid sessionId)
{
if (!EnableSessions)
{
throw new InvalidOperationException("Session state disabled.");
}
RpcSession session;
lock (_sessions)
{
if (!_sessions.TryGetValue(sessionId, out session))
{
_sessions.Add(sessionId, session = new RpcSession(sessionId));
}
session._lastUsed = DateTime.Now;
}
return(session);
}