//******************************************************************************************************// SendWriteRequest.cs - Gbtc//// Copyright © 2020, Grid Protection Alliance. All Rights Reserved.//// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See// the NOTICE file distributed with this work for additional information regarding copyright ownership.// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this// file except in compliance with the License. You may obtain a copy of the License at://// http://opensource.org/licenses/MIT//// Unless agreed to in writing, the subject software distributed under the License is distributed on an// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the// License for the specific language governing permissions and limitations.//// Code Modification History:// ----------------------------------------------------------------------------------------------------// 05/12/2020 - J. Ritchie Carroll// Generated original version of source code.////****************************************************************************************************** #region [ Contributor License Agreements ] //*******************************************************************************************************//// Code based on the following project:// https://github.com/Callisto82/tftp.net// // Copyright © 2011, Michael Baer////******************************************************************************************************* #endregion using GSF.Net.TFtp.Commands; namespace GSF.Net.TFtp.Transfer.States{ internal class SendWriteRequest : StateWithNetworkTimeout { public override void OnStateEnter() { base.OnStateEnter(); SendRequest(); } private void SendRequest() { WriteRequest request = new WriteRequest(Context.Filename, Context.TransferMode, Context.ProposedOptions.ToOptionList()); SendAndRepeat(request); } public override void OnCommand(ITFtpCommand command, System.Net.EndPoint endpoint) { switch (command) { case OptionAcknowledgement optionAcknowledgement: { TransferOptionSet acknowledged = new TransferOptionSet(optionAcknowledgement.Options); Context.FinishOptionNegotiation(acknowledged); BeginSendingTo(endpoint); break; } case Acknowledgement acknowledgement when acknowledgement.BlockNumber == 0: Context.FinishOptionNegotiation(TransferOptionSet.NewEmptySet()); BeginSendingTo(endpoint); break; case Error error: // The server denied our request Context.SetState(new ReceivedError(error)); break; default: base.OnCommand(command, endpoint); break; } } private void BeginSendingTo(System.Net.EndPoint endpoint) { // Switch to the endpoint that we received from the server Context.GetConnection().RemoteEndpoint = endpoint; // Start sending packets Context.SetState(new Sending()); } public override void OnCancel(TFtpErrorPacket reason) { Context.SetState(new CancelledByUser(reason)); } }}
//******************************************************************************************************
// SendWriteRequest.cs - Gbtc
//
// Copyright © 2020, Grid Protection Alliance. All Rights Reserved.
//
// Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See
// the NOTICE file distributed with this work for additional information regarding copyright ownership.
// The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this
// file except in compliance with the License. You may obtain a copy of the License at:
//
// http://opensource.org/licenses/MIT
//
// Unless agreed to in writing, the subject software distributed under the License is distributed on an
// "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the
// License for the specific language governing permissions and limitations.
//
// Code Modification History:
// ----------------------------------------------------------------------------------------------------
// 05/12/2020 - J. Ritchie Carroll
// Generated original version of source code.
//
//******************************************************************************************************
#region [ Contributor License Agreements ]
//*******************************************************************************************************
//
// Code based on the following project:
// https://github.com/Callisto82/tftp.net
//
// Copyright © 2011, Michael Baer
//
//*******************************************************************************************************
#endregion
using GSF.Net.TFtp.Commands;
namespace GSF.Net.TFtp.Transfer.States
{
internal class SendWriteRequest : StateWithNetworkTimeout
{
public override void OnStateEnter()
{
base.OnStateEnter();
SendRequest();
}
private void SendRequest()
{
WriteRequest request = new WriteRequest(Context.Filename, Context.TransferMode, Context.ProposedOptions.ToOptionList());
SendAndRepeat(request);
}
public override void OnCommand(ITFtpCommand command, System.Net.EndPoint endpoint)
{
switch (command)
{
case OptionAcknowledgement optionAcknowledgement:
{
TransferOptionSet acknowledged = new TransferOptionSet(optionAcknowledgement.Options);
Context.FinishOptionNegotiation(acknowledged);
BeginSendingTo(endpoint);
break;
}
case Acknowledgement acknowledgement when acknowledgement.BlockNumber == 0:
Context.FinishOptionNegotiation(TransferOptionSet.NewEmptySet());
BeginSendingTo(endpoint);
break;
case Error error:
// The server denied our request
Context.SetState(new ReceivedError(error));
break;
default:
base.OnCommand(command, endpoint);
break;
}
}
private void BeginSendingTo(System.Net.EndPoint endpoint)
{
// Switch to the endpoint that we received from the server
Context.GetConnection().RemoteEndpoint = endpoint;
// Start sending packets
Context.SetState(new Sending());
}
public override void OnCancel(TFtpErrorPacket reason)
{
Context.SetState(new CancelledByUser(reason));
}
}
}