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using System;
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using System.Text;
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using Renci.SshNet.Sftp.Responses;
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namespace Renci.SshNet.Sftp.Requests
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{
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internal class SftpOpenRequest : SftpRequest
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{
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private byte[] _fileName;
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private byte[] _attributes;
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private readonly Action<SftpHandleResponse> _handleAction;
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public override SftpMessageTypes SftpMessageType
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{
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get { return SftpMessageTypes.Open; }
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}
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public string Filename
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{
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get { return Encoding.GetString(_fileName, 0, _fileName.Length); }
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private set { _fileName = Encoding.GetBytes(value); }
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}
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public Flags Flags { get; private set; }
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public SftpFileAttributes Attributes
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{
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get { return SftpFileAttributes.FromBytes(_attributes); }
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private set { _attributes = value.GetBytes(); }
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}
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public Encoding Encoding { get; private set; }
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/// <summary>
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/// Gets the size of the message in bytes.
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/// </summary>
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/// <value>
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/// The size of the messages in bytes.
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/// </value>
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protected override int BufferCapacity
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{
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get
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{
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var capacity = base.BufferCapacity;
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capacity += 4; // FileName length
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capacity += _fileName.Length; // FileName
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capacity += 4; // Flags
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capacity += _attributes.Length; // Attributes
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return capacity;
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}
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}
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public SftpOpenRequest(uint protocolVersion, uint requestId, string fileName, Encoding encoding, Flags flags, Action<SftpHandleResponse> handleAction, Action<SftpStatusResponse> statusAction)
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: this(protocolVersion, requestId, fileName, encoding, flags, SftpFileAttributes.Empty, handleAction, statusAction)
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{
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}
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private SftpOpenRequest(uint protocolVersion, uint requestId, string fileName, Encoding encoding, Flags flags, SftpFileAttributes attributes, Action<SftpHandleResponse> handleAction, Action<SftpStatusResponse> statusAction)
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: base(protocolVersion, requestId, statusAction)
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{
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Encoding = encoding;
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Filename = fileName;
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Flags = flags;
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Attributes = attributes;
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_handleAction = handleAction;
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}
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protected override void LoadData()
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{
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base.LoadData();
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throw new NotSupportedException();
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}
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protected override void SaveData()
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{
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base.SaveData();
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WriteBinaryString(_fileName);
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Write((uint) Flags);
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Write(_attributes);
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}
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public override void Complete(SftpResponse response)
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{
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var handleResponse = response as SftpHandleResponse;
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if (handleResponse != null)
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{
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_handleAction(handleResponse);
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}
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else
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{
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base.Complete(response);
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}
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}
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}
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}
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