|
|
|
|
using System;
|
|
|
|
|
using Renci.SshNet.Sftp.Responses;
|
|
|
|
|
|
|
|
|
|
namespace Renci.SshNet.Sftp.Requests
|
|
|
|
|
{
|
|
|
|
|
internal class SftpReadRequest : SftpRequest
|
|
|
|
|
{
|
|
|
|
|
private readonly Action<SftpDataResponse> _dataAction;
|
|
|
|
|
|
|
|
|
|
public override SftpMessageTypes SftpMessageType
|
|
|
|
|
{
|
|
|
|
|
get { return SftpMessageTypes.Read; }
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public byte[] Handle { get; private set; }
|
|
|
|
|
|
|
|
|
|
public ulong Offset { get; private set; }
|
|
|
|
|
|
|
|
|
|
public uint Length { get; private set; }
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
/// Gets the size of the message in bytes.
|
|
|
|
|
/// </summary>
|
|
|
|
|
/// <value>
|
|
|
|
|
/// The size of the messages in bytes.
|
|
|
|
|
/// </value>
|
|
|
|
|
protected override int BufferCapacity
|
|
|
|
|
{
|
|
|
|
|
get
|
|
|
|
|
{
|
|
|
|
|
var capacity = base.BufferCapacity;
|
|
|
|
|
capacity += 4; // Handle length
|
|
|
|
|
capacity += Handle.Length; // Handle
|
|
|
|
|
capacity += 8; // Offset
|
|
|
|
|
capacity += 4; // Length
|
|
|
|
|
return capacity;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public SftpReadRequest(uint protocolVersion, uint requestId, byte[] handle, UInt64 offset, UInt32 length, Action<SftpDataResponse> dataAction, Action<SftpStatusResponse> statusAction)
|
|
|
|
|
: base(protocolVersion, requestId, statusAction)
|
|
|
|
|
{
|
|
|
|
|
Handle = handle;
|
|
|
|
|
Offset = offset;
|
|
|
|
|
Length = length;
|
|
|
|
|
_dataAction = dataAction;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
protected override void LoadData()
|
|
|
|
|
{
|
|
|
|
|
base.LoadData();
|
|
|
|
|
Handle = ReadBinary();
|
|
|
|
|
Offset = ReadUInt64();
|
|
|
|
|
Length = ReadUInt32();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
protected override void SaveData()
|
|
|
|
|
{
|
|
|
|
|
base.SaveData();
|
|
|
|
|
WriteBinaryString(Handle);
|
|
|
|
|
Write(Offset);
|
|
|
|
|
Write(Length);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public override void Complete(SftpResponse response)
|
|
|
|
|
{
|
|
|
|
|
var dataResponse = response as SftpDataResponse;
|
|
|
|
|
if (dataResponse != null)
|
|
|
|
|
{
|
|
|
|
|
_dataAction(dataResponse);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
base.Complete(response);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|