Class: HrrRbSftp::Protocol::Version1::Packet::SSH_FXP_READ

Inherits:
Object
  • Object
show all
Includes:
Common::Packetable
Defined in:
lib/hrr_rb_sftp/protocol/version1/packet/005_ssh_fxp_read.rb

Constant Summary collapse

TYPE = 
5
FORMAT = 
[
  [DataType::Byte,   :"type"      ],
  [DataType::Uint32, :"request-id"],
  [DataType::String, :"handle"    ],
  [DataType::Uint64, :"offset"    ],
  [DataType::Uint32, :"len"       ],
]

Instance Attribute Summary

Attributes included from Loggable

#logger

Instance Method Summary collapse

Methods included from Common::Packetable

#decode, #encode, #initialize

Methods included from Loggable

#log_debug, #log_error, #log_fatal, #log_info, #log_warn

Instance Method Details

#respond_to(request) ⇒ Object 



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# File 'lib/hrr_rb_sftp/protocol/version1/packet/005_ssh_fxp_read.rb', line 18

def respond_to request
  begin
    raise "Specified handle does not exist" unless @handles.has_key?(request[:"handle"])
    file = @handles[request[:"handle"]]
    file.pos = request[:"offset"]
    unless file.eof?
      {
        :"type"          => SSH_FXP_DATA::TYPE,
        :"request-id"    => request[:"request-id"],
        :"data"          => file.read(request[:"len"]),
      }
    else
      {
        :"type"          => SSH_FXP_STATUS::TYPE,
        :"request-id"    => request[:"request-id"],
        :"code"          => SSH_FXP_STATUS::SSH_FX_EOF,
        :"error message" => "End of file",
        :"language tag"  => "",
      }
    end
  rescue => e
    log_error { [e.backtrace[0], ": ", e.message, " (", e.class.to_s, ")\n\t", e.backtrace[1..-1].join("\n\t")].join }
    {
      :"type"          => SSH_FXP_STATUS::TYPE,
      :"request-id"    => request[:"request-id"],
      :"code"          => SSH_FXP_STATUS::SSH_FX_FAILURE,
      :"error message" => e.message,
      :"language tag"  => "",
    }
  end
end