66 lines
1.4 KiB
Ruby
66 lines
1.4 KiB
Ruby
# encoding: utf-8
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require 'socket'
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require "timeout"
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require 'flexnbd/constants'
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module FlexNBD
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module FakeSource
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def connect( addr, port, err_msg, source_addr=nil, source_port=0 )
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timing_out( 2, err_msg ) do
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TCPSocket.new( addr, port, source_addr, source_port )
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end
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end
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def read_hello( client_sock )
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timing_out( FlexNBD::MS_HELLO_TIME_SECS,
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"Timed out waiting for hello." ) do
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fail "No hello." unless (hello = client_sock.read( 152 )) &&
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hello.length==152
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hello
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end
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end
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def write_write_request( client_sock, from, len, handle )
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fail "Bad handle" unless handle.length == 8
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client_sock.write( "\x25\x60\x95\x13" )
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client_sock.write( "\x00\x00\x00\x01" )
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client_sock.write( handle )
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client_sock.write( "\x0"*4 )
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client_sock.write( [from].pack( 'N' ) )
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client_sock.write( [len ].pack( 'N' ) )
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end
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def read_response( client_sock )
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magic = client_sock.read(4)
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error_s = client_sock.read(4)
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handle = client_sock.read(8)
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{
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:magic => magic,
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:error => error_s.unpack("N"),
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:handle => handle
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}
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end
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def timing_out( time, msg )
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begin
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Timeout.timeout( time ) do
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yield
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end
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rescue Timeout::Error
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$stderr.puts msg
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exit 1
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end
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end
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end # module FakeSource
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end # module FlexNBD
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