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require 'msgpack'
class Server
def initialize(sock)
@sock = sock
@pk = MessagePack::Unpacker.new
@buffer = ''
@nread = 0
end
def run
while true
begin
data = @sock.sysread(1024)
rescue
puts "connection closed (#{$!})"
return
end
receive_data(data)
end
end
private
def receive_data(data)
@buffer << data
while true
@nread = @pk.execute(@buffer, @nread)
if @pk.finished?
msg = @pk.data
process_message(msg)
@pk.reset
@buffer.slice!(0, @nread)
@nread = 0
next unless @buffer.empty?
end
break
end
if @buffer.length > 10*1024*1024
raise "message is too large"
end
rescue
puts "error while processing client packet: #{$!}"
end
def process_message(msg)
puts "message reached: #{msg.inspect}"
end
end
rpipe, wpipe = IO.pipe
# run server thread
thread = Thread.new(Server.new(rpipe)) {|srv|
srv.run
}
# client thread:
wpipe.write ["put", "apple", "red"].to_msgpack
wpipe.write ["put", "lemon", "yellow"].to_msgpack
wpipe.write ["get", "apple"].to_msgpack
wpipe.close
thread.join
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