/
server.cr
51 lines (49 loc) · 1.17 KB
/
server.cr
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class Socket
module Server
# Accepts an incoming connection and yields the client socket to the block.
# Eventually closes the connection when the block returns.
#
# Returns the value of the block. If the server is closed after invoking this
# method, an `IO::Error` (closed stream) exception will be raised.
#
# ```
# require "socket"
#
# server = TCPServer.new(2202)
# server.accept do |socket|
# socket.puts Time.now
# end
# ```
def accept
sock = accept
begin
yield sock
ensure
sock.close
end
end
# Accepts an incoming connection and yields the client socket to the block.
# Eventualy closes the connection when the block returns.
#
# Returns the value of the block or `nil` if the server is closed after
# invoking this method.
#
# ```
# require "socket"
#
# server = UNIXServer.new("/tmp/service.sock")
# server.accept? do |socket|
# socket.puts Time.now
# end
# ```
def accept?
sock = accept?
return unless sock
begin
yield sock
ensure
sock.close
end
end
end
end