Experimental beginnings of a FIFO IOMethod.

lib/live_console/io_methods/fifo_io.rb

@@ -0,0 +1,32 @@
+class LiveConsole::IOMethods::FifoIO
+	DefaultOpts = {
+		:remove? => false,	# If the file exists, should we remove it?
+		:user => nil,		# User to give file ownership to
+		:mode => 0600,		# The file's mode
+	}.freeze
+	RequiredOpts = DefaultOpts.keys + [:filename]
+
+	def start
+		maybe_remove!
+		if check_file
+			make_fifo
+		else
+			raise Errno::EEXIST, "File exists; either remove it or pass " \
+				":remove? => true to LiveConsole.new."
+		end
+	end
+
+	include LiveConsole::IOMethods::IOMethod
+	private
+
+	def maybe_remove!
+		if !check_file && remove?
+			File.unlink(filename)
+		end
+	end
+
+	# Returns true if we can create the file.
+	def check_file
+		!File.exist?(filename)
+	end
+end