1 files changed, 34 insertions, 0 deletions
diff --git a/02-hub3.rb b/02-hub3.rb
new file mode 100644
index 0000000..8750027
--- /dev/null
+++ b/02-hub3.rb
@@ -0,0 +1,34 @@
+require './level'
+require './frame'
+
+class Level
+  interfaces %w(1 2 3)
+  description <<~EOD
+    You are now a three-port hub. Your job is to forward frames from one interface to all the others.
+  EOD
+  clicks 5
+
+  def self.target(frame)
+    case frame.iface
+    when ?1
+      [frame.to(?2), frame.to(?3)]
+    when ?2
+      [frame.to(?1), frame.to(?3)]
+    when ?3
+      [frame.to(?1), frame.to(?2)]
+    else
+      puts "ERR"
+      []
+    end
+  end
+
+  def self.generate
+    frames = {}
+    @@interfaces.each do |iface|
+      next if rand < 0.3
+      frames[@@count.to_s] = Frame.new(iface, "Frame #{@@count}")
+      @@count += 1
+    end
+    frames
+  end
+end