Initial commit, work in progress

lib/netlink/rtsocket.rb

@@ -0,0 +1,53 @@
+require 'netlink/nlsocket'
+require 'netlink/message'
+
+module Netlink
+  # This is the high-level API using a NETLINK_ROUTE protocol socket
+  class RTSocket < NLSocket
+    def initialize(opt={})
+      super(opt.merge(:protocol => Netlink::NETLINK_ROUTE))
+    end
+
+    # List links. Returns an array of Netlink::Link objects
+    def link_list(opt)
+      send_request RTM_GETLINK, Link.new(opt),
+                   NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
+      receive_until_done
+    end
+
+    # List routes. Returns an array of Netlink::Route objects
+    #   res = nl.routes(:family => Socket::AF_INET)
+    #   #=> [..., ...]
+    def route_list(opt)
+      send_request RTM_GETROUTE, Route.new(opt),
+                   NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
+      receive_until_done
+    end
+
+    def addr_list(opt)
+      send_request RTM_GETADDR, Addr.new(opt),
+                   NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST
+      receive_until_done
+    end
+
+    # Add a route
+    #    nl.add_route(:family => Socket::AF_INET, ...)
+    def route_add(r)
+      send_request RTM_NEWROUTE, Route.new(r)
+      # Do we get any success/fail?
+    end
+
+    # Delete a route
+    def route_delete(r)
+      send_request RTM_DELROUTE, Route.new(r)
+    end
+  end
+end
+
+if __FILE__ == $0
+  require 'pp'
+  nl = Netlink::RTSocket.new
+  pp nl.route_list(:family => Socket::AF_INET)
+  pp nl.link_list(:family => Socket::AF_INET)
+  pp nl.addr_list(:family => Socket::AF_INET)
+end