dhcp_new.rb in pio-0.7.0

- old
+ new
@@ -1,30 +1,34 @@
 require 'pio'
 
-discover = Pio::Dhcp::Discover.new(source_mac: '24:db:ac:41:e5:5b')
+dhcp_client_mac_address = '24:db:ac:41:e5:5b'
+
+dhcp_server_options =
+  {
+    source_mac: '00:26:82:eb:ea:d1',
+    destination_mac: '24:db:ac:41:e5:5b',
+    ip_source_address: '192.168.0.100',
+    ip_destination_address: '192.168.0.1'
+  }
+
+# Client side
+discover = Pio::Dhcp::Discover.new(source_mac: dhcp_client_mac_address)
 discover.to_binary  # => DHCP Discover frame in binary format
 
-offer = Pio::Dhcp::Offer.new(
-  source_mac: '00:26:82:eb:ea:d1',
-  destination_mac: '24:db:ac:41:e5:5b',
-  ip_source_address: '192.168.0.100',
-  ip_destination_address: '192.168.0.1',
-  transaction_id: discover.transaction_id
-)
+# Server side
+offer = Pio::Dhcp::Offer.new(dhcp_server_options
+                             .merge(transaction_id: discover.transaction_id))
 offer.to_binary  # => DHCP Offer frame in binary format
 
+# Client side
 request = Pio::Dhcp::Request.new(
-  source_mac: '24:db:ac:41:e5:5b',
-  server_identifier: '192.168.0.100',
-  requested_ip_address: '192.168.0.1',
+  source_mac: dhcp_client_mac_address,
+  server_identifier: dhcp_server_options[:ip_source_address],
+  requested_ip_address: dhcp_server_options[:ip_destination_address],
   transaction_id: offer.transaction_id
 )
 request.to_binary  # => DHCP Request frame in binary format
 
-ack = Pio::Dhcp::Ack.new(
-  source_mac: '00:26:82:eb:ea:d1',
-  destination_mac: '24:db:ac:41:e5:5b',
-  ip_source_address: '192.168.0.100',
-  ip_destination_address: '192.168.0.1',
-  transaction_id: request.transaction_id
-)
+# Server side
+ack = Pio::Dhcp::Ack.new(dhcp_server_options
+                         .merge(transaction_id: request.transaction_id))
 ack.to_binary  # => DHCP Ack frame in binary format