Authors: Jonathan Chan, Jitesh Nadimpalli

Credit: Dr. Michael Marsh, Andrew Pachulski

How to run (MAC OS):

1. In terminal, open project folder and type: ruby controller.rb nodes config

1a) Any adjustments to nodes or their ports should be done in the "nodes" file

1b) Any adjustments to the update interval, max payload, or timeout should be done in the "config" file

Commands: given in the form of "COMMAND [args]"

SENDMSG [node] [message]

Function: send message to node

DUMPTABLE [filename]

Function: prints current view of the routing table as a CSV to filename
Format: src, dst, nextHop, distance

SHUTDOWN

Function: shuts down the node and flushes all buffers

STATUS

Function: prints out status information
Format:
    Name: <node>
    Port: <port the node is listening on>
    Neighbors: <lexicographically sorted list of neighbors>

EDGEB [src_ip] [dst_ip] [dst]

Function: creates symmetric node of cost 1 between nodes at prescribed IP using a single TCP connection

EDGEU [dst] [cost]

Function: updates cost between node to neighbor, non-symmetric

EDGED [dst]

Function: destroys the edge between src node and dst node, non-symmetric

SENDMSG [dst] [msg]

Function: sends msg to dst

PING [dst] [num_pings] [delay]

Function: send num_pings to node with delay seconds in between pings    

TRACEROUTE [dst]

Function: perform a tracerout from src to dst