/
packet.rb
59 lines (52 loc) · 1.55 KB
/
packet.rb
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require 'yaml'
# a valid packet is formed with
class Packet
# These are the expected types per each packet type.
# packet is a fail if these packets do not exist.
@expected = YAML.load_file("packet_config.yml")
class << self; attr_accessor :expected; end
def initialize data
if data.is_a? String
@data = YAML::load(data) rescue nil
else
@data = data
end
end
# login as a certain mud.
def self.login name, pw="none"
Packet.new({"type"=>"login", "mud"=>name, "password"=>"none"})
end
def self.error txt
Packet.new({"type"=>"error", "text"=>txt, "from"=>"local"})
end
def self.chat txt
Packet.new({"type"=>"chat", "sender"=>"Default", "channel"=>"intermud", "text"=>txt})
end
# is this packet valid?
def is_invalid?
case @data
when Hash
type = @data["type"]
return Packet.error("Packet type not included.") if type == nil
Packet.expected[type].each do |expected|
return Packet.error("Expected data of type #{expected} was not included.") if !@data[expected]
end
return false
end
return Packet.error "Bad data type for packet." # return false on anything else.
end
# do whatever this packet is designed to do right now.
def execute
case @data["type"]
when "chat"
puts @data["sender"] + " #{@data["channel"]}s, '" + @data["text"] + "'"
when "error"
puts "ERROR: " + @data["text"]
when "notify"
puts "Notify: #{@data["event"]}: #{@data["text"]}"
end
end
def to_s
@data.to_yaml
end
end