Class: Query

Inherits:
Object
  • Object
show all
Defined in:
lib/query/query.rb

Class Method Summary collapse

Class Method Details

.fullQuery(addr = 'localhost', port = 25565) ⇒ Object 



44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
 
# File 'lib/query/query.rb', line 44

def self.fullQuery(addr = 'localhost', port = 25565)
  @addr = addr
  @port = port
  init
  begin
    timeout(1) do
      query = @sock.send("\xFE\xFD\x00\x01\x02\x03\x04".force_encoding(Encoding::ASCII_8BIT) + @key + "\x01\x02\x03\x04".force_encoding(Encoding::ASCII_8BIT), 0)
      data = @sock.recvfrom(1460)[0]
      buffer = data[11...-1]
      items, players = buffer.split("\x00\x00\x01player_\x00\x00".force_encoding(Encoding::ASCII_8BIT))
      if items[0...8] == 'hostname'
        items = 'motd' + items[8...-1]
      end
      vals = {}
      items = items.split("\x00")
      items.each_with_index do |key, idx|
        next unless idx % 2 == 0
        vals[key] = items[idx + 1]
      end

      vals["motd"] = vals["hostname"]
      vals.delete("hostname")
      vals.delete("um") if vals["um"]

      players = players[0..-2] if players
      
      if players
        vals[:players] = players.split("\x00")
      end
      puts vals
      vals["raw_plugins"] = vals["plugins"]
      parts = vals["raw_plugins"].split(":")
      server = parts[0].strip() if parts[0]
      plugins = []
      if parts.size == 2
        plugins = parts[1].split(";").map {|value| value.strip() }
      end
      vals["plugins"] = plugins
      vals["server"] = server
      vals["timestamp"] = Time.now
      return vals.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
    end
  rescue StandardError => e
    return false
  end
end

.init ⇒ Object 



2
3
4
5
6
7
8
 
# File 'lib/query/query.rb', line 2

def self.init
  @sock = UDPSocket.new
  @sock.connect(@addr,@port)
  @val = {}
  @buff = nil
  key
end

.key ⇒ Object 



10
11
12
13
14
15
16
17
18
19
20
21
 
# File 'lib/query/query.rb', line 10

def self.key
  begin
    timeout(1) do
      start = @sock.send("\xFE\xFD\x09\x01\x02\x03\x04".force_encoding(Encoding::ASCII_8BIT), 0)
      t = @sock.recvfrom(1460)[0]
      key = t[5...-1].to_i
      @key = Array(key).pack('N')
    end
  rescue Timeout::Error, Errno::ECONNREFUSED, Errno::EHOSTUNREACH
    return false
  end
end

.simpleQuery(addr = 'localhost', port = 25565) ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/query/query.rb', line 24

def self.simpleQuery(addr = 'localhost', port = 25565)
  @addr = addr
  @port = port
  init
  begin
    timeout(1) do
      query = @sock.send("\xFE\xFD\x00\x01\x02\x03\x04".force_encoding(Encoding::ASCII_8BIT) + @key, 0)
      data = @sock.recvfrom(1460)[0]
      buffer = data[5...-1]
      @val[:motd], @val[:gametype], @val[:map], @val[:numplayers], @val[:maxplayers], @buf = buffer.split("\x00", 6)
      if @sock != nil
        @sock.close
      end
    end
    return @val
  rescue StandardError => e
    return false
  end
end