Class: Termfront::Network::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/termfront/network/server.rb

Constant Summary collapse

TEAM_SIZES = 
[1, 2, 4].freeze
MAX_QUEUE_PER_MODE = 
64
QUEUE_HANDSHAKE_TIMEOUT = 
5
TLS_HANDSHAKE_TIMEOUT = 
5
MAX_MSG_BYTES = 
16 * 1024
MATCH_MAX_DURATION = 
30 * 60
MATCH_IDLE_TIMEOUT = 
5 * 60
ALLOWED_MP_WEAPONS = 
%w[pistol ar shock_pistol shock_rifle].freeze
INITIAL_OBTAINED_WEAPONS = 
%i[pistol ar].freeze
MAX_STATE_DT = 
0.5
POSITION_DELTA_MARGIN = 
1.5
RATE_LIMITS = 
{
  "state"  => 60,
  "hit"    => 20,
  "fire"   => 20,
  "pickup" => 5,
  "ping"   => 5,
  "dead"   => 5
}.freeze
DEFAULT_RATE_LIMIT = 
10
MAX_DROPPED_MSGS = 
200
MAX_PVP_RANGE = 
30.0
STATE_BROADCAST_HZ = 
30
STATE_BROADCAST_DT = 
1.0 / STATE_BROADCAST_HZ
SELECT_TIMEOUT = 
1.0 / 60.0
PVP_MAP = 
[
  "####################",
  "#........##........#",
  "#........##........#",
  "#..................#",
  "#..##........##....#",
  "#..##........##....#",
  "#..................#",
  "#..................#",
  "#....##........##..#",
  "#....##........##..#",
  "#..................#",
  "#........##........#",
  "#........##........#",
  "####################"
].freeze
PVP_SPAWN_CANDIDATES = 
[
  [2.5, 2.5, 0.0],
  [2.5, 11.5, 0.0],
  [5.5, 5.5, 0.0],
  [4.5, 9.5, 0.0],
  [17.5, 11.5, Math::PI],
  [17.5, 2.5, Math::PI],
  [14.5, 8.5, Math::PI],
  [15.5, 4.5, Math::PI]
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(port: Config::PVP_PORT) ⇒ Server

Returns a new instance of Server.



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# File 'lib/termfront/network/server.rb', line 64

def initialize(port: Config::PVP_PORT)
  @port = port
  @queue_mutex = Mutex.new
  @queues = TEAM_SIZES.to_h { |team_size| [team_size, []] }
  @wavesfight_queues = Hash.new { |hash, key| hash[key] = [] }
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/termfront/network/server.rb', line 71

def run
  cert, key, chain = load_cert

  ctx = OpenSSL::SSL::SSLContext.new
  ctx.cert = cert
  ctx.key  = key
  ctx.min_version = OpenSSL::SSL::TLS1_2_VERSION
  ctx.extra_chain_cert = chain unless chain.empty?

  tcp_server = TCPServer.new("0.0.0.0", @port)
  ssl_server = OpenSSL::SSL::SSLServer.new(tcp_server, ctx)
  ssl_server.start_immediately = false

  puts "Termfront PvP server listening on 0.0.0.0:#{@port}"

  loop do
    begin
      client = ssl_server.accept
    rescue StandardError => e
      puts "Accept error: #{e.class}"
      next
    end

    Thread.new(client) do |c|
      configure_client(c)
      Timeout.timeout(TLS_HANDSHAKE_TIMEOUT) { c.accept }
      enqueue_player(c)
    rescue OpenSSL::SSL::SSLError, Timeout::Error => e
      puts "SSL handshake failed: #{e.class}"
      begin
        c.close
      rescue StandardError
        nil
      end
    rescue StandardError => e
      puts "Connection handler error: #{e.class}"
      begin
        c.close
      rescue StandardError
        nil
      end
    end
  end
end