Class: Girl::Proxyd

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

Instance Method Summary collapse

Constructor Details

#initialize(config_path = nil) ⇒ Proxyd

Returns a new instance of Proxyd.



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# File 'lib/girl/proxyd.rb', line 14

def initialize(config_path = nil)
  if config_path
    raise "not found config file #{config_path}" unless File.exist?(config_path)
    conf = JSON.parse(IO.binread(config_path), symbolize_names: true)
    puts "load #{config_path} #{conf.inspect}"
    proxyd_port = conf[:proxyd_port]
    bigd_port = conf[:bigd_port]
    memd_port = conf[:memd_port]
    nameserver = conf[:nameserver]
    reset_traff_day = conf[:reset_traff_day]
    ims = conf[:ims]
    p2d_host = conf[:p2d_host]
    p2d_port = conf[:p2d_port]
    head_len = conf[:head_len]                       # 头长度

    h_a_new_source = conf[:h_a_new_source]           # A

    h_a_new_p2 = conf[:h_a_new_p2]                   # B

    h_dst_close = conf[:h_dst_close]                 # D

    h_heartbeat = conf[:h_heartbeat]                 # H

    h_p1_close = conf[:h_p1_close]                   # I

    h_p2_close = conf[:h_p2_close]                   # J

    h_p2_traffic = conf[:h_p2_traffic]               # K

    h_query = conf[:h_query]                         # Q

    h_response = conf[:h_response]                   # R

    h_src_close = conf[:h_src_close]                 # S

    h_traffic = conf[:h_traffic]                     # T

    h_dst_switch_to_big = conf[:h_dst_switch_to_big] # U

    h_p2_switch_to_big = conf[:h_p2_switch_to_big]   # V

    h_src_switch_to_big = conf[:h_src_switch_to_big] # W

    h_p1_switch_to_big = conf[:h_p1_switch_to_big]   # X

    expire_connecting = conf[:expire_connecting]     # 连接多久没有建成关闭（秒）

    expire_long_after = conf[:expire_long_after]     # 长连接多久没有新流量关闭（秒）

    expire_resolv_cache = conf[:expire_resolv_cache] # dns查询结果缓存多久（秒）

    expire_short_after = conf[:expire_short_after]   # 短连接创建多久后关闭（秒）

    is_debug = conf[:is_debug]
  end

  proxyd_port = proxyd_port ? proxyd_port.to_i : 6060
  bigd_port = bigd_port ? bigd_port.to_i : proxyd_port + 1
  memd_port = memd_port ? memd_port.to_i : proxyd_port + 2

  if nameserver
    nameservers = nameserver.split(' ')
  else
    nameservers = []
    resolv_path = '/etc/resolv.conf'

    if File.exist?(resolv_path)
      text = IO.read('/etc/resolv.conf')

      text.split("\n").each do |line|
        match_data = /^nameserver \d{1,3}\.\d{1,3}\.\d{1,3}.\d{1,3}/.match(line)

        if match_data
          nameservers << match_data[0].split(' ')[1].strip
          break if nameservers.size >= 3
        end
      end
    end
  end

  nameservers << '8.8.8.8' if nameservers.empty?
  reset_traff_day = reset_traff_day ? reset_traff_day.to_i : 1
  ims = [] unless ims
  p2d_host = p2d_host ? p2d_host.to_s : '127.0.0.1'
  p2d_port = p2d_port ? p2d_port.to_i : proxyd_port + 3
  head_len = head_len ? head_len.to_i : 59
  h_a_new_source = h_a_new_source ? h_a_new_source.to_s : 'A'
  h_a_new_p2 = h_a_new_p2 ? h_a_new_p2.to_s : 'B'
  h_dst_close = h_dst_close ? h_dst_close.to_s : 'D'
  h_heartbeat = h_heartbeat ? h_heartbeat.to_s : 'H'
  h_p1_close = h_p1_close ? h_p1_close.to_s : 'I'
  h_p2_close = h_p2_close ? h_p2_close.to_s : 'J'
  h_p2_traffic = h_p2_traffic ? h_p2_traffic.to_s : 'K'
  h_query = h_query ? h_query.to_s : 'Q'
  h_response = h_response ? h_response.to_s : 'R'
  h_src_close = h_src_close ? h_src_close.to_s : 'S'
  h_traffic = h_traffic ? h_traffic.to_s : 'T'
  h_dst_switch_to_big = h_dst_switch_to_big ? h_dst_switch_to_big.to_s : 'U'
  h_p2_switch_to_big = h_p2_switch_to_big ? h_p2_switch_to_big.to_s : 'V'
  h_src_switch_to_big = h_src_switch_to_big ? h_src_switch_to_big.to_s : 'W'
  h_p1_switch_to_big = h_p1_switch_to_big ? h_p1_switch_to_big.to_s : 'X'
  expire_connecting = expire_connecting ? expire_connecting.to_i : 5
  expire_long_after = expire_long_after ? expire_long_after.to_i : 3600
  expire_resolv_cache = expire_resolv_cache ? expire_resolv_cache.to_i : 600
  expire_short_after = expire_short_after ? expire_short_after.to_i : 5
  is_server_fastopen = false

  if RUBY_PLATFORM.include?('linux')
    IO.popen('sysctl -n net.ipv4.tcp_fastopen') do |io|
      output = io.read
      val = output.to_i % 4
      is_server_fastopen = true if [2, 3].include?(val)
    end
  end

  puts "girl proxyd #{Girl::VERSION}"
  puts "#{proxyd_port} #{bigd_port} #{memd_port} #{p2d_host} #{p2d_port} #{nameservers.inspect} #{reset_traff_day} #{is_server_fastopen}"

  if %w[darwin linux].any?{|plat| RUBY_PLATFORM.include?(plat)}
    Process.setrlimit(:NOFILE, RLIMIT)
    puts "NOFILE #{Process.getrlimit(:NOFILE).inspect}"
  end

  worker = Girl::ProxydWorker.new(
    proxyd_port,
    bigd_port,
    memd_port,
    nameservers,
    reset_traff_day,
    ims,
    p2d_host,
    p2d_port,
    head_len,
    h_a_new_source,
    h_a_new_p2,
    h_dst_close,
    h_heartbeat,
    h_p1_close,
    h_p2_close,
    h_p2_traffic,
    h_query,
    h_response,
    h_src_close,
    h_traffic,
    h_dst_switch_to_big,
    h_p2_switch_to_big,
    h_src_switch_to_big,
    h_p1_switch_to_big,
    expire_connecting,
    expire_long_after,
    expire_resolv_cache,
    expire_short_after,
    is_debug,
    is_server_fastopen)

  Signal.trap(:TERM) do
    puts 'exit'
    worker.quit!
  end

  worker.looping
end