Class: Girl::Proxy

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

Instance Method Summary collapse

Constructor Details

#initialize(config_path = nil) ⇒ Proxy 



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# File 'lib/girl/proxy.rb', line 16

def initialize(config_path = nil)
  config_path = File.expand_path('../girl.conf.json', __FILE__) unless config_path
  raise "missing 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}"
  redir_host = conf[:redir_host]
  redir_port = conf[:redir_port]
  memd_port = conf[:memd_port]
  tspd_host = conf[:tspd_host]
  tspd_port = conf[:tspd_port]
  proxyd_host = conf[:proxyd_host]
  proxyd_port = conf[:proxyd_port]
  bigd_port = conf[:bigd_port]
  nameserver = conf[:nameserver]
  im = conf[:im]
  direct_path = conf[:direct_path]
  remote_path = conf[:remote_path]
  appd_host = conf[:appd_host]
  appd_port = conf[:appd_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

  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_proxy_after = conf[:expire_proxy_after]   # proxy多久没有收到流量重建（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]

  redir_host = redir_host ? redir_host.to_s : '0.0.0.0'
  redir_port = redir_port ? redir_port.to_i : 6666
  memd_port = memd_port ? memd_port.to_i : redir_port + 2
  tspd_host = tspd_host ? tspd_host.to_s : '0.0.0.0'
  tspd_port = tspd_port ? tspd_port.to_i : 7777
  raise "missing proxyd host" unless proxyd_host
  proxyd_port = proxyd_port ? proxyd_port.to_i : 6060
  bigd_port = bigd_port ? bigd_port.to_i : proxyd_port + 1
  nameserver = '114.114.114.114' unless nameserver
  nameservers = nameserver.split(' ')
  im = 'office-pc' unless im
  directs = []

  if direct_path
    raise "not found direct file #{direct_path}" unless File.exist?(direct_path)
    directs = (RESERVED_ROUTE.split("\n") + IO.binread(direct_path).split("\n")).map{|line| IPAddr.new(line.strip)}
  end

  remotes = []

  if remote_path
    raise "not found remote file #{remote_path}" unless File.exist?(remote_path)
    remotes = IO.binread(remote_path).split("\n").map{|line| line.strip}
  end

  appd_host = appd_host ? appd_host.to_s : '127.0.0.1'
  appd_port = appd_port ? appd_port.to_i : 22
  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'
  expire_connecting = expire_connecting ? expire_connecting.to_i : 5
  expire_long_after = expire_long_after ? expire_long_after.to_i : 3600
  expire_proxy_after = expire_proxy_after ? expire_proxy_after.to_i : 60
  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_client_fastopen = 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_client_fastopen = true if [1, 3].include?(val)
      is_server_fastopen = true if [2, 3].include?(val)
    end
  end

  puts "girl proxy #{Girl::VERSION} #{im} #{redir_port} #{tspd_port}"
  puts "#{proxyd_host} #{proxyd_port} #{appd_host} #{appd_port} #{nameservers.inspect} #{is_client_fastopen} #{is_server_fastopen}"
  puts "#{direct_path} #{directs.size} directs"
  puts "#{remote_path} #{remotes.size} remotes"

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

  worker = Girl::ProxyWorker.new(
    redir_host,
    redir_port,
    memd_port,
    tspd_host,
    tspd_port,
    proxyd_host,
    proxyd_port,
    bigd_port,
    nameservers,
    im,
    directs,
    remotes,
    appd_host,
    appd_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,
    expire_connecting,
    expire_long_after,
    expire_proxy_after,
    expire_resolv_cache,
    expire_short_after,
    is_debug,
    is_client_fastopen,
    is_server_fastopen)

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

  worker.looping
end