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

Returns a new instance of Proxy.



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# File 'lib/girl/proxy.rb', line 17

def initialize( config_path = nil )
  unless config_path then
    config_path = File.expand_path( '../girl.conf.json', __FILE__ )
  end

  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 ]
  relayd_host = conf[ :relayd_host ]
  relayd_port = conf[ :relayd_port ]
  tspd_host = conf[ :tspd_host ]
  tspd_port = conf[ :tspd_port ]
  proxyd_host = conf[ :proxyd_host ]
  proxyd_port = conf[ :proxyd_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_p1_overflow = conf[ :h_p1_overflow ]     # L
  h_p1_underhalf = conf[ :h_p1_underhalf ]   # M
  h_p2_overflow = conf[ :h_p2_overflow ]     # N
  h_p2_underhalf = conf[ :h_p2_underhalf ]   # O
  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_src_overflow = conf[ :h_src_overflow ]   # U
  h_src_underhalf = conf[ :h_src_underhalf ] # V
  h_dst_overflow = conf[ :h_dst_overflow ]   # W
  h_dst_underhalf = conf[ :h_dst_underhalf ] # 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_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 + 1
  relayd_host = relayd_host ? relayd_host.to_s : '0.0.0.0'
  relayd_port = relayd_port ? relayd_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
  nameserver = '114.114.114.114' unless nameserver
  nameservers = nameserver.split( ' ' )
  im = 'office-pc' unless im
  directs = []

  if direct_path then
    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 then
    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_p1_overflow = h_p1_overflow ? h_p1_overflow.to_s : 'L'
  h_p1_underhalf = h_p1_underhalf ? h_p1_underhalf.to_s : 'M'
  h_p2_overflow = h_p2_overflow ? h_p2_overflow.to_s : 'N'
  h_p2_underhalf = h_p2_underhalf ? h_p2_underhalf.to_s : 'O'
  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_src_overflow = h_src_overflow ? h_src_overflow.to_s : 'U'
  h_src_underhalf = h_src_underhalf ? h_src_underhalf.to_s : 'V'
  h_dst_overflow = h_dst_overflow ? h_dst_overflow.to_s : 'W'
  h_dst_underhalf = h_dst_underhalf ? h_dst_underhalf.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_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' ) then
    IO.popen( 'sysctl -n net.ipv4.tcp_fastopen' ) do | io |
      output = io.read
      val = output.to_i % 4

      if [ 1, 3 ].include?( val ) then
        is_client_fastopen = true
      end

      if [ 2, 3 ].include?( val ) then
        is_server_fastopen = true
      end
    end
  end

  puts "girl proxy #{ Girl::VERSION } #{ im } #{ redir_port } #{ relayd_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 ) } then
    Process.setrlimit( :NOFILE, RLIMIT )
    puts "NOFILE #{ Process.getrlimit( :NOFILE ).inspect }"
  end

  worker = Girl::ProxyWorker.new(
    redir_host,
    redir_port,
    memd_port,
    relayd_host,
    relayd_port,
    tspd_host,
    tspd_port,
    proxyd_host,
    proxyd_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_p1_overflow,
    h_p1_underhalf,
    h_p2_overflow,
    h_p2_underhalf,
    h_query,
    h_response,
    h_src_close,
    h_traffic,
    h_src_overflow,
    h_src_underhalf,
    h_dst_overflow,
    h_dst_underhalf,
    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