Class: DRb::DRbUNIXSocket

Inherits:
DRbTCPSocket
  • Object
show all
Defined in:
lib/emdrb/unix.rb

Overview

Unix domain socket transport

Instance Method Summary collapse

Constructor Details

#initialize(uri, config = {}) ⇒ DRbUNIXSocket

Returns a new instance of DRbUNIXSocket.



31
32
33
34
35
36
37
38
 
# File 'lib/emdrb/unix.rb', line 31

def initialize(uri, config={})
  @uri = (uri.nil?) ? 'drbunix:' : uri
  @filename, @option = self.class.parse_uri(@uri)
  @filename.untaint
  @port.untaint
  @config = config
  @acl = nil
end

Instance Method Details

#client_connect(prot) ⇒ Object 



78
79
80
81
82
83
84
 
# File 'lib/emdrb/unix.rb', line 78

def client_connect(prot)
  EventMachine.connect_unix_domain(@filename, prot) do |c|
    if block_given?
      yield c
    end
  end
end

#start_server(prot) ⇒ Object 



40
41
42
43
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
 
# File 'lib/emdrb/unix.rb', line 40

def start_server(prot)
  if @conndesc
    return(@conndesc)
  end

  lock = nil
  if @filename.nil?
    tmpdir = Dir::tmpdir
    n = 0
    while true
      begin
        tmpname = sprintf('%s/druby%d.%d', tmpdir, $$, n)
        lock = tmpname + '.lock'
        unless File.exist?(tmpname) or File.exist?(lock)
          Dir.mkdir(lock)
          @filename = tmpname
          break
        end
      rescue
        raise "cannot generate tempfile `%s'" % tmpname if n >= Max_try
        #sleep(1)
      end
      n += 1
    end
  end

  @conndesc = EventMachine::start_unix_domain_server(@filename,
                                                     prot) do |conn|
    if block_given?
      yield conn
    end
  end

  if lock
    Dir.rmdir(lock)
  end
end

#stop_server ⇒ Object 



86
87
88
89
 
# File 'lib/emdrb/unix.rb', line 86

def stop_server
  super
  File.unlink(@filename)
end