Class: Flare::Test::Daemon

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/flare/test/daemon.rb

Constant Summary collapse

Flarei = 
"/usr/local/bin/flarei"
Flared = 
"/usr/local/bin/flared"
FlareiVersion = 
`#{Flarei} -v`.chomp.split(' ')[-1]
FlaredVersion = 
`#{Flared} -v`.chomp.split(' ')[-1]

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Daemon

Returns a new instance of Daemon.



25
26
27
28
29
30
31
32
33
34
 
# File 'lib/flare/test/daemon.rb', line 25

def initialize
  @flared = []
  @flarei = []
  @port = 20000+rand(10000)
  @port_mutex = Mutex.new
  @tempfiles = []
  Kernel.at_exit {
    Flare::Test::Daemon.instance.shutdown
  }
end

Instance Method Details

#assign_port ⇒ Object 



61
62
63
64
65
66
67
68
 
# File 'lib/flare/test/daemon.rb', line 61

def assign_port
  port = 0
  @port_mutex.synchronize do
    port = @port
    @port += 1
  end
  port
end

#deleteall(delthem) ⇒ Object 



127
128
129
130
131
132
133
134
135
136
137
138
 
# File 'lib/flare/test/daemon.rb', line 127

def deleteall(delthem)
  return unless FileTest.exist?(delthem)
  if FileTest.directory?(delthem)
    Dir.foreach(delthem) do |file|
      next if /^\.+$/ =~ file
      deleteall(delthem.sub(/\/+$/,"") + "/" + file)
    end
    Dir.rmdir(delthem) rescue ""
  else
    File.delete(delthem)
  end
end

#invoke_flared(name, config, executable = Flared) ⇒ Object 



94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
 
# File 'lib/flare/test/daemon.rb', line 94

def invoke_flared(name, config, executable = Flared)
  config = Flare::Util::FlaredConf.new(config)
  conf = "/tmp/flared.#{name}.#{config.server_port}.conf"
  open(conf, "w") do |f|
    f.puts config.to_s
  end
  pid = fork
  if pid.nil?
    deleteall(config.data_dir)
    Dir.mkdir(config.data_dir)
    begin
      exec executable, "-f", conf
    rescue
      exit 1
    end
  else
    @flared << pid
    @tempfiles << config.data_dir
    @tempfiles << conf
  end
  pid
end

#invoke_flarei(name, config, executable = Flarei) ⇒ Object 



70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
 
# File 'lib/flare/test/daemon.rb', line 70

def invoke_flarei(name, config, executable = Flarei)
  config["key-hash-algorithm"] = "crc32" if required_version? [1, 0, 15]
  config = Flare::Util::FlareiConf.new(config)
  conf = "/tmp/flarei.#{name}.#{config.server_port}.conf"
  open(conf, "w") do |f|
    f.puts config.to_s
  end
  pid = fork
  if pid.nil?
    deleteall(config.data_dir)
    Dir.mkdir(config.data_dir)
    begin
      exec executable, "-f", conf
    rescue
      exit 1
    end
  else
    @flarei << pid
    @tempfiles << config.data_dir
    @tempfiles << conf
  end
  pid
end

#required_version?(required_version) ⇒ Boolean

Returns:

  • (Boolean) 


51
52
53
54
55
56
57
58
59
 
# File 'lib/flare/test/daemon.rb', line 51

def required_version? required_version
  version = FlareiVersion.split('.').map {|i| i.to_i}
  (0...required_version.size).each do |i|
    n = if i < version.size then version[i] else 0 end
    return true if n > required_version[i]
    return false if n < required_version[i]
  end
  true
end

#shutdown ⇒ Object 



36
37
38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/flare/test/daemon.rb', line 36

def shutdown
  STDERR.print "killing..."
  (@flared+@flarei).each do |pid|
    kill_node_process(pid)
  end
  STDERR.print "\n"
  Process.waitall
  @flared.clear
  @flarei.clear
  @tempfiles.each do |datadir|
    deleteall(datadir)
  end
  @tempfiles.clear
end

#shutdown_flared(target_pid) ⇒ Object 



117
118
119
120
121
122
123
124
125
 
# File 'lib/flare/test/daemon.rb', line 117

def shutdown_flared(target_pid)
  STDERR.print "killing node..."
  @flared.each_with_index do |pid, i|
    next unless pid == target_pid
    kill_node_process(pid)
  end
  STDERR.print "\n"
  @flared.delete(target_pid)
end