Class: Redis::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/redis/server/version.rb,
lib/redis/server.rb

Defined Under Namespace

Classes: Config

Constant Summary collapse

VERSION = 
"0.0.2"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ Server

Returns a new instance of Server.



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# File 'lib/redis/server.rb', line 12

def initialize config={}
  @config = Redis::Server::Config.new(config)
  @config[:'slave-serve-stale-data'] ||= "no"
  @config[:'daemonize'] ||= "no"
  @config[:'bind'] ||= "127.0.0.1"
  @config[:'port'] ||= "#{find_available_port}"
  @config[:'logfile'] ||= Tempfile.new('redis-server-logfile').path
  @config[:'save'] ||= "900 1"
  @config[:'rdbcompression'] ||= "yes"
  @config[:'dbfilename'] ||= "redis_server.rdb"
  @config[:'dir'] ||= Dir.tmpdir
  @config[:'appendonly'] ||= "no"
  @config[:'appendfsync'] ||= "no"
  @config[:'appendfsync'] ||= "everysec"
  @config[:'no-appendfsync-on-rewrite'] ||= "yes"
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/redis/server.rb', line 10

def config
  @config
end

#process ⇒ Object (readonly)

Returns the value of attribute process.



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# File 'lib/redis/server.rb', line 10

def process
  @process
end

Instance Method Details

#connect(options = {}) ⇒ Object 



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# File 'lib/redis/server.rb', line 60

def connect options={}
  options[:host] ||= config[:bind]
  options[:port] ||= config[:port]
  Redis.new(options)
end

#connection ⇒ Object 



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# File 'lib/redis/server.rb', line 56

def connection
  @connection ||= connect if started?
end

#find_available_port ⇒ Object

copied from capybara-1.1.2



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# File 'lib/redis/server.rb', line 71

def find_available_port
  server = TCPServer.new('127.0.0.1', 0)
  server.addr[1]
ensure
  server.close if server
end

#save ⇒ Object 



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# File 'lib/redis/server.rb', line 48

def save
  connection.save if connection
end

#start ⇒ Object 



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# File 'lib/redis/server.rb', line 29

def start
  return if started?
  @process = ChildProcess.new('redis-server','-')
  process.duplex = true
  process.start
  at_exit{
    save
    stop
  }
  process.io.stdin.puts config.to_s
  process.io.stdin.close
  @started = process.alive?
end

#start! ⇒ Object 



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# File 'lib/redis/server.rb', line 43

def start!
  start
  started? or raise "failed to start redis server"
end

#started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/redis/server.rb', line 66

def started?
  process && process.alive?
end

#stop ⇒ Object 



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# File 'lib/redis/server.rb', line 52

def stop
  process.stop if started?
end