Module: EventMachine

Defined in:
lib/revem.rb

Defined Under Namespace

Classes: CallsBackToEM, Connection, OneShotEMTimer

Class Method Summary collapse

Class Method Details

.add_timer(interval, proc = nil, &block) ⇒ Object

ltodo: use Rev’s PeriodicTimer to wrap EM’s two similar to it todo: close all connections on ‘stop’, I believe



51
52
53
54
55
56
57
 
# File 'lib/revem.rb', line 51

def add_timer interval, proc = nil, &block
  block ||= proc
  t = OneShotEMTimer.new(interval, false) # non repeating
  t.setup(block) 
  t.attach(Rev::Loop.default) # fire 'er off ltodo: do we keep track of these timers in memory?
  t
end

.cancel_timer(t) ⇒ Object 



59
60
61
 
# File 'lib/revem.rb', line 59

def cancel_timer t
 t.detach if t.attached? # guess there's a case where EM you can say 'cancel' but it's already fired? kind of odd but it happens
end

.connect(addr, port, handler = Connection, *args) {|conn| ... } ⇒ Object

Make an outgoing connection

Yields:

  • (conn) 


66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/revem.rb', line 66

def connect(addr, port, handler = Connection, *args, &block)
	block = args.pop if Proc === args[-1]

   # make sure we're a 'real' class here
   klass = if (handler and handler.is_a?(Class))
     handler
   else
     Class.new( Connection ) {handler and include handler}
   end

  wrapped_child = CallsBackToEM.connect(addr, port, *args) # ltodo: args? what? they're used? also TODOC TODO FIX
  conn = klass.new(wrapped_child) # ltodo [?] addr, port, *args)
  wrapped_child.attach(Rev::Loop.default) # necessary
  conn.heres_your_socket(wrapped_child)
  wrapped_child.call_back_to_this(conn) # calls post_init for us
  yield conn if block_given?
end

.epoll ⇒ Object

Compatibility noop. Handled automatically by libev



113
 
# File 'lib/revem.rb', line 113

def epoll; end

.kqueue ⇒ Object

Compatibility noop. Handled automatically by libev



116
 
# File 'lib/revem.rb', line 116

def kqueue; end

.run ⇒ Object

Start the Reactor loop



28
29
30
31
 
# File 'lib/revem.rb', line 28

def run
  yield if block_given?
  Rev::Loop.default.run
end

.set_comm_inactivity_timeout(*args) ⇒ Object

TODO



63
 
# File 'lib/revem.rb', line 63

def set_comm_inactivity_timeout *args; end

.set_descriptor_table_size(nfds) ⇒ Object

Set the maximum number of descriptors available to this process



108
109
110
 
# File 'lib/revem.rb', line 108

def set_descriptor_table_size(nfds)
  Rev::Utils.maxfds = nfds
end

.start_server(addr, port, handler = Connection, *args, &block) ⇒ Object

Start a TCP server on the given address and port



85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
 
# File 'lib/revem.rb', line 85

def start_server(addr, port, handler = Connection, *args, &block)

   # make sure we're a 'real' class here
   klass = if (handler and handler.is_a?(Class))
     handler
   else
     Class.new( Connection ) {handler and include handler}
   end
  server = Rev::TCPServer.new(addr, port, CallsBackToEM, *args) { |wrapped_child| 
	conn = klass.new(wrapped_child)
	conn.heres_your_socket(wrapped_child) # ideally NOT have this :)
	wrapped_child.call_back_to_this(conn) 
	block.call(conn) if block
  }

  server.attach(Rev::Loop.default)
end

.stop_event_loop ⇒ Object

Stop the Reactor loop



34
35
36
 
# File 'lib/revem.rb', line 34

def stop_event_loop
  Rev::Loop.default.stop
end

.stop_server(server) ⇒ Object 



103
104
105
 
# File 'lib/revem.rb', line 103

def stop_server server
	server.close
end