Class: Async::IO::HostEndpoint

Inherits:
Endpoint
  • Object
show all
Defined in:
lib/async/io/host_endpoint.rb

Instance Attribute Summary

Attributes inherited from Endpoint

#options

Instance Method Summary collapse

Methods inherited from Endpoint

#accept, each, parse, socket, ssl, tcp, try_convert, udp, unix

Constructor Details

#initialize(specification, **options) ⇒ HostEndpoint

Returns a new instance of HostEndpoint.



26
27
28
29
30
 
# File 'lib/async/io/host_endpoint.rb', line 26

def initialize(specification, **options)
	super(**options)
	
	@specification = specification
end

Instance Method Details

#bind {|Socket| ... } ⇒ Array<Socket>

Invokes the given block for every address which can be bound to.

Yields:

  • (Socket) —

    the bound socket

Returns:

  • (Array<Socket>) —

    an array of bound sockets



63
64
65
66
67
 
# File 'lib/async/io/host_endpoint.rb', line 63

def bind(&block)
	Addrinfo.foreach(*@specification).collect do |address|
		Socket.bind(address, **@options, &block)
	end
end

#connect {|Socket| ... } ⇒ Socket

Try to connect to the given host by connecting to each address in sequence until a connection is made.

Yields:

  • (Socket) —

    the socket which is being connected, may be invoked more than once

Returns:

  • (Socket) —

    the connected socket

Raises:

  • if no connection could complete successfully



46
47
48
49
50
51
52
53
54
55
56
57
58
 
# File 'lib/async/io/host_endpoint.rb', line 46

def connect(&block)
	last_error = nil
	
	Addrinfo.foreach(*@specification) do |address|
		begin
			return Socket.connect(address, **@options, &block)
		rescue
			last_error = $!
		end
	end
	
	raise last_error
end

#each {|AddressEndpoint| ... } ⇒ Object

Yields:

  • (AddressEndpoint) —

    address endpoints by resolving the given host specification



70
71
72
73
74
75
76
 
# File 'lib/async/io/host_endpoint.rb', line 70

def each
	return to_enum unless block_given?
	
	Addrinfo.foreach(*@specification) do |address|
		yield AddressEndpoint.new(address, **@options)
	end
end

#hostname ⇒ Object 



38
39
40
 
# File 'lib/async/io/host_endpoint.rb', line 38

def hostname
	@specification.first
end

#to_s ⇒ Object 



32
33
34
35
36
 
# File 'lib/async/io/host_endpoint.rb', line 32

def to_s
	nodename, service, family, socktype, protocol, flags = @specification
	
	"\#<#{self.class} name=#{nodename.inspect} service=#{service.inspect} family=#{family.inspect} type=#{socktype.inspect} protocol=#{protocol.inspect} flags=#{flags.inspect}>"
end