Class: EventMachine::DNS::Socket
Constant Summary
Constants inherited
from Connection
Connection::SEND_ERROR_MODES
Class Method Summary
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Instance Method Summary
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Methods inherited from Connection
#close_connection, #close_connection_after_writing, #comm_inactivity_timeout, #comm_inactivity_timeout=, #connection_completed, #detach, #error?, #get_idle_time, #get_peer_cert, #get_peername, #get_pid, #get_proxied_bytes, #get_sock_opt, #get_sockname, #get_status, #notify_readable=, #notify_readable?, #notify_writable=, #notify_writable?, #pause, #paused?, #pending_connect_timeout, #pending_connect_timeout=, #proxy_completed, #proxy_incoming_to, #proxy_target_unbound, #receive_senderror, #reconnect, #resume, #send_data, #send_datagram, #send_error_handling=, #send_file_data, #set_sock_opt, #ssl_handshake_completed, #ssl_verify_peer, #start_tls, #stop_proxying, #stream_file_data
Constructor Details
#initialize ⇒ Socket
Returns a new instance of Socket.
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# File 'lib/em/resolver.rb', line 66
def initialize
@nameserver = nil
end
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Class Method Details
.open ⇒ Object
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# File 'lib/em/resolver.rb', line 60
def self.open
s = EventMachine::open_datagram_socket('0.0.0.0', 0, self) s.send_error_handling = :ERRORHANDLING_REPORT
s
end
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Instance Method Details
#nameserver ⇒ Object
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# File 'lib/em/resolver.rb', line 100
def nameserver
@nameserver || Resolver.nameserver
end
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#nameserver=(ns) ⇒ Object
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# File 'lib/em/resolver.rb', line 96
def nameserver=(ns)
@nameserver = ns
end
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#post_init ⇒ Object
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# File 'lib/em/resolver.rb', line 70
def post_init
@requests = {}
EM.add_periodic_timer(0.1, &method(:tick))
end
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#receive_data(data) ⇒ Object
Decodes the packet, looks for the request and passes the
response over to the requester
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# File 'lib/em/resolver.rb', line 106
def receive_data(data)
msg = nil
begin
msg = Resolv::DNS::Message.decode data
rescue
else
req = @requests[msg.id]
if req
@requests.delete(msg.id)
req.receive_answer(msg)
end
end
end
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#register_request(id, req) ⇒ Object
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# File 'lib/em/resolver.rb', line 84
def register_request(id, req)
if @requests.has_key?(id)
raise RequestIdAlreadyUsed
else
@requests[id] = req
end
end
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#send_packet(pkt) ⇒ Object
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# File 'lib/em/resolver.rb', line 92
def send_packet(pkt)
send_datagram(pkt, nameserver, 53)
end
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#tick ⇒ Object
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# File 'lib/em/resolver.rb', line 78
def tick
@requests.each do |id,req|
req.tick
end
end
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#unbind ⇒ Object
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# File 'lib/em/resolver.rb', line 75
def unbind
end
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