Module: Envoy::Server::Trunk

Includes:
Protocol
Defined in:
lib/envoy/server/trunk.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Protocol

#receive_object, #send_object, #serializer

Class Method Details

.trunks ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 14

def self.trunks
  @trunks ||= Hash.new{|h,k|h[k] = []}
end

Instance Method Details

#channels ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 26

def channels
  @channels ||= {}
end

#halt(message = nil) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 46

def halt message = nil
  message Envoy::FATAL, message if message
  send_object :halt
  close_connection(true)
end

#hosts ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 22

def hosts
  @hosts ||= []
end

#initialize(key) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 9

def initialize key
  super
  @key = key
end

#key ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 30

def key
  @options[:key]
end

#log(*args) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 34

def log (*args)
  Envoy.log(*args)
end

#message(level, message) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 38

def message (level, message)
  if @options[:verbosity]
    send_object :message, message, level
  else
    send_object :message, message
  end
end

#post_init ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 18

def post_init
  self.comm_inactivity_timeout = 60
end

#receive_close(id, code = nil) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 67

def receive_close id, code = nil
  if chan = channels[id]
    chan.web.close(code)
    channels.delete id
  end
end

#receive_options(options) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 85

def receive_options options
  @options = options
  receive_pong if version? "> 0.1"
  if version? "< #{Envoy::VERSION}"
    message Envoy::WARN, "Your client is out of date. Please upgrade to #{Envoy::VERSION}."
  elsif version? "> #{Envoy::VERSION}"
    message Envoy::WARN, "Your client is from the future. The server is expecting #{Envoy::VERSION}."
  end
  if @key and @key != @options[:key]
    halt "Key is invalid"
    return
  end
  hosts = @options[:hosts] || []
  hosts.any? do |label|
    if label == "s"
      message Envoy::FATAL, "label is reserved: `#{label}'"
      true
    elsif label =~ /\./
      message Envoy::FATAL, "label is invalid: `#{label}'"
      true
    elsif other_trunk = Trunk.trunks[label][0]
      unless other_trunk.key == key
        message Envoy::FATAL, "label is protected with a key: `#{label}'"
        true
      end
    end
  end && halt
  if hosts.empty?
    hosts = [SecureRandom.random_number(36 ** 4).to_s(36)]
    message Envoy::INFO, "Service accessible at http://#{hosts[0]}.#{$zone}/"
  else
    @hosts = hosts.each do |host|
      Trunk.trunks[host] << self
      message Envoy::INFO, "Service accessible at http://#{host}.#{$zone}/"
    end
  end
  unless @options[:key]
    @options[:key] = SecureRandom.hex(8)
    message Envoy::INFO, "Service access key is `#{@options[:key]}'"
  end
  send_object :confirm, @options if version? ">= 0.2.2"
end

#receive_pong ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 56

def receive_pong
  unless @pinged
    send_object :ping
    @pinged = true
  else
    EM.add_timer 30 do
      send_object :ping
    end
  end
end

#receive_start_tls ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 74

def receive_start_tls
  send_object :start_tls
  start_tls
end

#receive_stream(id, data) ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 79

def receive_stream id, data
  c = channels[id]
  w = c && c.web
  w && w.send_data(data)
end

#unbind ⇒ Object 



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# File 'lib/envoy/server/trunk.rb', line 128

def unbind
  hosts.each do |host|
    Trunk.trunks[host].delete self
  end
end

#version?(*requirement) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/envoy/server/trunk.rb', line 52

def version? *requirement
  Gem::Requirement.new(*requirement) =~ Gem::Version.new(@options[:version])
end