Class: Oschii::Cloud

Inherits:
Object
  • Object
show all
Defined in:
lib/oschii/cloud.rb

Constant Summary collapse

PING_PORT = 
3333
PING_ADDR = 
'/hello_oschii'
RESPONSE_PORT = 
3333
RESPONSE_ADDR = 
'/i_am_oschii'
HTTP_PORT = 
8000
BASE_IP_FILE = 
'.base_ip'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(http: false, silent: false) ⇒ Cloud

Returns a new instance of Cloud.



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# File 'lib/oschii/cloud.rb', line 16

def initialize(http: false, silent: false)
  @osc_server = OSC::EMServer.new(RESPONSE_PORT)
  if http
    @http_server = WEBrick::HTTPServer.new(
      Port: HTTP_PORT,
      Logger: WEBrick::Log.new('/dev/null', WEBrick::Log::FATAL)
    )
  end

  @devices = {}
  @silent = silent

  start_listening http: http
end

Instance Attribute Details

#devices ⇒ Object (readonly)

Returns the value of attribute devices.



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# File 'lib/oschii/cloud.rb', line 31

def devices
  @devices
end

#http_server ⇒ Object (readonly)

Returns the value of attribute http_server.



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# File 'lib/oschii/cloud.rb', line 31

def http_server
  @http_server
end

#monitor ⇒ Object (readonly)

Returns the value of attribute monitor.



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# File 'lib/oschii/cloud.rb', line 133

def monitor
  @monitor
end

#osc_server ⇒ Object (readonly)

Returns the value of attribute osc_server.



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# File 'lib/oschii/cloud.rb', line 31

def osc_server
  @osc_server
end

#silent ⇒ Object (readonly)

Returns the value of attribute silent.



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# File 'lib/oschii/cloud.rb', line 31

def silent
  @silent
end

Instance Method Details

#base_ip ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 167

def base_ip
  return @base_ip if @base_ip

  ip = Socket.ip_address_list.detect { |intf| intf.ipv4_private? }

  addr = ip.ip_address.to_s

  @base_ip = addr.split('.')[0..-2].join('.')

  # if File.exists? BASE_IP_FILE
  #   @base_ip = File.read(BASE_IP_FILE).strip
  # else
  #   @base_ip = '192.168.1'
  #   File.write BASE_IP_FILE, @base_ip
  # end
  # @base_ip = @base_ip[0..-2] if @base_ip[-1] == '.'
  # @base_ip
end

#base_ip=(value) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 162

def base_ip=(value)
  File.write BASE_IP_FILE, value unless value.nil?
  @base_ip = value
end

#capture_osc(address, simple: true, &block) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 147

def capture_osc(address, simple: true, &block)
  address = "/#{address}" if address[0] != '/'

  osc_server.add_method address do |message|
    value = simple ? message.to_a.first&.to_i : message.to_a
    if block_given?
      yield value
    else
      puts "--> OSC #{address} [ #{value} ]"
    end
  end
end

#find_devices(echo: false) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 186

def find_devices(echo: false)
  @devices = {}
  saved = saved_devices
  saved.each do |ip|
    begin
      print "\r#{ip}" if echo

      client = OSC::Client.new(ip, PING_PORT)
      client.send(OSC::Message.new(PING_ADDR, 1))
    rescue => e
      # puts e.message
    end
  end

  Thread.new do
    (1..254).each do |i|
      begin
        ip = "#{base_ip}.#{i}"

        next if saved.include? ip

        print "\r#{ip}" if echo

        client = OSC::Client.new(ip, PING_PORT)
        client.send(OSC::Message.new(PING_ADDR, 1))

        sleep 0.08
      rescue => e
        # puts e.message
      end
    end
  end

  puts if echo
end

#find_serial(port = nil) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 33

def find_serial(port = nil)
  return ::Oschii::SerialDevice.new(port) if port

  puts "\n~~> Scanning Serial Ports...."

  Dir.glob('/dev/cu.usbserial*') do |port|
    # 9.times do |i|
    #   port = "/dev/ttyUSB#{i}"
    print "\n~~> #{port}: "
    begin
      node = ::Oschii::SerialDevice.new(port)
      name = "serial_#{node.name.downcase}".to_sym
      if (existing_node = devices[name.downcase.to_sym])
        existing_node.refresh
      else
        devices[name] = node
        node.refresh
      end
      puts "'#{node.name}'"
    rescue ::Oschii::DeviceUnavailable => e
      puts e.message
    end
  end

  print_devices

  self
end

#get(name) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 274

def get(name)
  devices[name.to_s.downcase.to_sym]
end

#inspect ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 278

def inspect
  "<#{self.class.name} #{local_ip_address} devices: #{devices.size}>"
end

#local_ip_address ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 282

def local_ip_address
  ip = Socket.ip_address_list.detect { |intf| intf.ipv4_private? }
  ip.ip_address
end

#monitor_osc(*address_list, max: 100) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 135

def monitor_osc(*address_list, max: 100)
  @monitor ||= OscMonitor.new self

  address_list = [address_list] unless address_list.is_a?(Array)

  address_list.each do |address|
    monitor.add address, max: max
  end

  monitor.run
end

#populate(echo: false) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 222

def populate(echo: false)
  find_devices(echo: echo)

  start_waiting = Time.now
  while Time.now - start_waiting < 3
    sleep 0.2
  end

  print_devices unless silent
  self
end

#print_devices ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 234

def print_devices
  puts
  puts self.to_s
  puts
  puts
end

#restart ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 127

def restart
  devices.each do |_name, oschii|
    Thread.new { oschii.restart }
  end
end

#save_device(ip) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 295

def save_device(ip)
  return if saved_devices.include? ip

  @saved_devices << ip

  File.write('.saved_devices', @saved_devices.join("\n"))
end

#saved_devices ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 287

def saved_devices
  @saved_devices ||= if File.exists? '.saved_devices'
                       File.read('.saved_devices').split("\n")
                     else
                       []
                     end
end

#start_listening(http: false) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 62

def start_listening(http: false)
  osc_server.add_method RESPONSE_ADDR do |message|
    payload = message.to_a.first
    begin
      json = JSON.parse(payload)
      name = json['name']
      ip = json['ip']
    rescue JSON::ParserError
      name = payload.split(':').last.strip
      ip = message.ip_address
    end

    if (device = devices[name.downcase.to_sym])
      puts "\n==> '#{name}' is back\n" unless silent
      device.refresh
    else
      begin
        device = ::Oschii::HttpDevice.new(ip)
        # add_http_handlers device
        puts "\n==> '#{name}' connected @ #{device.ip_address}\n" unless silent
        devices[name.downcase.to_sym] = device
      rescue Errno::ECONNREFUSED => e
        puts "\n!!! Failed connecting to #{name} on #{ip}"
      end
    end
    save_device device.ip
  end

  Thread.new do
    puts "~~> Starting OSC Server on #{base_ip}:#{RESPONSE_PORT}" unless silent
    osc_server.run
  end

  trap 'INT' do
    http_server.shutdown
    exit
  end

  if http
    Thread.new do
      puts "~~> Starting HTTP Server on #{base_ip}:#{HTTP_PORT}" unless silent
      http_server.start
    end

    http_server.mount '/api/devices', GetDevices, self
    http_server.mount '/api/refresh', RefreshCloud, self
  end
end

#to_s ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 241

def to_s
  return '' if devices.empty?

  result = ''

  conn_width = 0
  name_width = 0
  devices.each do |name, device|
    if device.is_a? ::Oschii::SerialDevice
      conn_width = device.serial_port.size if device.serial_port.size > conn_width
    elsif device.is_a? ::Oschii::HttpDevice
      conn_width = device.ip.size if device.ip.size > conn_width
    end
    name_width = name.size if name.size > name_width
  end

  sorted = devices.to_a.sort_by { |name, _node| name }.to_h

  result += "\e[1m#{'Name'.ljust(name_width + 3)}#{'Connection'.ljust(conn_width + 3)}#{'Version'}\e[22m"
  sorted.each do |_name, device|
    connection = if device.is_a? ::Oschii::SerialDevice
                   device.serial.ljust(conn_width)
                 elsif device.is_a? ::Oschii::HttpDevice
                   device.ip.ljust(conn_width)
                 else
                   ""
                 end
    result += "\n#{device.name.ljust(name_width)}   #{connection}   #{device.version}"
  end
  result += "\n"
  result
end

#wait_for(oschii_name, timeout: 300) ⇒ Object 



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# File 'lib/oschii/cloud.rb', line 111

def wait_for(oschii_name, timeout: 300)
  print "==> Waiting for '#{oschii_name}'.... "
  find_devices
  oschii = nil
  started = Time.now
  while oschii.nil? && Time.now - started <= timeout
    oschii = get oschii_name
  end
  if oschii
    puts 'FOUND :D'
  else
    puts 'NOT FOUND :('
  end
  oschii
end