Class: Device::Network

Inherits:
Object
  • Object
show all
Defined in:
lib/device/network.rb

Constant Summary collapse

MEDIA_GPRS = 
"gprs"
MEDIA_WIFI = 
"wifi"
MEDIA_ETHERNET = 
"ethernet"
AUTH_NONE_OPEN = 
"open"
AUTH_NONE_WEP = 
"wep"
AUTH_NONE_WEP_SHARED = 
"wepshared"
AUTH_IEEE8021X = 
"IEEE8021X"
AUTH_WPA_PSK = 
"wpapsk"
AUTH_WPA_WPA2_PSK = 
"wpawpa2psk"
AUTH_WPA2_PSK = 
"wpa2psk"
PARE_CIPHERS_NONE = 
"none"
PARE_CIPHERS_WEP64 = 
"wep64"
PARE_CIPHERS_WEP128 = 
"wep128"
PARE_CIPHERS_WEPX = 
"wepx"
PARE_CIPHERS_CCMP = 
"ccmp"
PARE_CIPHERS_TKIP = 
"tkip"
MODE_IBSS = 
"ibss"
MODE_STATION = 
"station"
TIMEOUT = 
-3320
NO_CONNECTION = 
-1012
SUCCESS = 
0
PROCESSING = 
1

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.apn ⇒ Object

Returns the value of attribute apn.



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# File 'lib/device/network.rb', line 38

def apn
  @apn
end

.password ⇒ Object

Returns the value of attribute password.



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# File 'lib/device/network.rb', line 38

def password
  @password
end

.socket ⇒ Object

Returns the value of attribute socket.



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# File 'lib/device/network.rb', line 38

def socket
  @socket
end

.socket_ssl ⇒ Object

Returns the value of attribute socket_ssl.



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# File 'lib/device/network.rb', line 38

def socket_ssl
  @socket_ssl
end

.socket_tcp ⇒ Object

Returns the value of attribute socket_tcp.



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# File 'lib/device/network.rb', line 38

def socket_tcp
  @socket_tcp
end

.ssl ⇒ Object

Returns the value of attribute ssl.



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# File 'lib/device/network.rb', line 38

def ssl
  @ssl
end

.type ⇒ Object

Returns the value of attribute type.



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# File 'lib/device/network.rb', line 38

def type
  @type
end

.user ⇒ Object

Returns the value of attribute user.



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# File 'lib/device/network.rb', line 38

def user
  @user
end

Class Method Details

.adapter ⇒ Object 



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# File 'lib/device/network.rb', line 41

def self.adapter
  Device.adapter::Network
end

.attach ⇒ Object 



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# File 'lib/device/network.rb', line 146

def self.attach
  Device::Network.init(*self.config)
  ret = Device::Network.connect
  ret = Device::Network.connected? if ret != SUCCESS
  while(ret == PROCESSING)
    ret = Device::Network.connected?
  end
  if ret == SUCCESS && (wifi? || ethernet?)
    Device::Network.dhcp_client(20000)
  end
  ret
end

.close_socket ⇒ Object 



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# File 'lib/device/network.rb', line 136

def self.close_socket
  @socket.close
  if @socket != @socket_tcp
    @socket_tcp.close
  end
  @socket     = nil
  @socket_tcp = nil
  @socket_ssl = nil
end

.config ⇒ Object 



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# File 'lib/device/network.rb', line 159

def self.config
  # TODO raise some error if media was not set
  [Device::Setting.media, self.config_media]
end

.config_media ⇒ Object

TODO should check if WIFI, ETHERNET and etc



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# File 'lib/device/network.rb', line 165

def self.config_media
  if gprs?
    {
      apn:      Device::Setting.apn,
      user:     Device::Setting.user,
      password: Device::Setting.password
    }
  elsif wifi?
    {
      authentication: Device::Setting.authentication,
      password:       Device::Setting.password,
      essid:          Device::Setting.essid,
      channel:        Device::Setting.channel,
      cipher:         Device::Setting.cipher,
      mode:           Device::Setting.mode
    }
  elsif ethernet?
    Hash.new
  end
end

.configured? ⇒ Boolean

Returns:



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# File 'lib/device/network.rb', line 62

def self.configured?
  Device::Setting.network_configured == "1"
end

.connect ⇒ Object 



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# File 'lib/device/network.rb', line 53

def self.connect
  adapter.connect
end

.connected? ⇒ Boolean

Returns:



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# File 'lib/device/network.rb', line 57

def self.connected?
  return NO_CONNECTION unless self.adapter.started?
  adapter.connected?
end

.create_socket ⇒ Object 



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# File 'lib/device/network.rb', line 132

def self.create_socket
  TCPSocket.new(Device::Setting.host, Device::Setting.host_port)
end

.dhcp_client(timeout) ⇒ Object 



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# File 'lib/device/network.rb', line 74

def self.dhcp_client(timeout)
  time = Time.now + (timeout.to_f / 1000.0)
  ret = adapter.dhcp_client_start
  if (ret == SUCCESS)
    ret = PROCESSING
    while(ret == PROCESSING) # 1 - In process to attach
      ret = adapter.dhcp_client_check
      break ret = TIMEOUT unless (time >= Time.now)
    end
  end
  ret
end

.disconnect ⇒ Object 



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# File 'lib/device/network.rb', line 70

def self.disconnect
  adapter.disconnect
end

.ethernet? ⇒ Boolean

Returns:



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# File 'lib/device/network.rb', line 194

def self.ethernet?
  Device::Setting.media == "ethernet"
end

.gprs? ⇒ Boolean

Returns:



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# File 'lib/device/network.rb', line 186

def self.gprs?
  Device::Setting.media == "gprs"
end

.handshake! ⇒ Object 



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# File 'lib/device/network.rb', line 105

def self.handshake!
  handshake = "#{Device::System.serial};#{Device::System.app};#{Device::Setting.logical_number};#{Device.version}"
  socket.write("#{handshake.size.chr}#{handshake}")

  company_name = socket_tcp.closed? ? nil : socket.read(3)
  return false if company_name == "err" || company_name.nil?

  Device::Setting.company_name = company_name
  true
end

.handshake_ssl(tcp) ⇒ Object 



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# File 'lib/device/network.rb', line 93

def self.handshake_ssl(tcp)
  return if tcp.closed?
  entropy = PolarSSL::Entropy.new
  ctr_drbg = PolarSSL::CtrDrbg.new entropy
  s_ssl = PolarSSL::SSL.new
  s_ssl.set_endpoint PolarSSL::SSL::SSL_IS_CLIENT
  s_ssl.set_rng ctr_drbg
  s_ssl.set_socket tcp
  s_ssl.handshake
  s_ssl
end

.handshake_ssl! ⇒ Object 



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# File 'lib/device/network.rb', line 87

def self.handshake_ssl!
  @socket_ssl = self.handshake_ssl(@socket_tcp)
  @ssl = true
  @socket = @socket_ssl
end

.init(type, options) ⇒ Object 



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# File 'lib/device/network.rb', line 45

def self.init(type, options)
  adapter.init(type, options)
end

.ping(host, port) ⇒ Object 



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# File 'lib/device/network.rb', line 66

def self.ping(host, port)
  adapter.ping(host, port)
end

.power(command) ⇒ Object 



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# File 'lib/device/network.rb', line 49

def self.power(command)
  adapter.power(command)
end

.walk_socket ⇒ Object

Create Socket in Walk Switch



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# File 'lib/device/network.rb', line 117

def self.walk_socket
  if @socket
    @socket
  else
    @socket_tcp = create_socket
    if Device::Setting.ssl == "1"
      handshake_ssl!
    else
      @socket = @socket_tcp
    end
    handshake!
    @socket
  end
end

.wifi? ⇒ Boolean

Returns:



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# File 'lib/device/network.rb', line 190

def self.wifi?
  Device::Setting.media == "wifi"
end