Class: Excon::Socket

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Includes:
Utils
Defined in:
lib/excon/socket.rb

Direct Known Subclasses

SSLSocket, UnixSocket

Constant Summary collapse

CONNECT_RETRY_EXCEPTION_CLASSES =

read/write drawn from github.com/ruby-amqp/bunny/commit/75d9dd79551b31a5dd3d1254c537bad471f108cf

if defined?(IO::EINPROGRESSWaitWritable) # Ruby >= 2.1
  [Errno::EINPROGRESS, IO::EINPROGRESSWaitWritable]
else # Ruby <= 2.0
  [Errno::EINPROGRESS]
end
READ_RETRY_EXCEPTION_CLASSES =

Ruby >= 2.1

if defined?(IO::EAGAINWaitReadable) # Ruby >= 2.1
  [Errno::EAGAIN, Errno::EWOULDBLOCK, IO::WaitReadable, IO::EAGAINWaitReadable, IO::EWOULDBLOCKWaitReadable]
else # Ruby <= 2.0
  [Errno::EAGAIN, Errno::EWOULDBLOCK, IO::WaitReadable]
end
WRITE_RETRY_EXCEPTION_CLASSES =

Ruby >= 2.1

if defined?(IO::EAGAINWaitWritable) # Ruby >= 2.1
  [Errno::EAGAIN, Errno::EWOULDBLOCK, IO::WaitWritable, IO::EAGAINWaitWritable, IO::EWOULDBLOCKWaitWritable]
else # Ruby <= 2.0
  [Errno::EAGAIN, Errno::EWOULDBLOCK, IO::WaitWritable]
end

Constants included from Utils

Utils::CONTROL, Utils::DELIMS, Utils::ESCAPED, Utils::NONASCII, Utils::UNESCAPED, Utils::UNWISE

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Utils

#binary_encode, #connection_uri, #escape_uri, #port_string, #query_string, #redact, #request_uri, #split_header_value, #unescape_form, #unescape_uri

Constructor Details

#initialize(data = {}) ⇒ Socket

Returns a new instance of Socket.



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# File 'lib/excon/socket.rb', line 41

def initialize(data = {})
  @data = data
  @nonblock = data[:nonblock]
  @port ||= @data[:port] || 80
  @read_buffer = String.new
  @eof = false
  connect
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/excon/socket.rb', line 8

def data
  @data
end

#remote_ip ⇒ Object (readonly)

Returns the value of attribute remote_ip.



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# File 'lib/excon/socket.rb', line 37

def remote_ip
  @remote_ip
end

Instance Method Details

#legacy_readline ⇒ Object 



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# File 'lib/excon/socket.rb', line 77

def legacy_readline
  begin
    Timeout.timeout(@data[:read_timeout]) do
      @socket.readline
    end
  rescue Timeout::Error
    raise Excon::Errors::Timeout.new('read timeout reached')
  end
end

#local_address ⇒ Object 



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# File 'lib/excon/socket.rb', line 95

def local_address
  unpacked_sockaddr[1]
end

#local_port ⇒ Object 



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# File 'lib/excon/socket.rb', line 99

def local_port
  unpacked_sockaddr[0]
end

#params ⇒ Object 



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# File 'lib/excon/socket.rb', line 27

def params
  Excon.display_warning('Excon::Socket#params is deprecated use Excon::Socket#data instead.')
  @data
end

#params=(new_params) ⇒ Object 



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# File 'lib/excon/socket.rb', line 32

def params=(new_params)
  Excon.display_warning('Excon::Socket#params= is deprecated use Excon::Socket#data= instead.')
  @data = new_params
end

#read(max_length = nil) ⇒ Object 



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# File 'lib/excon/socket.rb', line 50

def read(max_length = nil)
  if @eof
    return max_length ? nil : ''
  elsif @nonblock
    read_nonblock(max_length)
  else
    read_block(max_length)
  end
end

#readline ⇒ Object 



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# File 'lib/excon/socket.rb', line 60

def readline
  return legacy_readline if RUBY_VERSION.to_f <= 1.8_7
  buffer = String.new
  begin
    buffer << @socket.read_nonblock(1) while buffer[-1] != "\n"
    buffer
  rescue *READ_RETRY_EXCEPTION_CLASSES
    select_with_timeout(@socket, :read) && retry
  rescue OpenSSL::SSL::SSLError => error
    if error.message == 'read would block'
      select_with_timeout(@socket, :read) && retry
    else
      raise(error)
    end
  end
end

#write(data) ⇒ Object 



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# File 'lib/excon/socket.rb', line 87

def write(data)
  if @nonblock
    write_nonblock(data)
  else
    write_block(data)
  end
end