class Mongo::TCPSocket

Wrapper class for Socket

Emulates TCPSocket with operation and connection timeout sans Timeout::timeout

Attributes

pool[RW]

Public Class Methods

new(host, port, op_timeout=nil, connect_timeout=nil) click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 13
def initialize(host, port, op_timeout=nil, connect_timeout=nil)
  @op_timeout = op_timeout 
  @connect_timeout = connect_timeout

  # TODO: Prefer ipv6 if server is ipv6 enabled
  @host = Socket.getaddrinfo(host, nil, Socket::AF_INET).first[3]
  @port = port

  @socket_address = Socket.pack_sockaddr_in(@port, @host)
  @socket = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
  @socket.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)

  connect
end

Public Instance Methods

close() click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 70
def close
  @socket.close
end
closed?() click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 74
def closed?
  @socket.closed?
end
connect() click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 28
def connect
  if @connect_timeout
    Timeout::timeout(@connect_timeout, OperationTimeout) do
      @socket.connect(@socket_address)
    end
  else
    @socket.connect(@socket_address)
  end
end
read(maxlen, buffer) click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 42
def read(maxlen, buffer)
  # Block on data to read for @op_timeout seconds
  begin
    ready = IO.select([@socket], nil, [@socket], @op_timeout)
  rescue IOError
    raise OperationFailure
  end
  if ready
    begin
      @socket.sysread(maxlen, buffer)
    rescue SystemCallError => ex
      # Needed because sometimes JRUBY doesn't throw Errno::ECONNRESET as it should
      # http://jira.codehaus.org/browse/JRUBY-6180
      raise ConnectionFailure, ex
    rescue Errno::ENOTCONN, Errno::EBADF, Errno::ECONNRESET, Errno::EPIPE, Errno::ETIMEDOUT, EOFError => ex
      raise ConnectionFailure, ex
    rescue Errno::EINTR, Errno::EIO, IOError => ex
      raise OperationFailure, ex
    end
  else
    raise OperationTimeout
  end
end
send(data) click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 38
def send(data)
  @socket.write(data)
end
setsockopt(key, value, n) click to toggle source
# File lib/mongo/util/tcp_socket.rb, line 66
def setsockopt(key, value, n)
  @socket.setsockopt(key, value, n)
end