Class: Thrift::Socket
- Defined in:
- lib/thrift/transport/socket.rb
Direct Known Subclasses
Instance Attribute Summary collapse
-
#handle ⇒ Object
Returns the value of attribute handle.
-
#timeout ⇒ Object
Returns the value of attribute timeout.
Instance Method Summary collapse
- #close ⇒ Object
-
#initialize(host = 'localhost', port = 9090, timeout = nil) ⇒ Socket
constructor
A new instance of Socket.
- #open ⇒ Object
- #open? ⇒ Boolean
- #read(sz) ⇒ Object
- #to_io ⇒ Object
- #write(str) ⇒ Object
Methods inherited from Transport
Constructor Details
#initialize(host = 'localhost', port = 9090, timeout = nil) ⇒ Socket
Returns a new instance of Socket.
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# File 'lib/thrift/transport/socket.rb', line 14 def initialize(host='localhost', port=9090, timeout=nil) @host = host @port = port @timeout = timeout @desc = "#{host}:#{port}" @handle = nil end |
Instance Attribute Details
#handle ⇒ Object
Returns the value of attribute handle.
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# File 'lib/thrift/transport/socket.rb', line 22 def handle @handle end |
#timeout ⇒ Object
Returns the value of attribute timeout.
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# File 'lib/thrift/transport/socket.rb', line 22 def timeout @timeout end |
Instance Method Details
#close ⇒ Object
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# File 'lib/thrift/transport/socket.rb', line 116 def close @handle.close unless @handle.nil? or @handle.closed? @handle = nil end |
#open ⇒ Object
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# File 'lib/thrift/transport/socket.rb', line 24 def open begin addrinfo = ::Socket::getaddrinfo(@host, @port).first @handle = ::Socket.new(addrinfo[4], ::Socket::SOCK_STREAM, 0) sockaddr = ::Socket.sockaddr_in(addrinfo[1], addrinfo[3]) begin @handle.connect_nonblock(sockaddr) rescue Errno::EINPROGRESS unless IO.select(nil, [ @handle ], nil, @timeout) raise TransportException.new(TransportException::NOT_OPEN, "Connection timeout to #{@desc}") end begin @handle.connect_nonblock(sockaddr) rescue Errno::EISCONN end end @handle rescue StandardError => e raise TransportException.new(TransportException::NOT_OPEN, "Could not connect to #{@desc}: #{e}") end end |
#open? ⇒ Boolean
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# File 'lib/thrift/transport/socket.rb', line 46 def open? !@handle.nil? and !@handle.closed? end |
#read(sz) ⇒ Object
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# File 'lib/thrift/transport/socket.rb', line 81 def read(sz) raise IOError, "closed stream" unless open? begin if @timeout.nil? or @timeout == 0 data = @handle.readpartial(sz) else # it's possible to interrupt select for something other than the timeout # so we need to ensure we've waited long enough start = Time.now rd = nil # scoping loop do rd, = IO.select([@handle], nil, nil, @timeout) break if (rd and not rd.empty?) or Time.now - start >= @timeout end if rd.nil? or rd.empty? raise TransportException.new(TransportException::TIMED_OUT, "Socket: Timed out reading #{sz} bytes from #{@desc}") else data = @handle.readpartial(sz) end end rescue TransportException => e # don't let this get caught by the StandardError handler raise e rescue StandardError => e @handle.close unless @handle.closed? @handle = nil raise TransportException.new(TransportException::NOT_OPEN, e.) end if (data.nil? or data.length == 0) raise TransportException.new(TransportException::UNKNOWN, "Socket: Could not read #{sz} bytes from #{@desc}") end data end |
#to_io ⇒ Object
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# File 'lib/thrift/transport/socket.rb', line 121 def to_io @handle end |
#write(str) ⇒ Object
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# File 'lib/thrift/transport/socket.rb', line 50 def write(str) raise IOError, "closed stream" unless open? begin if @timeout.nil? or @timeout == 0 @handle.write(str) else len = 0 start = Time.now while Time.now - start < @timeout rd, wr, = IO.select(nil, [@handle], nil, @timeout) if wr and not wr.empty? len += @handle.write_nonblock(str[len..-1]) break if len >= str.length end end if len < str.length raise TransportException.new(TransportException::TIMED_OUT, "Socket: Timed out writing #{str.length} bytes to #{@desc}") else len end end rescue TransportException => e # pass this on raise e rescue StandardError => e @handle.close @handle = nil raise TransportException.new(TransportException::NOT_OPEN, e.) end end |