Class: GrpcKit::Streams::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/grpc_kit/streams/client.rb

Instance Method Summary collapse

Constructor Details

#initialize(session:, config:, authority:) ⇒ Client

Returns a new instance of Client.



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# File 'lib/grpc_kit/streams/client.rb', line 10

def initialize(session:, config:, authority:)
  @config = config
  @session = session
  @stream = nil
  @authority = authority
end

Instance Method Details

#close_and_recv ⇒ Object 



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# File 'lib/grpc_kit/streams/client.rb', line 59

def close_and_recv
  unless @stream
    raise 'You should call `send` method to send data'
  end

  unless @stream.end_write?
    @session.resume_data(@stream.stream_id)
  end

  @stream.end_write
  @session.start(@stream.stream_id)
  @stream.end_read

  check_status!

  data = []
  @stream.each { |d| data.push(d) }
  data
end

#each(&block) ⇒ Object 



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# File 'lib/grpc_kit/streams/client.rb', line 36

def each(&block)
  unless @stream
    raise 'You should call `send` method to send data'
  end

  @stream.each(&block)
end

#recv(last: false) ⇒ Object 



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# File 'lib/grpc_kit/streams/client.rb', line 44

def recv(last: false)
  unless @stream
    raise 'You should call `send` method to send data'
  end

  data = @stream.recv(last: last, limit_size: @config.max_receive_message_size)

  if data.nil?
    check_status!
    raise StopIteration
  end

  data
end

#send_msg(data, metadata: {}, timeout: nil, last: false) ⇒ Object 



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# File 'lib/grpc_kit/streams/client.rb', line 17

def send_msg(data, metadata: {}, timeout: nil, last: false)
  if @stream
    # unless metadata.empty?
    #   raise 'You can attach metadata at first send_msg' # XXX
    # end

    unless @stream.end_write?
      @session.resume_data(@stream.stream_id)
    end
  else
    headers = build_headers(metadata: metadata, timeout: timeout)
    stream = @session.start_request(GrpcKit::Streams::SendBuffer.new, headers)
    @stream = GrpcKit::Stream.new(protobuf: @config.protobuf, session: @session, stream: stream)
  end

  @stream.send(data, last: last, limit_size: @config.max_send_message_size)
  @session.run_once
end