# File lib/em-websocket/connection.rb, line 142 def send(data) # If we're using Ruby 1.9, be pedantic about encodings if ENCODING_SUPPORTED # Also accept ascii only data in other encodings for convenience unless (data.encoding == UTF8 && data.valid_encoding?) || data.ascii_only? raise WebSocketError, "Data sent to WebSocket must be valid UTF-8 but was #{data.encoding} (valid: #{data.valid_encoding?})" end # This labels the encoding as binary so that it can be combined with # the BINARY framing data.force_encoding(BINARY) else # TODO: Check that data is valid UTF-8 end if @handler @handler.send_text_frame(data) else raise WebSocketError, "Cannot send data before onopen callback" end # Revert data back to the original encoding (which we assume is UTF-8) # Doing this to avoid duping the string - there may be a better way data.force_encoding(UTF8) if ENCODING_SUPPORTED return nil end