Class: Fluent::ParserFilter
- Inherits:
-
Filter
- Object
- Filter
- Fluent::ParserFilter
- Defined in:
- lib/fluent/plugin/filter_parser.rb
Constant Summary collapse
- @@lines_buffer =
ThreadSafe::Hash.new
Instance Attribute Summary collapse
-
#parser ⇒ Object
readonly
Returns the value of attribute parser.
Instance Method Summary collapse
- #configure(conf) ⇒ Object
- #filter_stream(tag, es) ⇒ Object
-
#initialize ⇒ ParserFilter
constructor
A new instance of ParserFilter.
- #parse_multilines(tag, time, record, line, new_es, es) ⇒ Object
- #parse_singleline(tag, time, record, line, new_es, es) ⇒ Object
Constructor Details
#initialize ⇒ ParserFilter
Returns a new instance of ParserFilter.
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# File 'lib/fluent/plugin/filter_parser.rb', line 18 def initialize super require 'time' end |
Instance Attribute Details
#parser ⇒ Object (readonly)
Returns the value of attribute parser.
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# File 'lib/fluent/plugin/filter_parser.rb', line 16 def parser @parser end |
Instance Method Details
#configure(conf) ⇒ Object
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# File 'lib/fluent/plugin/filter_parser.rb', line 23 def configure(conf) super @multiline_mode = conf['format'] =~ /multiline/ @receive_handler = if @multiline_mode method(:parse_multilines) else method(:parse_singleline) end @parser = Fluent::TextParser.new @parser.estimate_current_event = false @parser.configure(conf) if !@time_parse && @parser.parser.respond_to?("time_key=".to_sym) # disable parse time @parser.parser.time_key = nil end self end |
#filter_stream(tag, es) ⇒ Object
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# File 'lib/fluent/plugin/filter_parser.rb', line 85 def filter_stream(tag, es) new_es = Fluent::MultiEventStream.new es.each do |time,record| raw_value = record[@key_name] begin @receive_handler.call(tag, time, record, raw_value, new_es, es) rescue Fluent::TextParser::ParserError => e log.warn e. unless @suppress_parse_error_log rescue ArgumentError => e if @replace_invalid_sequence unless e..index("invalid byte sequence in") == 0 raise end replaced_string = replace_invalid_byte(raw_value) @parser.parse(replaced_string) do |t,values| if values t ||= time r = handle_parsed(tag, record, t, values) new_es.add(t, r) else log.warn "pattern not match with data '#{raw_value}'" unless @suppress_parse_error_log if @reserve_data t = time r = handle_parsed(tag, record, time, {}) new_es.add(t, r) end end end else raise end rescue => e log.warn "parse failed #{e.}" unless @suppress_parse_error_log end end new_es end |
#parse_multilines(tag, time, record, line, new_es, es) ⇒ Object
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# File 'lib/fluent/plugin/filter_parser.rb', line 66 def parse_multilines(tag, time, record, line, new_es, es) if @@lines_buffer.has_key?(tag) matches = @parser.parser.firstline?(line) if matches index = line.index(matches[0]) if index && index > 0 @@lines_buffer[tag] << line[0..index] line = line[index..-1] end parse_singleline(tag, time, record, @@lines_buffer[tag], new_es, es) @@lines_buffer[tag] = line else @@lines_buffer[tag] << line end else @@lines_buffer[tag] = line end end |
#parse_singleline(tag, time, record, line, new_es, es) ⇒ Object
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# File 'lib/fluent/plugin/filter_parser.rb', line 43 def parse_singleline(tag, time, record, line, new_es, es) line.chomp! @parser.parse(line) do |t,values| if values if @time_parse t ||= time else t = time end r = handle_parsed(tag, record, t, values) new_es.add(t, r) else log.warn "pattern not match with data #{tag} '#{line}'" unless @suppress_parse_error_log if @reserve_data t = time r = handle_parsed(tag, record, time, {}) es.add(t, r) end end end new_es end |