Class: Fluent::Logger::FluentLogger
- Inherits:
-
LoggerBase
- Object
- LoggerBase
- Fluent::Logger::FluentLogger
- Defined in:
- lib/fluent/logger/fluent_logger.rb,
lib/fluent/logger/fluent_logger/cui.rb
Defined Under Namespace
Modules: CUI
Constant Summary collapse
- BUFFER_LIMIT =
8*1024*1024
- RECONNECT_WAIT =
0.5
- RECONNECT_WAIT_INCR_RATE =
1.5
- RECONNECT_WAIT_MAX =
60
- RECONNECT_WAIT_MAX_COUNT =
(1..100).inject(RECONNECT_WAIT_MAX / RECONNECT_WAIT) { |r, i| break i + 1 if r < RECONNECT_WAIT_INCR_RATE r / RECONNECT_WAIT_INCR_RATE }
Instance Attribute Summary collapse
-
#last_error ⇒ Object
readonly
Returns the value of attribute last_error.
-
#limit ⇒ Object
Returns the value of attribute limit.
-
#log_reconnect_error_threshold ⇒ Object
Returns the value of attribute log_reconnect_error_threshold.
-
#logger ⇒ Object
Returns the value of attribute logger.
Instance Method Summary collapse
- #close ⇒ Object
- #connect? ⇒ Boolean
- #connection_string ⇒ Object
- #create_socket! ⇒ Object
-
#initialize(tag_prefix = nil, *args) ⇒ FluentLogger
constructor
A new instance of FluentLogger.
- #pending_bytesize ⇒ Object
- #post_with_time(tag, map, time) ⇒ Object
Methods inherited from LoggerBase
Constructor Details
#initialize(tag_prefix = nil, *args) ⇒ FluentLogger
Returns a new instance of FluentLogger.
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# File 'lib/fluent/logger/fluent_logger.rb', line 61 def initialize(tag_prefix = nil, *args) super() = { :host => 'localhost', :port => 24224 } case args.first when String, Symbol # backward compatible [:host] = args[0] [:port] = args[1] if args[1] when Hash .update args.first end @tag_prefix = tag_prefix @host = [:host] @port = [:port] @socket_path = [:socket_path] @nanosecond_precision = [:nanosecond_precision] @factory = MessagePack::Factory.new if @nanosecond_precision @factory.register_type(EventTime::TYPE, EventTime) end @packer = @factory.packer @mon = Monitor.new @pending = nil @connect_error_history = [] @limit = [:buffer_limit] || BUFFER_LIMIT @log_reconnect_error_threshold = [:log_reconnect_error_threshold] || RECONNECT_WAIT_MAX_COUNT @buffer_overflow_handler = [:buffer_overflow_handler] if logger = [:logger] @logger = logger else @logger = ::Logger.new(STDERR) if [:debug] @logger.level = ::Logger::DEBUG else @logger.level = ::Logger::INFO end end @last_error = {} begin connect! rescue => e set_last_error(e) @logger.error "Failed to connect fluentd: #{$!}" @logger.error "Connection will be retried." end at_exit { close } end |
Instance Attribute Details
#last_error ⇒ Object (readonly)
Returns the value of attribute last_error.
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# File 'lib/fluent/logger/fluent_logger.rb', line 123 def last_error @last_error end |
#limit ⇒ Object
Returns the value of attribute limit.
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# File 'lib/fluent/logger/fluent_logger.rb', line 122 def limit @limit end |
#log_reconnect_error_threshold ⇒ Object
Returns the value of attribute log_reconnect_error_threshold.
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# File 'lib/fluent/logger/fluent_logger.rb', line 122 def log_reconnect_error_threshold @log_reconnect_error_threshold end |
#logger ⇒ Object
Returns the value of attribute logger.
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# File 'lib/fluent/logger/fluent_logger.rb', line 122 def logger @logger end |
Instance Method Details
#close ⇒ Object
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# File 'lib/fluent/logger/fluent_logger.rb', line 139 def close @mon.synchronize { if @pending begin send_data(@pending) rescue => e set_last_error(e) @logger.error("FluentLogger: Can't send logs to #{connection_string}: #{$!}") call_buffer_overflow_handler(@pending) end end @con.close if connect? @con = nil @pending = nil } self end |
#connect? ⇒ Boolean
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# File 'lib/fluent/logger/fluent_logger.rb', line 157 def connect? @con && !@con.closed? end |
#connection_string ⇒ Object
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# File 'lib/fluent/logger/fluent_logger.rb', line 169 def connection_string @socket_path ? "#{@socket_path}" : "#{@host}:#{@port}" end |
#create_socket! ⇒ Object
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# File 'lib/fluent/logger/fluent_logger.rb', line 161 def create_socket! if @socket_path @con = UNIXSocket.new(@socket_path) else @con = TCPSocket.new(@host, @port) end end |
#pending_bytesize ⇒ Object
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# File 'lib/fluent/logger/fluent_logger.rb', line 173 def pending_bytesize if @pending @pending.bytesize else 0 end end |
#post_with_time(tag, map, time) ⇒ Object
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# File 'lib/fluent/logger/fluent_logger.rb', line 129 def post_with_time(tag, map, time) @logger.debug { "event: #{tag} #{map.to_json}" rescue nil } if @logger.debug? tag = "#{@tag_prefix}.#{tag}" if @tag_prefix if @nanosecond_precision && time.is_a?(Time) write [tag, EventTime.new(time), map] else write [tag, time.to_i, map] end end |