Class: LogStash::Outputs::Tcp
- Inherits:
-
Base
- Object
- Base
- LogStash::Outputs::Tcp
- Defined in:
- lib/logstash/outputs/tcp.rb
Overview
Write events over a TCP socket.
Each event json is separated by a newline.
Can either accept connections from clients or connect to a server, depending on ‘mode`.
Defined Under Namespace
Classes: Client
Instance Method Summary collapse
- #Base ⇒ Object
- #log_error(msg, e, backtrace: @logger.info?, **details) ⇒ Object
- #log_warn(msg, e, backtrace: @logger.debug?, **details) ⇒ Object
- #Base ⇒ Object
- #Base ⇒ Object
- #run_as_client ⇒ Object
- #run_as_server ⇒ Object
Instance Method Details
#Base ⇒ Object
231 232 233 234 235 236 237 238 239 240 |
# File 'lib/logstash/outputs/tcp.rb', line 231 def close @closed.make_true @server_socket.close rescue nil if @server_socket return unless @client_threads @client_threads.each do |thread| client = thread[:client] client.close rescue nil if client end end |
#log_error(msg, e, backtrace: @logger.info?, **details) ⇒ Object
248 249 250 251 252 |
# File 'lib/logstash/outputs/tcp.rb', line 248 def log_error(msg, e, backtrace: @logger.info?, **details) details = details.merge message: e., exception: e.class details[:backtrace] = e.backtrace if backtrace @logger.error(msg, details) end |
#log_warn(msg, e, backtrace: @logger.debug?, **details) ⇒ Object
242 243 244 245 246 |
# File 'lib/logstash/outputs/tcp.rb', line 242 def log_warn(msg, e, backtrace: @logger.debug?, **details) details = details.merge message: e., exception: e.class details[:backtrace] = e.backtrace if backtrace @logger.warn(msg, details) end |
#Base ⇒ Object
226 227 228 |
# File 'lib/logstash/outputs/tcp.rb', line 226 def receive(event) @codec.encode(event) end |
#Base ⇒ Object
141 142 143 144 145 146 147 148 149 150 151 152 153 |
# File 'lib/logstash/outputs/tcp.rb', line 141 def register require "socket" require "stud/try" @closed = Concurrent::AtomicBoolean.new(false) @thread_no = Concurrent::AtomicFixnum.new(0) setup_ssl if @ssl_enable if server? run_as_server else run_as_client end end |
#run_as_client ⇒ Object
198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 |
# File 'lib/logstash/outputs/tcp.rb', line 198 def run_as_client client_socket = nil @codec.on_event do |event, payload| begin client_socket = connect unless client_socket while payload && payload.bytesize > 0 begin written_bytes_size = client_socket.write_nonblock(payload) payload = payload.byteslice(written_bytes_size..-1) rescue IO::WaitReadable IO.select([client_socket]) retry rescue IO::WaitWritable IO.select(nil, [client_socket]) retry end end rescue => e log_warn "client socket failed:", e, host: @host, port: @port, socket: (client_socket ? client_socket.to_s : nil) client_socket.close rescue nil client_socket = nil sleep @reconnect_interval retry end end end |
#run_as_server ⇒ Object
155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 |
# File 'lib/logstash/outputs/tcp.rb', line 155 def run_as_server @logger.info("Starting tcp output listener", :address => "#{@host}:#{@port}") begin @server_socket = TCPServer.new(@host, @port) rescue Errno::EADDRINUSE @logger.error("Could not start tcp server: Address in use", host: @host, port: @port) raise end if @ssl_enable @server_socket = OpenSSL::SSL::SSLServer.new(@server_socket, @ssl_context) end # @ssl_enable @client_threads = Concurrent::Array.new @accept_thread = Thread.new(@server_socket) do |server_socket| LogStash::Util.set_thread_name("[#{pipeline_id}]|output|tcp|server_accept") loop do break if @closed.value client_socket = server_socket.accept_nonblock exception: false if client_socket == :wait_readable IO.select [ server_socket ] next end Thread.start(client_socket) do |client_socket| # monkeypatch a 'peer' method onto the socket. client_socket.extend(::LogStash::Util::SocketPeer) @logger.debug("accepted connection", client: client_socket.peer, server: "#{@host}:#{@port}") client = Client.new(client_socket, self) Thread.current[:client] = client LogStash::Util.set_thread_name("[#{pipeline_id}]|output|tcp|client_socket-#{@thread_no.increment}") @client_threads << Thread.current client.run unless @closed.value end end end @codec.on_event do |event, payload| @client_threads.select!(&:alive?) @client_threads.each do |client_thread| client_thread[:client].write(payload) end end end |