Class: Puma::Reactor
- Inherits:
-
Object
- Object
- Puma::Reactor
- Defined in:
- lib/puma/reactor.rb
Constant Summary collapse
- DefaultSleepFor =
5
Instance Method Summary collapse
- #add(c) ⇒ Object
- #calculate_sleep ⇒ Object
-
#clear! ⇒ Object
Close all watched sockets and clear them from being watched.
-
#initialize(server, app_pool) ⇒ Reactor
constructor
A new instance of Reactor.
- #run ⇒ Object
- #run_in_thread ⇒ Object
- #shutdown ⇒ Object
Constructor Details
#initialize(server, app_pool) ⇒ Reactor
Returns a new instance of Reactor.
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# File 'lib/puma/reactor.rb', line 5 def initialize(server, app_pool) @server = server @events = server.events @app_pool = app_pool @mutex = Mutex.new @ready, @trigger = IO.pipe @input = [] @sleep_for = DefaultSleepFor @timeouts = [] @sockets = [@ready] end |
Instance Method Details
#add(c) ⇒ Object
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# File 'lib/puma/reactor.rb', line 119 def add(c) @mutex.synchronize do @input << c @trigger << "*" if c.timeout_at @timeouts << c @timeouts.sort! { |a,b| a.timeout_at <=> b.timeout_at } calculate_sleep end end end |
#calculate_sleep ⇒ Object
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# File 'lib/puma/reactor.rb', line 105 def calculate_sleep if @timeouts.empty? @sleep_for = DefaultSleepFor else diff = @timeouts.first.timeout_at.to_f - Time.now.to_f if diff < 0.0 @sleep_for = 0 else @sleep_for = diff end end end |
#clear! ⇒ Object
Close all watched sockets and clear them from being watched
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# File 'lib/puma/reactor.rb', line 134 def clear! @trigger << "c" end |
#run ⇒ Object
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# File 'lib/puma/reactor.rb', line 19 def run sockets = @sockets while true ready = IO.select sockets, nil, nil, @sleep_for if ready and reads = ready[0] reads.each do |c| if c == @ready @mutex.synchronize do case @ready.read(1) when "*" sockets += @input @input.clear when "c" sockets.delete_if do |s| if s == @ready false else s.close true end end when "!" return end end else # We have to be sure to remove it from the timeout # list or we'll accidentally close the socket when # it's in use! if c.timeout_at @timeouts.delete c end begin if c.try_to_finish @app_pool << c sockets.delete c end # The client doesn't know HTTP well rescue HttpParserError => e c.close sockets.delete c @events.parse_error @server, c.env, e rescue StandardError => e c.close sockets.delete c end end end end unless @timeouts.empty? now = Time.now while @timeouts.first.timeout_at < now c = @timeouts.shift sockets.delete c c.close break if @timeouts.empty? end calculate_sleep end end end |
#run_in_thread ⇒ Object
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# File 'lib/puma/reactor.rb', line 91 def run_in_thread @thread = Thread.new { while true begin run break rescue StandardError => e STDERR.puts "Error in reactor loop escaped: #{e.} (#{e.class})" puts e.backtrace end end } end |
#shutdown ⇒ Object
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# File 'lib/puma/reactor.rb', line 138 def shutdown @trigger << "!" @thread.join end |