Class: Wisp

Inherits:
Sinatra::Base
  • Object
show all
Defined in:
lib/wisp.rb

Defined Under Namespace

Classes: Session

Constant Summary collapse

DIR = 
File.join(File.dirname(File.dirname(__FILE__)), "public")
@@sessions = 
{}
@@mutex = 
Mutex.new

Class Method Summary collapse

Class Method Details

.error(s) ⇒ Object 



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# File 'lib/wisp.rb', line 77

def Wisp.error(s)
  EM.next_tick { @@sessions.each_key {|ws| ws.send("E#{ s }") } }
end

.onclose(ws) ⇒ Object 



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# File 'lib/wisp.rb', line 31

def Wisp.onclose(ws)
  @@sessions.delete(ws)
end

.onmessage(ws) ⇒ Object 



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# File 'lib/wisp.rb', line 35

def Wisp.onmessage(ws)
  s = @@sessions[ws]
  s.ack = s.req
end

.onopen(ws) ⇒ Object 



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# File 'lib/wisp.rb', line 27

def Wisp.onopen(ws)
  @@sessions[ws] = Session[0, 0, {}, nil, nil]
end

.output(s) ⇒ Object 



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# File 'lib/wisp.rb', line 73

def Wisp.output(s)
  EM.next_tick { @@sessions.each_key {|ws| ws.send("O#{ s }") } }
end

.trace(event, file, lineno, method, binding, klass) ⇒ Object 



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# File 'lib/wisp.rb', line 40

def Wisp.trace(event, file, lineno, method, binding, klass)
  return if event != "line"
  return if file.start_with?(RbConfig::TOPDIR)
  return if file == __FILE__
  return if !File.readable?(file)
  @@mutex.synchronize do
    thread = Thread.current.object_id.to_i
    @@sessions.each do |ws, s|
      if s.prev_thread != thread
        s.prev_thread = thread
        EM.next_tick { ws.send("T%x" % thread) }
      end
      if s.prev_file != file
        s.prev_file = file
        v = { "name" => file }
        unless s.file_sent[file]
          s.file_sent[file] = true
          v["code"] = File.foreach(file).map {|l| l.chomp }
        end
        v = JSON.dump(v)
        EM.next_tick { ws.send("F" + v) }
        s.prev_lineno = nil
      end
      if s.prev_lineno != lineno
        s.prev_lineno = lineno
        s.req += 1
        EM.next_tick { ws.send("L#{ lineno }") }
      end
    end
    sleep 0.1 until @@sessions.all? {|ws, s| s.ack >= s.req }
  end
end

.wait ⇒ Object 



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# File 'lib/wisp.rb', line 81

def Wisp.wait
  sleep 0.1 while @@sessions.empty?
end