Class: PatternPark::FCSHD

Inherits:
Hash show all
Includes:
Daemonize
Defined in:
lib/airake/fcshd.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Daemonize

#daemonize, #safefork

Constructor Details

#initialize(ip = nil, port = nil) ⇒ FCSHD

Returns a new instance of FCSHD.



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# File 'lib/airake/fcshd.rb', line 14

def initialize(ip = nil, port = nil)
  @fcsh_path = "fcsh" 

  @instances = Hash.new
  @ip = ip.nil? ? "127.0.0.1" : ip
  @port = port.nil? ? 20569 : port
  open(@ip, @port)
  start
end

Instance Attribute Details

#fcsh_path ⇒ Object (readonly)

Returns the value of attribute fcsh_path.



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# File 'lib/airake/fcshd.rb', line 11

def fcsh_path
  @fcsh_path
end

#instances ⇒ Object (readonly)

Returns the value of attribute instances.



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# File 'lib/airake/fcshd.rb', line 11

def instances
  @instances
end

#kill_process ⇒ Object

Returns the value of attribute kill_process.



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# File 'lib/airake/fcshd.rb', line 12

def kill_process
  @kill_process
end

#start_process ⇒ Object

Returns the value of attribute start_process.



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# File 'lib/airake/fcshd.rb', line 12

def start_process
  @start_process
end

Class Method Details

.start_from_rake(env, default_ip = "127.0.0.1", default_port = 20569) ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 107

def self.start_from_rake(env, default_ip = "127.0.0.1", default_port = 20569)
  fcsh_ip = env["FCSH_IP"] || default_ip
  fcsh_port = (env["FCSH_PORT"] || default_port).to_i
  self.new(fcsh_ip, fcsh_port)
end

Instance Method Details

#execute(io, path, command) ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 64

def execute(io, path, command)
  io.puts "[FCSHD] #{path}"
  io.puts "[FCSHD] #{command}"
  begin
    fcsh = get_fcsh(io, path)
  rescue => e
    io.puts "[ERROR] Unable to launch fcsh: #{e.message}: #{e.backtrace[0..5].join("\n")}"
    exit
  end

  cmd = @compile_commands[command]
  msg = command
  if (!cmd.nil? && cmd.path == path)
    msg = "compile #{cmd.index}"
  end
  
  compile_errors = false
  e = Thread.new {
    while line = fcsh.e.gets
      if line.strip.empty?
        io.puts " "
      elsif line =~ /.?: Warning: .?/
        io.puts "[FCSH WARNING] #{line}"
      else
        io.puts "[FCSH ERROR] #{line}"
        compile_errors = true            
      end
    end
  }

  fcsh.puts msg
  io.puts fcsh.read
  
  e.kill unless compile_errors

  # Store the successful compilation
  if (cmd.nil? && !compile_errors)
    cmd = CompileCommand.new(command, path)
    @compile_commands[command] = cmd
    cmd.index = @compile_commands.size
  end
end

#get_fcsh(io, path) ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 55

def get_fcsh(io, path)
  if(instances[path].nil?)
    fcsh = FCSHProcess.new(fcsh_path, path)
    fcsh.read
    instances[path] = fcsh
  end
  return instances[path]
end

#open(ip, port) ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 24

def open(ip, port)
  @compile_commands = {}
  @socket = TCPServer.new(@ip, @port)
  @socket.setsockopt(Socket::SOL_SOCKET, Socket::TCP_NODELAY, true)
  puts ">> [FCSHD] Started on #{@ip}:#{@port}"
end

#start ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 31

def start
  daemonize()
  loop do
    session = @socket.accept
    dir = session.gets
    dir = dir.split("\n").join("")
    if (dir == 'SIGHUP')
      stop(session)
      return
    end
    command = session.gets
    execute(session, dir, command)
    session.close
    sleep 0.75
  end
end

#stop(io) ⇒ Object 



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# File 'lib/airake/fcshd.rb', line 48

def stop(io)
  io.puts ">> [FCSHD] Terminating daemon now"
  fcsh.puts "quit"
  @socket.close
  exit
end