Contents

module Rhoconnect
  class Node

    class << self
      attr_accessor :started,:pipe
    end
    @started = false
    @pipe = nil

    def self.shell_node
      package_file = File.join(Dir.pwd,'package.json')
      if not File.exists?(package_file)
        Rhoconnect.use_node = false
        log "No `package.json` detected, disabling JavaScript support."
        return
      end

      if which("node")
        begin
          if @started
            kill_process
          end
          @started = true
          dir  = File.expand_path(File.dirname(__FILE__))
          pwd = Dir.pwd
          node_modules = File.join(pwd,'node_modules')
          sub_env = { "NODE_PATH" => "#{node_modules}#{File::PATH_SEPARATOR}#{pwd}#{File::PATH_SEPARATOR}#{dir}" }
          file = File.join(dir,"server.js")
          args = [sub_env, "node", file, "#{$$}", Rhoconnect.environment.to_s]
          @pipe = IO.popen(args)
          log "Started Node.js process: #{@pipe.pid}"
          @pipe
        rescue Exception=>e
          puts "Node.js startup error: #{e.message}\n"
          puts e.backtrace.join("\n")
          raise e
        end
      else
        Rhoconnect.use_node = false
        log "Node.js not detected, disabling JavaScript support."
      end
    end

    def self.kill_process
      log "Stopping Node.js process: #{@pipe.pid}" if @pipe
      NodeChannel.exit_node
      @started = false
      @pipe = nil
    end

  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
rhoconnect-4.0.0.beta.10	js-adapters/node.rb
rhoconnect-4.0.0.beta.12	js-adapters/node.rb