Class: Aio::Module::Loader

Inherits:
Object
  • Object
show all
Defined in:
lib/aio/core/module_loader.rb

Constant Summary collapse

Reg_klass_filter = 
/class (.*)[\s]+<[\s]+Aio::Module/
Reg_ruby_file = 
/.rb$/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(module_manager) ⇒ Loader 



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# File 'lib/aio/core/module_loader.rb', line 14

def initialize(module_manager)
  @module_manager = module_manager
end

Instance Attribute Details

#module_manager ⇒ Object

Returns the value of attribute module_manager.



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# File 'lib/aio/core/module_loader.rb', line 12

def module_manager
  @module_manager
end

Class Method Details

.modules_path ⇒ Object

获取modules的路径



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# File 'lib/aio/core/module_loader.rb', line 160

def self.modules_path
  local_path = Pathname.new(File.dirname(__FILE__)).realpath
  return File.join(local_path, "..", "..", "modules")
end

Instance Method Details

#each_module_reference_name(path, opts = {}) ⇒ Object

output 放置各种输出方式的模块



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# File 'lib/aio/core/module_loader.rb', line 25

def each_module_reference_name(path, opts={})
  ::Dir.foreach(path) do |entry|
    if entry.downcase == "." or entry.downcase == ".."
      next
    end

    full_entry_path = ::File.join(path, entry)
    module_type = entry
    
    # 第一层目录结构，判断是否为cmd, input, output 的模块类型
    unless ::File.directory?(full_entry_path) and
                module_manager.module_type_enable?(module_type)
      next
    end

    # module_type = "cmd"
    # full_entry_path = "~/aio/lib/modules/cmd"

    full_entry_pathname = Pathname.new(full_entry_path)

    Find.find(full_entry_path) do |entry_descendant_path|
      if File.directory?(entry_descendant_path)
        next
      end

      # 判断是不是.rb 结尾，而不是 .rb.swp 结尾
      unless vaild_ruby_file?(entry_descendant_path)
        next
      end

      # entry_descendant_path 为ruby文件的完整绝对路径
      entry_descendant_pathname = Pathname.new(entry_descendant_path)

      # 获得 modules 的二级目录名称, cmd/cisco 中的cisco 
      # 或者 input/style 中的style
      base, _i = entry_descendant_pathname.split
      _i, module_layer_2 = base.split
      module_layer_2 = module_layer_2.to_s

      # 查询是否有效并且取得模块的类名
      module_klass_name = get_module_klass_name(entry_descendant_pathname)
      if module_klass_name.empty?
        next
      end

      # 获得参考名
      relative_entry_descendant_pathname = entry_descendant_pathname.relative_path_from(full_entry_pathname)
      _i, relative_entry_descendant_pathname = relative_entry_descendant_pathname.split
      relative_entry_descendant_path = relative_entry_descendant_pathname.to_s
      module_reference_name = module_reference_name_from_path(relative_entry_descendant_path)

      module_reference_name = [module_type, module_layer_2, module_reference_name].join("/")
      yield entry_descendant_path, module_type, module_layer_2, module_reference_name, module_klass_name
    end

  end
end

#get_module_klass_name(full_path) ⇒ Object

取模块的类名，以便以后调用



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# File 'lib/aio/core/module_loader.rb', line 84

def get_module_klass_name(full_path)
  fo = File.open(full_path)
  fo.each_line do |l|
    l = Aio::Base::Toolkit::String.safe(l)
    klass_name = Reg_klass_filter.match(l)
    if klass_name == nil
      next
    end
    klass_name = klass_name[1].strip
    return klass_name
  end
  return ""
end

#load_module(full_module_path, module_type, module_layer_2, module_reference_name, module_klass_name, opts = {}) ⇒ Object

真正加载处并将模块全部实例化



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# File 'lib/aio/core/module_loader.rb', line 134

def load_module(full_module_path, module_type,module_layer_2, module_reference_name, module_klass_name, opts={})

  begin
    require "#{full_module_path}"
    module_klass = ::Object::const_get(module_klass_name).new
  rescue Exception
    puts "[-] Can not load module: #{full_module_path}"
    #puts caller
    return
  end
  @module_manager.add_module(full_module_path, module_type, module_layer_2, module_reference_name, module_klass)

  # 计数
  # count_by_module_type = {"cmd" => { "cisco" => 2 }, "input" => { "style" => 1 } }
  count_by_module_type = opts[:count_by_module_type]
  if count_by_module_type
    if !count_by_module_type[module_type]
      count_by_module_type[module_type] = {}
    end

    count_by_module_type[module_type][module_layer_2] ||= 0
    count_by_module_type[module_type][module_layer_2] += 1
  end
end

#load_modules(path, opts = {}) ⇒ Object

全局加载模块



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# File 'lib/aio/core/module_loader.rb', line 111

def load_modules(path, opts={})
  count_by_module_type = {}

  each_module_reference_name(path, opts={}) do |full_module_path, module_type, module_layer_2, module_reference_name, module_klass_name|
    load_module(full_module_path, 
                module_type,
                module_layer_2,
                module_reference_name,
                module_klass_name,
                {
        #         :recalcuate_by_device_type => recalculate_by_device_type,
                  :count_by_module_type => count_by_module_type,
                }
    )
                  
  end
  module_manager.notify({
    :count_by_module_type => count_by_module_type,
  })
end

#module_reference_name_from_path(path) ⇒ Object 



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# File 'lib/aio/core/module_loader.rb', line 98

def module_reference_name_from_path(path)
  path.gsub(Reg_ruby_file, '')
end

#modules_path ⇒ Object

获取modules的路径



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# File 'lib/aio/core/module_loader.rb', line 166

def modules_path
  self.class.modules_path
end

#vaild_ruby_file?(path) ⇒ Boolean

是否是有效的Ruby文件



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# File 'lib/aio/core/module_loader.rb', line 103

def vaild_ruby_file?(path)
  if Reg_ruby_file.match(path)
    return true
  end
  return false
end