Class: RPCPlugin

Inherits:
ThroughPlugin show all
Includes:
GenParamCopy, GenTransparentMarshaler
Defined in:
lib/tecsgen/plugin/RPCPlugin.rb

Overview

以下を仮定（制限事項）

呼び元、呼び先のエンディアン、char, short, int_t, long_t, intptr_t のサイズが同じ
有符号、無符号でサイズが同じ

Constant Summary collapse

TransparentRPCPluginArgProc =

RPCPlugin 専用のオプション

RPCPluginArgProc.dup

Constants included from GenTransparentMarshaler

GenTransparentMarshaler::RPCPluginArgProc

Constants inherited from Plugin

Plugin::PluginArgProc

Instance Method Summary collapse

Methods included from GenParamCopy

#print_nullable_post, #print_nullable_pre, #print_param, #print_param0

Methods included from GenTransparentMarshaler

#gen_ep_func_body, #gen_ep_func_body_marshal, #gen_ep_func_body_unmarshal, #gen_marshaler_celltype, #gen_postamble, #gen_preamble, #initialize_transparent_marshaler, #print_param_nc, #print_params, #set_PPAllocatorSize, #set_TDRCelltype, #set_channelCellName, #set_channelCelltype, #set_taskPriority

Methods inherited from ThroughPlugin

#check_plugin_arg, #gen_cdl_file, #gen_ep_func_body, gen_post_code, #get_cell_name, #get_cell_namespace_path, #get_through_entry_port_name, #get_through_entry_port_subscript, #set_through_info, #show_tree, #subst_name

Methods inherited from Plugin

#cdl_error, #check_plugin_arg, #gen_cdl_file, #gen_ep_func?, #gen_postamble, #gen_preamble, #new_cell, #parse_plugin_arg, #print_msg, #set_locale, #set_silent

Methods inherited from Node

#cdl_error, #cdl_error2, #cdl_error3, #cdl_info, #cdl_info2, #cdl_warning, #cdl_warning2, #get_locale, #locale_str, #set_locale

Constructor Details

#initialize(cell_name, plugin_arg, next_cell, next_cell_port_name, next_cell_port_subscript, signature, celltype, caller_cell) ⇒ RPCPlugin

RPCPlugin の initialize

説明は ThroughPlugin (plugin.rb) を参照



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# File 'lib/tecsgen/plugin/RPCPlugin.rb', line 65

def initialize(cell_name, plugin_arg, next_cell, next_cell_port_name, next_cell_port_subscript, signature, celltype, caller_cell)
  super
  @b_noClientSemaphore = false
  @semaphoreCelltype = "tSemaphore"
  initialize_transparent_marshaler cell_name

  # オプション：GenTransparentMarshaler 参照
  @plugin_arg_check_proc_tab = TransparentRPCPluginArgProc
  parse_plugin_arg

  @rpc_channel_celltype_name = "tRPCPlugin_#{@TDRCelltype}_#{@channelCelltype}_#{@signature.get_global_name}"
  @rpc_channel_celltype_file_name = "#{$gen}/#{@rpc_channel_celltype_name}.cdl"

  if @signature.need_PPAllocator?
    if @PPAllocatorSize.nil?
      cdl_error("PPAllocatorSize must be speicified for oneway [in] array")
      # @PPAllocatorSize = 0   # 仮に 0 としておく (cdl の構文エラーを避けるため)
    end
  end

#    @signature.each_param{ |func_decl, param_decl|
#      if func_decl.get_type.is_oneway? then
#        if ( param_decl.get_size || param_decl.get_count ) && param_decl.get_string then
#          cdl_error( "array of string not supported for oneway function in Transparent RPC" )  # mikan 文字列の配列
#        elsif param_decl.get_string == -1 then
#          cdl_error( "length unspecified string is not permited for oneway function in Transparent RPC" )  # mikan 長さ未指定文字列
#        end
#      end
#    }
end

Instance Method Details

#gen_plugin_decl_code(file) ⇒ Object

plugin の宣言コード (celltype の定義) 生成



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# File 'lib/tecsgen/plugin/RPCPlugin.rb', line 97

def gen_plugin_decl_code(file)
  ct_name = "#{@ct_name}_#{@channelCelltype}"

  # このセルタイプ（同じシグニチャ）は既に生成されているか？
  if @@generated_celltype[ct_name].nil?
    @@generated_celltype[ct_name] = [self]
  else
    @@generated_celltype[ct_name] << self
    return
  end

  gen_marshaler_celltype

  if @PPAllocatorSize
    alloc_cell = "  cell tPPAllocator PPAllocator {\n    heapSize = #{@PPAllocatorSize};\n  };\n"
    alloc_call_port_join = "    cPPAllocator = PPAllocator.ePPAllocator;\n"
  else
    alloc_cell = ""
    alloc_call_port_join = ""
  end

  if @b_noClientSemaphore == false
    semaphore1 = <<EOT
// Semaphore for Multi-task use ("specify noClientSemaphore" option to delete this)
cell #{@semaphoreCelltype} Semaphore {
  count = 1;
  attribute = C_EXP( "TA_NULL" );
};
EOT
    semaphore2 = "    cLockChannel = Semaphore.eSemaphore;\n"
  else
    semaphore1 = ""
    semaphore2 = ""
  end

  f = CFile.open(@rpc_channel_celltype_file_name, "w")
  # 同じ内容を二度書く可能性あり (AppFile は不可)

  f.print <<EOT
import( "#{@marshaler_celltype_file_name}" );

[active]
composite #{@rpc_channel_celltype_name} {
/* Interface */
attr {
  PRI taskPriority;
};
call #{@signature.get_namespace_path} #{@call_port_name};
entry #{@signature.get_namespace_path} eThroughEntry;
call sTDR       cTDR;
call sEventflag cEventflag;

/* Implementation */
#{semaphore1}
cell #{@marshaler_celltype_name} #{@signature.get_global_name}_marshaler{
  cTDR         => composite.cTDR;
  cEventflag   => composite.cEventflag;
#{semaphore2}  };
#{alloc_cell}  cell #{@unmarshaler_celltype_name} #{@signature.get_global_name}_unmarshaler{
  cTDR        => composite.cTDR;
  cEventflag  => composite.cEventflag;
  cServerCall => composite.#{@call_port_name};
#{alloc_call_port_join}  };
cell tRPCDedicatedTaskMain RPCTaskMain{
  cMain = #{@signature.get_global_name}_unmarshaler.eUnmarshalAndCallFunction;
};
cell tTask Task {
  cBody     = RPCTaskMain.eMain;
  priority  = taskPriority;
  taskAttribute = C_EXP( "TA_ACT" );  /* mikan : marshaler starts at the beginning */
  stackSize     = 4096;
};
composite.eThroughEntry => #{@signature.get_global_name}_marshaler.eClientEntry;
};
EOT
  # mikan stackSize option & 最新 tecs_package 対応

  f.close
end

#gen_through_cell_code(file) ⇒ Object

through cell コードを生成



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# File 'lib/tecsgen/plugin/RPCPlugin.rb', line 180

def gen_through_cell_code(file)
  gen_plugin_decl_code(file)

  # セルを探す
  # path =["::",@next_cell.get_global_name]
  # cell = Namespace.find( path )
  cell = Namespace.find(@next_cell.get_namespace_path)

  file.print <<EOT
import( "#{@rpc_channel_celltype_file_name}" );

EOT

  nest = @region.gen_region_str_pre file
  indent_str = "  " * nest
  if @next_cell_port_subscript
    subscript = "[" + @next_cell_port_subscript.to_s + "]"
  else
    subscript = ""
  end

  file.print <<EOT
#{indent_str}// 一方向チャンネルセル
#{indent_str}cell #{@channelCelltype} #{@channelCellName} {
#{indent_str}};

#{indent_str}// RPC チャンネルセル
EOT

  # #473 が解決された場合、composite リレーアロケータに変更すべき
  # アロケータの指定があるか？
  if cell.get_allocator_list.length > 0

    file.print "#{indent_str}[allocator("

    delim = ""
    cell.get_allocator_list.each do |type, eport, subsc, func, buf, alloc|

      file.print delim
      delim = ",\n#{indent_str}           " # 最終行には出さない

      if subsc # 配列添数
        subsc_str = '[#{subsc}]'
      else
        subsc_str = ""
      end

      eport = "eThroughEntry" # RPCの受け口名に変更
      file.print "#{eport}#{subsc_str}.#{func}.#{buf} = #{alloc}"
    end

    file.puts ")]"
  end

  file.print <<EOT
#{indent_str}cell #{@rpc_channel_celltype_name} #{@cell_name} {
#{indent_str}  #{@call_port_name} = #{@next_cell.get_name}.#{@next_cell_port_name}#{subscript};
#{indent_str}  cTDR         = #{@channelCellName}.eTDR;
#{indent_str}  cEventflag   = #{@channelCellName}.eEventflag;
#{indent_str}  taskPriority = #{@task_priority};
#{indent_str}};
EOT
  @region.gen_region_str_post file
end

#set_noClientSemaphore(rhs) ⇒ Object

プラグイン引数 noClientSemaphore のチェック



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# File 'lib/tecsgen/plugin/RPCPlugin.rb', line 246

def set_noClientSemaphore(rhs)
  rhs = rhs.to_sym
  if rhs == :true
    @b_noClientSemaphore = true
  elsif rhs == :false
    @b_noClientSemaphore = false
  else
    cdl_error("RPCPlugin: specify true or false for noClientSemaphore")
  end
end

#set_semaphoreCelltype(rhs) ⇒ Object

プラグイン引数 semaphoreCelltype のチェック



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# File 'lib/tecsgen/plugin/RPCPlugin.rb', line 258

def set_semaphoreCelltype(rhs)
  @semaphoreCelltype = rhs.to_sym
  nsp = NamespacePath.analyze(@semaphoreCelltype.to_s)
  obj = Namespace.find(nsp)
  if !obj.instance_of?(Celltype) && !obj.instance_of?(CompositeCelltype)
    cdl_error("RPCPlugin: semaphoreCelltype '#{rhs}' not celltype or not defined")
  end
end