May 2019
Intermediate to advanced
464 pages
9h 22m
Japanese
Content preview from Node.jsデザインパターン 第2版
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
144
5
章 ストリーム
して実行します。
$ node client generateData.js
クライアントはす ぐに 実 行 を開 始しま す が、各 プ ロ セ スの 終わりに、アプ リケー ション
generateData
の標準入力と標準出力がひとつの
TCP
接続を経由し、サーバへと転送され、サーバ上
では
2
つのファイルにデマルチプレクシング処理されます。
child_process.fork()
（
http://nodejs.org/api/child_process.html#child_
process_child_process_fork_modulepath_args_options
）を使っているため、クライ
アントは
Node
のモジュールしか起動できません。
5.4.4.2
オブジェクトストリームのマルチプレクシングとデマルチプレクシング
バイナリ
/
テキストストリームのマルチプレクシングやデマルチプレクシングについての例を示しま
したが、同じようにオブジェクトストリームを処理することもできます。オブジェクトを使う際の最大
の違いは、アトミックメッセージ（オブジェクト）を使ってデータを転送する方法を既にもっているとい
う点です。したがって、マルチプレクシングの処理はプロパティ
channelID
を各オブジェクトに設定
するだけで済みます。またデマルチプ
レクシングは
channelID
を読んで、各オブジェクトを正しくデ
スティネーションストリームにルーティングすればよいのです。
デマルチプレ
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.