# Stream

> 1. 服务器中的 HTTP Request 1. 客户端中的 HTTP Response 1. 标准输出 stdout + destroy + finish + error + WritableState / + needDrain + buffered + Symbol(KHandler) + res._removeTE / res.c

- 发布于: 2019-05-28
- 更新于: 2026-09-30
- 原文: https://shanyue.tech/posts/node/stream/
- 标签: node
- 专栏: Node 牛刀小试

---

1. 服务器中的 HTTP Request
1. 客户端中的 HTTP Response
1. 标准输出 stdout

## 属性

- destroy
- finish
- error

## stream / length

- `WritableState`/
  - `needDrain`
  - `buffered`
- `Symbol(KHandler)`
- `res._removeTE`/`res.chunkedEncoding`
- `res._headerSent`
- `req.handle.writev(req, chunks, allBuffers);`
- `res.write`
  - `write_`
    - `res.socket.cork`
    - `res._send`
      - `res._writeRaw`
        - `stream.write`
          - `writeOrBuffer`
- `res.end`
  - `write_`
    - `res.socket.cork`
    - `res._implicitHeader`
      - `res.writeHead`
        - `res._storeHeader`
    - `res._send` (如果是 chunk)
      - `res._writeRaw`
        - `stream.write`
          - `writeOrBuffer`
            - `socket._write`
              - `socket._writeGeneric`
                - `socket._unrefTimer`
                - `writeGeneric`
                  - `createWriteWrap`
                  - `handleWriteReq`
                  - `afterWriteDispatched`
  - `res._send`
  - `res._finish`
  - `clearBuffer`
    - `doWrite`
      - `socket._writev`
        - `socket._writeGeneric`
          - `writevGeneric`
            - `tcp.writev`