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  • Pipy 文档
  • Introduction
    • 概述
    • 概念
  • Getting Started
    • 构建和安装
    • 快速入门
    • 获取帮助
  • Release
    • 发布历史
      • 0.10.0-1
      • 0.22.0-31
      • 0.30.0
      • 0.50.0
  • Tutorial
    • 01 你好
    • 02 回显
    • 03 代理
    • 04 路由
    • 05 负载均衡
    • 06 配置
    • 07 插件
  • Operating
    • 开发控制台
    • CLI
    • Pipy Repo
      • 介绍
      • 快速开始
      • 演示
      • REST API
  • Reference
    • API
      • Configuration
        • acceptHTTPTunnel()
        • acceptProxyProtocol()
        • acceptSOCKS()
        • acceptTLS()
        • admin()
        • branch()
        • branchMessage()
        • branchMessageStart()
        • chain()
        • compress()
        • compressHTTP()
        • connect()
        • connectHTTPTunnel()
        • connectProxyProtocol()
        • connectSOCKS()
        • connectTLS()
        • decodeBGP()
        • decodeDubbo()
        • decodeHTTPRequest()
        • decodeHTTPResponse()
        • decodeMQTT()
        • decodeMultipart()
        • decodeRESP()
        • decodeThrift()
        • decodeWebSocket()
        • decompress()
        • decompressHTTP()
        • deframe()
        • demux()
        • demuxHTTP()
        • detectProtocol()
        • dummy()
        • dump()
        • encodeBGP()
        • encodeDubbo()
        • encodeHTTPRequest()
        • encodeHTTPResponse()
        • encodeMQTT()
        • encodeRESP()
        • encodeThrift()
        • encodeWebSocket()
        • exec()
        • exit()
        • export()
        • fork()
        • handleData()
        • handleMessage()
        • handleMessageBody()
        • handleMessageEnd()
        • handleMessageStart()
        • handleStreamEnd()
        • handleStreamStart()
        • handleTLSClientHello()
        • import()
        • insert()
        • link()
        • listen()
        • loop()
        • mux()
        • muxHTTP()
        • onEnd()
        • onStart()
        • pack()
        • pipeline()
        • print()
        • read()
        • repeat()
        • replaceData()
        • replaceMessage()
        • replaceMessageBody()
        • replaceMessageEnd()
        • replaceMessageStart()
        • replaceStreamEnd()
        • replaceStreamStart()
        • replay()
        • serveHTTP()
        • split()
        • task()
        • tee()
        • throttleConcurrency()
        • throttleDataRate()
        • throttleMessageRate()
        • to()
        • use()
        • wait()
        • watch()
      • Data
        • from()
        • Data()
        • push()
        • shift()
        • shiftTo()
        • shiftWhile()
        • size
        • toArray()
      • Hessian
        • decode()
        • encode()
      • JSON
        • decode()
        • encode()
        • parse()
        • stringify()
      • Message
        • body
        • head
        • Message()
        • tail
      • MessageEnd
        • MessageEnd()
        • payload
        • tail
      • MessageStart
        • head
        • MessageStart()
      • Netmask
        • base
        • bitmask
        • broadcast
        • contains()
        • decompose()
        • first
        • hostmask
        • ip
        • last
        • mask
        • Netmask()
        • next()
        • size
        • version
      • StreamEnd
        • error
        • StreamEnd()
      • URL
        • auth
        • hash
        • host
        • hostname
        • href
        • URL()
        • origin
        • password
        • path
        • pathname
        • port
        • protocol
        • query
        • search
        • searchParams
        • username
      • URLSearchParams
        • get()
        • getAll()
        • URLSearchParams()
        • set()
        • toObject()
      • XML
        • Node
          • attributes
          • children
          • name
          • Node()
        • decode()
        • encode()
        • parse()
        • stringify()
      • algo
        • Cache
          • clear()
          • get()
          • Cache()
          • remove()
          • set()
        • HashingLoadBalancer
          • add()
          • HashingLoadBalancer()
          • next()
        • LeastWorkLoadBalancer
          • LeastWorkLoadBalancer()
          • next()
          • set()
        • LoadBalancer
          • allocate()
          • LoadBalancer()
          • provision()
          • schedule()
        • LoadBalancerResource
          • free()
          • target
        • Quota
          • consume()
          • current
          • initial
          • Quota()
          • produce()
          • reset()
        • RoundRobinLoadBalancer
          • RoundRobinLoadBalancer()
          • next()
          • set()
        • URLRouter
          • add()
          • find()
          • URLRouter()
        • hash()
        • uuid()
      • console
        • debug()
        • error()
        • info()
        • log()
        • warn()
      • crypto
        • Certificate
          • issuer
          • Certificate()
          • subject
          • subjectAltNames
        • CertificateChain
          • CertificateChain()
        • Cipher
          • final()
          • Cipher()
          • update()
        • Decipher
          • final()
          • Decipher()
          • update()
        • Hash
          • digest()
          • Hash()
          • update()
        • Hmac
          • digest()
          • Hmac()
          • update()
        • JWK
          • isValid
          • JWK()
        • JWT
          • header
          • isValid
          • JWT()
          • payload
          • verify()
        • PrivateKey
          • PrivateKey()
        • PublicKey
          • PublicKey()
        • Sign
          • Sign()
          • sign()
          • update()
        • Verify
          • Verify()
          • update()
          • verify()
      • http
        • Agent
          • new()
          • request()
        • Directory
          • new()
          • serve()
      • logging
        • BinaryLogger
          • log()
          • BinaryLogger()
          • toFile()
          • toHTTP()
          • toStderr()
          • toStdout()
          • toSyslog()
        • JSONLogger
          • log()
          • JSONLogger()
          • toFile()
          • toHTTP()
          • toStderr()
          • toStdout()
          • toSyslog()
        • TextLogger
          • log()
          • TextLogger()
          • toFile()
          • toHTTP()
          • toStderr()
          • toStdout()
          • toSyslog()
      • os
        • env
        • readDir()
        • readFile()
        • stat()
        • unlink()
        • writeFile()
      • pipy()
        • exit()
        • load()
        • restart()
        • solve()
      • stats
        • Counter
          • decrease()
          • increase()
          • Counter()
          • withLabels()
          • zero()
        • Gauge
          • decrease()
          • increase()
          • Gauge()
          • set()
          • withLabels()
          • zero()
        • Histogram
          • Histogram()
          • observe()
          • withLabels()
          • zero()

    Configuration.handleData()

    Description

    Appends a handleData filter to the current pipeline layout.

    A handleData filter calls back user scripts every time a Data event is found in the input stream.

    • INPUT - Any types of Events.
    • OUTPUT - Same Events as input.
    handleDataEventEvent

    The user function that gets called will have a Data object as parameter.

    This filter passes every input event down to its output. It doesn't change how many or what events there are. However, since events are all just objects being passed around by reference, if you alter the event object itself, the change will be visible on the output, even though the references to the events are identical between the input and the output.

    Syntax

    pipy()
    .pipeline()
    .handleData(
    data => onData(data)
    )

    Parameters

    handleData(handler)

    handler

    A callback function that receives Data events passing through the filter.

    Return Value

    The same Configuration object.

    See Also


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