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Class ServerTCP_transport

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Hierarchy

Index

Constructors

Properties

Accessors

Methods

Constructors

constructor

Properties

_socket

_socket: Socket

bytesRead

bytesRead: number

bytesWritten

bytesWritten: number

chunkReadCount

chunkReadCount: number

chunkWrittenCount

chunkWrittenCount: number

maxChunkCount

maxChunkCount: number

maxMessageSize

maxMessageSize: number

name

name: string

protocolVersion

protocolVersion: number

indicates the version number of the OPCUA protocol used

receiveBufferSize

receiveBufferSize: number

sendBufferSize

sendBufferSize: number

Readonly Static captureRejectionSymbol

captureRejectionSymbol: typeof captureRejectionSymbol

Static captureRejections

captureRejections: boolean

Sets or gets the default captureRejection value for all emitters.

Static defaultMaxListeners

defaultMaxListeners: number

Readonly Static errorMonitor

errorMonitor: typeof errorMonitor

This symbol shall be used to install a listener for only monitoring 'error' events. Listeners installed using this symbol are called before the regular 'error' listeners are called.

Installing a listener using this symbol does not change the behavior once an 'error' event is emitted, therefore the process will still crash if no regular 'error' listener is installed.

Static throttleTime

throttleTime: number

Accessors

isDisconnecting

  • get isDisconnecting(): boolean

  • Returns boolean

timeout

  • get timeout(): number
  • set timeout(value: number): any

  • Returns number

  • Parameters

    • value: number

    Returns any

Methods

abortWithError

  • Parameters

    Returns void

addListener

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

createChunk

  • createChunk(msgType: string, chunkType: string, length: number): Buffer

  • createChunk is used to construct a pre-allocated chunk to store up to length bytes of data. The created chunk includes a prepended header for chunk_type of size self.headerSize.

    method

    createChunk

    Parameters

    • msgType: string
    • chunkType: string

      chunk type. should be 'F' 'C' or 'A'

    • length: number

    Returns Buffer

    a buffer object with the required length representing the chunk.

    Note:

    • only one chunk can be created at a time.
    • a created chunk should be committed using the write method before an other one is created.

disconnect

  • disconnect the TCP layer and close the underlying socket. The "close" event will be emitted to the observers with err=null.

    method

    disconnect

    async

    Parameters

    Returns void

dispose

  • dispose(): void

  • Returns void

emit

  • emit(event: string | symbol, ...args: any[]): boolean

  • Parameters

    • event: string | symbol
    • Rest ...args: any[]

    Returns boolean

eventNames

  • eventNames(): (string | symbol)[]

  • Returns (string | symbol)[]

getMaxListeners

  • getMaxListeners(): number

init

  • Initialize the server transport.

    The ServerTCP_transport initialization process starts by waiting for the client to send a "HEL" message.

    The ServerTCP_transport replies with a "ACK" message and then start waiting for further messages of any size.

    The callback function received an error:

    • if no message from the client is received within the self.timeout period,
    • or, if the connection has dropped within the same interval.
    • if the protocol version specified within the HEL message is invalid or is greater than self.protocolVersion

    Parameters

    Returns void

isValid

  • isValid(): boolean

  • Returns boolean

listenerCount

  • listenerCount(event: string | symbol): number

  • Parameters

    • event: string | symbol

    Returns number

listeners

  • listeners(event: string | symbol): Function[]

  • Parameters

    • event: string | symbol

    Returns Function[]

off

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

on

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

once

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

prematureTerminate

  • prematureTerminate(err: Error): void

  • Parameters

    • err: Error

    Returns void

prependListener

  • prependListener(event: string | symbol, listener: (...args: any[]) => void): ServerTCP_transport

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

prependOnceListener

  • prependOnceListener(event: string | symbol, listener: (...args: any[]) => void): ServerTCP_transport

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

rawListeners

  • rawListeners(event: string | symbol): Function[]

  • Parameters

    • event: string | symbol

    Returns Function[]

removeAllListeners

removeListener

  • removeListener(event: string | symbol, listener: (...args: any[]) => void): ServerTCP_transport

  • Parameters

    • event: string | symbol
    • listener: (...args: any[]) => void
        • (...args: any[]): void

        • Parameters

          • Rest ...args: any[]

          Returns void

    Returns ServerTCP_transport

setMaxListeners

write

  • write(messageChunk: Buffer): void

  • write the message_chunk on the socket.

    method

    write

    Parameters

    • messageChunk: Buffer

      Notes:

      • the message chunk must have been created by createChunk.
      • once a message chunk has been written, it is possible to call createChunk again.

    Returns void

Static listenerCount

  • listenerCount(emitter: EventEmitter, event: string | symbol): number
  • deprecated

    since v4.0.0

    Parameters

    • emitter: EventEmitter
    • event: string | symbol

    Returns number

Static on

  • on(emitter: EventEmitter, event: string): AsyncIterableIterator<any>

  • Parameters

    • emitter: EventEmitter
    • event: string

    Returns AsyncIterableIterator<any>

Static once

  • once(emitter: NodeEventTarget, event: string | symbol): Promise<any[]>
  • once(emitter: DOMEventTarget, event: string): Promise<any[]>

  • Parameters

    • emitter: NodeEventTarget
    • event: string | symbol

    Returns Promise<any[]>

  • Parameters

    • emitter: DOMEventTarget
    • event: string

    Returns Promise<any[]>

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