seisplotjs

3.1.4
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src/seedlink.ts
SEEDLINK_PROTOCOL

Type: string

SequencedDataRecord

src/seedlink.ts
SequencedDataRecord

Type: {rawsequence: string, sequence: number, miniseed: DataRecord}

Properties
rawsequence (string)
sequence (number)
miniseed (DataRecord)

SeedlinkConnection

src/seedlink.ts

A seedlink websocket connection to the given url. The connection is not made until the connect() method is called. Note this cannot connect directly to a native TCP socket, instead it sends the seedlink protocol over a websocket. Currently only the IRIS ringserver, https://github.com/iris-edu/ringserver, supports websockets, but it may be possible to use thrid party tools to proxy the websocket to a TCP seedlink socket.

The seedlink (ver 3) protocol does not have an official spec document, but some details are here: https://www.seiscomp.de/doc/apps/seedlink.html

new SeedlinkConnection(url: string, requestConfig: Array<string>, receiveMiniseedFn: function (packet: SequencedDataRecord): void, errorHandler: function (error: Error): void)
Parameters
url (string) websocket URL to connect to
requestConfig (Array<string>) an array of seedlink commands like: [ 'STATION JSC CO', 'SELECT 00BHZ.D' ]
receiveMiniseedFn (function (packet: SequencedDataRecord): void) the callback function that will be invoked for each seedlink packet received which contains 'sequence', a sequence number and 'miniseed', a single miniseed record.
errorHandler (function (error: Error): void)
Instance Members
▸ requestConfig
▸ receiveMiniseedFn
▸ errorHandler
▸ closeFn
▸ webSocket
▸ command
▸ setTimeCommand(startTime)
▸ setOnError(errorHandler)
▸ setOnClose(closeFn)
▸ connect()
▸ close()
▸ handle(event)
▸ handleMiniseed(data)
▸ isConnected()
▸ sendHello()
▸ sendCmdArray(cmd)
▸ createCmdPromise(mycmd)