VBScript
VBScript
Binary.com Tick Stream
See more WebSocket Examples
Tick Stream Request -- Initiate a continuous stream of spot price updates for a given symbol.Chilkat VBScript Downloads
Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)
success = 0
' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.
set ws = CreateObject("Chilkat.WebSocket")
' For brevity, this example does not check for errors when etablishing the WebSocket connection.
' See Establish WebSocket Connection for more complete sample code for making the connection.
set rest = CreateObject("Chilkat.Rest")
' Connect to ws.binaryws.com
success = rest.Connect("ws.binaryws.com",443,1,0)
success = ws.UseConnection(rest)
success = ws.AddClientHeaders()
' My app_id is 12332. You'll wnat to use your own...
responseBody = rest.FullRequestNoBody("GET","/websockets/v3?app_id=12332")
success = ws.ValidateServerHandshake()
If (success <> 1) Then
outFile.WriteLine(ws.LastErrorText)
outFile.WriteLine(responseBody)
outFile.WriteLine(rest.ResponseHeader)
WScript.Quit
End If
' Build and send the following message:
' {
' "ticks": "R_50",
' "subscribe": 1
' }
set json = CreateObject("Chilkat.JsonObject")
success = json.AppendString("ticks","R_50")
success = json.AppendInt("subscribe",1)
' Send a full message in a single frame
finalFrame = 1
success = ws.SendFrame(json.Emit(),finalFrame)
If (success <> 1) Then
outFile.WriteLine(ws.LastErrorText)
WScript.Quit
End If
set jsonTickData = CreateObject("Chilkat.JsonObject")
jsonTickData.EmitCompact = 0
' Begin reading the tick stream response.
' We'll just read the 1st 10 updates and then exit..
receivedFinalFrame = 0
numTicksReceived = 0
Do While numTicksReceived < 5
success = ws.ReadFrame()
If (success <> 1) Then
outFile.WriteLine("Failed to receive a frame")
outFile.WriteLine("ReadFrame fail reason = " & ws.ReadFrameFailReason)
outFile.WriteLine(ws.LastErrorText)
WScript.Quit
End If
' The responses we desire are in Text frames, where the opcode = 1.
If (ws.FrameOpcodeInt = 1) Then
receivedJson = ws.GetFrameData()
success = jsonTickData.Load(receivedJson)
outFile.WriteLine(jsonTickData.Emit())
numTicksReceived = numTicksReceived + 1
End If
Loop
' Close the websocket connection.
success = ws.SendClose(1,1000,"Closing this websocket.")
If (success <> 1) Then
outFile.WriteLine(ws.LastErrorText)
WScript.Quit
End If
' Read the Close response.
success = ws.ReadFrame()
If (success <> 1) Then
outFile.WriteLine("ReadFrame fail reason = " & ws.ReadFrameFailReason)
outFile.WriteLine(ws.LastErrorText)
WScript.Quit
End If
outFile.WriteLine("Success.")
' The output of the above code is shown here:
' {
' "echo_req": {
' "subscribe": 1,
' "ticks": "R_50"
' },
' "msg_type": "tick",
' "tick": {
' "ask": "373.8725",
' "bid": "373.8325",
' "epoch": "1517437456",
' "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
' "quote": "373.8525",
' "symbol": "R_50"
' }
' }
'
' {
' "echo_req": {
' "subscribe": 1,
' "ticks": "R_50"
' },
' "msg_type": "tick",
' "tick": {
' "ask": "373.7952",
' "bid": "373.7552",
' "epoch": "1517437458",
' "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
' "quote": "373.7752",
' "symbol": "R_50"
' }
' }
'
' {
' "echo_req": {
' "subscribe": 1,
' "ticks": "R_50"
' },
' "msg_type": "tick",
' "tick": {
' "ask": "373.8638",
' "bid": "373.8238",
' "epoch": "1517437460",
' "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
' "quote": "373.8438",
' "symbol": "R_50"
' }
' }
'
' {
' "echo_req": {
' "subscribe": 1,
' "ticks": "R_50"
' },
' "msg_type": "tick",
' "tick": {
' "ask": "373.7636",
' "bid": "373.7236",
' "epoch": "1517437462",
' "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
' "quote": "373.7436",
' "symbol": "R_50"
' }
' }
'
' {
' "echo_req": {
' "subscribe": 1,
' "ticks": "R_50"
' },
' "msg_type": "tick",
' "tick": {
' "ask": "373.6870",
' "bid": "373.6470",
' "epoch": "1517437464",
' "id": "2d3dedf1-45e2-66a5-d0d3-72bd7f0a6ea9",
' "quote": "373.6670",
' "symbol": "R_50"
' }
' }
'
' Success.
outFile.Close