25 lines
623 B
R
25 lines
623 B
R
# Connect to this using websockets on port 9454
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# Client sends to server in the format of {"data":[1,2,3]}
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# The websocket server returns the standard deviation of the sent array
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library(jsonlite)
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library(httpuv)
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# Server
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app <- list(
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onWSOpen = function(ws) {
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ws$onMessage(function(binary, message) {
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# Decodes message from client
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message <- fromJSON(message)
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# Sends message to client
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ws$send(
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# JSON encode the message
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toJSON(
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# Returns standard deviation for message
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sd(message$data)
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)
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)
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})
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}
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)
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runServer("0.0.0.0", 9454, app, 250)
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