coapClient.nim - nimtradfri

1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
import osproc, json

type 
  CoapException* = object of ValueError


proc makeCoapRequest* (host: string, port: int, reqMethod: string, user: string, password: string, endpoint: string, reqPayload: JsonNode): JsonNode =
  var arguments = @["-B", "2", "-m", reqMethod, "-u", user, "-k", password]

  if reqMethod == "put":
    arguments.add("-e")
    arguments.add($reqPayload)

  arguments.add("coaps://" & host & ":" & $port & endpoint)
  
  let reqResult = execProcess("coap-client", args = arguments, options = {poUsePath})

  try:
    if reqMethod == "put" and reqResult == "":
      return %* {}

    return parseJson(reqResult)

  except JsonParsingError:
    raise newException(CoapException, reqResult)