Weather Update Server

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#r "fszmq.dll"
open fszmq
open System

// helper to convert strings to frames
let encode = string >> System.Text.Encoding.ASCII.GetBytes

// initialize random number generator
let rand = Random DateTime.Now.Millisecond

let main () =
  // prepare our context and publisher
  use context   = new Context ()
  use publisher = Context.pub context
  Socket.bind publisher "tcp://*:5556"
  //Socket.bind publisher "icp://weather.ipc"
  //NOTE: IPC transport is not currently supported on Microsoft Windows

  while true do
    // get values that will fool the boss
    let zipcode     = rand.Next 100000
    let temperature = (rand.Next 215) - 80
    let relhumidity = (rand.Next 50) + 10

    // send message to all subscribers
    let update = sprintf "%05d %d %d" zipcode temperature relhumidity
    Socket.send publisher (encode update)

  0 // return code

module docs

module PATH

from docs

val hijack : unit -> unit

Full name: docs.PATH.hijack

namespace fszmq

namespace System

val encode : (obj -> byte [])

Full name: Wuserver.encode

Multiple items
val string : value:'T -> string

Full name: Microsoft.FSharp.Core.Operators.string

--------------------
type string = String

Full name: Microsoft.FSharp.Core.string

namespace System.Text

type Encoding =
  member BodyName : string
  member Clone : unit -> obj
  member CodePage : int
  member DecoderFallback : DecoderFallback with get, set
  member EncoderFallback : EncoderFallback with get, set
  member EncodingName : string
  member Equals : value:obj -> bool
  member GetByteCount : chars:char[] -> int + 3 overloads
  member GetBytes : chars:char[] -> byte[] + 5 overloads
  member GetCharCount : bytes:byte[] -> int + 2 overloads
  ...

Full name: System.Text.Encoding

property Text.Encoding.ASCII: Text.Encoding

Text.Encoding.GetBytes(s: string) : byte []
Text.Encoding.GetBytes(chars: char []) : byte []
Text.Encoding.GetBytes(chars: char [], index: int, count: int) : byte []
Text.Encoding.GetBytes(chars: nativeptr<char>, charCount: int, bytes: nativeptr<byte>, byteCount: int) : int
Text.Encoding.GetBytes(s: string, charIndex: int, charCount: int, bytes: byte [], byteIndex: int) : int
Text.Encoding.GetBytes(chars: char [], charIndex: int, charCount: int, bytes: byte [], byteIndex: int) : int

val rand : Random

Full name: Wuserver.rand

Multiple items
type Random =
  new : unit -> Random + 1 overload
  member Next : unit -> int + 2 overloads
  member NextBytes : buffer:byte[] -> unit
  member NextDouble : unit -> float

Full name: System.Random

--------------------
Random() : unit
Random(Seed: int) : unit

Multiple items
type DateTime =
  struct
    new : ticks:int64 -> DateTime + 10 overloads
    member Add : value:TimeSpan -> DateTime
    member AddDays : value:float -> DateTime
    member AddHours : value:float -> DateTime
    member AddMilliseconds : value:float -> DateTime
    member AddMinutes : value:float -> DateTime
    member AddMonths : months:int -> DateTime
    member AddSeconds : value:float -> DateTime
    member AddTicks : value:int64 -> DateTime
    member AddYears : value:int -> DateTime
    ...
  end

Full name: System.DateTime

--------------------
DateTime()
   (+0 other overloads)
DateTime(ticks: int64) : unit
   (+0 other overloads)
DateTime(ticks: int64, kind: DateTimeKind) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, calendar: Globalization.Calendar) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, kind: DateTimeKind) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, calendar: Globalization.Calendar) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int) : unit
   (+0 other overloads)
DateTime(year: int, month: int, day: int, hour: int, minute: int, second: int, millisecond: int, kind: DateTimeKind) : unit
   (+0 other overloads)

property DateTime.Now: DateTime

property DateTime.Millisecond: int

val main : unit -> int

Full name: Wuserver.main

val context : IDisposable

val publisher : IDisposable

val zipcode : int

Random.Next() : int
Random.Next(maxValue: int) : int
Random.Next(minValue: int, maxValue: int) : int

val temperature : int

val relhumidity : int

val update : string

val sprintf : format:Printf.StringFormat<'T> -> 'T

Full name: Microsoft.FSharp.Core.ExtraTopLevelOperators.sprintf

val release : unit -> unit

Full name: docs.PATH.release