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Go

Receive an Exact Number of Bytes into a BinData

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveBdN, which receives exactly the requested number of bytes and appends them to a BinData, continuing until the full count is satisfied.

Background. Inactivity is controlled by MaxReadIdleMs: the call fails if incoming bytes halt for longer than MaxReadIdleMs milliseconds before the full amount is received. A single receive returns only what is currently available, whereas this counted receive waits for an exact number of bytes.

Chilkat Go Downloads

Go
    success := false

    socket := chilkat.NewSocket()

    //  Connect to the server using TLS.
    bTls := true
    maxWaitMs := 5000
    success = socket.Connect("example.com",5000,bTls,maxWaitMs)
    if success == false {
        fmt.Println(socket.LastErrorText())
        socket.DisposeSocket()
        return
    }

    //  MaxReadIdleMs controls the inactivity limit for receiving.  The ReceiveBdN call will fail if
    //  incoming bytes halt for longer than this many milliseconds before the full amount is received.
    socket.SetMaxReadIdleMs(15000)

    //  Receive exactly the requested number of bytes, appending them to a BinData.  The method continues
    //  receiving until the full count is satisfied or a failure occurs.
    bd := chilkat.NewBinData()
    success = socket.ReceiveBdN(256,bd)
    if success == false {
        fmt.Println(socket.LastErrorText())
        socket.DisposeSocket()
        bd.DisposeBinData()
        return
    }

    fmt.Println("Received ", bd.NumBytes(), " bytes.")

    socket.DisposeSocket()
    bd.DisposeBinData()