Swift
Swift
Receive a Single Byte from a Socket
See more Socket/SSL/TLS Examples
Demonstrates Socket.ReceiveByte, which reads exactly one byte and stores its numeric value in the ReceivedInt property. The argument selects signed or unsigned interpretation.
Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.
Chilkat Swift Downloads
func chilkatTest() {
var success: Bool = false
let socket = CkoSocket()!
// Connect to the server using TLS.
var bTls: Bool = true
var maxWaitMs: Int = 5000
success = socket.connect(hostname: "example.com", port: 5000, ssl: bTls, maxWaitMs: maxWaitMs)
if success == false {
print("\(socket.lastErrorText!)")
return
}
// Read exactly one byte. Its numeric value is stored in the ReceivedInt property. Passing true
// interprets the byte as unsigned (0 through 255); false interprets it as signed.
var bUnsigned: Bool = true
success = socket.receiveByte(bUnsigned: bUnsigned)
if success == false {
print("\(socket.lastErrorText!)")
return
}
print("Received byte value: \(socket.receivedInt.intValue)")
}