Yakındaki Bağlantıların nasıl kurulacağı hakkında bilgi edinmek için Yakındaki Bağlantılar'a bakın.
Kısa Mesajlar
Yakındaki Bağlantılar sayesinde istemcileri, uzak cihazla bağlantı kurmadan 131 bayt içinde veri gönderebilir. 131 bayt içinde iletileri nasıl aktaracağınızı öğrenmek için lütfen aşağıdaki akışa bakın.
Yayıncı
class Publisher {
let connectionManager: ConnectionManager
let advertiser: Advertiser
init() {
connectionManager = ConnectionManager(serviceID: <SERVICE_ID>, strategy: .pointToPoint)
advertiser = Advertiser(connectionManager: connectionManager)
}
func startPublishing() {
advertiser.startAdvertising(using: <MESSAGE_DATA>)
}
func stopPublishing() {
advertiser.stopAdvertising()
}
}
Abone
class Subscriber {
let connectionManager: ConnectionManager
let discoverer: Discoverer
init() {
connectionManager = ConnectionManager(serviceID: <SERVICE_ID>, strategy: .pointToPoint)
discoverer = Discoverer(connectionManager: connectionManager)
discoverer.delegate = self
}
func startSubscription() {
discoverer.startDiscovery()
}
func stopSubscription() {
discoverer.stopDiscovery()
}
}
extension Subscriber: DiscovererDelegate {
func discoverer(_ discoverer: Discoverer, didFind endpointID: EndpointID, with context: Data) {
// A remote advertising endpoint is found.
print(context) // `context` is the published message data.
}
func discoverer(_ discoverer: Discoverer, didLose endpointID: EndpointID) {
// A previously discovered endpoint has gone away.
}
}
Uzun Mesajlar
131 bayttan büyük mesajlarda, mesajın aktarılması için cihazlar arasında bir bağlantı kurulması gerekir. Büyük verileri Yakındaki Bağlantılar'ı kullanarak nasıl aktaracağınızı öğrenmek için lütfen aşağıdaki akışa bakın.
Yayıncı
class Publisher {
let connectionManager: ConnectionManager
let advertiser: Advertiser
init() {
connectionManager = ConnectionManager(serviceID: <SERVICE_ID>, strategy: .pointToPoint)
connectionManager.delegate = self
advertiser = Advertiser(connectionManager: connectionManager)
advertiser.delegate = self
}
func startPublishing() {
advertiser.startAdvertising(using: <ENDPOINT_INFO>)
}
func stopPublishing() {
advertiser.stopAdvertising()
}
}
extension Publisher: ConnectionManagerDelegate {
func connectionManager(
_ connectionManager: ConnectionManager, didReceive data: Data, withID payloadID: PayloadID,
from endpointID: EndpointID) {
// We can ignore implementation, because we are the publisher.
}
func connectionManager(
_ connectionManager: ConnectionManager, didReceive stream: InputStream,
withID payloadID: PayloadID,
from endpointID: EndpointID, cancellationToken token: CancellationToken) {
// We can ignore implementation, because we are the publisher.
}
func connectionManager(
_ connectionManager: ConnectionManager, didStartReceivingResourceWithID payloadID: PayloadID,
from endpointID: EndpointID, at localURL: URL, withName name: String,
cancellationToken token: CancellationToken) {
// We can ignore implementation, because we are the publisher.
}
func connectionManager(
_ connectionManager: ConnectionManager, didReceiveTransferUpdate update: TransferUpdate,
from endpointID: EndpointID, forPayload payloadID: PayloadID) {
// We can ignore implementation, because we are the publisher.
}
func connectionManager(
_ connectionManager: ConnectionManager, didChangeTo state: ConnectionState,
for endpointID: EndpointID) {
switch state {
case .connecting:
// A connection to the remote endpoint is currently being established.
case .connected:
// We're connected! Can now start sending and receiving data.
connectionManager.send(<MESSAGE_DATA>, to: [endpointID])
case .disconnected:
// We've been disconnected from this endpoint. No more data can be sent or received.
case .rejected:
// The connection was rejected by one or both sides.
}
}
}
extension Publisher: AdvertiserDelegate {
func advertiser(
_ advertiser: Advertiser, didReceiveConnectionRequestFrom endpointID: EndpointID,
with context: Data, connectionRequestHandler: @escaping (Bool) -> Void) {
// Automatically accept any incoming connection requests.
connectionRequestHandler(true)
}
}
Abone
class Subscriber {
let connectionManager: ConnectionManager
let discoverer: Discoverer
init() {
connectionManager = ConnectionManager(serviceID: <SERVICE_ID>, strategy: .pointToPoint)
connectionManager.delegate = self
discoverer = Discoverer(connectionManager: connectionManager)
discoverer.delegate = self
}
func startSubscription() {
discoverer.startDiscovery()
}
func stopSubscription() {
discoverer.stopDiscovery()
}
}
extension Subscriber: ConnectionManagerDelegate {
func connectionManager(
_ connectionManager: ConnectionManager, didReceive data: Data, withID payloadID: PayloadID,
from endpointID: EndpointID) {
// This always gets the full data of the payload.
print(data)
}
func connectionManager(
_ connectionManager: ConnectionManager, didReceive stream: InputStream,
withID payloadID: PayloadID,
from endpointID: EndpointID, cancellationToken token: CancellationToken) {
// We can ignore implementation because we only care about bytes payloads.
}
func connectionManager(
_ connectionManager: ConnectionManager, didStartReceivingResourceWithID payloadID: PayloadID,
from endpointID: EndpointID, at localURL: URL, withName name: String,
cancellationToken token: CancellationToken) {
// We can ignore implementation because we only care about bytes payloads.
}
func connectionManager(
_ connectionManager: ConnectionManager, didReceiveTransferUpdate update: TransferUpdate,
from endpointID: EndpointID, forPayload payloadID: PayloadID) {
// Bytes payloads are sent as a single chunk, so you'll receive TransferUpdate.success
// immediately.
}
func connectionManager(
_ connectionManager: ConnectionManager, didChangeTo state: ConnectionState,
for endpointID: EndpointID) {
switch state {
case .connecting:
// A connection to the remote endpoint is currently being established.
case .connected:
// We're connected! Can now start sending and receiving data.
case .disconnected:
// We've been disconnected from this endpoint. No more data can be sent or received.
case .rejected:
// The connection was rejected by one or both sides.
}
}
}
extension Subscriber: DiscovererDelegate {
func discoverer(_ discoverer: Discoverer, didFind endpointID: EndpointID, with context: Data) {
// An endpoint was found. We request a connection to it.
discoverer.requestConnection(to: endpointID, using: <ENDPOINT_INFO>)
}
func discoverer(_ discoverer: Discoverer, didLose endpointID: EndpointID) {
// A previously discovered endpoint has gone away.
}
}