MQTT Client
- Fully written in Swift 4
- Robust error handling
- Performant
- Based on MQTT 3.1.1 Specification
mqttSession = MQTTSession(
host: "localhost",
port: 1883,
clientID: "swift", // must be unique to the client
cleanSession: true,
keepAlive: 15,
useSSL: false
)
mqttSession.connect { error in
if error == .none {
print("Connected!")
} else {
print(error.description)
}
}
let topic = "mytopic"
mqttSession.subscribe(to: topic, delivering: .atLeastOnce) { error in
if error == .none {
print("Subscribed to \(topic)!")
} else {
print(error.description)
}
}
let topic = "mytopic"
mqttSession.unSubscribe(from: topic) { error in
if error == .none {
print("Unsubscribed from \(topic)!")
} else {
print(error.description)
}
}
let json = ["key" : "value"]
let data = try! JSONSerialization.data(withJSONObject: json, options: .prettyPrinted)
let topic = "mytopic"
mqttSession.publish(data, in: topic, delivering: .atLeastOnce, retain: false) { error in
if error == .none {
print("Published data in \(topic)!")
} else {
print(error.description)
}
}
mqttSession.delegate = self
func mqttDidReceive(message: MQTTMessage, from session: MQTTSession) {
print(message.topic)
print(message.stringRepresentation)
}
func mqttDidDisconnect(session: MQTTSession, error: MQTTSessionError) {
if error == .none {
print("Successfully disconnected from MQTT broker")
} else {
print(error.description)
}
}
Install using CocoaPods by adding the following lines to your Podfile:
target 'MyApp' do
use_frameworks!
pod 'SwiftMQTT'
end
github "chryb/SwiftMQTT"
dependencies: [
.package(url: "https://github.com/chryb/SwiftMQTT.git", from: "3.0.0")
]
MIT