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emqx/CocoaMQTT
MQTT for iOS and macOS written with Swift
.package(url: "https://github.com/emqx/CocoaMQTT.git", from: "1.3.0-rc.1")

CocoaMQTT

PodVersion Platforms License Swift version Coverage Status

MQTT v3.1.1 client library for iOS/macOS/tvOS written with Swift 5

Build

Build with Xcode 11.1 / Swift 5.1

iOS Target: 10.0 or above

Installation

CocoaPods

Install using CocoaPods by adding this line to your Podfile:

use_frameworks! # Add this if you are targeting iOS 8+ or using Swift
pod 'CocoaMQTT'  

Then, run the following command:

$ pod install

Carthage

Install using Carthage by adding the following lines to your Cartfile:

github "emqx/CocoaMQTT" "master"

Then, run the following command:

$ carthage update --platform iOS,macOS,tvOS

Last if you're building for OS X:

  • On your application targets “General” settings tab, in the "Embedded Binaries" section, drag and drop CocoaMQTT.framework from the Carthage/Build/Mac folder on disk.

If you're building for iOS, tvOS:

  • On your application targets “General” settings tab, in the "Linked Frameworks and Libraries" section, drag and drop each framework you want to use from the Carthage/Build folder on disk.

  • On your application targets "Build Phases" settings tab, click the "+" icon and choose "New Run Script Phase". Create a Run Script with the following contents:

    /usr/local/bin/carthage copy-frameworks
    
  • and add the paths to the frameworks you want to use under "Input Files", e.g.:

    $(SRCROOT)/Carthage/Build/iOS/CocoaMQTT.framework
    

Usage

Create a client to connect MQTT broker:

let clientID = "CocoaMQTT-" + String(ProcessInfo().processIdentifier)
let mqtt = CocoaMQTT(clientID: clientID, host: "localhost", port: 1883)
mqtt.username = "test"
mqtt.password = "public"
mqtt.willMessage = CocoaMQTTWill(topic: "/will", message: "dieout")
mqtt.keepAlive = 60
mqtt.delegate = self
mqtt.connect()

Now you can use closures instead of CocoaMQTTDelegate:

mqtt.didReceiveMessage = { mqtt, message, id in
	print("Message received in topic \(message.topic) with payload \(message.string!)")           
}

SSL Secure

One-way certification

No certificate is required locally. If you want to trust all untrust CA certificates, you can do this:

mqtt.allowUntrustCACertificate = true

Two-way certification

Need a .p12 file which is generated by a public key file and a private key file. You can generate the p12 file in the terminal:

openssl pkcs12 -export -clcerts -in client-cert.pem -inkey client-key.pem -out client.p12

MQTT over Websocket

In the 1.3.0, The CocoaMQTT has supported to connect to MQTT Broker by Websocket.

If you integrated by CocoaPods, you need to modify you Podfile like the followings and execute pod install again:

use_frameworks!

target 'Example' do
    pod 'CocoaMQTT/WebSockets', '1.3.0-rc.1'
end

If you're using CocoaMQTT in a project with only a .podspec and no Podfile, e.g. in a module for React Native, add this line to your .podspec:

Pod::Spec.new do |s|
  ...
  s.dependency "Starscream", "~> 3.0.2"
end

Then, Create a MQTT instance over Websocket:

let websocket = CocoaMQTTWebSocket(uri: "/mqtt")
let mqtt = CocoaMQTT(clientID: clientID, host: host, port: 8083, socket: websocket)

// ...

_ = mqtt.connect()

If you want to add additional custom header to the connection, you can use the following:

let websocket = CocoaMQTTWebSocket(uri: "/mqtt")
websocket.headers = [
            "x-api-key": "value"
        ]
        websocket.enableSSL = true

let mqtt = CocoaMQTT(clientID: clientID, host: host, port: 8083, socket: websocket)

// ...

_ = mqtt.connect()

Example App

You can follow the Example App to learn how to use it. But we need to make the Example App works fisrt:

$ cd Examples

$ pod install

Then, open the Example.xcworkspace/ by Xcode and start it!

Dependencies

These third-party functions are used:

LICENSE

MIT License (see LICENSE)

Contributors

Author

Twitter

https://twitter.com/emqtt

GitHub

link
Stars: 1167
Last commit: Yesterday

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

Dependencies

Release Notes

1 year ago

Features:

  • Exponential Auto-Reconnect (#287 #290)

Bug fixes:

  • Remove assert lines (#259)

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API