Socket.IO-client for iOS/OS X.
import SocketIO
let manager = SocketManager(socketURL: URL(string: "http://localhost:8080")!, config: [.log(true), .compress])
let socket = manager.defaultSocket
socket.on(clientEvent: .connect) {data, ack in
    print("socket connected")
}
socket.on("currentAmount") {data, ack in
    guard let cur = data[0] as? Double else { return }
    
    socket.emitWithAck("canUpdate", cur).timingOut(after: 0) {data in
        if data.first as? String ?? "passed" == SocketAckStatus.noAck {
            // Handle ack timeout 
        }
        socket.emit("update", ["amount": cur + 2.50])
    }
    ack.with("Got your currentAmount", "dude")
}
socket.connect()- Supports Socket.IO server 2.0+/3.0+/4.0+ (see the compatibility table)
- Supports Binary
- Supports Polling and WebSockets
- Supports TLS/SSL
Checkout the FAQs for commonly asked questions.
Checkout the 12to13 guide for migrating to v13+ from v12 below.
Checkout the 15to16 guide for migrating to v16+ from v15.
Requires Swift 4/5 and Xcode 10.x
Add the project as a dependency to your Package.swift:
// swift-tools-version:4.2
import PackageDescription
let package = Package(
    name: "socket.io-test",
    products: [
        .executable(name: "socket.io-test", targets: ["YourTargetName"])
    ],
    dependencies: [
        .package(url: "https://github.com/socketio/socket.io-client-swift", .upToNextMinor(from: "16.1.1"))
    ],
    targets: [
        .target(name: "YourTargetName", dependencies: ["SocketIO"], path: "./Path/To/Your/Sources")
    ]
)Then import import SocketIO.
Add this line to your Cartfile:
github "socketio/socket.io-client-swift" ~> 16.1.1
Run carthage update --platform ios,macosx.
Add the Starscream and SocketIO frameworks to your projects and follow the usual Carthage process.
Create Podfile and add pod 'Socket.IO-Client-Swift':
use_frameworks!
target 'YourApp' do
    pod 'Socket.IO-Client-Swift', '~> 16.1.1'
endInstall pods:
$ pod install
Import the module:
Swift:
import SocketIOObjective-C:
@import SocketIO;A more detailed example can be found here
An example using the Swift Package Manager can be found here
MIT