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Programming language: Swift
License: MIT License
Tags: Network     Socket    
Latest version: v4.0

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README

DNWebSocket

Object-Oriented, Swift-style WebSocket Library (RFC 6455) for Swift-compatible Platforms.

Tests

Conforms to all necessary Autobahn fuzzing tests. Autobahn

Test results for DNWebSocket you can see here.

In comparison with SocketRocket, this library shows 2-10 times better performance in many Limits/Performance tests.

Cases 6.4.1, 6.4.2, 6.4.3, 6.4.4 received result Non-Strict due to perfomance improvements(it's complicated to validate each fragmented text message)

Installation

Cocoapods

To install DNWebSocket via CocoaPods, get it:

$ gem install cocoapods

Then, create a Podfile in your project root directory:

source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '8.0'
use_frameworks!

target '<Target Name>' do
    pod 'DNWebSocket', '~> 1.1.0'
end

And run:

$ pod install

For swift version < 4.2 use 1.0.2 version of pod.

Swift Package Manager

Currently, I'm looking for a generic approach which will allow to use C libraries with all Package Managers. So right now, please, use DNWebSocket-SPM repo.

Requirements

  • iOS 8.0+ / macOS 10.10+ / tvOS 9.0+ / watchOS 2.0+
  • Swift 4.0 + (but I didn't try earlier versions by the way :D)

Usage

Import library as follows:

  import DNWebSocket

Now create websocket, configure it and connect:

let websocket = WebSocket(url: URL(string: "wss://echo.websocket.org:80")!,
                          timeout: 10,
                          protocols: ["chat", "superchat"])

websocket.onConnect = {
    print("connected")
    websocket.sendPing(data: Data())
}

websocket.onData = { (data) in
    websocket.send(data: data)
}

websocket.onText = { (text) in
    websocket.send(string: text)
}

websocket.onPing = { (data) in
    websocket.sendPong(data: data)
}

websocket.onPong = { (data) in
    print("Received pong from server")
}

websocket.onDebugInfo = { (debugInfo) in
    print(debugInfo)
}

websocket.onDisconnect = { (error, closeCode) in
    print("disconnected: \(closeCode)")
}

websocket.connect()

You can create custom connection by accessing .settings and .securitySettings properties:


websocket.settings.timeout = 5 // sec
websocket.settings.debugMode = true // will trigger .onDebugInfo callback and send .debug(String) event
websocket.settings.useCompression = true // false by default
websocket.settings.maskOutputData = true // true by default
websocket.settings.respondPingRequestsAutomatically = true // true by default 
websocket.settings.callbackQueue = .main

websocket.securitySettings.useSSL = false // true by default
websocket.securitySettings.overrideTrustHostname = true // false by default
websocket.securitySettings.trustHostname = /*your hostname*/
websocket.securitySettings.certificateValidationEnabled = true
websocket.securitySettings.cipherSuites = []


*Note that all licence references and agreements mentioned in the DNWebSocket README section above are relevant to that project's source code only.