LCL Speedtest

LCL Speedtest is a cross-platform Speedtest client-side library written in Swift. The library is a community implementation of NDT7 protocol from M-Lab.

Please follow the policy and rules from M-Lab when using the measurement resources.

Requirements

• Swift 5.7+
• macOS 10.15+, iOS 14+, Linux

Getting Started

Add the following to your Package.swift file:

.package(url: "https://github.com/Local-Connectivity-Lab/lcl-speedtest.git", from: "1.0.0")

Then import the module to your project

.target(
    name: "YourAppName",
    .dependencies: [
        .product(name: "LCLSpeedtest", package: "lcl-speedtest")
    ]
)

Basic Usage

var testClient = SpeedTestClient()
testClient.onDownloadProgress = { measurement in
    print(measurement)
}
testClient.onUploadProgress = { measurement in
    print(measurement)
}
try await testClient.start(with: .downloadAndUpload)

Features

• Measure download and upload throughputs through Websocket protocol.
• Fine tune upload throughput following the system capacity.
• Measurement supports cancellation.

Contributing

Any contribution and pull requests are welcome! However, before you plan to implement some features or try to fix an uncertain issue, it is recommended to open a discussion first. You can also join our Discord channel, or visit our website.

License

LCL Speedtest is released under Apache License. See LICENSE for more details.