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feat: MetricKit TestVersion 1 (#2476)
This PR adds a first iteration of sending MetricKitData of MXCrashDiagnostic, MXCPUExceptionDiagnostic, and MXDiskWriteExceptionDiagnostic to Sentry. This PRs aim is to have the code running in the iOS-Swift test app via TestFlight to get some real MetricKit data of MXCPUExceptionDiagnostic, and MXDiskWriteExceptionDiagnostic. MXCrashDiagnostic exists solely for validating the stacktrace symbolication.
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75
Samples/iOS-Swift/iOS-Swift/Tools/DiskWriteException.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| import Foundation | ||
| import Sentry | ||
|
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| /** | ||
| * The system throws an exception and generates a report when the disk writes from your app exceed a certain threshold in a 24-hour period. | ||
| * See https://developer.apple.com/documentation/xcode/reducing-disk-write. | ||
| * Therefore we write plenty of data to disk on a background thread to hopefully trigger a DiskWriteException. | ||
| */ | ||
| class DiskWriteException { | ||
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| private let dispatchQueue = DispatchQueue(label: "DiskWriteException", attributes: [.concurrent]) | ||
| private let folder: URL | ||
| private var running = false | ||
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| init() { | ||
| // swiftlint:disable force_unwrapping | ||
| let cachesDirectory = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask).first! | ||
| // swiftlint:enable force_unwrapping | ||
| folder = cachesDirectory.appendingPathComponent("DiskWriteException/") | ||
| } | ||
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| func continuouslyWriteToDisk() { | ||
| if running { | ||
| return | ||
| } | ||
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| running = true | ||
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| dispatchQueue.async { | ||
| do { | ||
| let fileManager = FileManager.default | ||
| try fileManager.createDirectory(at: self.folder, withIntermediateDirectories: true) | ||
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| let url = self.folder.appendingPathComponent("SomeBytes.txt") | ||
| fileManager.createFile(atPath: url.absoluteString, contents: nil) | ||
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| // Keep writing random data to SomeBytes.txt | ||
| while true { | ||
| var data = Data() | ||
| for _ in 0..<100_000 { | ||
| let random = UInt8.random(in: 0...10) | ||
| data.append(Data(repeating: random, count: 50)) | ||
| } | ||
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| try data.write(to: url, options: .atomic) | ||
| self.delay() | ||
| } | ||
| } catch { | ||
| SentrySDK.capture(error: error) | ||
| } | ||
| } | ||
| } | ||
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| private func delay(timeout: Double = 0.1) { | ||
| let group = DispatchGroup() | ||
| group.enter() | ||
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| self.dispatchQueue.asyncAfter(deadline: .now() + timeout) { | ||
| group.leave() | ||
| } | ||
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| group.wait() | ||
| } | ||
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| func deleteFiles() { | ||
| let fileManager = FileManager.default | ||
| do { | ||
| if fileManager.fileExists(atPath: folder.path) { | ||
| try fileManager.removeItem(at: folder) | ||
| } | ||
| } catch { | ||
| SentrySDK.capture(error: error) | ||
| } | ||
| } | ||
| } |
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