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Use websocket to communicate with extension thebaselab#1104
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // | ||
| // AppExtensionService.swift | ||
| // Code App | ||
| // | ||
| // Created by Ken Chung on 02/07/2024. | ||
| // | ||
|
|
||
| import Dynamic | ||
| import Foundation | ||
| import ios_system | ||
|
|
||
| class AppExtensionService: NSObject { | ||
| static let PORT = 50002 | ||
| static let shared = AppExtensionService() | ||
| private var task: URLSessionWebSocketTask? = nil | ||
|
|
||
| func startServer() { | ||
| let BLE: AnyClass = (NSClassFromString("TlNFeHRlbnNpb24=".base64Decoded()!)!) | ||
| let ext = Dynamic(BLE).extensionWithIdentifier("thebaselab.VS-Code.extension", error: nil) | ||
| let frameworkDir = Bundle.main.privateFrameworksPath! | ||
| let frameworkDirBookmark = try! URL(fileURLWithPath: frameworkDir).bookmarkData() | ||
| let item = NSExtensionItem() | ||
| item.userInfo = [ | ||
| "frameworksDirectoryBookmark": frameworkDirBookmark, | ||
| "port": AppExtensionService.PORT, | ||
| ] | ||
| ext.setRequestInterruptionBlock( | ||
| { uuid in | ||
| print("Extension server crashed, attempting to restart") | ||
| self.startServer() | ||
| } as RequestInterruptionBlock) | ||
|
|
||
| ext.beginExtensionRequestWithInputItems( | ||
| [item], | ||
| completion: { uuid in | ||
| let pid = ext.pid(forRequestIdentifier: uuid) | ||
| if let uuid = uuid { | ||
| print("Started extension request: \(uuid). Extension PID is \(pid)") | ||
| } | ||
| print("Extension server listening on 127.0.0.1:\(AppExtensionService.PORT)") | ||
| } as RequestBeginBlock) | ||
| } | ||
| func terminate() { | ||
| self.task?.cancel() | ||
| } | ||
|
|
||
| func call( | ||
| args: [String], | ||
| t_stdin: UnsafeMutablePointer<FILE>, | ||
| t_stdout: UnsafeMutablePointer<FILE> | ||
| ) async throws { | ||
| defer { | ||
| self.task = nil | ||
| signal(SIGINT, SIG_DFL) | ||
| } | ||
|
|
||
| let signalCallback: sig_t = { signal in | ||
| AppExtensionService.shared.terminate() | ||
| } | ||
| signal(SIGINT, signalCallback) | ||
|
|
||
| let task = URLSession.shared.webSocketTask( | ||
| with: URL(string: "ws://127.0.0.1:\(String(AppExtensionService.PORT))/websocket")!) | ||
| self.task = task | ||
| task.resume() | ||
|
|
||
| let handle = FileHandle(fileDescriptor: fileno(t_stdin), closeOnDealloc: false) | ||
| handle.readabilityHandler = { fileHandle in | ||
| if let str = String(data: fileHandle.availableData, encoding: .utf8) { | ||
| Task { | ||
| try await task.send(.string(str)) | ||
| print("Sending -> \(str)") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| let frame = ExecutionRequestFrame( | ||
| args: args, | ||
| workingDirectoryBookmark: try? URL( | ||
| fileURLWithPath: FileManager.default.currentDirectoryPath | ||
| ).bookmarkData() | ||
| ) | ||
| try await task.send(.string(frame.stringRepresentation)) | ||
| print("Sending -> \(frame.stringRepresentation)") | ||
|
|
||
| while let message = try? await task.receive() { | ||
| switch message { | ||
| case .string(let text): | ||
| print("Receiving <- \(text)") | ||
| fputs(text, t_stdout) | ||
| default: | ||
| continue | ||
| } | ||
| } | ||
| } | ||
| } |
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