UTM/Scripting/UTMScriptingVirtualMachineI...

300 lines
11 KiB
Swift

//
// Copyright © 2022 osy. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import QEMUKitInternal
@MainActor
@objc(UTMScriptingVirtualMachineImpl)
class UTMScriptingVirtualMachineImpl: NSObject, UTMScriptable {
@nonobjc var box: VMData
@nonobjc var data: UTMData
@nonobjc var vm: (any UTMVirtualMachine)! {
box.wrapped
}
@objc var id: String {
vm.id.uuidString
}
@objc var name: String {
box.detailsTitleLabel
}
@objc var notes: String {
box.detailsNotes ?? ""
}
@objc var machine: String {
box.detailsSystemTargetLabel
}
@objc var architecture: String {
box.detailsSystemArchitectureLabel
}
@objc var memory: String {
box.detailsSystemMemoryLabel
}
@objc var backend: UTMScriptingBackend {
if vm is UTMQemuVirtualMachine {
return .qemu
} else if vm is UTMAppleVirtualMachine {
return .apple
} else {
return .unavailable
}
}
@objc var status: UTMScriptingStatus {
switch vm.state {
case .stopped: return .stopped
case .starting: return .starting
case .started: return .started
case .pausing: return .pausing
case .paused: return .paused
case .resuming: return .resuming
case .stopping: return .stopping
case .saving: return .pausing // FIXME: new entries
case .restoring: return .resuming // FIXME: new entries
}
}
@objc var serialPorts: [UTMScriptingSerialPortImpl] {
if let config = vm.config as? UTMQemuConfiguration {
return config.serials.indices.map({ UTMScriptingSerialPortImpl(qemuSerial: config.serials[$0], parent: self, index: $0) })
} else if let config = vm.config as? UTMAppleConfiguration {
return config.serials.indices.map({ UTMScriptingSerialPortImpl(appleSerial: config.serials[$0], parent: self, index: $0) })
} else {
return []
}
}
var guestAgent: QEMUGuestAgent! {
get async {
await (vm as? UTMQemuVirtualMachine)?.guestAgent
}
}
override var objectSpecifier: NSScriptObjectSpecifier? {
let appDescription = NSApplication.classDescription() as! NSScriptClassDescription
return NSUniqueIDSpecifier(containerClassDescription: appDescription,
containerSpecifier: nil,
key: "scriptingVirtualMachines",
uniqueID: id)
}
init(for vm: VMData, data: UTMData) {
self.box = vm
self.data = data
}
@objc func start(_ command: NSScriptCommand) {
let shouldSaveState = command.evaluatedArguments?["saveFlag"] as? Bool ?? true
withScriptCommand(command) { [self] in
if !shouldSaveState {
guard type(of: vm).capabilities.supportsDisposibleMode else {
throw ScriptingError.operationNotSupported
}
}
data.run(vm: box, startImmediately: false)
if vm.state == .stopped {
try await vm.start(options: shouldSaveState ? [] : .bootDisposibleMode)
} else if vm.state == .paused {
try await vm.resume()
} else {
throw ScriptingError.operationNotAvailable
}
}
}
@objc func suspend(_ command: NSScriptCommand) {
let shouldSaveState = command.evaluatedArguments?["saveFlag"] as? Bool ?? false
withScriptCommand(command) { [self] in
guard vm.state == .started else {
throw ScriptingError.notRunning
}
try await vm.pause()
if shouldSaveState {
try await vm.saveSnapshot(name: nil)
}
}
}
@objc func stop(_ command: NSScriptCommand) {
let stopMethod: UTMScriptingStopMethod
if let stopMethodValue = command.evaluatedArguments?["stopBy"] as? AEKeyword {
stopMethod = UTMScriptingStopMethod(rawValue: stopMethodValue) ?? .force
} else {
stopMethod = .force
}
withScriptCommand(command) { [self] in
guard vm.state == .started || stopMethod == .kill else {
throw ScriptingError.notRunning
}
switch stopMethod {
case .force:
try await vm.stop(usingMethod: .force)
case .kill:
try await vm.stop(usingMethod: .kill)
case .request:
try await vm.stop(usingMethod: .request)
}
}
}
@objc func delete(_ command: NSDeleteCommand) {
withScriptCommand(command) { [self] in
guard vm.state == .stopped else {
throw ScriptingError.notStopped
}
try await data.delete(vm: box, alsoRegistry: true)
}
}
@objc func clone(_ command: NSCloneCommand) {
let properties = command.evaluatedArguments?["WithProperties"] as? [AnyHashable : Any]
withScriptCommand(command) { [self] in
guard vm.state == .stopped else {
throw ScriptingError.notStopped
}
let newVM = try await data.clone(vm: box)
if let properties = properties, let newConfiguration = properties["configuration"] as? [AnyHashable : Any] {
let wrapper = UTMScriptingConfigImpl(newVM.config!)
try wrapper.updateConfiguration(from: newConfiguration)
try await data.save(vm: newVM)
}
}
}
}
// MARK: - Guest agent suite
@objc extension UTMScriptingVirtualMachineImpl {
@nonobjc private func withGuestAgent<Result>(_ block: (QEMUGuestAgent) async throws -> Result) async throws -> Result {
guard vm.state == .started else {
throw ScriptingError.notRunning
}
guard let vm = vm as? UTMQemuVirtualMachine else {
throw ScriptingError.operationNotSupported
}
guard let guestAgent = await vm.guestAgent else {
throw ScriptingError.guestAgentNotRunning
}
return try await block(guestAgent)
}
@objc func valueInOpenFilesWithUniqueID(_ id: Int) -> UTMScriptingGuestFileImpl {
UTMScriptingGuestFileImpl(from: id, parent: self)
}
@objc func openFile(_ command: NSScriptCommand) {
let path = command.evaluatedArguments?["path"] as? String
let mode = command.evaluatedArguments?["mode"] as? AEKeyword
let isUpdate = command.evaluatedArguments?["isUpdate"] as? Bool ?? false
withScriptCommand(command) { [self] in
guard let path = path else {
throw ScriptingError.invalidParameter
}
let modeValue: String
if let mode = mode {
switch UTMScriptingOpenMode(rawValue: mode) {
case .reading: modeValue = "r"
case .writing: modeValue = "w"
case .appending: modeValue = "a"
default: modeValue = "r"
}
} else {
modeValue = "r"
}
return try await withGuestAgent { guestAgent in
let handle = try await guestAgent.guestFileOpen(path, mode: modeValue + (isUpdate ? "+" : ""))
return UTMScriptingGuestFileImpl(from: handle, parent: self)
}
}
}
@objc func valueInProcessesWithUniqueID(_ id: Int) -> UTMScriptingGuestProcessImpl {
UTMScriptingGuestProcessImpl(from: id, parent: self)
}
@objc func execute(_ command: NSScriptCommand) {
let path = command.evaluatedArguments?["path"] as? String
let argv = command.evaluatedArguments?["argv"] as? [String]
let envp = command.evaluatedArguments?["envp"] as? [String]
let input = command.evaluatedArguments?["input"] as? String
let isBase64Encoded = command.evaluatedArguments?["isBase64Encoded"] as? Bool ?? false
let isCaptureOutput = command.evaluatedArguments?["isCaptureOutput"] as? Bool ?? false
let inputData = dataFromText(input, isBase64Encoded: isBase64Encoded)
withScriptCommand(command) { [self] in
guard let path = path else {
throw ScriptingError.invalidParameter
}
return try await withGuestAgent { guestAgent in
let pid = try await guestAgent.guestExec(path, argv: argv, envp: envp, input: inputData, captureOutput: isCaptureOutput)
return UTMScriptingGuestProcessImpl(from: pid, parent: self)
}
}
}
@objc func queryIp(_ command: NSScriptCommand) {
withScriptCommand(command) { [self] in
try await withGuestAgent { guestAgent in
let interfaces = try await guestAgent.guestNetworkGetInterfaces()
var ipv4: [String] = []
var ipv6: [String] = []
for interface in interfaces {
for ip in interface.ipAddresses {
if ip.isIpV6Address {
if ip.ipAddress != "::1" && ip.ipAddress != "0:0:0:0:0:0:0:1" {
ipv6.append(ip.ipAddress)
}
} else {
if ip.ipAddress != "127.0.0.1" {
ipv4.append(ip.ipAddress)
}
}
}
}
return ipv4 + ipv6
}
}
}
}
// MARK: - Errors
extension UTMScriptingVirtualMachineImpl {
enum ScriptingError: Error, LocalizedError {
case operationNotAvailable
case operationNotSupported
case notRunning
case notStopped
case guestAgentNotRunning
case invalidParameter
var errorDescription: String? {
switch self {
case .operationNotAvailable: return NSLocalizedString("Operation not available.", comment: "UTMScriptingVirtualMachineImpl")
case .operationNotSupported: return NSLocalizedString("Operation not supported by the backend.", comment: "UTMScriptingVirtualMachineImpl")
case .notRunning: return NSLocalizedString("The virtual machine is not running.", comment: "UTMScriptingVirtualMachineImpl")
case .notStopped: return NSLocalizedString("The virtual machine must be stopped before this operation can be performed.", comment: "UTMScriptingVirtualMachineImpl")
case .guestAgentNotRunning: return NSLocalizedString("The QEMU guest agent is not running or not installed on the guest.", comment: "UTMScriptingVirtualMachineImpl")
case .invalidParameter: return NSLocalizedString("One or more required parameters are missing or invalid.", comment: "UTMScriptingVirtualMachineImpl")
}
}
}
}