Add accessory examples

BluetoothAccessory.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example/Package.swift

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+// swift-tools-version:5.7
+import PackageDescription
+
+let bluetoothDependencies: [Target.Dependency] = [
+    "BluetoothAccessory",
+    .product(
+        name: "Bluetooth",
+        package: "Bluetooth"
+    ),
+    .product(
+        name: "BluetoothGATT",
+        package: "Bluetooth",
+        condition: .when(platforms: [.macOS, .linux])
+    ),
+    .product(
+        name: "BluetoothHCI",
+        package: "Bluetooth",
+        condition: .when(platforms: [.macOS, .linux])
+    ),
+    .product(
+        name: "BluetoothGAP",
+        package: "Bluetooth",
+        condition: .when(platforms: [.macOS, .linux])
+    ),
+    .product(
+        name: "GATT",
+        package: "GATT"
+    ),
+    .product(
+        name: "DarwinGATT",
+        package: "GATT",
+        condition: .when(platforms: [.macOS])
+    ),
+    .product(
+        name: "BluetoothLinux",
+        package: "BluetoothLinux",
+        condition: .when(platforms: [.linux])
+    ),
+    .product(
+        name: "ArgumentParser",
+        package: "swift-argument-parser"
+    )
+]
+
+let package = Package(
+    name: "BluetoothAccessory-Sample",
+    platforms: [
+        .macOS(.v12)
+    ],
+    products: [
+        .executable(
+            name: "BulbAccessory",
+            targets: ["BulbAccessory"]
+        ),
+        .executable(
+            name: "LockAccessory",
+            targets: ["LockAccessory"]
+        ),
+        .executable(
+            name: "ThermostatAccessory",
+            targets: ["ThermostatAccessory"]
+        ),
+        .executable(
+            name: "SolarAccessory",
+            targets: ["SolarAccessory"]
+        )
+    ],
+    dependencies: [
+        .package(
+            name: "BluetoothAccessory",
+            path: "../"
+        ),
+        .package(
+            url: "https://github.com/PureSwift/Bluetooth.git",
+            .upToNextMajor(from: "6.0.0")
+        ),
+        .package(
+            url: "https://github.com/PureSwift/GATT.git",
+            branch: "master"
+        ),
+        .package(
+            url: "https://github.com/PureSwift/BluetoothLinux.git",
+            branch: "master"
+        ),
+        .package(
+            url: "https://github.com/apple/swift-argument-parser",
+            from: "1.2.0"
+        ),
+    ],
+    targets: [
+        .executableTarget(
+            name: "BulbAccessory",
+            dependencies: bluetoothDependencies + ["BluetoothAccessoryExample"]
+        ),
+        .executableTarget(
+            name: "LockAccessory",
+            dependencies: bluetoothDependencies + ["BluetoothAccessoryExample"]
+        ),
+        .executableTarget(
+            name: "ThermostatAccessory",
+            dependencies: bluetoothDependencies + ["BluetoothAccessoryExample"]
+        ),
+        .executableTarget(
+            name: "SolarAccessory",
+            dependencies: bluetoothDependencies + ["BluetoothAccessoryExample"]
+        ),
+        .target(
+            name: "BluetoothAccessoryExample",
+            dependencies: bluetoothDependencies
+        )
+    ]
+)

Example/Sources/BluetoothAccessoryExample/AuthenticationDelegate.swift

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+//
+//  AuthenticationDelegate.swift
+//  
+//
+//  Created by Alsey Coleman Miller on 3/1/24.
+//
+
+import Foundation
+import Bluetooth
+import BluetoothAccessory
+
+/// Accessory Authentication Delegate
+public protocol AuthenticationDelegate: AnyObject {
+
+    var isConfigured: Bool { get async }
+
+    var allKeys: [KeysCharacteristic.Item] { get async }
+
+    func key(for id: UUID) async -> Key?
+
+    func newKey(for id: UUID) async -> NewKey?
+
+    func secret(for id: UUID) async -> KeyData?
+
+    func setup(_ request: SetupRequest, authenticationMessage: AuthenticationMessage) async -> Bool
+
+    func create(_ request: CreateNewKeyRequest, authenticationMessage: AuthenticationMessage) async -> Bool
+
+    func confirm(_ request: ConfirmNewKeyRequest, authenticationMessage: AuthenticationMessage) async -> Bool
+
+    func remove(_ request: RemoveKeyRequest, authenticationMessage: AuthenticationMessage) async -> Bool
+}

Example/Sources/BluetoothAccessoryExample/AuthenticationFile.swift

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+//
+//  AuthenticationFile.swift
+//
+//
+//  Created by Alsey Coleman Miller on 3/1/24.
+//
+
+import Foundation
+import Bluetooth
+import BluetoothAccessory
+
+/// Bluetooth Accessory Authentication File.
+public struct AuthenticationFile: Equatable, Hashable, Codable, JSONFile {
+
+    public var keys: [UUID: Key]
+
+    public var newKeys: [UUID: NewKey]
+
+    public var secretData: [UUID: KeyData]
+
+    public init() {
+        self.keys = [:]
+        self.newKeys = [:]
+        self.secretData = [:]
+    }
+}
+
+public extension AuthenticationFile {
+
+    var isConfigured: Bool {
+        keys.contains(where: { $0.value.permission == .owner })
+    }
+
+    init(owner: Key, secret: KeyData) {
+        assert(owner.permission == .owner)
+        self.keys = [owner.id : owner]
+        self.newKeys = [:]
+        self.secretData = [owner.id : secret]
+    }
+}