file provider works

apps/ios/Shared/AppDelegate.swift

@@ -8,7 +8,8 @@
 
 import Foundation
 import UIKit
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 class AppDelegate: NSObject, UIApplicationDelegate {
     func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {

apps/ios/Shared/Model/BGManager.swift

@@ -70,8 +70,8 @@ class BGManager {
             return
         }
         self.completed = false
-        DispatchQueue.main.async {
-            initializeChat()
+        Task {
+            await initializeChat()
             if ChatModel.shared.currentUser == nil {
                 completeReceiving("no current user")
                 return

apps/ios/Shared/Model/ChatModel.swift

@@ -10,7 +10,7 @@ import Foundation
 import Combine
 import SwiftUI
 import WebKit
-import SimpleXChat
+import SimpleXChatSDK
 
 final class ChatModel: ObservableObject {
     @Published var onboardingStage: OnboardingStage?

apps/ios/Shared/Model/NtfManager.swift

@@ -9,7 +9,8 @@
 import Foundation
 import UserNotifications
 import UIKit
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 let ntfActionAcceptContact = "NTF_ACT_ACCEPT_CONTACT"
 let ntfActionAcceptCall = "NTF_ACT_ACCEPT_CALL"

apps/ios/Shared/Model/SimpleXAPI.swift

@@ -11,9 +11,8 @@ import UIKit
 import Dispatch
 import BackgroundTasks
 import SwiftUI
-import SimpleXChat
-
-private var chatController: chat_ctrl?
+import SimpleXChatSDK
+import SimpleXAppShared
 
 enum TerminalItem: Identifiable {
     case cmd(Date, ChatCommand)
@@ -47,7 +46,7 @@ enum TerminalItem: Identifiable {
     }
 }
 
-private func beginBGTask(_ handler: (() -> Void)? = nil) -> (() -> Void) {
+private func beginBGTask(_ handler: (() -> Void)? = nil) -> (@Sendable () -> Void) {
     var id: UIBackgroundTaskIdentifier!
     var running = true
     let endTask = {
@@ -72,10 +71,10 @@ private func beginBGTask(_ handler: (() -> Void)? = nil) -> (() -> Void) {
 let msgDelay: Double = 7.5
 let maxTaskDuration: Double = 15
 
-private func withBGTask(bgDelay: Double? = nil, f: @escaping () -> ChatResponse) -> ChatResponse {
+private func withBGTask(bgDelay: Double? = nil, f: @escaping () async -> ChatResponse) async -> ChatResponse {
     let endTask = beginBGTask()
     DispatchQueue.global().asyncAfter(deadline: .now() + maxTaskDuration, execute: endTask)
-    let r = f()
+    let r = await f()
     if let d = bgDelay {
         DispatchQueue.global().asyncAfter(deadline: .now() + d, execute: endTask)
     } else {
@@ -84,10 +83,10 @@ private func withBGTask(bgDelay: Double? = nil, f: @escaping () -> ChatResponse)
     return r
 }
 
-func chatSendCmdSync(_ cmd: ChatCommand, bgTask: Bool = true, bgDelay: Double? = nil) -> ChatResponse {
+func chatSendCmd(_ cmd: ChatCommand, bgTask: Bool = true, bgDelay: Double? = nil) async -> ChatResponse {
     logger.debug("chatSendCmd \(cmd.cmdType)")
-    let resp = bgTask
-                ? withBGTask(bgDelay: bgDelay) { sendSimpleXCmd(cmd) }
+    let resp = await bgTask
+                ? withBGTask(bgDelay: bgDelay) { await sendSimpleXCmd(cmd) }
                 : sendSimpleXCmd(cmd)
     logger.debug("chatSendCmd \(cmd.cmdType): \(resp.responseType)")
     if case let .response(_, json) = resp {
@@ -102,25 +101,14 @@ func chatSendCmdSync(_ cmd: ChatCommand, bgTask: Bool = true, bgDelay: Double? =
     return resp
 }
 
-func chatSendCmd(_ cmd: ChatCommand, bgTask: Bool = true, bgDelay: Double? = nil) async -> ChatResponse {
-    await withCheckedContinuation { cont in
-        cont.resume(returning: chatSendCmdSync(cmd, bgTask: bgTask, bgDelay: bgDelay))
-    }
-}
-
 func chatRecvMsg() async -> ChatResponse {
-    await withCheckedContinuation { cont in
-        _ = withBGTask(bgDelay: msgDelay) {
-            let resp = chatResponse(chat_recv_msg(getChatCtrl())!)
-            cont.resume(returning: resp)
-            return resp
-        }
+    await withBGTask(bgDelay: msgDelay) {
+        await recvSimpleXMsg()
     }
 }
 
-func apiGetActiveUser() throws -> User? {
-    let _ = getChatCtrl()
-    let r = chatSendCmdSync(.showActiveUser)
+func apiGetActiveUser() async throws -> User? {
+    let r = await chatSendCmd(.showActiveUser)
     switch r {
     case let .activeUser(user): return user
     case .chatCmdError(.error(.noActiveUser)): return nil
@@ -128,14 +116,14 @@ func apiGetActiveUser() throws -> User? {
     }
 }
 
-func apiCreateActiveUser(_ p: Profile) throws -> User {
-    let r = chatSendCmdSync(.createActiveUser(profile: p))
+func apiCreateActiveUser(_ p: Profile) async throws -> User {
+    let r = await chatSendCmd(.createActiveUser(profile: p))
     if case let .activeUser(user) = r { return user }
     throw r
 }
 
-func apiStartChat() throws -> Bool {
-    let r = chatSendCmdSync(.startChat)
+func apiStartChat() async throws -> Bool {
+    let r = await chatSendCmd(.startChat)
     switch r {
     case .chatStarted: return true
     case .chatRunning: return false
@@ -143,20 +131,20 @@ func apiStartChat() throws -> Bool {
     }
 }
 
-func apiSetFilesFolder(filesFolder: String) throws {
-    let r = chatSendCmdSync(.setFilesFolder(filesFolder: filesFolder))
+func apiSetFilesFolder(filesFolder: String) async throws {
+    let r = await chatSendCmd(.setFilesFolder(filesFolder: filesFolder))
     if case .cmdOk = r { return }
     throw r
 }
 
-func apiGetChats() throws -> [Chat] {
-    let r = chatSendCmdSync(.apiGetChats)
+func apiGetChats() async throws -> [Chat] {
+    let r = await chatSendCmd(.apiGetChats)
     if case let .apiChats(chats) = r { return chats.map { Chat.init($0) } }
     throw r
 }
 
-func apiGetChat(type: ChatType, id: Int64) throws -> Chat {
-    let r = chatSendCmdSync(.apiGetChat(type: type, id: id))
+func apiGetChat(type: ChatType, id: Int64) async throws -> Chat {
+    let r = await chatSendCmd(.apiGetChat(type: type, id: id))
     if case let .apiChat(chat) = r { return Chat.init(chat) }
     throw r
 }
@@ -214,8 +202,8 @@ func apiDeleteToken(token: String) async throws {
     try await sendCommandOkResp(.apiDeleteToken(token: token))
 }
 
-func getUserSMPServers() throws -> [String] {
-    let r = chatSendCmdSync(.getUserSMPServers)
+func getUserSMPServers() async throws -> [String] {
+    let r = await chatSendCmd(.getUserSMPServers)
     if case let .userSMPServers(smpServers) = r { return smpServers }
     throw r
 }
@@ -224,8 +212,8 @@ func setUserSMPServers(smpServers: [String]) async throws {
     try await sendCommandOkResp(.setUserSMPServers(smpServers: smpServers))
 }
 
-func apiAddContact() throws -> String {
-    let r = chatSendCmdSync(.addContact, bgTask: false)
+func apiAddContact() async throws -> String {
+    let r = await chatSendCmd(.addContact, bgTask: false)
     if case let .invitation(connReqInvitation) = r { return connReqInvitation }
     throw r
 }
@@ -312,8 +300,8 @@ func apiUpdateProfile(profile: Profile) async throws -> Profile? {
     }
 }
 
-func apiParseMarkdown(text: String) throws -> [FormattedText]? {
-    let r = chatSendCmdSync(.apiParseMarkdown(text: text))
+func apiParseMarkdown(text: String) async throws -> [FormattedText]? {
+    let r = await sendSimpleXCmd(.apiParseMarkdown(text: text))
     if case let .apiParsedMarkdown(formattedText) = r { return formattedText }
     throw r
 }
@@ -330,8 +318,8 @@ func apiDeleteUserAddress() async throws {
     throw r
 }
 
-func apiGetUserAddress() throws -> String? {
-    let r = chatSendCmdSync(.showMyAddress)
+func apiGetUserAddress() async throws -> String? {
+    let r = await sendSimpleXCmd(.showMyAddress)
     switch r {
     case let .userContactLink(connReq):
         return connReq
@@ -454,36 +442,45 @@ private func sendCommandOkResp(_ cmd: ChatCommand) async throws {
     throw r
 }
 
-func initializeChat() {
+func initializeChat() async {
     logger.debug("initializeChat")
     do {
         let m = ChatModel.shared
-        m.currentUser = try apiGetActiveUser()
-        if m.currentUser == nil {
-            m.onboardingStage = .step1_SimpleXInfo
-        } else {
-            startChat()
+        let user = try await apiGetActiveUser()
+        await MainActor.run {
+            m.currentUser = user
+            if user == nil {
+                m.onboardingStage = .step1_SimpleXInfo
+            }
+        }
+        if user != nil {
+            await startChat()
         }
     } catch {
         fatalError("Failed to initialize chat controller or database: \(error)")
     }
 }
 
-func startChat() {
+func startChat() async {
     logger.debug("startChat")
     do {
-        let m = ChatModel.shared
         // TODO set file folder once, before chat is started
-        let justStarted = try apiStartChat()
+        let justStarted = try await apiStartChat()
         if justStarted {
-            try apiSetFilesFolder(filesFolder: getAppFilesDirectory().path)
-            m.userAddress = try apiGetUserAddress()
-            m.userSMPServers = try getUserSMPServers()
-            m.chats = try apiGetChats()
-            withAnimation {
-                m.onboardingStage = m.chats.isEmpty
-                                    ? .step3_MakeConnection
-                                    : .onboardingComplete
+            try await apiSetFilesFolder(filesFolder: getAppFilesDirectory().path)
+            let userAddress = try await apiGetUserAddress()
+            let userSMPServers = try await getUserSMPServers()
+            let chats = try await apiGetChats()
+            DispatchQueue.main.async {
+                let m = ChatModel.shared
+                m.userAddress = userAddress
+                m.userSMPServers = userSMPServers
+                m.chats = chats
+                withAnimation {
+                    m.onboardingStage = m.chats.isEmpty
+                                        ? .step3_MakeConnection
+                                        : .onboardingComplete
+                }
             }
         }
         ChatReceiver.shared.start()
@@ -512,7 +509,7 @@ class ChatReceiver {
     func receiveMsgLoop() async {
         let msg = await chatRecvMsg()
         self._lastMsgTime = .now
-        processReceivedMsg(msg)
+        await processReceivedMsg(msg)
         if self.receiveMessages {
             do { try await Task.sleep(nanoseconds: 7_500_000) }
             catch { logger.error("receiveMsgLoop: Task.sleep error: \(error.localizedDescription)") }
@@ -528,7 +525,7 @@ class ChatReceiver {
     }
 }
 
-func processReceivedMsg(_ res: ChatResponse) {
+func processReceivedMsg(_ res: ChatResponse) async {
     let m = ChatModel.shared
     DispatchQueue.main.async {
         m.terminalItems.append(.resp(.now, res))

apps/ios/Shared/SimpleXApp.swift

@@ -7,17 +7,10 @@
 
 import SwiftUI
 import OSLog
-import SimpleXChat
+import SimpleXAppShared
 
 let logger = Logger()
 
-let machMessenger = MachMessenger(APP_MACH_PORT, callback: receivedNSEMachMessage)
-
-func receivedNSEMachMessage(msgId: Int32, msg: String) -> String? {
-    logger.debug("MachMessenger: receivedNSEMachMessage \"\(msg)\" from NSE, replying")
-    return "reply from App to: \(msg)"
-}
-
 @main
 struct SimpleXApp: App {
     @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
@@ -30,11 +23,10 @@ struct SimpleXApp: App {
     @State private var enteredBackground: Double? = nil
 
     init() {
-        hs_init(0, nil)
+//        hs_init(0, nil)
         UserDefaults.standard.register(defaults: appDefaults)
         BGManager.shared.register()
         NtfManager.shared.registerCategories()
-        machMessenger.start()
     }
 
     var body: some Scene {
@@ -45,13 +37,13 @@ struct SimpleXApp: App {
                     logger.debug("ContentView.onOpenURL: \(url)")
                     chatModel.appOpenUrl = url
                 }
-                .onAppear() {
-                    initializeChat()
+                .onAppear {
+                    Task { await initializeChat() }
                 }
                 .onChange(of: scenePhase) { phase in
                     logger.debug("scenePhase \(String(describing: scenePhase))")
-                    let res = machMessenger.sendMessageWithReply(NSE_MACH_PORT, msg: "App scenePhase changed to \(String(describing: scenePhase))")
-                    logger.debug("MachMessenger \(String(describing: res), privacy: .public)")
+//                    let res = machMessenger.sendMessageWithReply(NSE_MACH_PORT, msg: "App scenePhase changed to \(String(describing: scenePhase))")
+//                    logger.debug("MachMessenger \(String(describing: res), privacy: .public)")
                     setAppState(phase)
                     switch (phase) {
                     case .background:
@@ -60,10 +52,10 @@ struct SimpleXApp: App {
                             enteredBackground = ProcessInfo.processInfo.systemUptime
                         }
                         doAuthenticate = false
-                        machMessenger.stop()
+//                        machMessenger.stop()
                     case .active:
                         doAuthenticate = authenticationExpired()
-                        machMessenger.start()
+//                        machMessenger.start()
                     default:
                         break
                     }

apps/ios/Shared/Views/Call/ActiveCallView.swift

@@ -8,7 +8,7 @@
 
 import SwiftUI
 import WebKit
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ActiveCallView: View {
     @EnvironmentObject var m: ChatModel

apps/ios/Shared/Views/Call/CallController.swift

@@ -9,7 +9,7 @@
 import Foundation
 //import CallKit
 import AVFoundation
-import SimpleXChat
+import SimpleXChatSDK
 
 //class CallController: NSObject, CXProviderDelegate, ObservableObject {
 class CallController: NSObject, ObservableObject {

apps/ios/Shared/Views/Call/CallManager.swift

@@ -7,7 +7,7 @@
 //
 
 import Foundation
-import SimpleXChat
+import SimpleXChatSDK
 
 class CallManager {
     func newOutgoingCall(_ contact: Contact, _ media: CallMediaType) -> UUID {

apps/ios/Shared/Views/Call/IncomingCallView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct IncomingCallView: View {
     @EnvironmentObject var m: ChatModel

apps/ios/Shared/Views/Call/WebRTC.swift

@@ -8,7 +8,7 @@
 
 import Foundation
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 class Call: ObservableObject, Equatable {
     static func == (lhs: Call, rhs: Call) -> Bool {

apps/ios/Shared/Views/Call/WebRTCView.swift

@@ -8,7 +8,7 @@
 
 import SwiftUI
 import WebKit
-import SimpleXChat
+import SimpleXChatSDK
 
 class WebRTCCoordinator: NSObject, WKNavigationDelegate, WKScriptMessageHandler, WKUIDelegate {
     var rtcWebView: Binding<WKWebView?>

apps/ios/Shared/Views/Chat/ChatInfoToolbar.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 private let chatImageColorLight = Color(red: 0.9, green: 0.9, blue: 0.9)
 private let chatImageColorDark = Color(red: 0.2, green: 0.2, blue: 0.2                                                     )

apps/ios/Shared/Views/Chat/ChatInfoView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatInfoView: View {
     @EnvironmentObject var chatModel: ChatModel

apps/ios/Shared/Views/Chat/ChatItem/CICallItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct CICallItemView: View {
     @EnvironmentObject var m: ChatModel

apps/ios/Shared/Views/Chat/ChatItem/CIFileView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 struct CIFileView: View {
     @Environment(\.colorScheme) var colorScheme

apps/ios/Shared/Views/Chat/ChatItem/CIImageView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 struct CIImageView: View {
     @Environment(\.colorScheme) var colorScheme

apps/ios/Shared/Views/Chat/ChatItem/CILinkView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 struct CILinkView: View {
     @Environment(\.colorScheme) var colorScheme

apps/ios/Shared/Views/Chat/ChatItem/CIMetaView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct CIMetaView: View {
     var chatItem: ChatItem

apps/ios/Shared/Views/Chat/ChatItem/DeletedItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct DeletedItemView: View {
     var chatItem: ChatItem

apps/ios/Shared/Views/Chat/ChatItem/EmojiItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct EmojiItemView: View {
     var chatItem: ChatItem

apps/ios/Shared/Views/Chat/ChatItem/FramedItemView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 let sentColorLight = Color(.sRGB, red: 0.27, green: 0.72, blue: 1, opacity: 0.12)
 let sentColorDark = Color(.sRGB, red: 0.27, green: 0.72, blue: 1, opacity: 0.17)

apps/ios/Shared/Views/Chat/ChatItem/IntegrityErrorItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct IntegrityErrorItemView: View {
     var chatItem: ChatItem

apps/ios/Shared/Views/Chat/ChatItem/MsgContentView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 private let uiLinkColor = UIColor(red: 0, green: 0.533, blue: 1, alpha: 1)
 private let linkColor = Color(uiColor: uiLinkColor)

apps/ios/Shared/Views/Chat/ChatItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatItemView: View {
     var chatInfo: ChatInfo

apps/ios/Shared/Views/Chat/ChatView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 private let memberImageSize: CGFloat = 34
 

apps/ios/Shared/Views/Chat/ComposeMessage/ComposeImageView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXAppShared
 
 struct ComposeImageView: View {
     @Environment(\.colorScheme) var colorScheme

apps/ios/Shared/Views/Chat/ComposeMessage/ComposeLinkView.swift

@@ -8,7 +8,8 @@
 
 import SwiftUI
 import LinkPresentation
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 func getLinkPreview(url: URL, cb: @escaping (LinkPreview?) -> Void) {
     logger.debug("getLinkMetadata: fetching URL preview")

apps/ios/Shared/Views/Chat/ComposeMessage/ComposeView.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 enum ComposePreview {
     case noPreview
@@ -164,7 +165,7 @@ struct ComposeView: View {
         .onChange(of: composeState.message) { _ in
             if composeState.linkPreviewAllowed() {
                 if composeState.message.count > 0 {
-                    showLinkPreview(composeState.message)
+                    Task { await showLinkPreview(composeState.message) }
                 } else {
                     resetLinkPreview()
                 }
@@ -306,7 +307,7 @@ struct ComposeView: View {
                     case .noPreview:
                         mc = .text(composeState.message)
                     case .linkPreview:
-                        mc = checkLinkPreview()
+                        mc = await checkLinkPreview()
                     case let .imagePreview(imagePreview: image):
                         if let uiImage = chosenImage,
                            let savedFile = saveImage(uiImage) {
@@ -357,12 +358,12 @@ struct ComposeView: View {
         chosenFile = nil
     }
 
-    private func updateMsgContent(_ msgContent: MsgContent) -> MsgContent {
+    private func updateMsgContent(_ msgContent: MsgContent) async -> MsgContent {
         switch msgContent {
         case .text:
-            return checkLinkPreview()
+            return await checkLinkPreview()
         case .link:
-            return checkLinkPreview()
+            return await checkLinkPreview()
         case .image(_, let image):
             return .image(text: composeState.message, image: image)
         case .file:
@@ -372,9 +373,9 @@ struct ComposeView: View {
         }
     }
 
-    private func showLinkPreview(_ s: String) {
+    private func showLinkPreview(_ s: String) async {
         prevLinkUrl = linkUrl
-        linkUrl = parseMessage(s)
+        linkUrl = await parseMessage(s)
         if let url = linkUrl {
             if url != composeState.linkPreview()?.uri && url != pendingLinkUrl {
                 pendingLinkUrl = url
@@ -391,9 +392,9 @@ struct ComposeView: View {
         }
     }
 
-    private func parseMessage(_ msg: String) -> URL? {
+    private func parseMessage(_ msg: String) async -> URL? {
         do {
-            let parsedMsg = try apiParseMarkdown(text: msg)
+            let parsedMsg = try await apiParseMarkdown(text: msg)
             let uri = parsedMsg?.first(where: { ft in
                 ft.format == .uri && !cancelledLinks.contains(ft.text) && !isSimplexLink(ft.text)
             })
@@ -437,10 +438,10 @@ struct ComposeView: View {
         cancelledLinks = []
     }
 
-    private func checkLinkPreview() -> MsgContent {
+    private func checkLinkPreview() async -> MsgContent {
         switch (composeState.preview) {
         case let .linkPreview(linkPreview: linkPreview):
-            if let url = parseMessage(composeState.message),
+            if let url = await parseMessage(composeState.message),
                let linkPreview = linkPreview,
                url == linkPreview.uri {
                 return .link(text: composeState.message, preview: linkPreview)

apps/ios/Shared/Views/Chat/ComposeMessage/ContextItemView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ContextItemView: View {
     @Environment(\.colorScheme) var colorScheme

apps/ios/Shared/Views/Chat/ComposeMessage/SendMessageView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct SendMessageView: View {
     @Binding var composeState: ComposeState

apps/ios/Shared/Views/ChatList/ChatListNavLink.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatListNavLink: View {
     @EnvironmentObject var chatModel: ChatModel
@@ -31,13 +31,17 @@ struct ChatListNavLink: View {
     private func chatView() -> some View {
         ChatView(chat: chat, showChatInfo: $showChatInfo)
         .onAppear {
-            do {
-                let cInfo = chat.chatInfo
-                let chat = try apiGetChat(type: cInfo.chatType, id: cInfo.apiId)
-                chatModel.updateChatInfo(chat.chatInfo)
-                chatModel.chatItems = chat.chatItems
-            } catch {
-                logger.error("ChatListNavLink.chatView apiGetChatItems error: \(error.localizedDescription)")
+            Task {
+                do {
+                    let cInfo = chat.chatInfo
+                    let chat = try await apiGetChat(type: cInfo.chatType, id: cInfo.apiId)
+                    DispatchQueue.main.async {
+                        chatModel.updateChatInfo(chat.chatInfo)
+                        chatModel.chatItems = chat.chatItems
+                    }
+                } catch {
+                    logger.error("ChatListNavLink.chatView apiGetChatItems error: \(String(describing: error))")
+                }
             }
         }
     }

apps/ios/Shared/Views/ChatList/ChatListView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatListView: View {
     @EnvironmentObject var chatModel: ChatModel

apps/ios/Shared/Views/ChatList/ChatPreviewView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatPreviewView: View {
     @ObservedObject var chat: Chat

apps/ios/Shared/Views/ChatList/ContactConnectionView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ContactConnectionView: View {
     var contactConnection: PendingContactConnection

apps/ios/Shared/Views/ChatList/ContactRequestView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ContactRequestView: View {
     var contactRequest: UserContactRequest

apps/ios/Shared/Views/Helpers/ChatInfoImage.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct ChatInfoImage: View {
     @ObservedObject var chat: Chat

apps/ios/Shared/Views/Helpers/ProfileImage.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXAppShared
 
 struct ProfileImage: View {
     var imageStr: String? = nil

apps/ios/Shared/Views/NewChat/NewChatButton.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 enum NewChatAction: Identifiable {
     case createLink
@@ -27,7 +27,7 @@ struct NewChatButton: View {
             Image(systemName: "person.crop.circle.badge.plus")
         }
         .confirmationDialog("Add contact to start a new chat", isPresented: $showAddChat, titleVisibility: .visible) {
-            Button("Create link / QR code") { addContactAction() }
+            Button("Create link / QR code") { Task { await addContactAction() } }
             Button("Paste received link") { actionSheet = .pasteLink }
             Button("Scan QR code") { actionSheet = .scanQRCode }
         }
@@ -40,9 +40,9 @@ struct NewChatButton: View {
         }
     }
 
-    func addContactAction() {
+    func addContactAction() async {
         do {
-            connReq = try apiAddContact()
+            connReq = try await apiAddContact()
             actionSheet = .createLink
         } catch {
             DispatchQueue.global().async {

apps/ios/Shared/Views/Onboarding/CreateProfile.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct CreateProfile: View {
     @EnvironmentObject var m: ChatModel
@@ -43,7 +43,7 @@ struct CreateProfile: View {
                 .focused($focusFullName)
                 .submitLabel(.go)
                 .onSubmit {
-                    if canCreateProfile() { createProfile() }
+                    if canCreateProfile() { Task { await createProfile() } }
                     else { focusFullName = true }
                 }
 
@@ -64,7 +64,7 @@ struct CreateProfile: View {
 
                 HStack {
                     Button {
-                        createProfile()
+                        Task { await createProfile() }
                     } label: {
                         Text("Create")
                         Image(systemName: "greaterthan")
@@ -87,17 +87,19 @@ struct CreateProfile: View {
             .padding(.bottom)
     }
 
-    func createProfile() {
+    func createProfile() async {
         hideKeyboard()
         let profile = Profile(
             displayName: displayName,
             fullName: fullName
         )
         do {
-            m.currentUser = try apiCreateActiveUser(profile)
-            startChat()
-            withAnimation { m.onboardingStage = .step3_MakeConnection }
-
+            let user = try await apiCreateActiveUser(profile)
+            await MainActor.run { m.currentUser = user }
+            await startChat()
+            DispatchQueue.main.async {
+                withAnimation { m.onboardingStage = .step3_MakeConnection }
+            }
         } catch {
             fatalError("Failed to create user: \(error)")
         }

apps/ios/Shared/Views/Onboarding/MakeConnection.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 struct MakeConnection: View {
     @EnvironmentObject var m: ChatModel
@@ -38,7 +38,7 @@ struct MakeConnection: View {
                         icon: "link.badge.plus",
                         title: "Create 1-time link / QR code",
                         text: "It's secure to share - only one contact can use it."
-                    ) { addContactAction() }
+                    ) { Task { await addContactAction() } }
 
                     actionRow(
                         icon: "doc.plaintext",
@@ -102,9 +102,9 @@ struct MakeConnection: View {
         }
     }
 
-    private func addContactAction() {
+    private func addContactAction() async {
         do {
-            connReq = try apiAddContact()
+            connReq = try await apiAddContact()
             actionSheet = .createLink
         } catch {
             DispatchQueue.global().async {

apps/ios/Shared/Views/TerminalView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 private let terminalFont = Font.custom("Menlo", size: 16)
 

apps/ios/Shared/Views/UserSettings/SMPServers.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 private let serversFont = Font.custom("Menlo", size: 14)
 

apps/ios/Shared/Views/UserSettings/SettingsView.swift

@@ -7,7 +7,7 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
 
 let simplexTeamURL = URL(string: "simplex:/contact#/?v=1&smp=smp%3A%2F%2FPQUV2eL0t7OStZOoAsPEV2QYWt4-xilbakvGUGOItUo%3D%40smp6.simplex.im%2FK1rslx-m5bpXVIdMZg9NLUZ_8JBm8xTt%23MCowBQYDK2VuAyEALDeVe-sG8mRY22LsXlPgiwTNs9dbiLrNuA7f3ZMAJ2w%3D")!
 

apps/ios/Shared/Views/UserSettings/UserProfile.swift

@@ -7,7 +7,8 @@
 //
 
 import SwiftUI
-import SimpleXChat
+import SimpleXChatSDK
+import SimpleXAppShared
 
 struct UserProfile: View {
     @EnvironmentObject var chatModel: ChatModel

apps/ios/SimpleX NSE/NotificationService.swift

@@ -8,7 +8,12 @@
 
 import UserNotifications
 import OSLog
-import SimpleXChat
+import FileProvider
+import SimpleXChatSDK
+import SimpleXAppShared
+import SimpleXServiceProtocol
+
+import Foundation
 
 let logger = Logger()
 
@@ -31,20 +36,22 @@ class NotificationService: UNNotificationServiceExtension {
         logger.debug("NotificationService: app is in the background")
         self.contentHandler = contentHandler
         bestAttemptContent = (request.content.mutableCopy() as? UNMutableNotificationContent)
-        if let _ = startChat() {
-            let content = receiveMessages()
-            contentHandler (content)
-            machMessenger.stop()
-            return
-        }
+        Task {
+            if let _ = await startChat() {
+                let content = await receiveMessages()
+                contentHandler (content)
+                machMessenger.stop()
+                return
+            }
 
-        if let bestAttemptContent = bestAttemptContent {
-            // Modify the notification content here...
-            bestAttemptContent.title = "\(bestAttemptContent.title) [modified]"
-            
-            contentHandler(bestAttemptContent)
+            if let bestAttemptContent = bestAttemptContent {
+                // Modify the notification content here...
+                bestAttemptContent.title = "\(bestAttemptContent.title) [modified]"
+
+                contentHandler(bestAttemptContent)
+            }
+            machMessenger.stop()
         }
-        machMessenger.stop()
     }
     
     override func serviceExtensionTimeWillExpire() {
@@ -62,13 +69,13 @@ func receivedAppMachMessage(msgId: Int32, msg: String) -> String? {
     return "reply from NSE to: \(msg)"
 }
 
-func startChat() -> User? {
-    hs_init(0, nil)
-    if let user = apiGetActiveUser() {
+func startChat() async -> User? {
+//    hs_init(0, nil)
+    if let user = await apiGetActiveUser() {
         logger.debug("active user \(String(describing: user))")
         do {
-            try apiStartChat()
-            try apiSetFilesFolder(filesFolder: getAppFilesDirectory().path)
+            try await apiStartChat()
+            try await apiSetFilesFolder(filesFolder: getAppFilesDirectory().path)
             return user
         } catch {
             logger.error("NotificationService startChat error: \(responseError(error), privacy: .public)")
@@ -79,10 +86,11 @@ func startChat() -> User? {
     return nil
 }
 
-func receiveMessages() -> UNNotificationContent {
+func receiveMessages() async -> UNNotificationContent {
     logger.debug("NotificationService receiveMessages started")
     while true {
-        let res = chatResponse(chat_recv_msg(getChatCtrl())!)
+//        let res = chatResponse(chat_recv_msg(getChatCtrl())!)
+        let res = await recvSimpleXMsg()
         logger.debug("NotificationService receiveMessages: \(res.responseType)")
         switch res {
 //        case let .newContactConnection(connection):
@@ -117,9 +125,9 @@ func receiveMessages() -> UNNotificationContent {
     }
 }
 
-func apiGetActiveUser() -> User? {
-    let _ = getChatCtrl()
-    let r = sendSimpleXCmd(.showActiveUser)
+func apiGetActiveUser() async -> User? {
+//    let _ = getChatCtrl()
+    let r = await sendSimpleXCmd(.showActiveUser)
     logger.debug("apiGetActiveUser sendSimpleXCmd responce: \(String(describing: r))")
     switch r {
     case let .activeUser(user): return user
@@ -130,8 +138,8 @@ func apiGetActiveUser() -> User? {
     }
 }
 
-func apiStartChat() throws {
-    let r = sendSimpleXCmd(.startChat)
+func apiStartChat() async throws {
+    let r = await sendSimpleXCmd(.startChat)
     switch r {
     case .chatStarted: return
     case .chatRunning: return
@@ -139,9 +147,8 @@ func apiStartChat() throws {
     }
 }
 
-func apiSetFilesFolder(filesFolder: String) throws {
-    let r = sendSimpleXCmd(.setFilesFolder(filesFolder: filesFolder))
+func apiSetFilesFolder(filesFolder: String) async throws {
+    let r = await sendSimpleXCmd(.setFilesFolder(filesFolder: filesFolder))
     if case .cmdOk = r { return }
     throw r
 }
-

apps/ios/SimpleX Service/FileProviderEnumerator.swift

@@ -0,0 +1,58 @@
+//
+//  FileProviderEnumerator.swift
+//  SimpleX Service
+//
+//  Created by Evgeny on 01/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import FileProvider
+import SimpleXServiceProtocol
+
+class FileProviderEnumerator: NSObject, NSFileProviderEnumerator {
+    
+    var enumeratedItemIdentifier: NSFileProviderItemIdentifier
+    
+    init(enumeratedItemIdentifier: NSFileProviderItemIdentifier) {
+        logger.debug("FileProviderExtension FileProviderEnumerator.init")
+        self.enumeratedItemIdentifier = enumeratedItemIdentifier
+        super.init()
+    }
+
+    func identifierForItemAtURL(_ url: URL, completionHandler: @escaping (NSFileProviderItemIdentifier) -> Void) {
+//        logger.debug("FileProviderExtension.identifierForItemAtURL")
+        completionHandler(SERVICE_PROXY_ITEM_ID)
+    }
+
+    func invalidate() {
+        // TODO: perform invalidation of server connection if necessary
+    }
+
+    func enumerateItems(for observer: NSFileProviderEnumerationObserver, startingAt page: NSFileProviderPage) {
+        /* TODO:
+         - inspect the page to determine whether this is an initial or a follow-up request
+         
+         If this is an enumerator for a directory, the root container or all directories:
+         - perform a server request to fetch directory contents
+         If this is an enumerator for the active set:
+         - perform a server request to update your local database
+         - fetch the active set from your local database
+         
+         - inform the observer about the items returned by the server (possibly multiple times)
+         - inform the observer that you are finished with this page
+         */
+    }
+    
+    func enumerateChanges(for observer: NSFileProviderChangeObserver, from anchor: NSFileProviderSyncAnchor) {
+        /* TODO:
+         - query the server for updates since the passed-in sync anchor
+         
+         If this is an enumerator for the active set:
+         - note the changes in your local database
+         
+         - inform the observer about item deletions and updates (modifications + insertions)
+         - inform the observer when you have finished enumerating up to a subsequent sync anchor
+         */
+    }
+
+}

apps/ios/SimpleX Service/FileProviderExtension.swift

@@ -0,0 +1,237 @@
+//
+//  FileProviderExtension.swift
+//  SimpleX Service
+//
+//  Created by Evgeny on 01/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import FileProvider
+import OSLog
+import SimpleXChat
+import SimpleXServiceProtocol
+
+let logger = Logger()
+//let serviceListener = NSXPCListener.anonymous()
+//let listenerDelegate = SimpleXFPServiceDelegate()
+//var machMessenger = MachMessenger(FPS_MACH_PORT, callback: receivedAppMachMessage)
+
+func receivedAppMachMessage(_ msgId: Int32, msg: String) -> String? {
+    logger.debug("MachMessenger: FileProviderExtension receivedAppMachMessage \"\(msg)\" from App, replying")
+    return "reply from FPS to: \(msg)"
+}
+
+class FileProviderExtension: NSFileProviderExtension {
+    var fileManager = FileManager()
+
+    override init() {
+        logger.debug("FileProviderExtension.init")
+        super.init()
+//        machMessenger.start()
+//        serviceListener.delegate = listenerDelegate
+//        Task { serviceListener.resume() }
+
+//        do {
+//            logger.debug("FileProviderExtension.endPointData...")
+//            let data = NSMutableData()
+//            let coder = NSXPCCoder()
+//            coder.encodeRootObject(serviceListener.endpoint) //  serviceListener.endpoint.encode(with: <#T##NSCoder#>)
+//            let endPointData = try NSKeyedArchiver.archivedData(withRootObject: serviceListener.endpoint, requiringSecureCoding: true)
+//            logger.debug("FileProviderExtension.endPointData ok")
+//            let err = machMessenger.sendMessage(APP_MACH_PORT, data: endPointData)
+//            logger.debug("FileProviderExtension.MachMessenger.sendMessage with endpoint res \(String(describing: err), privacy: .public)")
+//            let res = machMessenger.sendMessageWithReply(APP_MACH_PORT, msg: "machMessenger in FileProviderExtension")
+//            logger.debug("FileProviderExtension MachMessenger app reply \(String(describing: res), privacy: .public)")
+//        } catch let err {
+//            logger.debug("FileProviderExtension.MachMessenger.sendMessage error \(String(describing: err), privacy: .public)")
+//        }
+
+
+        let manager = NSFileProviderManager.default
+        logger.debug("FileProviderExtension.init NSFileProviderManager \(manager.documentStorageURL, privacy: .public)")
+
+//        FileManager.default.createFile(atPath: "\(manager.documentStorageURL)123", contents: "hello".data(using: .utf8))
+
+        self.providePlaceholder(at: SERVICE_PROXY_ITEM_URL) { err in
+            if let err = err {
+                logger.debug("FileProviderExtension.providePlaceholder error \(String(describing: err), privacy: .public)")
+            } else {
+                logger.debug("FileProviderExtension.providePlaceholder ok") // <-- this returns ok
+//                self.startProvidingItem(at: URL(string: "\(manager.documentStorageURL)123")!) { err in
+//                    if let err = err {
+//                        logger.debug("FileProviderExtension.startProvidingItem error \(String(describing: err), privacy: .public)")
+//                    } else {
+//                        logger.debug("FileProviderExtension.startProvidingItem ok")
+//                    }
+//                }
+            }
+        }
+
+//        Task { serviceListener.resume() }
+    }
+    
+    override func item(for identifier: NSFileProviderItemIdentifier) throws -> NSFileProviderItem {
+        logger.debug("FileProviderExtension.item")
+        // resolve the given identifier to a record in the model
+        
+        // TODO: implement the actual lookup
+        return FileProviderItem()
+    }
+    
+    override func urlForItem(withPersistentIdentifier identifier: NSFileProviderItemIdentifier) -> URL? {
+        logger.debug("FileProviderExtension.urlForItem")
+        // resolve the given identifier to a file on disk
+        guard let item = try? item(for: identifier) else {
+            return nil
+        }
+        
+        // in this implementation, all paths are structured as <base storage directory>/<item identifier>/<item file name>
+        let manager = NSFileProviderManager.default
+        let perItemDirectory = manager.documentStorageURL.appendingPathComponent(identifier.rawValue, isDirectory: true)
+
+        logger.debug("FileProviderExtension.urlForItem NSFileProviderManager \(manager.documentStorageURL, privacy: .public)")
+
+        return perItemDirectory.appendingPathComponent(item.filename, isDirectory:false)
+    }
+
+    func identifierForItemAtURL(_ url: URL, completionHandler: @escaping (NSFileProviderItemIdentifier?) -> Void) {
+        completionHandler(SERVICE_PROXY_ITEM_ID)
+    }
+
+    override func persistentIdentifierForItem(at url: URL) -> NSFileProviderItemIdentifier? {
+        logger.debug("FileProviderExtension.persistentIdentifierForItem")
+//        if url == SERVICE_PROXY_ITEM_URL { return SERVICE_PROXY_ITEM_ID }
+        return SERVICE_PROXY_ITEM_ID
+
+        // resolve the given URL to a persistent identifier using a database
+        let pathComponents = url.pathComponents
+        
+        // exploit the fact that the path structure has been defined as
+        // <base storage directory>/<item identifier>/<item file name> above
+        assert(pathComponents.count > 2)
+        
+        return NSFileProviderItemIdentifier(pathComponents[pathComponents.count - 2])
+    }
+    
+    override func providePlaceholder(at url: URL, completionHandler: @escaping (Error?) -> Void) {
+        logger.debug("FileProviderExtension.providePlaceholder")
+        guard let identifier = persistentIdentifierForItem(at: url) else {
+            completionHandler(NSFileProviderError(.noSuchItem))
+            return
+        }
+
+        do {
+            let fileProviderItem = try item(for: identifier)
+            let placeholderURL = NSFileProviderManager.placeholderURL(for: url)
+            try NSFileProviderManager.writePlaceholder(at: placeholderURL, withMetadata: fileProviderItem)
+            completionHandler(nil)
+        } catch let error {
+            completionHandler(error)
+        }
+    }
+
+    override func startProvidingItem(at url: URL, completionHandler: @escaping ((_ error: Error?) -> Void)) {
+        logger.debug("FileProviderExtension.startProvidingItem")
+        completionHandler(nil)
+//        if url == SERVICE_PROXY_ITEM_URL {
+//            completionHandler(nil)
+//            return
+//        }
+
+        // Should ensure that the actual file is in the position returned by URLForItemWithIdentifier:, then call the completion handler
+        
+        /* TODO:
+         This is one of the main entry points of the file provider. We need to check whether the file already exists on disk,
+         whether we know of a more recent version of the file, and implement a policy for these cases. Pseudocode:
+         
+         if !fileOnDisk {
+             downloadRemoteFile()
+             callCompletion(downloadErrorOrNil)
+         } else if fileIsCurrent {
+             callCompletion(nil)
+         } else {
+             if localFileHasChanges {
+                 // in this case, a version of the file is on disk, but we know of a more recent version
+                 // we need to implement a strategy to resolve this conflict
+                 moveLocalFileAside()
+                 scheduleUploadOfLocalFile()
+                 downloadRemoteFile()
+                 callCompletion(downloadErrorOrNil)
+             } else {
+                 downloadRemoteFile()
+                 callCompletion(downloadErrorOrNil)
+             }
+         }
+         */
+        
+        completionHandler(NSError(domain: NSCocoaErrorDomain, code: NSFeatureUnsupportedError, userInfo:[:]))
+    }
+    
+    
+    override func itemChanged(at url: URL) {
+        logger.debug("FileProviderExtension.itemChanged")
+        // Called at some point after the file has changed; the provider may then trigger an upload
+        
+        /* TODO:
+         - mark file at <url> as needing an update in the model
+         - if there are existing NSURLSessionTasks uploading this file, cancel them
+         - create a fresh background NSURLSessionTask and schedule it to upload the current modifications
+         - register the NSURLSessionTask with NSFileProviderManager to provide progress updates
+         */
+    }
+    
+    override func stopProvidingItem(at url: URL) {
+        logger.debug("FileProviderExtension.stopProvidingItem")
+        // Called after the last claim to the file has been released. At this point, it is safe for the file provider to remove the content file.
+        // Care should be taken that the corresponding placeholder file stays behind after the content file has been deleted.
+        
+        // Called after the last claim to the file has been released. At this point, it is safe for the file provider to remove the content file.
+        
+        // TODO: look up whether the file has local changes
+        let fileHasLocalChanges = false
+        
+        if !fileHasLocalChanges {
+            // remove the existing file to free up space
+            do {
+                _ = try FileManager.default.removeItem(at: url)
+            } catch {
+                // Handle error
+            }
+            
+            // write out a placeholder to facilitate future property lookups
+            self.providePlaceholder(at: url, completionHandler: { error in
+                // TODO: handle any error, do any necessary cleanup
+            })
+        }
+    }
+    
+    // MARK: - Actions
+    
+    /* TODO: implement the actions for items here
+     each of the actions follows the same pattern:
+     - make a note of the change in the local model
+     - schedule a server request as a background task to inform the server of the change
+     - call the completion block with the modified item in its post-modification state
+     */
+    
+    // MARK: - Enumeration
+    
+    override func enumerator(for containerItemIdentifier: NSFileProviderItemIdentifier) throws -> NSFileProviderEnumerator {
+        logger.debug("FileProviderExtension.enumerator")
+
+        let maybeEnumerator: NSFileProviderEnumerator? = nil
+        if (containerItemIdentifier == NSFileProviderItemIdentifier.rootContainer) {
+            // TODO: instantiate an enumerator for the container root
+        } else if (containerItemIdentifier == NSFileProviderItemIdentifier.workingSet) {
+            // TODO: instantiate an enumerator for the working set
+        } else {
+            // TODO: determine if the item is a directory or a file
+            // - for a directory, instantiate an enumerator of its subitems
+            // - for a file, instantiate an enumerator that observes changes to the file
+        }
+        guard let enumerator = maybeEnumerator else {
+            throw NSError(domain: NSCocoaErrorDomain, code: NSFeatureUnsupportedError, userInfo:[:])
+        }
+        return enumerator
+    }
+}

apps/ios/SimpleX Service/FileProviderItem.swift

@@ -0,0 +1,33 @@
+//
+//  FileProviderItem.swift
+//  SimpleX Service
+//
+//  Created by Evgeny on 01/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import FileProvider
+import UniformTypeIdentifiers
+import SimpleXServiceProtocol
+
+class FileProviderItem: NSObject, NSFileProviderItem {
+
+    // TODO: implement an initializer to create an item from your extension's backing model
+    // TODO: implement the accessors to return the values from your extension's backing model
+    
+    var itemIdentifier: NSFileProviderItemIdentifier { SERVICE_PROXY_ITEM_ID }
+    
+    var parentItemIdentifier: NSFileProviderItemIdentifier { NSFileProviderItemIdentifier("1") }
+    
+    var capabilities: NSFileProviderItemCapabilities {
+        [.allowsReading, .allowsWriting, .allowsRenaming, .allowsReparenting, .allowsTrashing, .allowsDeleting]
+    }
+    
+    var filename: String { SERVICE_PROXY_ITEM_NAME }
+    
+    var contentType: UTType {
+        itemIdentifier == NSFileProviderItemIdentifier.rootContainer ? .folder : .plainText
+    }
+
+    var documentSize: NSNumber? { 1 }
+}

apps/ios/SimpleX Service/FileProviderService.swift

@@ -0,0 +1,72 @@
+//
+//  SimpleXFPService.swift
+//  SimpleX Service
+//
+//  Created by Evgeny on 01/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import Foundation
+import FileProvider
+import SimpleXChat
+import SimpleXServiceProtocol
+
+extension FileProviderExtension {
+    class FileProviderService: NSObject, NSFileProviderServiceSource, SimpleXServiceProtocol, NSXPCListenerDelegate {
+        var serviceName: NSFileProviderServiceName { SIMPLEX_SERVICE_NAME }
+
+        func makeListenerEndpoint() throws -> NSXPCListenerEndpoint {
+            logger.debug("FileProviderService.makeListenerEndpoint")
+            let listener = NSXPCListener.anonymous()
+            listener.delegate = self
+            synchronized(self) {
+                listeners.add(listener)
+            }
+            listener.resume()
+            return listener.endpoint
+        }
+
+        func listener(_ listener: NSXPCListener, shouldAcceptNewConnection newConnection: NSXPCConnection) -> Bool {
+            logger.debug("FileProviderService.listener")
+            newConnection.exportedInterface = simpleXServiceInterface
+            newConnection.exportedObject = self
+
+            synchronized(self) {
+                listeners.remove(listener)
+            }
+
+            newConnection.resume()
+            return true
+        }
+
+        weak var ext: FileProviderExtension?
+        let listeners = NSHashTable<NSXPCListener>()
+
+        init(_ ext: FileProviderExtension) {
+            self.ext = ext
+            hs_init(0, nil)
+        }
+
+        func chatSendCmd(_ cmd: String) async -> String {
+            logger.debug("chatSendCmd cmd: \(cmd, privacy: .public)")
+            let r = SimpleXChat.chatSendCmd(cmd)
+            logger.debug("chatSendCmd resp: \(r, privacy: .public)")
+            return r
+        }
+
+        func chatRecvMsg() async -> String {
+            SimpleXChat.chatRecvMsg()
+        }
+    }
+
+    override func supportedServiceSources(for itemIdentifier: NSFileProviderItemIdentifier) throws -> [NSFileProviderServiceSource] {
+        logger.debug("FileProviderExtension.supportedServiceSources")
+        return [FileProviderService(self)]
+    }
+}
+
+private func synchronized<T>(_ lock: AnyObject, _ closure: () throws -> T) rethrows -> T {
+  objc_sync_enter(lock)
+  defer { objc_sync_exit(lock) }
+  return try closure()
+}

apps/ios/SimpleX Service/Info.plist

@@ -0,0 +1,17 @@
+<?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>NSExtension</key>
+	<dict>
+		<key>NSExtensionFileProviderDocumentGroup</key>
+		<string>group.chat.simplex.app</string>
+		<key>NSExtensionFileProviderSupportsEnumeration</key>
+		<false/>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.fileprovider-nonui</string>
+		<key>NSExtensionPrincipalClass</key>
+		<string>$(PRODUCT_MODULE_NAME).FileProviderExtension</string>
+	</dict>
+</dict>
+</plist>

apps/ios/SimpleX Service/SimpleX_Service.entitlements

@@ -0,0 +1,10 @@
+<?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>com.apple.security.application-groups</key>
+    <array>
+        <string>group.chat.simplex.app</string>
+    </array>
+</dict>
+</plist>

apps/ios/SimpleX--iOS--Info.plist

@@ -28,5 +28,9 @@
 		<string>remote-notification</string>
 		<string>voip</string>
 	</array>
+	<key>UIFileSharingEnabled</key>
+	<string>YES</string>
+	<key>LSSupportsOpeningDocumentsInPlace</key>
+	<string>YES</string>
 </dict>
 </plist>

apps/ios/SimpleXAppShared/AppGroup.swift

@@ -17,6 +17,8 @@ public let NSE_MACH_PORT = "\(APP_GROUP_NAME).nse" as CFString
 
 public let APP_MACH_PORT = "\(APP_GROUP_NAME).app" as CFString
 
+public let FPS_MACH_PORT = "\(APP_GROUP_NAME).fps" as CFString
+
 func getGroupDefaults() -> UserDefaults? {
     UserDefaults(suiteName: APP_GROUP_NAME)
 }
@@ -55,6 +57,7 @@ public class MachMessenger {
         case sndTimeout
         case rcvTimeout
         case portInvalid
+        case portBecameInvalid
         case sendError(Int32)
         case msgError
     }
@@ -75,7 +78,7 @@ public class MachMessenger {
         case kCFMessagePortSendTimeout:  return .sndTimeout
         case kCFMessagePortReceiveTimeout: return .rcvTimeout
         case kCFMessagePortIsInvalid: return .portInvalid
-        case kCFMessagePortBecameInvalidError: return .portInvalid
+        case kCFMessagePortBecameInvalidError: return .portBecameInvalid
         default: return .sendError(code)
         }
     }
@@ -104,6 +107,17 @@ public class MachMessenger {
         }
     }
 
+    public func sendMessage(_ remotePortName: CFString, msgId: Int32 = 0, data: Data) -> SendError? {
+        logger.debug("MachMessenger.sendMessage")
+        if let port = createRemotePort(remotePortName) {
+            logger.debug("MachMessenger.sendMessage: sending...")
+            return sendMessage(port, msgId: msgId, data: data)
+        } else {
+            logger.debug("MachMessenger.sendMessage: no remote port")
+            return .portInvalid
+        }
+    }
+
     public func sendMessageWithReply(_ remotePortName: CFString, msgId: Int32 = 0, msg: String) -> Result<String?, SendError> {
         logger.debug("MachMessenger.sendMessageWithReply")
         if let port = createRemotePort(remotePortName) {
@@ -149,14 +163,17 @@ public class MachMessenger {
     private func sendMessage(_ remotePort: CFMessagePort, msgId: Int32 = 0, msg: String) -> SendError? {
         if let data = msg.data(using: .utf8) {
             logger.debug("MachMessenger sendMessage")
-            let msgData = data as CFData
-            let code = CFMessagePortSendRequest(remotePort, msgId, msgData, MACH_SEND_TIMEOUT, 0, nil, nil)
-            logger.debug("MachMessenger sendMessage \(code)")
-            return MachMessenger.sendError(code)
+            return sendMessage(remotePort, msgId: msgId, data: data)
         }
         return .msgError
     }
 
+    private func sendMessage(_ remotePort: CFMessagePort, msgId: Int32 = 0, data: Data) -> SendError? {
+        let code = CFMessagePortSendRequest(remotePort, msgId, data as CFData, MACH_SEND_TIMEOUT, 0, nil, nil)
+        logger.debug("MachMessenger sendMessage \(code)")
+        return MachMessenger.sendError(code)
+    }
+
     private func sendMessageWithReply(_ remotePort: CFMessagePort, msgId: Int32 = 0, msg: String) -> Result<String?, SendError> {
         if let data = msg.data(using: .utf8) {
             let msgData = data as CFData

apps/ios/SimpleXAppShared/FileUtils.swift

@@ -9,6 +9,7 @@
 import Foundation
 import SwiftUI
 import OSLog
+import SimpleXChatSDK
 
 let logger = Logger()
 
@@ -17,7 +18,7 @@ public let maxImageSize: Int64 = 236700
 
 public let maxFileSize: Int64 = 8000000
 
-func getDocumentsDirectory() -> URL {
+public func getDocumentsDirectory() -> URL {
 //    FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
     FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: APP_GROUP_NAME)!
 }

apps/ios/SimpleXAppShared/Notifications.swift

@@ -9,6 +9,7 @@
 import Foundation
 import UserNotifications
 import SwiftUI
+import SimpleXChatSDK
 
 public let ntfCategoryContactRequest = "NTF_CAT_CONTACT_REQUEST"
 public let ntfCategoryContactConnected = "NTF_CAT_CONTACT_CONNECTED"

apps/ios/SimpleXAppShared/ServiceAPI.swift

@@ -0,0 +1,62 @@
+//
+//  ServiceAPI.swift
+//  SimpleXAppShared
+//
+//  Created by Evgeny on 09/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import Foundation
+import SimpleXServiceProtocol
+import SimpleXChatSDK
+
+private var serviceProxy: SimpleXServiceProtocol?
+
+public func sendSimpleXCmd(_ cmd: ChatCommand) async -> ChatResponse {
+    let proxy = await getServiceProxy()
+    let resp = await proxy.chatSendCmd(cmd.cmdString)
+    return chatResponse(resp)
+}
+
+public func recvSimpleXMsg() async -> ChatResponse {
+    let proxy = await getServiceProxy()
+    let msg = await proxy.chatRecvMsg()
+    return chatResponse(msg)
+}
+
+public func getServiceProxy() async -> SimpleXServiceProtocol {
+    if let proxy = serviceProxy { return proxy }
+    var err: Error?
+    for i in 1...20 {
+        do {
+            let proxy = try await _getServiceProxy()
+            serviceProxy = proxy
+            logger.debug("getServiceProxy \(i): success")
+            return proxy
+        } catch let error {
+            err = error
+            logger.debug("getServiceProxy \(i): \(String(describing: error), privacy: .public)")
+            try! await Task.sleep(nanoseconds: 250_000)
+        }
+    }
+    fatalError("getServiceProxy: error \(String(describing: err))")
+}
+
+private func _getServiceProxy() async throws -> SimpleXServiceProtocol {
+    let services = try await FileManager.default.fileProviderServicesForItem(at: SERVICE_PROXY_ITEM_URL)
+    guard let service = services[SIMPLEX_SERVICE_NAME] else { throw ServiceError.noService }
+    let connection = try await service.fileProviderConnection()
+    connection.remoteObjectInterface = simpleXServiceInterface
+    connection.resume()
+    var err: ServiceError?
+    let rawProxy = connection.remoteObjectProxyWithErrorHandler { error in err = .noProxy(error) }
+    if let err = err { throw ServiceError.noProxy(err) }
+    guard let proxy = rawProxy as? SimpleXServiceProtocol else { throw ServiceError.badProxy }
+    return proxy
+}
+
+enum ServiceError: Error {
+    case noService
+    case noProxy(Error)
+    case badProxy
+}

apps/ios/SimpleXAppShared/SimpleXAppShared.docc/SimpleXAppShared.md

@@ -0,0 +1,13 @@
+# ``SimpleXAppShared``
+
+<!--@START_MENU_TOKEN@-->Summary<!--@END_MENU_TOKEN@-->
+
+## Overview
+
+<!--@START_MENU_TOKEN@-->Text<!--@END_MENU_TOKEN@-->
+
+## Topics
+
+### <!--@START_MENU_TOKEN@-->Group<!--@END_MENU_TOKEN@-->
+
+- <!--@START_MENU_TOKEN@-->``Symbol``<!--@END_MENU_TOKEN@-->

apps/ios/SimpleXAppShared/SimpleXAppShared.h

@@ -0,0 +1,19 @@
+//
+//  SimpleXAppShared.h
+//  SimpleXAppShared
+//
+//  Created by Evgeny on 09/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for SimpleXAppShared.
+FOUNDATION_EXPORT double SimpleXAppSharedVersionNumber;
+
+//! Project version string for SimpleXAppShared.
+FOUNDATION_EXPORT const unsigned char SimpleXAppSharedVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <SimpleXAppShared/PublicHeader.h>
+
+

apps/ios/SimpleXChat/API.swift

@@ -7,60 +7,76 @@
 //
 
 import Foundation
+import OSLog
+
+let logger = Logger()
 
 private var chatController: chat_ctrl?
 
-public func getChatCtrl() -> chat_ctrl {
+private func getChatCtrl() -> chat_ctrl {
     if let controller = chatController { return controller }
-    let dataDir = getDocumentsDirectory().path + "/mobile_v1"
-    logger.debug("documents directory \(dataDir)")
-    var cstr = dataDir.cString(using: .utf8)!
+    let dbFilePrefix = getDocumentsDirectory().path + "/mobile_v1"
+    logger.debug("getChatCtrl: dbFilePrefix \(dbFilePrefix)")
+    var cstr = dbFilePrefix.cString(using: .utf8)!
     chatController = chat_init(&cstr)
     logger.debug("getChatCtrl: chat_init")
     return chatController!
 }
 
-public func sendSimpleXCmd(_ cmd: ChatCommand) -> ChatResponse {
-    var c = cmd.cmdString.cString(using: .utf8)!
-    return chatResponse(chat_send_cmd(getChatCtrl(), &c))
+func getDocumentsDirectory() -> URL {
+    FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
+//    FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: APP_GROUP_NAME)!
 }
 
-public func chatResponse(_ cjson: UnsafeMutablePointer<CChar>) -> ChatResponse {
+//public func sendSimpleXCmd(_ cmd: ChatCommand) -> ChatResponse {
+//    var c = cmd.cmdString.cString(using: .utf8)!
+//    return chatResponse(chat_send_cmd(getChatCtrl(), &c))
+//}
+
+public func chatSendCmd(_ cmd: String) -> String {
+    var c = cmd.cString(using: .utf8)!
+    return rawChatResponse(chat_send_cmd(getChatCtrl(), &c))
+}
+
+public func chatRecvMsg() -> String {
+    rawChatResponse(chat_recv_msg(getChatCtrl()))
+}
+
+public func rawChatResponse(_ cjson: UnsafeMutablePointer<CChar>) -> String {
     let s = String.init(cString: cjson)
-    let d = s.data(using: .utf8)!
-// TODO is there a way to do it without copying the data? e.g:
-//    let p = UnsafeMutableRawPointer.init(mutating: UnsafeRawPointer(cjson))
-//    let d = Data.init(bytesNoCopy: p, count: strlen(cjson), deallocator: .free)
-    do {
-        let r = try jsonDecoder.decode(APIResponse.self, from: d)
-        return r.resp
-    } catch {
-        logger.error("chatResponse jsonDecoder.decode error: \(error.localizedDescription)")
-    }
-
-    var type: String?
-    var json: String?
-    if let j = try? JSONSerialization.jsonObject(with: d) as? NSDictionary {
-        if let j1 = j["resp"] as? NSDictionary, j1.count == 1 {
-            type = j1.allKeys[0] as? String
-        }
-        json = prettyJSON(j)
-    }
     free(cjson)
-    return ChatResponse.response(type: type ?? "invalid", json: json ?? s)
+    return s
 }
 
-func prettyJSON(_ obj: NSDictionary) -> String? {
-    if let d = try? JSONSerialization.data(withJSONObject: obj, options: .prettyPrinted) {
-        return String(decoding: d, as: UTF8.self)
-    }
-    return nil
-}
-
-public func responseError(_ err: Error) -> String {
-    if let r = err as? ChatResponse {
-        return String(describing: r)
-    } else {
-        return err.localizedDescription
-    }
-}
+//public func chatResponse(_ cjson: UnsafeMutablePointer<CChar>) -> ChatResponse {
+//    let s = String.init(cString: cjson)
+//    let d = s.data(using: .utf8)!
+//// TODO is there a way to do it without copying the data? e.g:
+////    let p = UnsafeMutableRawPointer.init(mutating: UnsafeRawPointer(cjson))
+////    let d = Data.init(bytesNoCopy: p, count: strlen(cjson), deallocator: .free)
+//    do {
+//        let r = try jsonDecoder.decode(APIResponse.self, from: d)
+//        return r.resp
+//    } catch {
+//        logger.error("chatResponse jsonDecoder.decode error: \(error.localizedDescription)")
+//    }
+//
+//    var type: String?
+//    var json: String?
+//    if let j = try? JSONSerialization.jsonObject(with: d) as? NSDictionary {
+//        if let j1 = j["resp"] as? NSDictionary, j1.count == 1 {
+//            type = j1.allKeys[0] as? String
+//        }
+//        json = prettyJSON(j)
+//    }
+//    free(cjson)
+//    return ChatResponse.response(type: type ?? "invalid", json: json ?? s)
+//}
+//
+//public func responseError(_ err: Error) -> String {
+//    if let r = err as? ChatResponse {
+//        return String(describing: r)
+//    } else {
+//        return err.localizedDescription
+//    }
+//}

apps/ios/SimpleXChatSDK/APITypes.swift

@@ -7,6 +7,9 @@
 //
 
 import Foundation
+import OSLog
+
+let logger = Logger()
 
 let jsonDecoder = getJSONDecoder()
 let jsonEncoder = getJSONEncoder()
@@ -520,3 +523,34 @@ public enum SMPAgentError: Decodable {
     case A_VERSION
     case A_ENCRYPTION
 }
+
+public func chatResponse(_ s: String) -> ChatResponse {
+    let d = s.data(using: .utf8)!
+// TODO is there a way to do it without copying the data? e.g:
+//    let p = UnsafeMutableRawPointer.init(mutating: UnsafeRawPointer(cjson))
+//    let d = Data.init(bytesNoCopy: p, count: strlen(cjson), deallocator: .free)
+    do {
+        let r = try jsonDecoder.decode(APIResponse.self, from: d)
+        return r.resp
+    } catch {
+        logger.error("chatResponse jsonDecoder.decode error: \(error.localizedDescription)")
+    }
+
+    var type: String?
+    var json: String?
+    if let j = try? JSONSerialization.jsonObject(with: d) as? NSDictionary {
+        if let j1 = j["resp"] as? NSDictionary, j1.count == 1 {
+            type = j1.allKeys[0] as? String
+        }
+        json = prettyJSON(j)
+    }
+    return ChatResponse.response(type: type ?? "invalid", json: json ?? s)
+}
+
+public func responseError(_ err: Error) -> String {
+    if let r = err as? ChatResponse {
+        return String(describing: r)
+    } else {
+        return err.localizedDescription
+    }
+}

apps/ios/SimpleXChatSDK/ChatTypes.swift

@@ -700,7 +700,7 @@ public struct CIFile: Decodable {
         CIFile(fileId: fileId, fileName: fileName, fileSize: fileSize, filePath: filePath, fileStatus: fileStatus)
     }
 
-    var loaded: Bool {
+    public var loaded: Bool {
         get {
             switch self.fileStatus {
             case .sndStored: return true

apps/ios/SimpleXChatSDK/JSON.swift

@@ -36,3 +36,10 @@ private func getDateFormatter(_ format: String) -> DateFormatter {
     df.timeZone = TimeZone(secondsFromGMT: 0)
     return df
 }
+
+func prettyJSON(_ obj: NSDictionary) -> String? {
+    if let d = try? JSONSerialization.data(withJSONObject: obj, options: .prettyPrinted) {
+        return String(decoding: d, as: UTF8.self)
+    }
+    return nil
+}

apps/ios/SimpleXChatSDK/SimpleXChatSDK.docc/SimpleXChatSDK.md

@@ -0,0 +1,13 @@
+# ``SimpleXChatSDK``
+
+<!--@START_MENU_TOKEN@-->Summary<!--@END_MENU_TOKEN@-->
+
+## Overview
+
+<!--@START_MENU_TOKEN@-->Text<!--@END_MENU_TOKEN@-->
+
+## Topics
+
+### <!--@START_MENU_TOKEN@-->Group<!--@END_MENU_TOKEN@-->
+
+- <!--@START_MENU_TOKEN@-->``Symbol``<!--@END_MENU_TOKEN@-->

apps/ios/SimpleXChatSDK/SimpleXChatSDK.h

@@ -0,0 +1,19 @@
+//
+//  SimpleXChatSDK.h
+//  SimpleXChatSDK
+//
+//  Created by Evgeny on 09/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for SimpleXChatSDK.
+FOUNDATION_EXPORT double SimpleXChatSDKVersionNumber;
+
+//! Project version string for SimpleXChatSDK.
+FOUNDATION_EXPORT const unsigned char SimpleXChatSDKVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <SimpleXChatSDK/PublicHeader.h>
+
+

apps/ios/SimpleXServiceProtocol/ServiceProtocol.swift

@@ -0,0 +1,27 @@
+//
+//  ServiceProtocol.swift
+//  SimpleXServiceProtocol
+//
+//  Created by Evgeny on 09/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+import Foundation
+import FileProvider
+import OSLog
+
+let logger = Logger()
+
+public let SIMPLEX_SERVICE_NAME = NSFileProviderServiceName("group.chat.simplex.app.service")
+public let SERVICE_PROXY_ITEM_NAME = "123"
+public let SERVICE_PROXY_ITEM_ID = NSFileProviderItemIdentifier(SERVICE_PROXY_ITEM_NAME)
+public let SERVICE_PROXY_ITEM_URL = URL(string: "\(NSFileProviderManager.default.documentStorageURL)\(SERVICE_PROXY_ITEM_NAME)")!
+public let simpleXServiceInterface: NSXPCInterface = {
+    NSXPCInterface(with: SimpleXServiceProtocol.self)
+}()
+
+@objc public protocol SimpleXServiceProtocol {
+    func chatSendCmd(_ cmd: String) async -> String
+    func chatRecvMsg() async -> String
+}
+

apps/ios/SimpleXServiceProtocol/SimpleXServiceProtocol.docc/SimpleXServiceProtocol.md

@@ -0,0 +1,13 @@
+# ``SimpleXServiceProtocol``
+
+<!--@START_MENU_TOKEN@-->Summary<!--@END_MENU_TOKEN@-->
+
+## Overview
+
+<!--@START_MENU_TOKEN@-->Text<!--@END_MENU_TOKEN@-->
+
+## Topics
+
+### <!--@START_MENU_TOKEN@-->Group<!--@END_MENU_TOKEN@-->
+
+- <!--@START_MENU_TOKEN@-->``Symbol``<!--@END_MENU_TOKEN@-->

apps/ios/SimpleXServiceProtocol/SimpleXServiceProtocol.h

@@ -0,0 +1,19 @@
+//
+//  SimpleXServiceProtocol.h
+//  SimpleXServiceProtocol
+//
+//  Created by Evgeny on 01/06/2022.
+//  Copyright © 2022 SimpleX Chat. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+//! Project version number for SimpleXServiceProtocol.
+FOUNDATION_EXPORT double SimpleXServiceProtocolVersionNumber;
+
+//! Project version string for SimpleXServiceProtocol.
+FOUNDATION_EXPORT const unsigned char SimpleXServiceProtocolVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <SimpleXServiceProtocol/PublicHeader.h>
+
+