more app message call

Cargo.lock

@@ -5100,6 +5100,7 @@ dependencies = [
  "directories",
  "flexi_logger",
  "futures",
+ "hex",
  "log",
  "parking_lot 0.12.1",
  "serde",
@@ -5218,6 +5219,7 @@ dependencies = [
  "async-std",
  "backtrace",
  "cfg-if 1.0.0",
+ "data-encoding",
  "ffi-support",
  "futures-util",
  "hostname",
@@ -5292,6 +5294,7 @@ version = "0.1.0"
 dependencies = [
  "cfg-if 1.0.0",
  "console_error_panic_hook",
+ "data-encoding",
  "futures-util",
  "js-sys",
  "lazy_static",

veilid-cli/Cargo.toml

@@ -42,6 +42,7 @@ bugsalot = "^0"
 flexi_logger = { version = "^0", features = ["use_chrono_for_offset"] }
 thiserror = "^1"
 crossbeam-channel = "^0"
+hex = "^0"
 veilid-core = { path = "../veilid-core", default_features = false}
 
 [dev-dependencies]

veilid-cli/src/client_api_connection.rs

@@ -76,6 +76,12 @@ impl veilid_client::Server for VeilidClientImpl {
             VeilidUpdate::Log(log) => {
                 self.comproc.update_log(log);
             }
+            VeilidUpdate::AppMessage(msg) => {
+                self.comproc.update_app_message(msg);
+            }
+            VeilidUpdate::AppCall(call) => {
+                self.comproc.update_app_call(call);
+            }
             VeilidUpdate::Attachment(attachment) => {
                 self.comproc.update_attachment(attachment);
             }
@@ -365,6 +371,29 @@ impl ClientApiConnection {
         res.map_err(map_to_string)
     }
 
+    pub async fn server_appcall_reply(&mut self, id: u64, msg: Vec<u8>) -> Result<(), String> {
+        trace!("ClientApiConnection::appcall_reply");
+        let server = {
+            let inner = self.inner.borrow();
+            inner
+                .server
+                .as_ref()
+                .ok_or_else(|| "Not connected, ignoring change_log_level request".to_owned())?
+                .clone()
+        };
+        let mut request = server.borrow().app_call_reply_request();
+        request.get().set_id(id);
+        request.get().set_message(&msg);
+        let response = request.send().promise.await.map_err(map_to_string)?;
+        let reader = response
+            .get()
+            .map_err(map_to_string)?
+            .get_result()
+            .map_err(map_to_string)?;
+        let res: Result<(), VeilidAPIError> = decode_api_result(&reader);
+        res.map_err(map_to_string)
+    }
+
     // Start Client API connection
     pub async fn connect(&mut self, connect_addr: SocketAddr) -> Result<(), String> {
         trace!("ClientApiConnection::connect");

veilid-cli/src/command_processor.rs

@@ -49,6 +49,7 @@ struct CommandProcessorInner {
     autoreconnect: bool,
     server_addr: Option<SocketAddr>,
     connection_waker: Eventual,
+    last_call_id: Option<u64>,
 }
 
 type Handle<T> = Rc<RefCell<T>>;
@@ -70,6 +71,7 @@ impl CommandProcessor {
                 autoreconnect: settings.autoreconnect,
                 server_addr: None,
                 connection_waker: Eventual::new(),
+                last_call_id: None,
             })),
         }
     }
@@ -111,6 +113,7 @@ attach              - attach the server to the Veilid network
 detach              - detach the server from the Veilid network
 debug               - send a debugging command to the Veilid server
 change_log_level    - change the log level for a tracing layer
+reply               - reply to an AppCall not handled directly by the server
 "#
             .to_owned(),
         );
@@ -225,6 +228,66 @@ change_log_level    - change the log level for a tracing layer
         Ok(())
     }
 
+    pub fn cmd_reply(&self, rest: Option<String>, callback: UICallback) -> Result<(), String> {
+        trace!("CommandProcessor::cmd_reply");
+
+        let mut capi = self.capi();
+        let ui = self.ui();
+        let some_last_id = self.inner_mut().last_call_id.take();
+        spawn_detached_local(async move {
+            let (first, second) = Self::word_split(&rest.clone().unwrap_or_default());
+            let (id, msg) = if let Some(second) = second {
+                let id = match u64::from_str(&first) {
+                    Err(e) => {
+                        ui.add_node_event(format!("invalid appcall id: {}", e));
+                        ui.send_callback(callback);
+                        return;
+                    }
+                    Ok(v) => v,
+                };
+                (id, second)
+            } else {
+                let id = match some_last_id {
+                    None => {
+                        ui.add_node_event("must specify last call id".to_owned());
+                        ui.send_callback(callback);
+                        return;
+                    }
+                    Some(v) => v,
+                };
+                (id, rest.unwrap_or_default())
+            };
+            let msg = if msg[0..1] == "#".to_owned() {
+                match hex::decode(msg[1..].as_bytes().to_vec()) {
+                    Err(e) => {
+                        ui.add_node_event(format!("invalid hex message: {}", e));
+                        ui.send_callback(callback);
+                        return;
+                    }
+                    Ok(v) => v,
+                }
+            } else {
+                msg[1..].as_bytes().to_vec()
+            };
+            let msglen = msg.len();
+            match capi.server_appcall_reply(id, msg).await {
+                Ok(()) => {
+                    ui.add_node_event(format!("reply sent to {} : {} bytes", id, msglen));
+                    ui.send_callback(callback);
+                    return;
+                }
+                Err(e) => {
+                    ui.display_string_dialog(
+                        "Server command 'appcall_reply' failed",
+                        e.to_string(),
+                        callback,
+                    );
+                }
+            }
+        });
+        Ok(())
+    }
+
     pub fn run_command(&self, command_line: &str, callback: UICallback) -> Result<(), String> {
         //
         let (cmd, rest) = Self::word_split(command_line);
@@ -238,6 +301,7 @@ change_log_level    - change the log level for a tracing layer
             "detach" => self.cmd_detach(callback),
             "debug" => self.cmd_debug(rest, callback),
             "change_log_level" => self.cmd_change_log_level(rest, callback),
+            "reply" => self.cmd_reply(rest, callback),
             _ => {
                 let ui = self.ui();
                 ui.send_callback(callback);
@@ -344,6 +408,49 @@ change_log_level    - change the log level for a tracing layer
         ));
     }
 
+    pub fn update_app_message(&mut self, msg: veilid_core::VeilidAppMessage) {
+        // check is message body is ascii printable
+        let mut printable = true;
+        for c in &msg.message {
+            if *c < 32 || *c > 126 {
+                printable = false;
+            }
+        }
+
+        let strmsg = if printable {
+            String::from_utf8_lossy(&msg.message).to_string()
+        } else {
+            hex::encode(&msg.message)
+        };
+
+        self.inner()
+            .ui
+            .add_node_event(format!("AppMessage ({:?}): {}", msg.sender, strmsg));
+    }
+
+    pub fn update_app_call(&mut self, call: veilid_core::VeilidAppCall) {
+        // check is message body is ascii printable
+        let mut printable = true;
+        for c in &call.message {
+            if *c < 32 || *c > 126 {
+                printable = false;
+            }
+        }
+
+        let strmsg = if printable {
+            String::from_utf8_lossy(&call.message).to_string()
+        } else {
+            format!("#{}", hex::encode(&call.message))
+        };
+
+        self.inner().ui.add_node_event(format!(
+            "AppCall ({:?}) id = {:016x} : {}",
+            call.sender, call.id, strmsg
+        ));
+
+        self.inner_mut().last_call_id = Some(call.id);
+    }
+
     pub fn update_shutdown(&mut self) {
         // Do nothing with this, we'll process shutdown when rpc connection closes
     }
@@ -381,7 +488,6 @@ change_log_level    - change the log level for a tracing layer
     // calls into client_api_connection
     ////////////////////////////////////////////
     pub fn attach(&mut self) {
-        trace!("CommandProcessor::attach");
         let mut capi = self.capi();
 
         spawn_detached_local(async move {
@@ -392,7 +498,6 @@ change_log_level    - change the log level for a tracing layer
     }
 
     pub fn detach(&mut self) {
-        trace!("CommandProcessor::detach");
         let mut capi = self.capi();
 
         spawn_detached_local(async move {

veilid-core/src/veilid_api/mod.rs

@@ -230,18 +230,23 @@ pub struct VeilidLog {
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct VeilidAppMessage {
     /// Some(sender) if the message was sent directly, None if received via a private/safety route
+    #[serde(with = "opt_json_as_string")]
     pub sender: Option<NodeId>,
     /// The content of the message to deliver to the application
+    #[serde(with = "json_as_base64")]
     pub message: Vec<u8>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub struct VeilidAppCall {
     /// Some(sender) if the request was sent directly, None if received via a private/safety route
+    #[serde(with = "opt_json_as_string")]
     pub sender: Option<NodeId>,
     /// The content of the request to deliver to the application
+    #[serde(with = "json_as_base64")]
     pub message: Vec<u8>,
     /// The id to reply to
+    #[serde(with = "json_as_string")]
     pub id: u64,
 }
 
@@ -301,6 +306,14 @@ impl fmt::Display for NodeId {
         write!(f, "{}", self.key.encode())
     }
 }
+impl FromStr for NodeId {
+    type Err = VeilidAPIError;
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        Ok(Self {
+            key: DHTKey::try_decode(s)?,
+        })
+    }
+}
 
 #[derive(Clone, Debug, Default, PartialOrd, PartialEq, Eq, Ord, Serialize, Deserialize)]
 pub struct ValueKey {

veilid-core/src/veilid_api/serialize_helpers.rs

@@ -41,6 +41,23 @@ pub fn serialize_json<T: Serialize + Debug>(val: T) -> String {
     }
 }
 
+pub mod json_as_base64 {
+    use data_encoding::BASE64URL_NOPAD;
+    use serde::{Deserialize, Deserializer, Serialize, Serializer};
+
+    pub fn serialize<S: Serializer>(v: &Vec<u8>, s: S) -> Result<S::Ok, S::Error> {
+        let base64 = BASE64URL_NOPAD.encode(v);
+        String::serialize(&base64, s)
+    }
+
+    pub fn deserialize<'de, D: Deserializer<'de>>(d: D) -> Result<Vec<u8>, D::Error> {
+        let base64 = String::deserialize(d)?;
+        BASE64URL_NOPAD
+            .decode(base64.as_bytes())
+            .map_err(|e| serde::de::Error::custom(e))
+    }
+}
+
 pub mod json_as_string {
     use std::fmt::Display;
     use std::str::FromStr;

veilid-flutter/lib/veilid.dart

@@ -1,4 +1,6 @@
 import 'dart:async';
+import 'dart:typed_data';
+import 'dart:convert';
 
 import 'package:change_case/change_case.dart';
 
@@ -1239,11 +1241,13 @@ abstract class VeilidUpdate {
         }
       case "AppMessage":
         {
-          return VeilidAppMessage();
+          return VeilidAppMessage(
+              sender: json["sender"], message: json["message"]);
         }
       case "AppCall":
         {
-          return VeilidAppCall();
+          return VeilidAppCall(
+              sender: json["sender"], message: json["message"], id: json["id"]);
         }
       case "Attachment":
         {
@@ -1286,6 +1290,49 @@ class VeilidLog implements VeilidUpdate {
   }
 }
 
+class VeilidAppMessage implements VeilidUpdate {
+  final String? sender;
+  final Uint8List message;
+
+  //
+  VeilidAppMessage({
+    required this.sender,
+    required this.message,
+  });
+
+  @override
+  Map<String, dynamic> get json {
+    return {
+      'kind': "AppMessage",
+      'sender': sender,
+      'message': base64UrlEncode(message)
+    };
+  }
+}
+
+class VeilidAppCall implements VeilidUpdate {
+  final String? sender;
+  final Uint8List message;
+  final String id;
+
+  //
+  VeilidAppCall({
+    required this.sender,
+    required this.message,
+    required this.id,
+  });
+
+  @override
+  Map<String, dynamic> get json {
+    return {
+      'kind': "AppMessage",
+      'sender': sender,
+      'message': base64UrlEncode(message),
+      'id': id,
+    };
+  }
+}
+
 class VeilidUpdateAttachment implements VeilidUpdate {
   final VeilidStateAttachment state;
   //
@@ -1580,6 +1627,7 @@ abstract class Veilid {
   Future<void> detach();
   Future<void> shutdownVeilidCore();
   Future<String> debug(String command);
+  Future<void> appCallReply(String id, Uint8List message);
   String veilidVersionString();
   VeilidVersion veilidVersion();
 }

veilid-flutter/lib/veilid_ffi.dart

@@ -3,6 +3,7 @@ import 'dart:ffi';
 import 'dart:io';
 import 'dart:isolate';
 import 'dart:convert';
+import 'dart:typed_data';
 
 import 'package:ffi/ffi.dart';
 
@@ -50,6 +51,10 @@ typedef _DetachDart = void Function(int);
 // fn debug(port: i64, log_level: FfiStr)
 typedef _DebugC = Void Function(Int64, Pointer<Utf8>);
 typedef _DebugDart = void Function(int, Pointer<Utf8>);
+// fn app_call_reply(port: i64, id: FfiStr, message: FfiStr)
+typedef _AppCallReplyC = Void Function(Int64, Pointer<Utf8>, Pointer<Utf8>);
+typedef _AppCallReplyDart = void Function(int, Pointer<Utf8>, Pointer<Utf8>);
+
 // fn shutdown_veilid_core(port: i64)
 typedef _ShutdownVeilidCoreC = Void Function(Int64);
 typedef _ShutdownVeilidCoreDart = void Function(int);
@@ -304,6 +309,7 @@ class VeilidFFI implements Veilid {
   final _DetachDart _detach;
   final _ShutdownVeilidCoreDart _shutdownVeilidCore;
   final _DebugDart _debug;
+  final _AppCallReplyDart _appCallReply;
   final _VeilidVersionStringDart _veilidVersionString;
   final _VeilidVersionDart _veilidVersion;
 
@@ -328,6 +334,8 @@ class VeilidFFI implements Veilid {
             dylib.lookupFunction<_ShutdownVeilidCoreC, _ShutdownVeilidCoreDart>(
                 'shutdown_veilid_core'),
         _debug = dylib.lookupFunction<_DebugC, _DebugDart>('debug'),
+        _appCallReply = dylib.lookupFunction<_AppCallReplyC, _AppCallReplyDart>(
+            'app_call_reply'),
         _veilidVersionString = dylib.lookupFunction<_VeilidVersionStringC,
             _VeilidVersionStringDart>('veilid_version_string'),
         _veilidVersion =
@@ -420,6 +428,16 @@ class VeilidFFI implements Veilid {
     return processFuturePlain(recvPort.first);
   }
 
+  @override
+  Future<void> appCallReply(String id, Uint8List message) async {
+    var nativeId = id.toNativeUtf8();
+    var nativeEncodedMessage = base64UrlEncode(message).toNativeUtf8();
+    final recvPort = ReceivePort("app_call_reply");
+    final sendPort = recvPort.sendPort;
+    _appCallReply(sendPort.nativePort, nativeId, nativeEncodedMessage);
+    return processFutureVoid(recvPort.first);
+  }
+
   @override
   String veilidVersionString() {
     final versionString = _veilidVersionString();

veilid-flutter/lib/veilid_js.dart

@@ -5,6 +5,7 @@ import 'dart:js' as js;
 import 'dart:js_util' as js_util;
 import 'dart:async';
 import 'dart:convert';
+import 'dart:typed_data';
 
 //////////////////////////////////////////////////////////
 
@@ -82,6 +83,13 @@ class VeilidJS implements Veilid {
     return _wrapApiPromise(js_util.callMethod(wasm, "debug", [command]));
   }
 
+  @override
+  Future<void> appCallReply(String id, Uint8List message) {
+    var encodedMessage = base64UrlEncode(message);
+    return _wrapApiPromise(
+        js_util.callMethod(wasm, "app_call_reply", [id, encodedMessage]));
+  }
+
   @override
   String veilidVersionString() {
     return js_util.callMethod(wasm, "veilid_version_string", []);

veilid-flutter/rust/Cargo.toml

@@ -20,6 +20,7 @@ serde_json = "^1"
 serde = "^1"
 futures-util = { version = "^0", default_features = false, features = ["alloc"] }
 cfg-if = "^1"
+data-encoding = { version = "^2" }
 
 # Dependencies for native builds only
 # Linux, Windows, Mac, iOS, Android

veilid-flutter/rust/src/dart_ffi.rs

@@ -327,6 +327,26 @@ pub extern "C" fn debug(port: i64, command: FfiStr) {
     });
 }
 
+#[no_mangle]
+pub extern "C" fn app_call_reply(port: i64, id: FfiStr, message: FfiStr) {
+    let id = id.into_opt_string().unwrap_or_default();
+    let message = message.into_opt_string().unwrap_or_default();
+    DartIsolateWrapper::new(port).spawn_result(async move {
+        let id = match id.parse() {
+            Ok(v) => v,
+            Err(e) => {
+                return APIResult::Err(veilid_core::VeilidAPIError::invalid_argument(e, "id", id))
+            }
+        };
+        let message = data_encoding::BASE64URL_NOPAD
+            .decode(message.as_bytes())
+            .map_err(|e| veilid_core::VeilidAPIError::invalid_argument(e, "message", message))?;
+        let veilid_api = get_veilid_api().await?;
+        veilid_api.app_call_reply(id, message).await?;
+        APIRESULT_VOID
+    });
+}
+
 #[no_mangle]
 pub extern "C" fn veilid_version_string() -> *mut c_char {
     veilid_core::veilid_version_string().into_ffi_value()

veilid-server/proto/veilid-client.capnp

@@ -17,6 +17,7 @@ interface VeilidServer {
     shutdown @4 ();
     getState @5 () -> (result :ApiResult);
     changeLogLevel @6 (layer :Text, logLevel :Text) -> (result :ApiResult);
+    appCallReply @7 (id :UInt64, message :Data) -> (result :ApiResult);
 }
 
 interface VeilidClient {

veilid-server/src/client_api.rs

@@ -236,6 +236,25 @@ impl veilid_server::Server for VeilidServerImpl {
         encode_api_result(&result, &mut results.get().init_result());
         Promise::ok(())
     }
+
+    #[instrument(level = "trace", skip_all)]
+    fn app_call_reply(
+        &mut self,
+        params: veilid_server::AppCallReplyParams,
+        mut results: veilid_server::AppCallReplyResults,
+    ) -> Promise<(), ::capnp::Error> {
+        trace!("VeilidServerImpl::app_call_reply");
+
+        let id = pry!(params.get()).get_id();
+        let message = pry!(pry!(params.get()).get_message()).to_owned();
+
+        let veilid_api = self.veilid_api.clone();
+        Promise::from_future(async move {
+            let result = veilid_api.app_call_reply(id, message).await;
+            encode_api_result(&result, &mut results.get().init_result());
+            Ok(())
+        })
+    }
 }
 
 // --- Client API Server-Side ---------------------------------

veilid-wasm/Cargo.toml

@@ -26,6 +26,7 @@ serde = "^1"
 lazy_static = "^1"
 send_wrapper = "^0"
 futures-util = { version = "^0", default_features = false, features = ["alloc"] }
+data-encoding = { version = "^2" }
 
 [dev-dependencies]
 wasm-bindgen-test = "^0"

veilid-wasm/src/lib.rs

@@ -268,6 +268,24 @@ pub fn debug(command: String) -> Promise {
     })
 }
 
+#[wasm_bindgen()]
+pub fn app_call_reply(id: String, message: String) -> Promise {
+    wrap_api_future(async move {
+        let id = match id.parse() {
+            Ok(v) => v,
+            Err(e) => {
+                return APIResult::Err(veilid_core::VeilidAPIError::invalid_argument(e, "id", id))
+            }
+        };
+        let message = data_encoding::BASE64URL_NOPAD
+            .decode(message.as_bytes())
+            .map_err(|e| veilid_core::VeilidAPIError::invalid_argument(e, "message", message))?;
+        let veilid_api = get_veilid_api()?;
+        let out = veilid_api.app_call_reply(id, message).await?;
+        Ok(out)
+    })
+}
+
 #[wasm_bindgen()]
 pub fn veilid_version_string() -> String {
     veilid_core::veilid_version_string()