Cargo.lock

@@ -110,9 +110,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
-version = "1.0.74"
+version = "1.0.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "581f5dba903aac52ea3feb5ec4810848460ee833876f1f9b0fdeab1f19091574"
+checksum = "76a284da2e6fe2092f2353e51713435363112dfd60030e22add80be333fb928f"
 
 [[package]]
 name = "cfg-if"
@@ -122,9 +122,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "chrono"
-version = "0.4.22"
+version = "0.4.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
+checksum = "16b0a3d9ed01224b22057780a37bb8c5dbfe1be8ba48678e7bf57ec4b385411f"
 dependencies = [
  "iana-time-zone",
  "num-integer",
@@ -214,9 +214,9 @@ dependencies = [
 
 [[package]]
 name = "cxx"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b7d4e43b25d3c994662706a1d4fcfc32aaa6afd287502c111b237093bb23f3a"
+checksum = "d4a41a86530d0fe7f5d9ea779916b7cadd2d4f9add748b99c2c029cbbdfaf453"
 dependencies = [
  "cc",
  "cxxbridge-flags",
@@ -226,9 +226,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-build"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84f8829ddc213e2c1368e51a2564c552b65a8cb6a28f31e576270ac81d5e5827"
+checksum = "06416d667ff3e3ad2df1cd8cd8afae5da26cf9cec4d0825040f88b5ca659a2f0"
 dependencies = [
  "cc",
  "codespan-reporting",
@@ -241,15 +241,15 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e72537424b474af1460806647c41d4b6d35d09ef7fe031c5c2fa5766047cc56a"
+checksum = "820a9a2af1669deeef27cb271f476ffd196a2c4b6731336011e0ba63e2c7cf71"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.80"
+version = "1.0.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "309e4fb93eed90e1e14bea0da16b209f81813ba9fc7830c20ed151dd7bc0a4d7"
+checksum = "a08a6e2fcc370a089ad3b4aaf54db3b1b4cee38ddabce5896b33eb693275f470"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -504,9 +504,9 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.13.1"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1"
+checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
 dependencies = [
  "hermit-abi",
  "libc",
@@ -577,9 +577,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c4eb3267174b8c6c2f654116623910a0fef09c4753f8dd83db29c48a0df988b"
+checksum = "e076559ef8e241f2ae3479e36f97bd5741c0330689e217ad51ce2c76808b868a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -588,9 +588,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.27"
+version = "0.6.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a3f87b73ce11b1619a3c6332f45341e0047173771e8b8b73f87bfeefb7b56244"
+checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
 
 [[package]]
 name = "riscv"

fsrc-core/src/event_man.rs

@@ -52,7 +52,7 @@ use hashbrown::HashMap;
 #[cfg(feature = "std")]
 pub use stdmod::*;
 
-#[derive(PartialEq, Eq, Hash, Copy, Clone)]
+#[derive(PartialEq, Eq, Hash, Copy, Clone, Debug)]
 pub enum ListenerKey {
     Single(LargestEventRaw),
     Group(LargestGroupIdRaw),
@@ -67,7 +67,7 @@ pub type EventWithAuxData<Event> = (Event, Option<Params>);
 pub type EventU32WithAuxData = EventWithAuxData<EventU32>;
 pub type EventU16WithAuxData = EventWithAuxData<EventU16>;
 
-type SenderId = u32;
+pub type SenderId = u32;
 
 pub trait SendEventProvider<Provider: GenericEvent, AuxDataProvider = Params> {
     type Error;
@@ -83,11 +83,6 @@ pub trait SendEventProvider<Provider: GenericEvent, AuxDataProvider = Params> {
     ) -> Result<(), Self::Error>;
 }
 
-pub struct Listener<E, Event: GenericEvent, AuxDataProvider = Params> {
-    ltype: ListenerKey,
-    send_provider: Box<dyn SendEventProvider<Event, AuxDataProvider, Error = E>>,
-}
-
 /// Generic abstraction for an event receiver.
 pub trait EventReceiver<Event: GenericEvent, AuxDataProvider = Params> {
     /// This function has to be provided by any event receiver. A receive call may or may not return
@@ -99,14 +94,19 @@ pub trait EventReceiver<Event: GenericEvent, AuxDataProvider = Params> {
     fn receive(&mut self) -> Option<(Event, Option<AuxDataProvider>)>;
 }
 
-pub trait ListenerTable<SendProviderError, Event: GenericEvent = EventU32, AuxDataProvider = Params>
-{
-    fn get_listener_ids(&mut self, key: ListenerKey) -> Option<Iter<SenderId>>;
+pub trait ListenerTable {
+    fn get_listeners(&self) -> Vec<ListenerKey>;
+    fn contains_listener(&self, key: &ListenerKey) -> bool;
+    fn get_listener_ids(&self, key: &ListenerKey) -> Option<Iter<SenderId>>;
     fn add_listener(&mut self, key: ListenerKey, sender_id: SenderId) -> bool;
+    fn remove_duplicates(&mut self, key: &ListenerKey);
+}
 
+pub trait SenderTable<SendProviderError, Event: GenericEvent = EventU32, AuxDataProvider = Params> {
+    fn contains_send_event_provider(&self, id: &SenderId) -> bool;
     fn get_send_event_provider(
         &mut self,
-        id: SenderId,
+        id: &SenderId,
     ) -> Option<&mut Box<dyn SendEventProvider<Event, AuxDataProvider, Error = SendProviderError>>>;
     fn add_send_event_provider(
         &mut self,
@@ -122,36 +122,218 @@ pub trait ListenerTable<SendProviderError, Event: GenericEvent = EventU32, AuxDa
 ///
 ///  * `SendProviderError`: [SendEventProvider] error type
 ///  * `Event`: Concrete event provider, currently either [EventU32] or [EventU16]
-///  * `AuxDataProvider`: Concrete auxiliary data provder, currently either [Params] or
+///  * `AuxDataProvider`: Concrete auxiliary data provider, currently either [Params] or
 ///     [ParamsHeapless]
 pub struct EventManager<SendProviderError, Event: GenericEvent = EventU32, AuxDataProvider = Params>
 {
-    listeners: HashMap<ListenerKey, Vec<Listener<SendProviderError, Event, AuxDataProvider>>>,
-    //listener_table: Box<dyn ListenerTable<SendProviderError, Event, AuxDataProvider>>,
+    listener_table: Box<dyn ListenerTable>,
+    sender_table: Box<dyn SenderTable<SendProviderError, Event, AuxDataProvider>>,
     event_receiver: Box<dyn EventReceiver<Event, AuxDataProvider>>,
 }
 
+/// Safety: It is safe to implement [Send] because all fields in the [EventManager] are [Send]
+/// as well
 #[cfg(feature = "std")]
+unsafe impl<E, Event: GenericEvent + Send, AuxDataProvider: Send> Send
+    for EventManager<E, Event, AuxDataProvider>
+{
+}
+
+#[cfg(feature = "std")]
+pub type EventManagerWithMpscQueue<Event, AuxDataProvider> = EventManager<
+    std::sync::mpsc::SendError<(Event, Option<AuxDataProvider>)>,
+    Event,
+    AuxDataProvider,
+>;
+
+#[derive(Debug)]
+pub enum EventRoutingResult<Event: GenericEvent, AuxDataProvider> {
+    /// No event was received
+    Empty,
+    /// An event was received and routed.
+    /// The first tuple entry will contain the number of recipients.
+    Handled(u32, Event, Option<AuxDataProvider>),
+}
+
+#[derive(Debug)]
+pub enum EventRoutingError<E> {
+    SendError(E),
+    NoSendersForKey(ListenerKey),
+    NoSenderForId(SenderId),
+}
+
+#[derive(Debug)]
+pub struct EventRoutingErrorsWithResult<Event: GenericEvent, AuxDataProvider, E> {
+    pub result: EventRoutingResult<Event, AuxDataProvider>,
+    pub errors: [Option<EventRoutingError<E>>; 3],
+}
+
+impl<E, Event: GenericEvent + Copy> EventManager<E, Event> {
+    pub fn remove_duplicates(&mut self, key: &ListenerKey) {
+        self.listener_table.remove_duplicates(key)
+    }
+
+    pub fn subscribe_single(&mut self, event: &Event, sender_id: SenderId) {
+        self.update_listeners(ListenerKey::Single(event.raw_as_largest_type()), sender_id);
+    }
+
+    pub fn subscribe_group(&mut self, group_id: LargestGroupIdRaw, sender_id: SenderId) {
+        self.update_listeners(ListenerKey::Group(group_id), sender_id);
+    }
+
+    /// Subscribe for all events received by the manager.
+    ///
+    /// For example, this can be useful for a handler component which sends every event as
+    /// a telemetry packet.
+    pub fn subscribe_all(&mut self, sender_id: SenderId) {
+        self.update_listeners(ListenerKey::All, sender_id);
+    }
+}
+
+impl<E: 'static, Event: GenericEvent + Copy + 'static, AuxDataProvider: Clone + 'static>
+    EventManager<E, Event, AuxDataProvider>
+{
+    pub fn new(event_receiver: Box<dyn EventReceiver<Event, AuxDataProvider>>) -> Self {
+        let listener_table = Box::new(DefaultListenerTableProvider::default());
+        let sender_table =
+            Box::new(DefaultSenderTableProvider::<E, Event, AuxDataProvider>::default());
+        Self::new_custom_tables(listener_table, sender_table, event_receiver)
+    }
+}
+
+impl<E, Event: GenericEvent + Copy, AuxDataProvider: Clone>
+    EventManager<E, Event, AuxDataProvider>
+{
+    pub fn new_custom_tables(
+        listener_table: Box<dyn ListenerTable>,
+        sender_table: Box<dyn SenderTable<E, Event, AuxDataProvider>>,
+        event_receiver: Box<dyn EventReceiver<Event, AuxDataProvider>>,
+    ) -> Self {
+        EventManager {
+            listener_table,
+            sender_table,
+            event_receiver,
+        }
+    }
+
+    pub fn add_sender(
+        &mut self,
+        send_provider: impl SendEventProvider<Event, AuxDataProvider, Error = E> + 'static,
+    ) {
+        if !self
+            .sender_table
+            .contains_send_event_provider(&send_provider.id())
+        {
+            self.sender_table
+                .add_send_event_provider(Box::new(send_provider));
+        }
+    }
+
+    fn update_listeners(&mut self, key: ListenerKey, sender_id: SenderId) {
+        self.listener_table.add_listener(key, sender_id);
+    }
+
+    /// This function will use the cached event receiver and try to receive one event.
+    /// If an event was received, it will try to route that event to all subscribed event listeners.
+    /// If this works without any issues, the [EventRoutingResult] will contain context information
+    /// about the routed event.
+    ///
+    /// This function will track up to 3 errors returned as part of the
+    /// [EventRoutingErrorsWithResult] error struct.
+    pub fn try_event_handling(
+        &mut self,
+    ) -> Result<
+        EventRoutingResult<Event, AuxDataProvider>,
+        EventRoutingErrorsWithResult<Event, AuxDataProvider, E>,
+    > {
+        let mut err_idx = 0;
+        let mut err_slice = [None, None, None];
+        let mut num_recipients = 0;
+        let mut add_error = |error: EventRoutingError<E>| {
+            if err_idx < 3 {
+                err_slice[err_idx] = Some(error);
+                err_idx += 1;
+            }
+        };
+        let mut send_handler =
+            |key: &ListenerKey, event: Event, aux_data: &Option<AuxDataProvider>| {
+                if self.listener_table.contains_listener(key) {
+                    if let Some(ids) = self.listener_table.get_listener_ids(key) {
+                        for id in ids {
+                            if let Some(sender) = self.sender_table.get_send_event_provider(id) {
+                                if let Err(e) = sender.send(event, aux_data.clone()) {
+                                    add_error(EventRoutingError::SendError(e));
+                                } else {
+                                    num_recipients += 1;
+                                }
+                            } else {
+                                add_error(EventRoutingError::NoSenderForId(*id));
+                            }
+                        }
+                    } else {
+                        add_error(EventRoutingError::NoSendersForKey(*key));
+                    }
+                }
+            };
+        if let Some((event, aux_data)) = self.event_receiver.receive() {
+            let single_key = ListenerKey::Single(event.raw_as_largest_type());
+            send_handler(&single_key, event, &aux_data);
+            let group_key = ListenerKey::Group(event.group_id_as_largest_type());
+            send_handler(&group_key, event, &aux_data);
+            send_handler(&ListenerKey::All, event, &aux_data);
+            if err_idx > 0 {
+                return Err(EventRoutingErrorsWithResult {
+                    result: EventRoutingResult::Handled(num_recipients, event, aux_data),
+                    errors: err_slice,
+                });
+            }
+            return Ok(EventRoutingResult::Handled(num_recipients, event, aux_data));
+        }
+        Ok(EventRoutingResult::Empty)
+    }
+}
+
 #[derive(Default)]
+pub struct DefaultListenerTableProvider {
+    listeners: HashMap<ListenerKey, Vec<SenderId>>,
+}
+
 pub struct DefaultSenderTableProvider<
     SendProviderError,
     Event: GenericEvent = EventU32,
     AuxDataProvider = Params,
 > {
-    listeners: HashMap<ListenerKey, Vec<SenderId>>,
     senders: HashMap<
         SenderId,
         Box<dyn SendEventProvider<Event, AuxDataProvider, Error = SendProviderError>>,
     >,
 }
 
-#[cfg(feature = "std")]
-impl<SendProviderError, Event: GenericEvent, AuxDataProvider>
-    ListenerTable<SendProviderError, Event, AuxDataProvider>
+impl<SendProviderError, Event: GenericEvent, AuxDataProvider> Default
     for DefaultSenderTableProvider<SendProviderError, Event, AuxDataProvider>
 {
-    fn get_listener_ids(&mut self, key: ListenerKey) -> Option<Iter<SenderId>> {
-        self.listeners.get(&key).map(|vec| vec.into_iter())
+    fn default() -> Self {
+        Self {
+            senders: HashMap::new(),
+        }
+    }
+}
+
+impl ListenerTable for DefaultListenerTableProvider {
+    fn get_listeners(&self) -> Vec<ListenerKey> {
+        let mut key_list = Vec::new();
+        for key in self.listeners.keys() {
+            key_list.push(*key);
+        }
+        key_list
+    }
+
+    fn contains_listener(&self, key: &ListenerKey) -> bool {
+        self.listeners.contains_key(key)
+    }
+
+    fn get_listener_ids(&self, key: &ListenerKey) -> Option<Iter<SenderId>> {
+        self.listeners.get(key).map(|vec| vec.iter())
     }
 
     fn add_listener(&mut self, key: ListenerKey, sender_id: SenderId) -> bool {
@@ -164,12 +346,30 @@ impl<SendProviderError, Event: GenericEvent, AuxDataProvider>
         true
     }
 
+    fn remove_duplicates(&mut self, key: &ListenerKey) {
+        if let Some(list) = self.listeners.get_mut(key) {
+            list.sort_unstable();
+            list.dedup();
+        }
+    }
+}
+
+impl<SendProviderError, Event: GenericEvent, AuxDataProvider>
+    SenderTable<SendProviderError, Event, AuxDataProvider>
+    for DefaultSenderTableProvider<SendProviderError, Event, AuxDataProvider>
+{
+    fn contains_send_event_provider(&self, id: &SenderId) -> bool {
+        self.senders.contains_key(id)
+    }
+
     fn get_send_event_provider(
         &mut self,
-        id: SenderId,
+        id: &SenderId,
     ) -> Option<&mut Box<dyn SendEventProvider<Event, AuxDataProvider, Error = SendProviderError>>>
     {
-        self.senders.get_mut(&id).filter(|sender| sender.id() == id)
+        self.senders
+            .get_mut(id)
+            .filter(|sender| sender.id() == *id)
     }
 
     fn add_send_event_provider(
@@ -186,145 +386,6 @@ impl<SendProviderError, Event: GenericEvent, AuxDataProvider>
     }
 }
 
-/// Safety: It is safe to implement [Send] because all fields in the [EventManager] are [Send]
-/// as well
-#[cfg(feature = "std")]
-unsafe impl<E, Event: GenericEvent + Send, AuxDataProvider: Send> Send
-    for EventManager<E, Event, AuxDataProvider>
-{
-}
-
-pub enum HandlerResult<Event: GenericEvent, AuxDataProvider> {
-    Empty,
-    Handled(u32, Event, Option<AuxDataProvider>),
-}
-
-impl<E, Event: GenericEvent + Copy> EventManager<E, Event> {
-    pub fn new(event_receiver: Box<dyn EventReceiver<Event>>) -> Self {
-        EventManager {
-            listeners: HashMap::new(),
-            event_receiver,
-        }
-    }
-    pub fn subscribe_single(
-        &mut self,
-        event: Event,
-        dest: impl SendEventProvider<Event, Error = E> + 'static,
-    ) {
-        self.update_listeners(ListenerKey::Single(event.raw_as_largest_type()), dest);
-    }
-
-    pub fn subscribe_group(
-        &mut self,
-        group_id: LargestGroupIdRaw,
-        dest: impl SendEventProvider<Event, Error = E> + 'static,
-    ) {
-        self.update_listeners(ListenerKey::Group(group_id), dest);
-    }
-
-    /// Subscribe for all events received by the manager.
-    ///
-    /// For example, this can be useful for a handler component which sends every event as
-    /// a telemetry packet.
-    pub fn subscribe_all(
-        &mut self,
-        send_provider: impl SendEventProvider<Event, Error = E> + 'static,
-    ) {
-        self.update_listeners(ListenerKey::All, send_provider);
-    }
-
-    /// Helper function which removes single subscriptions for which a group subscription already
-    /// exists.
-    pub fn remove_single_subscriptions_for_group(
-        &mut self,
-        group_id: LargestGroupIdRaw,
-        dest: impl SendEventProvider<Event, Error = E> + 'static,
-    ) {
-        if self.listeners.contains_key(&ListenerKey::Group(group_id)) {
-            for (ltype, listeners) in &mut self.listeners {
-                if let ListenerKey::Single(_) = ltype {
-                    listeners.retain(|f| f.send_provider.id() != dest.id());
-                }
-            }
-        }
-    }
-}
-
-impl<E, Event: GenericEvent + Copy, AuxDataProvider: Clone>
-    EventManager<E, Event, AuxDataProvider>
-{
-    fn update_listeners(
-        &mut self,
-        key: ListenerKey,
-        dest: impl SendEventProvider<Event, AuxDataProvider, Error = E> + 'static,
-    ) {
-        if !self.listeners.contains_key(&key) {
-            self.listeners.insert(
-                key,
-                vec![Listener {
-                    ltype: key,
-                    send_provider: Box::new(dest),
-                }],
-            );
-        } else {
-            let vec = self.listeners.get_mut(&key).unwrap();
-            // To prevent double insertions
-            for entry in vec.iter() {
-                if entry.ltype == key && entry.send_provider.id() == dest.id() {
-                    return;
-                }
-            }
-            vec.push(Listener {
-                ltype: key,
-                send_provider: Box::new(dest),
-            });
-        }
-    }
-
-    pub fn try_event_handling(&mut self) -> Result<HandlerResult<Event, AuxDataProvider>, E> {
-        let mut err_status = None;
-        let mut num_recipients = 0;
-        let mut send_handler =
-            |event: Event,
-             aux_data: Option<AuxDataProvider>,
-             llist: &mut Vec<Listener<E, Event, AuxDataProvider>>| {
-                for listener in llist.iter_mut() {
-                    if let Err(e) = listener.send_provider.send(event, aux_data.clone()) {
-                        err_status = Some(Err(e));
-                    } else {
-                        num_recipients += 1;
-                    }
-                }
-            };
-        if let Some((event, aux_data)) = self.event_receiver.receive() {
-            let single_key = ListenerKey::Single(event.raw_as_largest_type());
-            if self.listeners.contains_key(&single_key) {
-                send_handler(
-                    event,
-                    aux_data.clone(),
-                    self.listeners.get_mut(&single_key).unwrap(),
-                );
-            }
-            let group_key = ListenerKey::Group(event.group_id_as_largest_type());
-            if self.listeners.contains_key(&group_key) {
-                send_handler(
-                    event,
-                    aux_data.clone(),
-                    self.listeners.get_mut(&group_key).unwrap(),
-                );
-            }
-            if let Some(all_receivers) = self.listeners.get_mut(&ListenerKey::All) {
-                send_handler(event, aux_data.clone(), all_receivers);
-            }
-            if let Some(err) = err_status {
-                return err;
-            }
-            return Ok(HandlerResult::Handled(num_recipients, event, aux_data));
-        }
-        Ok(HandlerResult::Empty)
-    }
-}
-
 #[cfg(feature = "std")]
 pub mod stdmod {
     use super::*;
@@ -362,9 +423,6 @@ pub mod stdmod {
         sender: Sender<(Event, Option<Params>)>,
     }
 
-    /// Safety: Send is safe to implement because both the ID and the MPSC sender are Send
-    //unsafe impl<Event: GenericEvent> Send for MpscEventSendProvider<Event> {}
-
     impl<Event: GenericEvent + Send> MpscEventSendProvider<Event> {
         pub fn new(id: u32, sender: Sender<(Event, Option<Params>)>) -> Self {
             Self { id, sender }
@@ -431,12 +489,12 @@ mod tests {
     }
 
     fn check_handled_event(
-        res: HandlerResult<EventU32, Params>,
+        res: EventRoutingResult<EventU32, Params>,
         expected: EventU32,
         expected_num_sent: u32,
     ) {
-        assert!(matches!(res, HandlerResult::Handled { .. }));
-        if let HandlerResult::Handled(num_recipients, event, _aux_data) = res {
+        assert!(matches!(res, EventRoutingResult::Handled { .. }));
+        if let EventRoutingResult::Handled(num_recipients, event, _aux_data) = res {
             assert_eq!(event, expected);
             assert_eq!(num_recipients, expected_num_sent);
         }
@@ -461,13 +519,15 @@ mod tests {
         let event_grp_1_0 = EventU32::new(Severity::HIGH, 1, 0).unwrap();
         let (single_event_sender, single_event_receiver) = channel();
         let single_event_listener = MpscEventSenderQueue::new(0, single_event_sender);
-        event_man.subscribe_single(event_grp_0, single_event_listener);
+        event_man.subscribe_single(&event_grp_0, single_event_listener.id());
+        event_man.add_sender(single_event_listener);
         let (group_event_sender_0, group_event_receiver_0) = channel();
         let group_event_listener = MpscEventSenderQueue {
             id: 1,
             mpsc_sender: group_event_sender_0,
         };
-        event_man.subscribe_group(event_grp_1_0.group_id(), group_event_listener);
+        event_man.subscribe_group(event_grp_1_0.group_id(), group_event_listener.id());
+        event_man.add_sender(group_event_listener);
 
         // Test event with one listener
         event_sender
@@ -494,7 +554,8 @@ mod tests {
         let event_grp_0 = EventU32::new(Severity::INFO, 0, 0).unwrap();
         let (single_event_sender, single_event_receiver) = channel();
         let single_event_listener = MpscEventSenderQueue::new(0, single_event_sender);
-        event_man.subscribe_single(event_grp_0, single_event_listener);
+        event_man.subscribe_single(&event_grp_0, single_event_listener.id());
+        event_man.add_sender(single_event_listener);
         event_sender
             .send((event_grp_0, Some(Params::Heapless((2_u32, 3_u32).into()))))
             .expect("Sending group error failed");
@@ -519,7 +580,7 @@ mod tests {
         let res = event_man.try_event_handling();
         assert!(res.is_ok());
         let hres = res.unwrap();
-        assert!(matches!(hres, HandlerResult::Empty));
+        assert!(matches!(hres, EventRoutingResult::Empty));
 
         let event_grp_0 = EventU32::new(Severity::INFO, 0, 0).unwrap();
         let event_grp_1_0 = EventU32::new(Severity::HIGH, 1, 0).unwrap();
@@ -528,8 +589,9 @@ mod tests {
             id: 0,
             mpsc_sender: event_grp_0_sender,
         };
-        event_man.subscribe_group(event_grp_0.group_id(), event_grp_0_and_1_listener.clone());
-        event_man.subscribe_group(event_grp_1_0.group_id(), event_grp_0_and_1_listener);
+        event_man.subscribe_group(event_grp_0.group_id(), event_grp_0_and_1_listener.id());
+        event_man.subscribe_group(event_grp_1_0.group_id(), event_grp_0_and_1_listener.id());
+        event_man.add_sender(event_grp_0_and_1_listener);
 
         event_sender
             .send((event_grp_0, None))
@@ -565,8 +627,12 @@ mod tests {
             id: 1,
             mpsc_sender: event_0_tx_1,
         };
-        event_man.subscribe_single(event_0, event_listener_0.clone());
-        event_man.subscribe_single(event_0, event_listener_1);
+        let event_listener_0_sender_id = event_listener_0.id();
+        event_man.subscribe_single(&event_0, event_listener_0_sender_id);
+        event_man.add_sender(event_listener_0);
+        let event_listener_1_sender_id = event_listener_1.id();
+        event_man.subscribe_single(&event_0, event_listener_1_sender_id);
+        event_man.add_sender(event_listener_1);
         event_sender
             .send((event_0, None))
             .expect("Triggering Event 0 failed");
@@ -575,7 +641,7 @@ mod tests {
         check_handled_event(res.unwrap(), event_0, 2);
         check_next_event(event_0, &event_0_rx_0);
         check_next_event(event_0, &event_0_rx_1);
-        event_man.subscribe_group(event_1.group_id(), event_listener_0.clone());
+        event_man.subscribe_group(event_1.group_id(), event_listener_0_sender_id);
         event_sender
             .send((event_0, None))
             .expect("Triggering Event 0 failed");
@@ -594,8 +660,9 @@ mod tests {
         check_next_event(event_0, &event_0_rx_0);
         check_next_event(event_1, &event_0_rx_0);
 
-        // Double insertion should be detected, result should remain the same
-        event_man.subscribe_group(event_1.group_id(), event_listener_0);
+        // Do double insertion and then remove duplicates
+        event_man.subscribe_group(event_1.group_id(), event_listener_0_sender_id);
+        event_man.remove_duplicates(&ListenerKey::Group(event_1.group_id()));
         event_sender
             .send((event_1, None))
             .expect("Triggering Event 1 failed");
@@ -617,7 +684,8 @@ mod tests {
             id: 0,
             mpsc_sender: event_0_tx_0,
         };
-        event_man.subscribe_all(all_events_listener);
+        event_man.subscribe_all(all_events_listener.id());
+        event_man.add_sender(all_events_listener);
         event_sender
             .send((event_0, None))
             .expect("Triggering event 0 failed");

fsrc-core/tests/pus_events.rs

@@ -1,4 +1,6 @@
-use fsrc_core::event_man::{EventManager, MpscEventReceiver, MpscEventU32SendProvider};
+use fsrc_core::event_man::{
+    EventManagerWithMpscQueue, MpscEventU32Receiver, MpscEventU32SendProvider, SendEventProvider,
+};
 use fsrc_core::events::{EventU32, EventU32TypedSev, Severity, SeverityInfo};
 use fsrc_core::params::U32Pair;
 use fsrc_core::params::{Params, ParamsHeapless, WritableToBeBytes};
@@ -31,12 +33,13 @@ impl EcssTmSender for EventTmSender {
 #[test]
 fn test_threaded_usage() {
     let (event_sender, event_man_receiver) = channel();
-    let event_receiver = MpscEventReceiver::new(event_man_receiver);
-    let mut event_man = EventManager::new(Box::new(event_receiver));
+    let event_receiver = MpscEventU32Receiver::new(event_man_receiver);
+    let mut event_man = EventManagerWithMpscQueue::new(Box::new(event_receiver));
 
     let (pus_event_man_tx, pus_event_man_rx) = channel();
     let pus_event_man_send_provider = MpscEventU32SendProvider::new(1, pus_event_man_tx);
-    event_man.subscribe_all(pus_event_man_send_provider);
+    event_man.subscribe_all(pus_event_man_send_provider.id());
+    event_man.add_sender(pus_event_man_send_provider);
     let (event_tx, event_rx) = channel();
     let reporter = EventReporter::new(0x02, 128).expect("Creating event reporter failed");
     let backend = DefaultPusMgmtBackendProvider::<EventU32>::default();

fsrc-example/src/bin/obsw/main.rs

@@ -3,7 +3,9 @@ mod pus;
 mod tmtc;
 
 use crate::tmtc::{core_tmtc_task, CoreTmtcArgs, TmStore, PUS_APID};
-use fsrc_core::event_man::{EventManager, MpscEventReceiver, MpscEventU32SendProvider};
+use fsrc_core::event_man::{
+    EventManagerWithMpscQueue, MpscEventReceiver, MpscEventU32SendProvider, SendEventProvider,
+};
 use fsrc_core::events::EventU32;
 use fsrc_core::hal::host::udp_server::UdpTcServer;
 use fsrc_core::pool::{LocalPool, PoolCfg, SharedPool, StoreAddr};
@@ -81,7 +83,7 @@ fn main() {
     let (event_request_tx, event_request_rx) = channel::<EventRequestWithToken>();
     let (event_sender, event_man_rx) = channel();
     let event_recv = MpscEventReceiver::<EventU32>::new(event_man_rx);
-    let mut event_man = EventManager::new(Box::new(event_recv));
+    let mut event_man = EventManagerWithMpscQueue::new(Box::new(event_recv));
     let event_reporter = EventReporter::new(PUS_APID, 128).unwrap();
     let pus_tm_backend = DefaultPusMgmtBackendProvider::<EventU32>::default();
     let mut pus_event_dispatcher =
@@ -89,7 +91,7 @@ fn main() {
     let (pus_event_man_tx, pus_event_man_rx) = channel();
     let pus_event_man_send_provider = MpscEventU32SendProvider::new(1, pus_event_man_tx);
     let reporter1 = reporter_with_sender_0.clone();
-    event_man.subscribe_all(pus_event_man_send_provider);
+    event_man.subscribe_all(pus_event_man_send_provider.id());
 
     // Create clones here to allow move for thread 0
     let core_args = CoreTmtcArgs {

spacepackets

@@ -1 +1 @@
-Subproject commit 1d6cf3a75d4082b3d962700038c21dc7dacb156f
+Subproject commit c750f94fba31114c5ade530ea6235acb6bb8835a