satrs-core/Cargo.toml

@@ -53,10 +53,10 @@ default-features = false
 optional = true
 
 [dependencies.spacepackets]
-version = "0.5.3"
+# version = "0.5.3"
 # path = "../spacepackets"
-# git = "https://egit.irs.uni-stuttgart.de/rust/spacepackets.git"
-# rev = ""
+git = "https://egit.irs.uni-stuttgart.de/rust/spacepackets.git"
+rev = "61c2042e3507242452ebe53164d40893cd8da155"
 
 default-features = false
 

satrs-core/src/lib.rs

@@ -1,4 +1,4 @@
-//! # Core components of the Flight Software Rust Crate (FSRC) collection
+//! # Core components of the sat-rs framework
 //!
 //! This is a collection of Rust crates which can be used to build On-Board Software for remote
 //! systems like satellites of rovers. It has special support for space tailored protocols

satrs-core/src/pus/scheduling.rs

@@ -7,6 +7,7 @@ use core::fmt::{Debug, Display, Formatter};
 use core::time::Duration;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
+use spacepackets::ecss::scheduling::TimeWindowType;
 use spacepackets::ecss::{PusError, PusPacket};
 use spacepackets::tc::{GenericPusTcSecondaryHeader, PusTc};
 use spacepackets::time::cds::DaysLen24Bits;
@@ -144,6 +145,8 @@ impl From<TimestampError> for ScheduleError {
 #[cfg(feature = "std")]
 impl Error for ScheduleError {}
 
+/// This is the format stored internally by the TC scheduler for each scheduled telecommand.
+/// It consists of the address of that telecommand in the TC pool and a request ID.
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct TcInfo {
@@ -178,6 +181,13 @@ impl TcInfo {
 /// A disabled scheduler should still delete commands where the execution time has been reached
 /// but should not release them to be executed.
 ///
+/// The implementation uses an ordered map internally with the release timestamp being the key.
+/// This allows efficient time based insertions and extractions which should be the primary use-case
+/// for a time-based command scheduler.
+/// There is no way to avoid duplicate [RequestId]s during insertion, which can occur even if the
+/// user always correctly increment for sequence counter due to overflows. To avoid this issue,
+/// it can make sense to split up telecommand groups by the APID to avoid overflows.
+///
 /// Currently, sub-schedules and groups are not supported.
 #[derive(Debug)]
 pub struct PusScheduler {
@@ -192,6 +202,60 @@ enum DeletionResult {
     WithStoreDeletion(Result<bool, StoreError>),
 }
 
+pub struct TimeWindow<TimeProvder> {
+    time_window_type: TimeWindowType,
+    start_time: Option<TimeProvder>,
+    end_time: Option<TimeProvder>,
+}
+
+impl<TimeProvider> TimeWindow<TimeProvider> {
+    pub fn new_select_all() -> Self {
+        Self {
+            time_window_type: TimeWindowType::SelectAll,
+            start_time: None,
+            end_time: None,
+        }
+    }
+
+    pub fn time_window_type(&self) -> TimeWindowType {
+        self.time_window_type
+    }
+
+    pub fn start_time(&self) -> Option<&TimeProvider> {
+        self.start_time.as_ref()
+    }
+
+    pub fn end_time(&self) -> Option<&TimeProvider> {
+        self.end_time.as_ref()
+    }
+}
+
+impl<TimeProvider: CcsdsTimeProvider + Clone> TimeWindow<TimeProvider> {
+    pub fn new_from_time_to_time(start_time: &TimeProvider, end_time: &TimeProvider) -> Self {
+        Self {
+            time_window_type: TimeWindowType::TimeTagToTimeTag,
+            start_time: Some(start_time.clone()),
+            end_time: Some(end_time.clone()),
+        }
+    }
+
+    pub fn new_from_time(start_time: &TimeProvider) -> Self {
+        Self {
+            time_window_type: TimeWindowType::FromTimeTag,
+            start_time: Some(start_time.clone()),
+            end_time: None,
+        }
+    }
+
+    pub fn new_to_time(end_time: &TimeProvider) -> Self {
+        Self {
+            time_window_type: TimeWindowType::ToTimeTag,
+            start_time: None,
+            end_time: Some(end_time.clone()),
+        }
+    }
+}
+
 impl PusScheduler {
     /// Create a new PUS scheduler.
     ///
@@ -360,6 +424,60 @@ impl PusScheduler {
         self.insert_wrapped_tc::<spacepackets::time::cds::TimeProvider<DaysLen24Bits>>(pus_tc, pool)
     }
 
+    /// This function uses [Self::retrieve_by_time_filter] to extract all scheduled commands inside
+    /// the time range and then deletes them from the provided store.
+    pub fn delete_by_time_filter<TimeProvider: CcsdsTimeProvider + Clone>(
+        &mut self,
+        time_window: TimeWindow<TimeProvider>,
+        pool: &mut (impl PoolProvider + ?Sized),
+    ) -> Result<u64, (u64, StoreError)> {
+        let range = self.retrieve_by_time_filter(time_window);
+        let mut del_packets = 0;
+        let mut res_if_fails = None;
+        for time_bucket in range {
+            for tc in time_bucket.1 {
+                match pool.delete(tc.addr) {
+                    Ok(_) => del_packets += 1,
+                    Err(e) => res_if_fails = Some(e),
+                }
+            }
+        }
+        if let Some(err) = res_if_fails {
+            return Err((del_packets, err));
+        }
+        Ok(del_packets)
+    }
+
+    pub fn retrieve_all(&mut self) -> Range<'_, UnixTimestamp, Vec<TcInfo>> {
+        self.tc_map.range(..)
+    }
+
+    /// This retrieves scheduled telecommands which are inside the provided time window.
+    pub fn retrieve_by_time_filter<TimeProvider: CcsdsTimeProvider>(
+        &mut self,
+        time_window: TimeWindow<TimeProvider>,
+    ) -> Range<'_, UnixTimestamp, Vec<TcInfo>> {
+        match time_window.time_window_type() {
+            TimeWindowType::SelectAll => self.tc_map.range(..),
+            TimeWindowType::TimeTagToTimeTag => {
+                // This should be guaranteed to be valid by library API, so unwrap is okay
+                let start_time = time_window.start_time().unwrap().unix_stamp();
+                let end_time = time_window.end_time().unwrap().unix_stamp();
+                self.tc_map.range(start_time..=end_time)
+            }
+            TimeWindowType::FromTimeTag => {
+                // This should be guaranteed to be valid by library API, so unwrap is okay
+                let start_time = time_window.start_time().unwrap().unix_stamp();
+                self.tc_map.range(start_time..)
+            }
+            TimeWindowType::ToTimeTag => {
+                // This should be guaranteed to be valid by library API, so unwrap is okay
+                let end_time = time_window.end_time().unwrap().unix_stamp();
+                self.tc_map.range(..=end_time)
+            }
+        }
+    }
+
     /// Deletes a scheduled command with the given request  ID. Returns the store address if a
     /// scheduled command was found in the map and deleted, and None otherwise.
     ///
@@ -375,7 +493,7 @@ impl PusScheduler {
         panic!("unexpected deletion result");
     }
 
-    /// This behaves like [delete_by_request_id] but deletes the packet from the pool as well.
+    /// This behaves like [Self::delete_by_request_id] but deletes the packet from the pool as well.
     pub fn delete_by_request_id_and_from_pool(
         &mut self,
         req_id: &RequestId,
@@ -438,8 +556,9 @@ impl PusScheduler {
     /// # Arguments
     ///
     /// * `releaser` - Closure where the first argument is whether the scheduler is enabled and
-    ///     the second argument is the store address. This closure should return whether the
-    ///     command should be deleted if the scheduler is disabled to prevent memory leaks.
+    ///     the second argument is the telecommand information also containing the store address.
+    ///     This closure should return whether the command should be deleted if the scheduler is
+    ///     disabled to prevent memory leaks.
     /// * `store` - The holding store of the telecommands.
     pub fn release_telecommands<R: FnMut(bool, &TcInfo) -> bool>(
         &mut self,
@@ -541,11 +660,11 @@ mod tests {
         buf: &mut [u8],
         seq_count: u16,
         app_data: Option<&'static [u8]>,
-    ) -> (StoreAddr, RequestId) {
+    ) -> TcInfo {
         let ping_tc = base_ping_tc_simple_ctor(seq_count, app_data);
         let ping_size = ping_tc.write_to_bytes(buf).expect("writing ping TC failed");
         let first_addr = pool.add(&buf[0..ping_size]).unwrap();
-        (first_addr, RequestId::from_tc(&ping_tc))
+        TcInfo::new(first_addr, RequestId::from_tc(&ping_tc))
     }
 
     #[test]
@@ -566,30 +685,30 @@ mod tests {
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
 
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
 
         scheduler
             .insert_unwrapped_and_stored_tc(
                 UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr.clone(), req_id),
+                TcInfo::new(tc_info_0.addr.clone(), tc_info_0.request_id),
             )
             .unwrap();
 
         let app_data = &[0, 1, 2];
-        let (second_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 1, Some(app_data));
+        let tc_info_1 = ping_tc_to_store(&mut pool, &mut buf, 1, Some(app_data));
         scheduler
             .insert_unwrapped_and_stored_tc(
                 UnixTimestamp::new_only_seconds(200),
-                TcInfo::new(second_addr.clone(), req_id),
+                TcInfo::new(tc_info_1.addr.clone(), tc_info_1.request_id),
             )
             .unwrap();
 
         let app_data = &[0, 1, 2];
-        let (third_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 2, Some(app_data));
+        let tc_info_2 = ping_tc_to_store(&mut pool, &mut buf, 2, Some(app_data));
         scheduler
             .insert_unwrapped_and_stored_tc(
                 UnixTimestamp::new_only_seconds(300),
-                TcInfo::new(third_addr.clone(), req_id),
+                TcInfo::new(tc_info_2.addr().clone(), tc_info_2.request_id()),
             )
             .unwrap();
 
@@ -598,9 +717,9 @@ mod tests {
         scheduler.reset(&mut pool).expect("deletion of TCs failed");
         assert!(!scheduler.is_enabled());
         assert_eq!(scheduler.num_scheduled_telecommands(), 0);
-        assert!(!pool.has_element_at(&first_addr).unwrap());
-        assert!(!pool.has_element_at(&second_addr).unwrap());
-        assert!(!pool.has_element_at(&third_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_0.addr()).unwrap());
+        assert!(!pool.has_element_at(&tc_info_1.addr()).unwrap());
+        assert!(!pool.has_element_at(&tc_info_2.addr()).unwrap());
     }
 
     #[test]
@@ -717,26 +836,20 @@ mod tests {
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
 
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
 
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("insertion failed");
 
-        let (second_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 1, None);
+        let tc_info_1 = ping_tc_to_store(&mut pool, &mut buf, 1, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(200),
-                TcInfo::new(second_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(200), tc_info_1)
             .expect("insertion failed");
 
         let mut i = 0;
         let mut test_closure_1 = |boolvar: bool, tc_info: &TcInfo| {
-            common_check(boolvar, &tc_info.addr, vec![first_addr], &mut i);
+            common_check(boolvar, &tc_info.addr, vec![tc_info_0.addr()], &mut i);
             true
         };
 
@@ -754,11 +867,11 @@ mod tests {
             .release_telecommands(&mut test_closure_1, &mut pool)
             .expect("deletion failed");
         assert_eq!(released, 1);
-        assert!(pool.has_element_at(&first_addr).unwrap());
+        assert!(pool.has_element_at(&tc_info_0.addr()).unwrap());
 
         // test 3, late timestamp, release 1 overdue tc
         let mut test_closure_2 = |boolvar: bool, tc_info: &TcInfo| {
-            common_check(boolvar, &tc_info.addr, vec![second_addr], &mut i);
+            common_check(boolvar, &tc_info.addr, vec![tc_info_1.addr()], &mut i);
             true
         };
 
@@ -768,7 +881,7 @@ mod tests {
             .release_telecommands(&mut test_closure_2, &mut pool)
             .expect("deletion failed");
         assert_eq!(released, 1);
-        assert!(pool.has_element_at(&second_addr).unwrap());
+        assert!(pool.has_element_at(&tc_info_1.addr()).unwrap());
 
         //test 4: no tcs left
         scheduler
@@ -786,21 +899,15 @@ mod tests {
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
 
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
 
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("insertion failed");
 
-        let (second_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 1, None);
+        let tc_info_1 = ping_tc_to_store(&mut pool, &mut buf, 1, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(second_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_1)
             .expect("insertion failed");
 
         let mut i = 0;
@@ -808,7 +915,7 @@ mod tests {
             common_check(
                 boolvar,
                 &store_addr.addr,
-                vec![first_addr, second_addr],
+                vec![tc_info_0.addr(), tc_info_1.addr()],
                 &mut i,
             );
             true
@@ -829,8 +936,8 @@ mod tests {
             .release_telecommands(&mut test_closure, &mut pool)
             .expect("deletion failed");
         assert_eq!(released, 2);
-        assert!(pool.has_element_at(&first_addr).unwrap());
-        assert!(pool.has_element_at(&second_addr).unwrap());
+        assert!(pool.has_element_at(&tc_info_0.addr()).unwrap());
+        assert!(pool.has_element_at(&tc_info_1.addr()).unwrap());
 
         //test 3: no tcs left
         released = scheduler
@@ -851,26 +958,20 @@ mod tests {
         scheduler.disable();
 
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
 
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("insertion failed");
 
-        let (second_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 1, None);
+        let tc_info_1 = ping_tc_to_store(&mut pool, &mut buf, 1, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(200),
-                TcInfo::new(second_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(200), tc_info_1)
             .expect("insertion failed");
 
         let mut i = 0;
         let mut test_closure_1 = |boolvar: bool, tc_info: &TcInfo| {
-            common_check_disabled(boolvar, &tc_info.addr, vec![first_addr], &mut i);
+            common_check_disabled(boolvar, &tc_info.addr, vec![tc_info_0.addr()], &mut i);
             true
         };
 
@@ -888,11 +989,11 @@ mod tests {
             .release_telecommands(&mut test_closure_1, &mut pool)
             .expect("deletion failed");
         assert_eq!(released, 1);
-        assert!(!pool.has_element_at(&first_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_0.addr()).unwrap());
 
         // test 3, late timestamp, release 1 overdue tc
         let mut test_closure_2 = |boolvar: bool, tc_info: &TcInfo| {
-            common_check_disabled(boolvar, &tc_info.addr, vec![second_addr], &mut i);
+            common_check_disabled(boolvar, &tc_info.addr, vec![tc_info_1.addr()], &mut i);
             true
         };
 
@@ -902,7 +1003,7 @@ mod tests {
             .release_telecommands(&mut test_closure_2, &mut pool)
             .expect("deletion failed");
         assert_eq!(released, 1);
-        assert!(!pool.has_element_at(&second_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_1.addr()).unwrap());
 
         //test 4: no tcs left
         scheduler
@@ -920,19 +1021,19 @@ mod tests {
 
         let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
         let mut buf: [u8; 32] = [0; 32];
-        let (addr, _) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
 
         let info = scheduler
             .insert_unwrapped_tc(
                 UnixTimestamp::new_only_seconds(100),
-                &buf[..pool.len_of_data(&addr).unwrap()],
+                &buf[..pool.len_of_data(&tc_info_0.addr()).unwrap()],
                 &mut pool,
             )
             .unwrap();
 
-        assert!(pool.has_element_at(&info.addr).unwrap());
+        assert!(pool.has_element_at(&tc_info_0.addr()).unwrap());
 
-        let data = pool.read(&info.addr).unwrap();
+        let data = pool.read(&tc_info_0.addr()).unwrap();
         let check_tc = PusTc::from_bytes(&data).expect("incorrect Pus tc raw data");
         assert_eq!(check_tc.0, base_ping_tc_simple_ctor(0, None));
 
@@ -1126,22 +1227,19 @@ mod tests {
         let mut scheduler =
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("insertion failed");
 
         let mut i = 0;
         let test_closure_1 = |boolvar: bool, tc_info: &TcInfo| {
-            common_check_disabled(boolvar, &tc_info.addr, vec![first_addr], &mut i);
+            common_check_disabled(boolvar, &tc_info.addr, vec![tc_info_0.addr()], &mut i);
             true
         };
 
         // premature deletion
-        pool.delete(first_addr).expect("deletion failed");
+        pool.delete(tc_info_0.addr()).expect("deletion failed");
         // scheduler will only auto-delete if it is disabled.
         scheduler.disable();
         scheduler.update_time(UnixTimestamp::new_only_seconds(100));
@@ -1151,7 +1249,7 @@ mod tests {
         assert_eq!(err.0, 1);
         match err.1 {
             StoreError::DataDoesNotExist(addr) => {
-                assert_eq!(first_addr, addr);
+                assert_eq!(tc_info_0.addr(), addr);
             }
             _ => panic!("unexpected error {}", err.1),
         }
@@ -1163,22 +1261,19 @@ mod tests {
         let mut scheduler =
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("insertion failed");
 
         // premature deletion
-        pool.delete(first_addr).expect("deletion failed");
+        pool.delete(tc_info_0.addr()).expect("deletion failed");
         let reset_res = scheduler.reset(&mut pool);
         assert!(reset_res.is_err());
         let err = reset_res.unwrap_err();
         match err {
             StoreError::DataDoesNotExist(addr) => {
-                assert_eq!(addr, first_addr);
+                assert_eq!(addr, tc_info_0.addr());
             }
             _ => panic!("unexpected error {err}"),
         }
@@ -1190,17 +1285,16 @@ mod tests {
         let mut scheduler =
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("inserting tc failed");
         assert_eq!(scheduler.num_scheduled_telecommands(), 1);
-        let addr = scheduler.delete_by_request_id(&req_id).unwrap();
-        assert!(pool.has_element_at(&addr).unwrap());
-        assert_eq!(addr, first_addr);
+        let addr = scheduler
+            .delete_by_request_id(&tc_info_0.request_id())
+            .unwrap();
+        assert!(pool.has_element_at(&tc_info_0.addr()).unwrap());
+        assert_eq!(tc_info_0.addr(), addr);
         assert_eq!(scheduler.num_scheduled_telecommands(), 0);
     }
 
@@ -1210,18 +1304,16 @@ mod tests {
         let mut scheduler =
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("inserting tc failed");
         assert_eq!(scheduler.num_scheduled_telecommands(), 1);
-        let del_res = scheduler.delete_by_request_id_and_from_pool(&req_id, &mut pool);
+        let del_res =
+            scheduler.delete_by_request_id_and_from_pool(&tc_info_0.request_id(), &mut pool);
         assert!(del_res.is_ok());
         assert_eq!(del_res.unwrap(), true);
-        assert!(!pool.has_element_at(&first_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_0.addr()).unwrap());
         assert_eq!(scheduler.num_scheduled_telecommands(), 0);
     }
 
@@ -1231,48 +1323,41 @@ mod tests {
         let mut scheduler =
             PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
         let mut buf: [u8; 32] = [0; 32];
-        let (first_addr, req_id_0) = ping_tc_to_store(&mut pool, &mut buf, 0, None);
+        let tc_info_0 = ping_tc_to_store(&mut pool, &mut buf, 0, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(first_addr, req_id_0),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_0)
             .expect("inserting tc failed");
-        let (second_addr, req_id_1) = ping_tc_to_store(&mut pool, &mut buf, 1, None);
+        let tc_info_1 = ping_tc_to_store(&mut pool, &mut buf, 1, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(second_addr, req_id_1),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_1)
             .expect("inserting tc failed");
-        let (third_addr, req_id_2) = ping_tc_to_store(&mut pool, &mut buf, 2, None);
+        let tc_info_2 = ping_tc_to_store(&mut pool, &mut buf, 2, None);
         scheduler
-            .insert_unwrapped_and_stored_tc(
-                UnixTimestamp::new_only_seconds(100),
-                TcInfo::new(third_addr, req_id_2),
-            )
+            .insert_unwrapped_and_stored_tc(UnixTimestamp::new_only_seconds(100), tc_info_2)
             .expect("inserting tc failed");
         assert_eq!(scheduler.num_scheduled_telecommands(), 3);
 
         // Delete first packet
-        let addr_0 = scheduler.delete_by_request_id(&req_id_0);
+        let addr_0 = scheduler.delete_by_request_id(&tc_info_0.request_id());
         assert!(addr_0.is_some());
-        assert_eq!(addr_0.unwrap(), first_addr);
-        assert!(pool.has_element_at(&first_addr).unwrap());
+        assert_eq!(addr_0.unwrap(), tc_info_0.addr());
+        assert!(pool.has_element_at(&tc_info_0.addr()).unwrap());
         assert_eq!(scheduler.num_scheduled_telecommands(), 2);
 
         // Delete next packet
-        let del_res = scheduler.delete_by_request_id_and_from_pool(&req_id_2, &mut pool);
+        let del_res =
+            scheduler.delete_by_request_id_and_from_pool(&tc_info_2.request_id(), &mut pool);
         assert!(del_res.is_ok());
         assert_eq!(del_res.unwrap(), true);
-        assert!(!pool.has_element_at(&third_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_2.addr()).unwrap());
         assert_eq!(scheduler.num_scheduled_telecommands(), 1);
 
         // Delete last packet
-        let addr_1 = scheduler.delete_by_request_id_and_from_pool(&req_id_1, &mut pool);
+        let addr_1 =
+            scheduler.delete_by_request_id_and_from_pool(&tc_info_1.request_id(), &mut pool);
         assert!(addr_1.is_ok());
         assert_eq!(addr_1.unwrap(), true);
-        assert!(!pool.has_element_at(&second_addr).unwrap());
+        assert!(!pool.has_element_at(&tc_info_1.addr()).unwrap());
         assert_eq!(scheduler.num_scheduled_telecommands(), 0);
     }
 
@@ -1299,4 +1384,150 @@ mod tests {
             _ => panic!("unexpected error {err}"),
         }
     }
+
+    fn insert_command_with_release_time(
+        pool: &mut LocalPool,
+        scheduler: &mut PusScheduler,
+        seq_count: u16,
+        release_secs: u64,
+    ) -> TcInfo {
+        let mut buf: [u8; 32] = [0; 32];
+        let tc_info = ping_tc_to_store(pool, &mut buf, seq_count, None);
+
+        scheduler
+            .insert_unwrapped_and_stored_tc(
+                UnixTimestamp::new_only_seconds(release_secs as i64),
+                tc_info,
+            )
+            .expect("inserting tc failed");
+        tc_info
+    }
+
+    #[test]
+    fn test_time_window_retrieval_select_all() {
+        let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
+        let mut scheduler =
+            PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
+        let tc_info_0 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 50);
+        let tc_info_1 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 100);
+        assert_eq!(scheduler.num_scheduled_telecommands(), 2);
+        let check_range = |range: Range<UnixTimestamp, Vec<TcInfo>>| {
+            let mut tcs_in_range = 0;
+            for (idx, time_bucket) in range.enumerate() {
+                tcs_in_range += 1;
+                if idx == 0 {
+                    assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(50));
+                    assert_eq!(time_bucket.1.len(), 1);
+                    assert_eq!(time_bucket.1[0].request_id, tc_info_0.request_id);
+                } else if idx == 1 {
+                    assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(100));
+                    assert_eq!(time_bucket.1.len(), 1);
+                    assert_eq!(time_bucket.1[0].request_id, tc_info_1.request_id);
+                }
+            }
+            assert_eq!(tcs_in_range, 2);
+        };
+        let range = scheduler.retrieve_all();
+        check_range(range);
+        let range =
+            scheduler.retrieve_by_time_filter(TimeWindow::<cds::TimeProvider>::new_select_all());
+        check_range(range);
+    }
+
+    #[test]
+    fn test_time_window_retrieval_select_from_stamp() {
+        let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
+        let mut scheduler =
+            PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
+        let _ = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 50);
+        let tc_info_1 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 100);
+        let tc_info_2 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 150);
+        let start_stamp =
+            cds::TimeProvider::from_unix_secs_with_u16_days(&UnixTimestamp::new_only_seconds(100))
+                .expect("creating start stamp failed");
+        let time_window = TimeWindow::new_from_time(&start_stamp);
+        assert_eq!(scheduler.num_scheduled_telecommands(), 3);
+
+        let range = scheduler.retrieve_by_time_filter(time_window);
+        let mut tcs_in_range = 0;
+        for (idx, time_bucket) in range.enumerate() {
+            tcs_in_range += 1;
+            if idx == 0 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(100));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_1.request_id());
+            } else if idx == 1 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(150));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_2.request_id());
+            }
+        }
+        assert_eq!(tcs_in_range, 2);
+    }
+
+    #[test]
+    fn test_time_window_retrieval_select_to_stamp() {
+        let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
+        let mut scheduler =
+            PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
+        let tc_info_0 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 50);
+        let tc_info_1 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 100);
+        let _ = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 150);
+        assert_eq!(scheduler.num_scheduled_telecommands(), 3);
+
+        let end_stamp =
+            cds::TimeProvider::from_unix_secs_with_u16_days(&UnixTimestamp::new_only_seconds(100))
+                .expect("creating start stamp failed");
+        let time_window = TimeWindow::new_to_time(&end_stamp);
+        let range = scheduler.retrieve_by_time_filter(time_window);
+        let mut tcs_in_range = 0;
+        for (idx, time_bucket) in range.enumerate() {
+            tcs_in_range += 1;
+            if idx == 0 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(50));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_0.request_id());
+            } else if idx == 1 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(100));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_1.request_id());
+            }
+        }
+        assert_eq!(tcs_in_range, 2);
+    }
+
+    #[test]
+    fn test_time_window_retrieval_select_from_to_stamp() {
+        let mut pool = LocalPool::new(PoolCfg::new(vec![(10, 32), (5, 64)]));
+        let mut scheduler =
+            PusScheduler::new(UnixTimestamp::new_only_seconds(0), Duration::from_secs(5));
+        let _ = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 50);
+        let tc_info_1 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 100);
+        let tc_info_2 = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 150);
+        let _ = insert_command_with_release_time(&mut pool, &mut scheduler, 0, 200);
+        assert_eq!(scheduler.num_scheduled_telecommands(), 4);
+
+        let start_stamp =
+            cds::TimeProvider::from_unix_secs_with_u16_days(&UnixTimestamp::new_only_seconds(100))
+                .expect("creating start stamp failed");
+        let end_stamp =
+            cds::TimeProvider::from_unix_secs_with_u16_days(&UnixTimestamp::new_only_seconds(150))
+                .expect("creating end stamp failed");
+        let time_window = TimeWindow::new_from_time_to_time(&start_stamp, &end_stamp);
+        let range = scheduler.retrieve_by_time_filter(time_window);
+        let mut tcs_in_range = 0;
+        for (idx, time_bucket) in range.enumerate() {
+            tcs_in_range += 1;
+            if idx == 0 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(100));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_1.request_id());
+            } else if idx == 1 {
+                assert_eq!(*time_bucket.0, UnixTimestamp::new_only_seconds(15 0));
+                assert_eq!(time_bucket.1.len(), 1);
+                assert_eq!(time_bucket.1[0].request_id, tc_info_2.request_id());
+            }
+        }
+        assert_eq!(tcs_in_range, 2);
+    }
 }