Add acknowledged destination handler

examples/python-interop/README.md

@@ -12,13 +12,13 @@ You can run both applications with `-h` to get more information about the availa
 ## Running the Python App
 
 It is recommended to run the Python App in a dedicated virtual environment. For example, on a
-Unix system you can use `python3 -m venv venv` and then `source venv/bin/activate` to create
+Unix system you can use `uv venv` and then `source .venv/bin/activate` to create
 and activate a virtual environment.
 
 After that, you can install the required dependencies using
 
 ```sh
-pip install -r requirements.txt
+uv pip install -r requirements.txt
 ```
 
 and then run the application using `./main.py` or `python3 main.py`.

examples/python-interop/main.py

@@ -16,11 +16,11 @@ from typing import Any, Dict, List, Tuple, Optional
 from multiprocessing import Queue
 from queue import Empty
 
-from cfdppy.handler import DestHandler, RemoteEntityCfgTable, SourceHandler
+from cfdppy.handler import DestHandler, RemoteEntityConfigTable, SourceHandler
 from cfdppy.exceptions import InvalidDestinationId, SourceFileDoesNotExist
 from cfdppy import (
     CfdpUserBase,
-    LocalEntityCfg,
+    LocalEntityConfig,
     PacketDestination,
     PutRequest,
     TransactionId,
@@ -31,8 +31,8 @@ from cfdppy.mib import (
     CheckTimerProvider,
     DefaultFaultHandlerBase,
     EntityType,
-    IndicationCfg,
-    RemoteEntityCfg,
+    IndicationConfig,
+    RemoteEntityConfig,
 )
 from cfdppy.user import (
     FileSegmentRecvdParams,
@@ -58,7 +58,7 @@ from spacepackets.util import ByteFieldU16, UnsignedByteField
 PYTHON_ENTITY_ID = ByteFieldU16(1)
 RUST_ENTITY_ID = ByteFieldU16(2)
 # Enable all indications for both local and remote entity.
-INDICATION_CFG = IndicationCfg()
+INDICATION_CFG = IndicationConfig()
 
 BASE_STR_SRC = "PY SRC"
 BASE_STR_DEST = "PY DEST"
@@ -79,7 +79,7 @@ DEST_ENTITY_QUEUE = Queue()
 # be sent by the UDP server.
 TM_QUEUE = Queue()
 
-REMOTE_CFG_OF_PY_ENTITY = RemoteEntityCfg(
+REMOTE_CFG_OF_PY_ENTITY = RemoteEntityConfig(
     entity_id=PYTHON_ENTITY_ID,
     max_packet_len=MAX_PACKET_LEN,
     max_file_segment_len=FILE_SEGMENT_SIZE,
@@ -585,7 +585,7 @@ def main():
 
     logging.basicConfig(level=logging_level)
 
-    remote_cfg_table = RemoteEntityCfgTable()
+    remote_cfg_table = RemoteEntityConfigTable()
     remote_cfg_table.add_config(REMOTE_CFG_OF_REMOTE_ENTITY)
 
     src_fault_handler = CfdpFaultHandler(BASE_STR_SRC)
@@ -594,7 +594,7 @@ def main():
     src_user = CfdpUser(BASE_STR_SRC, PUT_REQ_QUEUE)
     check_timer_provider = CustomCheckTimerProvider()
     source_handler = SourceHandler(
-        cfg=LocalEntityCfg(PYTHON_ENTITY_ID, INDICATION_CFG, src_fault_handler),
+        cfg=LocalEntityConfig(PYTHON_ENTITY_ID, INDICATION_CFG, src_fault_handler),
         seq_num_provider=src_seq_count_provider,
         remote_cfg_table=remote_cfg_table,
         user=src_user,
@@ -614,7 +614,7 @@ def main():
     dest_fault_handler = CfdpFaultHandler(BASE_STR_DEST)
     dest_user = CfdpUser(BASE_STR_DEST, PUT_REQ_QUEUE)
     dest_handler = DestHandler(
-        cfg=LocalEntityCfg(PYTHON_ENTITY_ID, INDICATION_CFG, dest_fault_handler),
+        cfg=LocalEntityConfig(PYTHON_ENTITY_ID, INDICATION_CFG, dest_fault_handler),
         user=dest_user,
         remote_cfg_table=remote_cfg_table,
         check_timer_provider=check_timer_provider,

examples/python-interop/main.rs

@@ -12,10 +12,11 @@ use std::{
 };
 
 use cfdp::{
-    EntityType, IndicationConfig, LocalEntityConfig, PduOwnedWithInfo, PduProvider,
-    RemoteEntityConfig, StdTimerCreator, TransactionId, UserFaultHookProvider,
+    EntityType, FaultInfo, IndicationConfig, LocalEntityConfig, PduOwnedWithInfo, PduProvider,
+    RemoteEntityConfig, StdTimerCreator, TransactionId, UserFaultHook,
     dest::DestinationHandler,
     filestore::NativeFilestore,
+    lost_segments::LostSegmentsList,
     request::{PutRequestOwned, StaticPutRequestCacher},
     source::SourceHandler,
     user::{CfdpUser, FileSegmentRecvdParams, MetadataReceivedParams, TransactionFinishedParams},
@@ -62,43 +63,21 @@ pub struct Cli {
 #[derive(Default)]
 pub struct ExampleFaultHandler {}
 
-impl UserFaultHookProvider for ExampleFaultHandler {
-    fn notice_of_suspension_cb(
-        &mut self,
-        transaction_id: TransactionId,
-        cond: ConditionCode,
-        progress: u64,
-    ) {
-        panic!(
-            "unexpected suspension of transaction {:?}, condition code {:?}, progress {}",
-            transaction_id, cond, progress
-        );
+impl UserFaultHook for ExampleFaultHandler {
+    fn notice_of_suspension_cb(&mut self, fault_info: FaultInfo) {
+        panic!("unexpected suspension, {:?}", fault_info);
     }
 
-    fn notice_of_cancellation_cb(
-        &mut self,
-        transaction_id: TransactionId,
-        cond: ConditionCode,
-        progress: u64,
-    ) {
-        panic!(
-            "unexpected cancellation of transaction {:?}, condition code {:?}, progress {}",
-            transaction_id, cond, progress
-        );
+    fn notice_of_cancellation_cb(&mut self, fault_info: FaultInfo) {
+        panic!("unexpected cancellation, {:?}", fault_info);
     }
 
-    fn abandoned_cb(&mut self, transaction_id: TransactionId, cond: ConditionCode, progress: u64) {
-        panic!(
-            "unexpected abandonment of transaction {:?}, condition code {:?}, progress {}",
-            transaction_id, cond, progress
-        );
+    fn abandoned_cb(&mut self, fault_info: FaultInfo) {
+        panic!("unexpected abandonment, {:?}", fault_info);
     }
 
-    fn ignore_cb(&mut self, transaction_id: TransactionId, cond: ConditionCode, progress: u64) {
-        panic!(
-            "ignoring unexpected error in transaction {:?}, condition code {:?}, progress {}",
-            transaction_id, cond, progress
-        );
+    fn ignore_cb(&mut self, fault_info: FaultInfo) {
+        panic!("unexpected ignore, {:?}", fault_info);
     }
 }
 
@@ -261,7 +240,7 @@ impl UdpServer {
             while let Ok(tm) = receiver.try_recv() {
                 debug!("Sending PDU: {:?}", tm);
                 pdu_printout(&tm);
-                let result = self.socket.send_to(tm.pdu(), self.remote_addr());
+                let result = self.socket.send_to(tm.raw_pdu(), self.remote_addr());
                 if let Err(e) = result {
                     warn!("Sending TM with UDP socket failed: {e}")
                 }
@@ -284,7 +263,7 @@ fn pdu_printout(pdu: &PduOwnedWithInfo) {
             spacepackets::cfdp::pdu::FileDirectiveType::AckPdu => (),
             spacepackets::cfdp::pdu::FileDirectiveType::MetadataPdu => {
                 let meta_pdu =
-                    MetadataPduReader::new(pdu.pdu()).expect("creating metadata pdu failed");
+                    MetadataPduReader::new(pdu.raw_pdu()).expect("creating metadata pdu failed");
                 debug!("Metadata PDU: {:?}", meta_pdu)
             }
             spacepackets::cfdp::pdu::FileDirectiveType::NakPdu => (),
@@ -292,7 +271,8 @@ fn pdu_printout(pdu: &PduOwnedWithInfo) {
             spacepackets::cfdp::pdu::FileDirectiveType::KeepAlivePdu => (),
         },
         spacepackets::cfdp::PduType::FileData => {
-            let fd_pdu = FileDataPdu::from_bytes(pdu.pdu()).expect("creating file data pdu failed");
+            let fd_pdu =
+                FileDataPdu::from_bytes(pdu.raw_pdu()).expect("creating file data pdu failed");
             debug!("File data PDU: {:?}", fd_pdu);
         }
     }
@@ -367,6 +347,7 @@ fn main() {
         NativeFilestore::default(),
         remote_cfg_python,
         StdTimerCreator::default(),
+        LostSegmentsList::default(),
     );
     let mut cfdp_user_dest = ExampleCfdpUser::new(EntityType::Receiving);