CHANGELOG.md

@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   classes. The old `PusTm` class is deprecated now.
 - Implement `Display` and `Error` for `StdTimestampError` properly.
 - Remove some redundant `Error` suffixes for enum error variants.
+- `CommonPduConfig`: `new_with_defaults` replaced by `new_with_byte_fields`.
 
 ## Added
 
@@ -29,6 +30,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   call `user_data` but are also in line with the PUS packet standard names for those fields.
 - Added new marker trait `IsPusTelemetry` implemented by `PusTmCreator` and `PusTmReader`.
 - Added new marker trait `IsPusTelecommand` implemented by `PusTcCreator` and `PusTcReader`.
+- `metadata_param` getter method for the `MetadataPdu` object.
+- `Default` impl for CFDP `ChecksumType`
+- `Default` impl for CFDP `CommonPduConfig`
+
+## Fixed
+
+- All `MetadataGenericParam` fields are now public.
 - New setter method `set_source_and_dest_id` for `CommonPduConfig`.
 
 # [v0.6.0] 2023-07-06

src/cfdp/mod.rs

@@ -134,6 +134,12 @@ pub enum ChecksumType {
     NullChecksum = 15,
 }
 
+impl Default for ChecksumType {
+    fn default() -> Self {
+        Self::NullChecksum
+    }
+}
+
 pub const NULL_CHECKSUM_U32: [u8; 4] = [0; 4];
 
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]

src/cfdp/pdu/file_data.rs

@@ -235,7 +235,7 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_num = UbfU8::new(3);
         let common_conf =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num).unwrap();
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num).unwrap();
         let pdu_header = PduHeader::new_for_file_data_default(common_conf, 0);
         let file_data: [u8; 4] = [1, 2, 3, 4];
         let fd_pdu = FileDataPdu::new_no_seg_metadata(pdu_header, 10, &file_data);
@@ -254,7 +254,7 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_num = UbfU8::new(3);
         let common_conf =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num).unwrap();
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num).unwrap();
         let pdu_header = PduHeader::new_for_file_data_default(common_conf, 0);
         let file_data: [u8; 4] = [1, 2, 3, 4];
         let fd_pdu = FileDataPdu::new_no_seg_metadata(pdu_header, 10, &file_data);
@@ -289,7 +289,7 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_num = UbfU8::new(3);
         let common_conf =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num).unwrap();
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num).unwrap();
         let pdu_header = PduHeader::new_for_file_data_default(common_conf, 0);
         let file_data: [u8; 4] = [1, 2, 3, 4];
         let fd_pdu = FileDataPdu::new_no_seg_metadata(pdu_header, 10, &file_data);
@@ -307,7 +307,7 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_num = UbfU8::new(3);
         let common_conf =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num).unwrap();
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num).unwrap();
         let pdu_header = PduHeader::new_for_file_data(
             common_conf,
             0,
@@ -372,7 +372,7 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_num = UbfU8::new(3);
         let common_conf =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num).unwrap();
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num).unwrap();
         let pdu_header = PduHeader::new_for_file_data(
             common_conf,
             0,

src/cfdp/pdu/metadata.rs

@@ -11,12 +11,12 @@ use alloc::vec::Vec;
 #[cfg(feature = "serde")]
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, PartialEq, Eq)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub struct MetadataGenericParams {
-    closure_requested: bool,
+    pub closure_requested: bool,
-    checksum_type: ChecksumType,
+    pub checksum_type: ChecksumType,
-    file_size: u64,
+    pub file_size: u64,
 }
 
 impl MetadataGenericParams {
@@ -145,6 +145,10 @@ impl<'src_name, 'dest_name, 'opts> MetadataPdu<'src_name, 'dest_name, 'opts> {
         pdu
     }
 
+    pub fn metadata_params(&self) -> &MetadataGenericParams {
+        &self.metadata_params
+    }
+
     pub fn src_file_name(&self) -> Lv<'src_name> {
         self.src_file_name
     }

src/cfdp/pdu/mod.rs

@@ -1,6 +1,6 @@
 //! CFDP Packet Data Unit (PDU) support.
 use crate::cfdp::*;
-use crate::util::{UnsignedByteField, UnsignedEnum};
+use crate::util::{UnsignedByteField, UnsignedByteFieldU8, UnsignedEnum};
 use crate::CRC_CCITT_FALSE;
 use crate::{ByteConversionError, SizeMissmatch};
 use core::fmt::{Display, Formatter};
@@ -190,7 +190,7 @@ impl CommonPduConfig {
         })
     }
 
-    pub fn new_with_defaults(
+    pub fn new_with_byte_fields(
         source_id: impl Into<UnsignedByteField>,
         dest_id: impl Into<UnsignedByteField>,
         transaction_seq_num: impl Into<UnsignedByteField>,
@@ -248,6 +248,24 @@ impl CommonPduConfig {
     }
 }
 
+impl Default for CommonPduConfig {
+    /// The defaults for the source ID, destination ID and the transaction sequence number is the
+    /// [UnsignedByteFieldU8] with an intitial value of 0
+    fn default() -> Self {
+        // The new function can not fail for these input parameters.
+        Self::new(
+            UnsignedByteFieldU8::new(0),
+            UnsignedByteFieldU8::new(0),
+            UnsignedByteFieldU8::new(0),
+            TransmissionMode::Acknowledged,
+            LargeFileFlag::Normal,
+            CrcFlag::NoCrc,
+            Direction::TowardsReceiver,
+        )
+        .unwrap()
+    }
+}
+
 pub const FIXED_HEADER_LEN: usize = 4;
 
 /// Abstraction for the PDU header common to all CFDP PDUs.
@@ -593,8 +611,9 @@ mod tests {
         let src_id = UbfU8::new(5);
         let dest_id = UbfU8::new(10);
         let transaction_seq_num = UbfU8::new(20);
-        let mut pdu_conf = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_num)
+        let mut pdu_conf =
-            .expect("Generating common PDU config");
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_num)
+                .expect("Generating common PDU config");
         pdu_conf.crc_flag = crc_flag;
         pdu_conf.file_flag = fss;
         pdu_conf
@@ -666,7 +685,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         assert_eq!(pdu_header.pdu_type(), PduType::FileDirective);
@@ -686,12 +705,25 @@ mod tests {
     }
 
     #[test]
+    fn test_basic_state_default() {
+        let default_conf = CommonPduConfig::default();
+        assert_eq!(default_conf.source_id(), UnsignedByteFieldU8::new(0).into());
+        assert_eq!(default_conf.dest_id(), UnsignedByteFieldU8::new(0).into());
+        assert_eq!(
+            default_conf.transaction_seq_num,
+            UnsignedByteFieldU8::new(0).into()
+        );
+        assert_eq!(default_conf.trans_mode, TransmissionMode::Acknowledged);
+        assert_eq!(default_conf.direction, Direction::TowardsReceiver);
+        assert_eq!(default_conf.crc_flag, CrcFlag::NoCrc);
+        assert_eq!(default_conf.file_flag, LargeFileFlag::Normal);
+    }
     fn test_pdu_header_setter() {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
         let mut common_pdu_cfg =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
                 .expect("common config creation failed");
         let other_src_id = UnsignedByteFieldU16::new(5);
         let other_dest_id = UnsignedByteFieldU16::new(6);
@@ -706,7 +738,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];
@@ -722,7 +754,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];
@@ -741,7 +773,7 @@ mod tests {
         let dest_id = UnsignedByteFieldU16::new(0x0203);
         let transaction_id = UnsignedByteFieldU16::new(0x0405);
         let mut common_pdu_cfg =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
                 .expect("common config creation failed");
         common_pdu_cfg.crc_flag = CrcFlag::WithCrc;
         common_pdu_cfg.direction = Direction::TowardsSender;
@@ -768,7 +800,7 @@ mod tests {
         let dest_id = UnsignedByteFieldU16::new(0x0203);
         let transaction_id = UnsignedByteFieldU16::new(0x0405);
         let mut common_pdu_cfg =
-            CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
                 .expect("common config creation failed");
         common_pdu_cfg.crc_flag = CrcFlag::WithCrc;
         common_pdu_cfg.direction = Direction::TowardsSender;
@@ -795,7 +827,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];
@@ -834,7 +866,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];
@@ -857,7 +889,8 @@ mod tests {
         let dest_id = UbfU8::new(2);
         let transaction_seq_id = UbfU8::new(3);
         let invalid_byte_field = UnsignedByteField::new(3, 5);
-        let pdu_conf_res = CommonPduConfig::new_with_defaults(src_id, dest_id, invalid_byte_field);
+        let pdu_conf_res =
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, invalid_byte_field);
         assert!(pdu_conf_res.is_err());
         let error = pdu_conf_res.unwrap_err();
         if let PduError::InvalidTransactionSeqNumLen(len) = error {
@@ -865,7 +898,7 @@ mod tests {
         } else {
             panic!("Invalid exception: {}", error)
         }
-        let pdu_conf_res = CommonPduConfig::new_with_defaults(
+        let pdu_conf_res = CommonPduConfig::new_with_byte_fields(
             invalid_byte_field,
             invalid_byte_field,
             transaction_seq_id,
@@ -883,7 +916,8 @@ mod tests {
         let src_id = UnsignedByteField::new(1, 5);
         let dest_id = UnsignedByteField::new(2, 5);
         let transaction_seq_id = UbfU8::new(3);
-        let pdu_conf_res = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_seq_id);
+        let pdu_conf_res =
+            CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_seq_id);
         assert!(pdu_conf_res.is_err());
         let error = pdu_conf_res.unwrap_err();
         if let PduError::SourceDestIdLenMissmatch((src_len, dest_len)) = error {
@@ -897,7 +931,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];
@@ -921,7 +955,7 @@ mod tests {
         let src_id = UnsignedByteFieldU8::new(1);
         let dest_id = UnsignedByteFieldU8::new(2);
         let transaction_id = UnsignedByteFieldU8::new(3);
-        let common_pdu_cfg = CommonPduConfig::new_with_defaults(src_id, dest_id, transaction_id)
+        let common_pdu_cfg = CommonPduConfig::new_with_byte_fields(src_id, dest_id, transaction_id)
             .expect("common config creation failed");
         let pdu_header = PduHeader::new_no_file_data(common_pdu_cfg, 5);
         let mut buf: [u8; 7] = [0; 7];