rust/cfdp
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This commit is contained in:
Robin Müller 2024-11-08 16:01:20 +01:00
parent 1103203e64
commit 65d2fbff73
7 changed files with 64 additions and 144 deletions
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5
CHANGELOG.md
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@ -8,6 +8,11 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
# [unreleased]
- Bumped `thiserror` to v2
- Bumped `spacepackets` to v0.13
- The source and destination handlers can now be used without the `std` feature and only require
the `alloc` feature.
# [v0.1.0] 2024-09-11
Initial release

15
Cargo.toml
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@ -18,18 +18,19 @@ name = "cfdp"
[dependencies]
crc = "3"
smallvec = "1"
derive-new = "0.6"
derive-new = ">=0.6, <=0.7"
[dependencies.spacepackets]
version = "0.12"
version = "0.13"
default-features = false
path = "../spacepackets"
[dependencies.thiserror]
version = "1"
optional = true
version = "2"
default-features = false
[dependencies.hashbrown]
version = "0.14"
version = ">=0.14, <=0.15"
optional = true
[dependencies.serde]
@ -44,7 +45,7 @@ optional = true
default = ["std"]
std = [
"alloc",
"thiserror",
"thiserror/std",
"spacepackets/std"
]
alloc = [
@ -58,7 +59,7 @@ defmt = ["dep:defmt", "spacepackets/defmt"]
tempfile = "3"
rand = "0.8"
log = "0.4"
fern = "0.6"
fern = "0.7"
chrono = "0.4"
clap = { version = "4", features = ["derive"] }

13
README.md
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@ -14,14 +14,13 @@ The underlying base packet library used to generate the packets to be sent is th
# Features
The goal of this library is to be flexible enough to support the use-cases of both on-board
software and of ground software. It has support to make integration on [std] systems as simple
as possible, but also has sufficient abstraction to allow for integration on`no_std` environments.
Currently, the handlers still require the [std] feature until
[thiserror supports `error_in_core`](https://github.com/dtolnay/thiserror/pull/304).
software and of ground software. It has support to make integration on `std` systems as simple
as possible, but also has sufficient abstraction to allow for integration on`no_std` environments
and can be used on these systems as well as long as the `alloc` feature is activated.
It is recommended to activate the `alloc` feature at the very least to allow using the primary
components provided by this crate. These components will only allocate memory at initialization
time and thus are still viable for systems where run-time allocation is prohibited.
Please note even though the `alloc` feature is required for the core handlers, these components
will only allocate memory at initialization time and thus are still viable for systems where
run-time allocation is prohibited.
## Default features

4
src/dest.rs
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@ -55,7 +55,6 @@ use spacepackets::{
},
util::{UnsignedByteField, UnsignedEnum},
};
use thiserror::Error;
#[derive(Debug)]
struct FileProperties {
@ -189,7 +188,7 @@ impl<CheckTimer: CountdownProvider> TransactionParams<CheckTimer> {
}
}
#[derive(Debug, Error)]
#[derive(Debug, thiserror::Error)]
pub enum DestError {
/// File directive expected, but none specified
#[error("expected file directive")]
@ -215,6 +214,7 @@ pub enum DestError {
#[error("pdu error {0}")]
Pdu(#[from] PduError),
#[error("io error {0}")]
#[cfg(feature = "std")]
Io(#[from] std::io::Error),
#[error("file store error {0}")]
Filestore(#[from] FilestoreError),

124
src/filestore.rs
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@ -1,103 +1,38 @@
use alloc::string::{String, ToString};
use core::fmt::Display;
use spacepackets::cfdp::ChecksumType;
use spacepackets::ByteConversionError;
#[cfg(feature = "std")]
use std::error::Error;
use std::path::Path;
#[cfg(feature = "std")]
pub use std_mod::*;
#[derive(Debug, Clone)]
#[derive(Debug, thiserror::Error)]
#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "defmt", derive(defmt::Format))]
#[non_exhaustive]
pub enum FilestoreError {
#[error("file does not exist")]
FileDoesNotExist,
#[error("file already exists")]
FileAlreadyExists,
#[error("directory does not exist")]
DirDoesNotExist,
#[error("permission error")]
Permission,
#[error("is not a file")]
IsNotFile,
#[error("is not a directory")]
IsNotDirectory,
ByteConversion(ByteConversionError),
Io {
raw_errno: Option<i32>,
string: String,
},
#[error("byte conversion: {0}")]
ByteConversion(#[from] ByteConversionError),
#[error("IO error: {0})")]
#[cfg(feature = "std")]
Io(#[from] std::io::Error),
#[error("checksum type not implemented: {0:?}")]
ChecksumTypeNotImplemented(ChecksumType),
#[error("utf8 error")]
Utf8Error,
#[error("other error")]
Other,
}
impl From<ByteConversionError> for FilestoreError {
fn from(value: ByteConversionError) -> Self {
Self::ByteConversion(value)
}
}
impl Display for FilestoreError {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
match self {
FilestoreError::FileDoesNotExist => {
write!(f, "file does not exist")
}
FilestoreError::FileAlreadyExists => {
write!(f, "file already exists")
}
FilestoreError::DirDoesNotExist => {
write!(f, "directory does not exist")
}
FilestoreError::Permission => {
write!(f, "permission error")
}
FilestoreError::IsNotFile => {
write!(f, "is not a file")
}
FilestoreError::IsNotDirectory => {
write!(f, "is not a directory")
}
FilestoreError::ByteConversion(e) => {
write!(f, "filestore error: {e}")
}
FilestoreError::Io { raw_errno, string } => {
write!(
f,
"filestore generic IO error with raw errno {:?}: {}",
raw_errno, string
)
}
FilestoreError::ChecksumTypeNotImplemented(checksum_type) => {
write!(f, "checksum {:?} not implemented", checksum_type)
}
FilestoreError::Utf8Error => {
write!(f, "utf8 error")
}
FilestoreError::Other => {
write!(f, "some filestore error occured")
}
}
}
}
impl Error for FilestoreError {
fn source(&self) -> Option<&(dyn Error + 'static)> {
match self {
FilestoreError::ByteConversion(e) => Some(e),
_ => None,
}
}
}
#[cfg(feature = "std")]
impl From<std::io::Error> for FilestoreError {
fn from(value: std::io::Error) -> Self {
Self::Io {
raw_errno: value.raw_os_error(),
string: value.to_string(),
}
}
}
pub trait VirtualFilestore {
fn create_file(&self, file_path: &str) -> Result<(), FilestoreError>;
@ -122,14 +57,7 @@ pub trait VirtualFilestore {
fn filename_from_full_path(path: &str) -> Option<&str>
where
Self: Sized,
{
// Convert the path string to a Path
let path = Path::new(path);
// Extract the file name using the file_name() method
path.file_name().and_then(|name| name.to_str())
}
Self: Sized;
fn is_file(&self, path: &str) -> Result<bool, FilestoreError>;
@ -193,7 +121,7 @@ pub mod std_mod {
use super::*;
use std::{
fs::{self, File, OpenOptions},
io::{BufReader, Read, Seek, SeekFrom, Write},
io::{BufReader, Read, Seek, SeekFrom, Write}, path::Path,
};
#[derive(Default)]
@ -241,10 +169,7 @@ pub mod std_mod {
}
fn create_dir(&self, dir_path: &str) -> Result<(), FilestoreError> {
fs::create_dir(dir_path).map_err(|e| FilestoreError::Io {
raw_errno: e.raw_os_error(),
string: e.to_string(),
})?;
fs::create_dir(dir_path)?;
Ok(())
}
@ -358,6 +283,17 @@ pub mod std_mod {
_ => Err(FilestoreError::ChecksumTypeNotImplemented(checksum_type)),
}
}
fn filename_from_full_path(path: &str) -> Option<&str>
where
Self: Sized,
{
// Convert the path string to a Path
let path = Path::new(path);
// Extract the file name using the file_name() method
path.file_name().and_then(|name| name.to_str())
}
}
impl NativeFilestore {
@ -393,7 +329,7 @@ pub mod std_mod {
#[cfg(test)]
mod tests {
use std::{fs, path::Path, println};
use std::{fs, path::Path, println, string::ToString};
use super::*;
use alloc::format;

28
src/lib.rs
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@ -14,11 +14,12 @@
//! The goal of this library is to be flexible enough to support the use-cases of both on-board
//! software and of ground software. It has support to make integration on [std] systems as simple
//! as possible, but also has sufficient abstraction to allow for integration on `no_std`
//! environments. Currently, the handlers still require the [std] feature until
//! [thiserror supports `error_in_core`](https://github.com/dtolnay/thiserror/pull/304).
//! It is recommended to activate the `alloc` feature at the very least to allow using the primary
//! components provided by this crate. These components will only allocate memory at initialization
//! time and thus are still viable for systems where run-time allocation is prohibited.
//! environments and can be used on these systems as well as long as the [alloc] feature is used
//! as well.
//!
//! Please note even though the [alloc] feature is required for the core handlers, these components
//! will only allocate memory at initialization time and thus are still viable for systems where
//! run-time allocation is prohibited.
//!
//! The core of this library are the [crate::dest::DestinationHandler] and the
//! [crate::source::SourceHandler] components which model the CFDP destination and source entity
@ -70,12 +71,11 @@ extern crate alloc;
#[cfg(any(feature = "std", test))]
extern crate std;
#[cfg(feature = "std")]
pub mod dest;
#[cfg(feature = "alloc")]
pub mod dest;
pub mod filestore;
pub mod request;
#[cfg(feature = "std")]
#[cfg(feature = "alloc")]
pub mod source;
pub mod time;
pub mod user;
@ -83,8 +83,6 @@ pub mod user;
use crate::time::CountdownProvider;
use core::{cell::RefCell, fmt::Debug, hash::Hash};
use crc::{Crc, CRC_32_ISCSI, CRC_32_ISO_HDLC};
#[cfg(feature = "std")]
use hashbrown::HashMap;
#[cfg(feature = "alloc")]
pub use alloc_mod::*;
@ -288,12 +286,12 @@ pub trait RemoteEntityConfigProvider {
fn remove_config(&mut self, remote_id: u64) -> bool;
}
/// This is a thin wrapper around a [HashMap] to store remote entity configurations.
/// This is a thin wrapper around a [hashbrown::HashMap] to store remote entity configurations.
/// It implements the full [RemoteEntityConfigProvider] trait.
#[cfg(feature = "std")]
#[cfg(feature = "alloc")]
#[derive(Default, Debug)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
pub struct StdRemoteEntityConfigProvider(pub HashMap<u64, RemoteEntityConfig>);
pub struct StdRemoteEntityConfigProvider(pub hashbrown::HashMap<u64, RemoteEntityConfig>);
#[cfg(feature = "std")]
impl RemoteEntityConfigProvider for StdRemoteEntityConfigProvider {
@ -879,7 +877,7 @@ impl<'raw> PduRawWithInfo<'raw> {
});
}
if pdu_header.pdu_datafield_len() < 1 {
return Err(PduError::FormatError);
return Err(PduError::Format);
}
// Route depending on PDU type and directive type if applicable. Retrieve directive type
// from the raw stream for better performance (with sanity and directive code check).
@ -1548,7 +1546,7 @@ pub(crate) mod tests {
#[test]
fn transaction_id_hashable_usable_as_map_key() {
let mut map = HashMap::new();
let mut map = hashbrown::HashMap::new();
let transaction_id_0 = TransactionId::new(
UnsignedByteFieldU8::new(1).into(),
UnsignedByteFieldU8::new(2).into(),

19
src/source.rs
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@ -748,25 +748,6 @@ impl<
}
fn notice_of_completion(&mut self, cfdp_user: &mut impl CfdpUser) {
/*
def _notice_of_completion(self):
if self.cfg.indication_cfg.transaction_finished_indication_required:
assert self._params.transaction_id is not None
# This happens for unacknowledged file copy operation with no closure.
if self._params.finished_params is None:
self._params.finished_params = FinishedParams(
condition_code=ConditionCode.NO_ERROR,
delivery_code=DeliveryCode.DATA_COMPLETE,
file_status=FileStatus.FILE_STATUS_UNREPORTED,
)
indication_params = TransactionFinishedParams(
transaction_id=self._params.transaction_id,
finished_params=self._params.finished_params,
)
self.user.transaction_finished_indication(indication_params)
# Transaction finished
self.reset()
*/
let tstate = self.tstate.as_ref().unwrap();
if self.local_cfg.indication_cfg.transaction_finished {
// The first case happens for unacknowledged file copy operation with no closure.