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feat: [sesam-vitale] Use thiserror, anyhow and expect to properly handle errors instead of unwrap

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This commit is contained in:
Florian Briand 2024-08-15 19:27:57 +02:00
parent 3f476c3114
commit 760a9cd92c
Signed by: florian_briand
GPG Key ID: CC981B9E6B98E70B
7 changed files with 229 additions and 124 deletions
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2
crates/sesam-vitale/Cargo.toml
View File

@ -4,8 +4,10 @@ version = "0.1.0"
edition = "2021"
[dependencies]
anyhow = "1.0.86"
dotenv = "0.15"
libc = "0.2"
thiserror = "1.0.63"
[build-dependencies]
dotenv = "0.15"

9
crates/sesam-vitale/build.rs
View File

@ -5,7 +5,7 @@ use std::path::PathBuf;
fn main() {
// Load the .env.build file for build-time environment variables
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let manifest_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR must be set");
let manifest_path = PathBuf::from(manifest_dir);
dotenv::from_path(manifest_path.join(".env.build")).ok();
@ -22,12 +22,13 @@ fn main() {
);
// Add the SESAM_FSV_LIB_PATH to the linker search path
let fsv_lib_path = PathBuf::from(env::var("SESAM_FSV_LIB_PATH").unwrap());
let fsv_lib_path =
PathBuf::from(env::var("SESAM_FSV_LIB_PATH").expect("SESAM_FSV_LIB_PATH must be set"));
println!("cargo::rustc-link-search=native={}", fsv_lib_path.display());
// Add the SESAM_FSV_LIB_PATH to the PATH environment variable
if cfg!(target_os = "windows") {
let path = env::var("PATH").unwrap_or(String::new());
let path = env::var("PATH").unwrap_or_default();
println!("cargo:rustc-env=PATH={};{}", fsv_lib_path.display(), path);
} else if cfg!(target_os = "linux") {
println!("cargo:rustc-env=LD_LIBRARY_PATH={}", fsv_lib_path.display());
@ -36,7 +37,7 @@ fn main() {
// Link the SESAM_FSV_SSVLIB dynamic library
println!(
"cargo::rustc-link-lib=dylib={}",
env::var("SESAM_FSV_SSVLIB").unwrap()
env::var("SESAM_FSV_SSVLIB").expect("SESAM_FSV_SSVLIB must be set")
);
// TODO : try `raw-dylib` instead of `dylib` on Windows to avoid the need of the `lib` headers compiled from the `def`
}

138
crates/sesam-vitale/src/cps.rs
View File

@ -1,9 +1,24 @@
use libc::{c_void, size_t};
use std::ffi::CString;
use std::ptr;
use thiserror::Error;
use crate::libssv::SSV_LireCartePS;
use crate::ssv_memory::{decode_ssv_memory, Block};
use crate::libssv::{self, SSV_LireCartePS};
use crate::ssv_memory::{decode_ssv_memory, Block, SSVMemoryError};
#[derive(Error, Debug)]
pub enum CartePSError {
#[error("Unknown (group, field) pair: ({group}, {field})")]
UnknownGroupFieldPair { group: u16, field: u16 },
#[error("CString creation error: {0}")]
CString(#[from] std::ffi::NulError),
#[error("Unable to get the last situation while parsing a CartePS")]
InvalidLastSituation,
#[error(transparent)]
SSVMemory(#[from] SSVMemoryError),
#[error(transparent)]
SSVLibErrorCode(#[from] libssv::LibSSVError),
}
#[derive(Debug, Default)]
pub struct CartePS {
@ -52,10 +67,10 @@ struct SituationPS {
habilitation_à_signer_un_lot: String,
}
pub fn lire_carte(code_pin: &str, lecteur: &str) -> Result<CartePS, String> {
let resource_ps = CString::new(lecteur).expect("CString::new failed");
let resource_reader = CString::new("").expect("CString::new failed");
let card_number = CString::new(code_pin).expect("CString::new failed");
pub fn lire_carte(code_pin: &str, lecteur: &str) -> Result<CartePS, CartePSError> {
let resource_ps = CString::new(lecteur)?;
let resource_reader = CString::new("")?;
let card_number = CString::new(code_pin)?;
let mut buffer: *mut c_void = ptr::null_mut();
let mut size: size_t = 0;
@ -69,17 +84,32 @@ pub fn lire_carte(code_pin: &str, lecteur: &str) -> Result<CartePS, String> {
&mut size,
);
println!("SSV_LireCartePS result: {}", result);
if result != 0 {
return Err(libssv::LibSSVError::StandardErrorCode {
code: result,
function: "SSV_LireCartePS",
}
.into());
}
if !buffer.is_null() {
hex_values = std::slice::from_raw_parts(buffer as *const u8, size);
libc::free(buffer);
}
}
let groups = decode_ssv_memory(hex_values, hex_values.len());
let groups =
decode_ssv_memory(hex_values, hex_values.len()).map_err(CartePSError::SSVMemory)?;
decode_carte_ps(groups)
}
fn decode_carte_ps(groups: Vec<Block>) -> Result<CartePS, String> {
fn get_last_mut_situation(carte_ps: &mut CartePS) -> Result<&mut SituationPS, CartePSError> {
carte_ps
.situations
.last_mut()
.ok_or(CartePSError::InvalidLastSituation)
}
fn decode_carte_ps(groups: Vec<Block>) -> Result<CartePS, CartePSError> {
let mut carte_ps = CartePS::default();
for group in groups {
for field in group.content {
@ -118,137 +148,99 @@ fn decode_carte_ps(groups: Vec<Block>) -> Result<CartePS, String> {
}
(2..=16, 1) => {
carte_ps.situations.push(SituationPS::default());
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.numero_logique_de_la_situation_de_facturation_du_ps = field.content[0];
}
(2..=16, 2) => {
carte_ps.situations.last_mut().unwrap().mode_d_exercice =
get_last_mut_situation(&mut carte_ps)?.mode_d_exercice =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 3) => {
carte_ps.situations.last_mut().unwrap().statut_d_exercice =
get_last_mut_situation(&mut carte_ps)?.statut_d_exercice =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 4) => {
carte_ps.situations.last_mut().unwrap().secteur_d_activite =
get_last_mut_situation(&mut carte_ps)?.secteur_d_activite =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 5) => {
carte_ps
.situations
.last_mut()
.unwrap()
.type_d_identification_structure =
get_last_mut_situation(&mut carte_ps)?.type_d_identification_structure =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 6) => {
carte_ps
.situations
.last_mut()
.unwrap()
.numero_d_identification_structure =
get_last_mut_situation(&mut carte_ps)?.numero_d_identification_structure =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 7) => {
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.cle_du_numero_d_identification_structure =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 8) => {
carte_ps
.situations
.last_mut()
.unwrap()
.raison_sociale_structure =
get_last_mut_situation(&mut carte_ps)?.raison_sociale_structure =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 9) => {
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.numero_d_identification_de_facturation_du_ps =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 10) => {
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.cle_du_numero_d_identification_de_facturation_du_ps =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 11) => {
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.numero_d_identification_du_ps_remplaçant =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 12) => {
carte_ps
.situations
.last_mut()
.unwrap()
get_last_mut_situation(&mut carte_ps)?
.cle_du_numero_d_identification_du_ps_remplaçant =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 13) => {
carte_ps.situations.last_mut().unwrap().code_conventionnel =
get_last_mut_situation(&mut carte_ps)?.code_conventionnel =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 14) => {
carte_ps.situations.last_mut().unwrap().code_specialite =
get_last_mut_situation(&mut carte_ps)?.code_specialite =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 15) => {
carte_ps.situations.last_mut().unwrap().code_zone_tarifaire =
get_last_mut_situation(&mut carte_ps)?.code_zone_tarifaire =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 16) => {
carte_ps.situations.last_mut().unwrap().code_zone_ik =
get_last_mut_situation(&mut carte_ps)?.code_zone_ik =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 17) => {
carte_ps.situations.last_mut().unwrap().code_agrement_1 =
get_last_mut_situation(&mut carte_ps)?.code_agrement_1 =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 18) => {
carte_ps.situations.last_mut().unwrap().code_agrement_2 =
get_last_mut_situation(&mut carte_ps)?.code_agrement_2 =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 19) => {
carte_ps.situations.last_mut().unwrap().code_agrement_3 =
get_last_mut_situation(&mut carte_ps)?.code_agrement_3 =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 20) => {
carte_ps
.situations
.last_mut()
.unwrap()
.habilitation_à_signer_une_facture =
get_last_mut_situation(&mut carte_ps)?.habilitation_à_signer_une_facture =
String::from_utf8_lossy(field.content).to_string();
}
(2..=16, 21) => {
carte_ps
.situations
.last_mut()
.unwrap()
.habilitation_à_signer_un_lot =
get_last_mut_situation(&mut carte_ps)?.habilitation_à_signer_un_lot =
String::from_utf8_lossy(field.content).to_string();
}
_ => {
return Err(format!(
"Unknown (group, field) pair: ({}, {})",
group.id, field.id
))
return Err(CartePSError::UnknownGroupFieldPair {
group: group.id,
field: field.id,
});
}
}
}
@ -279,7 +271,7 @@ mod test_decode_carte_ps {
57, 53, 8, 48, 48, 50, 48, 50, 52, 49, 57, 1, 56, 0, 1, 48, 1, 49, 2, 53, 48, 2, 49,
48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
];
let blocks = decode_ssv_memory(bytes, bytes.len());
let blocks = decode_ssv_memory(bytes, bytes.len()).unwrap();
let carte_ps = decode_carte_ps(blocks).unwrap();
assert_eq!(carte_ps.titulaire.type_de_carte_ps, "0");
@ -370,7 +362,7 @@ mod test_decode_carte_ps {
57, 53, 8, 48, 48, 50, 48, 50, 52, 49, 57, 1, 56, 0, 1, 48, 1, 49, 2, 53, 48, 2, 49,
48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
];
let blocks = decode_ssv_memory(bytes, bytes.len());
let blocks = decode_ssv_memory(bytes, bytes.len()).unwrap();
let carte_ps = decode_carte_ps(blocks).unwrap();
assert_eq!(carte_ps.situations.len(), 3);

7
crates/sesam-vitale/src/libssv.rs
View File

@ -3,6 +3,13 @@
/// Low level bindings to the SSVLIB dynamic library.
// TODO : look for creating a dedicated *-sys crate : https://kornel.ski/rust-sys-crate
use libc::{c_char, c_ushort, c_void, size_t};
use thiserror::Error;
#[derive(Debug, Error)]
pub enum LibSSVError {
#[error("SSV library error in {function}: {code}")]
StandardErrorCode { code: u16, function: &'static str },
}
#[cfg_attr(target_os = "linux", link(name = "ssvlux64"))]
#[cfg_attr(target_os = "windows", link(name = "ssvw64"))]

6
crates/sesam-vitale/src/main.rs
View File

@ -3,6 +3,8 @@ mod libssv;
mod ssv_memory;
mod ssvlib_demo;
fn main() {
ssvlib_demo::demo();
use anyhow::{Context, Result};
fn main() -> Result<()> {
ssvlib_demo::demo().context("Error while running the SSV library demo")
}

151
crates/sesam-vitale/src/ssv_memory.rs
View File

@ -1,6 +1,33 @@
/// # SSV Memory
/// Provide functions to manipulate raw memory from SSV library.
use std::convert::TryFrom;
use thiserror::Error;
#[derive(Debug, Error)]
pub enum BytesReadingError {
#[error("Empty bytes input")]
EmptyBytes,
#[error("Invalid memory: not enough bytes ({actual}) to read the expected size ({expected})")]
InvalidSize { expected: usize, actual: usize },
#[error("Invalid memory: size ({actual}) is expected to be less than {expected} bytes")]
SizeTooBig { expected: usize, actual: usize },
#[error("Invalid memory: not enough bytes to read the block id")]
InvalidBlockId(#[from] std::array::TryFromSliceError),
#[error("Error while reading field at offset {offset}")]
InvalidField {
source: Box<BytesReadingError>,
offset: usize,
},
}
#[derive(Debug, Error)]
pub enum SSVMemoryError {
#[error("Error while parsing block at offset {offset}")]
BlockParsing {
source: BytesReadingError,
offset: usize,
},
}
#[derive(PartialEq, Debug)]
struct ElementSize {
@ -9,13 +36,12 @@ struct ElementSize {
}
// TODO : Est-ce qu'on pourrait/devrait définir un type custom pour représenter les tableaux de bytes ?
impl TryFrom<&[u8]> for ElementSize {
type Error = &'static str;
type Error = BytesReadingError;
fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
if bytes.is_empty() {
return Err("Empty bytes input");
return Err(BytesReadingError::EmptyBytes);
}
let mut element_size = ElementSize { size: 0, pad: 1 };
@ -30,9 +56,15 @@ impl TryFrom<&[u8]> for ElementSize {
// N are the 7 lower bits of the first byte
let size_bytes_len = (bytes[0] & 0b0111_1111) as usize;
if size_bytes_len > bytes.len() - 1 {
return Err("Invalid memory: not enough bytes to read the size");
return Err(BytesReadingError::InvalidSize {
expected: size_bytes_len,
actual: bytes.len() - 1,
});
} else if size_bytes_len > 4 {
return Err("Invalid memory: size is too big");
return Err(BytesReadingError::SizeTooBig {
expected: 4,
actual: size_bytes_len,
});
}
let size_bytes = &bytes[1..1 + size_bytes_len];
@ -54,15 +86,21 @@ pub struct Block<'a> {
pub content: Vec<Field<'a>>,
}
impl<'a> From<&'a [u8]> for Block<'a> {
fn from(bytes: &'a [u8]) -> Self {
impl<'a> TryFrom<&'a [u8]> for Block<'a> {
type Error = BytesReadingError;
fn try_from(bytes: &'a [u8]) -> Result<Self, Self::Error> {
let mut offset = 0;
let id = u16::from_be_bytes(bytes[..2].try_into().unwrap());
let id = u16::from_be_bytes(
bytes[..2]
.try_into()
.map_err(BytesReadingError::InvalidBlockId)?,
);
offset += 2;
let ElementSize {
size: block_size,
pad,
} = bytes[2..].try_into().unwrap();
} = bytes[2..].try_into()?;
offset += pad;
let raw_content = &bytes[offset..];
let mut field_offset = 0;
@ -70,17 +108,22 @@ impl<'a> From<&'a [u8]> for Block<'a> {
let mut content = Vec::new();
let mut field_id = 1;
while field_offset < block_size {
let mut field: Field<'a> = raw_content[field_offset..].into();
let mut field: Field<'a> = raw_content[field_offset..].try_into().map_err(|err| {
BytesReadingError::InvalidField {
source: Box::new(err),
offset: field_offset,
}
})?;
field.id = field_id;
field_offset += field.size;
field_id += 1;
content.push(field);
}
Block {
Ok(Block {
id,
size: offset + block_size,
content,
}
})
}
}
@ -91,31 +134,41 @@ pub struct Field<'a> {
pub content: &'a [u8],
}
impl<'a> From<&'a [u8]> for Field<'a> {
fn from(bytes: &'a [u8]) -> Self {
let ElementSize { size, pad } = bytes.try_into().unwrap();
impl<'a> TryFrom<&'a [u8]> for Field<'a> {
type Error = BytesReadingError;
fn try_from(bytes: &'a [u8]) -> Result<Self, Self::Error> {
let ElementSize { size, pad } = bytes.try_into()?;
let contenu = &bytes[pad..pad + size];
Field {
Ok(Field {
id: 0,
size: pad + size,
content: contenu,
}
})
}
}
pub fn decode_ssv_memory(bytes: &[u8], size: usize) -> Vec<Block> {
pub fn decode_ssv_memory(bytes: &[u8], size: usize) -> Result<Vec<Block>, SSVMemoryError> {
let mut blocks: Vec<Block> = Vec::new();
let mut offset = 0;
while offset < size {
let block: Block = bytes[offset..].into();
let block: Block =
bytes[offset..]
.try_into()
.map_err(|err| SSVMemoryError::BlockParsing {
source: err,
offset,
})?;
offset += block.size;
blocks.push(block);
}
blocks
Ok(blocks)
}
#[cfg(test)]
mod test_element_size {
use std::any::Any;
use super::*;
#[test]
@ -142,29 +195,51 @@ mod test_element_size {
#[test]
fn null_size() {
let bytes: &[u8] = &[];
let result: Result<ElementSize, &str> = bytes.try_into();
assert_eq!(result, Err("Empty bytes input"),);
let result: Result<ElementSize, BytesReadingError> = bytes.try_into();
assert!(result.is_err());
assert_eq!(
result.unwrap_err().type_id(),
BytesReadingError::EmptyBytes.type_id()
);
}
#[test]
fn invalid_memory() {
let bytes: &[u8] = &[0b_1000_0001_u8];
let result: Result<ElementSize, &str> = bytes.try_into();
let result: Result<ElementSize, BytesReadingError> = bytes.try_into();
assert!(result.is_err());
assert_eq!(
result,
Err("Invalid memory: not enough bytes to read the size"),
result.unwrap_err().to_string(),
BytesReadingError::InvalidSize {
expected: 1,
actual: 0
}
.to_string()
);
let bytes: &[u8] = &[0b_1000_0010_u8, 1];
let result: Result<ElementSize, &str> = bytes.try_into();
let result: Result<ElementSize, BytesReadingError> = bytes.try_into();
assert!(result.is_err());
assert_eq!(
result,
Err("Invalid memory: not enough bytes to read the size"),
result.unwrap_err().to_string(),
BytesReadingError::InvalidSize {
expected: 2,
actual: 1
}
.to_string()
);
let bytes: &[u8] = &[0b_1000_0101_u8, 1, 1, 1, 1, 1];
let result: Result<ElementSize, &str> = bytes.try_into();
assert_eq!(result, Err("Invalid memory: size is too big"),);
let result: Result<ElementSize, BytesReadingError> = bytes.try_into();
assert!(result.is_err());
assert_eq!(
result.unwrap_err().to_string(),
BytesReadingError::SizeTooBig {
expected: 4,
actual: 5
}
.to_string()
);
}
}
@ -179,7 +254,7 @@ mod test_field {
80, 72, 65, 82, 77, 65, 67, 73, 69, 78, 48, 48, 53, 50, 52, 49, 57, 9, 70, 82, 65, 78,
67, 79, 73, 83, 69, 1, 84,
];
let element: Field = bytes.into();
let element: Field = bytes.try_into().unwrap();
assert_eq!(element.size, 52);
assert_eq!(element.content[..5], [1, 48, 1, 56, 11]);
}
@ -194,7 +269,7 @@ mod test_field {
// Add 256 bytes to the content
bytes_vec.append(&mut vec![1; 256]);
let bytes: &[u8] = &bytes_vec;
let element: Field = bytes.into();
let element: Field = bytes.try_into().unwrap();
assert_eq!(element.size, 259);
assert_eq!(element.content.len(), 256);
}
@ -208,15 +283,15 @@ mod test_block {
fn test_francoise_pharmacien0052419_partial_block_1() {
let bytes: &[u8] = &[1, 48, 1, 56, 11, 57, 57, 55, 48, 48, 53, 50, 52, 49, 57, 52];
let field1: Field = bytes.into();
let field1: Field = bytes.try_into().unwrap();
assert_eq!(field1.size, 2);
assert_eq!(field1.content, &[48]);
let field2: Field = bytes[field1.size..].into();
let field2: Field = bytes[field1.size..].try_into().unwrap();
assert_eq!(field2.size, 2);
assert_eq!(field2.content, &[56]);
let field3: Field = bytes[field1.size + field2.size..].into();
let field3: Field = bytes[field1.size + field2.size..].try_into().unwrap();
assert_eq!(field3.size, 12);
assert_eq!(
field3.content,
@ -243,12 +318,12 @@ mod test_block {
48, 2, 49, 48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
];
let first_block: Block = bytes.into();
let first_block: Block = bytes.try_into().unwrap();
assert_eq!(first_block.id, 1);
assert_eq!(first_block.size, 54);
assert_eq!(first_block.content.len(), 8);
let second_block: Block = bytes[first_block.size..].into();
let second_block: Block = bytes[first_block.size..].try_into().unwrap();
assert_eq!(second_block.id, 2);
assert_eq!(second_block.size, 86);
assert_eq!(second_block.content.len(), 21);
@ -277,7 +352,7 @@ mod test_decode_ssv_memory {
50, 50, 49, 57, 53, 8, 48, 48, 50, 48, 50, 52, 49, 57, 1, 56, 0, 1, 48, 1, 49, 2, 53,
48, 2, 49, 48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
];
let blocks = decode_ssv_memory(bytes, bytes.len());
let blocks = decode_ssv_memory(bytes, bytes.len()).unwrap();
assert_eq!(blocks.len(), 2);
}
}

40
crates/sesam-vitale/src/ssvlib_demo.rs
View File

@ -6,25 +6,49 @@ use std::env;
use std::ffi::CString;
use std::path::PathBuf;
use std::ptr;
use thiserror::Error;
use crate::cps::lire_carte;
use crate::libssv::{SSV_InitLIB2, SSV_LireConfig};
fn ssv_init_lib_2() {
#[derive(Error, Debug)]
pub enum SSVDemoError {
#[error(transparent)]
CartePSReading(#[from] crate::cps::CartePSError),
#[error(transparent)]
SSVLibErrorCode(#[from] crate::libssv::LibSSVError),
}
fn ssv_init_lib_2() -> Result<(), SSVDemoError> {
let ini_str = env::var("SESAM_INI_PATH").expect("SESAM_INI_PATH must be set");
let ini = CString::new(ini_str).expect("CString::new failed");
unsafe {
let result = SSV_InitLIB2(ini.as_ptr());
println!("SSV_InitLIB2 result: {}", result);
if result != 0 {
return Err(crate::libssv::LibSSVError::StandardErrorCode {
code: result,
function: "SSV_InitLIB2",
}
.into());
}
}
Ok(())
}
fn ssv_lire_config() {
fn ssv_lire_config() -> Result<(), SSVDemoError> {
let mut buffer: *mut c_void = ptr::null_mut();
let mut size: size_t = 0;
unsafe {
let result = SSV_LireConfig(&mut buffer, &mut size);
println!("SSV_LireConfig result: {}", result);
if result != 0 {
return Err(crate::libssv::LibSSVError::StandardErrorCode {
code: result,
function: "SSV_LireConfig",
}
.into());
}
if !buffer.is_null() {
let hex_values = std::slice::from_raw_parts(buffer as *const u8, size);
@ -36,25 +60,27 @@ fn ssv_lire_config() {
libc::free(buffer);
}
}
Ok(())
}
pub fn demo() {
pub fn demo() -> Result<(), SSVDemoError> {
// TODO : this is probably not working on release, because I'm not sure it exists a CARGO_MANIFEST_DIR and so it can find the `.env`
// Maybe we could use a system standard config path to store a config file
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let manifest_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR must be set");
let manifest_path = PathBuf::from(manifest_dir);
dotenv::from_path(manifest_path.join(".env")).ok();
println!("------- Demo for the SSV library --------");
ssv_init_lib_2();
ssv_init_lib_2()?;
let code_pin = "1234";
let lecteur = "HID Global OMNIKEY 3x21 Smart Card Reader 0";
let carte_ps = lire_carte(code_pin, lecteur).unwrap();
let carte_ps = lire_carte(code_pin, lecteur)?;
println!("CartePS: {:#?}", carte_ps);
ssv_lire_config();
ssv_lire_config()?;
println!("-----------------------------------------");
Ok(())
}