feat: add first draft for crate public api

crates/services-sesam-vitale-sys/src/bindings.rs

@@ -3,6 +3,8 @@
 #![allow(non_snake_case)]
 #![allow(dead_code)]
 
+// Generated using bindgen
+
 extern "C" {
     // Fonctions de gestion des données
 

crates/services-sesam-vitale-sys/src/lib.rs

@@ -1,122 +1,46 @@
-// to include std in docs, need to remove later
-#[doc(inline)]
-pub use std;
-
 mod bindings;
 pub mod types;
-use std::io::Cursor;
 
 use bindings::SSV_LireConfig;
-use binrw::BinRead;
-use std::ptr;
-use types::serialization_types::{DataBlock, DataField};
+use std::{fmt, ptr};
+use types::serialization_types::{read_from_buffer, Configuration};
 
-//pub fn read_carte_professionnel_sante() -> Result<CarteProfessionnelSante, _> {
-//    // how to init buffer and give it to library
-//    // https://stackoverflow.com/questions/58231215/what-is-proper-rust-way-to-allocate-opaque-buffer-for-external-c-library
-//    //
-//    // when init memory zones and they are too large to be a single memory zone -> https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=0c1f0fca7d98a97bbc70dba786bbedd9
-//    unsafe {
-//        let nom_ressource_ps;
-//        let nom_ressource_lecteur;
-//        let code_porteur_ps;
-//        let p_zdata_out;
-//        let p_taille_zone;
-//        let status_code: u16 = SSV_LireCartePS(
-//            nom_ressource_ps,
-//            nom_ressource_lecteur,
-//            code_porteur_ps,
-//            p_zdata_out,
-//            p_taille_zone,
-//        );
-//
-//        if status_code != 0 {
-//            return Err(());
-//        }
-//    };
-//}
-
-// To parse the data
-// allocate the multiple buffers
-// chain them to make a single buffer
-// use the parse_data_size function to get a size
-// use take method to limit number of bytes read
-// use binread implementaiton on each struct/enum de structure it
-// do this recursively until there is no more data
-
-// Memory has three embricked concepts:
-// Memory Zone(s) -Contains-> DataBlock(s) -Contains-> DataField(s)
-// DataBlocks (and DataFields) can be cut off by the end of a memory zone
-// the data continues on the following memory zone
-//#[binread]
-pub struct DataBlock2 {
-    //<T> {
-    data_struct_id: u16,
-
-    //   #[br(temp, parse_with = parse_data_size)]
-    memory_size: u32,
-    // spec indicates the DataBlock can be very large (up to 4GB)
-    // in this case, we can use memmap2 to use the disk to store the data
-    //    pub data: Vec<DataField<T>>,
+#[derive(Debug)]
+pub struct SesamVitaleError {
+    code: u16,
 }
 
-pub enum SSVError {
-    Error(u16),
-}
-
-struct Parseable<T: BinRead>(T);
-
-impl<T> BinRead for Parseable<T>
-where
-    for<'a> T: BinRead<Args<'a> = ()>,
-{
-    type Args<'a> = <DataField<T> as BinRead>::Args<'a>;
-
-    fn read_options<R: std::io::prelude::Read + std::io::prelude::Seek>(
-        reader: &mut R,
-        endian: binrw::Endian,
-        args: Self::Args<'_>,
-    ) -> binrw::prelude::BinResult<Self> {
-        let field = DataField::<T>::read_options(reader, endian, args)?;
-        Ok(Parseable(field.value))
+impl fmt::Display for SesamVitaleError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        write!(f, "Got error code {} from SSV_LireConfig", self.code)
     }
 }
-#[derive(BinRead)]
-struct ConfigHeader {
-    ssv_version: Parseable<u16>,
-    galss_version: Parseable<u16>,
-    pss_version: Parseable<u16>,
-}
 
-#[derive(BinRead)]
-struct ReaderConfig {
-    //    manufacturer_name: Parseable<String>
-}
-
-pub fn read_config() -> Result<(), SSVError> {
+pub fn read_config() -> Result<Configuration, SesamVitaleError> {
     let mut buffer_ptr: *mut libc::c_void = ptr::null_mut();
     let mut size: libc::size_t = 0;
 
-    let buffer: &[u8] = unsafe {
-        match SSV_LireConfig(&mut buffer_ptr, &mut size) {
-            0 => (),
-            error_code => return Err(SSVError::Error(error_code)),
-        }
+    let buffer_ptr_ptr: *mut *mut libc::c_void = &mut buffer_ptr;
+    let size_ptr: *mut libc::size_t = &mut size;
 
-        std::slice::from_raw_parts(buffer_ptr as *const u8, size)
+    // Need to add proper error handling -> return a result with error code pointing to an error
+    // enum
+    let exit_code: u16 = unsafe { SSV_LireConfig(buffer_ptr_ptr, size_ptr) };
+
+    if exit_code != 0 {
+        let error = SesamVitaleError { code: exit_code };
+        return Err(error);
     };
+
+    let buffer: &[u8] = unsafe { std::slice::from_raw_parts(buffer_ptr as *const u8, size) };
+
+    // TODO: Improve error handling
+    let configuration: Configuration = read_from_buffer(buffer).unwrap();
+
+    // TODO: Call library function for memory delocating
     unsafe { libc::free(buffer_ptr) };
 
-    println!("Buffer data: {:?}", buffer);
-
-    let cursor = &mut Cursor::new(buffer);
-    while size > 0 {
-        let data_block = DataBlock::read(cursor).expect("");
-        size -= data_block.data.len();
-        println!("{}", String::from_utf8(data_block.data).expect(""));
-    }
-
-    Ok(())
+    Ok(configuration)
 }
 
 #[cfg(test)]

crates/services-sesam-vitale-sys/src/types.rs

@@ -1,176 +0,0 @@
-struct Identification<T> {
-    value: T,
-    // Key to check the validity of the value
-    // TODO: implement checking algorithm
-    key: u8,
-}
-type Byte = u8;
-
-enum IdentificationNationale {
-    NumeroAdeli(String),
-    NumeroEmployeeDansStructure(IdentificationStructure, String),
-    NumeroDRASS(String),
-    NumeroRPPS(String),
-    /// N° Etudiant Médecin type ADELI sur 9 caractères (information transmise par l’ANS)
-    NumeroEtudiantMedecin(String),
-}
-
-enum TypeCarteProfessionnelSante {
-    /// Carte de Professionnel de Santé (CPS)
-    CarteDeProfessionnelSante,
-    /// Carte de Professionnel de Santé en Formation (CPF)
-    CarteDeProfessionnelSanteEnFormation,
-    /// Carte de Personnel d'Établissement de Santé (CDE/CPE)
-    CarteDePersonnelEtablissementSante,
-    /// Carte de Personnel Autorisé (CDA/CPA)
-    CarteDePersonnelAutorise,
-    /// Carte de Personne Morale
-    CarteDePersonneMorale,
-}
-
-enum CategorieCarteProfessionnelSante {
-    Reelle,
-    Test,
-    Demonstration,
-}
-
-enum CodeCivilite {
-    Adjudant,
-    Amiral,
-    Aspirant,
-    Aumônier,
-    Capitaine,
-    Cardinal,
-    Chanoine,
-    Colonel,
-    Commandant,
-    Commissaire,
-    Conseiller,
-    Directeur,
-    Docteur,
-    Douanier,
-    Epouxse, // Epoux(se)
-    Evêque,
-    Général,
-    Gouverneur,
-    Ingénieur,
-    Inspecteur,
-    Lieutenant,
-    Madame,
-    Mademoiselle,
-    Maître,
-    Maréchal,
-    Médecin,
-    Mesdames,
-    Mesdemoiselles,
-    Messieurs,
-    Monseigneur,
-    Monsieur,
-    NotreDame,
-    Pasteur,
-    Préfet,
-    Président,
-    Professeur,
-    Recteur,
-    Sergent,
-    SousPréfet,
-    Technicien,
-    Veuve,
-}
-
-struct CarteProfessionnelSante {
-    type_carte: TypeCarteProfessionnelSante,
-    categorie_carte: CategorieCarteProfessionnelSante,
-    professionnel_sante: ProfessionnelDeSante,
-}
-
-struct ProfessionnelDeSante {
-    prenom: String,
-    nom: String,
-    code_civilite: CodeCivilite,
-    identification_nationale: Identification<IdentificationNationale>,
-    situations_execice: Vec<SituationDExercice>,
-}
-
-enum IdentificationStructure {
-    NumeroAdeliCabinet(String),
-    NumeroFINESS(String),
-    NumeroSIREN(String),
-    NumeroSIRET(String),
-    NumeroRPPSCabinet(String),
-}
-
-struct StructureMedicale {
-    identification: Identification<IdentificationStructure>,
-    raison_sociale: String, // Nom Entreprise
-}
-
-enum ModeExercice {
-    LiberalExploitantCommercant, // Libéral, exploitant, commerçant
-    Salarie,
-    Remplacant,
-    Benevole,
-}
-
-enum StatutExercice {
-    // TAB-Statuts géré par l’ANS il faut trouver la donnee
-    PLACEHOLDER(u8),
-}
-
-enum SecteurActivite {
-    EtablissementPublicDeSanté,
-    HopitauxMilitaires,
-    EtablissementPrivePSPH, // Participant au Service Public Hospitalier
-    EtablissementPriveNonPSPH,
-    DispensaireDeSoins,
-    AutresStructuresDeSoinsRelevantDuServiceDeSanteDesArmees,
-    CabinetIndividuel,
-    CabinetDeGroupe,
-    ExerciceEnSociete,
-    SecteurPrivePHTempsPlein,
-    TransportSanitaire,
-    EntrepriseDInterim,
-    EtablissementDeSoinsEtPrevention,
-    PreventionEtSoinsEnEntreprise,
-    SanteScolaireEtUniversitaire,
-    RecrutementEtGestionRH,
-    PMIPlanificationFamiliale,
-    EtablissementPourHandicapes,
-    ComMarketingConsultingMedia,
-    EtablissementPersonnesAgees,
-    EtablissementAideaLaFamille,
-    EtablissementDEnseignement,
-    EtablissementsDeProtectionDeLEnfance,
-    EtablissementsDHebergementEtDeReadaptation,
-    Recherche,
-    AssurancePrivee,
-    OrganismeDeSecuriteSociale,
-    MinistèreEtServicesDeconcentres,
-    CollectivitesTerritoriales,
-    AssociationsEtOrganitationsHumanitaire,
-    LaboratoireDeBiologieMedicale,
-    AutreEtablissementSanitaire,
-    ProductionCommercialisationGrosBienMedicaux,
-    CommerceDétailDeBiensMédicaux,
-    PharmacieDOfficine,
-    CentreDeDialyse,
-    ParaPharmacie,
-    AutreSecteurDActivité,
-    SecteurNonDefini,
-    CentreAntiCancer,
-    CentreDeTransfusionSanguine,
-    RépartitionDistribributionFabricationExploitationImportationMedicamentsEtDispositifsMédicaux,
-    IncendiesEtSecours,
-    EntreprisesIndustriellesEtTertiairesHorsIndustriesPharmaceutiques,
-
-    EntiteDUnTOM,
-    FabricationExploitationImportationMedicamentsEtDispositifsMedicaux,
-}
-struct SituationDExercice {
-    /// Numéro identifiant la situation du PS parmi ses autres situations inscrites sur sa CPS
-    identifiant_situation: Byte,
-    mode_exercice: Option<ModeExercice>,
-    statut_exercice: Option<StatutExercice>,
-    secteur_activite: Option<SecteurActivite>,
-    structure_d_exercice: Option<StructureMedicale>,
-}

crates/services-sesam-vitale-sys/src/types/serialization_types.rs

@@ -1,18 +1,14 @@
 use bitvec::index::BitIdx;
-use std::{error::Error, str::FromStr, vec::Vec};
+use std::{error::Error, fmt, str::FromStr, vec::Vec};
 
 use deku::{
-    bitvec::{BitStore, Msb0},
-    ctx::ByteSize,
-    deku_derive,
-    reader::{Reader, ReaderRet},
-    DekuError, DekuReader,
+    bitvec::{BitStore, Msb0}, ctx::ByteSize, deku_derive, reader::{Reader, ReaderRet}, DekuContainerRead, DekuError, DekuReader
 };
 
 #[deku_derive(DekuRead)]
 #[derive(Debug, Clone, Copy, PartialEq)]
 #[deku(endian = "big")]
-pub struct GroupId(u16);
+pub(crate) struct GroupId(u16);
 
 trait MapToDekuParseError<T> {
     fn map_to_deku_parse_error(self) -> Result<T, DekuError>;
@@ -26,30 +22,30 @@ impl<T, E: Error> MapToDekuParseError<T> for Result<T, E> {
 
 #[deku_derive(DekuRead)]
 #[derive(Debug, PartialEq)]
-pub struct DataField {
+pub(crate) struct DataField {
     #[deku(reader = "read_size(deku::reader)")]
-    data_size: ByteSize,
+    pub(crate) data_size: ByteSize,
 
     #[deku(bytes_read = "data_size.0")]
-    pub data: Vec<u8>,
+    pub(crate) data: Vec<u8>,
 }
 
 #[deku_derive(DekuRead)]
 #[derive(Debug, PartialEq)]
-pub struct BlockHeader {
-    pub group_id: GroupId,
+pub(crate) struct BlockHeader {
+    pub(crate) group_id: GroupId,
 
     #[deku(reader = "read_size(deku::reader)")]
-    pub data_size: ByteSize,
+    pub(crate) data_size: ByteSize,
 }
 
 #[deku_derive(DekuRead)]
 #[derive(Debug, PartialEq)]
-pub struct DataBlock {
-    pub header: BlockHeader,
+pub(crate) struct DataBlock {
+    pub(crate) header: BlockHeader,
 
     #[deku(ctx = "header.group_id")]
-    pub inner: DataGroup,
+    pub(crate) inner: DataGroup,
 }
 
 fn read_size<R: std::io::Read>(reader: &mut Reader<R>) -> Result<ByteSize, DekuError> {
@@ -144,14 +140,109 @@ pub struct SESAMVitaleComponent {
     pub version: SESAMVitaleComponentVersion,
 }
 
+#[deku_derive(DekuRead)]
+#[derive(Debug, PartialEq)]
+pub struct ReaderConfiguration {}
+
 #[deku_derive(DekuRead)]
 #[derive(Debug, PartialEq)]
 #[deku(ctx = "group_id: GroupId", id = "group_id.0")]
 pub enum DataGroup {
     #[deku(id = 60)]
     ConfigurationHeader(ConfigurationHeader),
-    #[deku(id = 67)]
-    PCSCReader(PCSCReader),
+    #[deku(id = 61)]
+    ReaderConfiguration(ReaderConfiguration),
     #[deku(id = 64)]
     SESAMVitaleComponent(SESAMVitaleComponent),
+    #[deku(id = 67)]
+    PCSCReader(PCSCReader),
+}
+
+#[derive(Debug)]
+pub enum ConfigurationError {
+    MultipleConfigurationHeaders,
+    MissingConfigurationHeader,
+}
+
+impl fmt::Display for ConfigurationError {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            ConfigurationError::MultipleConfigurationHeaders => {
+                write!(f, "Multiple ConfigurationHeader blocks found")
+            }
+            ConfigurationError::MissingConfigurationHeader => {
+                write!(f, "Missing ConfigurationHeader block")
+            }
+        }
+    }
+}
+
+impl Error for ConfigurationError {}
+
+#[derive(Debug)]
+pub struct Configuration {
+    pub configuration_header: ConfigurationHeader,
+    pub reader_configurations: Vec<ReaderConfiguration>,
+    pub sesam_vitale_components: Vec<SESAMVitaleComponent>,
+    pub pcsc_readers: Vec<PCSCReader>,
+}
+
+impl TryFrom<Vec<DataBlock>> for Configuration {
+    type Error = ConfigurationError;
+
+    fn try_from(data_blocks: Vec<DataBlock>) -> Result<Self, Self::Error> {
+        let mut configuration_header: Option<ConfigurationHeader> = None;
+        let mut reader_configurations: Vec<ReaderConfiguration> = Vec::new();
+        let mut sesam_vitale_components: Vec<SESAMVitaleComponent> = Vec::new();
+        let mut pcsc_readers: Vec<PCSCReader> = Vec::new();
+
+        for block in data_blocks {
+            match block.inner {
+                DataGroup::ConfigurationHeader(header) => {
+                    if configuration_header.is_some() {
+                        return Err(ConfigurationError::MultipleConfigurationHeaders);
+                    }
+                    configuration_header = Some(header);
+                }
+                DataGroup::ReaderConfiguration(configuration) => {
+                    reader_configurations.push(configuration)
+                }
+                DataGroup::SESAMVitaleComponent(component) => {
+                    sesam_vitale_components.push(component);
+                }
+                DataGroup::PCSCReader(reader) => {
+                    pcsc_readers.push(reader);
+                }
+            }
+        }
+        let configuration_header = match configuration_header {
+            Some(header) => header,
+            None => return Err(ConfigurationError::MissingConfigurationHeader),
+        };
+
+        Ok(Self {
+            configuration_header,
+            reader_configurations,
+            sesam_vitale_components,
+            pcsc_readers,
+        })
+    }
+}
+
+pub(crate) fn read_from_buffer<T: TryFrom<Vec<DataBlock>>>(buffer: &[u8]) -> Result<T, T::Error>{
+    let mut data_blocks: Vec<DataBlock> = Vec::new();
+    let mut offset = 0;
+    
+    let mut remaining_buffer = buffer;
+
+    while !remaining_buffer.is_empty() {
+        // TODO: properly handle errors
+        let (rest, data_block) = DataBlock::from_bytes((remaining_buffer, offset)).unwrap();
+
+        data_blocks.push(data_block);
+
+        (remaining_buffer, offset) = rest;
+    };
+
+    T::try_from(data_blocks)
 }