Expose function to init db (and possible future bootstrapping)

src/ios/c_headers/coepicore.h

@@ -1,5 +1,7 @@
 #include <CoreFoundation/CoreFoundation.h>
 
+CFStringRef bootstrap_core(const char *to);
+
 CFStringRef fetch_new_reports();
 CFStringRef get_reports(int32_t interval_number, int32_t interval_length);
 CFStringRef post_report(const char *to);

src/ios/ios_interface.rs

@@ -5,7 +5,7 @@ use core_foundation::base::TCFType;
 use serde::Serialize;
 
 use crate::{composition_root::COMP_ROOT, networking, reporting::symptom_inputs::{SymptomInputsSubmitter, SymptomInputs}, errors::ServicesError::{Networking, Error, self}};
-use crate::reporting::symptom_inputs_manager::SymptomInputsProcessor;
+use crate::{init_db, reporting::symptom_inputs_manager::SymptomInputsProcessor};
 use networking::TcnApi;
 
 // Generic struct to return results to app
@@ -17,6 +17,18 @@ struct LibResult<T> {
   error_message: Option<String>
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn bootstrap_core(db_path: *const c_char) -> CFStringRef {
+
+  let db_path_str = cstring_to_str(&db_path).unwrap();
+
+  println!("RUST: bootstrapping with db path: {:?}", db_path_str);
+
+  let result = init_db(db_path_str).map_err(ServicesError::from);
+  println!("RUST: bootstrapping result: {:?}", result);
+  return to_result_str(result);
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn fetch_new_reports() -> CFStringRef {
   println!("RUST: updating reports");

src/lib.rs

@@ -17,7 +17,7 @@ pub type Res<T> = Result<T, Error>;
 
 const CENS_BY_TS: &str = "cens by ts";
 
-pub fn init<P: AsRef<Path>>(p: P) -> Res<()> {
+pub fn init_db<P: AsRef<Path>>(p: P) -> Res<()> {
     let db = Persy::open_or_create_with(p, Config::new(), |db| {
         let mut tx = db.begin()?;
         tx.create_segment("tcn")?;

src/reports_updater.rs

@@ -201,7 +201,7 @@ impl<'a,
       .and_then(|tcns| self.tcn_matcher.match_reports(tcns, reports));
 
     let time = matching_start_time.elapsed().as_secs();
-    println!("Took ${:?}s to match reports", time);
+    println!("Took {:?}s to match reports", time);
 
     if let Ok(reports) = &matched_reports {
       if !reports.is_empty() {