removing dev branch, many changes

veilid-core/src/table_store/native.rs

@@ -0,0 +1,53 @@
+use super::*;
+pub use keyvaluedb_sqlite::*;
+use std::path::PathBuf;
+
+#[derive(Clone)]
+pub(crate) struct TableStoreDriver {
+    config: VeilidConfig,
+}
+
+impl TableStoreDriver {
+    pub fn new(config: VeilidConfig) -> Self {
+        Self { config }
+    }
+
+    fn get_dbpath(&self, table: &str) -> VeilidAPIResult<PathBuf> {
+        let c = self.config.get();
+        let tablestoredir = c.table_store.directory.clone();
+        std::fs::create_dir_all(&tablestoredir).map_err(VeilidAPIError::from)?;
+
+        let dbpath: PathBuf = [tablestoredir, String::from(table)].iter().collect();
+        Ok(dbpath)
+    }
+
+    pub async fn open(&self, table_name: &str, column_count: u32) -> VeilidAPIResult<Database> {
+        let dbpath = self.get_dbpath(&table_name)?;
+
+        // Ensure permissions are correct
+        ensure_file_private_owner(&dbpath).map_err(VeilidAPIError::internal)?;
+
+        let cfg = DatabaseConfig::with_columns(column_count);
+        let db = Database::open(&dbpath, cfg).map_err(VeilidAPIError::from)?;
+
+        // Ensure permissions are correct
+        ensure_file_private_owner(&dbpath).map_err(VeilidAPIError::internal)?;
+
+        trace!(
+            "opened table store '{}' at path '{:?}' with {} columns",
+            table_name,
+            dbpath,
+            column_count
+        );
+        Ok(db)
+    }
+
+    pub async fn delete(&self, table_name: &str) -> VeilidAPIResult<bool> {
+        let dbpath = self.get_dbpath(&table_name)?;
+        if !dbpath.exists() {
+            return Ok(false);
+        }
+        std::fs::remove_file(dbpath).map_err(VeilidAPIError::from)?;
+        Ok(true)
+    }
+}