Full migration and transition to Rust; Remove python artifacts

crates/myfsio-server/src/services/access_logging.rs

@@ -0,0 +1,105 @@
+use parking_lot::RwLock;
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::path::{Path, PathBuf};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LoggingConfiguration {
+    pub target_bucket: String,
+    #[serde(default)]
+    pub target_prefix: String,
+    #[serde(default = "default_enabled")]
+    pub enabled: bool,
+}
+
+fn default_enabled() -> bool {
+    true
+}
+
+#[derive(Serialize, Deserialize)]
+struct StoredLoggingFile {
+    #[serde(rename = "LoggingEnabled")]
+    logging_enabled: Option<StoredLoggingEnabled>,
+}
+
+#[derive(Serialize, Deserialize)]
+struct StoredLoggingEnabled {
+    #[serde(rename = "TargetBucket")]
+    target_bucket: String,
+    #[serde(rename = "TargetPrefix", default)]
+    target_prefix: String,
+}
+
+pub struct AccessLoggingService {
+    storage_root: PathBuf,
+    cache: RwLock<HashMap<String, Option<LoggingConfiguration>>>,
+}
+
+impl AccessLoggingService {
+    pub fn new(storage_root: &Path) -> Self {
+        Self {
+            storage_root: storage_root.to_path_buf(),
+            cache: RwLock::new(HashMap::new()),
+        }
+    }
+
+    fn config_path(&self, bucket: &str) -> PathBuf {
+        self.storage_root
+            .join(".myfsio.sys")
+            .join("buckets")
+            .join(bucket)
+            .join("logging.json")
+    }
+
+    pub fn get(&self, bucket: &str) -> Option<LoggingConfiguration> {
+        if let Some(cached) = self.cache.read().get(bucket).cloned() {
+            return cached;
+        }
+
+        let path = self.config_path(bucket);
+        let config = if path.exists() {
+            std::fs::read_to_string(&path)
+                .ok()
+                .and_then(|s| serde_json::from_str::<StoredLoggingFile>(&s).ok())
+                .and_then(|f| f.logging_enabled)
+                .map(|e| LoggingConfiguration {
+                    target_bucket: e.target_bucket,
+                    target_prefix: e.target_prefix,
+                    enabled: true,
+                })
+        } else {
+            None
+        };
+
+        self.cache
+            .write()
+            .insert(bucket.to_string(), config.clone());
+        config
+    }
+
+    pub fn set(&self, bucket: &str, config: LoggingConfiguration) -> std::io::Result<()> {
+        let path = self.config_path(bucket);
+        if let Some(parent) = path.parent() {
+            std::fs::create_dir_all(parent)?;
+        }
+        let stored = StoredLoggingFile {
+            logging_enabled: Some(StoredLoggingEnabled {
+                target_bucket: config.target_bucket.clone(),
+                target_prefix: config.target_prefix.clone(),
+            }),
+        };
+        let json = serde_json::to_string_pretty(&stored)
+            .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
+        std::fs::write(&path, json)?;
+        self.cache.write().insert(bucket.to_string(), Some(config));
+        Ok(())
+    }
+
+    pub fn delete(&self, bucket: &str) {
+        let path = self.config_path(bucket);
+        if path.exists() {
+            let _ = std::fs::remove_file(&path);
+        }
+        self.cache.write().insert(bucket.to_string(), None);
+    }
+}