First minimal commit

src/config.rs

@@ -0,0 +1,33 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Deserialize, Serialize, Default)]
+pub enum RunTypes {
+    #[default]
+    Tor,
+    I2P,
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct NSCConfig {
+    /// Paths to v2ray `geosite.dat', `geoip.dat`
+    pub geo_files: [String; 2],
+    /// Routing settings similar to v2ray 
+    pub routing: String,
+    /// TOR/I2P Proxies 
+    pub mode: RunTypes,
+}
+
+impl Default for NSCConfig {
+    fn default() -> Self {
+        Self {
+            geo_files: [
+                String::from("/etc/nsc/data/geoip.dat"),
+                String::from("/etc/nsc/data/geosite.dat"),
+            ],
+            routing: String::from("/etc/nsc/routing.toml"),
+            mode: RunTypes::Tor,
+        }
+    }
+}
+
+

src/geoparsers/geoip2.rs

@@ -0,0 +1,41 @@
+use ipnet::IpNet;
+use crate::config::NSCConfig; 
+
+/// Enum for declaring GeoSite/IP routing 
+pub enum RouteType {
+    /// GeoSite MMDB type, like `category-ads-all`
+    GeoSite(String),
+    /// Subnet
+    GeoIp(IpNet),   
+}
+
+/// Routing actions
+pub enum RouteAction {
+    Block,
+    Proxy,
+    Direct,
+}
+
+/// Type for declaring the routing rules like: 
+/// ```toml 
+/// [rule]
+/// action = enum RouteAction 
+/// target = enum RouteType 
+///
+/// [rule]
+/// target = "geosite:category-ads-all" 
+/// action = "block" 
+/// ```
+pub struct Rule {
+    pub target: RouteType,
+    pub action: RouteAction,
+}
+
+pub fn parse_ruleset(config: NSCConfig) -> Result<Vec<Rule>, Box<dyn std::error::Error>> {
+    let reader = maxminddb::Reader::open_readfile(config.geo_files[0].clone())?;
+    
+
+    // Ok(())
+    todo!();
+}
+

src/geoparsers/mod.rs

@@ -0,0 +1 @@
+mod geoip2;

src/main.rs

@@ -0,0 +1,6 @@
+mod config;
+mod geoparsers;
+
+fn main() {
+    println!("Hello, world!");
+}