buffers update, warning fixes, ghosts killed

core/src/net/config.rs

@@ -0,0 +1,77 @@
+use std::sync::OnceLock;
+
+use netrunner_logger::warn;
+
+pub static GLOBAL_NET_CONFIG: OnceLock<NetworkConfig> = OnceLock::new();
+
+#[derive(Debug, Clone)]
+pub struct NetworkConfig {
+    pub mtu: usize,
+    pub max_wire_frame_size: usize,
+    pub safe_payload_size: usize,
+
+    pub tcp_buffer_size: usize,
+    pub udp_buffer_size: usize,
+    pub muxer_capacity: usize,
+    pub tcp_stream_capacity: usize,
+    pub udp_stream_capacity: usize,
+
+    pub smoltcp_socket_buf: usize,
+    pub tcp_chunk_size: usize,
+
+    pub tcp_buf_heavy: usize,
+    pub tcp_buf_light: usize,
+
+    pub udp_buf_heavy: usize,
+    pub udp_meta_heavy: usize,
+    pub udp_buf_light: usize,
+    pub udp_meta_light: usize,
+}
+impl NetworkConfig {
+    pub fn new(system_mtu: usize) -> Self {
+        let transport_overhead = 48;
+        let max_wire_frame = system_mtu.saturating_sub(transport_overhead);
+        let safe_payload = max_wire_frame.saturating_sub(64);
+
+        let chunk_size = 16 * 1024;
+        let heavy_buf = 256 * 1024;
+
+        Self {
+            mtu: system_mtu,
+            max_wire_frame_size: max_wire_frame,
+            safe_payload_size: safe_payload,
+
+            tcp_buffer_size: 8 * 1024,
+            udp_buffer_size: 1500,
+
+            muxer_capacity: 256,
+            tcp_stream_capacity: 32,
+            udp_stream_capacity: 128,
+
+            smoltcp_socket_buf: heavy_buf,
+            tcp_chunk_size: chunk_size,
+
+            tcp_buf_heavy: heavy_buf,
+            tcp_buf_light: 32 * 1024,
+
+            udp_buf_heavy: heavy_buf,
+            udp_meta_heavy: 512,
+
+            udp_buf_light: 16 * 1024,
+            udp_meta_light: 16,
+        }
+    }
+
+    pub fn init_global(system_mtu: usize) {
+        let config = Self::new(system_mtu);
+        if GLOBAL_NET_CONFIG.set(config).is_err() {
+            warn!("Global network config was already initialized!");
+        }
+    }
+
+    pub fn global() -> &'static Self {
+        GLOBAL_NET_CONFIG
+            .get()
+            .expect("Global NetworkConfig is not initialized! Call init_global() first.")
+    }
+}