ok it works lol

Cargo.lock

@@ -19,6 +19,15 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -86,12 +95,6 @@ dependencies = [
  "hashbrown",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
-
 [[package]]
 name = "lazy_static"
 version = "1.4.0"
@@ -161,12 +164,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "ryu"
-version = "1.0.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
-
 [[package]]
 name = "serde"
 version = "1.0.136"
@@ -187,17 +184,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "serde_json"
-version = "1.0.79"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e8d9fa5c3b304765ce1fd9c4c8a3de2c8db365a5b91be52f186efc675681d95"
-dependencies = [
- "itoa",
- "ryu",
- "serde",
-]
-
 [[package]]
 name = "strsim"
 version = "0.10.0"
@@ -219,9 +205,9 @@ dependencies = [
 name = "telemetry"
 version = "0.1.0"
 dependencies = [
+ "bincode",
  "clap",
  "serde",
- "serde_json",
 ]
 
 [[package]]

Cargo.toml

@@ -8,4 +8,4 @@ edition = "2021"
 [dependencies]
 clap = { version = "3.1.1", features = ["derive"] }
 serde = { version = "1.0.136", features = ["derive"] }
-serde_json = "1.0.79"
+bincode = "1.3.3"

src/main.rs

@@ -1,17 +1,120 @@
+use std::net;
+use std::net::UdpSocket;
+
+use bincode;
 use clap::Parser;
+use serde::{Deserialize, Serialize};
 
 #[derive(Parser, Debug)]
 #[clap(author, version, about, long_about = None)]
 struct Args {
     #[clap(short, long, default_value = "")]
     folder: String,
+
+    #[clap(short, long, default_value_t = 9999)]
+    port: i32,
+
+    #[clap(short, long)]
+    verbose: bool,
+
+    #[clap(short, long)]
+    errors: bool,
 }
 
-use serde::{Deserialize, Serialize};
 #[derive(Serialize, Deserialize, Debug)]
 struct Telemetry {
-    is_race_on: bool,
+    // is_race_on: i32,
-    time_stamp_ms: u64,
+    // timestamp_ms: u32,
+    // engine_max_rpm: f32,
+    // engine_idle_rpm: f32,
+    // current_engine_rpm: f32,
+    // acceleration_x: f32,
+    // acceleration_y: f32,
+    // acceleration_z: f32,
+    // velocity_x: f32,
+    // velocity_y: f32,
+    // velocity_z: f32,
+    // angular_velocity_x: f32,
+    // angular_velocity_y: f32,
+    // angular_velocity_z: f32,
+    // yaw: f32,
+    // pitch: f32,
+    // roll: f32,
+    // normalized_suspension_travel_front_left: f32,
+    // normalized_suspension_travel_front_right: f32,
+    // normalized_suspension_travel_rear_left: f32,
+    // normalized_suspension_travel_rear_right: f32,
+    // tire_slip_ratio_front_left: f32,
+    // tire_slip_ratio_front_right: f32,
+    // tire_slip_ratio_rear_left: f32,
+    // tire_slip_ratio_rear_right: f32,
+    // wheel_rotation_speed_front_left: f32,
+    // wheel_rotation_speed_front_right: f32,
+    // wheel_rotation_speed_rear_left: f32,
+    // wheel_rotation_speed_rear_right: f32,
+    // wheel_on_rumble_strip_front_left: i32,
+    // wheel_on_rumble_strip_front_right: i32,
+    // wheel_on_rumble_strip_rear_left: i32,
+    // wheel_on_rumble_strip_rear_right: i32,
+    // wheel_in_puddle_depth_front_left: f32,
+    // wheel_in_puddle_depth_front_right: f32,
+    // wheel_in_puddle_depth_rear_left: f32,
+    // wheel_in_puddle_depth_rear_right: f32,
+    // surface_rumble_front_left: f32,
+    // surface_rumble_front_right: f32,
+    // surface_rumble_rear_left: f32,
+    // surface_rumble_rear_right: f32,
+    // tire_slip_angle_front_left: f32,
+    // tire_slip_angle_front_right: f32,
+    // tire_slip_angle_rear_left: f32,
+    // tire_slip_angle_rear_right: f32,
+    // tire_combined_slip_front_left: f32,
+    // tire_combined_slip_front_right: f32,
+    // tire_combined_slip_rear_left: f32,
+    // tire_combined_slip_rear_right: f32,
+    // suspension_travel_meters_front_left: f32,
+    // suspension_travel_meters_front_right: f32,
+    // suspension_travel_meters_rear_left: f32,
+    // suspension_travel_meters_rear_right: f32,
+    // car_ordinal: i32,
+    // car_class: i32,
+    // car_performance_index: i32,
+    // drivetrain_type: i32,
+    // num_cylinders: i32,
+    // horizon_placeholder1: u32,
+    // horizon_placeholder2: u32,
+    // horizon_placeholder3: u32,
+    // position_x: f32,
+    // position_y: f32,
+    // position_z: f32,
+    // speed: f32,
+    // power: f32,
+    // torque: f32,
+    // tire_temp_front_left: f32,
+    // tire_temp_front_right: f32,
+    // tire_temp_rear_left: f32,
+    // tire_temp_rear_right: f32,
+    // boost: f32,
+    // fuel: f32,
+    // distance_traveled: f32,
+    // best_lap: f32,
+    // last_lap: f32,
+    // current_lap: f32,
+    // current_race_time: f32,
+    // lap_number: u16,
+    // race_position: u8,
+    // accel: u8,
+    // brake: u8,
+    // clutch: u8,
+    // hand_brake: u8,
+    // gear: u8,
+    // steer: i8,
+    // normalized_driving_line: i8,
+    // normalized_ai_brake_difference: i8,
+
+    // BORDER
+    is_race_on: i32,
+    time_stamp_ms: u32,
     engine_max_rpm: f32,
     engine_idle_rpm: f32,
     current_engine_rpm: f32,
@@ -68,14 +171,14 @@ struct Telemetry {
     drivetrai32ype: i32,
     num_cylinders: i32,
     car_type: i32,
-    unknown1: i8,
+    unknown1: u8,
-    unknown2: i8,
+    unknown2: u8,
-    unknown3: i8,
+    unknown3: u8,
-    unknown4: i8,
+    unknown4: u8,
-    unknown5: i8,
+    unknown5: u8,
-    unknown6: i8,
+    unknown6: u8,
-    unknown7: i8,
+    unknown7: u8,
-    unknown8: i8,
+    unknown8: u8,
     car_ordinal: i32,
     position_x: f32,
     position_y: f32,
@@ -95,19 +198,46 @@ struct Telemetry {
     current_lap: f32,
     current_race_time: f32,
     lap_number: i16,
-    race_position: i8,
+    race_position: u8,
-    accel: i8,
+    accel: u8,
-    brake: i8,
+    brake: u8,
-    clutch: i8,
+    clutch: u8,
-    handbrake: i8,
+    handbrake: u8,
-    gear: i8,
+    gear: u8,
     steer: i8,
     normalized_driving_line: i8,
     normalized_ai_brake_difference: i8,
 }
 
+fn listen(socket: &net::UdpSocket, mut buffer: &mut [u8]) -> usize {
+    let (number_of_bytes, _) = socket.recv_from(&mut buffer).expect("no data received");
+    number_of_bytes
+}
 fn main() {
     let args = Args::parse();
+    let ip = format!("0.0.0.0:{}", args.port.to_string());
 
+    if args.verbose {
+        if args.folder != "" {
             println!("Folder: {}", args.folder);
+        } else {
+            println!("No folder specified - not saving logs");
+        }
+    }
+
+    let socket = UdpSocket::bind(ip).expect("couldnt bind");
+    let mut buf = [0; 500];
+
+    while listen(&socket, &mut buf) != 0 {
+        let deserialised: Telemetry = bincode::deserialize(&buf).expect("couldnt deser");
+        if deserialised.current_engine_rpm == 0.0 {
+            continue;
+        }
+        if args.verbose {
+            println!(
+                "Gear: {}, RPM: {}",
+                deserialised.gear, deserialised.current_engine_rpm
+            );
+        }
+    }
 }