Specified MIT license and made the valve protocol check if the queried game is the right game

Cargo.toml

@@ -3,7 +3,7 @@ name = "gamedig"
 version = "0.0.1"
 edition = "2021"
 authors = ["CosminPerRam [cosmin.p@live.com]", "node-GameDig [https://github.com/gamedig/node-gamedig]"]
-license-file = "LICENSE.md"
+license = "MIT"
 description = "Check out servers with this."
 homepage = "https://github.com/CosminPerRam/rust-gamedig"
 documentation = "https://docs.rs/gamedig/latest/gamedig/"

src/errors.rs

@@ -7,7 +7,9 @@ pub enum GDError {
     PacketUnderflow(String),
     PacketBad(String),
     PacketSend(String),
-    PacketReceive(String)
+    PacketReceive(String),
+    UnknownEnumCast,
+    BadGame(String)
 }
 
 impl fmt::Display for GDError {
@@ -17,7 +19,9 @@ impl fmt::Display for GDError {
             GDError::PacketUnderflow(details) => write!(f, "Packet underflow: {details}"),
             GDError::PacketBad(details) => write!(f, "Packet bad: {details}"),
             GDError::PacketSend(details) => write!(f, "Couldn't send a packet: {details}"),
-            GDError::PacketReceive(details) => write!(f, "Couldn't receive a packet: {details}")
+            GDError::PacketReceive(details) => write!(f, "Couldn't receive a packet: {details}"),
+            GDError::UnknownEnumCast => write!(f, "Unknown enum cast encountered."),
+            GDError::BadGame(details) => write!(f, "Queried another game that the supposed one: {details}"),
         }
     }
 }

src/games/tf2.rs

@@ -1,5 +1,5 @@
 use crate::errors::GDError;
-use crate::valve::{Response, ValveProtocol, App, GatheringSettings};
+use crate::valve::{ValveProtocol, App, GatheringSettings, Response};
 
 pub struct TF2;
 
@@ -9,8 +9,7 @@ impl TF2 {
             None => 27015,
             Some(port) => port
         }, GatheringSettings {
-            info: false,
+            players: true,
-            players: false,
             rules: true
         })
     }

src/protocols/valve.rs

@@ -19,7 +19,7 @@ pub enum Environment {
 
 #[derive(Debug)]
 pub struct Response {
-    pub info: Option<ServerInfo>,
+    pub info: ServerInfo,
     pub players: Option<ServerPlayers>,
     pub rules: Option<ServerRules>
 }
@@ -62,7 +62,7 @@ pub struct Player {
 #[derive(Debug)]
 pub struct ServerRules {
     pub count: u16,
-    pub rules: HashMap<String, String>
+    pub map: HashMap<String, String>
 }
 
 #[derive(Debug)]
@@ -96,8 +96,20 @@ pub enum App {
     TheShip = 2400
 }
 
+impl TryFrom<u16> for App {
+    type Error = GDError;
+
+    fn try_from(value: u16) -> Result<Self, Self::Error> {
+        match value {
+            x if x == App::TF2 as u16 => Ok(App::TF2),
+            x if x == App::TF2 as u16 => Ok(App::CSGO),
+            x if x == App::TF2 as u16 => Ok(App::TheShip),
+            _ => Err(GDError::UnknownEnumCast),
+        }
+    }
+}
+
 pub struct GatheringSettings {
-    pub info: bool,
     pub players: bool,
     pub rules: bool
 }
@@ -171,11 +183,11 @@ impl ValveProtocol {
 
         self.send(&challenge_packet)?;
 
-        let packet = self.receive(DEFAULT_PACKET_SIZE)?;
+        let mut packet = self.receive(DEFAULT_PACKET_SIZE)?;
         if packet[0] == 0xFE || (packet[0] == 0xFF && packet[4] == 0x45) { //'E'
             self.receive_truncated(&packet)
         } else {
-            Ok(packet)
+            Ok(packet.drain(5..).collect::<Vec<u8>>())
         }
     }
 
@@ -276,7 +288,7 @@ impl ValveProtocol {
         })
     }
 
-    fn get_server_rules(&self, app: &App) -> Result<ServerRules, GDError> {
+    fn get_server_rules(&self) -> Result<ServerRules, GDError> {
         let buf = self.get_request_data(Request::RULES)?;
         let mut pos = 0;
 
@@ -290,25 +302,26 @@ impl ValveProtocol {
 
         Ok(ServerRules {
             count,
-            rules
+            map: rules
         })
     }
 
     pub(crate) fn query(app: App, address: &str, port: u16, gather: GatheringSettings) -> Result<Response, GDError> {
         let client = ValveProtocol::new(address, port);
 
+        let info = client.get_server_info(&app)?;
+
+        App::try_from(info.id).map_err(|_| GDError::BadGame(format!("Found {} instead!", info.id)))?;
+
         Ok(Response {
-            info: match gather.info {
+            info,
-                false => None,
-                true => Some(client.get_server_info(&app)?)
-            },
             players: match gather.players {
                 false => None,
                 true => Some(client.get_server_players(&app)?)
             },
             rules: match gather.rules {
                 false => None,
-                true => Some(client.get_server_rules(&app)?)
+                true => Some(client.get_server_rules()?)
             }
         })
     }