Use anyhow for Result type

Cargo.lock

@@ -63,6 +63,12 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fc7eb209b1518d6bb87b283c20095f5228ecda460da70b44f0802523dea6da04"
 
+[[package]]
+name = "anyhow"
+version = "1.0.100"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+
 [[package]]
 name = "arboard"
 version = "3.6.1"
@@ -820,6 +826,7 @@ dependencies = [
 name = "gta-tools"
 version = "0.11.0"
 dependencies = [
+ "anyhow",
  "catppuccin-egui",
  "eframe",
  "egui_extras",

Cargo.toml

@@ -7,6 +7,7 @@ authors = ["futile <git@futile.eu>"]
 description = "A toolset of convenient things for GTA V Online."
 
 [dependencies]
+anyhow = "1.0.100"
 catppuccin-egui = { version = "5.6.0", default-features = false, features = [
     "egui32",
 ] }

src/features/empty_session.rs

@@ -3,10 +3,8 @@ use crate::util::{
     firewall::{Firewall, RuleDirection, RuleMode, RuleProtocol},
     system_info::SystemInfo,
 };
-use std::{
-    error::Error,
-    time::{Duration, Instant},
-};
+use anyhow::Result;
+use std::time::{Duration, Instant};
 
 const FILTER_NAME_EMPTY_SESSION_IN: &str = "[GTA Tools] Block inbound UDP traffic for all of GTA V";
 const FILTER_NAME_EMPTY_SESSION_OUT: &str =
@@ -32,7 +30,7 @@ impl Default for EmptySession {
 }
 
 impl EmptySession {
-    pub fn run_timers(&mut self, firewall: &Firewall) -> Result<(), Box<dyn Error>> {
+    pub fn run_timers(&mut self, firewall: &Firewall) -> Result<()> {
         if self.disabled {
             self.countdown.count();
         } else {
@@ -46,7 +44,7 @@ impl EmptySession {
     }
 }
 
-pub fn activate(system_info: &mut SystemInfo, firewall: &Firewall) -> Result<bool, Box<dyn Error>> {
+pub fn activate(system_info: &mut SystemInfo, firewall: &Firewall) -> Result<bool> {
     let Some(exe_path) = system_info.get_game_exe_path() else {
         log::info!("wasn't able to find game exe");
         return Ok(false);
@@ -66,7 +64,7 @@ pub fn activate(system_info: &mut SystemInfo, firewall: &Firewall) -> Result<boo
     Ok(true)
 }
 
-pub fn deactivate(firewall: &Firewall) -> Result<(), Box<dyn Error>> {
+pub fn deactivate(firewall: &Firewall) -> Result<()> {
     firewall.remove(FILTER_NAME_EMPTY_SESSION_IN)?;
     firewall.remove(FILTER_NAME_EMPTY_SESSION_OUT)?;
     Ok(())

src/features/game_networking.rs

@@ -5,7 +5,7 @@ use crate::{
         system_info::SystemInfo,
     },
 };
-use std::error::Error;
+use anyhow::Result;
 use strum::{Display, EnumIter};
 
 const FILTER_NAME_EXE: &str = "[GTA Tools] Block outbound traffic for all of GTA V";
@@ -40,11 +40,7 @@ impl Default for GameNetworking {
 }
 
 impl GameNetworking {
-    pub fn block_exe(
-        &mut self,
-        system_info: &mut SystemInfo,
-        firewall: &Firewall,
-    ) -> Result<(), Box<dyn Error>> {
+    pub fn block_exe(&mut self, system_info: &mut SystemInfo, firewall: &Firewall) -> Result<()> {
         let Some(exe_path) = system_info.get_game_exe_path() else {
             log::warn!("Unable to find game executable path.");
             return Ok(());
@@ -59,17 +55,13 @@ impl GameNetworking {
             .inspect(|_| self.blocked = BlockedStatus::ExeBlocked)
     }
 
-    pub fn unblock_exe(&mut self, firewall: &Firewall) -> Result<(), Box<dyn Error>> {
+    pub fn unblock_exe(&mut self, firewall: &Firewall) -> Result<()> {
         firewall
             .remove(FILTER_NAME_EXE)
             .inspect(|_| self.blocked = BlockedStatus::NotBlocked)
     }
 
-    pub fn block_save_server(
-        &mut self,
-        save_server_ip: &str,
-        firewall: &Firewall,
-    ) -> Result<(), Box<dyn Error>> {
+    pub fn block_save_server(&mut self, save_server_ip: &str, firewall: &Firewall) -> Result<()> {
         firewall
             .add(
                 FILTER_NAME_SAVE_SERVER,
@@ -80,7 +72,7 @@ impl GameNetworking {
             .inspect(|_| self.blocked = BlockedStatus::ServerBlocked)
     }
 
-    pub fn unblock_save_server(&mut self, firewall: &Firewall) -> Result<(), Box<dyn Error>> {
+    pub fn unblock_save_server(&mut self, firewall: &Firewall) -> Result<()> {
         firewall
             .remove(FILTER_NAME_SAVE_SERVER)
             .inspect(|_| self.blocked = BlockedStatus::NotBlocked)
@@ -90,7 +82,7 @@ impl GameNetworking {
         &mut self,
         block_method: BlockMethod,
         firewall: &Firewall,
-    ) -> Result<(), Box<dyn Error>> {
+    ) -> Result<()> {
         match block_method {
             BlockMethod::EntireGame => {
                 if self.blocked == BlockedStatus::ServerBlocked {

src/util/firewall.rs

@@ -1,4 +1,5 @@
-use std::{error::Error, path::PathBuf};
+use anyhow::Result;
+use std::path::PathBuf;
 use windows::{
     Win32::{
         NetworkManagement::WindowsFirewall::{
@@ -31,7 +32,7 @@ impl Firewall {
         mode: RuleMode,
         direction: RuleDirection,
         protocol: RuleProtocol,
-    ) -> Result<(), Box<dyn Error>> {
+    ) -> Result<()> {
         let add_rule = || {
             let rules = unsafe { self.policy.Rules() }?;
             unsafe { rules.Remove(&BSTR::from(name)) }?;
@@ -61,7 +62,7 @@ impl Firewall {
         add_rule().inspect_err(|e| log::warn!("Failed to add rule '{name}': {e}"))
     }
 
-    pub fn remove(&self, name: &str) -> Result<(), Box<dyn Error>> {
+    pub fn remove(&self, name: &str) -> Result<()> {
         let remove_rule = || {
             let rules = unsafe { self.policy.Rules() }?;
             unsafe { rules.Remove(&BSTR::from(name)) }?;
@@ -70,7 +71,7 @@ impl Firewall {
         remove_rule().inspect_err(|e| log::warn!("Failed to remove rule '{name}': {e}"))
     }
 
-    pub fn is_blocked(&self, name: &str) -> Result<bool, Box<dyn Error>> {
+    pub fn is_blocked(&self, name: &str) -> Result<bool> {
         let rules = unsafe { self.policy.Rules() }?;
         let rule_exists = unsafe { rules.Item(&BSTR::from(name)) }.is_ok();
         Ok(rule_exists)