feature (logging): added a logging backend and spreaded a few info log calls over the codebase

Cargo.lock

@@ -58,6 +58,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.71"
@@ -70,6 +85,12 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d301b3b94cb4b2f23d7917810addbbaff90738e0ca2be692bd027e70d7e0330c"
 
+[[package]]
+name = "arc-swap"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bddcadddf5e9015d310179a59bb28c4d4b9920ad0f11e8e14dbadf654890c9a6"
+
 [[package]]
 name = "arrayref"
 version = "0.3.7"
@@ -324,6 +345,21 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "chrono"
+version = "0.4.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ec837a71355b28f6556dbd569b37b3f363091c0bd4b2e735674521b4c5fd9bc5"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "time",
+ "wasm-bindgen",
+ "winapi",
+]
+
 [[package]]
 name = "cipher"
 version = "0.3.0"
@@ -535,6 +571,17 @@ dependencies = [
  "const-oid",
 ]
 
+[[package]]
+name = "derivative"
+version = "2.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcc3dd5e9e9c0b295d6e1e4d811fb6f157d5ffd784b8d202fc62eac8035a770b"
+dependencies = [
+ "proc-macro2 1.0.63",
+ "quote 1.0.29",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "derive_builder"
 version = "0.11.2"
@@ -566,6 +613,12 @@ dependencies = [
  "syn 1.0.109",
 ]
 
+[[package]]
+name = "destructure_traitobject"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c877555693c14d2f84191cfd3ad8582790fc52b5e2274b40b59cf5f5cea25c7"
+
 [[package]]
 name = "digest"
 version = "0.9.0"
@@ -1004,6 +1057,12 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
+[[package]]
+name = "humantime"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a3a5bfb195931eeb336b2a7b4d761daec841b97f947d34394601737a7bba5e4"
+
 [[package]]
 name = "hyper"
 version = "0.14.27"
@@ -1041,6 +1100,29 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.57"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fad5b825842d2b38bd206f3e81d6957625fd7f0a361e345c30e01a0ae2dd613"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "ident_case"
 version = "1.0.1"
@@ -1185,6 +1267,12 @@ version = "0.2.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4668fb0ea861c1df094127ac5f1da3409a82116a4ba74fca2e58ef927159bb3"
 
+[[package]]
+name = "linked-hash-map"
+version = "0.5.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.3.8"
@@ -1206,6 +1294,41 @@ name = "log"
 version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b06a4cde4c0f271a446782e3eff8de789548ce57dbc8eca9292c27f4a42004b4"
+dependencies = [
+ "serde",
+]
+
+[[package]]
+name = "log-mdc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a94d21414c1f4a51209ad204c1776a3d0765002c76c6abcb602a6f09f1e881c7"
+
+[[package]]
+name = "log4rs"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d36ca1786d9e79b8193a68d480a0907b612f109537115c6ff655a3a1967533fd"
+dependencies = [
+ "anyhow",
+ "arc-swap",
+ "chrono",
+ "derivative",
+ "fnv",
+ "humantime",
+ "libc",
+ "log",
+ "log-mdc",
+ "parking_lot 0.12.1",
+ "serde",
+ "serde-value",
+ "serde_json",
+ "serde_yaml",
+ "thiserror",
+ "thread-id",
+ "typemap-ors",
+ "winapi",
+]
 
 [[package]]
 name = "lru"
@@ -1471,6 +1594,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "num-traits"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
+dependencies = [
+ "autocfg 1.1.0",
+]
+
 [[package]]
 name = "num_cpus"
 version = "1.15.0"
@@ -1546,6 +1678,15 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "ordered-float"
+version = "2.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7940cf2ca942593318d07fcf2596cdca60a85c9e7fab408a5e21a4f9dcd40d87"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "overload"
 version = "0.1.1"
@@ -2193,6 +2334,16 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-value"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f3a1a3341211875ef120e117ea7fd5228530ae7e7036a779fdc9117be6b3282c"
+dependencies = [
+ "ordered-float",
+ "serde",
+]
+
 [[package]]
 name = "serde_bytes"
 version = "0.11.9"
@@ -2236,6 +2387,18 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.8.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "578a7433b776b56a35785ed5ce9a7e777ac0598aac5a6dd1b4b18a307c7fc71b"
+dependencies = [
+ "indexmap 1.9.3",
+ "ryu",
+ "serde",
+ "yaml-rust",
+]
+
 [[package]]
 name = "sha2"
 version = "0.9.9"
@@ -2434,6 +2597,17 @@ dependencies = [
  "syn 2.0.22",
 ]
 
+[[package]]
+name = "thread-id"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ee93aa2b8331c0fec9091548843f2c90019571814057da3b783f9de09349d73"
+dependencies = [
+ "libc",
+ "redox_syscall 0.2.16",
+ "winapi",
+]
+
 [[package]]
 name = "thread_local"
 version = "1.1.7"
@@ -2444,6 +2618,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.45"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
+dependencies = [
+ "libc",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -2608,6 +2793,8 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "crossterm",
+ "log",
+ "log4rs",
  "matrix-sdk",
  "serde",
  "tokio",
@@ -2645,6 +2832,15 @@ dependencies = [
  "tui",
 ]
 
+[[package]]
+name = "typemap-ors"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a68c24b707f02dd18f1e4ccceb9d49f2058c2fb86384ef9972592904d7a28867"
+dependencies = [
+ "unsafe-any-ors",
+]
+
 [[package]]
 name = "typenum"
 version = "1.16.0"
@@ -2700,6 +2896,15 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "unsafe-any-ors"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0a303d30665362d9680d7d91d78b23f5f899504d4f08b3c4cf08d055d87c0ad"
+dependencies = [
+ "destructure_traitobject",
+]
+
 [[package]]
 name = "url"
 version = "2.4.0"
@@ -2797,6 +3002,12 @@ version = "0.9.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
+[[package]]
+name = "wasi"
+version = "0.10.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
@@ -2924,6 +3135,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows"
+version = "0.48.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.42.0"
@@ -3077,6 +3297,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "yaml-rust"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
+dependencies = [
+ "linked-hash-map",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.3.0"

Cargo.toml

@@ -15,3 +15,5 @@ anyhow = "1.0"
 tokio = { version = "1.0", features = ["macros", "rt-multi-thread"] }
 tracing-subscriber = "0.3"
 serde = "1.0"
+log = "0.4"
+log4rs = "1.2"

src/accounts.rs

@@ -1,4 +1,3 @@
-use std::borrow::{Borrow, BorrowMut};
 use std::fs;
 use matrix_sdk::{Client,
                  config::SyncSettings,
@@ -8,6 +7,7 @@ use matrix_sdk::{Client,
                  Session};
 use anyhow::{Error, Result};
 use serde::{Deserialize, Serialize};
+use log::{error, warn, info};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct Account {
@@ -46,6 +46,7 @@ impl AccountsManager {
     pub fn new(config:Option<String>) -> Self {
         return match config {
             Some(s) => {
+                info!("Loading serialized AccountsManager");
                 let accounts_data:AccountsData = serde_json::from_str(&s).expect("failed to deserialize json");
                 let mut clients = Vec::new();
                 clients.resize(accounts_data.accounts.len(), None);
@@ -56,12 +57,15 @@ impl AccountsManager {
                     clients,
                 }
             },
-            None => Self {
+            None => {
+                info!("Creating empty AccountsManager");
+                Self {
                     current_account: 0,
                     num_accounts: 0,
                     accounts: Vec::new(),
                     clients: Vec::new(),
-            },
+                }
+            }
         }
     }
 
@@ -75,22 +79,18 @@ impl AccountsManager {
             .build()
             .await?;
 
-        client
+        client.login_username(username, password)
-            .login_username(username, password)
             .initial_device_display_name("Trinitrix")
             .send()
             .await?;
 
         let session = client.session().expect("failed to get session");
 
-        println!("logged in as '{username}' device ID: {}", session.device_id.as_str());
-
-
         let account = Account {
             homeserver: homeserver.to_string(),
             id,
             name: client.account().get_display_name().await?.expect("failed to fetch display name"),
-            session,
+            session: session.clone(),
             sync_token: None
         };
 
@@ -98,9 +98,10 @@ impl AccountsManager {
         self.current_account = id;
         self.accounts.push(account);
         self.clients.push(Some(client));
-
         self.save()?;
 
+        info!("Logged in as '{}' device ID: {}", session.user_id.to_string(), session.device_id.to_string());
+
         Ok(id)
     }
 
@@ -108,25 +109,26 @@ impl AccountsManager {
         self.logout().await?; // log out the current account
 
         let account = if account_id >= self.num_accounts {
+            error!("Tried to log in with an invalid account ID {}", account_id);
             return Err(Error::msg("Invalid account ID"));
         } else {
             self.get(account_id).expect("Account lookup failed")
         };
 
-
         if self.clients.get(account_id as usize).expect("client lookup failed").is_none() {
+            info!("No client cached for account: '{}' -> requesting a new one", &account.session.user_id);
             let client = Client::builder()
                 .homeserver_url(&account.homeserver)
                 .sled_store(format!("userdata/{account_id}"), Some("supersecure")) ?
                 .build()
                 .await?;
             client.restore_login(account.session.clone()).await?;
-
-            println!("restored account: '{}' device ID: {}", &account.session.user_id, &account.session.device_id);
         } else {
-            println!("using cached client for account: '{}' device ID: {}", &account.session.user_id, &account.session.device_id);
+            info!("Using cached client for account: '{}'", &account.session.user_id);
         };
 
+        info!("Restored account: '{}' device ID: {}", &account.session.user_id, &account.session.device_id);
+
         self.current_account = account_id;
 
         Ok(())
@@ -142,7 +144,7 @@ impl AccountsManager {
             Some(c) => c,
         };
 
-        println!("logged out {}", client.session().unwrap().user_id);
+        info!("Logged out '{}' locally", client.session().unwrap().user_id);
         client.logout().await?;
 
         Ok(())
@@ -157,6 +159,8 @@ impl AccountsManager {
         let serialized = serde_json::to_string(&accounts_data)?;
         fs::write("userdata/accounts.json", serialized)?;
 
+        info!("Saved serialized accounts config (userdata/accounts.json)");
+
         Ok(())
     }
 

src/app/mod.rs

@@ -1,9 +1,10 @@
-use std::path::Path;
 use crate::accounts;
 
+use std::path::Path;
 use matrix_sdk::{Client};
 use accounts::Account;
 use accounts::AccountsManager;
+use log::{error, warn, info};
 
 pub struct Message {
     pub author: String,
@@ -25,6 +26,7 @@ impl App {
     pub fn new() -> Self {
         let path:&std::path::Path = Path::new("userdata/accounts.json");
         let config = if path.exists() {
+            info!("Reading account config (userdata/accounts.json)");
             Some(std::fs::read_to_string(path).expect("failed to read accounts config"))
         } else {
             None
@@ -45,6 +47,8 @@ impl App {
 
         room.messages.push(Message {author: "someone".to_string(), message: "test".to_string()});
 
+        info!("Filling in test data");
+
         self.rooms.push(room);
     }
 

src/main.rs

@@ -2,21 +2,35 @@ mod ui;
 mod accounts;
 mod app;
 
+use crate::ui::UI;
 use matrix_sdk::ruma::exports::serde_json;
 use tokio::time::{sleep, Duration};
 use std::{io, thread};
-use crate::app::Message;
+use log::{error, warn, info, LevelFilter};
-use crate::ui::UI;
+use log4rs::append::file::FileAppender;
+use log4rs::encode::pattern::PatternEncoder;
+use log4rs::config::{Appender, Config, Root};
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    tracing_subscriber::fmt::init();
+    let logfile = FileAppender::builder()
+        .encoder(Box::new(PatternEncoder::new("{l} - {m}\n")))
+        .build("userdata/output.log")?;
+
+    let config = Config::builder()
+        .appender(Appender::builder().build("logfile", Box::new(logfile)))
+        .build(Root::builder()
+            .appender("logfile")
+            .build(LevelFilter::Info))?;
+
+    log4rs::init_config(config)?;
 
     let mut app = app::App::new();
     app.fill_test_data();
 
     let mut ui = UI::new();
     if app.accounts_manager.num_accounts() == 0 {
+        info!("No saved sessions found -> jumping into setup");
         ui.setup(&mut app).await?;
     }
 

src/ui/mod.rs

@@ -1,5 +1,6 @@
-use std::cmp;
 use crate::app::{App};
+
+use std::cmp;
 use crossterm::{
     event::{self, DisableMouseCapture, EnableMouseCapture, Event, read},
     execute,
@@ -9,13 +10,14 @@ use crossterm::{
 use anyhow::{Error, Result};
 use std::io::Stdout;
 use std::io;
-use tui::{backend::CrosstermBackend, layout::{Constraint, Direction, Layout, Rect}, widgets::{Block, Borders, Widget}, Terminal, Frame};
+use tui::{backend::CrosstermBackend, layout::{Constraint, Direction, Layout}, widgets::{Block, Borders, Widget}, Terminal, Frame};
 use tui::layout::Alignment;
 use tui::style::{Color, Modifier, Style};
 use tui::text::{Spans, Span, Text};
 use tui::widgets::{Paragraph, Wrap};
 use tui_textarea::{Input, Key, TextArea};
 use tui_textarea::Key::Char;
+use log::{error, warn, info};
 
 #[derive(Clone, Copy)]
 enum SetupInputPosition {
@@ -46,7 +48,8 @@ fn terminal_prepare() -> Result<Stdout> {
     enable_raw_mode()?;
     let mut stdout = io::stdout();
     execute!(stdout, EnterAlternateScreen, EnableMouseCapture)?;
-    return Ok(stdout);
+    info!("Prepared terminal");
+    Ok(stdout)
 }
 
 fn textarea_activate(textarea: &mut TextArea) {
@@ -81,6 +84,19 @@ fn cycle_main_input_position(input_position: &MainInputPosition) -> MainInputPos
     }
 }
 
+impl Drop for UI<'_> {
+    fn drop(&mut self) {
+        info!("Destructing UI");
+        disable_raw_mode().expect("While destructing UI -> Failed to disable raw mode");
+        execute!(
+            self.terminal.backend_mut(),
+            LeaveAlternateScreen,
+            DisableMouseCapture
+        ).expect("While destructing UI -> Failed execute backend commands (LeaveAlternateScreen and DisableMouseCapture)");
+        self.terminal.show_cursor().expect("While destructing UI -> Failed to re-enable cursor");
+    }
+}
+
 impl UI<'_> {
     pub fn new() -> Self {
         let stdout = terminal_prepare().expect("failed to prepare terminal");
@@ -95,6 +111,8 @@ impl UI<'_> {
                 .title("Message Compose")
                 .borders(Borders::ALL));
 
+        info!("Initialized UI");
+
         Self {
             terminal,
             input_position: MainInputPosition::Rooms,
@@ -217,6 +235,8 @@ impl UI<'_> {
     }
 
     pub async fn main(&mut self, app: &mut App) -> Result<()> {
+        info!("Starting main UI");
+
         textarea_activate(&mut self.message_compose);
 
         self.terminal.clear().expect("failed to clear screen");
@@ -243,6 +263,8 @@ impl UI<'_> {
     }
 
     pub async fn setup(&mut self, app: &mut App) -> Result<()> {
+        info!("Starting setup UI");
+
         let mut input_index = SetupInputPosition::Homeserver;
         let mut strings: Vec<String> = Vec::new();
         strings.resize(3, "".to_string());
@@ -370,15 +392,4 @@ impl UI<'_> {
             };
         }
     }
-
-    pub fn close(&mut self) -> Result<()>{
-        disable_raw_mode()?;
-        execute!(
-            self.terminal.backend_mut(),
-            LeaveAlternateScreen,
-            DisableMouseCapture
-        )?;
-        self.terminal.show_cursor()?;
-        Ok(())
-    }
 }