diff --git a/Cargo.lock b/Cargo.lock
index 6fd01223c24d988fb7cce00a3fb3b2ec74544ef1..830975527667b31fd90287ee15e9d4c6fd4b96f9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1194,7 +1194,6 @@ dependencies = [
"failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
"structopt 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"termion 1.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/lib/modules/tui/Cargo.toml b/lib/modules/tui/Cargo.toml
index feb04a531ab5ab1d20b71aff1c523f0ac8ecb439..187ebe53112d10023577b89e64da283e21bc4eb5 100644
--- a/lib/modules/tui/Cargo.toml
+++ b/lib/modules/tui/Cargo.toml
@@ -21,11 +21,12 @@ durs-network = { path = "../../core/network" }
durs-network-documents = { path = "../../dunp/network-documents" }
failure = "0.1.5"
log = "0.4.*"
-serde = "1.0.*"
-serde_derive = "1.0.*"
+serde = { version = "1.0.*", features = ["derive"] }
serde_json = "1.0.*"
structopt= "0.3.4"
-termion = "1.5.2"
unwrap = "1.2.1"
+[target.'cfg(unix)'.dependencies]
+termion = "1.5.2"
+
[features]
diff --git a/lib/modules/tui/lib.rs b/lib/modules/tui/lib.rs
index 45c776823bfbabba5485a2b85de0be658da7e9ed..8e047915420d5541c22a96db898c33180f003c37 100644
--- a/lib/modules/tui/lib.rs
+++ b/lib/modules/tui/lib.rs
@@ -16,640 +16,8 @@
//! Defined the few global types used by all modules,
//! as well as the DursModule trait that all modules must implement.
-#![deny(
- clippy::option_unwrap_used,
- clippy::result_unwrap_used,
- missing_docs,
- missing_debug_implementations,
- missing_copy_implementations,
- trivial_casts,
- trivial_numeric_casts,
- unsafe_code,
- unstable_features,
- unused_import_braces,
- unused_qualifications
-)]
+#[cfg(unix)]
+pub mod tui;
-#[macro_use]
-extern crate log;
-#[macro_use]
-extern crate serde_derive;
-#[macro_use]
-extern crate structopt;
-
-use dubp_currency_params::CurrencyName;
-use durs_common_tools::fatal_error;
-use durs_common_tools::traits::merge::Merge;
-use durs_conf::DuRsConf;
-use durs_message::events::*;
-use durs_message::*;
-use durs_module::*;
-use durs_network::events::NetworkEvent;
-use durs_network_documents::network_head::NetworkHead;
-use durs_network_documents::NodeFullId;
-use std::collections::HashMap;
-use std::io::{stdout, Write};
-use std::ops::Deref;
-use std::sync::mpsc::{channel, Receiver, RecvTimeoutError, Sender};
-use std::thread;
-use std::time::{Duration, SystemTime};
-use termion::event::*;
-use termion::input::{MouseTerminal, TermRead};
-use termion::raw::{IntoRawMode, RawTerminal};
-use termion::{clear, color, cursor, style};
-use unwrap::unwrap;
-
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
-/// Tui Module Configuration (For future use)
-pub struct TuiConf {}
-
-impl Default for TuiConf {
- fn default() -> Self {
- TuiConf {}
- }
-}
-
-impl Merge for TuiConf {
- fn merge(self, _: Self) -> Self {
- self
- }
-}
-
-#[derive(Debug, Clone)]
-/// Format of messages received by the tui module
-pub enum TuiMess {
- /// Message from another module
- DursMsg(Box<DursMsg>),
- /// Message from stdin (user event)
- TermionEvent(Event),
-}
-
-#[derive(Debug, Copy, Clone)]
-/// Tui module
-pub struct TuiModule {}
-
-#[derive(StructOpt, Debug, Copy, Clone)]
-#[structopt(name = "tui", setting(structopt::clap::AppSettings::ColoredHelp))]
-/// Tui subcommand options
-pub struct TuiOpt {}
-
-#[derive(Debug, Clone)]
-/// Network connexion (data to display)
-pub struct Connection {
- /// Connexion status
- status: u32,
- /// Endpoint url
- url: String,
- /// Node uid at the other end of the connection (member nodes only)
- uid: Option<String>,
-}
-
-#[derive(Debug, Clone)]
-/// Data that the Tui module needs to cache
-pub struct TuiModuleDatas {
- /// Sender of all other modules
- pub router_sender: Sender<RouterThreadMessage<DursMsg>>,
- /// HEADs cache content
- pub heads_cache: HashMap<NodeFullId, NetworkHead>,
- /// Position of the 1st head displayed on the screen
- pub heads_index: usize,
- /// Connections cache content
- pub connections_status: HashMap<NodeFullId, Connection>,
- /// Number of connections in `Established` status
- pub established_conns_count: usize,
-}
-
-impl TuiModuleDatas {
- /// Draw terminal
- fn draw_term<W: Write>(
- &self,
- stdout: &mut RawTerminal<W>,
- start_time: SystemTime,
- heads_cache: &HashMap<NodeFullId, NetworkHead>,
- heads_index: usize,
- out_connections_status: &HashMap<NodeFullId, Connection>,
- _in_connections_status: &HashMap<NodeFullId, Connection>,
- ) -> Result<(), std::io::Error> {
- // Get Terminal size
- let (w, h) = termion::terminal_size().expect("Fail to get terminal size !");
-
- // Prepare connections screen
- let mut out_never_try_conns_count = 0;
- let mut out_unreachable_conns_count = 0;
- let mut out_trying_conns_count = 0;
- let mut out_denial_conns_count = 0;
- let mut out_disconnected_conns_count = 0;
- let mut out_established_conns = Vec::new();
- for (node_full_id, connection) in out_connections_status {
- match connection.status {
- 0 => out_never_try_conns_count += 1,
- 2 | 4 => out_unreachable_conns_count += 1,
- 1 | 3 | 5 | 7 | 8 | 9 => out_trying_conns_count += 1,
- 10 => out_denial_conns_count += 1,
- 11 => out_disconnected_conns_count += 1,
- 12 => out_established_conns.push((
- node_full_id,
- connection.uid.clone(),
- connection.url.clone(),
- )),
- _ => {}
- }
- }
-
- // Prepare HEADs screen
- let mut heads = heads_cache.values().collect::<Vec<&NetworkHead>>();
- heads.sort_unstable_by(|a, b| b.cmp(a));
- let heads_window_size = h as isize - 8 - out_established_conns.len() as isize;
- let heads_index_max = if heads_window_size > 0 && heads.len() > heads_window_size as usize {
- heads.len() - heads_window_size as usize
- } else {
- 0
- };
-
- // Clear term and reset background color
- write!(
- stdout,
- "{}{}{}",
- color::Bg(color::Black),
- clear::All,
- cursor::Goto(1, 1)
- )?;
-
- // Draw headers
- let mut line = 1;
- write!(
- stdout,
- "{}{}{} established connections : ",
- cursor::Goto(1, line),
- color::Fg(color::White),
- out_established_conns.len()
- )?;
- line += 1;
- write!(
- stdout,
- "{}{}{} NodeId-PubKey",
- cursor::Goto(1, line),
- color::Fg(color::White),
- style::Italic,
- )?;
-
- // Draw inter-nodes established connections
- if out_established_conns.is_empty() {
- line += 1;
- write!(
- stdout,
- "{}{}{}No established connections !",
- cursor::Goto(2, line),
- color::Fg(color::Red),
- style::Bold,
- )?;
- } else {
- for (ref node_full_id, ref uid, ref url) in out_established_conns {
- line += 1;
- let mut uid_string = uid
- .clone()
- .unwrap_or_else(|| String::from("----------------"));
- uid_string.truncate(16);
- write!(
- stdout,
- "{}{} {} {:16} {}",
- cursor::Goto(2, line),
- color::Fg(color::Green),
- node_full_id.to_human_string(),
- uid_string,
- url,
- )?;
- }
- }
-
- // Draw number of conns per state
- line += 1;
- write!(
- stdout,
- "{}{}{} know endpoints : {} Never try, {} Unreach, {} on trial, {} Denial, {} Close.",
- cursor::Goto(2, line),
- color::Fg(color::Rgb(128, 128, 128)),
- out_connections_status.len(),
- out_never_try_conns_count,
- out_unreachable_conns_count,
- out_trying_conns_count,
- out_denial_conns_count,
- out_disconnected_conns_count,
- )?;
-
- // Draw separated line
- line += 1;
- let mut separated_line = String::with_capacity(w as usize);
- for _ in 0..w as usize {
- separated_line.push('-');
- }
- write!(
- stdout,
- "{}{}{}",
- cursor::Goto(1, line),
- color::Fg(color::White),
- separated_line,
- )?;
-
- // Draw HEADs
- line += 1;
- write!(
- stdout,
- "{}{}{} HEADs :",
- cursor::Goto(1, line),
- color::Fg(color::White),
- heads.len()
- )?;
- line += 1;
- if heads_index > 0 {
- write!(
- stdout,
- "{}{}/\\",
- cursor::Goto(35, line),
- color::Fg(color::Green),
- )?;
- } else {
- write!(
- stdout,
- "{}{}/\\",
- cursor::Goto(35, line),
- color::Fg(color::Black),
- )?;
- }
- line += 1;
- write!(
- stdout,
- "{}{}Step NodeId-Pubkey BlockId-BlockHash Soft:Ver Pre [ Api ] MeR:MiR uid",
- cursor::Goto(1, line),
- color::Fg(color::White)
- )?;
- for head in &heads[heads_index..] {
- if line < (h - 2) {
- line += 1;
- if head.step() == 0 {
- write!(
- stdout,
- "{}{}{}",
- cursor::Goto(1, line),
- color::Fg(color::Blue),
- head.to_human_string(w as usize),
- )?;
- } else {
- write!(
- stdout,
- "{}{}{}",
- cursor::Goto(1, line),
- color::Fg(color::Green),
- head.to_human_string(w as usize),
- )?;
- }
- } else {
- break;
- }
- }
- line += 1;
- if heads_index < heads_index_max {
- write!(
- stdout,
- "{}{}\\/",
- cursor::Goto(35, line),
- color::Fg(color::Green),
- )?;
- } else {
- write!(
- stdout,
- "{}{}\\/",
- cursor::Goto(35, line),
- color::Fg(color::Black),
- )?;
- }
-
- // Draw footer
- let mut runtime_in_secs = SystemTime::now()
- .duration_since(start_time)
- .expect("Fail to get runtime")
- .as_secs();
- let runtime_hours = runtime_in_secs / 3600;
- runtime_in_secs -= runtime_hours * 3600;
- let runtime_mins = runtime_in_secs / 60;
- let runtime_secs = runtime_in_secs % 60;
- let runtime_str = format!(
- "{:02}:{:02}:{:02}",
- runtime_hours, runtime_mins, runtime_secs
- );
- write!(
- stdout,
- "{}{}{}runtime : {}",
- cursor::Goto(1, h),
- color::Bg(color::Blue),
- color::Fg(color::White),
- runtime_str,
- )?;
- write!(
- stdout,
- "{}{}{}q : quit{}",
- cursor::Goto(w - 7, h),
- color::Bg(color::Blue),
- color::Fg(color::White),
- cursor::Hide,
- )?;
-
- // Flush stdout (i.e. make the output appear).
- stdout.flush()?;
-
- Ok(())
- }
- /// Restore Terminal
- fn restore_term<W: Write>(stdout: &RawTerminal<W>) {
- let _ = stdout.suspend_raw_mode();
- }
-}
-
-impl Default for TuiModule {
- fn default() -> TuiModule {
- TuiModule {}
- }
-}
-
-impl DursModule<DuRsConf, DursMsg> for TuiModule {
- type ModuleUserConf = TuiConf;
- type ModuleConf = TuiConf;
- type ModuleOpt = TuiOpt;
-
- fn name() -> ModuleStaticName {
- ModuleStaticName("tui")
- }
- fn priority() -> ModulePriority {
- ModulePriority::Recommended()
- }
- fn ask_required_keys() -> RequiredKeys {
- RequiredKeys::None()
- }
- fn generate_module_conf(
- _currency_name: Option<&CurrencyName>,
- _global_conf: &<DuRsConf as DursConfTrait>::GlobalConf,
- _module_user_conf: Option<Self::ModuleUserConf>,
- ) -> Result<(Self::ModuleConf, Option<Self::ModuleUserConf>), ModuleConfError> {
- Ok((TuiConf {}, None))
- }
- fn start(
- _soft_meta_datas: &SoftwareMetaDatas<DuRsConf>,
- _keys: RequiredKeysContent,
- _conf: Self::ModuleConf,
- router_sender: Sender<RouterThreadMessage<DursMsg>>,
- ) -> Result<(), failure::Error> {
- let start_time = SystemTime::now(); //: DateTime<Utc> = Utc::now();
-
- // Instanciate Tui module datas
- let mut tui = TuiModuleDatas {
- router_sender: router_sender.clone(),
- heads_cache: HashMap::new(),
- heads_index: 0,
- connections_status: HashMap::new(),
- established_conns_count: 0,
- };
-
- // Create tui main thread channel
- let (tui_sender, tui_receiver): (Sender<TuiMess>, Receiver<TuiMess>) = channel();
-
- // Create proxy channel
- let (proxy_sender, proxy_receiver): (Sender<DursMsg>, Receiver<DursMsg>) = channel();
-
- // Launch a proxy thread that transform DursMsg() to TuiMess::DursMsg(DursMsg())
- let tui_sender_clone = tui_sender.clone();
- thread::spawn(move || {
- // Send proxy sender to main
- router_sender
- .send(RouterThreadMessage::ModuleRegistration {
- static_name: TuiModule::name(),
- sender: proxy_sender,
- roles: vec![ModuleRole::UserInterface],
- events_subscription: vec![
- ModuleEvent::NewValidBlock,
- ModuleEvent::ConnectionsChangeNodeNetwork,
- ModuleEvent::NewValidHeadFromNetwork,
- ModuleEvent::NewValidPeerFromNodeNetwork,
- ],
- reserved_apis_parts: vec![],
- endpoints: vec![],
- })
- .expect("Fatal error : tui module fail to send is sender channel !");
- debug!("Send tui sender to main thread.");
- loop {
- match proxy_receiver.recv() {
- Ok(message) => {
- let stop = if let DursMsg::Stop = message {
- true
- } else {
- false
- };
- match tui_sender_clone.send(TuiMess::DursMsg(Box::new(message))) {
- Ok(_) => {
- if stop {
- break;
- };
- }
- Err(_) => {
- debug!("tui proxy : fail to relay DursMsg to tui main thread !");
- break;
- }
- }
- }
- Err(e) => {
- warn!("Tui: {}", e);
- break;
- }
- }
- }
- });
-
- // Enter raw mode.
- // Wait a short while before modifying stdout, in case errors should be reported regarding the launch of the other modules.
- thread::sleep(Duration::from_millis(500));
- let mut stdout = MouseTerminal::from(unwrap!(stdout().into_raw_mode()));
-
- // Initial draw
- let mut last_draw = SystemTime::now();
- unwrap!(tui.draw_term(
- &mut stdout,
- start_time,
- &tui.heads_cache,
- tui.heads_index,
- &tui.connections_status,
- &HashMap::with_capacity(0),
- ));
-
- // Launch stdin thread
- let _stdin_thread = thread::spawn(move || {
- // Get the standard input stream.
- let stdin = std::io::stdin();
- // Get stdin events
- for c in stdin.events() {
- tui_sender
- .send(TuiMess::TermionEvent(
- c.expect("error to read stdin event !"),
- ))
- .expect("Fatal error : tui stdin thread module fail to send message !");
- trace!("Send stdin event to tui main thread.");
- }
- });
-
- // ui main loop
- loop {
- let mut user_event = false;
- // Get messages
- match tui_receiver.recv_timeout(Duration::from_millis(250)) {
- Ok(ref message) => match *message {
- TuiMess::DursMsg(ref durs_message) => match durs_message.deref() {
- DursMsg::Stop => {
- unwrap!(writeln!(
- stdout,
- "{}{}{}{}{}",
- color::Fg(color::Reset),
- cursor::Goto(1, 1),
- color::Bg(color::Reset),
- cursor::Show,
- clear::All,
- ));
- break;
- }
- DursMsg::Event {
- ref event_content, ..
- } => match *event_content {
- DursEvent::BlockchainEvent(ref dal_event) => match *dal_event.deref() {
- BlockchainEvent::StackUpValidBlock(ref _block) => {}
- BlockchainEvent::RevertBlocks(ref _blocks) => {}
- _ => {}
- },
- DursEvent::NetworkEvent(ref network_event_box) => {
- match *network_event_box.deref() {
- NetworkEvent::ConnectionStateChange(
- ref node_full_id,
- ref status,
- ref uid,
- ref url,
- ) => {
- if let Some(conn) =
- tui.connections_status.get(&node_full_id)
- {
- if *status == 12 && (*conn).status != 12 {
- tui.established_conns_count += 1;
- } else if *status != 12
- && (*conn).status == 12
- && tui.established_conns_count > 0
- {
- tui.established_conns_count -= 1;
- }
- };
- tui.connections_status.insert(
- *node_full_id,
- Connection {
- status: *status,
- url: url.clone(),
- uid: uid.clone(),
- },
- );
- }
- NetworkEvent::ReceiveHeads(ref heads) => {
- heads
- .iter()
- .map(|h| {
- tui.heads_cache.insert(h.node_full_id(), h.clone())
- })
- .for_each(drop);
- }
- _ => {}
- }
- }
- _ => {}
- },
- _ => {}
- },
- TuiMess::TermionEvent(ref term_event) => match *term_event {
- Event::Key(Key::Char('q')) => {
- // Exit
- unwrap!(writeln!(
- stdout,
- "{}{}{}{}{}",
- color::Fg(color::Reset),
- cursor::Goto(1, 1),
- color::Bg(color::Reset),
- cursor::Show,
- clear::All,
- ));
- TuiModuleDatas::restore_term(&stdout);
- if tui
- .router_sender
- .send(RouterThreadMessage::ModuleMessage(DursMsg::Stop))
- .is_err()
- {
- warn!("Tui: Fail to send STOP message to router !");
- }
- break;
- }
- Event::Mouse(ref me) => match *me {
- MouseEvent::Press(ref button, ref _a, ref _b) => match *button {
- MouseButton::WheelDown => {
- // Get Terminal size
- let (_w, h) = termion::terminal_size()
- .expect("Fail to get terminal size !");
- // heads_index
- if h > 16 {
- let heads_index_max =
- if tui.heads_cache.len() > (h - 16) as usize {
- tui.heads_cache.len() - (h - 16) as usize
- } else {
- 0
- };
- if tui.heads_index < heads_index_max {
- tui.heads_index += 1;
- user_event = true;
- } else {
- tui.heads_index = heads_index_max;
- }
- }
- }
- MouseButton::WheelUp => {
- // heads_index
- if tui.heads_index > 0 {
- tui.heads_index -= 1;
- user_event = true;
- }
- }
- _ => {}
- },
- MouseEvent::Release(ref _a, ref _b)
- | MouseEvent::Hold(ref _a, ref _b) => {}
- },
- _ => {}
- },
- },
- Err(e) => match e {
- RecvTimeoutError::Disconnected => {
- fatal_error!("Disconnected tui module !");
- }
- RecvTimeoutError::Timeout => {}
- },
- }
- let now = SystemTime::now();
- if user_event
- || now
- .duration_since(last_draw)
- .expect("Tui : Fatal error : fail to get duration since last draw !")
- .subsec_nanos()
- > 250_000_000
- {
- last_draw = now;
- unwrap!(tui.draw_term(
- &mut stdout,
- start_time,
- &tui.heads_cache,
- tui.heads_index,
- &tui.connections_status,
- &HashMap::with_capacity(0),
- ));
- }
- }
- Ok(())
- }
-}
+#[cfg(unix)]
+pub use tui::TuiModule;
diff --git a/lib/modules/tui/tui.rs b/lib/modules/tui/tui.rs
new file mode 100644
index 0000000000000000000000000000000000000000..0b46c041e785c5ad617aba29149a2999cd913e4c
--- /dev/null
+++ b/lib/modules/tui/tui.rs
@@ -0,0 +1,651 @@
+// Copyright (C) 2017-2019 The AXIOM TEAM Association.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+//! Defined the few global types used by all modules,
+//! as well as the DursModule trait that all modules must implement.
+
+#![deny(
+ clippy::option_unwrap_used,
+ clippy::result_unwrap_used,
+ missing_docs,
+ missing_debug_implementations,
+ missing_copy_implementations,
+ trivial_casts,
+ trivial_numeric_casts,
+ unsafe_code,
+ unstable_features,
+ unused_import_braces,
+ unused_qualifications
+)]
+
+use dubp_currency_params::CurrencyName;
+use durs_common_tools::fatal_error;
+use durs_common_tools::traits::merge::Merge;
+use durs_conf::DuRsConf;
+use durs_message::events::*;
+use durs_message::*;
+use durs_module::*;
+use durs_network::events::NetworkEvent;
+use durs_network_documents::network_head::NetworkHead;
+use durs_network_documents::NodeFullId;
+use log::{debug, error, trace, warn};
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::io::{stdout, Write};
+use std::ops::Deref;
+use std::sync::mpsc::{channel, Receiver, RecvTimeoutError, Sender};
+use std::thread;
+use std::time::{Duration, SystemTime};
+use structopt::StructOpt;
+use termion::event::*;
+use termion::input::{MouseTerminal, TermRead};
+use termion::raw::{IntoRawMode, RawTerminal};
+use termion::{clear, color, cursor, style};
+use unwrap::unwrap;
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
+/// Tui Module Configuration (For future use)
+pub struct TuiConf {}
+
+impl Default for TuiConf {
+ fn default() -> Self {
+ TuiConf {}
+ }
+}
+
+impl Merge for TuiConf {
+ fn merge(self, _: Self) -> Self {
+ self
+ }
+}
+
+#[derive(Debug, Clone)]
+/// Format of messages received by the tui module
+pub enum TuiMess {
+ /// Message from another module
+ DursMsg(Box<DursMsg>),
+ /// Message from stdin (user event)
+ TermionEvent(Event),
+}
+
+#[derive(Debug, Copy, Clone)]
+/// Tui module
+pub struct TuiModule {}
+
+#[derive(StructOpt, Debug, Copy, Clone)]
+#[structopt(name = "tui", setting(structopt::clap::AppSettings::ColoredHelp))]
+/// Tui subcommand options
+pub struct TuiOpt {}
+
+#[derive(Debug, Clone)]
+/// Network connexion (data to display)
+pub struct Connection {
+ /// Connexion status
+ status: u32,
+ /// Endpoint url
+ url: String,
+ /// Node uid at the other end of the connection (member nodes only)
+ uid: Option<String>,
+}
+
+#[derive(Debug, Clone)]
+/// Data that the Tui module needs to cache
+pub struct TuiModuleDatas {
+ /// Sender of all other modules
+ pub router_sender: Sender<RouterThreadMessage<DursMsg>>,
+ /// HEADs cache content
+ pub heads_cache: HashMap<NodeFullId, NetworkHead>,
+ /// Position of the 1st head displayed on the screen
+ pub heads_index: usize,
+ /// Connections cache content
+ pub connections_status: HashMap<NodeFullId, Connection>,
+ /// Number of connections in `Established` status
+ pub established_conns_count: usize,
+}
+
+impl TuiModuleDatas {
+ /// Draw terminal
+ fn draw_term<W: Write>(
+ &self,
+ stdout: &mut RawTerminal<W>,
+ start_time: SystemTime,
+ heads_cache: &HashMap<NodeFullId, NetworkHead>,
+ heads_index: usize,
+ out_connections_status: &HashMap<NodeFullId, Connection>,
+ _in_connections_status: &HashMap<NodeFullId, Connection>,
+ ) -> Result<(), std::io::Error> {
+ // Get Terminal size
+ let (w, h) = termion::terminal_size().expect("Fail to get terminal size !");
+
+ // Prepare connections screen
+ let mut out_never_try_conns_count = 0;
+ let mut out_unreachable_conns_count = 0;
+ let mut out_trying_conns_count = 0;
+ let mut out_denial_conns_count = 0;
+ let mut out_disconnected_conns_count = 0;
+ let mut out_established_conns = Vec::new();
+ for (node_full_id, connection) in out_connections_status {
+ match connection.status {
+ 0 => out_never_try_conns_count += 1,
+ 2 | 4 => out_unreachable_conns_count += 1,
+ 1 | 3 | 5 | 7 | 8 | 9 => out_trying_conns_count += 1,
+ 10 => out_denial_conns_count += 1,
+ 11 => out_disconnected_conns_count += 1,
+ 12 => out_established_conns.push((
+ node_full_id,
+ connection.uid.clone(),
+ connection.url.clone(),
+ )),
+ _ => {}
+ }
+ }
+
+ // Prepare HEADs screen
+ let mut heads = heads_cache.values().collect::<Vec<&NetworkHead>>();
+ heads.sort_unstable_by(|a, b| b.cmp(a));
+ let heads_window_size = h as isize - 8 - out_established_conns.len() as isize;
+ let heads_index_max = if heads_window_size > 0 && heads.len() > heads_window_size as usize {
+ heads.len() - heads_window_size as usize
+ } else {
+ 0
+ };
+
+ // Clear term and reset background color
+ write!(
+ stdout,
+ "{}{}{}",
+ color::Bg(color::Black),
+ clear::All,
+ cursor::Goto(1, 1)
+ )?;
+
+ // Draw headers
+ let mut line = 1;
+ write!(
+ stdout,
+ "{}{}{} established connections : ",
+ cursor::Goto(1, line),
+ color::Fg(color::White),
+ out_established_conns.len()
+ )?;
+ line += 1;
+ write!(
+ stdout,
+ "{}{}{} NodeId-PubKey",
+ cursor::Goto(1, line),
+ color::Fg(color::White),
+ style::Italic,
+ )?;
+
+ // Draw inter-nodes established connections
+ if out_established_conns.is_empty() {
+ line += 1;
+ write!(
+ stdout,
+ "{}{}{}No established connections !",
+ cursor::Goto(2, line),
+ color::Fg(color::Red),
+ style::Bold,
+ )?;
+ } else {
+ for (ref node_full_id, ref uid, ref url) in out_established_conns {
+ line += 1;
+ let mut uid_string = uid
+ .clone()
+ .unwrap_or_else(|| String::from("----------------"));
+ uid_string.truncate(16);
+ write!(
+ stdout,
+ "{}{} {} {:16} {}",
+ cursor::Goto(2, line),
+ color::Fg(color::Green),
+ node_full_id.to_human_string(),
+ uid_string,
+ url,
+ )?;
+ }
+ }
+
+ // Draw number of conns per state
+ line += 1;
+ write!(
+ stdout,
+ "{}{}{} know endpoints : {} Never try, {} Unreach, {} on trial, {} Denial, {} Close.",
+ cursor::Goto(2, line),
+ color::Fg(color::Rgb(128, 128, 128)),
+ out_connections_status.len(),
+ out_never_try_conns_count,
+ out_unreachable_conns_count,
+ out_trying_conns_count,
+ out_denial_conns_count,
+ out_disconnected_conns_count,
+ )?;
+
+ // Draw separated line
+ line += 1;
+ let mut separated_line = String::with_capacity(w as usize);
+ for _ in 0..w as usize {
+ separated_line.push('-');
+ }
+ write!(
+ stdout,
+ "{}{}{}",
+ cursor::Goto(1, line),
+ color::Fg(color::White),
+ separated_line,
+ )?;
+
+ // Draw HEADs
+ line += 1;
+ write!(
+ stdout,
+ "{}{}{} HEADs :",
+ cursor::Goto(1, line),
+ color::Fg(color::White),
+ heads.len()
+ )?;
+ line += 1;
+ if heads_index > 0 {
+ write!(
+ stdout,
+ "{}{}/\\",
+ cursor::Goto(35, line),
+ color::Fg(color::Green),
+ )?;
+ } else {
+ write!(
+ stdout,
+ "{}{}/\\",
+ cursor::Goto(35, line),
+ color::Fg(color::Black),
+ )?;
+ }
+ line += 1;
+ write!(
+ stdout,
+ "{}{}Step NodeId-Pubkey BlockId-BlockHash Soft:Ver Pre [ Api ] MeR:MiR uid",
+ cursor::Goto(1, line),
+ color::Fg(color::White)
+ )?;
+ for head in &heads[heads_index..] {
+ if line < (h - 2) {
+ line += 1;
+ if head.step() == 0 {
+ write!(
+ stdout,
+ "{}{}{}",
+ cursor::Goto(1, line),
+ color::Fg(color::Blue),
+ head.to_human_string(w as usize),
+ )?;
+ } else {
+ write!(
+ stdout,
+ "{}{}{}",
+ cursor::Goto(1, line),
+ color::Fg(color::Green),
+ head.to_human_string(w as usize),
+ )?;
+ }
+ } else {
+ break;
+ }
+ }
+ line += 1;
+ if heads_index < heads_index_max {
+ write!(
+ stdout,
+ "{}{}\\/",
+ cursor::Goto(35, line),
+ color::Fg(color::Green),
+ )?;
+ } else {
+ write!(
+ stdout,
+ "{}{}\\/",
+ cursor::Goto(35, line),
+ color::Fg(color::Black),
+ )?;
+ }
+
+ // Draw footer
+ let mut runtime_in_secs = SystemTime::now()
+ .duration_since(start_time)
+ .expect("Fail to get runtime")
+ .as_secs();
+ let runtime_hours = runtime_in_secs / 3600;
+ runtime_in_secs -= runtime_hours * 3600;
+ let runtime_mins = runtime_in_secs / 60;
+ let runtime_secs = runtime_in_secs % 60;
+ let runtime_str = format!(
+ "{:02}:{:02}:{:02}",
+ runtime_hours, runtime_mins, runtime_secs
+ );
+ write!(
+ stdout,
+ "{}{}{}runtime : {}",
+ cursor::Goto(1, h),
+ color::Bg(color::Blue),
+ color::Fg(color::White),
+ runtime_str,
+ )?;
+ write!(
+ stdout,
+ "{}{}{}q : quit{}",
+ cursor::Goto(w - 7, h),
+ color::Bg(color::Blue),
+ color::Fg(color::White),
+ cursor::Hide,
+ )?;
+
+ // Flush stdout (i.e. make the output appear).
+ stdout.flush()?;
+
+ Ok(())
+ }
+ /// Restore Terminal
+ fn restore_term<W: Write>(stdout: &RawTerminal<W>) {
+ let _ = stdout.suspend_raw_mode();
+ }
+}
+
+impl Default for TuiModule {
+ fn default() -> TuiModule {
+ TuiModule {}
+ }
+}
+
+impl DursModule<DuRsConf, DursMsg> for TuiModule {
+ type ModuleUserConf = TuiConf;
+ type ModuleConf = TuiConf;
+ type ModuleOpt = TuiOpt;
+
+ fn name() -> ModuleStaticName {
+ ModuleStaticName("tui")
+ }
+ fn priority() -> ModulePriority {
+ ModulePriority::Recommended()
+ }
+ fn ask_required_keys() -> RequiredKeys {
+ RequiredKeys::None()
+ }
+ fn generate_module_conf(
+ _currency_name: Option<&CurrencyName>,
+ _global_conf: &<DuRsConf as DursConfTrait>::GlobalConf,
+ _module_user_conf: Option<Self::ModuleUserConf>,
+ ) -> Result<(Self::ModuleConf, Option<Self::ModuleUserConf>), ModuleConfError> {
+ Ok((TuiConf {}, None))
+ }
+ fn start(
+ _soft_meta_datas: &SoftwareMetaDatas<DuRsConf>,
+ _keys: RequiredKeysContent,
+ _conf: Self::ModuleConf,
+ router_sender: Sender<RouterThreadMessage<DursMsg>>,
+ ) -> Result<(), failure::Error> {
+ let start_time = SystemTime::now(); //: DateTime<Utc> = Utc::now();
+
+ // Instanciate Tui module datas
+ let mut tui = TuiModuleDatas {
+ router_sender: router_sender.clone(),
+ heads_cache: HashMap::new(),
+ heads_index: 0,
+ connections_status: HashMap::new(),
+ established_conns_count: 0,
+ };
+
+ // Create tui main thread channel
+ let (tui_sender, tui_receiver): (Sender<TuiMess>, Receiver<TuiMess>) = channel();
+
+ // Create proxy channel
+ let (proxy_sender, proxy_receiver): (Sender<DursMsg>, Receiver<DursMsg>) = channel();
+
+ // Launch a proxy thread that transform DursMsg() to TuiMess::DursMsg(DursMsg())
+ let tui_sender_clone = tui_sender.clone();
+ thread::spawn(move || {
+ // Send proxy sender to main
+ router_sender
+ .send(RouterThreadMessage::ModuleRegistration {
+ static_name: TuiModule::name(),
+ sender: proxy_sender,
+ roles: vec![ModuleRole::UserInterface],
+ events_subscription: vec![
+ ModuleEvent::NewValidBlock,
+ ModuleEvent::ConnectionsChangeNodeNetwork,
+ ModuleEvent::NewValidHeadFromNetwork,
+ ModuleEvent::NewValidPeerFromNodeNetwork,
+ ],
+ reserved_apis_parts: vec![],
+ endpoints: vec![],
+ })
+ .expect("Fatal error : tui module fail to send is sender channel !");
+ debug!("Send tui sender to main thread.");
+ loop {
+ match proxy_receiver.recv() {
+ Ok(message) => {
+ let stop = if let DursMsg::Stop = message {
+ true
+ } else {
+ false
+ };
+ match tui_sender_clone.send(TuiMess::DursMsg(Box::new(message))) {
+ Ok(_) => {
+ if stop {
+ break;
+ };
+ }
+ Err(_) => {
+ debug!("tui proxy : fail to relay DursMsg to tui main thread !");
+ break;
+ }
+ }
+ }
+ Err(e) => {
+ warn!("Tui: {}", e);
+ break;
+ }
+ }
+ }
+ });
+
+ // Enter raw mode.
+ // Wait a short while before modifying stdout, in case errors should be reported regarding the launch of the other modules.
+ thread::sleep(Duration::from_millis(500));
+ let mut stdout = MouseTerminal::from(unwrap!(stdout().into_raw_mode()));
+
+ // Initial draw
+ let mut last_draw = SystemTime::now();
+ unwrap!(tui.draw_term(
+ &mut stdout,
+ start_time,
+ &tui.heads_cache,
+ tui.heads_index,
+ &tui.connections_status,
+ &HashMap::with_capacity(0),
+ ));
+
+ // Launch stdin thread
+ let _stdin_thread = thread::spawn(move || {
+ // Get the standard input stream.
+ let stdin = std::io::stdin();
+ // Get stdin events
+ for c in stdin.events() {
+ tui_sender
+ .send(TuiMess::TermionEvent(
+ c.expect("error to read stdin event !"),
+ ))
+ .expect("Fatal error : tui stdin thread module fail to send message !");
+ trace!("Send stdin event to tui main thread.");
+ }
+ });
+
+ // ui main loop
+ loop {
+ let mut user_event = false;
+ // Get messages
+ match tui_receiver.recv_timeout(Duration::from_millis(250)) {
+ Ok(ref message) => match *message {
+ TuiMess::DursMsg(ref durs_message) => match durs_message.deref() {
+ DursMsg::Stop => {
+ unwrap!(writeln!(
+ stdout,
+ "{}{}{}{}{}",
+ color::Fg(color::Reset),
+ cursor::Goto(1, 1),
+ color::Bg(color::Reset),
+ cursor::Show,
+ clear::All,
+ ));
+ break;
+ }
+ DursMsg::Event {
+ ref event_content, ..
+ } => match *event_content {
+ DursEvent::BlockchainEvent(ref dal_event) => match *dal_event.deref() {
+ BlockchainEvent::StackUpValidBlock(ref _block) => {}
+ BlockchainEvent::RevertBlocks(ref _blocks) => {}
+ _ => {}
+ },
+ DursEvent::NetworkEvent(ref network_event_box) => {
+ match *network_event_box.deref() {
+ NetworkEvent::ConnectionStateChange(
+ ref node_full_id,
+ ref status,
+ ref uid,
+ ref url,
+ ) => {
+ if let Some(conn) =
+ tui.connections_status.get(&node_full_id)
+ {
+ if *status == 12 && (*conn).status != 12 {
+ tui.established_conns_count += 1;
+ } else if *status != 12
+ && (*conn).status == 12
+ && tui.established_conns_count > 0
+ {
+ tui.established_conns_count -= 1;
+ }
+ };
+ tui.connections_status.insert(
+ *node_full_id,
+ Connection {
+ status: *status,
+ url: url.clone(),
+ uid: uid.clone(),
+ },
+ );
+ }
+ NetworkEvent::ReceiveHeads(ref heads) => {
+ heads
+ .iter()
+ .map(|h| {
+ tui.heads_cache.insert(h.node_full_id(), h.clone())
+ })
+ .for_each(drop);
+ }
+ _ => {}
+ }
+ }
+ _ => {}
+ },
+ _ => {}
+ },
+ TuiMess::TermionEvent(ref term_event) => match *term_event {
+ Event::Key(Key::Char('q')) => {
+ // Exit
+ unwrap!(writeln!(
+ stdout,
+ "{}{}{}{}{}",
+ color::Fg(color::Reset),
+ cursor::Goto(1, 1),
+ color::Bg(color::Reset),
+ cursor::Show,
+ clear::All,
+ ));
+ TuiModuleDatas::restore_term(&stdout);
+ if tui
+ .router_sender
+ .send(RouterThreadMessage::ModuleMessage(DursMsg::Stop))
+ .is_err()
+ {
+ warn!("Tui: Fail to send STOP message to router !");
+ }
+ break;
+ }
+ Event::Mouse(ref me) => match *me {
+ MouseEvent::Press(ref button, ref _a, ref _b) => match *button {
+ MouseButton::WheelDown => {
+ // Get Terminal size
+ let (_w, h) = termion::terminal_size()
+ .expect("Fail to get terminal size !");
+ // heads_index
+ if h > 16 {
+ let heads_index_max =
+ if tui.heads_cache.len() > (h - 16) as usize {
+ tui.heads_cache.len() - (h - 16) as usize
+ } else {
+ 0
+ };
+ if tui.heads_index < heads_index_max {
+ tui.heads_index += 1;
+ user_event = true;
+ } else {
+ tui.heads_index = heads_index_max;
+ }
+ }
+ }
+ MouseButton::WheelUp => {
+ // heads_index
+ if tui.heads_index > 0 {
+ tui.heads_index -= 1;
+ user_event = true;
+ }
+ }
+ _ => {}
+ },
+ MouseEvent::Release(ref _a, ref _b)
+ | MouseEvent::Hold(ref _a, ref _b) => {}
+ },
+ _ => {}
+ },
+ },
+ Err(e) => match e {
+ RecvTimeoutError::Disconnected => {
+ fatal_error!("Disconnected tui module !");
+ }
+ RecvTimeoutError::Timeout => {}
+ },
+ }
+ let now = SystemTime::now();
+ if user_event
+ || now
+ .duration_since(last_draw)
+ .expect("Tui : Fatal error : fail to get duration since last draw !")
+ .subsec_nanos()
+ > 250_000_000
+ {
+ last_draw = now;
+ unwrap!(tui.draw_term(
+ &mut stdout,
+ start_time,
+ &tui.heads_cache,
+ tui.heads_index,
+ &tui.connections_status,
+ &HashMap::with_capacity(0),
+ ));
+ }
+ }
+ Ok(())
+ }
+}