feat(layout): 'Window' ordering ability (#118)

* Window ordering ability

Added ability to change display order of the windows using tab. Added a help tooltip.

* fix redundant clone

* fix fmt check

* cargo fmt fix 2

* Fixed help layout and added tests

* Fix fmt check
This commit is contained in:
Louis Lesage
2020-05-17 16:40:04 -04:00
committed by GitHub
parent e6bb39a5e9
commit 55e8885302
39 changed files with 682 additions and 36 deletions

2
.gitignore vendored
View File

@@ -11,4 +11,4 @@ debian/*
!debian/control
!debian/copyright
!debian/rules
!debian/source
!debian/source

View File

@@ -6,6 +6,9 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
## [Unreleased]
### Added
* Ability to change the window layout with <TAB> (https://github.com/imsnif/bandwhich/pull/118) - [@Louis-Lesage](https://github.com/Louis-Lesage)
### Fixed
* Add terabytes as a display unit (for cumulative mode) (https://github.com/imsnif/bandwhich/pull/168) - [@TheLostLambda](https://github.com/TheLostLambda)

View File

@@ -9,10 +9,14 @@ pub struct HelpText {
pub show_dns: bool,
}
const TEXT_WHEN_PAUSED: &str = " Press <SPACE> to resume";
const TEXT_WHEN_NOT_PAUSED: &str = " Press <SPACE> to pause";
const FIRST_WIDTH_BREAKPOINT: u16 = 76;
const SECOND_WIDTH_BREAKPOINT: u16 = 54;
const TEXT_WHEN_PAUSED: &str = " Press <SPACE> to resume.";
const TEXT_WHEN_NOT_PAUSED: &str = " Press <SPACE> to pause.";
const TEXT_WHEN_DNS_NOT_SHOWN: &str = " (DNS queries hidden).";
const TEXT_WHEN_DNS_SHOWN: &str = " (DNS queries shown).";
const TEXT_TAB_TIP: &str = " Use <TAB> to rearrange tables.";
impl HelpText {
pub fn render(&self, frame: &mut Frame<impl Backend>, rect: Rect) {
@@ -23,14 +27,22 @@ impl HelpText {
TEXT_WHEN_NOT_PAUSED
};
let dns_content = if self.show_dns {
let dns_content = if rect.width <= FIRST_WIDTH_BREAKPOINT {
""
} else if self.show_dns {
TEXT_WHEN_DNS_SHOWN
} else {
TEXT_WHEN_DNS_NOT_SHOWN
};
let tab_text = if rect.width <= SECOND_WIDTH_BREAKPOINT {
""
} else {
TEXT_TAB_TIP
};
[Text::styled(
format!("{}{}", pause_content, dns_content),
format!("{}{}{}", pause_content, tab_text, dns_content),
Style::default().modifier(Modifier::BOLD),
)]
};

View File

@@ -99,12 +99,12 @@ impl<'a> Layout<'a> {
self.build_three_children_layout(rect)
}
}
pub fn render(&self, frame: &mut Frame<impl Backend>, rect: Rect) {
pub fn render(&self, frame: &mut Frame<impl Backend>, rect: Rect, ui_offset: usize) {
let (top, app, bottom) = top_app_and_bottom_split(rect);
let layout_slots = self.build_layout(app);
for i in 0..layout_slots.len() {
if let Some(rect) = layout_slots.get(i) {
if let Some(child) = self.children.get(i) {
if let Some(child) = self.children.get((i + ui_offset) % self.children.len()) {
child.render(frame, *rect);
}
}

View File

@@ -61,7 +61,7 @@ where
display_connection_string(
connection,
ip_to_host,
&connection_network_data.interface_name
&connection_network_data.interface_name,
),
connection_network_data.total_bytes_uploaded,
connection_network_data.total_bytes_downloaded,
@@ -79,7 +79,7 @@ where
));
}
}
pub fn draw(&mut self, paused: bool, show_dns: bool) {
pub fn draw(&mut self, paused: bool, show_dns: bool, ui_offset: usize) {
let state = &self.state;
let children = self.get_tables_to_display();
self.terminal
@@ -95,7 +95,7 @@ where
children,
footer: help_text,
};
layout.render(&mut frame, size);
layout.render(&mut frame, size, ui_offset);
})
.unwrap();
}
@@ -127,6 +127,11 @@ where
}
children
}
pub fn get_table_count(&self) -> usize {
self.get_tables_to_display().len()
}
pub fn update_state(
&mut self,
connections_to_procs: HashMap<LocalSocket, String>,

View File

@@ -15,7 +15,7 @@ use os::OnSigWinch;
use ::pnet::datalink::{DataLinkReceiver, NetworkInterface};
use ::std::collections::HashMap;
use ::std::sync::atomic::{AtomicBool, Ordering};
use ::std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
use ::std::sync::{Arc, Mutex};
use ::std::thread::park_timeout;
use ::std::{thread, time};
@@ -121,6 +121,7 @@ where
{
let running = Arc::new(AtomicBool::new(true));
let paused = Arc::new(AtomicBool::new(false));
let ui_offset = Arc::new(AtomicUsize::new(0));
let dns_shown = opts.show_dns;
let mut active_threads = vec![];
@@ -144,11 +145,17 @@ where
.spawn({
let ui = ui.clone();
let paused = paused.clone();
let ui_offset = ui_offset.clone();
move || {
on_winch({
Box::new(move || {
let mut ui = ui.lock().unwrap();
ui.draw(paused.load(Ordering::SeqCst), dns_shown);
ui.draw(
paused.load(Ordering::SeqCst),
dns_shown,
ui_offset.load(Ordering::SeqCst),
);
})
});
}
@@ -162,7 +169,11 @@ where
.spawn({
let running = running.clone();
let paused = paused.clone();
let ui_offset = ui_offset.clone();
let network_utilization = network_utilization.clone();
let ui = ui.clone();
move || {
while running.load(Ordering::Acquire) {
let render_start_time = Instant::now();
@@ -185,13 +196,14 @@ where
{
let mut ui = ui.lock().unwrap();
let paused = paused.load(Ordering::SeqCst);
let ui_offset = ui_offset.load(Ordering::SeqCst);
if !paused {
ui.update_state(sockets_to_procs, utilization, ip_to_host);
}
if raw_mode {
ui.output_text(&mut write_to_stdout);
} else {
ui.draw(paused, dns_shown);
ui.draw(paused, dns_shown, ui_offset);
}
}
let render_duration = render_start_time.elapsed();
@@ -213,8 +225,11 @@ where
.spawn({
let running = running.clone();
let display_handler = display_handler.thread().clone();
move || {
for evt in keyboard_events {
let mut ui = ui.lock().unwrap();
match evt {
Event::Key(Key::Ctrl('c')) | Event::Key(Key::Char('q')) => {
running.store(false, Ordering::Release);
@@ -226,6 +241,12 @@ where
paused.fetch_xor(true, Ordering::SeqCst);
display_handler.unpark();
}
Event::Key(Key::Char('\t')) => {
let table_count = ui.get_table_count();
let new = ui_offset.load(Ordering::SeqCst) + 1 % table_count;
ui_offset.store(new, Ordering::SeqCst);
ui.draw(paused.load(Ordering::SeqCst), dns_shown, new);
}
_ => (),
};
}

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries shown).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries shown).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -30,5 +30,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ ││ │
│ ││ │
└─────────────────────────────────────────────────────────────────────────────────────────────┘└─────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -30,5 +30,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -0,0 +1,54 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[1]"
---
98Bps
5 0Bps / 28Bps
4 0Bps / 26Bps
1 0Bps / 22Bps
2 0Bps / 21Bps
3.3.3.3 0Bps / 28Bps
2.2.2.2 0Bps / 26Bps
1.1.1.1 0Bps / 22Bps
4.4.4.4 0Bps / 21Bps

View File

@@ -0,0 +1,54 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[0]"
---
Total Up / Down: 0Bps / 0Bps
┌Utilization by process name────────────────────┐
│Process Up / Down │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
└───────────────────────────────────────────────┘
┌Utilization by remote address──────────────────┐
│Remote Address Up / Down │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
└───────────────────────────────────────────────┘
Press <SPACE> to pause.

View File

@@ -0,0 +1,34 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[1]"
---
98Bps
5 1 0Bps / 28Bps
4 1 0Bps / 26Bps
1 1 0Bps / 22Bps
2 1 0Bps / 21Bps

View File

@@ -0,0 +1,34 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[0]"
---
Total Up / Down: 0Bps / 0Bps
┌Utilization by process name────────────────────────────────────────┐
│Process Connections Up / Down │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
└───────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause. Use <TAB> to rearrange tables.

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[1]"
resume (DNS queries hi den).
resume. Use <TAB> to rea range tables. (DNS queries hi den).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -0,0 +1,55 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[1]"
---
22Bps
1 1 0Bps / 22Bps 1.1.1.1 1 0Bps / 22Bps
<interface_name>:443 => 1.1.1.1:12345 (tcp) 1 0Bps / 22Bps

View File

@@ -0,0 +1,55 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[2]"
---
remote addr ss connection────
Remote Address Connections Up / Down Connection Proc ss
.1.1.1 1 0Bps / 22Bps <interface_na[..]1:12345 (tcp)
proc ss name
Proc ss Connections Up / Down
1 1 0Bps / 22Bps

View File

@@ -0,0 +1,55 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[3]"
---
14
14 14
14

View File

@@ -0,0 +1,55 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[4]"
---
1
1 1
1

View File

@@ -0,0 +1,55 @@
---
source: src/tests/cases/ui.rs
expression: "&terminal_draw_events_mirror[0]"
---
Total Up / Down: 0Bps / 0Bps
┌Utilization by process name──────────────────────────────────────────────────────────────────┐┌Utilization by remote address────────────────────────────────────────────────────────────────┐
│Process Connections Up / Down ││Remote Address Connections Up / Down │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
│ ││ │
└─────────────────────────────────────────────────────────────────────────────────────────────┘└─────────────────────────────────────────────────────────────────────────────────────────────┘
┌Utilization by connection───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│Connection Process Up / Down │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ │
│ │
└──────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables.

View File

@@ -51,5 +51,5 @@ expression: "&terminal_draw_events_mirror[0]"
│ ││ │
│ ││ │
└─────────────────────────────────────────────────────────────────────────────────────────────┘└─────────────────────────────────────────────────────────────────────────────────────────────┘
Press <SPACE> to pause (DNS queries hidden).
Press <SPACE> to pause. Use <TAB> to rearrange tables. (DNS queries hidden).

View File

@@ -91,6 +91,58 @@ fn pause_by_space() {
assert_snapshot!(&terminal_draw_events_mirror[2]);
}
#[test]
fn rearranged_by_tab() {
let network_frames = vec![NetworkFrames::new(vec![
Some(build_tcp_packet(
"1.1.1.1",
"10.0.0.2",
12345,
443,
b"I have come from 1.1.1.1",
)),
None, // sleep
None, // sleep
None, // sleep
Some(build_tcp_packet(
"1.1.1.1",
"10.0.0.2",
12345,
443,
b"Same here, but one second later",
)),
]) as Box<dyn DataLinkReceiver>];
// sleep for 1s, then press tab, sleep for 2s, then quit
let mut events: Vec<Option<Event>> = iter::repeat(None).take(1).collect();
events.push(None);
events.push(Some(Event::Key(Key::Char('\t'))));
events.push(None);
events.push(None);
events.push(Some(Event::Key(Key::Ctrl('c'))));
let events = Box::new(KeyboardEvents::new(events));
let os_input = os_input_output_factory(network_frames, None, None, events);
let (terminal_events, terminal_draw_events, backend) = test_backend_factory(190, 50);
let opts = opts_ui();
start(backend, os_input, opts);
let terminal_draw_events_mirror = terminal_draw_events.lock().unwrap();
let expected_terminal_events = vec![
Clear, HideCursor, Draw, Flush, Draw, Flush, Draw, Flush, Draw, Flush, Draw, Flush, Clear,
ShowCursor,
];
assert_eq!(
&terminal_events.lock().unwrap()[..],
&expected_terminal_events[..]
);
assert_eq!(terminal_draw_events_mirror.len(), 5);
assert_snapshot!(&terminal_draw_events_mirror[0]);
assert_snapshot!(&terminal_draw_events_mirror[1]);
assert_snapshot!(&terminal_draw_events_mirror[2]);
assert_snapshot!(&terminal_draw_events_mirror[3]);
assert_snapshot!(&terminal_draw_events_mirror[4]);
}
#[test]
fn basic_only_processes() {
let network_frames = vec![NetworkFrames::new(vec![
@@ -1458,3 +1510,105 @@ fn layout_under_120_width_under_30_height() {
assert_snapshot!(&terminal_draw_events_mirror[0]);
assert_snapshot!(&terminal_draw_events_mirror[1]);
}
#[test]
fn layout_under_50_width_under_50_height() {
let network_frames = vec![NetworkFrames::new(vec![
Some(build_tcp_packet(
"1.1.1.1",
"10.0.0.2",
12345,
443,
b"I have come from 1.1.1.1",
)),
Some(build_tcp_packet(
"3.3.3.3",
"10.0.0.2",
1337,
4435,
b"Greetings traveller, I'm from 3.3.3.3",
)),
Some(build_tcp_packet(
"2.2.2.2",
"10.0.0.2",
54321,
4434,
b"You know, 2.2.2.2 is really nice!",
)),
Some(build_tcp_packet(
"4.4.4.4",
"10.0.0.2",
1337,
4432,
b"I'm partial to 4.4.4.4",
)),
]) as Box<dyn DataLinkReceiver>];
let (terminal_events, terminal_draw_events, backend) = test_backend_factory(49, 49);
let os_input = os_input_output(network_frames, 2);
let opts = opts_ui();
start(backend, os_input, opts);
let terminal_draw_events_mirror = terminal_draw_events.lock().unwrap();
let expected_terminal_events = vec![
Clear, HideCursor, Draw, Flush, Draw, Flush, Clear, ShowCursor,
];
assert_eq!(
&terminal_events.lock().unwrap()[..],
&expected_terminal_events[..]
);
assert_eq!(terminal_draw_events_mirror.len(), 2);
assert_snapshot!(&terminal_draw_events_mirror[0]);
assert_snapshot!(&terminal_draw_events_mirror[1]);
}
#[test]
fn layout_under_70_width_under_30_height() {
let network_frames = vec![NetworkFrames::new(vec![
Some(build_tcp_packet(
"1.1.1.1",
"10.0.0.2",
12345,
443,
b"I have come from 1.1.1.1",
)),
Some(build_tcp_packet(
"3.3.3.3",
"10.0.0.2",
1337,
4435,
b"Greetings traveller, I'm from 3.3.3.3",
)),
Some(build_tcp_packet(
"2.2.2.2",
"10.0.0.2",
54321,
4434,
b"You know, 2.2.2.2 is really nice!",
)),
Some(build_tcp_packet(
"4.4.4.4",
"10.0.0.2",
1337,
4432,
b"I'm partial to 4.4.4.4",
)),
]) as Box<dyn DataLinkReceiver>];
let (terminal_events, terminal_draw_events, backend) = test_backend_factory(69, 29);
let os_input = os_input_output(network_frames, 2);
let opts = opts_ui();
start(backend, os_input, opts);
let terminal_draw_events_mirror = terminal_draw_events.lock().unwrap();
let expected_terminal_events = vec![
Clear, HideCursor, Draw, Flush, Draw, Flush, Clear, ShowCursor,
];
assert_eq!(
&terminal_events.lock().unwrap()[..],
&expected_terminal_events[..]
);
assert_eq!(terminal_draw_events_mirror.len(), 2);
assert_snapshot!(&terminal_draw_events_mirror[0]);
assert_snapshot!(&terminal_draw_events_mirror[1]);
}