1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
use crate::{
routes::ui::{
account::session::AdminSession,
error::MyResult,
layout::{DynLayoutPage, LayoutPage},
},
uri,
};
use chrono::{DateTime, Utc};
use log::Level;
use rocket::get;
use std::{
collections::VecDeque,
fmt::Write,
sync::{LazyLock, RwLock},
};
const MAX_LOG_LEN: usize = 4000;
static LOGGER: LazyLock<Log> = LazyLock::new(Log::new);
pub fn enable_logging() {
log::set_logger(&*LOGGER).unwrap();
log::set_max_level(log::LevelFilter::Debug);
}
pub struct Log {
inner: env_logger::Logger,
log: RwLock<(VecDeque<LogLine>, VecDeque<LogLine>)>,
}
pub struct LogLine {
time: DateTime<Utc>,
module: Option<&'static str>,
level: Level,
message: String,
}
#[get("/admin/log?<warnonly>")]
pub fn r_admin_log<'a>(_session: AdminSession, warnonly: bool) -> MyResult<DynLayoutPage<'a>> {
Ok(LayoutPage {
title: "Log".into(),
content: markup::new! {
h1 { "Server Log" }
a[href=uri!(r_admin_log(!warnonly))] { @if warnonly { "Show everything" } else { "Show only warnings" }}
code.log {
@let g = LOGGER.log.read().unwrap();
table { @for e in if warnonly { g.1.iter() } else { g.0.iter() } {
tr[class=format!("level-{:?}", e.level).to_ascii_lowercase()] {
td.time { @e.time.to_rfc3339() }
td.loglevel { @format_level(e.level) }
td.module { @e.module }
td { @markup::raw(vt100_to_html(&e.message)) }
}
}}
}
},
..Default::default()
})
}
impl Log {
pub fn new() -> Self {
Self {
inner: env_logger::builder()
.filter_level(log::LevelFilter::Warn)
.parse_env("LOG")
.build(),
log: Default::default(),
}
}
fn should_log(&self, metadata: &log::Metadata) -> bool {
let level = metadata.level();
level
<= match metadata.target() {
x if x.starts_with("jellything::") => Level::Debug,
x if x.starts_with("rocket::") => Level::Info,
_ => Level::Warn,
}
}
fn do_log(&self, record: &log::Record) {
let mut w = self.log.write().unwrap();
let time = Utc::now();
w.0.push_back(LogLine {
time,
module: record.module_path_static(),
level: record.level(),
message: record.args().to_string(),
});
while w.0.len() > MAX_LOG_LEN {
w.0.pop_front();
}
if record.level() <= Level::Warn {
w.1.push_back(LogLine {
time,
module: record.module_path_static(),
level: record.level(),
message: record.args().to_string(),
});
while w.1.len() > MAX_LOG_LEN {
w.1.pop_front();
}
}
}
}
impl log::Log for Log {
fn enabled(&self, metadata: &log::Metadata) -> bool {
self.inner.enabled(metadata) || self.should_log(metadata)
}
fn log(&self, record: &log::Record) {
match (record.module_path_static(), record.line()) {
// TODO is there a better way to ignore those?
(Some("rocket::rocket"), Some(670)) => return,
(Some("rocket::server"), Some(401)) => return,
_ => {}
}
if self.inner.enabled(record.metadata()) {
self.inner.log(record);
}
if self.should_log(record.metadata()) {
self.do_log(record)
}
}
fn flush(&self) {
self.inner.flush();
}
}
fn vt100_to_html(s: &str) -> String {
let mut out = HtmlOut::default();
let mut st = vte::Parser::new();
for b in s.bytes() {
st.advance(&mut out, b);
}
out.s
}
fn format_level(level: Level) -> impl markup::Render {
let (s, c) = match level {
Level::Debug => ("DEBUG", "blue"),
Level::Error => ("ERROR", "red"),
Level::Warn => ("WARN", "yellow"),
Level::Info => ("INFO", "green"),
Level::Trace => ("TRACE", "lightblue"),
};
markup::new! { span[style=format!("color:{c}")] {@s} }
}
pub struct HtmlOut {
s: String,
color: bool,
}
impl Default for HtmlOut {
fn default() -> Self {
Self {
color: false,
s: String::new(),
}
}
}
impl HtmlOut {
pub fn set_color(&mut self, [r, g, b]: [u8; 3]) {
self.reset_color();
self.color = true;
write!(self.s, "<span style=color:#{:02x}{:02x}{:02x}>", r, g, b).unwrap()
}
pub fn reset_color(&mut self) {
if self.color {
write!(self.s, "</span>").unwrap();
self.color = false;
}
}
}
impl vte::Perform for HtmlOut {
fn print(&mut self, c: char) {
match c {
'a'..='z' | 'A'..='Z' | '0'..='9' | ' ' => self.s.push(c),
x => write!(self.s, "&#{};", x as u32).unwrap(),
}
}
fn execute(&mut self, _byte: u8) {}
fn hook(&mut self, _params: &vte::Params, _i: &[u8], _ignore: bool, _a: char) {}
fn put(&mut self, _byte: u8) {}
fn unhook(&mut self) {}
fn osc_dispatch(&mut self, _params: &[&[u8]], _bell_terminated: bool) {}
fn esc_dispatch(&mut self, _intermediates: &[u8], _ignore: bool, _byte: u8) {
// self.s += &format!(" {:?} ", (_intermediates, _byte))
}
fn csi_dispatch(
&mut self,
params: &vte::Params,
_intermediates: &[u8],
_ignore: bool,
action: char,
) {
let mut k = params.iter();
// self.s += &format!(" {:?} ", (params, action));
match action {
'm' => match k.next().unwrap_or(&[0]).get(0).unwrap_or(&0) {
c @ (30..=37 | 40..=47) => {
let c = if *c >= 40 { *c - 10 } else { *c };
self.set_color(match c {
30 => [0, 0, 0],
31 => [255, 0, 0],
32 => [0, 255, 0],
33 => [255, 255, 0],
34 => [0, 0, 255],
35 => [255, 0, 255],
36 => [0, 255, 255],
37 => [255, 255, 255],
_ => unreachable!(),
});
}
_ => (),
},
_ => (),
}
}
}
|
