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
|
use std::time::{Duration, Instant};
use super::{App, SESSION_SAVE_DEBOUNCE};
enum SessionSaveJob {
Clear,
Save {
snapshot: crate::persist::SessionSnapshot,
history: Option<crate::persist::SessionHistorySnapshot>,
},
}
impl App {
pub(super) fn schedule_session_save(&mut self) {
if self.policy.persist_session {
self.pane_exit_checkpoint_pending = false;
self.session_save_deadline = Some(Instant::now() + SESSION_SAVE_DEBOUNCE);
}
}
pub(crate) fn sync_session_save_schedule(&mut self) {
if self.state.session_dirty {
self.state.session_dirty = false;
self.schedule_session_save();
}
}
fn reap_finished_session_save(&mut self) {
if self
.session_save_thread
.as_ref()
.is_some_and(std::thread::JoinHandle::is_finished)
{
if let Some(thread) = self.session_save_thread.take() {
let _ = thread.join();
}
}
}
fn capture_session_save_job(&self) -> SessionSaveJob {
if self.state.workspaces.is_empty() {
SessionSaveJob::Clear
} else {
let snapshot = crate::persist::capture(
&self.state.workspaces,
&self.state.terminals,
&self.terminal_runtimes,
self.state.active,
self.state.selected,
);
let history = self.persist_pane_history.then(|| {
crate::persist::capture_history(&self.state.workspaces, &self.terminal_runtimes)
});
SessionSaveJob::Save { snapshot, history }
}
}
pub(crate) fn start_background_session_save(&mut self) {
if !self.policy.persist_session {
self.session_save_deadline = None;
return;
}
self.reap_finished_session_save();
if self.session_save_thread.is_some() {
self.session_save_deadline = Some(Instant::now() + Duration::from_millis(250));
return;
}
let job = self.capture_session_save_job();
self.pane_exit_checkpoint_pending = false;
self.session_save_deadline = None;
let writer = self.session_writer.clone();
match std::thread::Builder::new()
.name("herdr-session-save".into())
.spawn(move || run_session_save_job(job, &writer))
{
Ok(thread) => self.session_save_thread = Some(thread),
Err(err) => {
tracing::warn!(err = %err, "failed to spawn session save thread; saving inline");
run_session_save_job(self.capture_session_save_job(), &self.session_writer);
}
}
}
pub(crate) fn save_session_now(&mut self) {
if let Some(thread) = self.session_save_thread.take() {
let _ = thread.join();
}
if !self.policy.persist_session {
self.session_save_deadline = None;
return;
}
run_session_save_job(self.capture_session_save_job(), &self.session_writer);
self.pane_exit_checkpoint_pending = false;
self.session_save_deadline = None;
}
pub(crate) fn checkpoint_session_before_pane_exit(&mut self) {
if !self.policy.persist_session
|| (self.pane_exit_checkpoint_pending && !self.state.session_dirty)
{
return;
}
self.save_session_now();
self.pane_exit_checkpoint_pending = true;
self.state.session_dirty = false;
}
pub(crate) fn finish_checkpointed_pane_exit(&mut self) {
if self.pane_exit_checkpoint_pending {
self.state.session_dirty = false;
self.session_save_deadline = Some(Instant::now() + SESSION_SAVE_DEBOUNCE);
}
}
pub(crate) fn save_session_on_shutdown(&mut self) {
if self.pane_exit_checkpoint_pending && !self.state.session_dirty {
self.session_save_deadline = None;
return;
}
self.save_session_now();
}
}
fn run_session_save_job(
job: SessionSaveJob,
writer: &std::sync::Mutex<crate::persist::SessionWriter>,
) {
let mut writer = match writer.lock() {
Ok(writer) => writer,
Err(err) => {
tracing::warn!(err = %err, "session writer is poisoned; refusing to modify session");
return;
}
};
match job {
SessionSaveJob::Clear => writer.clear(),
SessionSaveJob::Save { snapshot, history } => writer.save(&snapshot, history.as_ref()),
}
}
|
