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
|
use std::{
path::{Path, PathBuf},
sync::atomic::{AtomicU64, Ordering},
};
static NEXT_TEMP_FILE: AtomicU64 = AtomicU64::new(1);
use serde::{Deserialize, Serialize};
#[derive(Clone, Debug, Default, Deserialize, Serialize)]
pub(super) struct ClientChromePreferences {
#[serde(default, skip_serializing_if = "Option::is_none")]
pub(super) sidebar_width: Option<u16>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub(super) sidebar_section_split: Option<f32>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub(super) sidebar_collapsed: Option<bool>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub(super) agent_panel_sort: Option<crate::config::AgentPanelSortConfig>,
#[serde(default, skip_serializing_if = "Vec::is_empty")]
pub(super) collapsed_groups: Vec<String>,
}
pub(super) fn path_for_local_endpoint(socket_path: &Path) -> PathBuf {
let mut hash = 0xcbf29ce484222325u64;
for byte in socket_path.to_string_lossy().as_bytes() {
hash ^= u64::from(*byte);
hash = hash.wrapping_mul(0x100000001b3);
}
crate::config::state_dir()
.join("client-shell")
.join(format!("local-{hash:016x}.json"))
}
pub(super) fn load(path: &Path) -> Option<ClientChromePreferences> {
let content = std::fs::read_to_string(path).ok()?;
serde_json::from_str(&content).ok()
}
pub(super) fn store(path: &Path, preferences: ClientChromePreferences) -> Result<(), String> {
let parent = path
.parent()
.ok_or_else(|| format!("invalid client shell state path: {}", path.display()))?;
std::fs::create_dir_all(parent)
.map_err(|error| format!("failed to create client shell state directory: {error}"))?;
let content = serde_json::to_vec_pretty(&preferences)
.map_err(|error| format!("failed to encode client shell state: {error}"))?;
let sequence = NEXT_TEMP_FILE.fetch_add(1, Ordering::Relaxed);
let mut temp_name = path
.file_name()
.ok_or_else(|| format!("invalid client shell state path: {}", path.display()))?
.to_os_string();
temp_name.push(format!(".tmp-{}-{sequence}", std::process::id()));
let temp_path = parent.join(temp_name);
std::fs::write(&temp_path, content)
.map_err(|error| format!("failed to write client shell state: {error}"))?;
crate::platform::replace_file(&temp_path, path).map_err(|error| {
let _ = std::fs::remove_file(&temp_path);
format!("failed to replace client shell state: {error}")
})
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn endpoint_paths_are_stable_and_distinct() {
let first = path_for_local_endpoint(Path::new("/run/herdr/one.sock"));
let again = path_for_local_endpoint(Path::new("/run/herdr/one.sock"));
let second = path_for_local_endpoint(Path::new("/run/herdr/two.sock"));
assert_eq!(first, again);
assert_ne!(first, second);
}
#[test]
fn concurrent_stores_leave_complete_preferences() {
let path = std::env::temp_dir().join(format!(
"herdr-shell-concurrent-preferences-{}.json",
std::process::id()
));
let _ = std::fs::remove_file(&path);
let writers = (20..28)
.map(|width| {
let path = path.clone();
std::thread::spawn(move || {
store(
&path,
ClientChromePreferences {
sidebar_width: Some(width),
..ClientChromePreferences::default()
},
)
})
})
.collect::<Vec<_>>();
for writer in writers {
writer.join().expect("preference writer").expect("store");
}
assert!(load(&path)
.and_then(|saved| saved.sidebar_width)
.is_some_and(|width| (20..28).contains(&width)));
std::fs::remove_file(path).expect("remove preferences");
}
#[test]
fn repeated_store_replaces_existing_preferences() {
let path = std::env::temp_dir().join(format!(
"herdr-shell-preferences-{}.json",
std::process::id()
));
let _ = std::fs::remove_file(&path);
store(
&path,
ClientChromePreferences {
sidebar_width: Some(24),
..ClientChromePreferences::default()
},
)
.expect("first preference store");
store(
&path,
ClientChromePreferences {
sidebar_width: Some(32),
..ClientChromePreferences::default()
},
)
.expect("replacement preference store");
assert_eq!(load(&path).and_then(|saved| saved.sidebar_width), Some(32));
std::fs::remove_file(path).expect("remove preferences");
}
}
|
