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
|
use crate::api::schema::{EmptyParams, Method, Request, ServerLiveHandoffParams};
pub(super) fn run_server_command(args: &[String]) -> std::io::Result<Option<i32>> {
let Some(subcommand) = args.first().map(|arg| arg.as_str()) else {
return Ok(None);
};
match subcommand {
"stop" => server_stop(&args[1..]).map(Some),
"live-handoff" => server_live_handoff(&args[1..]).map(Some),
"--handoff-import" => Ok(None),
"reload-config" => server_reload_config(&args[1..]).map(Some),
"help" | "--help" | "-h" => {
print_server_help();
Ok(Some(0))
}
_ => {
print_server_help();
Ok(Some(2))
}
}
}
fn server_stop(args: &[String]) -> std::io::Result<i32> {
if !args.is_empty() {
eprintln!("usage: herdr server stop");
return Ok(2);
}
super::send_ok_request(Method::ServerStop(EmptyParams::default()))
}
fn server_reload_config(args: &[String]) -> std::io::Result<i32> {
if !args.is_empty() {
eprintln!("usage: herdr server reload-config");
return Ok(2);
}
super::print_response(&super::send_request(&Request {
id: "cli:server:reload-config".into(),
method: Method::ServerReloadConfig(EmptyParams::default()),
})?)
}
fn server_live_handoff(args: &[String]) -> std::io::Result<i32> {
let Some(params) = parse_live_handoff_params(args) else {
eprintln!(
"usage: herdr server live-handoff [--import-exe <path>] [--expected-protocol <n>] [--expected-version <version>]"
);
return Ok(2);
};
let response = super::send_request(&Request {
id: "cli:server:live-handoff".into(),
method: Method::ServerLiveHandoff(params),
})?;
if response.get("error").is_some() {
let rendered = serde_json::to_string(&response).unwrap_or_else(|err| {
format!(
"{{\"error\":{{\"code\":\"render_failed\",\"message\":\"failed to render error response: {err}\"}}}}"
)
});
eprintln!("{rendered}");
return Ok(1);
}
eprintln!(
"live handoff complete; server log: {}",
crate::session::data_dir()
.join("herdr-server.log")
.display()
);
Ok(0)
}
fn parse_live_handoff_params(args: &[String]) -> Option<ServerLiveHandoffParams> {
let mut params = ServerLiveHandoffParams::default();
let mut idx = 0;
while idx < args.len() {
let arg = &args[idx];
let (flag, value) = if let Some((flag, value)) = arg.split_once('=') {
(flag, Some(value.to_string()))
} else {
let value = args.get(idx + 1).cloned();
idx += 1;
(arg.as_str(), value)
};
let value = value?;
match flag {
"--import-exe" => params.import_exe = Some(value),
"--expected-protocol" => {
params.expected_protocol = Some(value.parse().ok()?);
}
"--expected-version" => params.expected_version = Some(value),
_ => return None,
}
idx += 1;
}
Some(params)
}
fn print_server_help() {
eprintln!("herdr server commands:");
eprintln!(" herdr server run as headless server");
eprintln!(" herdr server stop stop the running server via the API socket");
eprintln!(" herdr server live-handoff hand off live panes to a new local server");
eprintln!(" herdr server reload-config reload config.toml in the running server");
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn live_handoff_params_parse_remote_update_fields() {
let args = vec![
"--import-exe".to_string(),
"/home/me/.local/bin/herdr".to_string(),
"--expected-protocol=9".to_string(),
"--expected-version".to_string(),
"0.6.2".to_string(),
];
let params = parse_live_handoff_params(&args).expect("params");
assert_eq!(
params.import_exe.as_deref(),
Some("/home/me/.local/bin/herdr")
);
assert_eq!(params.expected_protocol, Some(9));
assert_eq!(params.expected_version.as_deref(), Some("0.6.2"));
}
}
|
