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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
pub mod os_input_output;
mod command_is_executing;
mod input_handler;
use std::env::current_exe;
use std::io::{self, Write};
use std::path::Path;
use std::process::Command;
use std::sync::mpsc;
use std::thread;
use crate::{
command_is_executing::CommandIsExecuting, input_handler::input_loop,
os_input_output::ClientOsApi,
};
use zellij_utils::cli::CliArgs;
use zellij_utils::{
channels::{SenderType, SenderWithContext, SyncChannelWithContext},
consts::{SESSION_NAME, ZELLIJ_IPC_PIPE},
errors::{ClientContext, ContextType, ErrorInstruction},
input::config::Config,
input::options::Options,
ipc::{ClientAttributes, ClientToServerMsg, ServerToClientMsg},
};
/// Instructions related to the client-side application
#[derive(Debug, Clone)]
pub(crate) enum ClientInstruction {
Error(String),
Render(Option<String>),
UnblockInputThread,
Exit,
ServerError(String),
}
impl From<ServerToClientMsg> for ClientInstruction {
fn from(instruction: ServerToClientMsg) -> Self {
match instruction {
ServerToClientMsg::Exit => ClientInstruction::Exit,
ServerToClientMsg::Render(buffer) => ClientInstruction::Render(buffer),
ServerToClientMsg::UnblockInputThread => ClientInstruction::UnblockInputThread,
ServerToClientMsg::ServerError(backtrace) => ClientInstruction::ServerError(backtrace),
}
}
}
impl From<&ClientInstruction> for ClientContext {
fn from(client_instruction: &ClientInstruction) -> Self {
match *client_instruction {
ClientInstruction::Exit => ClientContext::Exit,
ClientInstruction::Error(_) => ClientContext::Error,
ClientInstruction::ServerError(_) => ClientContext::ServerError,
ClientInstruction::Render(_) => ClientContext::Render,
ClientInstruction::UnblockInputThread => ClientContext::UnblockInputThread,
}
}
}
impl ErrorInstruction for ClientInstruction {
fn error(err: String) -> Self {
ClientInstruction::Error(err)
}
}
fn spawn_server(socket_path: &Path) -> io::Result<()> {
let status = Command::new(current_exe()?)
.arg("--server")
.arg(socket_path)
.status()?;
if status.success() {
Ok(())
} else {
let msg = "Process returned non-zero exit code";
let err_msg = match status.code() {
Some(c) => format!("{}: {}", msg, c),
None => msg.to_string(),
};
Err(io::Error::new(io::ErrorKind::Other, err_msg))
}
}
pub fn start_client(mut os_input: Box<dyn ClientOsApi>, opts: CliArgs, config: Config) {
let clear_client_terminal_attributes = "\u{1b}[?1l\u{1b}=\u{1b}[r\u{1b}12l\u{1b}[?1000l\u{1b}[?1002l\u{1b}[?1003l\u{1b}[?1005l\u{1b}[?1006l\u{1b}[?12l";
let take_snapshot = "\u{1b}[?1049h";
let bracketed_paste = "\u{1b}[?2004h";
os_input.unset_raw_mode(0);
let palette = os_input.load_palette();
let _ = os_input
.get_stdout_writer()
.write(take_snapshot.as_bytes())
.unwrap();
let _ = os_input
.get_stdout_writer()
.write(clear_client_terminal_attributes.as_bytes())
.unwrap();
std::env::set_var(&"ZELLIJ", "0");
std::env::set_var(&"ZELLIJ_SESSION_NAME", &*SESSION_NAME);
#[cfg(not(any(feature = "test", test)))]
spawn_server(&*ZELLIJ_IPC_PIPE).unwrap();
let mut command_is_executing = CommandIsExecuting::new();
let config_options = Options::from_cli(&config.options, opts.command.clone());
let full_screen_ws = os_input.get_terminal_size_using_fd(0);
let client_attributes = ClientAttributes {
position_and_size: full_screen_ws,
palette,
};
os_input.connect_to_server(&*ZELLIJ_IPC_PIPE);
os_input.send_to_server(ClientToServerMsg::NewClient(
client_attributes,
Box::new(opts),
Box::new(config_options),
));
os_input.set_raw_mode(0);
let _ = os_input
.get_stdout_writer()
.write(bracketed_paste.as_bytes())
.unwrap();
let (send_client_instructions, receive_client_instructions): SyncChannelWithContext<
ClientInstruction,
> = mpsc::sync_channel(50);
let send_client_instructions =
SenderWithContext::new(SenderType::SyncSender(send_client_instructions));
#[cfg(not(any(feature = "test", test)))]
std::panic::set_hook({
use zellij_utils::errors::handle_panic;
let send_client_instructions = send_client_instructions.clone();
Box::new(move |info| {
handle_panic(info, &send_client_instructions);
})
});
let _stdin_thread = thread::Builder::new()
.name("stdin_handler".to_string())
.spawn({
let send_client_instructions = send_client_instructions.clone();
let command_is_executing = command_is_executing.clone();
let os_input = os_input.clone();
move || {
input_loop(
os_input,
config,
command_is_executing,
send_client_instructions,
)
}
});
let _signal_thread = thread::Builder::new()
.name("signal_listener".to_string())
.spawn({
let os_input = os_input.clone();
let send_client_instructions = send_client_instructions.clone();
move || {
os_input.handle_signals(
Box::new({
let os_api = os_input.clone();
move || {
os_api.send_to_server(ClientToServerMsg::TerminalResize(
os_api.get_terminal_size_using_fd(0),
));
}
}),
Box::new({
let send_client_instructions = send_client_instructions.clone();
move || {
send_client_instructions
.send(ClientInstruction::Exit)
.unwrap()
}
}),
);
}
})
.unwrap();
let
|