zenoh 1.9.0

Zenoh: The Zero Overhead Pub/Sub/Query Protocol.
Documentation 
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

//
// Copyright (c) 2025 ZettaScale Technology
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
//
// Contributors:
//   ZettaScale Zenoh Team, <zenoh@zettascale.tech>
//
#![cfg(feature = "unstable")]
mod common;
use crate::common::TestSessions;

fn run_in_separate_process(main_name: &str, must_panic: bool) {
    let output = std::process::Command::new(std::env::current_exe().unwrap())
        .arg(main_name)
        .arg("--nocapture")
        .arg("--show-output")
        .arg("--exact")
        .arg("--include-ignored")
        .env(
            {
                match must_panic {
                    true => "PROBE_PANIC_IN_TEST",
                    false => "PROBE_NO_PANIC_IN_TEST",
                }
            },
            "true",
        )
        .output()
        .expect("Failed to run test in separate process");

    match must_panic {
        true => {
            assert!(
                !output.status.success(),
                "Inner test should have been failed"
            );
        }
        false => {
            assert!(output.status.success(), "Inner test failed");
        }
    };
}

#[ignore]
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn panic_in_separate_process() {
    if std::env::var("PROBE_PANIC_IN_TEST").is_ok() {
        panic!("Panic in test because PROBE_PANIC_IN_TEST is set!");
    }
}

#[ignore]
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn atexit_panic_in_separate_process() {
    unsafe { libc::atexit(panic_in_atexit) };
}

extern "C" fn panic_in_atexit() {
    if std::env::var("PROBE_PANIC_IN_TEST").is_ok() {
        panic!("Panic in atexit because PROBE_PANIC_IN_TEST is set!");
    }
}

#[test]
fn panic_is_seen_in_separate_process() {
    run_in_separate_process("panic_in_separate_process", true);
}

#[test]
fn panic_is_seen_in_separate_process_atexit() {
    run_in_separate_process("atexit_panic_in_separate_process", true);
}

use std::sync::OnceLock;

use zenoh::{Session, Wait};
static SESSION: OnceLock<Session> = OnceLock::new();

#[ignore]
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn session_close_in_atexit_main() {
    if std::env::var("PROBE_PANIC_IN_TEST").is_ok() {
        panic!("Panic in test because PROBE_PANIC_IN_TEST is set!");
    }

    // Open the sessions
    let mut test_context = TestSessions::new();
    let s = test_context.open_listener().await;
    let _session = SESSION.get_or_init(move || s);

    unsafe { libc::atexit(close_session_in_atexit) };
}

extern "C" fn close_session_in_atexit() {
    let session = SESSION.get().unwrap();
    session.close().wait().unwrap();
}

#[cfg(not(nolocal_thread_not_available))]
#[test]
fn session_close_in_atexit() {
    run_in_separate_process("session_close_in_atexit_main", true);
    run_in_separate_process("session_close_in_atexit_main", false);
}

#[cfg(all(feature = "unstable", feature = "internal"))]
use std::sync::Mutex;

#[cfg(all(feature = "unstable", feature = "internal"))]
use zenoh::{internal::builders::close::NolocalJoinHandle, Result};

#[cfg(all(feature = "unstable", feature = "internal"))]
static BACKGROUND_SESSION: OnceLock<Session> = OnceLock::new();
#[cfg(all(feature = "unstable", feature = "internal"))]
static CLOSE: OnceLock<Mutex<Option<NolocalJoinHandle<Result<()>>>>> = OnceLock::new();

#[cfg(all(feature = "unstable", feature = "internal"))]
#[ignore]
#[tokio::test(flavor = "multi_thread", worker_threads = 4)]
async fn background_session_close_in_atexit_main() {
    if std::env::var("PROBE_PANIC_IN_TEST").is_ok() {
        panic!("Panic in test because PROBE_PANIC_IN_TEST is set!");
    }

    // Open the sessions
    let mut test_context = TestSessions::new();
    let s = test_context.open_listener().await;
    let session = BACKGROUND_SESSION.get_or_init(move || s);

    let _close = CLOSE.get_or_init(|| Mutex::new(Some(session.close().in_background().wait())));

    unsafe { libc::atexit(background_close_session_in_atexit) };
}

#[cfg(all(feature = "unstable", feature = "internal"))]
extern "C" fn background_close_session_in_atexit() {
    let mut close = CLOSE.get().unwrap().lock().unwrap();
    close.take().unwrap().wait().unwrap();
}

#[cfg(all(feature = "unstable", feature = "internal"))]
#[test]
fn background_session_close_in_atexit() {
    run_in_separate_process("background_session_close_in_atexit_main", true);
    run_in_separate_process("background_session_close_in_atexit_main", false);
}