worker 0.6.6

A Rust SDK for writing Cloudflare Workers.
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

use js_sys::{Map, Object, Reflect};
use wasm_bindgen::prelude::*;
use wasm_bindgen_futures::JsFuture;

use crate::{Fetcher, Result};

#[derive(Debug)]
pub struct Container {
    pub(super) inner: worker_sys::Container,
}

impl Container {
    pub fn running(&self) -> bool {
        self.inner.running()
    }

    pub fn start(&self, options: Option<ContainerStartupOptions>) -> Result<()> {
        let options = match options {
            Some(o) => o.into(),
            None => JsValue::undefined(),
        };
        self.inner.start(&options).map_err(|e| e.into())
    }

    pub async fn wait_for_exit(&self) -> Result<()> {
        let promise = self.inner.monitor();
        JsFuture::from(promise).await?;
        Ok(())
    }

    pub async fn destroy(&self, error: Option<&str>) -> Result<()> {
        let promise = self.inner.destroy(error);
        JsFuture::from(promise).await?;
        Ok(())
    }

    pub fn signal(&self, signo: i32) -> Result<()> {
        self.inner.signal(signo).map_err(|e| e.into())
    }

    pub fn get_tcp_port(&self, port: u16) -> Result<Fetcher> {
        self.inner
            .get_tcp_port(port)
            .map(|f| f.into())
            .map_err(|e| e.into())
    }
}

unsafe impl Sync for Container {}
unsafe impl Send for Container {}

impl From<worker_sys::Container> for Container {
    fn from(inner: worker_sys::Container) -> Self {
        Self { inner }
    }
}

impl AsRef<JsValue> for Container {
    fn as_ref(&self) -> &JsValue {
        &self.inner
    }
}

impl From<Container> for JsValue {
    fn from(container: Container) -> Self {
        JsValue::from(container.inner)
    }
}

impl JsCast for Container {
    fn instanceof(val: &JsValue) -> bool {
        val.is_instance_of::<worker_sys::Container>()
    }

    fn unchecked_from_js(val: JsValue) -> Self {
        Self { inner: val.into() }
    }

    fn unchecked_from_js_ref(val: &JsValue) -> &Self {
        unsafe { &*(val as *const JsValue as *const Self) }
    }
}

#[wasm_bindgen(getter_with_clone)]
#[derive(Debug, Clone)]
pub struct ContainerStartupOptions {
    pub entrypoint: Vec<String>,
    #[wasm_bindgen(js_name = "enableInternet")]
    pub enable_internet: Option<bool>,
    pub env: Map,
}

impl ContainerStartupOptions {
    pub fn new() -> ContainerStartupOptions {
        ContainerStartupOptions {
            entrypoint: Vec::new(),
            enable_internet: None,
            env: Map::new(),
        }
    }

    pub fn set_entrypoint(&mut self, entrypoint: &[&str]) {
        self.entrypoint = entrypoint.iter().map(|s| s.to_string()).collect();
    }

    pub fn enable_internet(&mut self, enable_internet: bool) {
        self.enable_internet = Some(enable_internet);
    }

    pub fn add_env(&mut self, key: &str, value: &str) {
        self.env
            .set(&JsValue::from_str(key), &JsValue::from_str(value));
    }
}

impl From<ContainerStartupOptions> for Object {
    fn from(options: ContainerStartupOptions) -> Self {
        let obj = options.clone().into();
        if !options.entrypoint.is_empty() {
            Reflect::delete_property(&obj, &JsValue::from_str("entrypoint")).unwrap();
        }
        if options.enable_internet.is_some() {
            Reflect::delete_property(&obj, &JsValue::from_str("enableInternet")).unwrap();
        }
        if options.env.size() != 0 {
            Reflect::delete_property(&obj, &JsValue::from_str("env")).unwrap();
        }
        obj
    }
}