dingtalk_stream/
utils.rs

1//! Utility functions for DingTalk Stream SDK
2
3/// Get the local IP address of the machine
4pub fn get_local_ip() -> Option<String> {
5    // Try to connect to a known IP to get the local address
6    let socket = std::net::UdpSocket::bind("0.0.0.0:0").ok()?;
7    socket.connect("8.8.8.8:80").ok()?;
8    socket.local_addr().ok().map(|addr| addr.ip().to_string())
9}
10
11/// Convert a URL with query parameters
12pub fn build_url_with_params(base_url: &str, params: &[(&str, &str)]) -> String {
13    let mut url = base_url.to_string();
14    if !params.is_empty() {
15        url.push('?');
16        for (i, (key, value)) in params.iter().enumerate() {
17            if i > 0 {
18                url.push('&');
19            }
20            url.push_str(&format!("{}={}", key, urlencoding::encode(value)));
21        }
22    }
23    url
24}
25
26/// URL encoding helper
27mod urlencoding {
28    pub fn encode(s: &str) -> String {
29        let mut result = String::new();
30        for byte in s.bytes() {
31            match byte {
32                b'A'..=b'Z' | b'a'..=b'z' | b'0'..=b'9' | b'-' | b'_' | b'.' | b'~' => {
33                    result.push(byte as char);
34                }
35                _ => {
36                    result.push_str(&format!("%{:02X}", byte));
37                }
38            }
39        }
40        result
41    }
42}
43
44#[cfg(test)]
45mod tests {
46    use super::*;
47
48    #[test]
49    fn test_url_encoding() {
50        assert_eq!(urlencoding::encode("hello"), "hello");
51        assert_eq!(urlencoding::encode("hello world"), "hello%20world");
52        assert_eq!(urlencoding::encode("a+b"), "a%2Bb");
53    }
54
55    #[test]
56    fn test_build_url_with_params() {
57        let url = build_url_with_params("https://api.example.com", &[
58            ("key", "value"),
59            ("foo", "bar"),
60        ]);
61        assert!(url.contains("key=value"));
62        assert!(url.contains("foo=bar"));
63    }
64}
dingtalk_stream/utils.rs

dingtalk_stream/
utils.rs
