swindon 0.7.8

An HTTP edge (frontend) server with smart websockets support 
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

use std::fmt;
use std::str::FromStr;
use std::num::ParseIntError;
use serde::de::{self, Deserialize, Deserializer, Visitor};

use runtime::ServerId;

/// Internal connection id
#[derive(Hash, PartialEq, Eq, Clone, Copy, Serialize, Deserialize)]
pub struct Cid(u64);


/// Public connection id
pub struct PubCid(pub Cid, pub ServerId);

impl Cid {
    #[cfg(target_pointer_width = "64")]
    pub fn new() -> Cid {
        // Until atomic u64 really works
        use std::sync::atomic::{AtomicUsize, ATOMIC_USIZE_INIT, Ordering};
        static COUNTER: AtomicUsize = ATOMIC_USIZE_INIT;
        Cid(COUNTER.fetch_add(1, Ordering::Relaxed) as u64)
    }
}


impl FromStr for Cid {
    type Err = ParseIntError;

    fn from_str(src: &str) -> Result<Cid, Self::Err> {
        src.parse().map(|x| Cid(x))
    }
}

impl fmt::Debug for Cid {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        if f.alternate() {
            write!(f, "cid:{}", self.0)
        } else {
            write!(f, "Cid({})", self.0)
        }
    }
}

impl fmt::Display for Cid {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "{}", self.0)
    }
}

impl FromStr for PubCid {
    type Err = ();

    fn from_str(src: &str) -> Result<Self, Self::Err> {
        let s = src.rfind('-').ok_or(())?;
        let (rid, cid) = src.split_at(s);
        let rid = rid.parse().map_err(|_| ())?;
        let cid = cid[1..].parse().map_err(|_| ())?;
        Ok(PubCid(cid, rid))
    }
}

impl<'de> Deserialize<'de> for PubCid {
    fn deserialize<D>(d: D) -> Result<Self, D::Error>
        where D: Deserializer<'de>
    {
        d.deserialize_str(CidVisitor)
    }
}

struct CidVisitor;

impl<'de> Visitor<'de> for CidVisitor {
    type Value = PubCid;
    fn expecting(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "valid connection id string")
    }
    fn visit_str<E>(self, val: &str) -> Result<Self::Value, E>
        where E: de::Error
    {
        val.parse().map_err(|_| de::Error::custom("invalid connection id"))
    }
}