http-client-unix-domain-socket 0.1.1

A simple HTTP (json) client using UNIX domain socket in Rust
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

use hyper::StatusCode;
#[cfg(feature = "json")]
use serde::de::DeserializeOwned;

/// Internal Error, wrapping other source of error.
#[derive(Debug)]
pub enum Error {
    SocketConnectionInitiation(std::io::Error),
    SocketConnectionClosed(Option<hyper::Error>),
    Handhsake(hyper::Error),
    RequestBuild(hyper::http::Error),
    RequestSend(hyper::Error),
    #[cfg(feature = "json")]
    RequestParsing(serde_json::Error),
    ResponseCollect(hyper::Error),
    #[cfg(feature = "json")]
    ResponseParsing(serde_json::Error),
}
impl std::fmt::Display for Error {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            Error::SocketConnectionInitiation(e) => {
                write!(f, "Failed to connect to unix stream, {}", e)
            }
            Error::SocketConnectionClosed(None) => {
                write!(f, "Unix stream was closed without any error.")
            }
            Error::SocketConnectionClosed(Some(e)) => {
                write!(f, "Unix stream was closed, {}", e)
            }
            Error::Handhsake(e) => {
                write!(f, "Failed to do HTTP 1.0 handshaking, {}", e)
            }
            Error::RequestBuild(e) => {
                write!(f, "Failed to build http request, {}", e)
            }
            Error::RequestSend(e) => {
                write!(f, "Failed to send http request, {}", e)
            }
            #[cfg(feature = "json")]
            Error::RequestParsing(e) => {
                write!(f, "Failed to parse http json request, {}", e)
            }
            Error::ResponseCollect(e) => {
                write!(f, "Failed to collect http request, {}", e)
            }
            #[cfg(feature = "json")]
            Error::ResponseParsing(e) => {
                write!(f, "Failed to parse http json response, {}", e)
            }
        }
    }
}
impl std::error::Error for Error {
    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
        match self {
            Error::SocketConnectionInitiation(error) => Some(error),
            Error::SocketConnectionClosed(Some(error)) => Some(error),
            Error::SocketConnectionClosed(None) => None,
            Error::Handhsake(error) => Some(error),
            Error::RequestBuild(error) => Some(error),
            Error::RequestSend(error) => Some(error),
            #[cfg(feature = "json")]
            Error::RequestParsing(error) => Some(error),
            Error::ResponseCollect(error) => Some(error),
            #[cfg(feature = "json")]
            Error::ResponseParsing(error) => Some(error),
        }
    }
}

/// Error used by [crate::ClientUnix::send_request] to be able to return unsuccessful HTTP error body.
#[derive(Debug)]
pub enum ErrorAndResponse {
    InternalError(Error),
    ResponseUnsuccessful(StatusCode, Vec<u8>),
}
impl std::fmt::Display for ErrorAndResponse {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            ErrorAndResponse::InternalError(e) => {
                write!(f, "Internal error, {}", e)
            }
            ErrorAndResponse::ResponseUnsuccessful(status_code, _) => {
                write!(
                    f,
                    "HTTP response was not successful, status code = {}",
                    status_code
                )
            }
        }
    }
}
impl std::error::Error for ErrorAndResponse {
    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
        match self {
            ErrorAndResponse::InternalError(error) => error.source(),
            ErrorAndResponse::ResponseUnsuccessful(_, _) => None,
        }
    }
}

/// Error used by [crate::ClientUnix::send_request_json] to be able to return unsuccessful HTTP error typed body **(feature = json)**.
#[cfg(feature = "json")]
#[derive(Debug)]
pub enum ErrorAndResponseJson<ERR: DeserializeOwned> {
    InternalError(Error),
    ResponseUnsuccessful(StatusCode, ERR),
}
#[cfg(feature = "json")]
impl<ERR: DeserializeOwned> std::fmt::Display for ErrorAndResponseJson<ERR> {
    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
        match self {
            ErrorAndResponseJson::InternalError(e) => {
                write!(f, "Internal error, {}", e)
            }
            ErrorAndResponseJson::ResponseUnsuccessful(status_code, _) => {
                write!(
                    f,
                    "HTTP response was not successful, status code = {}",
                    status_code
                )
            }
        }
    }
}
#[cfg(feature = "json")]
impl<ERR: DeserializeOwned + std::fmt::Debug> std::error::Error for ErrorAndResponseJson<ERR> {
    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
        match self {
            ErrorAndResponseJson::InternalError(error) => error.source(),
            ErrorAndResponseJson::ResponseUnsuccessful(_, _) => None,
        }
    }
}