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use std::io;
use crate::connect::resolver::ResolveError;
use derive_more::{Display, From};
use crate::http::error::{Error, ParseError, ResponseError};
use crate::http::{ HttpError, StatusCode};
#[derive(Debug, Display, From)]
pub enum ConnectError {
#[display(fmt = "SSL is not supported")]
SslIsNotSupported,
#[display(fmt = "Failed resolving hostname: {}", _0)]
Resolver(ResolveError),
#[display(fmt = "No dns records found for the input")]
NoRecords,
#[display(fmt = "{}", _0)]
H2(crate::http::h2::Error),
#[display(fmt = "Timeout out while establishing connection")]
Timeout,
#[display(fmt = "Internal error: connector has been disconnected")]
Disconnected,
#[display(fmt = "Connector received `Connect` method with unresolved host")]
Unresolverd,
#[display(fmt = "{}", _0)]
Io(io::Error),
}
impl From<crate::connect::ConnectError> for ConnectError {
fn from(err: crate::connect::ConnectError) -> ConnectError {
match err {
crate::connect::ConnectError::Resolver(e) => ConnectError::Resolver(e),
crate::connect::ConnectError::NoRecords => ConnectError::NoRecords,
crate::connect::ConnectError::InvalidInput => panic!(),
crate::connect::ConnectError::Unresolverd => ConnectError::Unresolverd,
crate::connect::ConnectError::Io(e) => ConnectError::Io(e),
}
}
}
#[derive(Debug, Display, From)]
pub enum InvalidUrl {
#[display(fmt = "Missing url scheme")]
MissingScheme,
#[display(fmt = "Unknown url scheme")]
UnknownScheme,
#[display(fmt = "Missing host name")]
MissingHost,
#[display(fmt = "Url parse error: {}", _0)]
HttpError(http::Error),
}
#[derive(Debug, Display, From)]
pub enum SendRequestError {
#[display(fmt = "Invalid URL: {}", _0)]
Url(InvalidUrl),
#[display(fmt = "Failed to connect to host: {}", _0)]
Connect(ConnectError),
Send(io::Error),
Response(ParseError),
#[display(fmt = "{}", _0)]
Http(HttpError),
#[display(fmt = "{}", _0)]
H2(crate::http::h2::Error),
#[display(fmt = "Timeout out while waiting for response")]
Timeout,
#[display(fmt = "Tunnels are not supported for http2 connection")]
TunnelNotSupported,
Body(Error),
}
impl ResponseError for SendRequestError {
fn status_code(&self) -> StatusCode {
match *self {
SendRequestError::Connect(ConnectError::Timeout) => {
StatusCode::GATEWAY_TIMEOUT
}
SendRequestError::Connect(_) => StatusCode::BAD_REQUEST,
_ => StatusCode::INTERNAL_SERVER_ERROR,
}
}
}
#[derive(Debug, Display, From)]
pub enum FreezeRequestError {
#[display(fmt = "Invalid URL: {}", _0)]
Url(InvalidUrl),
#[display(fmt = "{}", _0)]
Http(HttpError),
}
impl From<FreezeRequestError> for SendRequestError {
fn from(e: FreezeRequestError) -> Self {
match e {
FreezeRequestError::Url(e) => e.into(),
FreezeRequestError::Http(e) => e.into(),
}
}
}