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use crate::rest;
use std::ffi::CString;
#[derive(Debug, PartialEq)]
#[repr(C)]
pub enum MullvadApiErrorKind {
NoError = 0,
StringParsing = -1,
SocketAddressParsing = -2,
AsyncRuntimeInitialization = -3,
BadResponse = -4,
}
/// MullvadApiErrorKind contains a description and an error kind. If the error kind is
/// `MullvadApiErrorKind` is NoError, the pointer will be nil.
#[derive(Debug)]
#[repr(C)]
pub struct MullvadApiError {
description: *mut libc::c_char,
kind: MullvadApiErrorKind,
}
impl MullvadApiError {
pub fn new(kind: MullvadApiErrorKind, error: &dyn std::error::Error) -> Self {
let description = CString::new(format!("{error:?}: {error}")).unwrap_or_default();
Self {
description: description.into_raw(),
kind,
}
}
pub fn api_err(error: rest::Error) -> Self {
Self::new(MullvadApiErrorKind::BadResponse, &error)
}
pub fn with_str(kind: MullvadApiErrorKind, description: &str) -> Self {
let description = CString::new(description).unwrap_or_default();
Self {
description: description.into_raw(),
kind,
}
}
pub fn ok() -> MullvadApiError {
Self {
description: std::ptr::null_mut(),
kind: MullvadApiErrorKind::NoError,
}
}
pub fn unwrap(&self) {
if !matches!(self.kind, MullvadApiErrorKind::NoError) {
let desc = unsafe { std::ffi::CStr::from_ptr(self.description) };
panic!("API ERROR - {:?} - {}", self.kind, desc.to_str().unwrap());
}
}
pub fn drop(self) {
if self.description.is_null() {
return;
}
let _ = unsafe { CString::from_raw(self.description) };
}
}
#[unsafe(no_mangle)]
pub extern "C" fn mullvad_api_error_drop(error: MullvadApiError) {
error.drop()
}
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