mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-22 07:03:38 +00:00
3f7ff1b068
This patch includes: - Event callback handlers - Tests related to events(410-430) src/bin/event.rs and src/bin/event_leak.rs are the PoCs that Boxes related to callbacks are not leaked.
77 lines
2.2 KiB
Rust
77 lines
2.2 KiB
Rust
/* libguestfs Rust bindings
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* Copyright (C) 2019 Hiroyuki Katsura <hiroyuki.katsura.0513@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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use crate::base;
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use crate::utils;
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use std::convert;
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use std::ffi;
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use std::io;
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use std::os::raw::{c_char, c_int};
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use std::str;
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#[link(name = "guestfs")]
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extern "C" {
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fn guestfs_last_error(g: *mut base::guestfs_h) -> *const c_char;
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fn guestfs_last_errno(g: *mut base::guestfs_h) -> c_int;
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}
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#[derive(Debug)]
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pub struct APIError {
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operation: &'static str,
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message: String,
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errno: i32,
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}
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#[derive(Debug)]
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pub enum Error {
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API(APIError),
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IllegalString(ffi::NulError),
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Utf8Error(str::Utf8Error),
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UnixError(io::Error, &'static str),
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Create,
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}
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impl convert::From<ffi::NulError> for Error {
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fn from(error: ffi::NulError) -> Self {
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Error::IllegalString(error)
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}
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}
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impl convert::From<str::Utf8Error> for Error {
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fn from(error: str::Utf8Error) -> Self {
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Error::Utf8Error(error)
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}
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}
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pub(crate) fn unix_error(operation: &'static str) -> Error {
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Error::UnixError(io::Error::last_os_error(), operation)
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}
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impl<'a> base::Handle<'a> {
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pub(crate) fn get_error_from_handle(&self, operation: &'static str) -> Error {
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let c_msg = unsafe { guestfs_last_error(self.g) };
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let message = unsafe { utils::char_ptr_to_string(c_msg).unwrap() };
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let errno = unsafe { guestfs_last_errno(self.g) };
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Error::API(APIError {
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operation,
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message,
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errno,
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})
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}
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}
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