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// CAN backend device
//
// Copyright 2023 VIRTUAL OPEN SYSTEMS SAS. All Rights Reserved.
// Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
//
// SPDX-License-Identifier: Apache-2.0 or BSD-3-Clause
use log::{warn, error};
use std::sync::{Arc, RwLock};
use thiserror::Error as ThisError;
use vm_memory::{ByteValued, Le16};
use crate::vhu_console::{VirtioConsoleConfig, VirtioConsoleControl};
type Result<T> = std::result::Result<T, Error>;
#[derive(Copy, Clone, Debug, PartialEq, ThisError)]
pub(crate) enum Error {
#[error("Console not enabled yet")]
ConsoleNotEnabled,
}
#[derive(Debug)]
pub(crate) struct ConsoleController {
config: VirtioConsoleConfig,
pub console_name: String,
}
impl ConsoleController {
// Creates a new controller corresponding to `device`.
pub(crate) fn new(console_name: String) -> Result<ConsoleController> {
let console_name = console_name.to_owned();
println!("console_name: {:?}", console_name);
Ok(ConsoleController {
config: VirtioConsoleConfig {
cols: 20.into(),
rows: 20.into(),
max_nr_ports: 1.into(),
emerg_wr: 64.into(),
},
console_name,
})
}
pub(crate) fn config(&self) -> &VirtioConsoleConfig {
log::trace!("Get config\n");
&self.config
}
pub(crate) fn operation(&self, tx_request: VirtioConsoleControl) -> Result<()> {
log::trace!("Console operation\n");
Ok(())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_new_console_controller() {
let console_name = String::from("test_console");
let controller = ConsoleController::new(console_name.clone());
assert!(controller.is_ok());
let controller = controller.unwrap();
assert_eq!(controller.console_name, "test_console");
}
#[test]
fn test_console_controller_config() {
let console_name = String::from("test_console");
let controller = ConsoleController::new(console_name).unwrap();
let config = controller.config();
assert_eq!(config.cols, 20);
assert_eq!(config.rows, 20);
assert_eq!(config.max_nr_ports, 1);
assert_eq!(config.emerg_wr, 64);
}
}
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