adb_cli 3.2.3

Rust ADB (Android Debug Bridge) CLI
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#![cfg(any(target_os = "linux", target_os = "macos"))]

use std::os::unix::prelude::{AsRawFd, RawFd};

use termios::{ECHO, ICANON, TCSANOW, Termios, VMIN, VTIME, tcsetattr};

use crate::models::{ADBCliError, ADBCliResult};

pub struct ADBTermios {
    fd: RawFd,
    old_termios: Termios,
    new_termios: Termios,
}

impl ADBTermios {
    pub fn new(fd: &impl AsRawFd) -> Result<Self, ADBCliError> {
        let mut new_termios = Termios::from_fd(fd.as_raw_fd())?;
        let old_termios = new_termios; // Saves previous state
        // Deactivate canonical mode (`ICANON`) and echo (`ECHO`)
        new_termios.c_lflag &= !(ICANON | ECHO);
        new_termios.c_cc[VTIME] = 0;
        new_termios.c_cc[VMIN] = 1;

        Ok(Self {
            fd: fd.as_raw_fd(),
            old_termios,
            new_termios,
        })
    }

    pub fn set_adb_termios(&self) -> ADBCliResult<()> {
        Ok(tcsetattr(self.fd, TCSANOW, &self.new_termios)?)
    }
}

impl Drop for ADBTermios {
    fn drop(&mut self) {
        // Custom drop implementation, restores previous termios structure.
        if let Err(e) = tcsetattr(self.fd, TCSANOW, &self.old_termios) {
            log::error!("Error while dropping ADBTermios: {e}");
        }
    }
}