use blockdev::get_devices;

fn main() -> Result<(), blockdev::BlockDevError> {
    // Get all block devices from the system
    let devices = get_devices()?;

    // Iterate over devices
    for device in &devices {
        println!("{}: {} bytes, type: {:?}",
            device.name,
            device.size,
            device.device_type
        );
    }

    Ok(())
}

use blockdev::get_devices;

fn main() -> Result<(), blockdev::BlockDevError> {
    let devices = get_devices()?;

    // Get disks that don't contain the root filesystem
    for device in devices.non_system() {
        if device.is_disk() {
            println!("Available disk: {} ({} bytes)", device.name, device.size);
        }
    }

    Ok(())
}

use blockdev::get_devices;

fn main() -> Result<(), blockdev::BlockDevError> {
    let devices = get_devices()?;

    if let Some(device) = devices.find_by_name("sda") {
        println!("Found sda:");
        println!("  Size: {} bytes", device.size);
        println!("  Type: {:?}", device.device_type);
        println!("  Major:Minor: {}", device.maj_min);
        println!("  Removable: {}", device.rm);
        println!("  Read-only: {}", device.ro);

        // Check partitions
        if device.has_children() {
            println!("  Partitions:");
            for child in device.children_iter() {
                println!("    - {}: {} bytes", child.name, child.size);
            }
        }
    }

    Ok(())
}

use blockdev::parse_lsblk;

fn main() -> Result<(), serde_json::Error> {
    let json = r#"{
        "blockdevices": [{
            "name": "sda",
            "maj:min": "8:0",
            "rm": false,
            "size": 500107862016,
            "ro": false,
            "type": "disk",
            "mountpoints": [null],
            "children": [{
                "name": "sda1",
                "maj:min": "8:1",
                "rm": false,
                "size": 500106813440,
                "ro": false,
                "type": "part",
                "mountpoints": ["/data"]
            }]
        }]
    }"#;

    let devices = parse_lsblk(json)?;
    println!("Parsed {} devices", devices.len());

    Ok(())
}

use blockdev::get_devices;

fn main() -> Result<(), blockdev::BlockDevError> {
    let devices = get_devices()?;

    for device in &devices {
        if device.is_mounted() {
            println!("{} is mounted at: {:?}",
                device.name,
                device.active_mountpoints()
            );
        }

        // Check children too
        for child in device.children_iter() {
            if child.is_mounted() {
                println!("  {} is mounted at: {:?}",
                    child.name,
                    child.active_mountpoints()
                );
            }
        }
    }

    Ok(())
}