kmoddep 0.1.5

Linux module information
Documentation 
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use std::collections::{HashMap, HashSet};

use crate::{kerman::KernelInfo, modinfo};

pub struct KModuleTree {
    kernel: KernelInfo,
}

impl KModuleTree {
    /// lsmod
    pub fn get_loaded_modules(&self) -> Vec<String> {
        modinfo::lsmod()
            .iter()
            .map(|modinfo| modinfo.name.to_owned())
            .collect()
    }

    /// Snapshot currently active modules (lsmod)
    #[allow(dead_code)]
    pub fn get_loaded_deps(&self) -> HashMap<String, Vec<String>> {
        self.get_specified_deps(&self.get_loaded_modules())
    }

    /// Get all dependencies for the specified modules
    pub fn get_specified_deps(&self, modules: &[String]) -> HashMap<String, Vec<String>> {
        match modules.is_empty() {
            true => return self.kernel.get_deps_for(&self.get_loaded_modules()),
            false => (),
        }

        self.kernel.get_deps_for(modules)
    }

    /// Same as a snapshot `get_loaded()` except it is merges
    /// all the dependencies into one list for an actual operations.
    #[allow(dead_code)]
    pub fn merge_loaded_deps(&self) -> HashSet<String> {
        self.merge_specified_deps(&self.get_loaded_modules())
    }

    /// Same as `get_specified` method, except it merges
    /// all the dependencies into one list for an actual operations.
    pub fn merge_specified_deps(&self, modules: &[String]) -> HashSet<String> {
        let mut deps = HashSet::default();
        for (module, data) in self.get_specified_deps(modules) {
            deps.extend(data);
            deps.insert(module);
        }

        deps
    }
}