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</pre></div><pre class="rust"><code><span class="doccomment">//! # units module
//!
//! All main systemd unit statistics. Counts of types of units, unit states and
//! queued jobs. We also house service specific statistics and system unit states.

</span><span class="kw">use </span>std::collections::HashMap;
<span class="kw">use </span>std::str::FromStr;
<span class="kw">use </span>std::sync::Arc;

<span class="kw">use </span>anyhow::Result;
<span class="kw">use </span>int_enum::IntEnum;
<span class="kw">use </span>serde_repr::<span class="kw-2">*</span>;
<span class="kw">use </span>struct_field_names_as_array::FieldNamesAsArray;
<span class="kw">use </span>strum_macros::EnumIter;
<span class="kw">use </span>strum_macros::EnumString;
<span class="kw">use </span>tokio::sync::RwLock;
<span class="kw">use </span>tracing::debug;
<span class="kw">use </span>tracing::error;
<span class="kw">use </span>zbus::zvariant::ObjectPath;
<span class="kw">use </span>zbus::zvariant::OwnedObjectPath;

<span class="kw">use </span><span class="kw">crate</span>::MachineStats;

<span class="attr">#[derive(
    serde::Serialize, serde::Deserialize, Clone, Debug, Default, Eq, FieldNamesAsArray, PartialEq,
)]

</span><span class="doccomment">/// Struct with all the unit count statistics
</span><span class="kw">pub struct </span>SystemdUnitStats {
    <span class="kw">pub </span>active_units: u64,
    <span class="kw">pub </span>automount_units: u64,
    <span class="kw">pub </span>device_units: u64,
    <span class="kw">pub </span>failed_units: u64,
    <span class="kw">pub </span>inactive_units: u64,
    <span class="kw">pub </span>jobs_queued: u64,
    <span class="kw">pub </span>loaded_units: u64,
    <span class="kw">pub </span>masked_units: u64,
    <span class="kw">pub </span>mount_units: u64,
    <span class="kw">pub </span>not_found_units: u64,
    <span class="kw">pub </span>path_units: u64,
    <span class="kw">pub </span>scope_units: u64,
    <span class="kw">pub </span>service_units: u64,
    <span class="kw">pub </span>slice_units: u64,
    <span class="kw">pub </span>socket_units: u64,
    <span class="kw">pub </span>target_units: u64,
    <span class="kw">pub </span>timer_units: u64,
    <span class="kw">pub </span>total_units: u64,
    <span class="kw">pub </span>service_stats: HashMap&lt;String, ServiceStats&gt;,
    <span class="kw">pub </span>unit_states: HashMap&lt;String, UnitStates&gt;,
}

<span class="doccomment">/// Selected subset of metrics collected from systemd OrgFreedesktopSystemd1Service
</span><span class="attr">#[derive(
    serde::Serialize, serde::Deserialize, Clone, Debug, Default, Eq, FieldNamesAsArray, PartialEq,
)]
</span><span class="kw">pub struct </span>ServiceStats {
    <span class="kw">pub </span>active_enter_timestamp: u64,
    <span class="kw">pub </span>active_exit_timestamp: u64,
    <span class="kw">pub </span>cpuusage_nsec: u64,
    <span class="kw">pub </span>inactive_exit_timestamp: u64,
    <span class="kw">pub </span>ioread_bytes: u64,
    <span class="kw">pub </span>ioread_operations: u64,
    <span class="kw">pub </span>memory_available: u64,
    <span class="kw">pub </span>memory_current: u64,
    <span class="kw">pub </span>nrestarts: u32,
    <span class="kw">pub </span>processes: u32,
    <span class="kw">pub </span>restart_usec: u64,
    <span class="kw">pub </span>state_change_timestamp: u64,
    <span class="kw">pub </span>status_errno: i32,
    <span class="kw">pub </span>tasks_current: u64,
    <span class="kw">pub </span>timeout_clean_usec: u64,
    <span class="kw">pub </span>watchdog_usec: u64,
}

<span class="doccomment">/// Collection of a Unit active and load state: &lt;https://www.freedesktop.org/software/systemd/man/org.freedesktop.systemd1.html&gt;
</span><span class="attr">#[derive(
    serde::Serialize, serde::Deserialize, Clone, Debug, Default, Eq, FieldNamesAsArray, PartialEq,
)]
</span><span class="kw">pub struct </span>UnitStates {
    <span class="kw">pub </span>active_state: SystemdUnitActiveState,
    <span class="kw">pub </span>load_state: SystemdUnitLoadState,
    <span class="comment">// Unhealthy is only calculated for SystemdUnitLoadState::loaded units based on !SystemdActiveState::active
    // and !SystemdUnitLoadState::masked
    </span><span class="kw">pub </span>unhealthy: bool,
}

<span class="comment">// Declare state types
// Reference: https://www.freedesktop.org/software/systemd/man/org.freedesktop.systemd1.html
// SubState can be unit-type-specific so can't enum

</span><span class="doccomment">/// Possible systemd unit active states enumerated
</span><span class="attr">#[allow(non_camel_case_types)]
#[derive(
    Serialize_repr,
    Deserialize_repr,
    Clone,
    Copy,
    Debug,
    Default,
    Eq,
    PartialEq,
    EnumIter,
    EnumString,
    IntEnum,
    strum_macros::Display,
)]
#[repr(u8)]
</span><span class="kw">pub enum </span>SystemdUnitActiveState {
    <span class="attr">#[default]
    </span>unknown = <span class="number">0</span>,
    active = <span class="number">1</span>,
    reloading = <span class="number">2</span>,
    inactive = <span class="number">3</span>,
    failed = <span class="number">4</span>,
    activating = <span class="number">5</span>,
    deactivating = <span class="number">6</span>,
}

<span class="doccomment">/// Possible systemd unit load states enumerated
</span><span class="attr">#[allow(non_camel_case_types)]
#[derive(
    Serialize_repr,
    Deserialize_repr,
    Clone,
    Copy,
    Debug,
    Default,
    Eq,
    PartialEq,
    EnumIter,
    EnumString,
    IntEnum,
    strum_macros::Display,
)]
#[repr(u8)]
</span><span class="kw">pub enum </span>SystemdUnitLoadState {
    <span class="attr">#[default]
    </span>unknown = <span class="number">0</span>,
    loaded = <span class="number">1</span>,
    error = <span class="number">2</span>,
    masked = <span class="number">3</span>,
    not_found = <span class="number">4</span>,
}

<span class="kw">pub const </span>SERVICE_FIELD_NAMES: <span class="kw-2">&amp;</span>[<span class="kw-2">&amp;</span>str] = <span class="kw-2">&amp;</span>ServiceStats::FIELD_NAMES_AS_ARRAY;
<span class="kw">pub const </span>UNIT_FIELD_NAMES: <span class="kw-2">&amp;</span>[<span class="kw-2">&amp;</span>str] = <span class="kw-2">&amp;</span>SystemdUnitStats::FIELD_NAMES_AS_ARRAY;
<span class="kw">pub const </span>UNIT_STATES_FIELD_NAMES: <span class="kw-2">&amp;</span>[<span class="kw-2">&amp;</span>str] = <span class="kw-2">&amp;</span>UnitStates::FIELD_NAMES_AS_ARRAY;

<span class="doccomment">/// Pull out selected systemd service statistics
</span><span class="kw">async fn </span>parse_service(
    connection: <span class="kw-2">&amp;</span>zbus::Connection,
    name: <span class="kw-2">&amp;</span>str,
    path: <span class="kw-2">&amp;</span>str,
) -&gt; <span class="prelude-ty">Result</span>&lt;ServiceStats, zbus::Error&gt; {
    <span class="macro">debug!</span>(<span class="string">"Parsing service {} stats"</span>, name);

    <span class="kw">let </span>sp = <span class="kw">crate</span>::dbus::zbus_service::ServiceProxy::builder(connection)
        .path(ObjectPath::try_from(path)<span class="question-mark">?</span>)<span class="question-mark">?
        </span>.build()
        .<span class="kw">await</span><span class="question-mark">?</span>;
    <span class="kw">let </span>up = <span class="kw">crate</span>::dbus::zbus_unit::UnitProxy::builder(connection)
        .path(ObjectPath::try_from(path)<span class="question-mark">?</span>)<span class="question-mark">?
        </span>.build()
        .<span class="kw">await</span><span class="question-mark">?</span>;

    <span class="kw">let </span>processes = <span class="kw">match </span>sp.get_processes().<span class="kw">await</span><span class="question-mark">?</span>.len().try_into() {
        <span class="prelude-val">Ok</span>(procs) =&gt; procs,
        <span class="prelude-val">Err</span>(err) =&gt; {
            <span class="macro">error!</span>(
                <span class="string">"Unable to get process count for {} into u32: {:?}"</span>,
                name, err
            );
            <span class="number">0
        </span>}
    };

    <span class="prelude-val">Ok</span>(ServiceStats {
        active_enter_timestamp: up.active_enter_timestamp().<span class="kw">await</span><span class="question-mark">?</span>,
        active_exit_timestamp: up.active_exit_timestamp().<span class="kw">await</span><span class="question-mark">?</span>,
        cpuusage_nsec: sp.cpuusage_nsec().<span class="kw">await</span><span class="question-mark">?</span>,
        inactive_exit_timestamp: up.inactive_exit_timestamp().<span class="kw">await</span><span class="question-mark">?</span>,
        ioread_bytes: sp.ioread_bytes().<span class="kw">await</span><span class="question-mark">?</span>,
        ioread_operations: sp.ioread_operations().<span class="kw">await</span><span class="question-mark">?</span>,
        memory_current: sp.memory_current().<span class="kw">await</span><span class="question-mark">?</span>,
        memory_available: sp.memory_available().<span class="kw">await</span><span class="question-mark">?</span>,
        nrestarts: sp.nrestarts().<span class="kw">await</span><span class="question-mark">?</span>,
        processes,
        restart_usec: sp.restart_usec().<span class="kw">await</span><span class="question-mark">?</span>,
        state_change_timestamp: up.state_change_timestamp().<span class="kw">await</span><span class="question-mark">?</span>,
        status_errno: sp.status_errno().<span class="kw">await</span><span class="question-mark">?</span>,
        tasks_current: sp.tasks_current().<span class="kw">await</span><span class="question-mark">?</span>,
        timeout_clean_usec: sp.timeout_clean_usec().<span class="kw">await</span><span class="question-mark">?</span>,
        watchdog_usec: sp.watchdog_usec().<span class="kw">await</span><span class="question-mark">?</span>,
    })
}

<span class="doccomment">/// Check if we're a loaded unit and if so evaluate if we're acitive or not
/// If we're not
/// Only potentially mark unhealthy for LOADED units that are not active
</span><span class="kw">pub fn </span>is_unit_unhealthy(
    active_state: SystemdUnitActiveState,
    load_state: SystemdUnitLoadState,
) -&gt; bool {
    <span class="kw">match </span>load_state {
        <span class="comment">// We're loaded so let's see if we're active or not
        </span>SystemdUnitLoadState::loaded =&gt; !<span class="macro">matches!</span>(active_state, SystemdUnitActiveState::active),
        <span class="comment">// An admin can change a unit to be masked on purpose
        // so we are going to ignore all masked units due to that
        </span>SystemdUnitLoadState::masked =&gt; <span class="bool-val">false</span>,
        <span class="comment">// Otherwise, we're unhealthy
        </span><span class="kw">_ </span>=&gt; <span class="bool-val">true</span>,
    }
}

<span class="doccomment">/// Parse state of a unit into our unit_states hash
</span><span class="kw">pub fn </span>parse_state(
    stats: <span class="kw-2">&amp;mut </span>SystemdUnitStats,
    unit: (
        String, <span class="comment">// unit name
        </span>String,
        String, <span class="comment">// load state
        </span>String, <span class="comment">// active state
        </span>String,
        String,
        OwnedObjectPath,
        u32,
        String,
        OwnedObjectPath,
    ),
    allowlist: <span class="kw-2">&amp;</span>[String],
    blocklist: <span class="kw-2">&amp;</span>[String],
) {
    <span class="kw">let </span>unit_name = unit.<span class="number">0</span>;
    <span class="kw">if </span>blocklist.contains(<span class="kw-2">&amp;</span>unit_name) {
        <span class="macro">debug!</span>(<span class="string">"Skipping state stats for {} due to blocklist"</span>, unit_name);
        <span class="kw">return</span>;
    }
    <span class="kw">if </span>!allowlist.is_empty() &amp;&amp; !allowlist.contains(<span class="kw-2">&amp;</span>unit_name) {
        <span class="kw">return</span>;
    }
    <span class="kw">let </span>active_state =
        SystemdUnitActiveState::from_str(<span class="kw-2">&amp;</span>unit.<span class="number">3</span>).unwrap_or(SystemdUnitActiveState::unknown);
    <span class="kw">let </span>load_state = SystemdUnitLoadState::from_str(<span class="kw-2">&amp;</span>unit.<span class="number">2</span>.replace(<span class="string">'-'</span>, <span class="string">"_"</span>))
        .unwrap_or(SystemdUnitLoadState::unknown);

    stats.unit_states.insert(
        unit_name.clone(),
        UnitStates {
            active_state,
            load_state,
            unhealthy: is_unit_unhealthy(active_state, load_state),
        },
    );
}

<span class="doccomment">/// Parse a unit and add to overall counts of state, type etc.
</span><span class="kw">fn </span>parse_unit(
    stats: <span class="kw-2">&amp;mut </span>SystemdUnitStats,
    unit: (
        String,          <span class="comment">// The primary unit name as string
        </span>String,          <span class="comment">// The human readable description string
        </span>String,          <span class="comment">// The load state (i.e. whether the unit file has been loaded successfully)
        </span>String,          <span class="comment">// The active state (i.e. whether the unit is currently started or not)
        </span>String,          <span class="comment">// The sub state (i.e. unit type more specific state)
        </span>String, <span class="comment">// A unit that is being followed in its state by this unit, if there is any, otherwise the empty string
        </span>OwnedObjectPath, <span class="comment">// The unit object path
        </span>u32,    <span class="comment">// If there is a job queued for the job unit, the numeric job id, 0 otherwise
        </span>String, <span class="comment">// The job type as string
        </span>OwnedObjectPath, <span class="comment">// The job object path
    </span>),
) {
    <span class="comment">// Count unit type
    </span><span class="kw">match </span>unit.<span class="number">0</span>.rsplit(<span class="string">'.'</span>).next() {
        <span class="prelude-val">Some</span>(<span class="string">"automount"</span>) =&gt; stats.automount_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"device"</span>) =&gt; stats.device_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"mount"</span>) =&gt; stats.mount_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"path"</span>) =&gt; stats.path_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"scope"</span>) =&gt; stats.scope_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"service"</span>) =&gt; stats.service_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"slice"</span>) =&gt; stats.slice_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"socket"</span>) =&gt; stats.socket_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"target"</span>) =&gt; stats.target_units += <span class="number">1</span>,
        <span class="prelude-val">Some</span>(<span class="string">"timer"</span>) =&gt; stats.timer_units += <span class="number">1</span>,
        unknown =&gt; <span class="macro">debug!</span>(<span class="string">"Found unhandled '{:?}' unit type"</span>, unknown),
    };
    <span class="comment">// Count load state
    </span><span class="kw">match </span>unit.<span class="number">2</span>.as_str() {
        <span class="string">"loaded" </span>=&gt; stats.loaded_units += <span class="number">1</span>,
        <span class="string">"masked" </span>=&gt; stats.masked_units += <span class="number">1</span>,
        <span class="string">"not-found" </span>=&gt; stats.not_found_units += <span class="number">1</span>,
        <span class="kw">_ </span>=&gt; <span class="macro">debug!</span>(<span class="string">"{} is not loaded. It's {}"</span>, unit.<span class="number">0</span>, unit.<span class="number">2</span>),
    };
    <span class="comment">// Count unit status
    </span><span class="kw">match </span>unit.<span class="number">3</span>.as_str() {
        <span class="string">"active" </span>=&gt; stats.active_units += <span class="number">1</span>,
        <span class="string">"failed" </span>=&gt; stats.failed_units += <span class="number">1</span>,
        <span class="string">"inactive" </span>=&gt; stats.inactive_units += <span class="number">1</span>,
        unknown =&gt; <span class="macro">debug!</span>(<span class="string">"Found unhandled '{}' unit state"</span>, unknown),
    };
    <span class="comment">// Count jobs queued
    </span><span class="kw">if </span>unit.<span class="number">7 </span>!= <span class="number">0 </span>{
        stats.jobs_queued += <span class="number">1</span>;
    }
}

<span class="doccomment">/// Pull all units from dbus and count how system is setup and behaving
</span><span class="kw">pub async fn </span>parse_unit_state(
    config: <span class="kw-2">&amp;</span><span class="kw">crate</span>::config::Config,
    connection: <span class="kw-2">&amp;</span>zbus::Connection,
) -&gt; <span class="prelude-ty">Result</span>&lt;SystemdUnitStats, Box&lt;<span class="kw">dyn </span>std::error::Error + Send + Sync&gt;&gt; {
    <span class="kw">if </span>!config.units.state_stats_allowlist.is_empty() {
        <span class="macro">debug!</span>(
            <span class="string">"Using unit state allowlist: {:?}"</span>,
            config.units.state_stats_allowlist
        );
    }

    <span class="kw">if </span>!config.units.state_stats_blocklist.is_empty() {
        <span class="macro">debug!</span>(
            <span class="string">"Using unit state blocklist: {:?}"</span>,
            config.units.state_stats_blocklist,
        );
    }

    <span class="kw">let </span><span class="kw-2">mut </span>stats = SystemdUnitStats::default();
    <span class="kw">let </span>p = <span class="kw">crate</span>::dbus::zbus_systemd::ManagerProxy::new(connection).<span class="kw">await</span><span class="question-mark">?</span>;
    <span class="kw">let </span>units = p.list_units().<span class="kw">await</span><span class="question-mark">?</span>;

    stats.total_units = units.len() <span class="kw">as </span>u64;
    <span class="kw">for </span>unit <span class="kw">in </span>units {
        <span class="comment">// Collect unit types + states counts
        </span>parse_unit(<span class="kw-2">&amp;mut </span>stats, unit.clone());

        <span class="comment">// Collect per unit state stats - ActiveState + LoadState
        // Not collecting SubState (yet)
        </span><span class="kw">if </span>config.units.state_stats {
            parse_state(
                <span class="kw-2">&amp;mut </span>stats,
                unit.clone(),
                <span class="kw-2">&amp;</span>config.units.state_stats_allowlist,
                <span class="kw-2">&amp;</span>config.units.state_stats_blocklist,
            );
        }

        <span class="comment">// Collect service stats
        </span><span class="kw">if </span>config.services.contains(<span class="kw-2">&amp;</span>unit.<span class="number">0</span>) {
            <span class="macro">debug!</span>(<span class="string">"Collecting service stats for {:?}"</span>, <span class="kw-2">&amp;</span>unit);
            <span class="kw">match </span>parse_service(connection, <span class="kw-2">&amp;</span>unit.<span class="number">0</span>, <span class="kw-2">&amp;</span>unit.<span class="number">6</span>).<span class="kw">await </span>{
                <span class="prelude-val">Ok</span>(service_stats) =&gt; {
                    stats.service_stats.insert(unit.<span class="number">0</span>.clone(), service_stats);
                }
                <span class="prelude-val">Err</span>(err) =&gt; <span class="macro">error!</span>(
                    <span class="string">"Unable to get service stats for {} {}: {:#?}"</span>,
                    <span class="kw-2">&amp;</span>unit.<span class="number">0</span>, <span class="kw-2">&amp;</span>unit.<span class="number">6</span>, err
                ),
            }
        }
    }
    <span class="macro">debug!</span>(<span class="string">"unit stats: {:?}"</span>, stats);
    <span class="prelude-val">Ok</span>(stats)
}

<span class="doccomment">/// Async wrapper than can update uni stats when passed a locked struct
</span><span class="kw">pub async fn </span>update_unit_stats(
    config: <span class="kw">crate</span>::config::Config,
    connection: zbus::Connection,
    locked_machine_stats: Arc&lt;RwLock&lt;MachineStats&gt;&gt;,
) -&gt; anyhow::Result&lt;()&gt; {
    <span class="kw">let </span><span class="kw-2">mut </span>machine_stats = locked_machine_stats.write().<span class="kw">await</span>;
    <span class="kw">match </span>parse_unit_state(<span class="kw-2">&amp;</span>config, <span class="kw-2">&amp;</span>connection).<span class="kw">await </span>{
        <span class="prelude-val">Ok</span>(units_stats) =&gt; machine_stats.units = units_stats,
        <span class="prelude-val">Err</span>(err) =&gt; <span class="macro">error!</span>(<span class="string">"units stats failed: {:?}"</span>, err),
    }
    <span class="prelude-val">Ok</span>(())
}

<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
    <span class="kw">use super</span>::<span class="kw-2">*</span>;
    <span class="kw">use </span>strum::IntoEnumIterator;

    <span class="kw">fn </span>get_unit_file() -&gt; (
        String, <span class="comment">// unit name
        </span>String,
        String, <span class="comment">// load state
        </span>String, <span class="comment">// active state
        </span>String,
        String,
        OwnedObjectPath,
        u32,
        String,
        OwnedObjectPath,
    ) {
        (
            String::from(<span class="string">"apport-autoreport.timer"</span>),
            String::from(<span class="string">"Process error reports when automatic reporting is enabled (timer based)"</span>),
            String::from(<span class="string">"loaded"</span>),
            String::from(<span class="string">"inactive"</span>),
            String::from(<span class="string">"dead"</span>),
            String::from(<span class="string">""</span>),
            ObjectPath::try_from(<span class="string">"/org/freedesktop/systemd1/unit/apport_2dautoreport_2etimer"</span>)
                .unwrap()
                .into(),
            <span class="number">0 </span><span class="kw">as </span>u32,
            String::from(<span class="string">""</span>),
            ObjectPath::try_from(<span class="string">"/"</span>).unwrap().into(),
        )
    }

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_is_unit_healthy() {
        <span class="comment">// Obvious active/loaded is healthy
        </span><span class="macro">assert!</span>(!is_unit_unhealthy(
            SystemdUnitActiveState::active,
            SystemdUnitLoadState::loaded
        ));
        <span class="comment">// Not active + loaded is not healthy
        </span><span class="macro">assert!</span>(is_unit_unhealthy(
            SystemdUnitActiveState::activating,
            SystemdUnitLoadState::loaded
        ));
        <span class="comment">// Not loaded + anything is just marked healthy as we're not expecting it to ever be healthy
        </span><span class="macro">assert!</span>(!is_unit_unhealthy(
            SystemdUnitActiveState::activating,
            SystemdUnitLoadState::masked
        ));
        <span class="comment">// Make error + not_found unhealthy too
        </span><span class="macro">assert!</span>(is_unit_unhealthy(
            SystemdUnitActiveState::deactivating,
            SystemdUnitLoadState::not_found
        ));
        <span class="macro">assert!</span>(is_unit_unhealthy(
            <span class="comment">// Can never really be active here with error, but check we ignore it
            </span>SystemdUnitActiveState::active,
            SystemdUnitLoadState::error,
        ));
    }

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_state_parse() {
        <span class="kw">let </span>test_unit_name = String::from(<span class="string">"apport-autoreport.timer"</span>);
        <span class="kw">let </span>expected_stats = SystemdUnitStats {
            active_units: <span class="number">0</span>,
            automount_units: <span class="number">0</span>,
            device_units: <span class="number">0</span>,
            failed_units: <span class="number">0</span>,
            inactive_units: <span class="number">0</span>,
            jobs_queued: <span class="number">0</span>,
            loaded_units: <span class="number">0</span>,
            masked_units: <span class="number">0</span>,
            mount_units: <span class="number">0</span>,
            not_found_units: <span class="number">0</span>,
            path_units: <span class="number">0</span>,
            scope_units: <span class="number">0</span>,
            service_units: <span class="number">0</span>,
            slice_units: <span class="number">0</span>,
            socket_units: <span class="number">0</span>,
            target_units: <span class="number">0</span>,
            timer_units: <span class="number">0</span>,
            total_units: <span class="number">0</span>,
            service_stats: HashMap::new(),
            unit_states: HashMap::from([(
                test_unit_name.clone(),
                UnitStates {
                    active_state: SystemdUnitActiveState::inactive,
                    load_state: SystemdUnitLoadState::loaded,
                    unhealthy: <span class="bool-val">true</span>,
                },
            )]),
        };
        <span class="kw">let </span><span class="kw-2">mut </span>stats = SystemdUnitStats::default();
        <span class="kw">let </span>systemd_unit = get_unit_file();

        <span class="comment">// Test no allow list or blocklist
        </span>parse_state(<span class="kw-2">&amp;mut </span>stats, systemd_unit.clone(), <span class="kw-2">&amp;</span><span class="macro">vec!</span>[], <span class="kw-2">&amp;</span><span class="macro">vec!</span>[]);
        <span class="macro">assert_eq!</span>(expected_stats, stats);

        <span class="comment">// Create some allow/block lists
        </span><span class="kw">let </span>allowlist = Vec::from([test_unit_name.clone()]);
        <span class="kw">let </span>blocklist = Vec::from([test_unit_name]);

        <span class="comment">// test no blocklist and only allow list - Should equal the same as no lists above
        </span><span class="kw">let </span><span class="kw-2">mut </span>allowlist_stats = SystemdUnitStats::default();
        parse_state(
            <span class="kw-2">&amp;mut </span>allowlist_stats,
            systemd_unit.clone(),
            <span class="kw-2">&amp;</span>allowlist,
            <span class="kw-2">&amp;</span><span class="macro">vec!</span>[],
        );
        <span class="macro">assert_eq!</span>(expected_stats, allowlist_stats);

        <span class="comment">// test blocklist with allow list (show it's preferred)
        </span><span class="kw">let </span><span class="kw-2">mut </span>blocklist_stats = SystemdUnitStats::default();
        <span class="kw">let </span>expected_blocklist_stats = SystemdUnitStats::default();
        parse_state(<span class="kw-2">&amp;mut </span>blocklist_stats, systemd_unit, <span class="kw-2">&amp;</span>allowlist, <span class="kw-2">&amp;</span>blocklist);
        <span class="macro">assert_eq!</span>(expected_blocklist_stats, blocklist_stats);
    }

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_unit_parse() {
        <span class="kw">let </span>expected_stats = SystemdUnitStats {
            active_units: <span class="number">0</span>,
            automount_units: <span class="number">0</span>,
            device_units: <span class="number">0</span>,
            failed_units: <span class="number">0</span>,
            inactive_units: <span class="number">1</span>,
            jobs_queued: <span class="number">0</span>,
            loaded_units: <span class="number">1</span>,
            masked_units: <span class="number">0</span>,
            mount_units: <span class="number">0</span>,
            not_found_units: <span class="number">0</span>,
            path_units: <span class="number">0</span>,
            scope_units: <span class="number">0</span>,
            service_units: <span class="number">0</span>,
            slice_units: <span class="number">0</span>,
            socket_units: <span class="number">0</span>,
            target_units: <span class="number">0</span>,
            timer_units: <span class="number">1</span>,
            total_units: <span class="number">0</span>,
            service_stats: HashMap::new(),
            unit_states: HashMap::new(),
        };
        <span class="kw">let </span><span class="kw-2">mut </span>stats = SystemdUnitStats::default();
        <span class="kw">let </span>systemd_unit = get_unit_file();
        parse_unit(<span class="kw-2">&amp;mut </span>stats, systemd_unit);
        <span class="macro">assert_eq!</span>(expected_stats, stats);
    }

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_iterators() {
        <span class="macro">assert!</span>(SystemdUnitActiveState::iter().collect::&lt;Vec&lt;<span class="kw">_</span>&gt;&gt;().len() &gt; <span class="number">0</span>);
        <span class="macro">assert!</span>(SystemdUnitLoadState::iter().collect::&lt;Vec&lt;<span class="kw">_</span>&gt;&gt;().len() &gt; <span class="number">0</span>);
    }
}
</code></pre></div></section></main></body></html>