fn get_entry()

in src/data/netstat.rs [77:111]

• 33 lines of code
• 2 McCabe index (conditional complexity)

fn get_entry(values: Vec<Netstat>, key: String, metrics: &mut DataMetrics) -> Result<String> {
    let mut end_values = Vec::new();
    let mut metric = Metric::new(key.clone());
    let mut metadata = GraphMetadata::new();
    let time_zero = values[0].time;
    let mut prev_netstat = values[0].clone();
    for value in values {
        let current_netstat = value.clone();
        let current_time = current_netstat.time;

        let curr_data = current_netstat.netstat_data.clone();
        let curr_value = curr_data
            .get(&key)
            .ok_or(PDError::VisualizerNetstatValueGetError(key.to_string()))?;
        let prev_data = prev_netstat.netstat_data.clone();
        let prev_value = prev_data
            .get(&key)
            .ok_or(PDError::VisualizerNetstatValueGetError(key.to_string()))?;

        let netstat_entry = NetstatEntry {
            time: (current_time - time_zero),
            value: *curr_value - *prev_value,
        };
        metric.insert_value(netstat_entry.value as f64);
        metadata.update_limits(GraphLimitType::UInt64(netstat_entry.value));
        end_values.push(netstat_entry);
        prev_netstat = value.clone();
    }
    let netdata = EndNetData {
        data: end_values,
        metadata,
    };
    add_metrics(key, &mut metric, metrics, NETSTAT_FILE_NAME.to_string())?;
    Ok(serde_json::to_string(&netdata)?)
}