Add anonymous usage options to lqos.conf and the example file.

src/lqos.example

@@ -5,6 +5,10 @@
 lqos_directory = '/opt/libreqos/src'
 queue_check_period_ms = 1000
 
+[usage_stats]
+send_anonymous = true
+anonymous_server = "127.0.0.1:9125"
+
 [tuning]
 # IRQ balance breaks XDP_Redirect, which we use. Recommended to leave as true.
 stop_irq_balance = true

src/rust/lqos_config/src/etc.rs

@@ -21,6 +21,9 @@ pub struct EtcLqos {
   /// If present, defines the values for various `sysctl` and `ethtool`
   /// tweaks.
   pub tuning: Option<Tunables>,
+
+  /// If present, defined anonymous usage stat sending
+  pub usage_stats: Option<UsageStats>,
 }
 
 /// Represents a set of `sysctl` and `ethtool` tweaks that may be
@@ -104,6 +107,16 @@ pub struct BridgeVlan {
   pub redirect_to: u32,
 }
 
+/// Definitions for anonymous usage submission
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct UsageStats {
+  /// Are we allowed to send stats at all?
+  pub send_anonymous: bool,
+
+  /// Where do we send them?
+  pub anonymous_server: String,
+}
+
 impl EtcLqos {
   /// Loads `/etc/lqos.conf`.
   pub fn load() -> Result<Self, EtcLqosError> {