From d052f42507b44299b40fe254f5d13cc1b5638d83 Mon Sep 17 00:00:00 2001
From: _ <>
Date: Sun, 20 Dec 2020 17:41:00 +0000
Subject: [PATCH] :construction: wip: add placeholder for gauges

---
 crates/ptth_server/src/file_server/metrics.rs | 5 +++++
 crates/ptth_server/src/lib.rs                 | 9 ++++++++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/crates/ptth_server/src/file_server/metrics.rs b/crates/ptth_server/src/file_server/metrics.rs
index e760843..9db8d51 100644
--- a/crates/ptth_server/src/file_server/metrics.rs
+++ b/crates/ptth_server/src/file_server/metrics.rs
@@ -31,6 +31,11 @@ pub struct PerInstance {
 	pub startup_utc: DateTime <Utc>,
 }
 
+#[derive (Debug, serde::Serialize)]
+pub struct Gauges {
+	pub rss_mib: u64,
+}
+
 fn get_machine_id () -> Option <String> {
 	use std::{
 		fs::File,
diff --git a/crates/ptth_server/src/lib.rs b/crates/ptth_server/src/lib.rs
index a5a8173..0bf214e 100644
--- a/crates/ptth_server/src/lib.rs
+++ b/crates/ptth_server/src/lib.rs
@@ -18,7 +18,10 @@ use handlebars::Handlebars;
 use reqwest::Client;
 use serde::Deserialize;
 use tokio::{
-	sync::oneshot,
+	sync::{
+		oneshot,
+		RwLock,
+	},
 	time::delay_for,
 };
 
@@ -52,6 +55,7 @@ struct ServerState {
 	config: Config,
 	handlebars: Handlebars <'static>,
 	instance_metrics: file_server::metrics::PerInstance,
+	gauges: RwLock <file_server::metrics::Gauges>,
 	client: Client,
 	hidden_path: Option <PathBuf>,
 }
@@ -210,6 +214,9 @@ pub async fn run_server (
 		},
 		handlebars,
 		instance_metrics,
+		gauges: RwLock::new (file_server::metrics::Gauges {
+			rss_mib: 7,
+		}),
 		client,
 		hidden_path,
 	});