add videoplayback rx bytes metrics

patches/0012-add-videoplayback-rx-bytes-metrics.patch

@@ -0,0 +1,50 @@
+From 01e545dc92027614ba3a9c514fa4f2a3c1c0fa9d Mon Sep 17 00:00:00 2001
+From: Fijxu <fijxu@nadeko.net>
+Date: Sat, 5 Apr 2025 03:42:58 -0300
+Subject: [PATCH 12/12] add videoplayback rx bytes metrics
+
+---
+ src/lib/helpers/metrics.ts       | 5 +++++
+ src/routes/videoPlaybackProxy.ts | 3 +++
+ 2 files changed, 8 insertions(+)
+
+diff --git a/src/lib/helpers/metrics.ts b/src/lib/helpers/metrics.ts
+index 5dee540..27f84c3 100644
+--- a/src/lib/helpers/metrics.ts
++++ b/src/lib/helpers/metrics.ts
+@@ -63,6 +63,11 @@ export class Metrics {
+         'Times a request to innertube has been retried when it gets "This helps protect our community"',
+     );
+ 
++    public videoplaybackRxBytes = this.createCounter(
++        "videoplayback_rx_bytes_count",
++        'How many bytes have been received from google servers',
++    );
++
+     private checkStatus(videoData: IRawResponse) {
+         const status = videoData.playabilityStatus?.status;
+ 
+diff --git a/src/routes/videoPlaybackProxy.ts b/src/routes/videoPlaybackProxy.ts
+index b6cce87..74d5324 100644
+--- a/src/routes/videoPlaybackProxy.ts
++++ b/src/routes/videoPlaybackProxy.ts
+@@ -35,6 +35,7 @@ videoPlaybackProxy.get("/", async (c) => {
+     const urlReq = new URL(c.req.url);
+     const config = c.get("config");
+     const queryParams = new URLSearchParams(urlReq.search);
++    const metrics = c.get("metrics");
+ 
+     if (c.req.query("enc") === "true") {
+         const { data: encryptedQuery } = c.req.query();
+@@ -180,6 +181,8 @@ videoPlaybackProxy.get("/", async (c) => {
+         }
+     }
+ 
++    metrics?.videoplaybackRxBytes.inc(Number(googlevideoResponse.headers.get("content-length")))
++
+     return new Response(googlevideoResponse.body, {
+         status: responseStatus,
+         statusText: googlevideoResponse.statusText,
+-- 
+2.49.0
+