Track request payload len

diff --git a/tracker/udp/server/server.go b/tracker/udp/server/server.go
index 2007233f4f0c067e04ff6c755ef56631eb0ea161..9df2fc67caee6909adbd472a50f15499d1568102 100644 (file)
--- a/tracker/udp/server/server.go
+++ b/tracker/udp/server/server.go
@@ -15,7 +15,9 @@ import (
        "github.com/anacrolix/log"
        trackerServer "github.com/anacrolix/torrent/tracker/server"
        "go.opentelemetry.io/otel"
+       "go.opentelemetry.io/otel/attribute"
        "go.opentelemetry.io/otel/codes"
+       "go.opentelemetry.io/otel/trace"
 
        "github.com/anacrolix/torrent/tracker/udp"
 )
@@ -47,7 +49,8 @@ func (me *Server) HandleRequest(
        source RequestSourceAddr,
        body []byte,
 ) (err error) {
-       ctx, span := tracer.Start(ctx, "Server.HandleRequest")
+       ctx, span := tracer.Start(ctx, "Server.HandleRequest",
+               trace.WithAttributes(attribute.Int("payload.len", len(body))))
        defer span.End()
        defer func() {
                if err != nil {