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path: root/att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go
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Diffstat (limited to 'att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go')
-rw-r--r--att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go36
1 files changed, 36 insertions, 0 deletions
diff --git a/att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go b/att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go
new file mode 100644
index 0000000..9c7ce55
--- /dev/null
+++ b/att script/4(v6 DDoS)/code/辅助权威服务器/plugin/prometheus/context.go
@@ -0,0 +1,36 @@
+package prometheus
+
+import (
+ "context"
+ "ohmydns2/core/dnsserver"
+)
+
+// WithServer returns the current server handling the request. It returns the
+// server listening address: <scheme>://[<bind>]:<port> Normally this is
+// something like "dns://:53", but if the bind plugin is used, i.e. "bind
+// 127.0.0.53", it will be "dns://127.0.0.53:53", etc. If not address is found
+// the empty string is returned.
+//
+// Basic usage with a metric:
+//
+// <metric>.WithLabelValues(metrics.WithServer(ctx), labels..).Add(1)
+func WithServer(ctx context.Context) string {
+ srv := ctx.Value(dnsserver.Key{})
+ if srv == nil {
+ return ""
+ }
+ return srv.(*dnsserver.Server).Addr
+}
+
+// WithView returns the name of the view currently handling the request, if a view is defined.
+//
+// Basic usage with a metric:
+//
+// <metric>.WithLabelValues(metrics.WithView(ctx), labels..).Add(1)
+func WithView(ctx context.Context) string {
+ v := ctx.Value(dnsserver.ViewKey{})
+ if v == nil {
+ return ""
+ }
+ return v.(string)
+}