diff options
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.go | 36 |
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) +} |
