| 48 | } |
| 49 | |
| 50 | func (p *Prometheus) TouchBrook() { |
| 51 | tags := []string{} |
| 52 | for k, _ := range p.Tags { |
| 53 | tags = append(tags, k) |
| 54 | } |
| 55 | |
| 56 | dstc := pm.NewCounterVec( |
| 57 | pm.CounterOpts{ |
| 58 | Name: "dst_counter", |
| 59 | Help: "Number of dst in total", |
| 60 | }, |
| 61 | append([]string{"network", "from", "dst"}, tags...), |
| 62 | ) |
| 63 | pm.MustRegister(dstc) |
| 64 | f := brook.ServerGate |
| 65 | brook.ServerGate = func(ex brook.Exchanger) (brook.Exchanger, error) { |
| 66 | from := ex.Src() |
| 67 | h, _, err := net.SplitHostPort(from) |
| 68 | if err == nil { |
| 69 | from = h |
| 70 | } |
| 71 | lb := pm.Labels{"network": ex.Network(), "from": from, "dst": ex.Dst()} |
| 72 | for k, v := range p.Tags { |
| 73 | lb[k] = v |
| 74 | } |
| 75 | dstc.With(lb).Inc() |
| 76 | return f(ex) |
| 77 | } |
| 78 | f1 := brook.ClientGate |
| 79 | brook.ClientGate = func(ex brook.Exchanger) (brook.Exchanger, error) { |
| 80 | from := ex.Src() |
| 81 | h, _, err := net.SplitHostPort(from) |
| 82 | if err == nil { |
| 83 | from = h |
| 84 | } |
| 85 | lb := pm.Labels{"network": ex.Network(), "from": from, "dst": ex.Dst()} |
| 86 | for k, v := range p.Tags { |
| 87 | lb[k] = v |
| 88 | } |
| 89 | dstc.With(lb).Inc() |
| 90 | return f1(ex) |
| 91 | } |
| 92 | } |