meter/wrapper: add inflight request/message count #47

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vtolstov merged 1 commits from issue-46 into master 2021-05-10 17:59:40 +03:00
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@ -14,15 +14,22 @@ var (
ClientRequestDurationSeconds = "client_request_duration_seconds"
ClientRequestLatencyMicroseconds = "client_request_latency_microseconds"
ClientRequestTotal = "client_request_total"
ClientRequestInflight = "client_request_inflight"
ServerRequestDurationSeconds = "server_request_duration_seconds"
ServerRequestLatencyMicroseconds = "server_request_latency_microseconds"
ServerRequestTotal = "server_request_total"
ServerRequestInflight = "server_request_inflight"
PublishMessageDurationSeconds = "publish_message_duration_seconds"
PublishMessageLatencyMicroseconds = "publish_message_latency_microseconds"
PublishMessageTotal = "publish_message_total"
PublishMessageInflight = "publish_message_inflight"
SubscribeMessageDurationSeconds = "subscribe_message_duration_seconds"
SubscribeMessageLatencyMicroseconds = "subscribe_message_latency_microseconds"
SubscribeMessageTotal = "subscribe_message_total"
SubscribeMessageInflight = "subscribe_message_inflight"
labelSuccess = "success"
labelFailure = "failure"
@ -116,13 +123,16 @@ func (w *wrapper) CallFunc(ctx context.Context, addr string, req client.Request,
return w.callFunc(ctx, addr, req, rsp, opts)
}
}
ts := time.Now()
err := w.callFunc(ctx, addr, req, rsp, opts)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Inc()
ts := time.Now()
err := w.callFunc(ctx, addr, req, rsp, opts)
te := time.Since(ts)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Dec()
w.opts.Meter.Summary(ClientRequestLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(ClientRequestDurationSeconds, labels...).Update(te.Seconds())
@ -144,12 +154,14 @@ func (w *wrapper) Call(ctx context.Context, req client.Request, rsp interface{},
}
}
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Inc()
ts := time.Now()
err := w.Client.Call(ctx, req, rsp, opts...)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Dec()
w.opts.Meter.Summary(ClientRequestLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(ClientRequestDurationSeconds, labels...).Update(te.Seconds())
@ -172,12 +184,14 @@ func (w *wrapper) Stream(ctx context.Context, req client.Request, opts ...client
}
}
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Inc()
ts := time.Now()
stream, err := w.Client.Stream(ctx, req, opts...)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ClientRequestInflight, labels...).Dec()
w.opts.Meter.Summary(ClientRequestLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(ClientRequestDurationSeconds, labels...).Update(te.Seconds())
@ -195,12 +209,14 @@ func (w *wrapper) Stream(ctx context.Context, req client.Request, opts ...client
func (w *wrapper) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
endpoint := p.Topic()
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(PublishMessageInflight, labels...).Inc()
ts := time.Now()
err := w.Client.Publish(ctx, p, opts...)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(PublishMessageInflight, labels...).Dec()
w.opts.Meter.Summary(PublishMessageLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(PublishMessageDurationSeconds, labels...).Update(te.Seconds())
@ -231,12 +247,14 @@ func (w *wrapper) HandlerFunc(fn server.HandlerFunc) server.HandlerFunc {
}
}
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ServerRequestInflight, labels...).Inc()
ts := time.Now()
err := fn(ctx, req, rsp)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(ServerRequestInflight, labels...).Dec()
w.opts.Meter.Summary(ServerRequestLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(ServerRequestDurationSeconds, labels...).Update(te.Seconds())
@ -263,12 +281,14 @@ func (w *wrapper) SubscriberFunc(fn server.SubscriberFunc) server.SubscriberFunc
return func(ctx context.Context, msg server.Message) error {
endpoint := msg.Topic()
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(SubscribeMessageInflight, labels...).Inc()
ts := time.Now()
err := fn(ctx, msg)
te := time.Since(ts)
labels := make([]string, 0, 4)
labels = append(labels, labelEndpoint, endpoint)
w.opts.Meter.Counter(SubscribeMessageInflight, labels...).Dec()
w.opts.Meter.Summary(SubscribeMessageLatencyMicroseconds, labels...).Update(te.Seconds())
w.opts.Meter.Histogram(SubscribeMessageDurationSeconds, labels...).Update(te.Seconds())