mirror of
https://github.com/dolthub/dolt.git
synced 2026-04-23 13:48:42 -05:00
Aaron Son
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2019 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package events
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import (
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"sync"
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"time"
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"github.com/google/uuid"
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"google.golang.org/protobuf/types/known/timestamppb"
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eventsapi "github.com/dolthub/dolt/go/gen/proto/dolt/services/eventsapi/v1alpha1"
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)
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// EventNowFunc function is used to get the current time and can be overridden for testing.
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var EventNowFunc = time.Now
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func nowTimestamp() *timestamppb.Timestamp {
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now := EventNowFunc()
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ts := timestamppb.New(now)
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err := ts.CheckValid()
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if err != nil {
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panic(err)
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}
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return ts
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}
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// Event is an event to be added to a collector and logged
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type Event struct {
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ce *eventsapi.ClientEvent
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m *sync.Mutex
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attributes map[eventsapi.AttributeID]string
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}
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// NewEvent creates an Event of a given type. The event creation time is recorded as the start time for the event.
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// When the event is passed to a collector's CloseEventAndAdd method the end time of the event is recorded
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func NewEvent(ceType eventsapi.ClientEventType) *Event {
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return &Event{
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ce: &eventsapi.ClientEvent{
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Id: uuid.New().String(),
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StartTime: nowTimestamp(),
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Type: ceType,
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},
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m: &sync.Mutex{},
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attributes: make(map[eventsapi.AttributeID]string),
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}
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}
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// AddMetric adds a metric to the event. This method is thread safe.
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func (evt *Event) AddMetric(em EventMetric) {
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evt.m.Lock()
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defer evt.m.Unlock()
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evt.ce.Metrics = append(evt.ce.Metrics, em.AsClientEventMetric())
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}
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// SetAttribute adds an attribute to the event. This method is thread safe
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func (evt *Event) SetAttribute(attID eventsapi.AttributeID, attVal string) {
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evt.m.Lock()
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defer evt.m.Unlock()
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evt.attributes[attID] = attVal
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}
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func (evt *Event) close() *eventsapi.ClientEvent {
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if evt.ce == nil {
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panic("multiple close calls for the same event.")
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}
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evt.m.Lock()
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defer evt.m.Unlock()
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evt.ce.EndTime = nowTimestamp()
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for k, v := range evt.attributes {
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evt.ce.Attributes = append(evt.ce.Attributes, &eventsapi.ClientEventAttribute{Id: k, Value: v})
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}
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ce := evt.ce
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evt.ce = nil
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return ce
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}
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