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service.go
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service.go
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// Copyright 2020 lack
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package debug
import (
"time"
"github.com/lack-io/vine/service/debug/log"
)
type serviceLog struct {
Client *debugClient
}
// Read reads log entries from the logger
func (s *serviceLog) Read(opts ...log.ReadOption) ([]log.Record, error) {
var options log.ReadOptions
for _, o := range opts {
o(&options)
}
stream, err := s.Client.Log(options.Since, options.Count, false)
if err != nil {
return nil, err
}
defer stream.Stop()
// stream the records until nothing is left
var records []log.Record
for record := range stream.Chan() {
records = append(records, record)
}
return records, nil
}
// There is no write support
func (s *serviceLog) Write(r log.Record) error {
return nil
}
// Stream log records
func (s *serviceLog) Stream() (log.Stream, error) {
return s.Client.Log(time.Time{}, 0, true)
}
// NewLog returns a new log interface
func NewLog(opts ...log.Option) log.Log {
var options log.Options
for _, o := range opts {
o(&options)
}
name := options.Name
// set the default name
if len(name) == 0 {
name = "go.vine.debug"
}
return &serviceLog{
Client: NewClient(name),
}
}