forked from vitessio/vitess
/
proto3.go
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/
proto3.go
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// Copyright 2015, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package logutil
import (
"time"
logutilpb "github.com/youtube/vitess/go/vt/proto/logutil"
)
// This file contains a few functions to help with proto3.
// ProtoToTime converts a logutilpb.Time to a time.Time.
// proto3 will eventually support timestamps, at which point we'll retire
// this.
//
// A nil pointer is like the empty timestamp.
func ProtoToTime(ts *logutilpb.Time) time.Time {
if ts == nil {
// treat nil like the empty Timestamp
return time.Unix(0, 0).UTC()
}
return time.Unix(ts.Seconds, int64(ts.Nanoseconds)).UTC()
}
// TimeToProto converts the time.Time to a logutilpb.Time.
func TimeToProto(t time.Time) *logutilpb.Time {
seconds := t.Unix()
nanos := int64(t.Sub(time.Unix(seconds, 0)))
return &logutilpb.Time{
Seconds: seconds,
Nanoseconds: int32(nanos),
}
}
// EventStream is an interface used by RPC clients when the streaming
// RPC returns a stream of log events.
type EventStream interface {
// Recv returns the next event in the logs.
// If there are no more, it will return io.EOF.
Recv() (*logutilpb.Event, error)
}