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bserver_measured.go
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/
bserver_measured.go
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// Copyright 2016 Keybase Inc. All rights reserved.
// Use of this source code is governed by a BSD
// license that can be found in the LICENSE file.
package libkbfs
import (
"github.com/keybase/client/go/kbfs/kbfsblock"
"github.com/keybase/client/go/kbfs/kbfscrypto"
"github.com/keybase/client/go/kbfs/tlf"
"github.com/keybase/client/go/protocol/keybase1"
metrics "github.com/rcrowley/go-metrics"
"golang.org/x/net/context"
)
// BlockServerMeasured delegates to another BlockServer instance but
// also keeps track of stats.
type BlockServerMeasured struct {
delegate BlockServer
getTimer metrics.Timer
getEncodedSizeTimer metrics.Timer
putTimer metrics.Timer
putAgainTimer metrics.Timer
addBlockReferenceTimer metrics.Timer
removeBlockReferencesTimer metrics.Timer
archiveBlockReferencesTimer metrics.Timer
getLiveBlockReferencesTimer metrics.Timer
isUnflushedTimer metrics.Timer
}
var _ BlockServer = BlockServerMeasured{}
// NewBlockServerMeasured creates and returns a new
// BlockServerMeasured instance with the given delegate and registry.
func NewBlockServerMeasured(delegate BlockServer, r metrics.Registry) BlockServerMeasured {
getTimer := metrics.GetOrRegisterTimer("BlockServer.Get", r)
getEncodedSizeTimer := metrics.GetOrRegisterTimer(
"BlockServer.GetEncodedSize", r)
putTimer := metrics.GetOrRegisterTimer("BlockServer.Put", r)
addBlockReferenceTimer := metrics.GetOrRegisterTimer("BlockServer.AddBlockReference", r)
removeBlockReferencesTimer := metrics.GetOrRegisterTimer("BlockServer.RemoveBlockReferences", r)
archiveBlockReferencesTimer := metrics.GetOrRegisterTimer("BlockServer.ArchiveBlockReferences", r)
getLiveBlockReferencesTimer := metrics.GetOrRegisterTimer("BlockServer.GetLiveBlockReferences", r)
isUnflushedTimer := metrics.GetOrRegisterTimer("BlockServer.IsUnflushed", r)
return BlockServerMeasured{
delegate: delegate,
getTimer: getTimer,
getEncodedSizeTimer: getEncodedSizeTimer,
putTimer: putTimer,
addBlockReferenceTimer: addBlockReferenceTimer,
removeBlockReferencesTimer: removeBlockReferencesTimer,
archiveBlockReferencesTimer: archiveBlockReferencesTimer,
getLiveBlockReferencesTimer: getLiveBlockReferencesTimer,
isUnflushedTimer: isUnflushedTimer,
}
}
// Get implements the BlockServer interface for BlockServerMeasured.
func (b BlockServerMeasured) Get(
ctx context.Context, tlfID tlf.ID, id kbfsblock.ID,
context kbfsblock.Context, cacheType DiskBlockCacheType) (
buf []byte, serverHalf kbfscrypto.BlockCryptKeyServerHalf, err error) {
b.getTimer.Time(func() {
buf, serverHalf, err = b.delegate.Get(
ctx, tlfID, id, context, cacheType)
})
return buf, serverHalf, err
}
// GetEncodedSize implements the BlockServer interface for BlockServerMeasured.
func (b BlockServerMeasured) GetEncodedSize(
ctx context.Context, tlfID tlf.ID, id kbfsblock.ID,
context kbfsblock.Context) (
size uint32, status keybase1.BlockStatus, err error) {
b.getEncodedSizeTimer.Time(func() {
size, status, err = b.delegate.GetEncodedSize(ctx, tlfID, id, context)
})
return size, status, err
}
// Put implements the BlockServer interface for BlockServerMeasured.
func (b BlockServerMeasured) Put(
ctx context.Context, tlfID tlf.ID, id kbfsblock.ID,
context kbfsblock.Context, buf []byte,
serverHalf kbfscrypto.BlockCryptKeyServerHalf,
cacheType DiskBlockCacheType) (err error) {
b.putTimer.Time(func() {
err = b.delegate.Put(
ctx, tlfID, id, context, buf, serverHalf, cacheType)
})
return err
}
// PutAgain implements the BlockServer interface for BlockServerMeasured.
func (b BlockServerMeasured) PutAgain(
ctx context.Context, tlfID tlf.ID, id kbfsblock.ID,
context kbfsblock.Context, buf []byte,
serverHalf kbfscrypto.BlockCryptKeyServerHalf,
cacheType DiskBlockCacheType) (err error) {
b.putAgainTimer.Time(func() {
err = b.delegate.PutAgain(
ctx, tlfID, id, context, buf, serverHalf, cacheType)
})
return err
}
// AddBlockReference implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) AddBlockReference(ctx context.Context, tlfID tlf.ID,
id kbfsblock.ID, context kbfsblock.Context) (err error) {
b.addBlockReferenceTimer.Time(func() {
err = b.delegate.AddBlockReference(ctx, tlfID, id, context)
})
return err
}
// RemoveBlockReferences implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) RemoveBlockReferences(ctx context.Context,
tlfID tlf.ID, contexts kbfsblock.ContextMap) (
liveCounts map[kbfsblock.ID]int, err error) {
b.removeBlockReferencesTimer.Time(func() {
liveCounts, err = b.delegate.RemoveBlockReferences(
ctx, tlfID, contexts)
})
return liveCounts, err
}
// ArchiveBlockReferences implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) ArchiveBlockReferences(ctx context.Context,
tlfID tlf.ID, contexts kbfsblock.ContextMap) (err error) {
b.archiveBlockReferencesTimer.Time(func() {
err = b.delegate.ArchiveBlockReferences(ctx, tlfID, contexts)
})
return err
}
// GetLiveBlockReferences implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) GetLiveBlockReferences(
ctx context.Context, tlfID tlf.ID, contexts kbfsblock.ContextMap) (
liveCounts map[kbfsblock.ID]int, err error) {
b.getLiveBlockReferencesTimer.Time(func() {
liveCounts, err = b.delegate.GetLiveBlockReferences(
ctx, tlfID, contexts)
})
return liveCounts, err
}
// IsUnflushed implements the BlockServer interface for BlockServerMeasured.
func (b BlockServerMeasured) IsUnflushed(ctx context.Context, tlfID tlf.ID,
id kbfsblock.ID) (isUnflushed bool, err error) {
b.isUnflushedTimer.Time(func() {
isUnflushed, err = b.delegate.IsUnflushed(ctx, tlfID, id)
})
return isUnflushed, err
}
// Shutdown implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) Shutdown(ctx context.Context) {
b.delegate.Shutdown(ctx)
}
// RefreshAuthToken implements the BlockServer interface for
// BlockServerMeasured.
func (b BlockServerMeasured) RefreshAuthToken(ctx context.Context) {
b.delegate.RefreshAuthToken(ctx)
}
// GetUserQuotaInfo implements the BlockServer interface for BlockServerMeasured
func (b BlockServerMeasured) GetUserQuotaInfo(ctx context.Context) (info *kbfsblock.QuotaInfo, err error) {
return b.delegate.GetUserQuotaInfo(ctx)
}
// GetTeamQuotaInfo implements the BlockServer interface for BlockServerMeasured
func (b BlockServerMeasured) GetTeamQuotaInfo(
ctx context.Context, tid keybase1.TeamID) (
info *kbfsblock.QuotaInfo, err error) {
return b.delegate.GetTeamQuotaInfo(ctx, tid)
}