/
server.go
82 lines (70 loc) · 1.85 KB
/
server.go
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// Copyright 2015 The Vanadium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package internal
import (
"sync"
"v.io/v23/context"
"v.io/v23/rpc"
"v.io/x/ref/runtime/internal/rpc/stress"
)
type impl struct {
statsMu sync.Mutex
stats stress.SumStats // GUARDED_BY(statsMu)
stop chan struct{}
}
func NewService() (stress.StressServerStub, <-chan struct{}) {
s := &impl{stop: make(chan struct{})}
return stress.StressServer(s), s.stop
}
func (s *impl) Echo(_ *context.T, _ rpc.ServerCall, payload []byte) ([]byte, error) {
return payload, nil
}
func (s *impl) Sum(_ *context.T, _ rpc.ServerCall, arg stress.SumArg) ([]byte, error) {
sum, err := doSum(&arg)
if err != nil {
return nil, err
}
s.addSumStats(false, uint64(lenSumArg(&arg)), uint64(len(sum)))
return sum, nil
}
func (s *impl) SumStream(_ *context.T, call stress.StressSumStreamServerCall) error {
rStream := call.RecvStream()
sStream := call.SendStream()
var bytesRecv, bytesSent uint64
for rStream.Advance() {
arg := rStream.Value()
sum, err := doSum(&arg)
if err != nil {
return err
}
sStream.Send(sum) //nolint:errcheck
bytesRecv += uint64(lenSumArg(&arg))
bytesSent += uint64(len(sum))
}
if err := rStream.Err(); err != nil {
return err
}
s.addSumStats(true, bytesRecv, bytesSent)
return nil
}
func (s *impl) addSumStats(stream bool, bytesRecv, bytesSent uint64) {
s.statsMu.Lock()
if stream {
s.stats.SumStreamCount++
} else {
s.stats.SumCount++
}
s.stats.BytesRecv += bytesRecv
s.stats.BytesSent += bytesSent
s.statsMu.Unlock()
}
func (s *impl) GetSumStats(*context.T, rpc.ServerCall) (stress.SumStats, error) {
s.statsMu.Lock()
defer s.statsMu.Unlock()
return s.stats, nil
}
func (s *impl) Stop(*context.T, rpc.ServerCall) error {
s.stop <- struct{}{}
return nil
}