/
uds.go
121 lines (100 loc) · 2.34 KB
/
uds.go
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package main
import (
"context"
"log"
"os"
"path/filepath"
"sync"
"time"
"github.com/google/uuid"
"github.com/johnsiilver/golib/ipc/uds"
"github.com/johnsiilver/golib/ipc/uds/highlevel/proto/rpc"
"google.golang.org/protobuf/proto"
pb "github.com/johnsiilver/golib/ipc/uds/highlevel/proto/rpc/benchmark/proto"
)
var reqPool = &sync.Pool{
New: func() interface{} {
return &pb.BenchmarkReq{}
},
}
var respPool = &sync.Pool{
New: func() interface{} {
return &pb.BenchmarkResp{}
},
}
func requestHandler(ctx context.Context, req []byte) ([]byte, error) {
in := reqPool.Get().(*pb.BenchmarkReq)
defer func() {
in.Reset()
reqPool.Put(in)
}()
if err := proto.Unmarshal(req, in); err != nil {
return nil, err
}
resp := respPool.Get().(*pb.BenchmarkResp)
defer func() {
resp.Reset()
respPool.Put(resp)
}()
resp.Data = in.Data
return proto.Marshal(resp)
}
func newUDS() (socketAddr string, serv *rpc.Server) {
socketAddr = filepath.Join(os.TempDir(), uuid.New().String())
cred, _, err := uds.Current()
if err != nil {
panic(err)
}
// Setup server.
serv, err = rpc.NewServer(socketAddr, cred.UID.Int(), cred.GID.Int(), 0770)
if err != nil {
panic(err)
}
serv.RegisterMethod("benchmark", requestHandler)
return socketAddr, serv
}
func udsTest(concurrency, nRequests, dataSize int) *Stats {
socketAddr, serv := newUDS()
go func() {
if err := serv.Start(); err != nil {
log.Fatal(err)
}
}()
time.Sleep(1 * time.Second)
defer func() {
if err := serv.Stop(context.Background()); err != nil {
panic(err)
}
}()
cred, _, err := uds.Current()
if err != nil {
panic(err)
}
client, err := rpc.New(socketAddr, cred.UID.Int(), cred.GID.Int(), []os.FileMode{0770, 0771})
if err != nil {
panic(err)
}
// Setup our caller func that will be used in our pool.
data := make([]byte, dataSize)
ctx := context.Background()
var caller call = func() benchmarks {
b := benchmarks{}
b.startTime = time.Now()
req := &pb.BenchmarkReq{Data: data}
resp := &pb.BenchmarkResp{}
if err := client.Call(ctx, "benchmark", req, resp); err != nil {
panic(err)
}
b.endTime = time.Now()
return b
}
pool := newPool(concurrency)
start := time.Now()
for i := 0; i < nRequests; i++ {
pool.in <- caller
}
close(pool.in)
pool.wg.Wait()
end := time.Now()
return newStats(concurrency, dataSize, pool.records, start, end)
}