/
server.go
171 lines (154 loc) · 3.94 KB
/
server.go
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package main
import "time"
import "sync"
import "log"
import "net"
import "fmt"
import "math/rand"
import gf "github.com/bnclabs/gofast"
import _ "github.com/bnclabs/gofast/http"
var mu sync.Mutex
var nTrans = make([]*gf.Transport, 0, 100)
func cleantrans() {
tick := time.NewTicker(1 * time.Second)
for {
<-tick.C
func() {
mu.Lock()
defer mu.Unlock()
newtrans := make([]*gf.Transport, 0, 100)
for _, trans := range nTrans {
if trans.IsClosed() == false {
newtrans = append(newtrans, trans)
}
}
nTrans = newtrans
}()
}
}
func server(routines int) {
go cleantrans()
lis, err := net.Listen("tcp", options.addr)
if err != nil {
panic(fmt.Errorf("listen failed %v", err))
}
fmt.Printf("listening on %v\n", options.addr)
ver := testVersion(1)
opqstart, opqend := uint64(1000), uint64(1000+(routines*3))
batchsize := uint64(rand.Intn(routines-1) + 1)
setts := newsetts(uint64(options.buffersize), batchsize, opqstart, opqend)
conncount := 0
cmds := []int{sendpost, sendreq, sendstream}
payload := rand.Intn(options.buffersize)
msgstream := &msgStream{data: make([]byte, payload)}
for i := 0; i < payload; i++ {
msgstream.data[i] = 'a'
}
msgdone := newMsgDone([]byte("done"))
var wg sync.WaitGroup
for {
if conn, err := lis.Accept(); err == nil {
name := fmt.Sprintf("server-%v", conncount)
conncount++
trans, err := gf.NewTransport(name, conn, &ver, setts)
if err != nil {
panic("NewTransport server failed")
}
trans.FlushPeriod(50 * time.Millisecond)
//trans.SendHeartbeat(5 * time.Second)
trans.SubscribeMessage(
&msgPost{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
return nil
})
trans.SubscribeMessage(
&msgReqsp{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
var rxmsg msgReqsp
rxmsg.Decode(msg.Data)
if err := s.Response(&rxmsg, true); err != nil {
log.Fatal(err)
}
return nil
})
trans.SubscribeMessage(
&msgStreamStart{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
var wg sync.WaitGroup
wg.Add(1)
go func() {
for j := 0; j < rand.Intn(options.streams); j++ {
err := s.Stream(msgstream, true)
if err != nil {
log.Printf("error stream: %v\n", err)
break
}
}
wg.Wait()
s.Close()
}()
return func(rxstrmsg gf.BinMessage, ok bool) {
if ok && rxstrmsg.ID != msgstream.ID() {
log.Printf("unexp. message %T %v\n", rxstrmsg.ID, rxstrmsg)
} else if ok == false {
wg.Done()
}
}
})
trans.SubscribeMessage(
&msgStream{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
return nil
})
trans.SubscribeMessage(
&msgDone{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
go func() {
wg.Wait()
if err := s.Response(msgdone, true); err != nil {
log.Fatal(err)
}
}()
return nil
})
trans.SubscribeMessage(
&msgStat{},
func(s *gf.Stream, msg gf.BinMessage) gf.StreamCallback {
stat := make(map[string]uint64)
for k, v := range trans.Stat() {
stat[k] = v
}
respmsg := newMsgStat(stat)
if err := s.Response(respmsg, true); err != nil {
log.Fatal(err)
}
return nil
})
if err := trans.Handshake(); err != nil {
panic(err)
}
func() {
mu.Lock()
defer mu.Unlock()
nTrans = append(nTrans, trans)
}()
doers := make([]chan int, 0, 100)
wg.Add(routines)
for j := 0; j < routines; j++ {
doch := make(chan int, options.count/routines)
name := fmt.Sprintf("server-%v", j)
go worker(name, nil, trans, doch, &wg)
doers = append(doers, doch)
}
go func(trans *gf.Transport, doers []chan int) {
numdoers := len(doers)
for k := 0; k < options.count; k++ {
doers[k%numdoers] <- cmds[rand.Intn(len(cmds))]
}
for _, doch := range doers {
close(doch)
}
}(trans, doers)
}
}
}