change some bandwidth calculation

pull/276/head
ffdfgdfg 2019-11-23 00:42:46 +08:00
parent 9bb8230fc1
commit 405f41f87f
3 changed files with 31 additions and 25 deletions

View File

@ -10,7 +10,7 @@ const PoolSizeSmall = 100
const PoolSizeUdp = 1472
const PoolSizeCopy = 32 << 10
const PoolSizeBuffer = 4096
const PoolSizeWindow = PoolSizeBuffer - 16 - 32 - 32 - 8
const PoolSizeWindow = PoolSizeBuffer - 2 - 4 - 4 - 1
var BufPool = sync.Pool{
New: func() interface{} {

View File

@ -190,7 +190,7 @@ func (Self *ReceiveWindow) New(mux *Mux) {
// initial a window for receive
Self.bufQueue.New()
Self.element = common.ListElementPool.Get()
Self.maxSize = 4096
Self.maxSize = common.MAXIMUM_SEGMENT_SIZE
Self.mux = mux
Self.window.New()
}
@ -209,21 +209,25 @@ func (Self *ReceiveWindow) calcSize() {
// calculating maximum receive window size
if Self.count == 0 {
//logs.Warn("ping, bw", Self.mux.latency, Self.bw.Get())
n := uint32(2 * math.Float64frombits(atomic.LoadUint64(&Self.mux.latency)) *
Self.mux.bw.Get() / float64(Self.mux.connMap.Size()))
if n < 8192 {
n = 8192
conns := Self.mux.connMap.Size()
n := uint32(math.Float64frombits(atomic.LoadUint64(&Self.mux.latency)) *
Self.mux.bw.Get() / float64(conns))
if n < common.MAXIMUM_SEGMENT_SIZE*2 {
n = common.MAXIMUM_SEGMENT_SIZE * 2
}
bufLen := Self.bufQueue.Len()
if n < bufLen {
n = bufLen
}
if n < Self.maxSize/2 {
n = Self.maxSize / 2
}
// set the minimal size
if n > 2*Self.maxSize {
n = 2 * Self.maxSize
}
if n > common.MAXIMUM_WINDOW_SIZE {
n = common.MAXIMUM_WINDOW_SIZE
if n > (common.MAXIMUM_WINDOW_SIZE / uint32(conns)) {
n = common.MAXIMUM_WINDOW_SIZE / uint32(conns)
}
// set the maximum size
//logs.Warn("n", n)
@ -377,8 +381,8 @@ type SendWindow struct {
func (Self *SendWindow) New(mux *Mux) {
Self.setSizeCh = make(chan struct{})
Self.maxSize = 4096
atomic.AddUint64(&Self.remainingWait, uint64(4096)<<dequeueBits)
Self.maxSize = common.MAXIMUM_SEGMENT_SIZE
atomic.AddUint64(&Self.remainingWait, uint64(common.MAXIMUM_SEGMENT_SIZE)<<dequeueBits)
Self.mux = mux
Self.window.New()
}

View File

@ -115,34 +115,35 @@ func (s *Mux) writeSession() {
}
func (s *Mux) packBuf() {
buffer := common.BuffPool.Get()
//buffer := common.BuffPool.Get()
for {
if s.IsClose {
break
}
buffer.Reset()
//buffer.Reset()
pack := s.writeQueue.Pop()
if s.IsClose {
break
}
//buffer := common.BuffPool.Get()
err := pack.Pack(buffer)
err := pack.Pack(s.conn)
common.MuxPack.Put(pack)
if err != nil {
logs.Error("mux: pack err", err)
common.BuffPool.Put(buffer)
//common.BuffPool.Put(buffer)
s.Close()
break
}
//logs.Warn(buffer.String())
//s.bufQueue.Push(buffer)
l := buffer.Len()
n, err := buffer.WriteTo(s.conn)
//l := buffer.Len()
//n, err := buffer.WriteTo(s.conn)
//common.BuffPool.Put(buffer)
if err != nil || int(n) != l {
logs.Error("mux: close from write session fail ", err, n, l)
s.Close()
break
}
//if err != nil || int(n) != l {
// logs.Error("mux: close from write session fail ", err, n, l)
// s.Close()
// break
//}
}
}
@ -385,24 +386,24 @@ func (s *Mux) getId() (id int32) {
}
type bandwidth struct {
readBandwidth uint64 // store in bits, but it's float64
readStart time.Time
lastReadStart time.Time
bufLength uint16
readBandwidth uint64 // store in bits, but it's float64
bufLength uint32
}
func (Self *bandwidth) StartRead() {
if Self.readStart.IsZero() {
Self.readStart = time.Now()
}
if Self.bufLength >= 16384 {
if Self.bufLength >= 3072000 {
Self.lastReadStart, Self.readStart = Self.readStart, time.Now()
Self.calcBandWidth()
}
}
func (Self *bandwidth) SetCopySize(n uint16) {
Self.bufLength += n
Self.bufLength += uint32(n)
}
func (Self *bandwidth) calcBandWidth() {
@ -417,6 +418,7 @@ func (Self *bandwidth) Get() (bw float64) {
if bw <= 0 {
bw = 100
}
//logs.Warn(bw)
return
}