diff options
| -rw-r--r-- | constants.go | 14 | ||||
| -rw-r--r-- | pools.go | 28 |
2 files changed, 18 insertions, 24 deletions
diff --git a/constants.go b/constants.go index 167036f..e784a49 100644 --- a/constants.go +++ b/constants.go @@ -26,18 +26,14 @@ const ( PaddingMultiple = 16 ) -/* Implementation specific constants */ - const ( - QueueOutboundSize = 1024 - QueueInboundSize = 1024 - QueueHandshakeSize = 1024 - MaxSegmentSize = (1 << 16) - 1 // largest possible UDP datagram - MinMessageSize = MessageKeepaliveSize // minimum size of transport message (keepalive) - MaxMessageSize = MaxSegmentSize // maximum size of transport message - MaxContentSize = MaxSegmentSize - MessageTransportSize // maximum size of transport message content + MinMessageSize = MessageKeepaliveSize // minimum size of transport message (keepalive) + MaxMessageSize = MaxSegmentSize // maximum size of transport message + MaxContentSize = MaxSegmentSize - MessageTransportSize // maximum size of transport message content ) +/* Implementation constants */ + const ( UnderLoadQueueSize = QueueHandshakeSize / 8 UnderLoadAfterTime = time.Second // how long does the device remain under load after detected @@ -7,10 +7,8 @@ package main import "sync" -var preallocatedBuffers = 0 - func (device *Device) PopulatePools() { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { device.pool.messageBufferPool = &sync.Pool{ New: func() interface{} { return new([MaxMessageSize]byte) @@ -27,23 +25,23 @@ func (device *Device) PopulatePools() { }, } } else { - device.pool.messageBufferReuseChan = make(chan *[MaxMessageSize]byte, preallocatedBuffers) - for i := 0; i < preallocatedBuffers; i += 1 { + device.pool.messageBufferReuseChan = make(chan *[MaxMessageSize]byte, PreallocatedBuffersPerPool) + for i := 0; i < PreallocatedBuffersPerPool; i += 1 { device.pool.messageBufferReuseChan <- new([MaxMessageSize]byte) } - device.pool.inboundElementReuseChan = make(chan *QueueInboundElement, preallocatedBuffers) - for i := 0; i < preallocatedBuffers; i += 1 { + device.pool.inboundElementReuseChan = make(chan *QueueInboundElement, PreallocatedBuffersPerPool) + for i := 0; i < PreallocatedBuffersPerPool; i += 1 { device.pool.inboundElementReuseChan <- new(QueueInboundElement) } - device.pool.outboundElementReuseChan = make(chan *QueueOutboundElement, preallocatedBuffers) - for i := 0; i < preallocatedBuffers; i += 1 { + device.pool.outboundElementReuseChan = make(chan *QueueOutboundElement, PreallocatedBuffersPerPool) + for i := 0; i < PreallocatedBuffersPerPool; i += 1 { device.pool.outboundElementReuseChan <- new(QueueOutboundElement) } } } func (device *Device) GetMessageBuffer() *[MaxMessageSize]byte { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { return device.pool.messageBufferPool.Get().(*[MaxMessageSize]byte) } else { return <-device.pool.messageBufferReuseChan @@ -51,7 +49,7 @@ func (device *Device) GetMessageBuffer() *[MaxMessageSize]byte { } func (device *Device) PutMessageBuffer(msg *[MaxMessageSize]byte) { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { device.pool.messageBufferPool.Put(msg) } else { device.pool.messageBufferReuseChan <- msg @@ -59,7 +57,7 @@ func (device *Device) PutMessageBuffer(msg *[MaxMessageSize]byte) { } func (device *Device) GetInboundElement() *QueueInboundElement { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { return device.pool.inboundElementPool.Get().(*QueueInboundElement) } else { return <-device.pool.inboundElementReuseChan @@ -67,7 +65,7 @@ func (device *Device) GetInboundElement() *QueueInboundElement { } func (device *Device) PutInboundElement(msg *QueueInboundElement) { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { device.pool.inboundElementPool.Put(msg) } else { device.pool.inboundElementReuseChan <- msg @@ -75,7 +73,7 @@ func (device *Device) PutInboundElement(msg *QueueInboundElement) { } func (device *Device) GetOutboundElement() *QueueOutboundElement { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { return device.pool.outboundElementPool.Get().(*QueueOutboundElement) } else { return <-device.pool.outboundElementReuseChan @@ -83,7 +81,7 @@ func (device *Device) GetOutboundElement() *QueueOutboundElement { } func (device *Device) PutOutboundElement(msg *QueueOutboundElement) { - if preallocatedBuffers == 0 { + if PreallocatedBuffersPerPool == 0 { device.pool.outboundElementPool.Put(msg) } else { device.pool.outboundElementReuseChan <- msg |