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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2017-2018 WireGuard LLC. All Rights Reserved.
*/
package main
import "sync"
var preallocatedBuffers = 0
func (device *Device) PopulatePools() {
if preallocatedBuffers == 0 {
device.pool.messageBufferPool = &sync.Pool{
New: func() interface{} {
return new([MaxMessageSize]byte)
},
}
device.pool.inboundElementPool = &sync.Pool{
New: func() interface{} {
return new(QueueInboundElement)
},
}
device.pool.outboundElementPool = &sync.Pool{
New: func() interface{} {
return new(QueueOutboundElement)
},
}
} else {
device.pool.messageBufferReuseChan = make(chan *[MaxMessageSize]byte, preallocatedBuffers)
for i := 0; i < preallocatedBuffers; 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 <- new(QueueInboundElement)
}
device.pool.outboundElementReuseChan = make(chan *QueueOutboundElement, preallocatedBuffers)
for i := 0; i < preallocatedBuffers; i += 1 {
device.pool.outboundElementReuseChan <- new(QueueOutboundElement)
}
}
}
func (device *Device) GetMessageBuffer() *[MaxMessageSize]byte {
if preallocatedBuffers == 0 {
return device.pool.messageBufferPool.Get().(*[MaxMessageSize]byte)
} else {
return <-device.pool.messageBufferReuseChan
}
}
func (device *Device) PutMessageBuffer(msg *[MaxMessageSize]byte) {
if preallocatedBuffers == 0 {
device.pool.messageBufferPool.Put(msg)
} else {
device.pool.messageBufferReuseChan <- msg
}
}
func (device *Device) GetInboundElement() *QueueInboundElement {
if preallocatedBuffers == 0 {
return device.pool.inboundElementPool.Get().(*QueueInboundElement)
} else {
return <-device.pool.inboundElementReuseChan
}
}
func (device *Device) PutInboundElement(msg *QueueInboundElement) {
if preallocatedBuffers == 0 {
device.pool.inboundElementPool.Put(msg)
} else {
device.pool.inboundElementReuseChan <- msg
}
}
func (device *Device) GetOutboundElement() *QueueOutboundElement {
if preallocatedBuffers == 0 {
return device.pool.outboundElementPool.Get().(*QueueOutboundElement)
} else {
return <-device.pool.outboundElementReuseChan
}
}
func (device *Device) PutOutboundElement(msg *QueueOutboundElement) {
if preallocatedBuffers == 0 {
device.pool.outboundElementPool.Put(msg)
} else {
device.pool.outboundElementReuseChan <- msg
}
}
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